Biochemical/Cell-based Assays, Reagents & HTS Kits

An accurate, simple, fast (15 min) and inexpensive screening tool for the identification of protein putrefaction in the gastrointestinal tract. For research use only, not intended for diagnostic use. The Indican Reagent is corrosive. It is recommended to perform the test in a chemical fume hood. Wear gloves, goggles and protective clothing. Key Features: Convenient. Only need to pipette 2 mL urine into the ready reagent vial, mix and read the indican level from a color chart. Fast: 15 min. Method: Obermeyer (Improved). Samples: Urine. Species: Human. Procedure: Assay takes 15 min. Kit size: 20 tests.

Bright bioluminescent reagent system for rapid quantitation of luciferase reporter gene expression in transfected cells and high-throughput drug screens.

Bioluminescent reagent system for rapid quantitation of firelfy and Ranilla luciferase reporter gene expression in transfected cells. Key Features: High sensitivity and wide detection range. Detection of as little of 2 fg luciferase. Compatible with routine laboratory and HTS formats. Assays can be performed in tubes or microplates, and measured with any luminometer. Can be readily automated on HTS liquid handling systems. Fast and convenient. Three step assay allows detection of dual luciferase levels within 20 minutes. Method: Luminescence. Samples: Cells etc. Species: All. Procedure: Assay takes 20 min. Kit size: 100 tests. Detection limit: 2 fg luciferase.

Removal of interfering saccharides (e.g. glucose, sucrose) from samples such as culture media. Key Features: Convenient and high-throughput. The procedure involves addition of three reagents sequentially, incubation for 15 min, centrifugation for 5 min, and transfer of the supernatant. Samples: Culture media. Species: All. Procedure: Assay takes 20 min. Kit size: 500 treatments.

For rapid, direct determination of urea concentrations in food and beverage samples as well as biological samples. Key Features: Fast and sensitive. Use of 20 µL sample. Semi-quantitative measurement between 0-1500 mg/L (undiluted) urea. Convenient. No expensive plate or cuvette readers needed. Sample treatment and assay can be performed in under 15 minutes. Method: Visual. Samples: Serum, plasma, urine, etc. Species: All. Procedure: Assay takes approximately 15 min. Kit size: 10 tests.

For rapid, direct determination of pyruvate concentrations in food and beverage samples as well as biological samples. Key Features: Fast and sensitive. Use of 50, 100, or 400 µL sample. Semi-quantitative measurement between 0-131 mg/L (undiluted) Pyruvate. Convenient. No expensive plate or cuvette readers needed. Sample treatment and assay can be performed in under 15 minutes. Method: Visual. Samples: Wine, beer, biological samples, etc. Species: All. Procedure: Assay takes approximately 15 min. Kit size: 10 tests.

For rapid, direct determination of oxalate concentrations in biological samples. For Research Use Only (not for medical decisions). Key Features: Fast and sensitive. Use of 10 µL sample. Semi-quantitative measurement between 0-1.5 mg/dL or 0-170 µM (undiluted) Oxalate. Convenient. No expensive plate or cuvette readers required. Sample treatment and assay can be performed in under 10 minutes. Method: Visual. Samples: Serum, plasma, urine, fruits or vegetables, etc. Species: All. Procedure: Assay takes approximately 10 min. Kit size: 10 tests.

For rapid, direct determination of malic acid concentrations in food and beverage samples as well as biological samples. Key Features: Fast and sensitive. Use of 20 or 100 µL sample. Semi-quantitative measurement between 0-500 mg/L (undiluted) malic acid. Convenient. No expensive lab equipment needed. Sample treatment and assay can be performed in under 15 minutes. Method: Visual. Samples: Wine, beer, milk, etc. Species: All. Procedure: Assay takes approximately 15 min. Kit size: 10 tests.

For rapid, direct determination of L-lactic acid concentrations in food and beverage samples as well as biological samples. Semi-quantitative measurement between 0-360 mg/L (undiluted) L-lactic acid. Convenient. No expensive lab equipment needed. Sample treatment and assay can be performed in under 15 minutes. Method: Visual. Samples: Wine, beer, milk, etc. Species: All. Procedure: Assay takes approximately 15 min. Kit size: 10 tests.

For rapid, direct determination of L-Glutamate (monosodium glutamate or MSG) concentrations in food and beverage samples as well as biological samples. Key Features: Fast and sensitive. Use of 20 or 100 µL sample. Semi-quantitative measurement between 0-300 mg/L (undiluted) L-Glutamate. Convenient. No extra equipment required. Sample treatment and assay can be performed in under 15 minutes. Method: Visual. Samples: Soups, sauces, milk, etc. Species: All. Procedure: Assay takes approximately 15 min. Kit size: 10 tests.

For rapid, direct determination of Histamine concentrations in fish, wine, and other samples. Key Features: Fast and sensitive. Use of 500 mg of fish or 250 µL of sample. Semi-quantitative measurement between 0-200 ppm (undiluted) Histamine. Convenient. No expensive lab equipment needed. Sample treatment and assay can be performed in under 15 minutes. Method: Visual. Samples: Seafood, wine, juice, milk and dairy products, etc. Species: All. Procedure: Assay takes approximately 15 min. Kit size: 10 tests.

For rapid, direct determination of glucose concentrations in food and beverage samples as well as biological (e.g. urine, blood, etc.) samples. Key Features: Fast and sensitive. Use of 20 or 100 µL sample. Semi-quantitative measurement between 0-720 mg/L (undiluted) Glucose. Convenient. No expensive lab equipment needed. Sample treatment and assay can be performed in under 15 minutes. Method: Visual. Samples: Wine, beer, juice, etc. Species: All. Procedure: Assay takes approximately 15 min. Kit size: 10 tests.

For rapid, direct determination of D-lactic acid concentrations in food and beverage samples as well as biological samples. Key Features: Fast and sensitive. Use of 20 or 100 µL sample. Semi-quantitative measurement between 0-180 mg/L (undiluted) D-lactic acid. Convenient. No expensive lab equipment needed. Sample treatment and assay can be performed in under 15 minutes. Method: Visual. Samples: Wine, beer, milk, etc. Species: All. Procedure: Assay takes approximately 15 min. Kit size: 10 tests.

For rapid, direct determination of albumin concentrations in biological samples (e.g. serum, plasma, urine, etc). Key Features: Fast and sensitive. Use of 10 µL sample. Semi-quantitative measurement between 0-0.4 g/dL or 0-60 µM (undiluted) Albumin. Convenient. No sophisticated laboratory equipment required. Sample treatment and assay can be performed in under 15 minutes. Method: Visual. Samples: Serum, plasma, urine, etc. Species: All. Procedure: Assay takes approximately 15 min. Kit size: 10 tests.

For quantitative determination of total protein. Key Features: Fast and sensitive. Assay is completed within a few minutes. Linear detection range of 0.05 - 200 µg/mL BSA. 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: FL360/450nm. Samples: Biological. Species: All. Procedure: Assay takes 10 min. Kit size: 200 tests. Detection limit: 50 ng/mL.

For quantitative determination of DNA. Key Features: Sensitive and accurate. Linear detection range 2 ng to 40 ng (100 - 2,000 ng/mL) calf thymus DNA in 96-well plate assay. Simple and high-throughput. The "mix-and-read" procedure involves addition of a single working reagent and reading the fluorescence intensity. Can be readily automated as a high-throughput assay for thousands of samples per day. Low interference. RNA, salt (up to 3M NaCl), detergent (< 0.01% SDS) and common DNA extraction buffer do not interfere in the assay. Method: FL350/450nm. Samples: Plasmid DNA, genomic DNA, cDNA, DNA following polymerase chain reaction, and DNA extracted from gel and other matrices. Species: All. Procedure: Assay takes 5 min. Kit size: 250 tests. Detection limit: 100 ng/mL.

For quantitative determination of diamine oxidase and evaluation of drug modulators. Key Features: Fast and sensitive. Use of 10 µL sample. Linear detection range 0.5 to 6 U/L for 30 min reaction at 25°C. Convenient. The procedure involves adding a single working reagent, and reading the fluorescence at 0 and 30 minutes. Room temperature assay. No 37°C heater is needed. High-throughput. "Add-mix-read" type assay. Can be readily automated as a high-throughput 96-well plate assay for thousands of samples per day. Method: FL530/585nm. Samples: Serum, Plasma. Species: All. Procedure: Assay takes 30 min. Kit size: 100 tests. Detection limit: 0.5 U/L.

For quantitatve determination of cholesterol uptake in cells and screening of modulators on cholesterol uptake. Key Features: Convenient. Treat cells directly in 96-well fluorescent plate. Safe. Non-radioactive assay. High-throughput. Can be readily automated as a high-throughput 96-well plate assay for thousands of samples per day Method: FL485/535nm. Samples: Adherent cells. Species: All. Procedure: Assay takes 24-72 hrs, hand-on time 1 hr. Kit size: 100 tests.

For quantitative determination of the apoptosis target caspase-3 activity and HTS screen for apoptosis inducers and inhibitors. Key Features: Safe. Non-radioactive assay. 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: FL400/490nm. Samples: Cell and tissue lysate. Species: All. Procedure: Assay takes 60 min. Kit size: 100 tests.

For quantitative determination of ammonia/ammonium and evaluation of drug effects on their metabolism. Key Features: Fast and sensitive. Linear detection range of 0.012 - 1 mM ammonia. 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: FL360/450nm. Samples: Biological (eg urine) and environ-mental samples. Species: All. Procedure: Assay takes 15 min. Kit size: 200 tests. Detection limit: 12 µM.

For quantitative determination of alkaline phosphatase (ALP) activity using stable 4-methylumbelliferyl phosphate substrate. Key Features: High sensitivity and wide linear range. Use 10 µL sample. Detection limit of 0.02 U/L (20 min reaction). Homogeneous and simple procedure. Simple "mix-and-measure" procedure allows reliable quantitation of ALP activity within 20 minutes. Robust and amenable to HTS. All reagents are compatible with high-throughput liquid handling instruments. Method: FL360/450nm. Samples: Serum, plasma etc. Species: All. Procedure: Assay takes 20 min. Kit size: 100 tests. Detection limit: 0.02 U/L.

For quantitative determination of acid phosphatase activity in biological samples. Key Features: Fast and sensitive. Linear detection range (20 µL sample): 0.008 to 10 U/L for a 30 minute reaction. 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: FL360/450. Samples: Biological (e.g. serum) samples. Species: All. Procedure: Assay takes 30 min. Kit size: 100 tests. Detection limit: 0.008 U/L.

For quantitative determination of hydroxyproline and collagen in biologic and cosmetic samples. Key Features: Safe. Our hydroxyproline assay uses an improved perchlorate-free chemistry. Sensitive and accurate. Uses 20 µL sample. Linear detection range 0.5 µg/mL to 50 µg/mL hydroxyproline in 96-well plate assay. Convenient. Collagen can be hydrolyzed in Eppendorf tubes, and final incubation can be performed at 37°C. Method: OD560nm. Samples: Hydroxyproline and collagen in biologic and cosmetic samples. Species: All. Procedure: Assay takes Approx. 2 hrs. Kit size: 100 Tests. Detection limit: 0.5 µg/mL.

For quantitatve determination of β-N-Acetylglucosaminidase activity and evaluation of drug modulators. Key Features: Fast and sensitive. Linear detection range (20 µL sample): 0.2 to 50 U/L for a 30 minute reaction at 37°C. 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: OD405nm. Samples: Urine, serum, plasma, cell lysate, etc. Species: All. Procedure: Assay takes 30 min. Kit size: 100 tests. Detection limit: 0.2 U/L.

For quantitative determination of β-glucosidase activity and evaluation of drug effects on its metabolism. Key Features: High sensitivity and wide linear range. Use 20 µL sample. The detection limit is 2 U/L, linear up to 250 U/L. Homogeneous and simple procedure. Simple "mix-and-measure" procedure allows reliable quantitation of β-glucosidase activity within 20 minutes. Robust and amenable to HTS. All reagents are compatible with high-throughput liquid handling instruments. Method: OD405nm. Samples: Biological. Species: All. Procedure: Assay takes 20 min. Kit size: 100 tests. Detection limit: 2 U/L.

For quantitative determination of α-mannosidase enzyme activity. Key Features: Fast and sensitive. Linear detection range (10 µL sample): 1 to 250 U/L for a 10 minute reaction. 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: OD405nm. Samples: Biological samples e.g. plasma, serum, tissue and culture media. Species: All. Procedure: Assay takes 10 min. Kit size: 100 tests. Detection limit: 1 U/L.

For quantitative determination of α-L-Fucosidase activity in biological samples. Key Features: High sensitivity and wide linear range. Linear detection range (10 µL sample): 1 to 100 U/L. Homogeneous and simple procedure. Simple add-mix-read procedure allows reliable quantitation of fucosidase activity within 20 minutes. Robust and amenable to HTS. All reagents are compatible with high-throughput liquid handling instruments. Can be readily automated to measure thousands of samples per day. Method: OD405nm. Samples: Plasma, serum, tissue, cell lysate, etc. Species: All. Procedure: Assay takes 20 min. Kit size: 100 tests. Detection limit: 1 U/L.

For quantitative determination of α-glucosidase activity and evaluation of drug effects on its metabolism. Key Features: High sensitivity and wide linear range. Use 20 µL sample. The detection limit is 2 U/L, linear up to 250 U/L. Homogeneous and simple procedure. Simple "mix-and-measure" procedure allows reliable quantitation of α-glucosidase activity within 20 minutes. Robust and amenable to HTS. All reagents are compatible with high-throughput liquid handling instruments. Method: OD405nm. Samples: Biological. Species: All. Procedure: Assay takes 20 min. Kit size: 100 tests. Detection limit: 2 U/L.

For quantitative determination of zinc ion Zn²⁺ and evaluation of drug effects on zinc metabolism. Key Features: Sensitive and accurate. Uses 50 µL samples. Linear detection range 0.12 µM (0.78 µg/dL) to 10 µM (65 µg/dL) zinc in 96-well assay format. Simple and high-throughput. The procedure involves addition of a single working reagent and incubation for 30 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 formats possible. Low interference in biological samples. No pretreatments are needed. Method: OD425nm. Samples: Serum, plasma, urine, saliva, food, beverage and environment. Species: All. Procedure: Assay takes 30 min. Kit size: 250 tests. Detection limit: 0.78 µg/dL (0.12 µM).

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.

For quantitative determination of uric acid and evaluation of drug effects on uric acid metabolism. Key Features: Sensitive and accurate. Use 5 µL samples. Linear detection range 0.22 mg/dL (13 µM) to 30 mg/dL (1785 µM) uric acid in 96-well plate assay. Simple and high-throughput. The procedure involves addition of a single working reagent and incubation for 30 min. Can be readily automated as a high-throughput assay in 96-well plates 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. No pretreatments are needed. Assays can be directly performed on serum samples. Method: OD590nm. Samples: Serum, plasma, urine and other biological samples. Species: All. Procedure: Assay takes 30 min. Kit size: 250 tests. Detection limit: 0.2 mg/dL (13 µM).

For quantitative determination of urease activity and evaluation/screen for urease inhibitors. Key Features: Safe. Non-radioactive assay. Sensitive and accurate. As low as 0.003 U/L urease activity 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: OD670nm. Samples: Biological, environment etc. Species: All. Procedure: Assay takes 40 min. Kit size: 100 tests. Detection limit: 0.003 U/L.

For quantitative enzymatic determination of urea. Key Features: Fast and sensitive. Linear detection range (20 µL sample): 1 mg/mL (0.17 mM) to 100 mg/mL (17 mM) urea in 96-well plate assay. Convenient. The procedure involves adding a single working reagent, and reading the absorbance after 5 minutes. Room temperature assay. No 37°C heater is needed. High-throughput. Homogeneous "mix-incubate-measure" type assay.Can be readily automated as a high-throughput 96-well plate assay for thousands of samples per day. Method: OD557nm. Samples: Urea in biological samples (e.g. plasma, serum, urine) and food/beverage samples (e.g. milk). Species: All. Procedure: Assay takes 5 min. Kit size: 100 tests. Detection limit: 1 mg/mL (0.17 mM).

For quantitative determination of urea and evaluation of drug effects on urea metabolism. Key Features: Sensitive and accurate. Use 5 µL samples. Linear detection range 0.08 mg/dL (13 µM) to 100 mg/dL (17 mM) urea in 96-well plate assay. Simple and high-throughput. The procedure involves addition of a single working reagent and incubation for 20 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. Cuvet or 96-well plate assay. Low interference in biological samples. No pretreatments are needed. Assays can be directly performed on raw biological samples i.e., in the presence of lipid and protein. Method: OD520nm (Chemical). Samples: Serum, plasma, urine, milk, cell/tissue culture, bronchoalveolar lavage (BAL), food, beverage and environment. Species: All. Procedure: Assay takes 30 min. Kit size: 100 tests. Detection limit: 0.08 mg/dL (13 µM).

For quantitative determination of total protein.

For quantitative determination of lipid peroxides (thiobarbituric acid reactive substances, TBARS) and evaluation of drug effects on lipid peroxidation. Key Features: Sensitive and accurate. Linear detection range: colorimetric assay 1 - 30 µM, fluorometric assay 0.1 - 1.5 µM MDA. Method: OD535nm, or FL530/550nm. Samples: Serum, plasma, urine, saliva etc. Species: All. Procedure: Assay takes 80 min. Kit size: 100 tests. Detection limit: 0.1 µM.

For quantitative determination of sulfate ion and evaluation of drug effects on sulfate metabolism. Key Features: Sensitive and accurate. Detection range 0.02 mM (0.19 mg/dL) to 2 mM (19.2 mg/dL) sulfate in 96-well plate assay. Simple and high-throughput. The procedure involves addition of a single working reagent and incubation for 5 min. Method: OD600nm. Samples: Serum, urine, food and environment. Species: All. Procedure: Assay takes 5 min. Kit size: 200 tests. Detection limit: 20 µM.

For quantitative determination of sorbitol dehydrogenase enzyme activity. Key Features: Fast and sensitive. Linear detection range (20 µL sample): 0.1 to 125 U/L for 12 min reaction. 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: OD565nm. Samples: Biological samples e.g. plasma, serum, urine, tissue and culture media. Species: All. Procedure: Assay takes 15 min. Kit size: 100 tests. Detection limit: 0.1 U/L.

For quantitative determination of free and total sialic acid (NANA) and evaluation of drug effects on sialic acid. Key Features: Sensitive and accurate. Use as little as 60 µL samples. Linear detection range in 96-well plate: 5 to 1000 µM sialic acid for colorimetric assays and 0.5 to 100 µM for fluorimetric assays. Method: OD549nm, or FL555/585nm. Samples: Serum, plasma, saliva, milk etc. Species: All. Procedure: Assay takes 2.5 hrs. Kit size: 100 tests. Detection limit: OD, FL: 5, 0.5 µM.

For quantitative determination of salicylate in biological samples and beauty products, mouthwash, etc. Key Features: Fast and sensitive. Linear detection range: 0.8 mM (10.9 mg/dL) to 20 mM (274.2 mg/dL) salicylate with 20 µL sample (96-well). Convenient. The procedure involves adding a single working reagent. High-throughput. "Add-mix-read" type assay. Can be readily automated as a high-throughput 96-well or 384-well plate assay for thousands of samples per day. Method: OD560nm. Samples: Serum, plasma, urine, food, beverage, agriculture, drugs, beauty, mouthwash samples, etc. Species: All. Procedure: Assay takes 30 min. Kit size: 100 Tests.

For quantitative determination of urinary protein and creatinine concentrations (protein/creatinine ratio, UPCR). Key Features: Sensitive and accurate. Use 20 µL samples. Linear detection range in 96-well plate: 1 - 20 mg/dL Protein and 1 - 150 mg/dL Creatinine. Fast and convenient. No sample pre-treatment is needed. Simple 10- minute "add-incubate-read" procedure. High-throughput adaptable. The procedure can be readily automated for processing thousands of samples per day. Method: OD600 and OD530nm. Samples: Urine samples. Species: All. Procedure: Assay takes 10 min. Kit size: 100 tests. Detection limit: 1 mg/dL Protein and 1 mg/dL Creatinine.

For quantitative determination of total protein. Key Features: Sensitive and accurate. Use 10 mL samples. Detection range 0.06 - 1.0 mg /mL protein in 96-well plate assay. Simple and high-throughput. The "mix-and-read" procedure involves addition of a single working 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. Low interference. Glucose, Tris, vitamins, and amino acids, DNA, RNA, salts, EDTA (< 12 mM), phenol (< 50 mM), urea (< 0.6 M), Triton (<0.1%) and SDS (< 0.1% SDS) do not interfere in the assay. Versatility: assays can be executed in 96-well plate or cuvet. Method: OD595nm (Bradford). Samples: Biological, food, agriculture etc. Species: All. Procedure: Assay takes 2 min. Kit size: 500 tests. Detection limit: 60 µg/mL.

For quantitative determination of phosphate and evaluation of drug effects on phosphate metabolism. Key Features: Sensitive and accurate. Linear detection range 0.3 µM (0.0028 mg/dL) to 50 µM (0.47 mg/dL) phosphate in 96-well plate assay. Simple and high-throughput. The procedure involves addition of a single working reagent and incubation for 30 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. Assays can be executed in cuvet or 96-well plate. Low interference in biological samples. No pretreatments are needed. Assays can be directly performed on raw biological samples i.e., in the presence of lipid, protein and minerals. Method: OD620nm (malachite green). Samples: Serum, urine, saliva, sweat, tissue culture, food, environment etc. Species: All. Procedure: Assay takes 30 min. Kit size: 500 tests. Detection limit: 3 µg/dL (0.3 µM).

For quantitative determination of peroxide and evaluation of drug effects on peroxide metabolism. Key Features: Sensitive and accurate. Enhanced color intensity using sorbitol. Detection range 0.2 µM (7 ng/mL) to 30 µM (1,020 ng/mL) H₂O₂ in 96-well plate assay. Simple and high-throughput. The procedure involves addition of a single detection reagent and incubation for 30 min. Can be readily automated as a high-throughput assay in 96-well plates for thousands of samples per day. Method: OD585nm. Samples: Serum, citrate-plasma, urine, cell lysate, culture media etc. Species: All. Procedure: Assay takes 30 min. Kit size: 250 tests. Detection limit: 0.2 µM.

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.