Sigma Reference Standard
Catalog Number C9774
Lot Number 076K8807
Storage Temperature 2–8 °C
CAS RN 67-97-0
Synonyms: Activated 7-dehydrocholesterol; Calciol;
9,10-Secocholesta-5,7,10(19)-trien-3
a solution in phosphate buffered
saline, pH 7.4, with 0.02% TWEEN® 20.
Specific activity: ≥ 1×108 units/mg.
The biological activity of recombinant human LIF is
measured by its ability to induce
lot-specific Certificate of Analysis)
• Particles per mL: ~5 × 108
• Particles per mg: ~5 × 108
Storage/Stability
Store this product at 2-8 °C for long-term storage.
e
n
c
e
104 105 106 107 108 109 1010-5 -4 -3 -2 -1 0 1 2
0.0
250000.0
500000.0
750000.0
1000000.0
1250000.0
lu
m
in
e
s
e
n
c
e
104 105 106 107 108 109 1010
1
between 1.67 x 108 and
2.30 x 108 CFU/disk and retentive
filters had LRVs reported as “>8.22”
to “>8.36”. The data from these
experiments are found in Table 1.
47 10.1 3.72 115 55 13.6 7.45 108
46 10.3
Azacytidine, DNA
methylation, and differentiation. Current Topics in
Microbiology and Immunology, 108, 115-127
(1984).
4. Jones, P.A. at al., Inhibition of DNA methylation by
5-azacytidine
Immunol. Methods, 36, 55-61 (1980).
14. Mäkinen, K.K. and Tenovuo, J., Analytical Biochemistry, 126, 100-108 (1982).
Sigma warrants that its products conform to the information contained in this and other
indirect
immunofluorescent labeling of bovine lens frozen 2. Sandilands, A., et al., J. Cell Sci., 108, 1397
sections. (1995).
In order to obtain best results, it is recommended that
each user determine
use.
References
1. Sandilands, A., et al., Eur. J. Cell Biol., 67, 238
(1995).
2. Sandilands, A., et al., J. Cell Sci., 108, 1397 (1995).
3. Georgatos, S., et al., Bio Essays, 16, 413 (1994).