نتایج جستجو برای: neuraminidase enzyme
تعداد نتایج: 246210 فیلتر نتایج به سال:
Objective(s) Some properties of neuraminidase produced by Pseudomonas aeruginosa PAO1 growth in a defined medium (BHI) were examined and evaluated for its features. Materials and Methods The obtained supernatant enzyme of P. aeruginosa PAO1 cultures was used in a sensitive fluorometric assay by using 2'-(4-methylumbelliferyl) a-D-N acetylneuraminic acid as substrate. As hydrolyzing MUN with ...
objective(s) some properties of neuraminidase produced by pseudomonas aeruginosa pao1 growth in a defined medium (bhi) were examined and evaluated for its features. materials and methods the obtained supernatant enzyme of p. aeruginosa pao1 cultures was used in a sensitive fluorometric assay by using 2'-(4-methylumbelliferyl) a-d-n acetylneuraminic acid as substrate. as hydrolyzing mun wit...
To detect the presence of infectious bronchitis virus (IBV) in infected allantoic fluid (AF) of SPF embryonated eggs rapid hemagglutination (HA) activity after treatment with neuraminidase enzyme was used. Twenty IBV suspected materials were inoculated in SPF embryonated eggs via chorioallantoic cavity. Harvested AFs were treated with neuraminidase enzyme and the presence of IBV was detected by...
to detect the presence of infectious bronchitis virus (ibv) in infected allantoic fluid (af) of spf embryonated eggs rapid hemagglutination (ha) activity after treatment with neuraminidase enzyme was used. twenty ibv suspected materials were inoculated in spf embryonated eggs via chorioallantoic cavity. harvested afs were treated with neuraminidase enzyme and the presence of ibv was detected by...
The urgent need of neuraminidase inhibitors (NI) has provided an impetus for understanding the structure requisite at molecular level. Our search for selective inhibitors of neuraminidase has led to the identification of pharmacophoric requirements at various positions around acyl thiourea pharmacophore. The main objective of present study is to develop selective NI, with least toxicity and dru...
background and objectives: the properties of neuraminidase produced by p. aeruginosa strain pao1 during growth in a defined medium (bhi) was examined and compared with some neuraminidase features of k. pneumoniae in this investigation. materials and methods: the enzyme was isolated from concentrated culture supernatants of p. aeruginosa which was used in a sensitive fluorometric assay by using ...
The urgent need of neuraminidase inhibitors (NI) has provided an impetus for understanding the structure requisite at molecular level. Our search for selective inhibitors of neuraminidase has led to the identification of pharmacophoric requirements at various positions around acyl thiourea pharmacophore. The main objective of present study is to develop selective NI, with least toxicity and dru...
We purified the neuraminidase (sialidase, acylneuraminyl hydrolase, EC 3.2.1.18) from the protozoan parasite Trypanosoma cruzi, strain Y, and examined the developmental regulation of the enzyme. The detectable amount of enzyme activity increased 10- to 20-fold upon conversion of the parasite from the noninfectious epimastigote form to the infectious trypomastigote form. The enzyme was purified ...
the urgent need of neuraminidase inhibitors (ni) has provided an impetus for understanding the structure requisite at molecular level. our search for selective inhibitors of neuraminidase has led to the identification of pharmacophoric requirements at various positions around acyl thiourea pharmacophore. the main objective of present study is to develop selective ni, with least toxicity and dru...
Kelly, R. T. (Marquette University School of Medicine, Milwaukee, Wis.), D. Greiff, and S. Farmer. Neuraminidase activity in Diplococcus pneumoniae. J. Bacteriol. 91:601-603. 1966.-A method for the quantitation of neuraminidase in the presence of N-acetylneuraminic acid aldolase is described. The neuraminidase content of Diplococcus pneumoniae was found to be dependent on the media employed for...
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