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Showing 1-30 of 88 results for "45993" within Papers
Joanna Stragierowicz et al.
Medycyna pracy, 63(5), 565-572 (2013-02-05)
Based on the studies performed a sensitive and simple method for the determination of benzene and styrene metabolites in urine has been developed. The developed procedure can be used for biological monitoring of occupational and environmental exposure. Urine samples for
JosƩ Rueff et al.
Clinica chimica acta; international journal of clinical chemistry, 399(1-2), 8-23 (2008-10-11)
Styrene is a commercially important chemical widely used in the manufacture of synthetic rubber, resins, polyesters, and plastics. The highest levels of human exposure to styrene occurs in occupational settings, especially during the production of reinforced plastic products, which involve
Daniela Saviello et al.
Analytica chimica acta, 843, 59-72 (2014-08-26)
Synchrotron-based Fourier transform infrared micro-spectroscopy (SR-Ī¼FTIR) was used to map photo-oxidative degradation of acrylonitrile-butadiene-styrene (ABS) and to investigate the presence and the migration of additives in historical samples from important Italian design objects. High resolution (3Ɨ3 Ī¼m(2)) molecular maps were
M Kuricova et al.
Toxicology and applied pharmacology, 207(2 Suppl), 302-309 (2005-07-05)
1-SO-adenine DNA adducts, DNA single-strand breaks (SBs), chromosomal aberrations (CAs), mutant frequency (MF) at the HPRT gene, and immune parameters (hematological and of humoral immunity) were studied in styrene-exposed human subjects and controls. Results were correlated with genetic polymorphisms in
Ya-Jie Xie et al.
Analytical and bioanalytical chemistry, 404(10), 3189-3194 (2012-10-12)
Near infrared spectroscopy (NIRS) has been proved to be a powerful analytical tool in different fields. However, because of the low sensitivity in near infrared region, it is a significant challenge to detect trace analytes with normal NIRS technique. A
Peter J Oefner et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 782(1-2), 27-55 (2002-11-30)
The introduction of alkylated, nonporous poly-(styrene-divinylbenzene) microparticles in 1992 enabled the subsequent development of denaturing HPLC that has emerged as the most sensitive screening method for mutations to date. Denaturing HPLC has provided unprecedented insight into human origins and prehistoric
Michał Brokl et al.
Journal of chromatography. A, 1370, 216-229 (2014-12-03)
A method involving headspace solid-phase microextraction (HS-SPME) and comprehensive two-dimensional gas chromatography (GCƗGC) coupled to time-of-flight mass spectrometry (TOFMS) was developed and applied to evaluate profiles of volatile compounds present in mainstream tobacco smoke particulate matter trapped on glass fiber
Obliterative bronchiolitis in workers laying up fiberglass-reinforced plastics with polyester resin and methylethyl ketone peroxide catalyst.
Chi-Hsien Chen et al.
Occupational and environmental medicine, 70(9), 675-676 (2013-06-07)
B W Lawton et al.
International archives of occupational and environmental health, 79(2), 93-102 (2005-09-10)
The objective of this study was to review critically a number of occupational investigations of the exposure and effect relation between inhaled styrene vapour and hearing loss. There is concern that workers' hearing may be impaired by exposure to styrene
Elisabetta M Zanetti et al.
Journal of sports sciences, 31(7), 767-778 (2012-12-13)
Artificial turf is being used more and more often. It is more available than natural turf for use, requires much less maintenance and new products are able to comply with sport performance and athletes' safety. The purpose of this paper
M Fathy et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 4063-4070 (2013-08-06)
Copolymer of styrene, and vinylpyrrolidone was prepared by various techniques. Different nanometals and nanometal oxides were added into the copolymer as antimicrobial agents against Sulfate Reducing Bacteria (SRB). The nanocomposite chemical structure was confirmed by using FTIR, (1)H NMR spectroscopy
N A Brown et al.
Regulatory toxicology and pharmacology : RTP, 32(3), 228-247 (2001-02-13)
The reproductive and developmental toxicity of styrene has been studied in animals and humans. The animal studies on styrene have diverse study designs and conclusions. Developmental or reproductive toxicity studies have been conducted in rats, mice, rabbits, and hamsters. In
C R Kirman et al.
Journal of toxicology and environmental health. Part A, 75(21), 1280-1297 (2012-10-04)
A screening-level risk assessment was conducted for styrene-acrylonitrile (SAN) Trimer detected at the Reich Farm Superfund site in Toms River, NJ. Consistent with a screening-level approach, on-site and off-site exposure scenarios were evaluated using assumptions that are expected to overestimate
MƔria PolƔkovƔ et al.
Central European journal of public health, 20(3), 226-232 (2013-01-05)
Mandelic acid (MA) is an important metabolite of styrene. In humans, measurement of its concentration in urine provides an important assessment of the overall level of styrene exposure in workers of the reinforced plastic manufacturing industry. The aim of our
A comprehensive evaluation of the potential health risks associated with occupational and environmental exposure to styrene.
Joshua T Cohen et al.
Journal of toxicology and environmental health. Part B, Critical reviews, 5(1-2), 1-265 (2002-05-16)
R David Grigg et al.
Journal of the American Chemical Society, 134(39), 16131-16134 (2012-09-19)
A Cu(I)-catalyzed 1,3-halogen migration reaction effectively recycles an activating group by transferring bromine or iodine from a sp(2) to a benzylic carbon with concomitant borylation of the Ar-X bond. The resulting benzyl halide can be reacted in the same vessel
Dalia Y Sosa et al.
Molecules (Basel, Switzerland), 20(1), 52-69 (2014-12-30)
The semicontinuous heterophase polymerization of styrene in the presence of cross-linking and porogen agents was carried out. Latexes with close to 20% solid content, which contained mesoporous nanoparticles with 28 nm in average diameters, up to 0.5 cm3/g in porosity
Giovanna Tranfo et al.
La Medicina del lavoro, 103(5), 402-412 (2012-10-20)
Styrene is used in manufacturing fiberglass reinforced plastics: and occupational exposure was related to neurotoxicology and genotoxicity. The sum of the metabolites mandelic and phenylglyoxylic acids is the ACGIH biomarker for occupational exposure with a BEI of 400 mg/g of
Jaime MartĆ­n et al.
Nature communications, 5, 5130-5130 (2014-10-25)
Three-dimensional (3D) nanostructures combine properties of nanoscale materials with the advantages of being macro-sized pieces when the time comes to manipulate, measure their properties or make a device. However, the amount of compounds with the ability to self-organize in ordered
Rachel Morrison et al.
Pharmaceutical research, 31(10), 2904-2917 (2014-05-06)
To design and synthesize chemoembolization particles for the delivery of Ophiobolin A (OphA), a promising fungal-derived chemotherapeutic, directly at the tumour location. To investigate cell death mechanism of OphA on a Rhabdomyosarcoma cancer (RD) cell line. Rhabdomyosarcoma is the most
Shengliu Wang et al.
Journal of colloid and interface science, 389(1), 126-133 (2012-10-03)
When dispersion polymerization of styrene (St) had run for 3h, after particle rapidly growing stage, 4,4'-dimethacryloyloxybenzophenone (DMABP) cross-linker was added to reaction system and photoreactive, core(PSt)-shell(Poly(St-co-DMABP)) particles with rich benzophenone (BP) groups on surface were prepared. Polymerization of DMABP could
Kesheng Wu et al.
Talanta, 129, 431-437 (2014-08-17)
A magnetic solid-phase extraction method (MSPE) was developed to pre-concentrate and cleanup clenbuterol (CLE) from pork muscle. Novel sulfonated polystyrene magnetic nanobeads (spMNBs) were synthesized via a one-pot emulsion copolymerization method by using divinylbenzene, styrene, and sodium styrene sulfonate in
GC/MS-based analysis of volatile metabolic profile along in vitro differentiation of human induced pluripotent stem cells
Capuano R, et al.
Scientific reports (2017)
Sandra Ritz et al.
Biomacromolecules, 16(4), 1311-1321 (2015-03-21)
Understanding nanoparticle-protein interactions is a crucial issue in the development of targeted nanomaterial delivery. Besides unraveling the composition of the nanoparticle's protein coronas, distinct proteins thereof could control nanoparticle uptake into specific cell types. Here we differentially analyzed the protein
Seon Ju Yeo et al.
Soft matter, 11(8), 1582-1588 (2015-01-17)
Colloidal photonic crystals (CPCs) provide a convenient way to generate structural colour with high stability against degradation under environmental factors. For a number of applications including flexible electronic and energy devices, it is important to generate flexible structural colour that
I Linhart
Drug metabolism reviews, 33(3-4), 353-367 (2002-01-05)
Metabolism of styrene, an important industrial monomer, is reviewed. Attention is focused on the stereoselectivity of its oxidation to 7,8-styrene oxide as well as on further stereoselective biotransformation by hydrolytic and mercapturic acid pathway. Toxic effects such as mutagenicity, genotoxicity
Xiaomeng Li et al.
Colloids and surfaces. B, Biointerfaces, 102, 210-217 (2012-09-26)
Hyaluronic acid (HA) is an important component of extracellular matrix (ECM) in many tissues, providing a hemocompatible and supportive environment for cell growth. In this study, glycidyl methacrylate-hyaluronic acid (GMHA) was first synthesized and verified by proton nuclear magnetic resonance
Visible light photocatalysis of [2+2] styrene cycloadditions by energy transfer.
Zhan Lu et al.
Angewandte Chemie (International ed. in English), 51(41), 10329-10332 (2012-09-12)
You Jin Choi et al.
Journal of chromatography. A, 1314, 306-312 (2013-09-26)
Solution styrene-butadiene rubber (SSBR) is mainly constituted of a random copolymer of styrene and butadiene. SSBR usually contains microgels, having ultrahigh molecular weight (M>10(7)g/mol), affecting rheological properties of the rubber. Thus, determinations of M and size distribution of these microgels
Chun-Yu Ho et al.
Angewandte Chemie (International ed. in English), 54(15), 4512-4516 (2015-02-07)
An asymmetric tail-to-tail cross-hydroalkenylation of vinylarenes with terminal olefins was achieved by catalysis with NiH complexes bearing chiral N-heterocyclic carbenes (NHCs). The reaction provides branched gem-disubstituted olefins with high enantioselectivity (up to 94ā€‰%ā€…ee) and chemoselectivity (cross/homo product ratio: up to
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