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Intrinsic Factor Alkaline Phosphatase Conjugate Proteins Molecular Depot
Intrinsic Factor Alkaline Phosphatase Conjugate Proteins Molecular Depot
Intrinsic Factor Alkaline Phosphatase Conjugate Proteins Molecular Depot
Intrinsic Factor Alkaline Phosphatase Conjugate Proteins Molecular Depot

Intrinsic Factor Alkaline Phosphatase Conjugate

$1,102.00

    Catalog Number: B2010604 (0.1 mg)

    Intrinsic Factor Alkaline Phosphatase Conjugate (0.1 mg) consists of a purified and concentrated solution of porcine Intrinsic Factor (IF) conjugated to Alkaline Phosphatase (AP). IF is the natural binder and transporter of Vitamin B12, purified from the porcine gastric mucosa. This product has been used as a molecular tool in Vitamin B12 detection. This is supplied as a solution. Custom bulk amounts of this product are available upon request.

    Products are for in vitro research use only (RUO).

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Intrinsic Factor Alkaline Phosphatase Conjugate (High Specificity)

Catalog number: B2010604
Lot number: Batch Dependent
Expiration date: Batch Dependent
Amount: 0.1 mg
Concentration: 0.05–0.2 mg/mL
Supplied as: Solution
Appearance: Clear Solution
Storage: –20°C
Keywords: gastric intrinsic factor, vitamin B synthesis, GIF, IF, INF, IFMH, TCN3, IF-AP, IP-ALP, IF-Alkaline Phosphatase
Grade: Biotechnology grade. All products are highly pure. All solutions are made with Type I ultrapure water (resistivity >18 MΩ·cm) and are filtered through 0.22 μm.

Intrinsic Factor Alkaline Phosphatase Conjugate is a high-specificity reagent designed for vitamin B12-targeted detection, metabolic profiling, and assay development. This conjugate consists of gastric intrinsic factor (GIF) covalently linked to Alkaline Phosphatase (AP), forming a clear, stable solution suitable for ELISA, biosensor calibration, and receptor-ligand interaction studies. Supplied at 0.05–0.2 mg/mL in liquid format, this reagent supports a wide range of biochemical and diagnostic workflows involving cobalamin transport, receptor binding, and nutritional biochemistry.

Intrinsic factor is essential for the absorption of vitamin B12 in the small intestine. It binds cobalamin with high affinity and facilitates its uptake via receptor-mediated endocytosis. The AP enzyme provides robust signal amplification, making this conjugate ideal for colorimetric and chemiluminescent assays. Researchers working in gastroenterology, hematology, and autoimmune diagnostics rely on IF-linked conjugates to study B12 deficiency, pernicious anemia, and antibody-mediated interference with IF function.

This reagent is particularly useful in screening platforms for intrinsic factor antibodies, evaluating B12 bioavailability, and developing targeted delivery systems. It enables precise tracking and quantification of IF–cobalamin interactions in vitro, with high specificity and minimal background interference.

Key benefits:

  • Intrinsic factor conjugated to Alkaline Phosphatase for signal amplification
  • Clear, stable solution suitable for ELISA and receptor-binding assays
  • Supports vitamin B12 metabolism, absorption studies, and autoimmune diagnostics
  • Compatible with colorimetric and chemiluminescent detection platforms
  • Supplied at 0.05–0.2 mg/mL; store at –20°C to maintain activity
  • Biotechnology grade; filtered through 0.22 μm membranes

Products are for in vitro research use only (RUO).

References

  • Festen HP. Intrinsic factor secretion and cobalamin absorption. Scand J Gastroenterol Suppl. 1991;188:1–7.
  • Alpers DH, Russell-Jones G. Gastric intrinsic factor: the gastric and small intestinal stages of cobalamin absorption. Biochimie. 2013 May;95(5):989–994.
  • Nicolas JP, Guéant JL. Gastric intrinsic factor and its receptor. Baillieres Clin Haematol. 1995 Sep;8(3):515–531.
  • Wilson TH. Intrinsic factor and B12 absorption—A problem in cell physiology. Nutr Rev. 1965 Feb;23:33–35.
  • Rödbro P. Human gastric intrinsic factor secretion. Scand J Gastroenterol. 1969;4(6):473–475.
  • Kapadia CR et al. Intrinsic factor-mediated absorption of cobalamin by guinea pig ileal cells. J Clin Invest. 1983 Mar;71(3):440–448.
  • Marcoullis G, Rothenberg SP. Intrinsic factor-mediated intestinal absorption of cobalamin in the dog. Am J Physiol. 1981 Oct;241(4):G294–G299.
  • Irvine WJ. Immunoassay of gastric intrinsic factor and the titration of antibody to intrinsic factor. Clin Exp Immunol. 1966 Jan;1(1):99–118.
  • Jacob E, Glass GB. Localization of intrinsic factor and complement fixing intrinsic factor–intrinsic factor antibody complex in parietal cell of man. Clin Exp Immunol. 1971 Apr;8(4):517–527.
  • Tang LH et al. The intrinsic factor (IF)-cobalamin receptor binding site is located in the amino-terminal portion of IF. J Biol Chem. 1992 Nov 15;267(32):22982–22986.

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Product Resources:

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Copy of Technical Specifications

FeatureDetails
Viewing Head Siedentopf type trinocular head, inclined at 30°, Interpupillary adjustment 53mm to 75mm, graduated diopter on left eyetube (30mm I.D. eyetubes)
Eyepieces SWH10X Widefield high eyepoint eyepiece, Field No. 22, tube O.D. 30.0 mm
Nosepiece Quintuple
Quintuple LWD Planachromat Phase 10x, 20x
Condenser TC Condenser N.A. 0.30, W.D. 73.0mm
Stage180mm(X) x 245mm(Y) plain stage with replaceable glass insert with 45mm opening, Glass Stage plate insert
IlluminationKoehler without iris, with phase slider, 3W LED
WarrantyLIMITED LIFETIME WARRANTY

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