Linear condensation polymers from phenolphthalein and related compounds

Reproductive toxicology. Phenolphthalein.

Background: Projections of health and social care need are highly sensitive to assumptions about cohort trends in health and disability. We use a repeated population-based cross-sectional study from the Cambridgeshire centre of the UK Medical Research Council Cognitive Function and Ageing Study to investigate trends in the health of the young-old UK population Methods: Non-overlapping cohorts o...

Robust antimicrobial compounds and polymers derived from natural resin acids.

We report novel robust resin acid-derived antimicrobial agents that exhibit excellent antimicrobial activities against a broad spectrum of bacteria (6 Gram-positive and 7 Gram-negative) with selective lysis of microbial membranes over mammalian membranes. Our results indicate that hydrophobicity and unique structures of resin acids can be determining factors in dictating the antimicrobial activ...

Desulfonation of linear alkylbenzenesulfonate surfactants and related compounds by bacteria.

Pseudomonas putida S-313 (= DSM 6884) grew in sulfate-free medium when the sole sulfur source supplied was one of several arylsulfonates involved in the synthesis, application, or biodegradation of linear alkyl-benzenesulfonate (LAS) surfactants. 2-(4-Sulfophenyl)butyric acid, 4-n-butyl-1-methyl-6-sulfotetralin, and 4-toluenesulfonic acid were each completely utilized during growth, as were the...

Biodegradation of synthetic surfactants: linear alkylbenzenesulfonates (LAS) and related compounds

Strain DS-1 is a small (0.8 μm in length and 0.2 μm in diameter) heterotrophic member of the α-Proteobacteria able to ω-oxygenate the commercial surfactant linear alkylbenzenesulfonate (LAS) and shorten the sidechain by β-oxidation to yield sulfophenylcarboxylates. The morphotype is widespread in cultures able to utilise LAS, and a second organism with similar characteristics, strain AN-8, is n...

Health Risks from Dioxin and Related Compounds