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- May 2019
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shodhganga.inflibnet.ac.in shodhganga.inflibnet.ac.in
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Lysis Buffer: 0.1% Triton X-100/0.1 M Tris-HCl (pH 8.0). 450 ml distilled water 50 ml 1M Tris-HCl (pH 8.0) 0.5 ml Triton X-100 detergent • 100X Mg++ solution: 0.1 M magnesium chloride 4.5 M 2-mercaptoethanol Stored at 4°C. • 0.1 M sodium phosphate (pH 7.5)41 ml 0.2 M Na2HPO4 9 ml 0.2 M Na H2PO4 50 ml distilled water • 4 mg/ml ONPG (o-nitrophenyl-β-D-galactopyranoside) in 0.1 M sodium phosphate (pH 7.5) containing 2 mM β-mercaptoethanol, Stored at –20°C. • 0.1 mg/ml β-gal standard: 0.1 mg/ml β-gal in 0.1 M sodium phosphate (pH 7.5) containing 2 mM 2-mercaptoethanol Stored at 4°C. • 1 M sodium carbonate in water
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