Chandana Kalita

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A new antitumor antibiotic, fredericamycin A (FCRC-A48, NSC-305263), has been isolated from a strain of Streptomyces griseus (FCRC-48). Based on its unique ultraviolet-visible spectrum, infrared spectrum, proton and carbon-13 nuclear magnetic resonance spectra and mass spectra, it is judged to be a novel acid-base indicator type of compound. Its production,(More)
Ornithine-oxo-acid aminotransferase (EC 2.6.1.13) from rat kidney was prepared as a single homogeneous protein as judged by polyacrylamide gel electrophoresis, ultracentrifuge analysis and double diffusion precipitin test. Content of pyridoxal phosphate, light absorption spectra, circular dicroism spectra, Km values, inhibitors, and electrophoretic(More)
In addition to their use as food and spice, chillies have been popular in both Ayurvedic and homoeopathic treatments since ancient times. Elemental analyses on their seeds with the help of X-ray fluorescence spectra reveal the presence of hitherto undetected magnesium, along with sulphur and chlorine. Fourier transform infrared and Fourier transform Raman(More)
The Enterococcus flora of duck intestines consisted of E faecalis and E faecium in ducklings less than eight weeks old and E faecalis, E faecium and E gallinarum in ducks more than eight weeks old. The enterococci were resistant to several antibiotics; chloramphenicol and gentamycin sulphate were the only antibiotics of those tested which were moderately(More)
BACKGROUND Apical periodontitis (AP) is one of the most prevalent diseases of the teeth. Treatment of AP is based on the removal of the cause, i.e., bacteria from the root canals. Achievement of adequate bacterial eradication in one appointment treatment remains a controversy. AIM This prospective study was conducted with the objective to compare the(More)