As mentioned in the Preparation Note on the product webpage, the collagen is "prepared by a modification of the pepsin extraction and salt fractionation method of Niyibizi, C., et al., J. Biol. Chem., 259, 14170 (1984). It is an acid soluble collagen that can be dissolved in water with acetic acid added to pH 3.0 (5 mg/mL), yielding an opalescent, colorless solution.
The presence of Atelo or Telo collagen is not determined.
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 mg | Available to ship onSeptember 23, 2026fromMILWAUKEE | $243.00 |
25 mg | Available to ship onSeptember 23, 2026fromMILWAUKEE | $958.00 |
About This Item
Product Name
Collagen from human placenta, Bornstein and Traub Type I (Sigma Type VIII), powder
biological source
human placenta
Quality Segment
form
powder
technique(s)
cell culture | mammalian: suitable
impurities
HIV, hepatitis B and hepatitis C, none detected
storage temp.
2-8°C
Gene Information
bovine ... CSN2(281099), CSN3(281728)
human ... COL4A3(1285), COL4A4(1286), COL4A6(1288)
Application
Biochem/physiol Actions
Preparation Note
Other Notes
1 of 1
This Item | |||
|---|---|---|---|
| description Bornstein and Traub Type I (Sigma Type VIII), powder | description Bornstein and Traub Type IV, solution, suitable for cell culture, High Performance | description Bornstein and Traub Type IV, 0.3 mg/mL, sterile-filtered, BioReagent, suitable for cell culture | description 1 mg/mL, solution, BioReagent, suitable for cell culture |
| biological source human placenta | biological source human placenta | biological source human cell culture | biological source human |
| technique(s) cell culture | mammalian: suitable | technique(s) cell culture | mammalian: suitable | technique(s) cell culture | mammalian: suitable | technique(s) cell culture | mammalian: suitable |
| form powder | form solution | form solution | form solution |
| impurities HIV, hepatitis B and hepatitis C, none detected | impurities HIV, hepatitis B and hepatitis C, none detected, Endotoxin, tested | impurities HIV-1/HIV-2, none detected, HBSAG, none detected, HCV, none detected | impurities <2% collagen type I, <1% collagen type III, <0.5% non-collagen proteins, <2% collagen type IV |
| storage temp. 2-8°C | storage temp. −20°C | storage temp. −20°C | storage temp. −20°C |
| Gene Information bovine ... CSN2(281099), CSN3(281728) | Gene Information human ... COL4A1(1282), COL4A2(1284), COL4A3(1285), COL4A4(1286), COL4A5(1287), COL4A6(1288) | Gene Information human ... COL4A1(1282) | Gene Information human ... COL5A1(1289), COL5A2(1290) |
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Storage Class
11 - Combustible Solids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
Eyeshields, Gloves, type N95 (US)
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Is Human Collagen Type I, (Cat # C7774) isolated enzymatically or by acid extraction? Atelo or Telo?
1 answer-
Helpful?
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해당 제품의 순도가 궁금합니다.
1 answer-
Unfortunately, the purity of this product is not determined. An SDS-PAGE is performed and the electrophoretic profile is confirmed to be consistent with past lots. For additional information please see the link below to the product datasheet:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/348/610/c7774pis.pdfHelpful?
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