نتایج جستجو برای: nitrite ion
تعداد نتایج: 213745 فیلتر نتایج به سال:
Solution of the phase problem is central to crystallographic structure determination. Conventional molecular-replacement methods are ineffective in the absence of knowledge of the structure of a homologous protein. A recent method utilizing the low-resolution molecular shape determined from solution X-ray scattering data has been shown to be successful in locating the molecular shape within the...
Correction for 'Modifying a known gelator scaffold for nitrite detection' by Danielle M. Zurcher et al., Chem. Commun., 2014, 50, 7813-7816.
We explored relationships of water quality parameters with landscape pattern metrics (LPMs), land use-land cover (LULC) proportions, and the advanced very high resolution radiometer (AVHRR) normalized difference vegetation index (NDVI) or NDVI-derived metrics. Stream sites (271) in Nebraska, Kansas, and Missouri were sampled for water quality parameters, the index of biotic integrity, and a hab...
The reaction of nitrite ion with ascorbic acid and its effect on the rate of nitrosation of secondary amines have been investigated by differential pulse polarography in aqueous acidic solution. Ascorbic acid shows nonuniform behavior: it accelerates the nitrosation of N-methylaniline between pH 1.00 and 1.95, allows the nitrosation of diphenylamine and iminodiacetonitrile, but inhibits the nit...
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Published pmoA primers do not match the pmoA sequence of "Candidatus Methylomirabilis oxyfera," a bacterium that performs nitrite-dependent anaerobic methane oxidation. Therefore, new pmoA primers for the detection of "Ca. Methylomirabilis oxyfera"-like methanotrophs were developed and successfully tested on freshwater samples from different habitats. These primers expand existing molecular too...
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