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Science Journal

 

New York Science Journal

(N Y Sci J)

ISSN 1554-0200 (print); ISSN 2375-723X (online), doi:10.7537, Monthly

Volume 10 - Number 8 (Cumulated No. 102); 25, 2017

Cover (jpg), Cover (pdf), Introduction, Contents, Call for Papers, ny1008

 
The following manuscripts are presented as online first for peer-review, starting from June 9, 2017. 
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CONTENTS  

No.

Titles / Authors /Abstracts

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No.

1

Vestibular Evoked Myogenic Potentials in Children with Sensorineural Hearing Loss

 

Gehan Abdel-Rahman El- Zarea, Ahmed M.A. Mahmoud, Soha Mohamed Hamada and Mohamed Mahmoud Saleh

 

ENT Department, Audiology unit, Faculty of Medicine, Al-Azhar University, Egypt

drsalehaudio@gmail.com

 

Abstract: Background: Epidemiological studies have shown that 1 in 1000 children are born with or present in early childhood with severe or profound hearing impairment (Mueller et al., 1999). More lose their hearing later during childhood. The lack of auditory input from environmental sounds and speech during early childhood interferes with the normal development of the auditory system and prohibits the development of speech and language abilities. Objective: To assess saccular function in children with SNHL through testing cervical vestibular evoked myogenic potentials. Patient and Methods: Control group: They were taken from relatives of patients attending the Audiology unit, Hearing and speech institute. Twenty children (40 ears) aged from 10 up to 18 years (typically developing) with normal hearing sensitivities (age and gender matched with the patient group) were recruited. Their hearing threshold level < 25dB nHL with no history of any general diseases were selected. Patient group: This is a descriptive cross sectional study of 25 children aged from 10 up to 18 years (paediatrics and adolescents) with SNHL presented to Audiology unit, Hearing and speech institute from December 2015 to November 2016. Exclusion criteria:- conductive hearing loss, otitis media, ear drum perforations or any complaints of vertigo or dizziness. A written consent was taken from all the parents of children included in this study. Methods: All patients and controls were evaluated as regards the following:-Full history taking (prenatal, neonatal, postnatal to detect the cause of hearing loss), Otological examination, audiometric examination to detect the level of hearing using pure tone audiometer model Interacoustics AC40 in a sound treated room model Amplisilence E. The hearing loss was divided according to PTA average of Goodman,1965. Speech audiometry to detect Speech Reception Threshold and Word Discrimination score. Immitancemetry was performed using immitancemeter model Interacoustics AZ26 with a probe tone 220Hz. Acoustic reflexes were done on 500, 1000, 2000 and 4000 Hz ipsilaterally. Vestibular evoked myogenic potential was performed using AUDERA of Grason-Stadler (GSI). Results: Our research confirmed the assumption that VEMPs could be recorded despite the presence of severe degrees of SNHL. SNHL does not affect VEMP P13 and N23 latency values. P13 and N23 latencies were not correlated with the degree of SNHL. VEMP P13 and N23 latencies were not correlated with age in children with SNHL. Conclusion: Our research confirmed the assumption that VEMPs could be recorded despite the presence of severe degrees of SNHL. SNHL is not associated with saccular dysfunction in the pediatric population. Recommendations: Further research on the genes causing SNHL and its relation to VEMP findings are worth undertaking. Including VEMP testing in the battery of investigations for CI candidates is suggested.

[Gehan Abdel-Rahman El- Zarea, Ahmed M.A. Mahmoud, Soha Mohamed Hamada and Mohamed Mahmoud Saleh. Vestibular Evoked Myogenic Potentials in Children with Sensorineural Hearing Loss. N Y Sci J 2017;10(8):1-11]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 1. doi:10.7537/marsnys100817.01.

 

Keywords: Vestibular evoked myogenic potential, sensorineural hearing loss

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2

The effect of systemic isotretinoin dose on dry eye parameters in patients treated from acne vulgaris

 

Talal A. Abd El-Raheem, M.D.1, Marwa Nassar, M.D.1, Omar M. Sayed, M.D.2, Safaa S. Gouda, M.B.B.Ch 2

 

1Dermatology Department, Faculty of Medicine, Fayoum University, Egypt

2Ophthalmology Department, Faculty of Medicine, Fayoum University, Egypt

diabmmm@yahoo.com

 

Abstract: Purpose: To assess the effect of systemic isotretinoin dose on dry eye parameters in patients treated from acne vulgaris. Patient and Methods: Forty patients with different types of acnevulgaris treated with a dose 0.5mg/kg/day or 1mg/kg/day according to severity and response to treatment for six months. Ophthalmological assessment was done before treatment, 3 months and 6 months of treatment, and this included: tear break uptime, schirmer test, corneal fluorescein staining. Results: Our study revealed statistically significant affection of dry eye parameters (pvalue<0.05). Conclusion: There is a strong association between isotretinoin therapy and the development of obvious ocular side effects in the form of dry eye disease that can be controlled with careful follow up, but still safe with minimal difference in side effects between high and low doses.

[Talal A. Abd El-Raheem, Marwa Nassar, Omar M. Sayed, Safaa S. Gouda. The effect of systemic isotretinoin dose on dry eye parameters in patients treated from acne vulgaris. N Y Sci J 2017;10(8):12-14]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 2. doi:10.7537/marsnys100817.02.

 

Keywords: Acne vulgaris; Isotretinoin; dry eye

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3

Role of Diffusion‐weighted MR Imaging in the evaluation of ovarian tumors

 

Prof. Dr. Mohammed Farouk Aggag, Dr. Ahmed Mohammed Abou Elfotouh, Ahmed Diab Abdelrahman Abdullah

 

Radiology Department, Faculty of Medicine, Al-Azhar University, Cairo, Egypt

Abdelrahmanhaha@hotmail.com

 

Abstract: Introduction: Ovarian cancer is the fifth leading cause of death among women after (lung, breast, colorectal, and pancreatic cancers) and has a high likelihood of recurrence despite aggressive treatment strategies. It is considered the second most common gynecologic malignancy (after cervical Cancer). Diffusion-weighted imaging (DWI) is one of the evolving imaging technologies. It carries the potential to improve tissue characterization when findings are interpreted together with conventional MR imaging sequences. DWI has been widely used in neuroimaging for a number of years. Its application in abdominal and pelvic imaging has been limited by motion and susceptibility artifacts. However, the development of new imaging techniques, high gradient amplitudes and phased-array surface coils allowed much faster data acquisition with fewer artifacts, leading to significant improvement in the quality of image in body applications. Experimental Methods: This study included 20 patients with ovarian tumors. Examined by 1.5 T MRI using both conventional sequences as well as DWI and ADC map. Correlation with histo-pathological results was done. Results: Addition of DWI to the conventional MR images did not improve the sensitivity, but increased the specificity, PPV, NPV, accuracy from78.6%, 62.5, 91.7% and 80% to 85.7%, 71.4%, 92.3% and 85%. Conclusion: The combination of DWI to conventional MRI implies: (1) Using a completely noninvasive technique with no radiation exposure. (2) DWI might be an alternative for contrast administration especially for those were contrast intake is better avoided as during pregnancy. (3) It improves the specificity and accuracy of MRI and thus increasing the radiologist’s confidence in image interpretation which will finally reflect on the patients’ outcome and prognosis.

[Ahmed Diab Abdelrahman Abdullah. Role of Diffusion‐weighted MR Imaging in the evaluation of ovarian tumors. N Y Sci J 2017;10(8):15-18]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 3. doi:10.7537/marsnys100817.03.

 

Keywords: Role; Diffusion; MR Imaging; evaluation; ovarian tumor

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4

Duplex Ultrasound Guided Balloon Angioplasty of Lower Extremity Arteries in the Treatment of Critical Lower Limb Ischaemia

 

Alaa El-Din Mostaf Kamal Sharaby, Mohamed Abd El-Hamid Abd El-Rahman and Mohamed Ibraheem Hammoda

 

Vascular Surgery Department, Faculty of Medicine, Al-Azhar University, Egypt

Hamoda_hr_84@yahoo.com

 

Abstract: Objective: To assess the using of duplex ultrasound technique during balloon angioplasty of the lower extremity arteries as regard efficacy, safety and results as well as complications in the treatment of cases of critical lower limb ischaemia. Methods: This prospective randomized controlled study was conducted in the vascular surgery department of Al-Azahar University Hospitals during the period from December 2014 to October 2016. 40 patients; 31(77.5%) male and females was 9(22.5%) with critical lower limb ischaemia. All 40 patients were treated with duplex guided balloon angioplasty and stenting. The patients underwent duplex guidance balloon angioplasty for stenotic and occlusion lesions in the lower extremities. Results: the technical success rate was 100% in this study, based on blood flow was regard before accomplishing the procedure by PTA alone in 38 patients (95%) and PTA with stent in two patients (5%) due to dissection and treated with (6x80cm) EV3 (Self –expanding stent. The improvement detected by PSV at the site of arterial lesion before and after PTA in 40 patients. Balloon angioplasty with or without stenting was done for the lesions after successful crossing. Improvement detected by duplex ultrasound (PSV and wave form) of the studied group (40) 100% at 1 month, 80% at 6 month, 77.5% at 1 year. Intraoperative complications, there were dissection occurred in two cases one treated with stent deployment due to hemodynamically residual significant stenosis following angioplasty <30% diameter reduction and the other one treated with multiple successive balloon dilation for 30 second duration and one minute apart, no thrombosis of the SFA, no distal emboli were detected on completion duplex scans. Conclusion: Duplex-guided balloon angioplasty seems to be feasible, safe, effective technique, a bedside procedure and cost effective as well. Compared with fluoroscopy guidance its considerable cheap, feasible, safe, effective technique, abed–side procedure and cost effective as well.

[Alaa El-Din Mostaf Kamal Sharaby, Mohamed Abd El-Hamid Abd El-Rahman and Mohamed Ibraheem Hammoda. Duplex Ultrasound Guided Balloon Angioplasty of Lower Extremity Arteries in the Treatment of Critical Lower Limb Ischaemia. N Y Sci J 2017;10(8):19-28]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 4. doi:10.7537/marsnys100817.04.

 

Keywords: Duplex Ultrasound; Balloon Angioplasty; Lower Extremity Artery; Treatment; Lower Limb Ischaemia

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Outcome for upper limb arterio-venous fistula creation with transposition technique

 

Omar Moukhtar Ibrahem, Mohamed Hussein Mohamed, and Elsayed Elsheshtawy Ali

 

General Surgery Department, Faculty of Medicine, Al-Azhar University, Egypt

D_sfa_2007@yahoo.com

 

Abstract: Objective: to examine the outcome of transposed autogenousarterio-venous fistula in the upper limb. Methods: It is a randomized controlled clinical trial was conducted in the vascular surgery unit at Al-Hussein university hospital in the period from October 1st, 2016 till March 30th, 2017. The study included 20 patients suffering from end stage renal diseases on regular dialysis but they are obese and there superficial veins aren’t detected by physical examination but have suitable diameter by duplex for creation of arteriovenous fistula. Results: Primary 6-month patency among the transposed veins was 90 %. Failure rates for all transposed fistulas were low, not exceeding 15%. Rate of surgical complications was 15%, which included hematoma, wound infection, and steal syndrome. Conclusion: With an increasing need for AVF creation, our study demonstrated that the transposition technique is superior to previously published literature in hemodialysis access creation. Our study had a low morbidity rate and all AVFs were able to be used at a range of 4-6 weeks postoperatively. The primary 6-month patency rates were acceptable. Because of the low primary failure rate, our study showed that, in our experience, the transposition technique is superior to that shown in previously published literature in hemodialysis access creation.

[Omar Moukhtar Ibrahem, Mohamed Hussein Mohamed, and Elsayed Elsheshtawy Ali. Outcome for upper limb arterio-venous fistula creation with transposition technique. N Y Sci J 2017;10(8):29-33]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 5. doi:10.7537/marsnys100817.05.

 

Keywords: Outcome; limb arterio; venous; fistula; creation; transposition; technique

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6

Genetically modified crops and their biosafety concerns

 

Qasim Ali1*, Ghulam Hussain Sehrai1, Zohaib Hussain1, Moon Sajid1, Ghazanfar Abbas2, Ibrahim Bala Salisu3, Ahmad Ali Shahid1

 

1National Centre of Excellence in Molecular Biology, University of Punjab, Lahore.

2Centre of Agriculture Biotechnology and Biochemistry, University of Agriculture, Faisalabad.

3Department of Animal Science, Faculty of Agriculture, Federal University Dutse, P.M.B.

7156, Jigawa State, Nigeria.

*Corresponding Author: casimaly@gmail.com

 

Abstract: Genetic engineering (GE) brings the revolution in crop improvement by developing the genetically modified (GM) crops having intentional and novel traits. GM crops hold the great potential to face current challenges, in term of satisficing the increasing demand of agricultural products and food security. Despite the promises they hold, safety assessment of the GM crops is inevitable for their adoption and public concerns. Intense safety research work has been done, which indicates no direct significant adverse effect either on environment or on human health. However, in spite of intense scientific research work and available information some stones still need to be unturned. A deliberate scientific effort is required to uncover many secrets such as, mutagenicity and long-term heath effect of GM crops, in order to build enough confidence for the acceptance of such type of biotechnological innovations.

[Qasim Ali, Ghulam Hussain Sehrai, Zohaib Hussain, Moon Sajid, Ghazanfar Abbas, Ibrahim Bala Salisu. Genetically modified crops and their biosafety concerns. N Y Sci J 2017;10(8):34-41]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 6. doi:10.7537/marsnys100817.06.

 

Keyword: Risk assessment, GMO, Insect resistant crops, Herbicide resistant crops, Bt, Glyphosate

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Profound Hearing Loss: A Global Review with Particular Reference to Sub-saharan Africa

 

Kalu Randymay Eja1, Fulton John2 and Etim Kimboline Donatus3

 

1Federal Medical Centre, Bayelsa State, Nigeria.

2Department of Pharmacy, Health and Wellbeing, University of Sunderland, England.

3Department of Public Health, University of Calabar, Nigeria.

Kim.etim@yahoo.com

 

Abstract: It is well established that profound deafness or any other grade of deafness exists globally. The aim of this study was to review literature on the incidence and prevalence of hearing impairment in developed countries including possible aetiological factors and experiences, and compare same with developing countries of Sub-saharan Africa. The study was carried out by reviewing publications on researches conducted in America, United Kingdom, Canada, Belgium, Australia, Pakistan, Taiwan, Nigeria, South Africa, Cameroun and Egypt. It was found that there was a global increase in the number of people with profound deafness from 42 million in 1985 to 538 million in 2015 with an indication that 80% of hearing impaired persons live in low and middle income countries. At the end of 2013, the number of persons with severe to profound hearing impairment in the United Kingdom was estimated to be 1.2 million. In America, the incidence of newborn deafness was found to be higher in rural areas of Appalachia compared to non-Appalachia regions due to socioeconomic differences. In Canada, an increase from 5% to 13% of people with hearing impairment over a 24 year period has been recorded. In Australia, 27% of inhabitants over 5 years of age have been reported to have a hearing loss. In Sub-saharan Africa, one in seven children in Nigeria, for instance, has impaired hearing loss, suggesting high prevalence. Even in Jos, Nigeria, 44(31%) out of 142 children have hearing loss. Incidence and prevalence of profound hearing loss in developed countries are generally attributed to aetiological medical factors, for instance, congenital factors and genetic abnormalities account for 19.8% among neonates who have hearing impairment in Flanders and Belgium. In Sub-saharan Africa, hearing impairment is attributed to the combined effect of ignorance, poverty, medical aetiology, lack of neonatal screening facilities, poor healthcare services and a spiritual cause. In South Africa, admittance into the neonatal intensive care unit appears to be the most prevalent risk factor, while environmental factors account for 52.6% cases in Cameroun. In the United Kingdom, the experiences of mothers of children with impaired hearing are worry, frustration and shock. In Sub-saharan, the experiences of mothers are worry, frustration, absence of newborn screening test, wrong diagnosis by unskilled health workers, poverty and a spiritual cause. In conclusion, the management of hearing impairment in Sub-saharan Africa needs serious attention.

[Kalu Randymay Eja, Fulton John and Etim Kimboline Donatus. Profound Hearing Loss: A Global Review with Particular Reference to Sub-saharan Africa. N Y Sci J 2017;10(8):42-51]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 7. doi:10.7537/marsnys100817.07.

 

Keywords: Profound deafness, developed countries, Sub-saharan Africa, aetiological factors, mothers’ experiences

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Comparison between seismic codes IBC2016-ASCE07 2010-, UBC97, Eurocode8 and ECP2012 for ten floors concrete building

 

Prof. Dr. Mohammed Naguib Abou El-Saad, Prof. Assistant Dr. Ahmed Amin Ghaleb, Eng. Mahmoud Al Sakkar

 

Structural Eng. Department, Faculty of Engineering, Mansoura University, Egypt.

mah241280@yahoo.com

 

Abstract: After 1992 earthquake and the destructive effects that cause, Egyptian scholars decided to design new structures to resist earthquakes. The Egyptian code was issued since 1993 including seismic loads based on UBC American code. 2003 and later versions, new versions of the code were issued based on the Eurocode8. Although the code is based on the Eurocode8, it extracts some criteria from UBC97. Changing the Egyptian code from the American approach to the European approach arises the question: which one is the best, or in other words what are the advantages and disadvantages in each code to adopt and to avoid respectively. Four ETABS models were completed to study the difference between IBC2016-ASCE07 2010-, UBC97, Eurocode8 and ECP2002 for ten floors concrete tower. Ten floors tower describes the most common range of heights in Egypt. the seismic zone was selected to suit von majority of zones in Egypt and Arabic world. the soil was selected as medium to stiff soil. the system was selected as Concrete-Wall-Bearing System. The comparison of the studied codes showed that the Egyptian code has inconsistency in results in terms of seismic base-shear and story-shear and story responses like story drift ratio due to different load cases and different load combinations.

[Mohammed Naguib Abou El-Saad, Ahmed Amin Ghaleb, Mahmoud Al Sakkar. Comparison between seismic codes IBC2016-ASCE07 2010-, UBC97, Eurocode8 and ECP2012 for ten floors concrete building. N Y Sci J 2017;10(8):52-61]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 8. doi:10.7537/marsnys100817.08.

 

Keywords: Earthquake, Seismic Codes, IBC-ASCE07-, UBC97, EC8, ECP, Tower.

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Parasites Associated With Cyclorrhaphan Flies Caught in Selected Abattoirs in Awka North and Awka South Local Government Areas, Anambra State, South Eastern Nigeria

 

1Umeanaeto P.U., 1Igbokwe C.C., 1Onyido A.E. 1Irikannu K.C and 2Ifeanyichukwu M.O

 

1Department of Parasitology and Entomology, Faculty of Biosciences, Nnamdi Azikiwe University Awka, Anambra State

2Department of Medical Laboratory Sciences, Faculty of Health Science and Technology, Nnamdi Azikiwe University, Nnewi Campus, Anambra State

kayceeirika@yahoo.com

 

Abstract-A study was conducted to determine the species of Cyclorrhaphan flies as carriers of parasites from Abattoirs in Awka (Kwatta) and Amansea (Chisom and Nwakanwa) from June to July 2016. A total of 184 flies, comprising of three species were collected and examined for parasites using the formal–ether concentration method. The fly species were Chrysomya megacephala 83(45.1%), Lucilia cuprina 62(33.7%) and Musca domestica 39(21.2%). Four intestinal helminthes, Hookwormova 7(41.2%), Ascaris lumbricoides ova 4(23.6%), Trichuris trichiuraova 1(5.9%) and Strongyloides stercoralis larvae1(5.9%) and a protozoan parasite (Entamoeba histolytica cyst4(23.6%)), were isolated from the external body surfaces of the flies. Of these parasites, Hookworm was the dominant parasite detected. Among the flies, M. domestica was the highest carrier of the helminthes and protozoan parasites. Cyclorrhaphan flies especially the non-biting flies are mechanical transmitter of parasitic infection and so contribute to the spread of disease among the meat sellers and food sellers in and around the Abattoirs, therefore there is a great need to put them in check.

[ Umeanaeto P.U., Igbokwe C.C., Onyido A.E. Irikannu K.C and Ifeanyichukwu M.O. Parasites Associated With Cyclorrhaphan Flies Caught in Selected Abattoirs in Awka North and Awka South Local Government Areas, Anambra State, South Eastern Nigeria. N Y Sci J 2017;10(8):62-67]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 9. doi:10.7537/marsnys100817.09.

 

Key words: Abattoir, Cylorrhapha, flies, parasites

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Efficiency Parameters of SSR Markers for Characterization of Some Mango Cultivars and Their Suitability in Molecular Bar-coding

 

*Manal Eid and M. A. Hussein

 

Department of Botany, Faculty of Agriculture, Suez Canal University, Ismailia, Egypt

eid_manl@hotmail.com

 

Abstract: In the present study, 25 Egyptian cultivars of mango were characterized by means of - simple sequence repeats (SSRs) to distinguish the extent of genetic variation and to develop a fingerprinting key. Thirty five SSR markers selected based on their repeatability, scorability and their ability to discrete between cultivars. 35 SSR loci produced 219 alleles with high level of Polymorphism (~100 per cent). Primary allelic variability and the genetic bases of the cultivated germplasm were computed through parameters of percentage of polymorphic loci, observed number of alleles, effective number of alleles, observed heterozygosity, expected heterozygosity, fixation index and gene flow. The number of total alleles per locus varied from 3 to 10 alleles with an average of 6.25 across the genotypes. The effective number of alleles ranged between 2 to 6.25 with average value of 4.02. The observed heterozygosity ranged from 0.28 to 0.92 with average value of 0.62. The expected heterozygosity ranged from 0.53 to 0.84 average value of 0.72. The results showed the mean of Fixation index was 0.13 whereas the mean gene flow was 1.71. The mean polymorphic information content value of 0.70. The Marker index values for SSR ranged from 1.2 to 8.2 with an average of 4.46 per marker. The Resolving power values ranged from 2.4 to 3.76 with a mean of 3.17 Also, SSRs of diagnostic and curatorial importance were discerned as ‘stand alone’ molecular descriptors for bar coding the application of DNA sequences of standardized genetic markers for the identification of mango cultivars. The present study could be of much use for the introgression of new characters from cultivar to other, isolation of stable segregating markers, and selection of improved varieties and conservation of germplasm resources.

[Manal Eid and M. A. Hussein. Efficiency Parameters of SSR Markers for Characterization of Some Mango Cultivars and Their Suitability in Molecular Bar-coding. N Y Sci J 2017;10(8):68-76]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 10. doi:10.7537/marsnys100817.10.

 

Key word: Mango, SSR, DNA, fingerprinting, barcode

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Vulnerability and adaptation measures of faba bean under climate change conditions in North Nile Delta and Middle Egypt

 

El-Marsafawy, Samia M; N. G. Ainer and M. A. M. Ibrahim

 

Soil, Water and Environment Research Institute (SWERI), Agricultural research Center (ARC), Egypt

Samiaelmarsafawy797@hotmail.com

 

Abstract: This study was conducted to assess the adverse impacts of climate change on some faba bean varieties and to find out the possible options to overcome such negative impacts through adaptation strategies. A field trial was carried out during the two successive winter seasons 2010/2011 and 2011/2012 at Sakha (North Nile Delta area) and Giza (middle Egypt), agricultural research stations. Each experiment included four tested faba bean varieties; Sakha2 (V1), Sakha3 (V2), Giza3 (V3) and Giza843 (V4). The Decision Support System for Agrotechnology Transfer "DSSAT" program was run using input data in weather, soil and crop management. Simulations were carried out on data covering 25 - 30 years under the normal weather conditions and climate change conditions. The results indicated that productivity of faba bean will vary between few decrease or increase under climate change conditions. The change percent in faba bean seed yield ranged between -3 and +5 % at Sakha; and between -9 and +0.2% at Giza. Additionally crop water productivity has declined significantly under climate change conditions ranging from-4 to-12% in Sakha,-9 to-18% in Giza. Regarding adaptation strategies, the results showed that the highest seed yield under climate change was given by V4 when sown on 19th Nov. at Sakha and V1 when sown on 10th Dec. at Giza. Increasing the amount of irrigation water by 10 or 20% at Sakha site led to increase crop productivity by 3% and 6%, respectively. While reducing the amount of irrigation water 10 to 20% reduced productivity by 3 to 26%. At Giza, increasing amount 10 % could increase yield by 3 % and up to 4 % with increasing amount 20 %. However, decreasing amount of irrigation water 10 to 20 % could decrease yield from 3 % up to 12 %. Lastly, under water shortage that facing Egypt, the results showed that skipping the last irrigation has the least negative effect on marketable crop yield.

[El-Marsafawy, Samia M; N. G. Ainer and M. A. M. Ibrahim. Vulnerability and adaptation measures of faba bean under climate change conditions in North Nile Delta and Middle Egypt. N Y Sci J 2017;10(8):77-88]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 11. doi:10.7537/marsnys100817.11.

 

Keywords: Climate change, DSSAT, Adaptation options, faba bean

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The Influence of the Digital Revolution on the Architectural Trends and its Impact on the Architectural Thinking in the Beginning of the 21st Century

 

Alaa Aldeen Alsayed Fared1, Ahmed Ahmed Kamel Metwally2, Abdel Salam Ahmed Soliman3

 

1Professor of Architecture Faculty of Engineering Al Azhar University, Egypt

2Visiting Assistant Lecturer in Architectural Engineering Department–Faculty of Engineering, Obour Institute for Engineering & Technology-Cairo-A.R.E, Engineer in the New Urban Communities Authority - El-Shorouk Cairo - A.R.E

3 Architecture Faculty of Engineering Al Azhar University, Egypt

aarch2020@yahoo.com

 

Abstract: A great deal of technological changes took place in the last two decades, such as computer sciences and applications, which guaranteed the absolute domination of digital technologies above all; this was the beginning of so called digital revolution. Since architecture is very much connected to the community, it individuals and activities, there was a strong connection between contemporary architecture and digital revolution; since the architectural innovation has become integrally connected between human creativity and artificial intelligence, which is represented in tangible and intangible, and realist and virtual. Considering architectural innovation and creation processes as presented in architectural design stages, they are considered the base point of professional interest of architects. This means that architectural design has a special significance as they represent the direct product of architectural innovation and creation process, and that is why the architects pay attention to involve the available cutting edge technologies for the interest of architecture, through the development of architectural innovation and creation process and the use of digital technology and its applications for the interest of the innovation process. That is why it was necessary to study the technological effects of the digital revolution and its applications in the fields related to architecture, and the reflection of all that is on the contemporary architectural thinking, and the new architectural innovation and creation it presents. That is the field of the study.

[Alaa Aldeen Alsayed Fared, Ahmed Ahmed Kamel Metwally, Abdel Salam Ahmed Soliman. The Influence of the Digital Revolution on the Architectural Trends and its Impact on the Architectural Thinking in the Beginning of the 21st Century. N Y Sci J 2017;10(8):89-105]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 12. doi:10.7537/marsnys100817.12.

 

Keywords: New Modernity – Fractal – Intellectual Trends – Digital Revolution – Constructional Technology.

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Isolation and Characterization of Antibacterial Agent Produced by Streptomyces avermilitis, SK60-8 Active against pathogenic bacteria isolates from follicular fluid collected from Inferitility Egyptian Women

 

Enayat Mahmoud Deskouy1, Wael Refaat Hablus2, Ahmed Mohamed Ramah3, Nermine Nasr Al-Din Abed1 and Eman Abdullah Elhusseiny3

 

1Botany and Microbiology Department, Faculty of Science (Girls), Al-Azhar University-Cairo-Egypt.

2Clinical Pathology Department, Faculty of Medicine, Al-Azhar University-Cairo-Egypt.

3Assited and Reproductive Unit, International Islamic Center for Population Studies and Research (IICPSR), Al-Azhar University-Cairo-Egypt.

nermineabed67@gmail.comzizo.maadi@gmail.com

 

Abstract: Natural products have a major impact on human health during the second half of this century. During the screening program for new antimicrobial agent active against follicular fluidbacterial pathogens complaining of Egyptian Woman Infertility an antibacterial agent produced by Streptomyces avermilitis, SK60-8 isolated from a soil sample collected from Kilo 60, Seuz governorate, Egypt. In its culture supernatant, this organism could produce one major bioactive compound exhibited strong antibacterial activity against the isolated Bacterial follicular fluid pathogens. Escherichia coli ES-1, Staphylococcusaureus ES-2, Propionibacterium ES-3, lactobacillus Acidophilus ES-4, lactobacillus plantarum ES-5, lactobacillus ruminis ES-6, lactobacillusparacasei ES-7, Streptococcus agalactiae ES-8, Enterococcus faecalis ES-9, Enterococcus hirae ES-10, & Proteus mirabilis ES-11; with mean diameter of inhibition zone 28.0, 30.0, 26.0, 20, 25.0,22.0,25.0,21.0,25.0,22.0 and 19.0 mm respectively, these activities were found to be similar to that of ofloxacin, antibiotic and it had a better therapeutic effect among the antibiotics tested. The active compound was separated by silicagel column chromatography and then purified on sephadex LH-20 column. The physico-chemical characteristics of the active agent viz. color, melting point, solubility and spectroscopic characteristics (UV, FTIR, Mass and 1HNMR spectra and elemental analysis) have been investigated. These analyses indicate a suggested empirical formula of C20H17CIF21N3O3S. The purified compound was found to be belonging to macrolide antibiotics and identified as a derivative of Monbactams. Although this antibiotic is known, the newly isolated strain was able to produce the antibiotic as a major product providing an important biotechnological downstream advantage.

[Enayat Mahmoud Deskouy, Wael Refaat Hablas, Ahmed Mohamed Ramah, Nermine Nasr Al-Din  and Eman Abdullah Elhusseiny. Isolation and Characterization of Antibacterial Agent Produced by Streptomyces avermilitis, SK60-8 Active against pathogenic bacteria isolates from follicular fluid collected from Inferitility Egyptian Women. N Y Sci J 2017;10(8):106-112]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 13. doi:10.7537/marsnys100817.13.

 

Keywords: Streptomyces avermilitis, SK60-8, follicular fluid, antibacterial antibiotic, ofloxacin.

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14

3D Geomechanical Earth Model Based on Well Logs in Edfu and Saqqara Fields, Gulf of Suez, Egypt

 

Esam A. Gawad1, Ali E. Farag2, Mohamed A. Elkhawaga3, Wael K. Abdelghany3, Radwan A. E3

 

1Geology Department, Faculty of Science, Al-Azhar University, Egypt

2Freelance prof. of Practice, Cairo University, Egypt

3Geomechanic Specialist Gulf of Suez Petroleum Company (GUPCO), Egypt

khawagama@gupco.net

 

Abstract: The understanding of the geomechanical properties is becoming increasingly important to both drilling and completion operations. Actually, the optimum well design requires, understanding of pore pressures, fracture pressure and stresses magnitude and directions. The paper addresses performing and distribution of 3D geomechanical properties model using PETREL software to reduce and mitigate the drilling hazards. The study includes detailed workflow including two pivots; the first is data preparation and calculation through 1D models. These data include, complete pore pressure calculation, compute the principle stress magnitudes and geomechanical models. This part is achieved using TECHLOG software. The second step includes the distribution the property through the 3D structural and facies models. The output including 3D cubes of well logs (GR, RHOB and DT), principle stresses (vertical stress, maximum and minimum horizontal stress), interpreted pore pressure, fracture pressure and finally mechanical earth model (Young’s modulus, shear modulus, bulks modulus, Poisson’s ratio, Compressive strength). Prior this step, 3D structural and facies models are built to ensure well and accurate distribution of these properties through the model. The resulting of the mechanical earth model helps effectively to improve the wellbore stability predictions. It provides well path optimization through safe mud weight window to prevent or minimize formation fluid influx, shear failure and drilling fluid loss during drilling, and a target well that is optimally aligned for completion operations.

[Esam A. Gawad, Ali E. Farag, Mohamed A. Elkhawaga, Wael K. Abdelghany, Radwan A. E. 3D Geomechanical Earth Model Based on Well Logs in Edfu and Saqqara Fields, Gulf of Suez, Egypt. N Y Sci J 2017;10(8):113-129]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 14. doi:10.7537/marsnys100817.14.

 

Keywords: Mechanical Earth Model, 3D Pore Pressure; Edfu Oil Field; Saqqara Oil Field; Gulf of Suez

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15

Clinical Audit on Management of Neonatal Convulsion in Neonatology Unit of Assuit University Pediatric Hospital

 

Hager A. Zaky, Ahmed G. Asker, and Mostafa S. Khalaf

 

Pediatrics Department, Faculty of Medicine, Assiut University, Egypt

miss.hagerahmed@gmail.com

 

Abstract: Objective: Is to investigate how much the protocol of diagnosis and management of neonatal convulsions is practically implemented in the NICU of AUCH. Methods: The target population of this retrospective study were all neonates who were admitted to NICU with neonatal seizures during the period between the first of January 2015 to 31th of December 2015. The study included all newborn infants with convulsions occurring during the neonatal period, within the first 4 weeks of life. Cases of neonatal convulsions were diagnosed according to clinical suspicion from history, physical examination, neurological examination and laboratory investigation. Results: The study included 175 patients with neonatal convulsions. 117 cases were males and 58 were females. Data of the study showed that AUCH partially followed the reference standard of the study.

[Hager A. Zaky, Ahmed G. Asker, and Mostafa S. Khalaf. Clinical Audit on Management of Neonatal Convulsion in Neonatology Unit of Assuit University Pediatric Hospital. N Y Sci J 2017;10(8):130-135]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 15. doi:10.7537/marsnys100817.15.

 

Keywords: Neonatal Convulsion, Seizures, NICU.

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Define the Geopressure Ramps Based on Well Logs in Edfu and Saqqara Oil Fields, Gulf of Suez- Egypt

 

Esam A. Gawad1, Ali E. Farag2, Mohamed A. Elkhawaga3, Wael K. Abdelghany3, Radwan A.E3

 

1Geology Department, Faculty of Science, Al-Azhar University, Egypt

2Freelance prof. of Practice, Cairo University, Egypt

3Geomechanic Specialist Gulf of Suez Petroleum Company (GUPCO), Egypt

khawagama@gupco.net

 

Abstract: The understanding of the abnormal pore pressure is becoming increasingly important to both drilling and completion operations. Actually, the optimum well design requires, understanding of pore pressures, fracture pressure. If the abnormal pressures are not accurately predicted prior to drilling, catastrophic incidents could occur as kicks, well blowouts and well pack off. The high rates of sedimentation in Edfu and Saqqara especially through the Miocene time has created state of disequilibrium compaction that finally lead to the development of overpressure through certain horizons. The paper addresses defining the geopressure horizons in addition to the magnitudes of these abnormal pressures. Using datasets of five wells (three in Edfu field and two in Saqqara field) including well logs data (GR, resistivity and Sonic) and well site reports that including detailed about drilling problems are used to calculate and calibrate the pore pressure. In the paper, Eaton's resistivity and sonic methods are used for pore pressure calculation with some modification in the Eaton exponent to be fit in the area of interest. In Eaton method, the pore pressure calculated based on the primary generation of the overpressure deflection than the normal compaction trend due to the compaction disequilibrium and effective stress theory. Edfu and Saqqara fields are case studies in the GOS region illustrate how to define the horizons of the geopressure and to improve pore pressure prediction in sedimentary formations.

[Esam A. Gawad, Ali E. Farag, Mohamed A. Elkhawaga, Wael K. Abdelghany, Radwan A.E. Define the Geopressure Ramps Based on Well Logs in Edfu and Saqqara Oil Fields, Gulf of Suez- Egypt. N Y Sci J 2017;10(8):136-149]. ISSN 1554-0200 (print); ISSN 2375-723X (online). http://www.sciencepub.net/newyork. 16. doi:10.7537/marsnys100817.16.

 

Keywords: Geopressure Ramps; Pore Pressure; Edfu Oil Field; Saqqara Oil Field; Gulf of Suez

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The manuscripts in this issue were presented as online first for peer-review, starting from June 9, 2017. 

 All comments are welcome: newyorksci@sciencepub.net, or contact the authors directly.

For back issues of the New York Science Journal, click here.

Emails:  newyorksci@sciencepub.net; editor@sciencepub.net

Website: http://www.sciencepub.net/newyork

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