نتایج جستجو برای: cup plate method
تعداد نتایج: 1698831 فیلتر نتایج به سال:
introduction : in the recent years, due to the wide spread of resistant bacteria on one side and several different reports about the side effects of chemical drugs on the other side, vast researches on the medicinal plants have been started. in this study, antimicrobial effect of total extract of tribulus terrestris l . and its fraction containing benzoxazine derivative (terresoxazine) was stud...
the effect of the presence of perforations on he stresses of a plate is a problem which is of great interest in structural design and in the mathemattical theory of elasticity. among the many hole patterns that are likely to require consideration is the ring of equally spaced circular holes. the present worke investigates stress & strain analysis of a thin isotropic circular plate containing a ...
Official Circular 198 (Ruehle and Brewer, 1931) gives directions for performing the agar cup-plate test. However, in the limited literature dealing with the subject, no mention is made of the influence of varying the volume of agar, the amount of inoculum, the hydrogen ion concentration or other factors. In the course of other studies with the agar cup-plate method (Rose and Miller, 1939; Mille...
A pyrimidne nucleobase, 5-phenylthio-2,4-bisbenzyloxypyrimidine and its analogs were synthesized and scanned for in vitro antifungal activity using cup-plate and macrobroth dilution method against Candida albicans, Aspergillus niger, Aspergillus flavus and Aspergllus fumigatus. In the cup-plate method, 5-phenylthio-2,4-bisbenzyloxypyrimidine showed very good antifungal activity compared to clot...
We systematize and review the mathematical models for use in oscillating-cup viscometry to solve different problems: analysis of fluid flow viscometer oscillations, estimation rheological constants density, study without taking into account traditional assumptions this method. The full model cup bob a oscillating-plate are also considered.
rheum ribes is among the polygonaceae family which is endemic in iran and a few neighboring countries. in this investigation, antibacterial effects of root, stalk and leaves extracts of rheum ribes on a few common clinical isolates of gram negative pathogens were studied, using the cup plate and paper disc methods. gram negative microorganisms studied were escherichia coli, klebsiella pneumonia...
thirty-five fungal strains which isolated from vegetable wastes, were screened for the use of polygalacturonic acid as the sole carbon source. twenty-five isolates were positive for polygalacturonase activity in cup-plate assay, as evidenced by clear hydrolysation zones. the most productive strain was determined by measuring clear zones formed around colonies stained with ruthenium red. the hig...
background & objectives: helicobacter pylori (hp) is related to gastritis, gastric ulcer, duodenal ulcer, and mucosal carcinoma. emergence of multidrug resistant hp strains encouraged the researchers to find new effective drugs. especially medicinal herbs and plants which usually shows less side effects. the aim of this study was in vitro assessment of anti hp activity of total extract of trib...
Pregnant rats were treated intraperitoneally with a single dose of methotrexate (MTX) 90 mg/kg on gestation day (GD) 13, and fetal eyeballs were examined time-dependently from GD 13.5 to 15.5. Throughout the experimental period, the inner plate of the ocular cup in the MTX group was significantly thinner than that in the control group. In the inner plate of the ocular cup on GD 15 and 15.5, whe...
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