Stair Railings. Guard rails are required on the sides of stairs with a total rise of more than 30 above the floor or grade below. On this project we used Deckorators aluminum balusters, stair connectors, post caps and rail connectors.
DMSO is used topically, in medication and intravenously. The only FDA-approved use of DMSO is for interstitial cystitis, a type of bladder inflammation. However, other countries approve DMSO for many more uses.
Thermo Scientific IPTG (isopropyl-beta-D-thiogalactopyranoside) is a highly stable synthetic analog of lactose. It inactivates the lac repressor and induces synthesis of beta-galactosidase, an enzyme that promotes lactose utilization. IPTG is used to induce expression of cloned genes under control of the lac operon.It is used in conjunction with X-Gal (#R0941) to determine the lac phenotype in blue/white colony screening. Applications. â¢ Blue/white colony screening to distinguish recombinant (white) from non-recombinant (blue) colonies.t inactivates the lac repressor and induces synthesis of beta-galactosidase, an enzyme that promotes lactose utilization. IPTG is used to induce expression of cloned genes under control of the lac operon. It is used in conjunction with X-Gal (#R0941) to determine the lac phenotype in blue/white colony screening.