Effectively screen colonies with X-Gal, an inert chromogenic substrate for beta-galactosidase which hydrolyzes X-Gal, forming an intense blue precipitate.
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Stabilize enzymes and other proteins which possess free sulfhydryl groups with DTT, shown to restore activity lost by oxidation of these groups in vitro.
Get convenience and high performance at a low cost in firefly luciferase reporter assays with our D-Luciferin, formulated at greater than 99% purity as both monosodium and monopotassium salts.