This product has not been tested for freeze-thaw stability. However, in powder form, repeatedly removing this product from a freezer for the purpose of preparing fresh solutions, is not expected to be detrimental to the protein. Prepared solutions may be stored up to 1 week at 2 - 8 °C. It is not recommended to freeze stock solutions, as the freeze-thaw process may lead to protein degradation.
Please see the link below to review additional information available in the product datasheet:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/299/301/f4883pis.pdf
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| À vous/Référence | Disponibilité | Prix |
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A propos de cet article
biological source
human plasma
Quality Segment
description
essentially plasmin(ogen) free
form
powder
quality
35-65% protein (≥90% of protein is clottable).
mol wt
α-chain 63.5 kDa, β-chain 56 kDa, γ chain 47 kDa (about 4% carbohydrate content), soluble dimer 340 kDa
concentration
35-65% protein (biuret)
technique(s)
cell culture | mammalian: suitable
solubility
0.9% NaCl: soluble
storage temp.
−20°C
General description
Application
- l'essai d'adsorption du fibrinogène réalisé sur des nanotubes de carbone à simple paroi (swCNT)
- la caractérisation de la structure du fibrinogène en présence de nanotubes de carbone à l'aide de spectroscopie par dichroïsme circulaire et de balayage de température[2]
- la préparation de suspensions d'érythrocytes obtenus à partir du sang veineux de la veine antécubitale pour évaluer leur potentiel d'agrégation[3]
- l'essai de fibrinolyse réalisé sur des fibroblastes embryonnaires de souris (MEF)[4]
- la préparation de fibrinogène marqué à l'or (Fgn/Au)[5]
- la quantification de l'angiogenèse in vitro par les cellules endothéliales microvasculaires humaines[6] et
- l'évaluation de l'apoptose induite par la fibrine et la régulation de la différenciation dans les trophoblastes obtenus à partir de placentas humains à terme.[7]
Biochem/physiol Actions
Features and Benefits
Physical form
Analysis Note
Disclaimer
1 of 1
Cet article | |||
|---|---|---|---|
| biological source human plasma | biological source human plasma | biological source human plasma | biological source rat plasma |
| technique(s) cell culture | mammalian: suitable | technique(s) ELISA: suitable | technique(s) indirect ELISA: suitable | technique(s) cell culture | mammalian: suitable, immunoblotting: suitable |
| concentration 35-65% protein (biuret) | concentration 50-70% protein (biuret) | concentration - | concentration 60-80% (biuret) |
| form powder | form powder | form powder | form powder |
| mol wt α-chain 63.5 kDa, γ chain 47 kDa (about 4% carbohydrate content), β-chain 56 kDa, soluble dimer 340 kDa | mol wt α-chain 63.5 kDa, β-chain 56 kDa, γ chain 47 kDa (about 4% carbohydrate content), soluble dimer 340 kDa | mol wt - | mol wt α-chain 63.5 kDa, β-chain 56 kDa, γ chain 47 kDa (about 4% carbohydrate content), soluble dimer 340 kDa |
| solubility 0.9% NaCl: soluble | solubility 0.9% NaCl: soluble 10 mg/mL | solubility - | solubility - |
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Classe de stockage
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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storage and thawing Is it possible to store at -20 freezer and repeated freezing and thawing
1 réponse-
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F4883-500MG contains Sodium Citrate and Sodium Chlorure. Is it possible to have their concentration ? What is the volume of sodium chloride we have to put in the bottle please?
1 réponse-
This material is lyophilized from a solution of 75 mM NaCl (4.39 mg/mL), 10 mM Na Citrate (2.94 mg/mL). It can be solubilized in 0.85% (w/v) sodium chloride to 2 mg/ml, by layering the protein on top of the saline solution and placing it in a 37°C water bath for 4-6 hours, with gentle agitation.
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Hello. For your F4883-500MG Fibrinogen product, is there 500mg of pure fibrinogen in the vial? Or is there 500 mg of reagent - of which a fraction is clottable Fibrinogen? Do you have preparation instructions for this reagent?
1 réponse-
F4883-500MG contains 500 mg of solid. Fibrinogen can be solubilized in 0.85% (w/v) sodium chloride (2 mg/ml) by layering the protein on top of the saline solution and placing it in a 37 °C water bath for 4-6 hours with gentle agitation.
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