First came the news that Groupon China's marketing director resigned even before the company got really started. A suspicious timing to leave a business in my opinion. Then came the Superbowl Groupon ad that was very politically insensitive, to say it mildly.
53 6 CONCLUSIONS ON THE SVHC PROPERTIES 6.1 PBT, vPvB assessment Not assessed for the identification of this substance as SVHC in accordance with Article 57(f). 6.2 CMR assessment Not assessed for the identification of this substance as SVHC in accordance with Article 57(f).ue to the even slower degradation of 4-nonylphenol compared to 4-NP1-2EO (DegT50 46.2 days (primary degradation) to no elimination after 703 day in anaerobic freshwater sediment-depending on linear or branched isomers), it can be assumed that the formation of 4-nonylphenol exceeds its degradation.
The phenol extraction technique is often used to purify samples of nucleic acids taken from cells. To obtain nucleic acid samples, the cell must be lysed and the nucleic acids separated from all other cell materials.here are two reasons why phenol makes such an effective purifier for nucleic acid samples. The first is that it is a non-polar compound. Because nucleic acids are highly polar, they do not dissolve in the presence of phenol.