نتایج جستجو برای: pure strain

تعداد نتایج: 310106  

2014
Parisa Tajer Mohammad Ghazvini Rouha Kasra Kermanshahi Ahmad Nozad Golikand Majid Sadeghizadeh

BACKGROUND Magnetotactic bacteria (MTB) have the ability to biomineralize unique intracellular magnetic nanosize particles. These bacteria and their magnetosomes are under special attraction because of their great useful potential in nano-biotechnological and biomedical applications. MTB are ubiquitous in aquatic environments, but their isolation and axenic cultivation in pure culture is very d...

2015
Hirotsugu Fujitani Asami Kumagai Norisuke Ushiki Kengo Momiuchi Satoshi Tsuneda

Nitrification is a key process in the biogeochemical nitrogen cycle and biological wastewater treatment that consists of two stepwise reactions, ammonia oxidation by ammonia-oxidizing bacteria (AOB) or archaea followed by nitrite oxidation by nitrite-oxidizing bacteria. One of the representatives of the AOB group is Nitrosomonas mobilis species. Although a few pure strains of this species have ...

Journal: :Microbiology 2000
B Villarreal-Ramos J M Manser R A Collins V Chance D Eckersall P W Jones G Dougan

Salmonella typhimurium 4/74 is highly virulent for cattle after oral challenge, causing severe diarrhoea, which is sometimes associated with systemic spread of the micro-organism. Although susceptible to oral challenge, groups of cattle were found to be relatively resistant to subcutaneous challenge with this strain. The virulence of S. typhimurium 4/74 harbouring mutations in htrA and purE was...

2015
S. LAKSHMANA PERUMAL

Pure ZnO and Sr doped ZnO nanoparticles are synthesized via Co-precipitation method using Zinc acetate dehydrate Zn (CH3COO)2. 2H2O, Strontium acetate Sr (CH3COO)2, as source materials. The influence of Sr dopants contents on the morphology, absorption, emission, and photocatalytic activity of ZnO synthesized nanoparticles was investigated systematically. The photocatalytic activity of pure and...

Journal: :Kokubyo Gakkai zasshi. The Journal of the Stomatological Society, Japan 1990
M Ito

The mechanical properties of the Akers type clasp, bar and frame made by the newly developed Ti-20Cr-0.2Si alloy were studied in order to obtain the indices for designing the cast partial denture base. In the case of the clasp, the bending strength of the Ti-20Cr-0.2Si alloy and pure Ti was lower than that of the Co-Cr alloy. The Ti-20Cr-0.2Si alloy and pure Ti may have the same retentive force...

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