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文献和实验A Simple and Reliable Assay of Proteoglycan Synthesis by Cultured Chondrocytes
of treatment, the secretion medium containing radiolabeled neosynthesized secreted proteoglycans (SP) is harvested, and cell-associated proteoglycans (CAP) are extracted with guanidine hydrochloride for 48 h. Aliquots of medium and cell extracts are distributed
Staining C. elegans for ß-galactosidase
as possible using a pipetteman. 3. Cap the tubes and freeze in liquid nitrogen. Open the caps and stick in a vacuum jar or speed vac for about 45 minutes to lyophilize. 4. Add ~250 ul cold acetone, and let sit in the freezer 3 min. Remove
can now serve as primers for DNA synthesis by E. coli Pol I. This enzyme will also translate the "nicks" to effectively remove the RNA primers: Note that we will potentially have either a residual 5' RNA cap region, or a gap
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