If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
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925802
Silk fibroin
average mol wt 100 kDa (water soluble)
Synonim(y):
SilMA, Silk fibroin
Informacje o tej pozycji
mol wt
average mol wt 100 kDa (water soluble)
color
white to off-white
pH
6-8 (2% in water, when dissolved in water)
General description
Silk fibroin is used in biomedical applications due to its enhanced biocompatibility and biodegradability.
Silk fibroin (SF) demonstrates enhanced strength and stability compared to other common natural polymers due to its unique features including;
- amphiphilicity
- hydrophobicity
- substantial hydrogen bonding
- intrinsic low viscosity
- high protein crystallinity by β-sheet crystals.
Application
Packaging
1 of 1
Ta pozycja | |||
|---|---|---|---|
| color white to off-white | color - | color white to off-white | color - |
| pH 6-8 (2% in water, when dissolved in water) | pH - | pH 6-7 ( in water) | pH - |
| mol wt average mol wt 100 kDa (water soluble) | mol wt avg mol wt 100 kDa | mol wt average mol wt >10000 | mol wt 8500-11500 |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
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Klasa składowania
11 - Combustible Solids
wgk
WGK 3
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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