Jitender P. Sharma

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An improved extraction procedure for the determination of oxytetracycline, tetracycline and chlortetracycline in urine, plasma and tissues by high-performance liquid chromatography is described. The addition of phenylbutazone (3,5-dioxo-1,2-diphenyl-4-n-butylpyrazolidine) to water, urine or plasma enhances the extraction of these compounds by ethyl acetate.(More)
To check the suitability of enzyme entrapped beads for use in pharmaceutical industry, amylase enzyme was entrapped in agar/agarose, polyacrylamide gels and calcium alginate beads. Sodium alginate of 1% concentration was found to be best with respect to immobilization efficiency and calcium alginate beads so obtained were not much susceptible to breakage.(More)
In this paper we have performed second order normalization in the generalized photogravitaional restricted three body problem with Poynting-Robertson drag. We have performed Birkhoff’s normalization of the Hamiltonian. For this we have utilised Henrard’s method and expanded the coordinates of the third body in Double d’Alembert series. We have found the(More)
A high-pressure liquid chromatographic method for the separation and quantitative determination of sulfamethazine, sulfathiazole, and their N4-acetylated metabolites on an amino-bonded reversed-phase column was developed. The method is suitable for the analysis of these compounds in pure solutions as well as in cattle urine. Retention times were(More)
The high-performance liquid chromatographic separation and quantitative analysis of oxytetracycline, tetracycline, and chlortetracycline from urine and plasma were effected on an octadecylsilane reversed-phase packing. The calcium complexes of the tetracyclines were extracted from urine and plasma with ethylacetate and then reextracted into hydrochloric(More)
We have performed normalization of Hamiltonian in the generalized photogravitational restricted three body problem with Poynting-Robertson drag. In this problem we have taken bigger primary as source of radiation and smaller primary as an oblate spheroid. Wittaker method is used to transform the second order part of the Hamiltonian into the normal form.
The upturn of viscose fiber market has triggered an augmented dissolving pulp usage over the last decade. Dissolving pulp is feasible to obtain from kraft pulp after two essential steps including hemicellulose removal and subsequent pulp activation. Prerequisite of conversion being hemicellulose reduction can be gently done by using xylanase treatment prior(More)
A simple and rapid method has been developed for the determination of milligram amounts of aromatic amines and phenols. An aliquot containing 2-4 mg of sample is dissolved in a mixture of hydrochloric and acetic acids and allowed to react with N-bromo-succinimide, the excess of which is determined iodometrically after the reaction is over. The reaction time(More)
The fecundity of two hillstream fishes, Garra lamta and G. gotyla gotyla, is related to their total body length (L), total body weight (W), ovary length (X) and ovary weight (V). The relationships to L, W, X and V were all linear. The correlation coefficient values (r) showed that total body length and total body weight were the best indices in fecundity(More)