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Parvibaculum lavamentivorans DS-1(T) utilized the commercial surfactant linear alkylbenzenesulfonate (LAS) (20 congeners with C(10) to C(13) side chains) as a carbon and energy source by shortening the side chain, and sulfophenylcarboxylates (SPCs) and similar compounds (e.g., alpha,beta-unsaturated SPCs [SPC-2Hs]) were excreted with quantitative recovery(More)
Aims: The aims were to test whether Parvibaculum lavamentivorans T degraded commercial linear alkylbenzene-sulphonate (LAS) surfactant via x-oxygenation and b-oxidation to sulphophenylcarboxylates (SPCs), whether the organism was widespread and reisolable, and whether the degradative community used the 4-sulphocatechol 1,2-dioxygenase to cleave the aromatic(More)
Commercial linear alkylbenzenesulfonate (LAS) contains 20 congeners of linear alkanes (C(10) to C(13)) substituted subterminally with the 4-sulfophenyl moiety in any position from lateral to central. Parvibaculum lavamentivorans DS-1(T) degrades each of eight laterally substituted congeners [e.g., 2-(4-sulfophenyl)decane (2-C10-LAS); herein, compounds are(More)
High resolution mass spectrometry (HRMS) was successfully applied to elucidate the structure of a polyfluorinated polyether (PFPE)-based formulation. The mass spectrum generated from direct injection into the MS was examined by identifying the different repeating units manually and with the aid of an instrument data processor. Highly accurate mass spectral(More)
Volatile per- and polyfluoroalkyl substances (PFASs) are often used as precursors in the synthesis of nonvolatile PFASs. The volatile PFASs, which include the perfluoroalkyl iodides (PFAIs), fluorotelomer iodides (FTIs), fluorotelomer alcohols (FTOHs), fluorotelomer olefins (FTOs), fluorotelomer acrylates (FTACs), and fluorotelomer methacrylates (FTMACs),(More)
Namomanipulation using atomic force or scanning tunnelling microscopy (AFM, STM) has attracted much attention among researchers in recent years. But even on an international scale, nanomanipulation is operated mostly in manual mode. A scientist carefully carries out each individual move of the manipulator tip in order to avoid a dead-end situation. The(More)
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