The Journal of American Science
(J Am Sci)
ISSN 1545-1003 (print); ISSN 2375-7264 (online),
doi prefix:
10.7537, Monthly
Volume 12, Issue 7, Cumulated
No. 101, July 25, 2016
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CONTENTS
No.
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Titles / Authors
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Full
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No.
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1
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The Effect of Different Preparation Designs
& Cement Type on the Marginal Adaptation of All-Ceramic
Cantilever Anterior Fixed Partial Dentures
Yasser Sobhy, Tarek Salah and Maged Zohdy
Department of prosthodontics, Faculty of Dentistry, Ain Shams
University, Cairo, Egypt
Yassoora86@hotmail.com
Abstract: Objective: This in vitro
study is designed to evaluate the effect of Different
preparation designs a)
Full coverage retainer,
b)
Conventional Partial coverage retainer and c)
Partial coverage retainer with labial extension: cemented using
two Cements Resin Cement and Glass Ionomer Cement on the
marginal adaptation of all ceramic cantilever anterior fixed
partial dentures; the type of the ceramic material used was
Partially stabilized Yttrium-tetragonal zirconia polycrystals
(Y-TZP). supplied by VITA Zahnfabrik H. Rauter
Gmbh and Co.KG./Germany. The
bridges
fabricated using
Cerec
in
lab CAD/CAM System which include
(Cerec -3 acquisition unit and inlab MC XL milling unit)
introduced by Sirona, bensheim, Germany.
[Yasser Sobhy, Tarek Salah and Maged Zohdy. The Effect of
Different Preparation Designs & Cement Type on The Marginal
Adaptation of All-Ceramic Cantilever Anterior Fixed Partial
Dentures.
J Am Sci
2016;12(7):1-5]. ISSN
1545-1003 (print); ISSN 2375-7264 (online).
http://www.jofamericanscience.org.
1.
doi:10.7537/marsjas120716.01.
Keywords:
Effect; Preparation; Design; Cement; Marginal Adaptation;
Partial Denture |
Full Text |
1
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2
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Vital Role of Water Flow and Moisture Distributionin Soils and
the Necessity of a New Out-Look and Simulation Modeling of Soil-
Water Relations
Mostafa H. Hilal1
and Nabil M. Anwar2
1National
Research Centre, Cairo, Egypt;
2National
water Research Centre, Egypt
mostafa@gizatec.com,
nabilmanwar@hotmail.com
Abstract:
Irrigation is the process of adding water to a soil to
compensate for water losses by deep percolation, drainage,
seepage, evaporation, transpiration and plant uptake. Moreover,
downward movement of water through a soil profile, transports
salts and nutrients deeper in the soil profile, while moisture
and nutrients are retained in the micropores for the benefit of
plants. Water flow and moisture movement in soils occur under 3
successive steps which are reflected on movement and residence
of water, nutrients and salts as follows: 1) Intake of
irrigation water by dry soil, 2) Soil Water flow from saturated
layer to drier layer below field capacity, and 3) Water flow
above saturation (under positive head). Water flow and moisture
distribution in soil pores are governed by several important
factors: 1) Irrigation frequency and scheduling. 2) Soil
stratification. 3) Magnetization of irrigation water. 4) Control
of soil salinity and alkalinity by treating soils with "Nile
Fertile" which is a water absorber and an acid producer.
Modeling water flow in unsaturated soils is very important for
understanding many processes that occur in the plant-soil-water
system. Many mathematical models simulate water flow in
unsaturated soils using Richards' Equation, while other models
use analytical or semi-analytical solutions based on such
equation. Richards' Equation considers the soil as a system of a
large number of small tubes that vary in diameter from very fine
capillary micropores to larger gravitational macropores. It
assumes that a soil segment sucks in water by the same suction
head used to suck out water from it. It also assumes that water
follows the same path in the soil during wetting but in the
opposite direction as compared to drying. Richards’ equation is
highly non-linear and requires the numerical solution to use
very small spatial and temporal increments. However, the soil
behavior is ‘hysteretic’ with respect to many phenomena such as
sorption and desorption of heavy metals, magnetization and
demagnetization of adsorbed water, and wetting and drying. The
objective of this work was to provide a new understanding for
water flow equations in the soil, where water flow is
direction-dependent. Infiltration rate at the soil surface was
obtained using relations of Eagleson and Phillip. Thereafter,
Green-Ampt model was rearranged to obtain suction head at the
wetting front using the infiltration rate as defined by
Eagleson. Suction head at the wetting front was used to develop
a new curve for sorption suction head at all water contents. The
obtained curve is used instead of the pF curve in solving
Richards’ Equation during sorption. This is because; water and
moisture flow in the soil is directional. Besides, downward flow
differs from upward flow. Rate of downward flow is estimated
using the new sorption suction head curve, with the condition of
no flow leaving the soil segment until the micropores are filled
with water (reach field capacity). On the other hand, upward
flow is solved using the pF curve as in Richards’ Equation
solution. Simulation results of this work during ponded
infiltration showed more infiltration water entering into the
profile that penetrated deeper as compared to Richards’ Equation
solution. Redistribution following the end of infiltration
showed faster gravitational flow in the upper part of the
profile above field capacity as compared to the solution of
Richards’ Equation, and the drained water was absorbed in the
next segment of the profile. This work will make numerical
solution of water flow in unsaturated soil layers not need small
spatial and temporal increments for wetting and drying
processes.
[Mostafa H. Hilal and Nabil M. Anwar:
Vital Role of Water Flow and Moisture Distribution in Soils and
the Necessity of a New Out-Look and Simulation Modeling of Soil-
Water Relations.
J Am Sci
2016;12(7):6-18]. ISSN
1545-1003 (print); ISSN 2375-7264 (online).
http://www.jofamericanscience.org.
2.
doi:10.7537/marsjas120716.02.
Key words:
Soil stratification, water magnetization, frequency of
irrigation, sorption-desorption suction head, infiltration rate,
Nile Fertile. |
Full Text |
2
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3
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The shear bond strength of low
fusing porcelain to zirconium oxide substructure compared to
metal substructure. A literature review.
Esraa A. Attar, BDS, MS, MPH
Department of Oral Maxillofacial
Prosthodontics, Faculty of Dentistry, King Abdulaziz University,
Jeddah, Saudi Arabia
eaattar@kau.edu.sa
Abstract:
Statement of the problem: A major problem of the all-ceramic
restorations that made it less reliable than metal-ceramic
restorations is the mechanical integrity and the bond strength
of the veneering porcelain to the ceramic substructure.
Purpose: This review
traces the historic evolution of the different metal and all
ceramic systems, in terms of mechanical properties and bond
strength of substructure to veneering porcelain.
Materials and methods:
literature covering almost 40 years of studies investigating the
bond strength of the metal-ceramic and all-ceramic restorations
was reviewed. A MEDLINE search was used to locate the articles.
Conclusion:
The search for the ideal all-ceramic material that has a good
clinical performance and longevity will continue. This is very
important from a clinical point of view as the selection of new
materials should be based on a strong evidence to support the
clinical application
ceramics, Dicor, In-Ceram,
Empress, Lava, Procera, Alumina, Zirconia.
[Esraa A. Attar.
The shear bond strength of low fusing porcelain to zirconium
oxide substructure compared to metal substructure.
J Am Sci
2016;12(7):19-27].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
3.
doi:10.7537/marsjas120716.03.
Keywords:
shear bond strength, flexural strength, metal-ceramic
restorations, all-ceramic restorations, CAD/ CAM |
Full Text |
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4
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Prevalence of Irritable Bowel Syndrome and its Relation to
Self-esteem, Depression, and Quality of Life of Female Students
in Health-Related Facultiesat Umm Al-Qura University
Hanan Said Ali1, Youssreya Ibrahim2,
Abdullah A Saati3, Esraa Esam-Eldin1, Muna
Ibrahim H Al Harbi4
Medical Surgical Nursing1, Critical Care Nursing2,
Environmental Health and Toxicology Department of Community
Medicine and Pilgrims Healthcare. Faculty of Medicine3,
Community Health Nursing4, Umm Al Qura University
dr_hanan10@yahoo.com
Abstract:
Irritable Bowel Syndrome (IBS) is a widespread disorder
associated with
stressful factors among university students.
This study aim was to measure the prevalence of IBS among female
students in health-related faculties, identify its potential
risk factors, and assess associated psychological aspects such
as symptoms of depression, self-esteem, and Quality of Life (QoL).
This cross-sectional analytic study was conducted on 1351 female
students enrolled in all medical faculties, faculty of nursing,
pharmacy, applied medical science and faculty of medicine,
dentist at Umm Al Qura University, Saudi Arabia. A
self-administered questionnaire was used to collect data
regarding IBS (developed by the
World Gastroenterology Organization),
self-esteem (Rosenberg self-esteem
scale),
and depression (Center
for Epidemiologic Studies Depression Scale),
the
IBS-QoL scale,
in addition to relevant socio-demographic and health data.
Data were
collected from December 2013 to May 2014. The
prevalence of IBS was 33.7% (95% CI 31.33-36.07); 58.5% had
depressive symptoms (95% CI 56.03-60.97); 9.3% had low
self-esteem (95% CI 7.85-10.75), and 10.0% had low QoL (95% CI
8.50-11.50). From multivariate analysis, IBS was associated with
use of laxatives (OR=4.14), stress (OR=2.14), and drinking tea
(OR=1.43), while the intake of fibers was protective (OR=0.65).
The presence of IBS was significant independent factor leading
to worse QoL, while a higher school year and a higher
self-esteem were associated with better QoL. The study concludes
that the prevalence of IBS among university students in
health-related faculties is high. Its independently associated
factors are stress, use of laxatives, and low fiber intake. The
disorder is associated with high prevalence of depressive
symptoms and low QoL, in addition to low self-esteem. Screening
programs for IBS and related psychological problems are
recommended.
[Hanan Said Ali, Youssreya Ibrahim, Abdullah A Saati,
EsraaEsam-Eldin, Muna Ibrahim H Al Harbi.
Prevalence of Irritable Bowel Syndrome and its Relation to
Self-esteem, Depression, and Quality of Life of Female Students
in Health-Related Faculties at Umm Al-Qura University.
J Am Sci
2016;12(7):28-39].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
4.
doi:10.7537/marsjas120716.04.
Keywords:
Irritable Bowel Syndrome, Self-esteem, Depression, Quality of
Life, University students. |
Full Text |
4
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5
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Genetic behavior in selected
tomatoes lines for yield and quality traits
Rashwan A.M.A and Abdel-Haleem A.
H. El-Shaieny
Horticulture Depat. (Vegetable
crops) Faculty, of Agriculture South Valley University,
Qena 83523, Egypt
a.elshaieny@agr.svu.edu.eg,
rashwan_univ@yahoo.com
Abstract:
The goal of this research is to
study the genetic behavior in selected tomato lines to yield and
quality traits. Results, showed highly significant differences
among genotypes (G) for all studied traits. The (G×Y)
interaction was not significant for all studied traits except
for TSS trait. Average lycopene content trait ranged from 19.27
for line SV5 to 37.24 for line SV2,
Ascorbic acid ranged from 14.21 for Super Strain- B to 32.63 for
line SV6, total soluble solids ranged from 5.83 for
Super Strain B to 6.71 for line SV2, yield/ plant (g)
ranged 1410 for line SV8 to 2329.99 (g) for hybrid
followed by SV1, SV2 and SV4.
The heritability estimated ranged from 27.78 for number of locus
trait to 99.88 for lycopene content. The genotypic and
phenotypic coefficients of variation were observed with slight
differences between them for all studied traits except for TSS,
reflecting to high genotypic variance and resulted in high
estimates of broad-sense heritability. Genetic advance ranged
from 2.94% for TSS to 43.48% for Lycopene trait. Results
revealed tat fruit yield/ plant (g) was highly significant
positive correlated with lycopene (0.519), ASC (0.337) and NL
(0.411), While non
significant with TSS (0.240).
[Rashwan A.M.A and Abdel-Haleem A. H. El-Shaieny.
Genetic behavior in selected tomatoes lines for yield and
quality traits.
J Am Sci
2016;12(7):40-44].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
5.
doi:10.7537/marsjas120716.05.
Key words:
Correlation, Genetic advance, Heritability, Lycopene, Tomato,
yield per plant |
Full Text |
5
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6
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Assessment of color stability of different resin cements having
different modes of polymerization before and after aging
Ahmed M. Mesbah, Tarek S. Morsi and Ahmed E. Sabet
Department of Fixed prosthodontics, Faculty Dentistry, Ain Shams
University, Cairo, Egypt
ahmed.f.mesbah@gmail.com
Abstract:
Objectives: This the aim of this in vitro study was to evaluate
the effect of aging on the color change of three different resin
cements of light and dual polymerization mechanisms and compare
between the change in their color content after the aging
process to determine which mode of polymerization has better
color stability.
Methods:
30 ceramic discs of diameter of 10 mm and thickness 0.5 mm were
prepared from IPS Empress CAD blocks and three different resin
cements, (Rely X Unicem, Rely X Ultimate and Rely X Veneer) were
applied to the surface treated ceramic discs (each cement was
applied on 10 discs) with a thickness of 0.1 mm through a custom
made Teflon mould of internal thickness of 0.6 mm and then light
curied, after that the samples have undergone an aging process
(Thermocycling) in which the shade was measured by a digital
spectrophotometer before aging and after 1000, 2000 and 3000
thermal cycling to determine the change in the color content of
the resin cements. Results: Rely X Ultimate showed the
highest color stability followed by Rely X Veneer while Rely X
Unicem showed the lowest color stability of all the resin
cements used. The results showed that within all the cements
there was an increase in ∆E with increasing the number of
thermal cycles and there was a significant difference (p < 0.05)
between 24 hours and (1000 cycles, 2000 cycles and 3000 cycles),
for the Rely X Ultimate and the Rely X Unicem there was a
significant difference (p < 0.05) between 1000 cycles and (2000
cycles and 3000 cycles) as for the Rely X Veneer there was a
significant difference (p < 0.05) between 1000 cycles and 3000
cycles, although all the final results of E among all the
cements were
clinically acceptable. Conclusions: The studied cements
behaved acceptably according to E, but they became Darker after
aging, and that the Rely X Ultimate (dual cured) resin cement
could be used to cement either crowns or veneers with a high
final esthetic outcome with a high degree of color stability
like that of the light cured resin cements. Clinical
Implications: The studied cements both using the dual cured and
light cured mode of polymerization can ensure color stability
when used to cement porcelain laminate veneers.
[Ahmed M. Mesbah, Tarek S. Morsi and Ahmed E. Sabet.
Assessment of color stability of different resin cements having
different modes of polymerization before and after aging.
J Am Sci
2016;12(7):45-51].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
6.
doi:10.7537/marsjas120716.06.
Keywords:
Resin cement, Aging, Thermocycling, Color Stability |
Full Text |
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Adolescent Girls’ Communication with their Mothers on Sexual and
Reproductive Health Matters among Secondary and Preparatory
Schools’ Students
Manal Mohamed Ahmed Ayed 1, Amina Mohamed Thabet
1, Eman Ez El- regal Esia 2 and Nour El Hoda
Mostafa Mohamed 3
1
Pediatric Nursing Department, Faculty of Nursing, 2Community
Health Nursing Department, and 3 Obstetric and
Gynecological Nursing Department, Faculty of Nursing, Sohag
University, Sohag, Egypt.
Abstract:
In many parts of the
world, adolescents are poorly informed about their health,
bodies, sexuality, and physical well-being. Adolescent girls in
particular are often kept from learning about sexuality and
reproductive health (SRH) issues because of cultural and
religious sensitivities. The study aimed to assess
adolescent girls’ communication with their mothers on sexual and
reproductive health matters among preparatory and secondary
schools’ students.
Cross-sectional
descriptive
research design was adopted for this study.
The study sample included 630 adolescent girls which selected
randomly from five preparatory and secondary schools at Assuit
City on March 2016. One tool questionnaire sheet was utilized to
collect data pertinent to this study which designed by the
researchers. Results: The mean age of adolescent girls
were 13.42 ± 2.71 years.
Nearly three forth of them
(73.3%) reported that the most common source of information
about SRH were their friends. Nearly one-third (29.76%) of them
were identified as satisfactory communication with their
mothers, 38.91% were poor communication, and 31.33% were very
poor communication. 74.1% of the them reported that the
barriers which made them difficult to discuss these topics with
their mothers were their mothers fear of directing their girls
to engage in sexual activity followed by 60.2% were feel shame
to discuss these topics with their mother. Conclusion:
The study concluded that large proportion of the
studied adolescent girls was poor and very poor communication
with their mothers related to discussion of SRH topics.
Recommendation: Parents need to be educated to understand
that adolescents are not young as at that age, they are aware of
sexual needs, and some of them may be sexually active. They need
all the necessary education and information before it is too
late to correct any mistakes.
[Manal Mohamed Ahmed
Ayed, Amina Mohamed Thabet, Eman Ez El- regal Esia and Nour El
Hoda Mostafa Mohamed. Adolescent Girls’ Communication with
their Mothers on Sexual and Reproductive Health Matters among
Secondary and Preparatory Schools’ Students.
J Am Sci
2016;12(7):52-61].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
7.
doi:10.7537/marsjas120716.07.
Key words:
Adolescent Girls, Communication,
Sexual, Reproductive Health, Mothers, Secondary,
Preparatory Schools. |
Full Text |
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The effect of implant placement depth and impression material on
the stability of an open tray impression coping
Tarek Salah Morsi, Maged Mohamed Zohdy and Mahmoud Mohamed Emad
Crown and Bridge Department, Faculty of dentistry, Ain Shams
University, Egypt
dr-memad@hotmail.com
Abstract:
Purpose: to measure the effect of implant depth and type of
impression material on the stability of open tray impression
coping. Materials & Methods: Four single implant analogs were
placed in four acrylic master models with different depths (1mm,
2mm, 3mm & 4mm). Custom made tray were constructed for each
model for taking impressions. Twenty implant level impressions
were taken by polyether impression material, five impressions
for each group and same procedure was repeated for VPS
impression material. A device with compression force gauge was
used to test the stability of the dental implant analog. The
value of the force needed to move the implant analog connected
to the impression coping by 1.0 mm was displayed on the force
gauge monitor in Newton (N). Data was collected and
statistically analyzed. Results: In both materials, a mean
greater force was observed at 1mm depth, with a gradual decrease
in the mean force associated with increase in depth. The lowest
mean force was found at 4mm. At all depths, greater mean
compression force was required in the polyether impression
material. Two-ways ANOVA test revealed a statistically
significant difference (P=0.002). Tukey’s post hoc test revealed
a significant difference between each two depths in both
materials. Conclusion: within the limitations of this study,
implant placement depth and type of impression material affects
the stability of open tray impression coping.
[Tarek Salah Morsi, Maged Mohamed Zohdy and Mahmoud Mohamed Emad.
The effect of implant placement depth and impression material on
the stability of an open tray impression coping.
J Am Sci
2016;12(7):62-67].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
8.
doi:10.7537/marsjas120716.08.
Key words:
implant placement depth, VPS impression material, Polyether
impression material, open tray impression coping, implant
analog. |
Full Text |
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The Structural Changes to the Employment of Egyptian Women In
Light of the Free Market Mechanisms
Wafaa Mohamed Mohamed Salman
Associate professor of Economics& Vice dean for the education
and students affairs, Faculty of Commerce, Zagazig University
wafaasalman1964@yahoo.com
Abstract: Introduction:
The Egyptian economy has gone through a number of economic and
structural transformations that has affected employment in
general and employment for women in particular, where the
Ministry of Manpower has seized control of the labor market, but
to leave the labor market to the forces of supply and demand and
free market mechanisms in the early nineties, and the
application of economic reform and structural adjustment
program, through a number of economic crises and social
revolutions that have swept the Egyptian economy and impacted
seriously on a lot of economic sectors including the Egyptian
labor sector, which draws attention to the need to analyze these
developments on the Egyptian women's employment in terms of
gains or losses, specially in light of the evolution of
investment and educational policies, and legislations and laws
in Egypt.
Research problem:
The research is an attempt to answer a number of questions,
namely:
What is the impact of economic and policies changes on Egyptian
women's employment. (1) The direct foreign investment impact on
the Egyptian women's employment. (2) Legislation and laws and
their impact on women's employment in Egypt. (3) The
determinants of women's employment in Egypt.
Research methodology:
The research is based on the inductive and analytical approach
in showing the structural developments of the Egyptian women's
employment in the light of the free market mechanisms through
local and international data and reports, periodicals, and
theses of master and doctoral degrees. As well as, using
quantitative approach to analyze the factors affecting the
employment of women through the SPSS program.
Research importance:
The research importance is due to that it sheds light on the
most important determinants that affected the Egyptian women's
employment and the impact of economic, investment and
educational policies on the solution of the problem of
unemployment in such sector.
Research plan:
The research consists of five main sections:
(1) Section One:
The Evolution of Egyptian women's employment at the sectorial
level. (2)
Section Two:
The economic impact of investment policies (Local - foreign) on
Egyptian women's employment. (3)
Section Three:
The distributional effects of educational policies on Egyptian
women's employment. (4)
Section Four:
Legislations and laws, and the Egyptian work market. (5)
Section Five:
Determinants of employment of women in Egypt.
Research hypotheses:
The research is based on testing a number of hypotheses of the
employment of Egyptian women and the factors influencing them;
including: (1) The increase in women's unemployment rates is due
to poor implementation of economic policies. (2) The direct
foreign investment helped to increase Egyptian women's
employment. (3) The educational policies contributed in opening
employment areas to the Egyptian women. (4) The laws and
regulations have an important role in the treatment of the
Egyptian labor market problems.
[Wafaa
Mohamed Mohamed Salman.
The Structural Changes to the Employment of Egyptian Women In
Light of the Free Market Mechanisms.
J Am Sci
2016;12(7):68-85].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
9.
doi:10.7537/marsjas120716.09.
Keywords:
structural; employment; Egyptian; women; light; free market
mechanisms |
Full Text |
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Effect of an educational
program for parents of children with recurrent otitis media
during early childhood on prevention of its recurrence
Amina Mohamed Thabet1;
Mohamed Salama Bakr2; Soheir A. Dabash3
and Fathia Zaky Mohamed4
1Pediatric
Nursing Department, Faculty of Nursing, Sohag University, Egypt.
2
Head of Audiology Unit, Faculty of Medicine, Assiut University,
Egypt
3
Pediatric Nursing Department, Faculty of Nursing, Cairo
University, Egypt.
4
Pediatric Nursing Department, Faculty of Nursing, Assiut
University, Egypt.
Abstract:
Otitis media is one of the most
common illnesses in children today. It is estimated to account
for as many as one-third of all pediatrician visits. Recurrent
otitis media can lead to problems with hearing or hearing loss.
If this occurs at early stages of a child's life, it may
interfere with language, speech and cognitive development. The
aim of the present study is to assess the effect of an
educational program for parents of children with recurrent
otitis media during early childhood on prevention of its
recurrence. Quasi- experimental design was selected for
this study. A sample of 100 child suffering from
recurrent otitis media and their parents were selected randomly
from the Audiology Unit – Assiut University Hospital. Two
tools were designed, to collect data1)- an interview
questionnaire sheet, 2)- Family socio-economic Scale.
Results
of this study showed that the episodes frequency of otitis media
per year were reduced among study group children than those in
the control group with percentage 8% after application of the
educational program and the effect of the educational program on
the parents' level of knowledge was highly significant. It is
concluded that: the episodes of recurrent otitis media per
year were reduced in the frequency in the study group than those
in the control group with percentage 8% after application of the
educational program. According to the results the following
recommendations were suggested: the Ministry of health and
Population should focus on screening programs for all children
in the community for early detection of otitis media and
prevention of its complications. The pediatric and community
nurse at home or in MCH centers gives all new parents an
audio-visual material like an Arabic booklet that describes the
baby care, the risk factors of otitis media and measures for
prevention.
[Amina Mohamed Thabet; Mohamed Salama Baker; Soheir A. Dabash and Fathia
Zaky Mohamed. Effect of an educational program for parents of
children with recurrent otitis media during early childhood on
prevention of its recurrence.
J Am Sci
2016;12(7):86-98].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org. 10.
doi:10.7537/marsjas120716.10.
Key words:
Otitis media, effusion |
Full Text |
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Phenotypic and Genotypic Characterization of Acinetobacter
Infection in Intensive Care Units in Egypt
Marwa M. Shalaby1, Mina S. Meseehah1,
Asmaa M. Shahin1, Amany M. Abdelwahaab2,
Soheir S. Maklad2
1Microbiology
& Immunology Departments, Faculty of Medicine, Tanta University,
Tanta, Egypt
2Microbiology
& Immunology Departments, Faculty of Medicine, Al-Azhar
University, Cairo, Egypt
amanimohamed1960@yahoo.com
Abstract:
Acinetobacter baumannii
is a multidrug resistant organism associated with nosocomial
infections particularly in intensive care units. This study was
carried out to investigate the biotype, resist type and genotype
of A. baumannii isolated from different ICU patients
at Tanta University Hospital using pulsed field gel
electrophoresis (PFGE) to monitor outbreaks and spread of
different clones and determine their relatedness with that
isolates from ICU environment and Hospital Care Workers (HCW).Twenty
four A. baumanni isolates were studied; 20 of them were
mostly (70.8%) isolated from respiratory specimens of patients,
3 were from I CU environment and only one isolate from a HCW.
Antibiogram analysis showed that the isolates were fully (100%)
resistant to piperacillin, ceftriaxone, Cefoperazone and
Aztreonam. Resistance to other antibiotics were 95.8%, 91.7%,
83.3%, 75%, 70.8%, 66.7% for Cefotaxime, Netilmicin, Tobramycin,
Cefoperazone-sulbactam, Piperacillin-Tazobactam, Ciprofloxacin
respectively Among isolates;
3 biotypes, 9 resist type and10 distinct genotypes were
identified, with predominance of PFGE clone E (37.5%).
Some environmental isolates had
identical resistance and PFGE profiles and were closely related
to an isolate from a HCW. Cluster analysis showed that there was
a persistent endemic clone in Tanta Hospital ICUs. Conclusion:
survival and circulating some clonally related A. baumannii
were identified among patients and different ICU environment
and HCW, which were probably selected because of their
resistance to the majority of antimicrobial agents. These data
provided a better understanding of A. baumannii
epidemiology within hospitals, possible source and route of
transmission and the resistance pattern in order toimplement a
more strict prevention programs and improve antimicrobial
therapy.
[Marwa M. Shalaby, Mina S. Meseehah, Asmaa M. Shahin, Amany M.
Abdelwahaab, Soheir S. Maklad. Phenotypic and Genotypic
Characterization of Acinetobacter Infection in Intensive Care
Units in Egypt.
J Am Sci
2016;12(7):99-109].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
11.
doi:10.7537/marsjas120716.11.
Keywords:
Phenotypic; Genotypic; Acinetobacter; Infection; Egypt |
Full Text |
11
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12
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Factors Control of Gold Mineralization and Associated Ore
Metals, Um Rus Area, Central Eastern Desert, Egypt
I. Abu El-Leil1, S. M. Sakr1, L. M. Abd
El-Salam2, H. M. Azzam3, and R. M. El-Wardany
2
1
Al-Azhar University, Cairo Branch.
2
Al-Azhar University, Assiut Branch.
3
Egyptian Mineral Resources Authority (EMRA).
refaey_fz@yahoo.com
Abstract:
Geological studies and mineralogical investigation reveal that
gold mineralization and associated ore metals are essentially
associated with smoky quartz and wall rock alteration zones,
whereas kaolinitization, sericitization, vermiculitization and
carbonatization are present as by-products of alteration
processes. The studies reveal also that the base metal sulphides
associated with gold mineralization are represented by pyrite,
arsenopyrite, chalcopyrite, sphalerite, galena, pyrrhotite,
bornit, covellite, and marcasite, as well as oxides such as
magnetite, hematite and hydroxides such as goethite. Gold is
commonly present as fine minute specks scattered within some
sulphides such as pyrite and chalcopyrite and hydroxides such as
goethite. However, in quartz veins is obtained along the
microfractures. In the alteration zones, it is relatively more
abundant in the highly ferruginted rocks. Paragenetic sequence
of gold and associated ore metals suggests three different
stages. These are pyrite and magnetite stage, followed by pyrite
and arsenopyrite stage, and marcasite, hematite and goethite
stage. Actually, the second stage of pyrite-arsenopyrite stage
represents the most common one of gold mineralization.
[I. Abu El-Leil, S. M. Sakr, L. M. Abd El-Salam, H. M. Azzam,
and R. M. El-Wardany Factors
Control of Gold Mineralization and Associated Ore Metals, Um Rus
Area, Central Eastern Desert, Egypt.
J Am Sci
2016;12(7):110-125].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
12.
doi:10.7537/marsjas120716.12.
Keyword:
Um Rus, Gold mineralization, Paragenesis sequence |
Full Text |
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13
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The effect of milk serum whey on some physical and
physiological parameters of diving coaches
Ryeaan
Abdel Moneim Abdel Rahim 1 and Saleh Abdel Salam El
Tarabily2
1
Department of Specific Education, Faculty of Home Economics
"Nutrition", Suez Canal University, Egypt.
2
Department of Water Sports, Faculty of Physical Education, El
Arish, Suez Canal University, Egypt.
Rayyan8@gimail.com
Abstract:
Aim:
This
study was conducted to determine the effect of a dietary
supplement (milk serum whey) on some physical and physiological
parameters of diving coaches. Methods: Thirty healthy
male divers aged (27.4 ± 3.31 y) height (179.2 ± 4.9 cm),
weight (78.8 ± 2.7 kg) were participating in this study. They
were divided to two equal groups, a control and experiment
group. They were instructed to dive for 45 minutes four times
per week in Melia sharm, Reef Oasis. The divers coaches used
Nitrox, enriched air, announced by PADI 1996, In case of the
control group (using Placebo) and serum milk whey for the
experimental one (30 grams) twice daily for 60 days. Physical
and physiological tests were determined before and after the
dietary program (60 days). Results: There was a
significant improvement for the sake of experimental group in
physical tests (vertical jump, zigzag run, running 30m. x 5,
shuttling running and muscle strength) and another improvement
in physiological tests (T. proteins, creatinine, lactate, CPK,
AST, ALT) together with Malondialdehyde, SOD, Leucocyte counts )
and Neutrophils, lymphocytes, Monocytes. Conclusion: Milk
serum whey demonstrates a beneficial effect on muscle strength,
recovery of muscles and affect positively antioxidants and
immunity of the divers coaches.
[Ryeaan Abdel Moneim Abdel Rahim and Saleh Abdel
Salam El Tarabily. The effect of milk serum whey on some
physical and physiological parameters of diving coaches.
J Am Sci 2016;12(7):126-132].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org. 13.
doi:10.7537/marsjas120716.13.
Keywords:
Milk serum whey. Physical,
physiological changes and immunity |
Full Text |
13
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14
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The role of Beet Root ingestion on respiratory cardiovascular
system of diving coaches
Ryeaan
Abdel Moneim Abdel Rahim 1 and Saleh Abdel Salam El
Tarabily2
1
Department of Specific Education, Faculty of Home Economics
"Nutrition", Suez Canal University, Egypt.
2
Department of Water Sports, Faculty of Physical Education, El
Arish, Suez Canal University, Egypt.
Rayyan8@gimail.com
Abstract:
Aim of the research is to study the role of Beet Root ingestion on respiratory
cardiovascular system of divers. Materials, Methods:
Twenty four male diving coaches aged (22-25y), participated to
the research. They were divided to two groups, placebo,
experimental, experimental ingested 100g of Beet Root for 30
days as a supplement, they dive 45 min four times per week, in
Melia Sharm, Reef Oasis, Some Respiratory and Cardiovascular
variables were determined before and after the supplement,
placebo. Results: Indicated a positive effect of Beet
Root on Vital capacity VO2 max, physical efficiency
for respiratory variables together with increased blood cells,
albumin, globulin fibrinogen and hematocrit values together with
decreased pulse rate of the divers. Conclusion: Beet Root
contents affects positively both respiratory and cardiovascular
system leading to higher fitness and better health of the
divers.
[Ryeaan Abdel Moneim Abdel Rahim and Saleh Abdel
Salam El Tarabily. The role of Beet Root ingestion on
respiratory cardiovascular system of diving coaches. J Am
Sci 2016;12(7):133-138].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org. 14.
doi:10.7537/marsjas120716.14.
Keywords:
Beet root, respiratory-cardiovascular system |
Full Text |
14
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15
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Alpha 1 Acid Glycoprotein as a Marker for Diagnosis of Early
Onset Neonatal Sepsis in Fullterm Neonates
Amina M.Abdel Wahab1, Sonia G.Elsharkawy1,
Nouran B. AbdAllah1, AbdelhakimM.Elkasaby2
1Pediatric
Department, Faculty of Medicine, Suez Canal University, Egypt
2Pediatric
Department, Port Foad Hospital, Egypt
nouranboym2@hotmail.com
Abstract: Background:
Despite improved neonatal care over the past decades, neonatal
sepsis remains common and life threatening for newborns admitted
to the intensive care units. The WHO estimates that 1 million
deaths per year representing 10% of all deaths under 5 years are
due to neonatal sepsis. Unfortunately, early diagnosis of
neonatal sepsis remains challenging for practitioners as the
manifestations are vague and require high index of suspicion.
There is no single diagnostic test, which can reliably diagnose
sepsis in newborns, therefore many tests and sepsis markers are
currently used to diagnose or confirm sepsis. Aim of Study:
This study was conducted in order to evaluate the role of Alpha
1 acid glycoprotein in the early diagnosis of neonatal sepsis.
Material and Methods: This study was a prospective case
control conducted on 65 fullterm neonates who were admitted to
NICU of Suez Canal University hospital from May 2013 to August
2014. Neonates were aged from day 0 to day 7 of life, they were
categorized into 3 different groups according to clinical
symptoms of sepsis, bacteriological and laboratory results.
Group I consisted of 30 newborns with positive blood cultures
and other biological tests which suggested infections (confirmed
sepsis). Group II consisted of 15 newborns with negative blood
cultures but who had two or three clinical signs of sepsis
(suspected sepsis). The control group included 20 healthy
newborns referred for follow up after delivery in SCU obstetric
ward. Alpha 1acid glycoprotein (α-1AGP)
and CRP were determined sphectometrically and by rapid
agglutination test respectively. Results: There was a
significant highα-1AGP
level for confirmed and suspected sepsis. As well, CRP levels
were significantly elevated in neonates with confirmed sepsis
compared to other groups (p<0.001). Values of (α1AGP)
in suspected group after 48 hours showed elevation and a
positive significant relationship with neonatal mortality.
Values of α1AGP were significantly higher in neonates
who died due to sepsis in all groups. Conclusion: We
concluded that α1AGP and CRP are good predictor
markers for detection of early onset sepsis (EOS).
[Amina M. Abdel Wahab, Sonia G. Elsharkawy, Nouran B. AbdAllah,
Abdelhakim M. Elkasaby.
Alpha 1 Acid Glycoprotein as a Marker for Diagnosis of Early
Onset Neonatal Sepsis in Fullterm Neonates.
J Am Sci
2016;12(7):139-144].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
15.
doi:10.7537/marsjas120716.15.
Keywords:
Alpha-1acid glycoprotein, C-reactive protein, Neonatal sepsis |
Full Text |
15
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16 |
Incidentally depicted herniation of posteroinferior cerebellar
lobe
Hosam Eldeen Mostafa Ali1, MD, Seham Abbas Ali2,
MD, Mahmoud Farid Bathalla3, MD
1Radiology
Department,
Faculty of Medicine, Benha University, Egypt.
2Neurology
Department,
Faculty of Medicine, Benha University, Egypt.
3Neurosurgery
Department,
Faculty of Medicine, Al-Azhar University, Egypt.
faridneuro@yahoo.com
Abstract: Background and objective-
the mild herniation of the posteroinferior cerebellar lobe used
to be considered as a normal variant or irrelevant. The current
study aims to determine the symptoms associated with
incidentally discovered mild herniation of the
posteroinferior cerebellar lobe through the foramen magnum.
Methods- thirty incidentally depicted cases of mild
herniation of the posteroinferior cerebellar lobe through
foramen magnum (less than 5 mm) with no associated cervical cord
syringomyelia or cerebral disorders associated with Chiari
malformations, seen between December 2007 & March 2009. Those
cases were subjected to complete neurological examination to
depict the symptoms related to the herniation of the
posteroinferior cerebellar lobe. The diagnosis of the herniation
of the posteroinferior cerebellar lobe is based on mid-sagittal
T1 or T2 FSE MRI. Results- the symptomatic cases mainly
presented with chronic intractable occipital headache, vertigo,
vomiting & disequilibrium. All patients included in the study
showed normal brain except for herniation of the posteroinferior
cerebellar lobewhich has been historically thought of no
clinical relevance. 12 symptomatic cases subjected to further
neurological examinations to elicit the etiological relationship
between the posteroinferior cerebellar lobe herniation and such
symptoms.
[Hosam Eldeen
Mostafa Ali, Seham Abbas Ali, Mahmoud Farid Bathalla.
Incidentally depicted herniation of posteroinferior cerebellar
lobe.
J Am Sci
2016;12(7):145-151].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
16.
doi:10.7537/marsjas120716.16.
Keywords:
depict; herniation; posteroinferior; cerebellar; lobe |
Full Text |
16 |
17 |
Study on HCV direct acting drugs in treatment of chronic
hepatitis C
Atef Ahmed Ibrahim,
Roshdy Mohamed Khalf Allah, Amr Mostafa Al hammadiand and
Mohamed Mahmoud Khamiss Abd Elguaad
Internal Medicine Department,
Faculty of Medicine, Benha University, Egypt
Dr.m.khamiss@hotmail.com
Abstract:
Hepatitis C virus (HCV) infection is a serious public health
concern that affects 170 million people worldwide for which no
vaccine is available. The
hepatitis C virus
(HCV) is a small, enveloped, single-stranded, positive-sense
RNA virus.
It is a member of the
Hepacivirus
genus in the family
Flaviviridae.
There are seven major genotypes of HCV, which are known as
genotypes one to seven. Among those infected approximately
20–30% develop severe liver disease, such as chronic hepatitis,
liver cirrhosis, or hepatocellular carcinoma. The combined use
of the nucleoside analog ribavirin and pegylated interferon
alpha was the current standard of care. How-ever, success in
treatment depends largely on the viral genotype. For instance,
the rate of viral clearance upon current standard of care is
only 50% with genotype 1, the most prevalent circulating strain
in Western Europe and North America. Egypt's epidemiological and
social situation differs from Western countries states that the
prevalence of C virus is very high (estimated infection rate
among adults by 10 and 20% in urban areas and rural areas,
respectively). The origin of the epidemic due in the treatment
of schistosomiasis control in rural areas in 1960
campaigns. Since then, the virus has continued to spread, mainly
through intravenous injections and other medical procedures. But
there is an important difference about the epidemic in Egypt is
that more than 95% of infections are genotype 4 (HCVg4).
Currently there are more than 8 million people infected in Egypt
and the incidence of new infections is still the highest in all
parts of the world. In addition, this combined regimen of
treatment has been associated with many serious side effects
such as fatigue, depression, nausea and bone marrow depression.
All of these issues justify the need to develop novel, more
efficacious and safer anti-HCV drugs. The development of new
models and tools has led to the discovery and clinical
development of a large number of new anti-hepatitis C virus (HCV)
drugs. Telaprevir and boceprevir, both first-wave,
first-generation NS3-4A protease inhibitors Two others in
2013/2014: Simeprevir, a second-wave, first-generation NS3-4A
protease inhibitor. And Sofosbuvir, a nucleotide analogue
inhibitor of the viral polymerase. Numerous other drugs have
reached phase II or III clinical development. Beginning in 2015
and beyond and cure rates have increased to more than 90
percent.
[Atef Ahmed Ibrahim,
Roshdy Mohamed Khalf Allah, Amr Mostafa Al hammadiand and
Mohamed Mahmoud Khamiss Abd Elguaad.
Study on HCV direct acting drugs in treatment of chronic
hepatitis C.
J Am Sci
2016;12(7):152-181].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
17.
doi:10.7537/marsjas120716.17.
Keyword:
HCV, viral hepatitis, direct acting anti viral, DAAS |
Full Text |
17 |
18 |
Glutathione S transeferase as
Aprediagnostic tool and tumor marker in breast cancer
Ahmed A. Hendawy1,
Mohsen R. tolba1, Amal F. Gharib2 and Noha
A. Ibrahim1
1Zoology department, Faculty of
Science, Zagazig University, Egypt
2MedicalBiochemistryDepartment,
Faculty of medicine, Zagazig University, Egypt
Admirable_chica@hotmail.com
Abstract:
Breast cancer is one of leading causes of death in women,
polymorphism of glutathione s- transferase (GSTT1) gene is known
of risk factor for some environmental related diseases. The aim
of the present study was to investigate the role of polymorphism
in GSTT1 gene and breast cancer in Egyptian women at Sharkia
governorate, and to analyze the correlation of GSTT1gene
polymorphism with some hematological parameters. GSTT1 gene
polymorphism were genotyped by using multiplex polymerase chain
reaction (PCR) in 200 Egyptian women, 100 patients suffered from
breast cancer and 100 healthy women had no history of cancer,
other physiological parameters were elevated as kidney function
parameters (creatinine. Urea), liver function parameters
(Albumin, AST, ALT, LDH), reproductive parameters (FSH, LH, PRL
and Estrogen). Breast cancer women had a significance prevalence
of GSTT1 null p=(0.002) than control group, GSTT1 null genotype
in age group (40-60) in cancer cases p=(0.000) comparing with
age group (40-60) in control group. GSTT1 null genotype in
cancer group (40-60) associated with higher significance in some
physiological parameters as creatinine, FSH, PRL and Estrogen.
GSTT1 gene polymorphism may play an important role in pathogens
and susceptibility to breast cancer in Egyptian women.
[Ahmed A. Hendawy, Mohsen R.
tolba, Amal F. Gharib and Noha A. Ibrahim.
Glutathione S transeferase as Aprediagnostic tool and tumor
marker in breast cancer.
J Am Sci
2016;12(7):182-193].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
18.
doi:10.7537/marsjas120716.18.
Keywords:
Breast cancer, Glutathione s transferase t1, DNA extraction,
Polymerase chain reaction |
Full Text |
18 |
19 |
Mean platelet volume: can be an indicator to inflammation in
Spontaneous bacterial peritonitis.
Mervat E. Behiry 1, Dina M. Hassan2,
Gihan S. Dedik1 and Emad M. Elmootasem1
1Department
of Internal Medicine, Faculty of Medicine, Cairo University,
Egypt
2Departmentof
Clinical Pathology, Faculty of Medicine, Cairo University, Egypt
lambaa2020@yahoo.com
Abstract: Background and aim:
Spontaneous bacterial peritonitis (SBP) is
one of serious complications with a high death rate,
in cirrhotic patients with ascites.
Mean platelet volume (MPV)is an index of active platelets with
more proinflammatory actions. The present study was aiming to
prove that high mean platelet volume is an indicator of
inflammatory processes in SBP. Subjects and methods:
50 patients with liver cirrhosis complicated with ascites and 30
healthy subjects as controls.Routine
laboratory investigations including complete blood picture (CBC)
with MPV estimation, erythrocyte sedimentation rate (ESR), C-
reactive protein (CRP), Ascitic fluid analysis, and abdominal
ultrasound done for all patients and compared to controls.Results:
MPV was significantly higher in patient than in controls
(11.0±1.2 and 9.9±0.9) respectively with (P. value < 0.001).
At a cutoff value ≥ 10.8fl, MPV had 82.5% sensitivity and 100%
specificity for determining SBP. Conclusion: MPV
increases in cirrhotic patients with ascitic fluid infection,
indicting occurrence of systemic inflammatory response.
[Mervat
Essam, Dina hassan, Gihan Dedik and Emad Elmootasem.
Mean platelet volume: can be an indicator to inflammation in
Spontaneous bacterial peritonitis.
J Am Sci
2016;12(7):194-198].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
19.
doi:10.7537/marsjas120716.19.
Keywords: mean platelet
volume; ascitic fluid infection; inflammation; cirrhosis. |
Full Text |
19 |
20 |
Effect of conductive PPy on the Mechanical properties of Poly
(Ethylene-co-Vinyl Acetate) (EVA) polymer blends
A.M. Abd
Elbary(1) and
N.I. Aljuraide(2)
1Higher
Institute of Engineering and Technology,
Department of Physics
and Mathematical Engineering Science,
New Cairo Academy, 5th settlement, New Cairo
City,
Egypt.
2Faculty
of Medical Applied Sciences and Scientific Departments,
Department of Physics, Turabah Branch, Taif University, Al-Haweiah,
P.O. Box 888, 21974, Saudi Arabia,
dr_ah_abdelbary2005@yahoo.com,;
n.aljuraied@gmail.com.
Abstract:
Films of EVA, containing 12% VA and Polypyrrole / carbon nano-particles
used for this study were prepared. The x-ray diffract grams of
films were obtained for all the samples and ensures the
amorphous nature.
Tensile strength and elongation at break were estimated from
stress strain curves measured by using a tension meter.
The mechanical properties of these filled EVA samples show high
initial elastic modulus increases with PPy contents up to 30
phr. The degree of reinforcement achieved through incorporation
of conductive PPy is the highest at 30phr loading. The cross
linking density calculated from the Mooney-Rivlin equation is
found to be maximized at PPy loading of 30 phr. Finally, the
experimental results were compared with theoretical a
prediction, which indicates the absence of fitting between them.
Meanwhile, polynomial empirical formula fit well the
experimental results.
[A.M. Abd
Elbaryand N.I. Aljuraide.
Effect of conductive PPy on the Mechanical properties of Poly
(Ethylene-co-Vinyl Acetate) (EVA) polymer blends.
J Am Sci
2016;12(7):199-203].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
20.
doi:10.7537/marsjas120716.20.
Keywords: Mechanical
properties, (EVA), conductive PPy and polymer blend.
|
Full Text |
20 |
21 |
The Possible
Protective Role of Lemon Fruit Extract Against Cytogenetic
Effects Induced by Cyclophosphamide in Male Albino Mice
Lina Abdul-Fattah
Kurdi and Wejdan Saad Alamri
Department of
Biology (Zoology), Faculty of Sciences, Al Faisaliah- King Abdul
Aziz University, P.O. Box. 4938, Jeddah 21412, KSA.
dr.lina_kurdi@hotmail.com
Abstract:
The present study aims to evaluate the possible protective
effect of lemon fruit extract (LFE) against DNA damage in bone
marrow cells was evaluated using micronucleus assay of male mice
treated with cyclophosphamide. To attain this aim the 18 male
mice be divided into six groups: G1 control group, G2 male mice
treated with LFE (10ml/kg /day orally), G3 & G4 male mice
treated with CP (10 & 20 mg/kg /day intraperitoneally), G5 & G6
male mice dually treated with LFE (10ml/kg/day orally) + CP (10
& 20 mg/kg /day intraperitoneally). All of the abovementioned
groups were treated daily for 5 successive days. The
micronucleus test showed that CP stimulates the production of
micronucleus in polychromatic erythrocytes of bone marrow of
treated mice giving evidence that CP is positive clastogen.
While dual treatment with LFE and CP showed a reduction in the
mean of polychromatic erythrocytes with micronucleus. Therefore,
LFE could be concomitantly as a supplement to protect people
undergoing chemotherapy.
[Lina
Abdul-Fattah Kurdi and Wejdan Saad Alamri. The Possible
Protective Role of Lemon Fruit Extract Against Cytogenetic
Effects Induced by Cyclophosphamide in Male Albino Mice. J
Am Sci 2016;12(7):204-214]. ISSN 1545-1003 (print); ISSN
2375-7264 (online). http://www.jofamericanscience.org. 21. doi:10.7537/marsjas120716.21.
Key Words:
cyclophosphamide, bone marrow cells, micronucleus, lemon, mice |
Full Text |
21 |
22 |
Gated Pipes Irrigation System
for Optimum Water Productivity of Sugar cane in Egypt
Hassan A.
Abdel-Raheem1 and Ali Mohamed Elwan2
1Water
Management Research Institute (WMRI), National Water Research
Centre (NWRC), Egypt
2Sugar
crops Research Institute - Agriculture Research Centre,
Egypt
dr.hassanahmed_999@yahoo.com
Abstract:
In Egypt, water scarcity is one of the main challenges that
hinder agricultural expansion and development. Also, sugar cane
is the principal crop for the sugar industry and is the sole
source for molasses, in addition, it provides many essential
industries with raw materials. Sugarcane is well-known as one of
the freshwater-guzzling crops, where one feddan (0.42 ha)
planted by sugar cane in old lands need to more of irrigation
water around 10800m3 than other field crops in Egypt.
Therefore, optimization of water use of sugar cane involves
getting the maximum value output for minimum amount of water
consumed. Consequently, two field experiments during seasons
(2015 and 2016) were
conducted at three region at El – Minia (middle Egypt), Luxor
(begin of Upper Egypt) and Aswan (end of Upper Egypt) experiment
stations. Gated pipes irrigation system compared with
conventional flood irrigation for irrigating sugar cane (Saccharum
officinarum L.) were examined under two different
planting methods (raised-beds and furrows) for the resulting
differences in yield, water applied, actual water consumptive
use, water saving, total irrigation efficiency, irrigation time
and irrigation costs. Results indicated that the irrigated sugar
cane crop by gated pipes system and planting in beds leads to an
increase in productivity with rate equals 11.82%, 14.04 % and
16.03 %, saving of water by 32.35 %, 33.10% and 35.67 %,
decrease the irrigation time about 36.90%, 37.95 % and 38.19 % %
and rising the total irrigation’s efficiency about 75.78%,
75.10% and 74.83 % compared with conventional treatment (flood
irrigation and planting in furrow) for El-Minia, Luxor and Aswan
regions respectively.
Result indicated that
(from view point of water) when we use the best irrigation
system (irrigated by gated pipes and planting in beds) we can
save water irrigation about 1,035420270, 1,25400762 and
1,992858540 Millar m3/area in Egypt for same regions
respectively. This quantity saving water enough to cultivate
different areas from field and horticulture crops under Egypt
conditions.
It could be recommended to
application gated pipes in beds to produce high yield and
quality with less amount of water applied under different soil
texture and weather conditions in Egypt.
[Hassan A. Abdel-Raheem
and Ali Mohamed Elwan.
Gated Pipes Irrigation
System for Optimum Water Productivity of Sugar cane in Egypt.
J Am Sci
2016;12(7):215-225].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
22.
doi:10.7537/marsjas120716.22.
Keywords:
Gated Pipes; Irrigation; System; Optimum; Water; Productivity;
Sugar cane; Egypt |
Full Text |
22 |
23 |
Factors Far Affecting beyond Just Traditionally Managing the
Employees: An Approach to (HR) Meta-Management (MM) by Grounded
Theory (GT)
Assist. Prof. Dr. Amgad Hamed Omara
Business Administration Dept., Vice Dean of the Faculty of
Commerce, Menoufia University – Egypt.
amgadomara63@yahoo.com
Abstract:
Do people in organizations have to be considered only as human
resources? Or should they have to be dealt with as human beings
as well? If you agree with the first half of this compound
query, you are traditionally thinking that management theory is
proportionally tend to be sufficient to deal with all the
people's objectives. If you go to consider additionally the
second half of the previous question, then you will think in
organization's people out of being just employees. This research
argues that managers have no way but to adopt the latter view,
and whilst they are doing so, they should be aware that the
context within which they are dealing with people is actually
crossing over the limits of employees private and organizational
objectives, to cover those people's communal purposes. In other
words, people's backgrounds concerning the overall community
issues, ambitions and goals are critically have emerged and
clearly floated up to get enforced into the managers zone of
work. In this, the research claims that management theory will
not be that sufficient to allow managers to deal with the people
widely extended ideological backgrounds that are conditionally
affecting their work as well as workplaces. As an alternative,
they have to be creatively able to utilize the whole body of
knowledge in order to manage such ambitious goals of people.
They have to use what to be called herein a meta-management
(MM). However, getting correctly informed about the people's
ideological backgrounds concerning the varied communal issues,
managers have to go and directly ask those people. Since there
will be too much vague and fake to build on a pre-set
understanding to these ideological issues via the provided
assumptions of management theory. That's why this research is
highlighting the grounded theory (GT) as the method to use for
originating the true theories which are actually based upon
reality in considering what people think about and believe in.
Due to the wide range of the employees ideologically communal
backgrounds that have to be dealt with by the managers in
different organizations, this research has been focused on those
ideological backgrounds normally found and become more
critically important by the mechanism of the development
mobility, wherever it occurs in the world different countries,
particularly in Egypt as a developing third world country. As a
consequence, four issues were given the priority in this
research; democracy concerning the political life, technology
concerning the precedence of progress, capitalism concerning the
economic welfare affairs, and the supremacy of law concerning
the social control. The objective was to know how employees
really think about and/or believe in these issues, to what
extent this really governing and affect their work life, to what
extent this thinking reflects on organizations, and what could
be the additional task of managers in facing such a case. The
research field study has empirically covered the Egyptian local
community development societies (ELCDSs), those precisely based
on the Lower Egypt governorates and the research population has
contained a combination of non-top managerial and non-managerial
staffs who are working there.
[Amgad Hamed Omara. Factors Far Affecting beyond
Just Traditionally Managing the Employees: An Approach to (HR)
Meta-Management (MM) by Grounded Theory (GT).
J Am Sci
2016;12(7):226-246].
ISSN 1545-1003 (print); ISSN 2375-7264
(online).
http://www.jofamericanscience.org.
23.
doi:10.7537/marsjas120716.23.
Key words:
Human resources, human beings, Meta management (MM), grounded
theories (GT), democracy, technology, ruling of law, capitalism
and globalization, development mobility |
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