المستودع الرقمي لـكلية الطب البيطري

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    وثيقة

Relationship between ATP-induced membrane potential and contraction in smooth muscle of chicken anterior mesenteric artery

ATP-induced membrane potential and contraction in smooth muscle of chicken anterior mesenteric artery arabic 15 English 107
Marwan Draid(8-2011)
موقع المنشور

Suppressive effect of sulphadimidine on expression of major histocompatibility complex (MHC) in broiler chicken

major histocompatibility complex (MHC) arabic 15 English 96
Marwan Draid(7-2013)
موقع المنشور

NANC inhibitory neuromuscular transmission in the hamster distal colon

The neurotransmitter(s) that generate the inhibitory junctional potential (IJP) in the circular muscle of hamster distal colon and their mechanisms have not been elucidated. The aim of the present study, therefore, was to determine the contributing roles of the non-adrenergic, non-cholinergic (NANC) inhibitory transmitter(s) including nitric oxide (NO), adenosine 5′-triphosphate (ATP) and vasoactive intestinal polypeptide (VIP) in the generation of IJP in the hamster distal colon. For this purpose, the effects of the corresponding blockers of these putative NANC inhibitory mediators have been investigated using microelectrode technique. arabic 8 English 62
M. Draid(12-2006)
موقع المنشور

Purinergic control of the quail rectum: Modulation of adenosine 5′-triphosphate-mediated contraction with acetylcholine

Electrical field stimulation (EFS) induces frequency-dependent contractions of the longitudinal muscle of isolated quail rectum which were sensitive to tetrodotoxin. The aim of the present study was to investigate whether purinergic neurons are implicated in the response to nerve stimulation. arabic 18 English 103
M. Draid(4-2007)

Neurally released ATP mediates endothelium-dependent hyperpolarization in the circular smooth muscle cells of chicken anterior mesenteric artery

The object of the present study was to clarify the neurotransmitter(s) controlling membrane responses to electrical field stimulation (EFS) in the circular smooth muscle cells of first-order branches of chicken anterior mesenteric artery. arabic 17 English 127
Marwan Draid(12-2005)
موقع المنشور

Lung Function Impact from Working in the Pre-Revolution Libyan Quarry Industry

The purpose of this study was to determine the lung impact from working within the Libyan quarry industry, and if the length of work impacted the degree of degradation. arabic 11 English 67
Marwan M. Draid(5-2015)
موقع المنشور

Identification of phenolic compounds, antibacterial and antioxidant activities of raisin extracts

In this study, antibacterial, antioxidant and phenolic compounds of raisin extracts was evaluated. Different solvent extraction methods were utilized to extract phenolic compounds from raisin. The phenolic compounds of raisin extracts was determined using HPLC and three compounds were found, catechin, quercetin and rutin. The antibacterial activity of the acetonic extract was tested against four bacterial pathogens viz. Staphylococcus aureus, Pseudomonas aeroginosa, Salmonella typhimurium and Escherichia coli using both disk diffusion and minimum inhibitory concentration (MIC) methods. The acetonic extract exhibited the highest activity against Staphylococcus aureus with zone of inhibition of 14mm and the MIC of 25 mg/ml. However, there was a little activity against E. coli and S. typhimurium. The methanolic extract showed good antioxidant activity as indicated by 2,2-diphenyl-1-picrylhydrazyl free radical assay (DPPH). In conclusion, raisin contains potent phenolic compounds and their application might function as promising natural preservative and antimicrobial agents in food industry and also good antioxidant food that helps to minimize the risk of degenerative diseases. arabic 11 English 86
Abdulgader Dhawi Alfitouri Dhawi(1-2021)

A Study of Bacterial Contamination on Libyan Paper Banknotes in Circulation

Paper currency is one of the potential vectors to transmit diseases, since banknotes continuously pass through different hands, as a medium of exchange, which increases the possibility of transferring pathogenic microorganisms and thus cross contamination. This study was carried out on one hundred and ninety-eight paper currency notes that were collected randomly in the city of Tripoli, Libya, from different communities namely, petrol and gas stations, supermarkets, mini markets, cafeterias and fast food restaurants, etc. The samples consist of four pieces, each of currency (Dirham) denominations (250, 500, 1.000 and 5.000 notes). Conventional and current microbiological techniques were used in order to isolate and identify the species of microorganisms that resulted in the following percentages: Enterobacter agglomerans 19%, Pseudomonas spp. 16%, S. aureus, Enterobacter cloacae 11%, Klebsiella pneumonia 11% and E. coli 10%. These results indicate that Libyan banknotes are commonly contaminated with pathogenic bacteria, which have the possibility of spreading human diseases. Higher denomination currency showed lower contamination. Consequently, great care should be taken during the handling of money for the safety of human health. arabic 10 English 65
Abdulgader Dhawi Alfitouri Dhawi(1-2021)