Lake Van fish

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Impacts of some metal ions on glutathione s-transferase in the liver of Chalcalburnus tarichi: an endemic species of Lake Van

In this study, we determined the in vitro inhibitory effects of metal ions such as Cu2+, Cd2+, Ag+, and Co2+ on GST enzyme activity. For this aim, GST was purified from C. tarichi Pallas liver with 37.36% yield and 29.304 EU/mg specific activity using the chromatographic method. The Vmax values of liver GST were determined for CDNB and GSH to be 1.245 and 0.562 EU/mL, respectively, and the Km values were found 0.89 and 0.06 mM, respectively, using the Lineweaver–Burk plot.

8p lyhuyenthu 31-01-2023 3 2 Download

Purification and characterization of NADPH-cytochrome P450 reductase from Lake Van fish liver microsomes and investigation of some chemical and metals’ effects on the enzyme activity

In addition, optimum ionic strength, optimum pH, optimum temperature, and stable pH values were determined for the enzyme in the kinetic studies performed. K M and Vmax were determined for NADPH and cytochrome c. Effects of some metals ions, antibiotics, and some other drugs used in aquarium fisheries on the activity of the enzyme were investigated. IC50 values and Ki values of metals showing an inhibitory effect were calculated.

10p langthannam 29-12-2021 4 0 Download

Properties and some in vitro studies of 6-phosphogluconate dehydrogenase purified from the liver of Chalcalburnus tarichi, the only fish living in Lake Van’s highly alkaline water (pH 9.8)

In this study, some enzymology parameters and some antibiotics affecting the enzyme activity of 6- phosphogluconate dehydrogenase (6PGD) extracted from t the livers of fish from Lake Van (Chalcalburnus tarichi) were investigated because it is an important enzyme-producing NADPH, a reductive power, protecting the cell against the oxidative agents by producing reduced glutathione. The crude enzyme solution was obtained by using the affinity chromatography method.

9p langthannam 29-12-2021 11 0 Download
Làm thế nào khi không có từ điển???

Định nghĩa: Ngay sau từ “mới” đối với độc giả, tác giả viết một định nghĩa giải thích ý nghĩa của từ đó. Ví dụ: “The people of the town were warned not to eat the tainted fish. The local newspaper published a bulletin in which readers were clearly told that eating fish that had a disease could be very dangerous. This was especially true for fish caught in Lake Jean.” Trong đoạn văn này, ngay sau cụm từ “tainted fish” là một câu nói về việc ăn cá bị bệnh có thể rất nguy hiểm (eating fish that had...

3p bibocumi4 21-09-2012 85 17 Download
Fish Topics

Fishing can be one of the most enjoyable activities on a lake, and you and others can impact the fish population, for better or for worse. The do-it-yourself projects outlined in this chapter should help maintain or improve the fish and fishing in your lake.

44p bengoan369 14-12-2011 47 6 Download