Search results for: 'the'||''

Nitrite Determination 1000 tests (96 well plate) The Nitrite Determination Assay Kit is recommended for the determination of nitrite. The assay described here measures the nitrite anion. The detection is based of spectrophotometric properties of diazonium compound (λmax= 540 nm) obtained after several steps of nitrite reaction with sulfanilamide. Learn More

MTT assay: determination of the cell viability through measurement of mitochondrial activity. The mitochondrial activity of the cells is reflected by the conversion of the tetrazolium salt MTT into formazan crystals, which can be solubilised for homogenous measurement of optical density (OD) using a plate reader at 570 nm vs 690 nm. Learn More

MTT assay: determination of the cell viability through measurement of mitochondrial activity. The mitochondrial activity of the cells is reflected by the conversion of the tetrazolium salt MTT into formazan crystals, which can be solubilised for homogenous measurement of optical density (OD) using a plate reader at 570 nm vs 690 nm. Learn More

MTT assay: determination of the cell viability through measurement of mitochondrial activity. The mitochondrial activity of the cells is reflected by the conversion of the tetrazolium salt MTT into formazan crystals, which can be solubilised for homogenous measurement of optical density (OD) using a plate reader at 570 nm vs 690 nm. Learn More

Thiol Quantification Assay KIT (-SH/S-S) 200 tests (96 well plate) The Thiol and Disulfide Assay Kit is recommended for estimations of oxidative stress levels in biological samples such as plasma. The method uses the measurement of oxidized and reduced thiols, using Ellman's reagent. This assay allows to determine both the native (naturally reduced) and total (chemically reduced) free thiols in each sample. The the read-out is made at 412 nm (OD) Learn More

Secrete-Pair™ Dual Luminescence Assay Kit is designed to analyze the activities of Gaussia Luciferase (GLuc) and Secreted Alkaline Phosphatase (SEAP) of a dual-reporter system side-by-side using the same sample from the cell culture medium. Both GLuc and Learn More

Secrete-Pair™ Dual Luminescence Assay Kit is designed to analyze the activities of Gaussia Luciferase (GLuc) and Secreted Alkaline Phosphatase (SEAP) of a dual-reporter system side-by-side using the same sample from the cell culture medium. Both GLuc and Learn More

Secrete-Pair™ Dual Luminescence Assay Kit is designed to analyze the activities of Gaussia Luciferase (GLuc) and Secreted Alkaline Phosphatase (SEAP) of a dual-reporter system side-by-side using the same sample from the cell culture medium. Both GLuc and Learn More

Nitrite / Nitrate Determination 100 tests (96 well plate) Fast and easy method for the detection of nitric oxide formation in biological samples. This method relies on an innovative cofactor technology allowing linearity over a broad range of concentration (over 100 µM) and reducing the handling and assay time The kit is suitable for different sample types: plasma, serum, saliva, urine, cell lysate, tissue homogenate and culture medium. In this assay, firstly, the nitrate is reduced to nitrite catalyzed by the nitrate reductase with cofactors and specific compounds to eliminate interferences. The detection is based on the final product detection (diazonium compound, λmáx=540nm) obtained after nitrite reaction in several steps with sulfanilamide. Learn More

Superoxide indicator, Ex/Em = 300/610 nm. Dihydroethidium (also called hydroethidium) is the chemically reduced form of the commonly used DNA dye ethidium bromide. The probe is useful to detect oxidative activities in viable cells, including respiratory burst in phagocytes. Dihydroethidium itself has blue fluorescence (Ex/Em: 355/420nm) in cells, while the oxidized form ethidium has red fluorescence (Ex/Em: 300/610 nm) upon DNA intercalation. Learn More