Description: For quantitative determination of indican (indoxyl sulfate) in urine samples. Key Features: Fast and sensitive. Linear detection range: 0.2 - 20 mg/dL (8-800 µmoles/L). Fast and high-throughput. Homogeneous "mix-incubate-measure" type assay. Assay takes only 10 min. Can be readily automated for processing thousands of samples per day. Method: OD480nm. Samples: Urine. Species: All. Procedure: Assay takes 10 min. Kit size: 1000 tests. Detection limit: 0.2 mg/dL.

Description: For quantitative determination of indican (indoxyl sulfate) in urine samples. Key Features: Fast and sensitive. Linear detection range: 0.2 - 20 mg/dL (8-800 µmoles/L). Fast and high-throughput. Homogeneous "mix-incubate-measure" type assay. Assay takes only 10 min. Can be readily automated for processing thousands of samples per day. Method: OD480nm. Samples: Urine. Species: All. Procedure: Assay takes 10 min. Kit size: 100 tests. Detection limit: 0.2 mg/dL.

Description: For quantitative determination of ethanol and alcohol metabolism. Key Features: Sensitive and accurate. Detection range 0.04 - 4% alcohol in 96-well plate assay. Convenient and high-throughput. The procedure involves adding a single working reagent, incubation for 8 min, adding a Stop Reagent, and reading the optical density. Can be readily automated as a high-throughput 96-well plate assay for thousands of samples per day. Versatility. Assays can be executed in 96-well plate or cuvet. Method: OD580nm (Chemical). Samples: Alcoholic beverages etc. Species: All. Procedure: Assay takes 10 min. Kit size: 500 tests. Detection limit: 0.04%.

Description: For quantitative determination of glucose and evaluation of drug effects on glucose metabolism. Key Features: Sensitive and accurate. Use as little as 5 µL samples. Linear detection range 0.7 mg/dL (39 µM) to 300 mg/dL (16.6 mM) glucose in 96-well plate. Simple and convenient. The procedure involves addition of a single working reagent and incubation for 8 min in a boiling water bath. Improved reagent stability. The optimized formulation has greatly enhanced the reagent and signal stability. Low interference in biological samples. No pretreatments are needed. Assays can be directly performed on serum and plasma samples. Method: OD630nm. Samples: Biological, food and beverage. Species: All. Procedure: Assay takes 10 min. Kit size: 100 tests. Detection limit: 0.7 mg/dL (39 µM).

Description: Quantitative determination of α-amylase activity by colorimetric (595nm) method. Procedure: 10 min. Kit size: 100 tests. Detection limit: 10 U/L. Shelf life: 6 months. Shipping: ambient temp; storage: 4°C.

Description: 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.

Description: For quantitative determination of chloride ion and evaluation of drug effects on chloride metabolism. Key Features: Sensitive and accurate. Use as little as 5 µL samples. Linear detection range 0.7 mg/dL (0.2 mM) to 35 mg/dL (10 mM) Cl^- in 96-well plate assay. Simple and high-throughput. The procedure involves addition of a single working reagent and incubation for 5 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, protein and minerals such as magnesium, iron and zinc. Method: OD610nm. Samples: Biological, food and environment. Species: All. Procedure: Assay takes 5 min. Kit size: 250 tests. Detection limit: 0.7 mg/dL (0.2 mM).

Description: 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.

Description: For quantitative determination of carbonyl groups or protein carbonyls and evaluation of drug modulators. Key Features: Fast and sensitive. Use of 100 µL sample. Linear detection range from 12 to 250 µM carbonyl in 96-well plate assay. Convenient. The procedure involves adding a single working reagent, and reading the absorbance after 30 min. 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: OD375nm. Samples: Chemicals with carbonyl groups (e.g. ketones, aldehydes) or protein carbonyls in biological samples (e.g. oxidized BSA, etc). Species: All. Procedure: Assay takes 30 min. Kit size: 100 tests. Detection limit: 12 µM.

Description: 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).

Description: 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.

Description: For quantitative determination of albumin and evaluation of drug effects on albumin metabolism. Key Features: Sensitive and accurate. Use as little as 5 µL samples. Detection range 0.01 - 5 g/dL (1.5 - 750 µM) albumin in 96-well plate assay. Simple and high-throughput. The procedure involves addition of a single working reagent and incubation for 5 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. No 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: OD620nm (BCG). Samples: Serum, plasma, urine, biological preparations. Species: All. Procedure: Assay takes 5 min. Kit size: 250 tests. Detection limit: 0.01 g/dL.

Description: For quantitative determination of albumin and evaluation of drug effects on albumin metabolism. Key Features: Sensitive and accurate. Use as little as 20 µL samples. Detection range 0.3 - 5 g/dL (45 - 750 µM) albumin in 96-well plate assay. Simple and high-throughput. The procedure involves addition of a single working reagent and incubation for 5 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: OD610nm (BCP). Samples: Serum, plasma, urine, biological preparations. Species: All. Procedure: Assay takes 5 min. Kit size: 250 tests. Detection limit: 0.3 g/dL.

Description: For quantitative determination of arginase activity and screen for its inhibitors. Key Features: Sensitive and accurate. Detection limit: 0.3 U/L for 2 hr arginase reaction in 96-well assay format. Simple and high-throughput. The procedure involves incubation of the provided substrate with the sample in a microplate followed by the addition of the coloring reagent. Can be readily automated as a high-throughput assay for thousands of samples per day. Method: OD430nm. Samples: Enzyme preparations, serum, plasma, tissue culture etc. Species: All. Procedure: Assay takes 2 hrs. Kit size: 100 tests. Detection limit: 1 U/L (0.3 U/L for 2 hr reaction).

Description: For quantitative determination of pectinase activity determination in biological samples. Key Features: Linear detection range from 9.2-100 U/L pectinase activity in a 96-well plate assay. Simple and convenient 40 minute "Add-Mix-Measure" type assay. High-throughput format and compatible with laboratory liquid handling systems. No heating required. The kit does not use toxic materials. Refer to the previously established DNS method. Method: OD600nm. Samples: Enzyme extracts, agriculture and biological samples. Species: Plant, fungal tissues, juice, bacteria, etc. Procedure: Assay takes 40 min. Kit size: 100 tests. Detection limit: 9.2 U/L.

Description: For quantitative determination of bilirubin and evaluation of drug effects on bilirubin metabolism. Key Features: Sensitive and accurate. Detection limit 0.16 mg/dL bilirubin in 96-well plate assay. Simple and high-throughput. The procedure involves addition of a single working reagent and incubation for 10 min. Can be readily automated as a high-throughput assay in 96-well plates for thousands of samples per day. Method: OD530nm. Samples: Serum. Species: All. Procedure: Assay takes 10 min. Kit size: 180 tests. Detection limit: 0.16 mg/dL.

Description: 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).