Ayyagari Laxminarasimha Rao

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INTRODUCTION A sensitive and rapid method for quantitation of Sofosbuvir in human plasma has been established using ultra performance liquid chromatography-electrospray ionization tandem mass spectrometry (UPLC-ESI-MS/MS). MATERIALS AND METHODS Sofosbuvir d3 was used as an internal standard. Sofosbuvir and internal standard in plasma sample were extracted(More)
Floodwater and the surface of soil provide the sites for aerobic phototrophic nitrogen (N) fixation by free-living cyanobacteria and theAzolla-Anabaena symbiotic N2-fixing complex. Free-living cyanobacteria, the majority of which are heterocystous and nitrogen fixing, contribute an average of 20–30 kg N ha-1, whereas the value is up to 600 kg ha-1 for(More)
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