Correspondingly, it is increasingly appreciated that the relationship between a T cell and self-peptide presented in the context of MHC (self-pMHC) is more nuanced than providing a simple life-death signal [5]. Subtle differences in T cell self-reactivity within a permissible spectrum are ...
Employers that have not received updated SDSs or labels for some of thehazardous chemicalsthey use in their business will not be cited by OSHA. However, Once they receive the new (HCS 2012-compliant) SDSs, they must maintain them. GHS Pictograms and Hazard Classes The Globally Harmonized Syst...