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Potential of plant polyphenol oxidases in the decolorization and removal of textile and non-textile dyes

Journal of Environmental Sciences 2007年第4期19卷 396-402页

作者： AMJAD ALI Khan qayyum husain Department of Biochemistry Faculty of Life Science Aligarh Muslim UniversityAligarh-202 002India.

In this study an effort has been made to use plant polyphenol oxidases; potato （Solanum tuberosum） and brinjal （Solanum melongena）, for the treatment of various important dyes used in textile and other industries. The ammonium sulphate fractionated enzyme preparations were used to treat a number of dyes under various experimental conditions. Majority of the treated dyes were maximally decolorized at pH 3.0. Some of the dyes were quickly decolorized whereas others were marginally decolorized. The initial first hour was sufficient for the maximum decolorization of dyes. The rate of decolorization was quite slow on long treatment of dyes. Enhancement in the dye decolorization was noticed on increasing the concentration of enzymes. The complex mixtures of dyes were treated with both preparations of polyphenol oxidases in the buffers of varying pH values. Potato polyphenol oxidase was significantly more effective in decolorizing the dyes to higher extent as compared to the enzyme obtained from brinjal polyphenol oxidase. Decolorization of dyes and their mixtures, followed by the formation of an insoluble precipitate, which could be easily removed simply by centrifugation.

关键词： decolorization textile dyes polyphenol oxidases potato brinjal wastewater treatment removal of dyes

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Correlation of Serum C-Reactive Protein with Disease Severity in Tuberculosis Patients

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Open Journal of Respiratory Diseases 2012年第4期2卷 95-100页

作者： Mohammad Shameem Nazish Fatima Asrar Ahmad Abida Malik qayyum husain Department of Biochemistry Faculty of Life Sciences Aligarh Muslim University Aligarh India Department of Microbiology Jawaharlal Nehru Medical College Aligarh Muslim University Aligarh India Department of Tuberculosis and Chest Diseases Jawaharlal Nehru Medical College Aligarh Muslim University Aligarh India

Purpose: To study the factors influencing sputum smear conversion including Serum C-Reactive Protein (CRP) and its correlation with disease severity in tuberculosis patients. Method: Levels of Serum-CRP concentrations were deter-mined in 60 patients with pulmonary tuberculosis, 30 healthy volunteers and patients in follow-up after completion of antitubercular treatment (DOTS therapy). Results: Serum-CRP levels were found to be significantly higher in smear-positive group as compared with the follow-up patients and smear-negative control group. The values were 43.65 ± 23.68, 9.88 ± 5.23 and 4.04 ± 3.85 mg/L respectively (P Conclusion: Serum-CRP levels are significantly correlated with disease severity in patients with active pulmonary tuberculosis. Thus these findings from the present study would certainly add new criteria for early diagnosis of TB, which may lead to development of new strategies to treat TB.

关键词： Acid Fast Bacilli Serum C-Reactive Protein Tuberculosis Directly Observed Therapy Short-Course

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