To assess the two screening tests, the researchers periodically obtained urine samples between 1991 and 1997 from 1,788 Chinese men and women who had worked with benzidine
dyes in clothing factories during the 1970s.
Chemical Common exposure sources 1,3-Butadiene Gasoline, vehicle exhaust, tobacco smoke, heating of some cooking oils Acrylamide Cooked food, tobacco smoke, water-treatment by-products, some consumer products Aromatic amines I: Uncured or newly finished polyurethane foam, TDA and TDIs spray-in insulation, sealants and coatings, some breast implants Aromatic amines II: Hair and textile dyes; used in the production benzidine
and of paints, printing inks, liquid crystal aniline dyes, displays, and inkjet and laser printers, and combustion products, in the food industry other Benzene Gasoline, vehicle exhaust, tobacco smoke, solvents Halogenated organic Dry cleaning, spot remover, glues, degreasers, solvents (e.
Of these workers, 514 (21%) men and 287 (13%) women were exposed to [beta]-naphthylamine or benzidine
was the substrate developed as a chromogen.
Patent Number 5,153,222, titled "Method of Treating Pulmonary Hypertension with Benzidine
Prostaglandins," was originally scheduled to expire on October 6, 2009.
Pyromellitic dianhydride (PMDA) and benzidine
(BZD) are also commercially available, and were used as received.
2] treatment was installed at the Bofors Nobel Superfund Site, located near Muskegon, MI (USA), for the decomposition of hazardous wastewaters containing benzene, toluene, chlorobenzene, tetrachloroethane, benzidine
This test is based diazotized benzidine
derivatives with pinocembrin, pinobanksin, pinosylvin and pinosylvin monomethyl ether, phenolic constituents in the pine heartwood.
cyclophosphamide, benzo(a)pyrene, and benzidine
in male, female, pregnant female, and fetal mice.
1 followed by horseradish peroxidase-conjugated streptavidin (GE Healthcare) and 3,3',5,5'-tetramethyl benzidine
(Kirkegaard & Perry Laboratories) as the substrate.
After similar washing, a tetra-methyl benzidine
substrate (Zymed Laboratories, San Francisco, CA) was added and incubated for 15 min at room temperature.
The poly(amic acid) (PAA) was prepared by combining pyromellitic dianhydride (PMDA) and benzidine
in DMAc at room temperature .