AffiASSAY® 1,5-Anhydroglucitol Assay Kit (Colorimetric)

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CAT# AFG-BV-0001
Size: 100 Assays

648.00 648.0 USD 648.00

648.00

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Overview

1,5-Anhydroglucitol (1,5-AG) is a metabolically inactive deoxy analogue of glucose that is present in most grains and meats. It is well absorbed in the intestine from dietary sources and is readily reabsorbed by the Na+-dependent glucose symporter (SGLT4) in renal proximal tubules. A small amount of 1,5-AG (proportional to dietary intake) is released in the urine, resulting in a constant steady-state concentration in blood and most tissues (variable depending on diet). However, in hyperglycemia (plasma glucose above 180 mg/dl), glucose saturates SGLT4, thereby preventing 1,5-AG reuptake and dramatically increasing the urinary excretion of 1,5-AG. Measurement of plasma or saliva 1,5-AG levels can identify recent (within the last 10-14 days) hyperglycemic episodes (even if glucose levels appear normal at the time of measurement) and reflects the mean blood glucose level over the previous 1-2 weeks in diabetic patients. AffiGEN’s 1,5-Anhydroglucitol Assay Kit is a high-throughput adaptable microplate-based assay that enables rapid quantification of 1,5-AG levels in biological fluids. The assay consists of two steps: in the first step, the sample is pretreated to remove endogenous glucose that may interfere with the 1,5-AG detection and 1,5-AG is converted to 1,5-AG-6-phosphate. In the second step, 1,5-AG-6-phosphate is enzymatically metabolized, generating NADPH, which subsequently reacts with a colorless probe to form a strongly colored product measured by absorbance at OD = 460 nm. The absorbance is proportional to the concentration of 1,5-AG present in the samples. The assay is not affected by galactose, fructose or other physiologically common sugars and has a limit of detection of 0.11 nmoles of 1,5-AG per well, with a reliable linear range from 0.2 – 5 nmole per well (corresponding to a 20-500 μM concentration in a 10 μl sample volume).

AffiASSAY® 1,5-Anhydroglucitol Assay Kit (Colorimetric)

Microplate-based assay for rapid quantification of 1,5-AG levels in biological fluids, The assay is not affected by galactose, fructose or other physiologically common sugars, Has a limit of detection of 0.11 nmoles of 1,5-AG per well, with a reliable linear range from 0.2-5 nmole per well, High-throughput adaptable

Alternative Name

1,5-Anhydroglucitol Assay Kit (Colorimetric)

Species Reactivity

Mammalian

Applications

Estimation of 1,5-anhydroglucitol concentration in biological fluids (serum/plasma, saliva)

Tag Line

For rapid quantification of 1,5-AG levels

Detection Method

Absorbance, OD 460 nm

Sample Type

Human or animal plasma/serum or saliva

Storage Conditions

-20°C

Shipping Conditions

Gel Pack

Shelf life

12 Months