Address: 45-1 Ramsey Road, Shirley, NY 11967, USA    USA: 1-631-559-9269  1-631-448-7888   Fax: 1-631-938-8127  Europe: 44-207-048-3343   Email:
Home > Products > Assay Kits > Metabolism Kits > Intestinal Permeability Assay Kit
"Intestinal Permeability" Related Products.
Product Overview:
The intestinal permeability assay kit is based on measuring the ratio of the absorption of two non-metabolized sugars to through the intestines. Test subjects drink a prescribed amount of lactulose and mannitol and the % absorption of these sugars is determined by the amount of excreted lactulose and mannitol measured during the first 6 hours after ingestion. The degree of intestinal permeability is reflected by the ratio of the % absorption of lactulose to % absorption of mannitol. An increase in this ratio indicates increased intestinal permeability since lactulose is only absorbed though intercellular spaces. Lactulose and mannitol are measured in separate assays using the included Lactulose Assay Kit and Mannitol Assay Kit, respectively.
100 tests
INTESTINAL PERMEABILITY is a phenomenon of the gut wall in which leakage of molecules and ions below ~0.4 nm occurs from the gut lumen into blood circulation. This paracellular leakage occurs through tight junctions between epithelial cells. Elevated paracellular leakage has been implicated in many disorders including type 1 and type 2 diabetes, obesity, inflammatory bowel disease, celiac disease, Parkinson"s disease and cancer.
Determination of intestinal permeability (leaky gut syndrome) through measuring lactulose/mannitol ratio.
Target Species:
The kit is shipped on ice. Store all components at -20°C upon receiving. Shelf life: 6 months after receipt.
Kit Components:
LACTULOSE ASSAY KITAssay Buffer: 6 mL Standard: 400 µL 15 mM LactuloseEnzyme A: Dried Enzyme B: 120 µLEnzyme Buffer: 150 µL PMS Solution: 1.5 mLMANNITOL ASSAY KITAssay Buffer: 10 mL Standard: 0.5 mL 20 mM D-MannitolEnzyme: 120 µL
Detection method:
Compatible Sample Types:
Features & Benefits:
• Simple and convenient. Both assays require addition of single working reagent and can be completed within 60 minutes. Both assays are performed at room temperature. 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.
Assay time:
60 and 30 min
Detection Limit: D-Mannitol: 7 μM; Lactulose: 3 μM

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Optional requirements on this protein +Expand
C-fusion   N-fusion  Non-tagged
His   GST  Fc  Others
<1.0 eu/μg   <0.1 eu/μg  <0.01 eu/μg  Not required
Monomer Isolation   Dimer Isolation   Not required
>80% by SDS-PAGE   >90% by SDS-PAGE  >95% by SDS-PAGE  Others
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45-1 Ramsey Road, Shirley, NY 11967, USA
USA: 1-631-559-9269  1-631-448-7888
Europe: 44-207-048-3343
FAX: 1-631-938-8127

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