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Store powder IPTG desiccated at -20°C
Forms a colorless or nearly colorless solution when dissolved 1% in 1M HCl or water
stop the reaction with acid and read the absorbance at 450 nm for quantification
ONPG releases galactose along with a chromogenic yellow compound
Dispose of waste and unused material according to institutional
Guanidine thiocyanate (Guanidine Isothiocyanate) 58186279 Store powder IPTG desiccated atDuring cell lysis and the extraction of DNA or RNA, denaturing enzymes such as DNase and RNase are released. To prevent DNA or RNA denaturation, the chaotropic agent, Guanadine thiocyanate is the preferred agent for use during cell lysis, and for DNA or RNA extraction. This is because of its strong ability to irreversibly inhibit the activity of DNase and RNase. Guanadine thiocyanate has also been effective in deactivating enveloped viruses; however,
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