This product is soluble in water up to 20 mg/mL. Alternatively, a buffer such as phosphate-buffered saline at a neutral pH can be used. Stability in solution has not been tested.
H0267
Hämoglobin A0, eisenhaltig, stabilisiert human
lyophilized powder
Synonym(e):
Hemoglobin A0 Ferrous Stabilized, Hemoglobin-A0
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About This Item
Empfohlene Produkte
Biologische Quelle
human
Qualitätsniveau
Assay
97-100% (agarose gel electrophoresis)
Form
lyophilized powder
Methode(n)
immunofluorescence: suitable
Löslichkeit
H2O: soluble 20 mg/mL
Eignung
suitable for electrophoresis and chromatography standard
UniProt-Hinterlegungsnummer
Lagertemp.
−20°C
Angaben zum Gen
human ... HBB(3043)
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Allgemeine Beschreibung
Anwendung
- als nicht fluoreszierender Absorber bei der Herstellung von Gewebe-nachahmenden Phantomen[1]
- zur Untersuchung, wie koronare Intraplaque-Blutungen einen neuartigen atheroprotektiven Makrophagenphänotyp hervorrufen[2]
- zur Untersuchung der gegenseitigen Beeinflussung von Hämoglobin (Hb) A0, HbA2 und HbS in HbF-Tests[3]
Biochem./physiol. Wirkung
Verpackung
Rekonstituierung
Haftungsausschluss
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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Which the buffer solution can dissolve it, how to prepare the buffer solution? After dissolving, how to store and what is the stability?
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From which buffer was Product H0267 lyophilized? Did this buffer contain primary amines?
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Before lyophilyzation, ficoll & sucrose are added stabilizers & the hemoglobin is dialyzed against 25 mM ammonium bicarbonate containing 0.1 mM EDTA. It is expected that after lyophilization, there should be virtually no or substantially reduced ammonium bicarbonate. Stabilizers are the major components of the final product.
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Does the product, H0267, contain HbA1c?
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The glycation level of this product, i.e., HbA1c, has not been characterized.
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What is the solution stability of Product H0267, Hemoglobin A0?
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Solutions of ferrous hemoglobin are not stable indefinitely due to the likely autoxidation of the heme group leading to the formation of the ferric derivative (methemoglobin). It is recommended to prepare solutions fresh in deaerated water or buffer. If necessary, store such prepared solutions no more than 1-2 days at 2-8°C.
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Is there methemoglobin in Product H0267, Hemoglobin A0?
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The product may contain a small amount of methemoglobin as described on the specification sheet.
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What is the structure of Product H0267, Hemoglobin A0?
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Hemoglobin A0 is the major hemoglobin protein of adult hemoglobin. It is a tetrameric protein consisting of 2 alpha and 2 beta chains, each of which contains a heme moiety and iron.
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Can Product H0267, Hemoglobin A0, be used in functional studies involving the binding and release of oxygen as a ligand?
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Sigma has not validated this hemoglobin for use in functional studies. The iron in the heme moiety is in the +2 state. However, this does not mean that this hemoglobin will behave necessarily like native hemoglobin nor be useful for functional studies of the molecule.
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How can Product H0267, Hemoglobin A0, be dissolved?
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Hemoglobin is soluble in water at 20 mg/mL. Solutions in phosphate buffer at about neutral pH can also be prepared.
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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What is the molecular weight of H0267 Hemoglobin A0?
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Sigma has not evaluated the molecular weight of hemoglobin. Based on the reported sequence and including the weight of the 4 heme groups and 4 iron atoms, the molecular weight is approximately 64,677 Daltons. The Structure and Action of Proteins, p. 52, Harper and Row (1969).
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