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C3867 Sigma

Collagen, Type I solution from rat tail

BioReagent, suitable for cell culture, sterile-filtered

Synonym: Collagen from rat tail

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Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Application

Used as a coating material to support adherent cells growth and differentiation.

Other Notes

Collagen is classified into a number of structurally and genetically distinct types. We use the nomenclature proposed by Bornstein and Traub. Do not confuse Sigma type designations with recognized collagen classification types.

Preparation Note

Recommended for use as a cell culture substratum. May not be suitable for 3-D gel formation.

Sterile solution prepared from rat tail tendons by a modification of the published extraction method 1. It is supplied as an aqueous solution in 20mM acetic acid with a protein concentration as stated on the bottle. (approx.100mg protein per vial). Protein concentration was estimated by the Biuret method 2.
SDS polyacrylamide gel electrophoresis analysis shows the typical band pattern for Type I collagen, with a doublet at apparent molecular weights of 115 and 130kDa and another doublet at 215 and 235kDa. Based on this analysis, the purity of the collagen sample is >95%.

Price and Availability


All labs need water
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1

Documents

Certificate of Analysis

Certificate of Origin

Frequently Asked Questions

How does the storage temperature relate to shipping conditions?
The storage conditions that a Sigma-Aldrich catalog and label recommend for products are deliberately conservative. For many products, long-term storage at low temperatures will increase the time during which they are expected to remain in specification and therefore are labeled accordingly. Where short-term storage, shipping time frame, or exposure to conditions other than those recommended for long-term storage will not affect product quality, Sigma-Aldrich will ship at ambient temperature. The products sensitive to short-term exposure to conditions other than their recommended long-term storage are shipped on wet or dry ice. Ambient temperature shipping helps to control shipping costs for our customers. At any time, our customers can request wet- or dry-ice shipment, but the special handling is at customer expense if our product history indicates that the product is stable for regular shipment. http://www.sigmaaldrich.com/etc/medialib/docs/Sigma-Aldrich/General_Information/shippingandlong-termstoragev3.Par.0001.File.tmp/shippingandlong-termstoragev3.pdf
How are collagen solutions stored?
Collagen solutions should be stored in the refrigerator at 2-8 °C for up to 1 year, unless it becomes contaminated.
Why am I seeing some insolubles in my collagen solution?
The solubility specifications for this product is clear to hazy colorless solution with a few insolubles at 1 mg/ml in water with 2 µl acetic acid (or 0.1 N acetic acid). The insolubles can be removed by settling or centrifugation.
How can I make a 3-D collagen gel?
Not all lots of C7661 are suitable for 3D gels. Product No. C4243 has been use-tested in this application. If C4243 is not available, we recommend that customers screen lots of C7661 to try to make 3D gels. We have found that collagen that has been sterilized by gamma-irradiation or by chloroform cannot be used to make 3D collagen gels. The following protocol can be used to make collagen gels: Materials required: Collagen gel solution 1.5 - 3 mg/mL 10X tissue culture medium containing phenol red Sodium bicarbonate or HEPES buffer Procedure: 1. Measure out 800 µL of collagen solution. 2. Add 100 µL of 10X medium (buffered with 1X sodium bicarbonate or HEPES) 3. Adjust pH with 1 N sodium hydroxide, if required (100 µl or less) 4. Add 10X medium to bring volume to 1 ml 5. Mix contents well. Solution should maintain red color to indicate physiological pH 6. Dispense into wells to a depth of 1-2 mm (approx. 15 µL/well) 7. Transfer to 37 °C for 20-40 minutes 8. Examine for gel formation The above volumes represent quantities for use in 24 well plates. Volumes can be adjusted to accommodate any culture vessel.
Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
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, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
  What kind of solution is the A5955 - Antibiotic Antimycotic Solution (100×), Stabilized product suspended in?
A5955 - Antibiotic Antimycotic Solution (100×), Stabilized is supsended in a sodium citrate buffer solution. Source: Israel production group
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Peer-Reviewed Papers
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References

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