نتایج جستجو برای: cup plate assay
تعداد نتایج: 302561 فیلتر نتایج به سال:
Bordetella pertussis produces a protein virulence factor termed pertussis toxin. Many candidate pertussis vaccines are based on the rationale that an immune response that neutralizes the virulence activities of this toxin, which are thought to arise from its catalytic ADP-ribosyltransferase activity, would be beneficial. The report describes two methods that quantify the inhibition of this acti...
The classic plaque assay is a method for counting infectious viral particles, however its complexity limits its use in a variety of virological experiments. To simplify the operation and to improve the repeatability, we employed an improved plaque assay procedure based on Avicel to make the whole experiment easier and optimize the results on a model of Vero cells infection with Enterovirus 71(E...
Recently, we reported a SOMAmer-based, highly multiplexed assay for the purpose of biomarker identification. To enable seamless transition from highly multiplexed biomarker discovery assays to a format suitable and convenient for diagnostic and life-science applications, we developed a streamlined, plate-based version of the assay. The plate-based version of the assay is robust, sensitive (sub-...
The aim of the present study was to evaluate the ability of Porphyromonas gingivalis to degrade hyaluronic acid. No hyaluronidase activity was detected using a turbidimetric method, whereas a standard plate assay showed a positive reaction for P. gingivalis. We postulated that the high proteolytic activity of P. gingivalis may account for this observation. A modified plate assay was designed to...
We present a method for detecting the presence of Mycoplasma genitalium, Mycoplasma hominis, Ureaplasma parvum, and Ureaplasma urealyticum organisms, which are thought to be associated with nongonococcal urethritis (NGU) and other genitourinary infections, in clinical samples. This method consists of PCR amplification of a part of the 16S rRNA gene followed by 96-well microtiter plate hybridiza...
Indirect plate enzyme-linked immunosorbent assay was standardized and evaluated for its effectivenessin immunodiagnosis of haemonchosis in experimental and clinical cases in sheep by using somatic wholeadult antigen of H. contortus. Plate ELISA was standardized using 5 μg/well antigen concentration with1:100 and 1:1000 of sera and conjugate dilution. Indirect plate ELISA was able to demonstrate...
A biofilm is an aggregate of microorganisms in which cells adhere to each other on a surface. The biofilm forming capacity of five isolate of streptococcus species were tested by microtitre plate assay. The assay was optimized in LB broth for 48h incubation, fixing of cells by heat and staining using solubilizing solution. The optimized microtitre plate assay can be effectively used for the ass...
In order to have antibacterial, analgesic and anti-inflammatory activity in the same molecule, 4-[1-oxo-3- (substituted aryl)-2-propenyl]-3-(4-chlorophenyl) sydnones were synthesized by condensing 4-acetyl-3-(4-chlorophenyl)sydnone with various substituted aryl aldehydes and characterized by spectral studies; 4-acetyl-3-(4-chlorophenyl)sydnone itself, was prepared by acetylation of 3-(4-chlorop...
The oil obtained from Sida cordifolia seeds were found to possess anti microbial activity against E. coli, Staphylococcus aureus, Candida albicans and Aspergillus niger by using cup-plate method This property was comparable with standard drug norfloxacin and griseofulvin disc. Petroleum ether extract of Sida cordifolia seeds also possess anti-inflammatory activity against carrageenan induced pa...
In vitro antibacterial and antifungal activity of the chloroform extracts of the root and the stem of Andrographis paniculata at different concentrations were screened against gram positive bacteria Staphylococcus aureus, Bacillus subtilis, gram negative bacteria Escherichia coli, Proteus vulgaris and fungi Aspergillus niger, Penicillium chrysogenum by cup plate method. The extracts were found ...
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