Bioassay Systems
BioAssay Systems develops and markets innovative and high-throughput assay solutions to satisfy the ever increasing demands of the life sciences industry.
Bioassay Systems QuantiChrom™ Lactate Dehydrogenase Kit. For quantitative determination of lactate dehydrogenase LDH activity and screen/evaluation of LDH modulators.
For quantitative determination of lactate dehydrogenase LDH activity and screen/evaluation of LDH modulators. Key Features: High sensitivity and wide linear range. Use 3 µL serum or plasma sample. The detection limit is 2 U/L, linear up to 200 U/L. Homogeneous and simple procedure. Simple "mix-and-measure" procedure allows reliable quantitation of LDH activity within 30 minutes. Robust and amenable to HTS. All reagents are compatible with high-throughput liquid handling instruments. Method: OD565nm. Samples: Serum, plasma etc. Species: All. Procedure: Assay takes 30 min. Kit size: 100 tests. Detection limit: 2 U/L.
Bioassay Systems EnzyChrom™ NAD/NADH Assay Kit. For sensitive determination of NAD and NADH and evaluation of drug effects on NAD/NADH metabolism.
For sensitive determination of NAD and NADH and evaluation of drug effects on NAD/NADH metabolism. Key Features: Sensitive and accurate. Detection limit of 0.05 µM and linearity up to 10 µM NAD+/NADH in 96-well plate assay. Convenient. The procedure involves adding a single working reagent, and reading the optical density at time zero and 15 min at room temperature. High-throughput. Can be readily automated as a high-throughput 96-well plate assay for thousands of samples per day. Method: OD565nm. Samples: Cell or tissue extracts. Species: All. Procedure: Assay takes 15 min. Kit size: 100 tests. Detection limit: 0.05 µM.
Bioassay Systems QuantiChrom™ Formaldehyde Assay Kit. Direct determination of formaldehyde concentrations in biological, food and environmental samples
For quantitative and direct determination of formaldehyde concentrations in biological, food and environmental samples. Key Features: Safe. Non-radioactive assay. Sensitive and accurate. As low as 1.5 µM (45 ppb) formaldehyde can be quantified. Homogeneous and convenient. "Mix-incubate-measure" type assay. No wash and reagent transfer steps are involved. Robust and amenable to HTS: Can be readily automated on HTS liquid handling systems for processing thousands of samples per day. Method: FL370/470nm. Samples: Biological, food, beverage, environment. Species: All. Procedure: Assay takes 30 min. Kit size: 100 tests. Detection limit: 1.5 µM (45 ppb).
Bioassay Systems QuantiChrom™ Iron Assay Kit. For quantitative determination of iron ions Fe3+ and/or Fe2+ and evaluation of drug effects on iron metabolism.
For quantitative determination of iron ions Fe3+ and/or Fe2+ and evaluation of drug effects on iron metabolism. Key Features: Sensitive and accurate. Linear detection range 27 µg/dL (4.8 µM) to 1,000 µg/dL (179 µM) iron in 96-well plate assay. Simple and high-throughput. The procedure involves addition of a single working reagent and incubation for 40 min. Can be readily automated as a high-throughput assay for thousands of samples per day. Improved reagent stability and versatility. The optimized formulation has greatly enhanced reagent and signal stability. Cuvette or 96-well plate assay. Low interference in biological samples. No pretreatments are needed. Assays can be directly performed on serum samples. Method: OD590nm. Samples: Biological (e.g. serum) and environmental samples. Species: All. Procedure: Assay takes 30 min. Kit size: 250 tests. Detection limit: 27 µg/dL (4.8 µM).
Bioassay Systems EnzyFluo™ Bile Acid Assay Kit. For quantitative determination of total bile acids and evaluation of drug effects on bile acid metabolism.
For quantitative determination of total bile acids and evaluation of drug effects on bile acid metabolism. Key Features: Safe. Non-radioactive assay. Sensitive and accurate. Linear detection range of 1 - 150 µM bile acids. Convenient and high-throughput. Homogeneous "mix-incubate-measure" type assay. No wash and reagent transfer steps are involved. Can be readily automated on HTS liquid handling systems for processing thousands of samples per day. Method: FL530/585nm. Samples: Serum, plasma, urine and other biological samples. Species: All. Procedure: Assay takes 20 min. Kit size: 100 tests. Detection limit: 1 µM.
Bioassay Systems QuantiChrom™ Whole Blood Hemoglobin Kit. For quantitative determination of hemoglobin (Hb) in whole blood.
For quantitative determination of hemoglobin (Hb) in whole blood. Key Features: Safety. Non-hazardous. Reagents do not contain any toxic components, e.g. hexacyanoferrate(III) and potassium cyanide used in Drabkin's reagent. Simple and high-throughput. The "mix-and-read" procedure involves addition of a single reagent and reading the optical density. Can be readily automated as a high-throughput assay in 96-well plates for thousands of samples per day. Versatility. Assays can be executed in 96-well plate or cuvette. High sensitivity. As low as 5 µL sample is used. Ideal when samples are limited such as mice blood samples. Method: OD570nm. Samples: Whole blood samples. Species: All. Procedure: Assay takes 5 min. Kit size: 250 tests. Detection limit: 0.2 g/dL.
Bioassay Systems QuantiChrom™ Peroxidase Assay Kit. For quantitative determination of peroxidase enzyme activity.
For quantitative determination of peroxidase enzyme activity. Key Features: Fast and sensitive. Use as little as 10 µL samples. Linear detection range: colorimetric assays 2 to 50 U/L, fluorimetric assays 0.1 to 5 U/L peroxidase. Convenient and high-throughput. Homogeneous "mix-incubate-measure" type assay. Can be readily automated on HTS liquid handling systems for processing thousands of samples per day. Method: OD570nm, or FL530/585nm. Samples: Biological. Species: All. Procedure: Assay takes 20 min. Kit size: 100 tests. Detection limit: OD, FL: 4, 0.8 U/L.
PEROXIDASES (EC number 1.11.1.x) catalyze the following oxidation-reduction reactions:
ROOR + electron donor (2 e-) + 2H+ → ROH + R'OH.
Bioassay Systems CellQuanti-Blue™ Cell Viability Assay Kit (10000 tests). Homogeneous assay for cell viability, proliferation, cytotoxcity and high-throughput screen for anticancer agents.
Homogeneous assay for cell viability, proliferation, cytotoxcity and high-throughput screen for anticancer agents. Key Features: Safe. Non-radioactive assay (cf. 3H-thymidine incorporation assay). Sensitive and accurate. As low as 100 cells can be accurately quantified. Time efficient. High-throughput assay in 96-well and 384-well plates allows simultaneous processing ten of thousands of samples per day. Homogeneous and convenient. A single reagent and "mix-incubate-measure" type assay. No wash and reagent transfer steps are involved. Robust and amenable to HTS. Z factors of 0.6 to 0.9 are routinely observed in 96-well and 384-well plates. Can be readily automated on HTS liquid handling systems. Method: FL530/590nm. Samples: Cell culture. Species: All. Procedure: Assay takes 1-5 hrs. Kit size: 10000 tests. Detection limit: 100 cells.
Bioassay Systems CellQuanti-Blue™ Cell Viability Assay Kit (5000 tests). Homogeneous assay for cell viability, proliferation, cytotoxcity and high-throughput screen for anticancer agents.
Homogeneous assay for cell viability, proliferation, cytotoxcity and high-throughput screen for anticancer agents. Key Features: Safe. Non-radioactive assay (cf. 3H-thymidine incorporation assay). Sensitive and accurate. As low as 100 cells can be accurately quantified. Time efficient. High-throughput assay in 96-well and 384-well plates allows simultaneous processing ten of thousands of samples per day. Homogeneous and convenient. A single reagent and "mix-incubate-measure" type assay. No wash and reagent transfer steps are involved. Robust and amenable to HTS. Z factors of 0.6 to 0.9 are routinely observed in 96-well and 384-well plates. Can be readily automated on HTS liquid handling systems. Method: FL530/590nm. Samples: Cell culture. Species: All. Procedure: Assay takes 1-5 hrs, hands-on time 30 min. Kit size: 5000 tests. Detection limit: 100 cells.
Bioassay Systems EnzyChrom™ D-Lactate Assay Kit. For quantitative determination of D-lactate (D-lactic acid) and evaluation of drug effects on its metabolism.
For quantitative determination of D-lactate (D-lactic acid) and evaluation of drug effects on its metabolism. Key Features: Sensitive and accurate. Detection limit of 0.05 mM and linearity up to 2 mM D-lactate in 96-well plate assay. For cell culture samples containing phenol red: detection limit of 0.1 mM and linearity up to 1 mM D-lactate in 96-well plate assay. Convenient. The procedure involves adding a single working reagent, and reading the optical density at time zero and at 20 min. Room temperature assay. No 37°C heater is needed. High-throughput. Can be readily automated as a high-throughput 96-well plate assay for thousands of samples per day. Method: OD565 nm. Samples: Serum, plasma, cell culture media etc. Species: All. Procedure: Assay takes 20 min. Kit size: 100 tests. Detection limit: 0.05 mM.
Bioassay Systems EnzyChrom™ Creatine Kinase Assay Kit. For quantitative determination of creatine kinase activity and evaluation of drug effects on CK activity.
For quantitative determination of creatine kinase (CK) activity and evaluation of drug effects on CK activity. Key Features: Sensitive and accurate. Detection range: 5 to 300 U/L creatine kinase in 96-well plate assay. Convenient. The procedure involves adding a single working reagent, and reading the optical density at 20 min and 40 min at room temperature or 37°C. High-throughput. Can be readily automated as a high-throughput 96-well plate assay for thousands of samples per day. Method: OD340nm. Samples: Serum, plasma etc. Species: All. Procedure: Assay takes 40 min. Kit size: 100 tests. Detection limit: 5 U/L.
Bioassay Systems QuantiChrom™ Acetylcholinesterase Assay Kit. For quantitative determination of acetylcholinesterase activity and evaluation of acetylcholinesterase inhibitors.
For quantitative determination of acetylcholinesterase activity and evaluation of acetylcholinesterase inhibitors. Key Features: Sensitive and accurate. Detection range 10 to 600 U/L AChE activity in 96-well plate assay. Convenient. The procedure involves adding a single working reagent, and reading the optical density at 2 min and 10 min at room temperature. High-throughput. Can be readily automated as a high-throughput 96-well plate assay for thousands of samples per day. Method: OD412nm. Samples: Blood, serum, plasma etc. Species: All. Procedure: Assay takes 10 min. Kit size: 100 tests. Detection limit: 10 U/L.
Bioassay Systems EnzyChrom™ Ketone Body Assay Kit. For quantitative determination of ketone body (acetoacetate and 3-hydroxybutyrate) and evaluation of drug effects on its metabolism.
For quantitative determination of ketone body (acetoacetate and 3-hydroxybutyrate) and evaluation of drug effects on its metabolism. Key Features: Sensitive and accurate. Uses 10 µL sample. Linear detection range of 0.12 to 8 mM for each ketone body in 96-well plate assay. Convenient. The procedure involves adding a single working reagent, and reading the optical density at room temperature. High-throughput. Can be automated as a high-throughput 96-well plate assay for many samples per day. Method: OD340nm. Samples: Serum, plasma, urine etc. Species: All. Procedure: Assay takes 30 min. Kit size: 200 tests. Detection limit: 0.12 mM.
Bioassay Systems QuantiChrom&trade Chromium Assay Kit. For quantitative determination of chromium Cr(VI).
For quantitative determination of chromium Cr(VI). Key Features: Sensitive and accurate. Linear detection range of 20 - 2000 µg/L Chromium. Convenient and high-throughput. Homogeneous "mix-incubate-measure" type assay. No wash and reagent transfer steps are involved. Can be readily automated for processing thousands of samples per day. Method: OD480nm. Samples: Biological (serum, plasma etc), environmental (water, soil etc), food and beverage samples. Species: All. Procedure: Assay takes 20 min. Kit size: 250 tests. Detection limit: 20 µg/L (0.38 µM, 0.02 ppm).
Bioassay Systems QuantiChrom™ Magnesium Assay Kit. For quantitative determination of Mg2+ and evaluation of drug effects on magnesium metabolism.
For quantitative determination of Mg2+ and evaluation of drug effects on magnesium metabolism. Key Features: Sensitive and accurate. Use as little as 5 µL sample. Linear detection range 0.1 mg/dL (41 µM) to 3 mg/dL (1.2 mM) Mg2+ in 96-well plate assay. Simple and high-throughput. The procedure involves addition of two reagents and measuring OD500nm. Can be readily automated as a high-throughput assay for thousands of samples per day. Improved reagent stability and versatility. The optimized formulation has greatly enhanced reagent and signal stability. Cuvet or 96-well plate assay. Low interference in biological samples. Assays can be directly performed in serum and urine samples. Method: OD500nm. Samples: Biological, food and beverage. Species: All. Procedure: Assay takes 10 min. Kit size: 250 tests. Detection limit: 0.1 mg/dL (41 µM).