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Articles by K.N. Babu
Total Records ( 2 ) for K.N. Babu
  A.K. Kumar , M. Chalamaiah , R.R. Kumar and K.N. Babu
  In this study, preliminary investigations on biotransformation of under utilized Moringa oleifera and Citrullus lanatus seed oils were carried out using baker’s yeast (Saccharomyces cerevisiae). Biotransformation reactions were performed for 48 h using baker’s yeast with M. oleifera or C. lanatus seed oil (experimental) and without yeast (control) in nutrient broth medium. After 48 h, products were extracted with hexane. The transformation of Moringa oleifera and Citrullus lanatus seed oils was identified by High Performance Thin Layer Chromatography (HPTLC). The HPTLC peaks demonstrated that the baker’s yeast transformed the M. oleifera and C. lanatus seed oils into other metabolites. These results reveal that the drumstick and watermelon seed oils can be used to transform into other metabolites, which may be useful as starting materials for the synthesis of other specialty chemicals.
  V.S. Sudhanandh , S. Amaldev and K.N. Babu
  Occurrence and distribution of Vibrio cholerae (VC) with respect to different abiotic environmental factors were studied for a period of three year from 2003-2005 and interpreted using Principal component analysis and Pearson correlation. Study reveals the serious dimensions of increase in VC population (2.67% in 2003, 5.33% in 2004 and 92% in 2005 in Mangalore) over the years. Among all stations, Kochi and Mangalore seems to be highly polluted. The PCA extracted four significant main components explains more than 75% of the variance. Of them the most contributing descriptors in the first PC (24.29%) were total nitrogen, silicate, temperature and V.cholerae. On the other hand V. cholerae showed significant positive correlation against temperature (0.01 levels) and also with total nitrogen and silicate (0.05 levels). Component plot showed that variables have tendency to accumulate into three distinct groups. V. cholerae and temperature belongs to one group and nutrients on the other group, which indicate that temperature and nutrients are the major factor governing the distribution of V. cholerae. The result of the study provides insight into the ecology of this aquatic species and is potentially important to the understanding of the epidemiology of cholerae on a global scale.
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