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There have been breakthroughs in the development of covalent organic frameworks (COFs) with tunability of composition, structure… Expand A multi-analyte method without any pre-treatment steps using reversed-phase liquid chromatography-electrospray ionization-tandem… Expand Solid phase analytical derivatization with trifluoroacetic anhydride has been introduced as sample preparation for the… Expand 4,4'-Methylenediphenyl diisocyanate (MDI) is the most important of the isocyanates used as intermediates in the chemical industry… Expand A series of bimetallic complexes of ruthenium(II) bridged by heterocyclic ligands formed by the condensation of 4,5-diazafluoren… Expand 4,4'-Methylenedianiline (MDA) and 4,4'-methylenediphenyl diisocyanate (MDI) are important intermediates in the production of… Expand 4,4'-Methylenediphenyl diisocyanate (MDI) is the most widely used isocyanate in the manufacture of polyurethanes. MDI has been… Expand The in vivo‐in vitro hepatocyte DNA repair assay has been shown to be useful for studying genotoxic hepatocarcinogens. In… Expand A sensitive and specific gas chromatography/mass spectrometry (GC/MS) method has been developed for the analysis of 4,4… Expand Sixteen aromatic amines and azo-derivatives were studied. They were: benzidine; 2-acetylaminofluorene; 3'-methyl-p… Expand