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Showing 1-30 of 144 results for "240869" within Papers
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)
Sung Giu Jin et al.
International journal of pharmaceutics, 490(1-2), 240-247 (2015-05-31)
To develop a novel sodium alginate based Centella asiatica (CA)-loaded hydrocolloid wound dressing (HCD) providing excellent mechanical properties and improved wound healing, numerous CA-loaded HCDs were prepared with various ingredients using the hot melting method. The effect of sodium alginate
Patrizia Marchetti et al.
Scientific reports, 5, 17353-17353 (2015-12-03)
Thin film composite membranes were prepared through a facile single-step wire-wound rod coating procedure in which internally crosslinked poly(styrene-co-butadiene) polymer nanoparticles self-assembled to form a thin film on a hydrophilic ultrafiltration support. This nanoparticle film provided a defect-free separation layer
Sasa Gu et al.
Physical chemistry chemical physics : PCCP, 17(42), 28137-28143 (2015-03-20)
We present a detailed study of the catalytic activity of Au/Pd nanoalloys with Auā:āPd molar ratio 75ā:ā25 synthesized using spherical polyelectrolyte brushes (SPB) as carrier system. The reduction of 4-nitrophenol (Nip) by sodium borohydride (BH4(-)) has been used as a
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 (3Ć3 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
Esme Candish et al.
Journal of chromatography. A, 1410, 9-18 (2015-08-04)
While polymer monoliths are widely described for solid phase extraction (SPE), appropriate characterization is rarely provided to unravel the links between physical characteristics and observed advantages and disadvantages. Two known approaches to fabricate large surface area polymer monoliths with a
Liya Ge et al.
Talanta, 146, 107-113 (2015-12-24)
Polyhydroxyalkanoates (PHAs) are commercially-valuable biocompatible and biodegradable polymers with many potential medical, pharmaceutical and other industrial applications. The analysis of PHA monomeric composition is especially challenging due to the broad chemical diversity of PHA monomers and lack of analytical standards
Trieu-Vuong Dinh et al.
Environmental science and pollution research international, 22(12), 9345-9355 (2015-01-21)
The characteristics of volatile organic compounds (VOCs) emitted from several consumer and commercial products (body wash, dishwashing detergent, air freshener, windshield washer fluid, lubricant, hair spray, and insecticide) were studied and compared. The spray products were found to emit the
PS/CTAB/silica composites from room temperature polymerization of high internal phase emulsion gels.
Tan Zhang et al.
Journal of colloid and interface science, 451, 161-169 (2015-04-22)
Polystyrene (PS)/cetyltrimethylammonium bromide (CTAB)/silica composites were prepared by CTAB-catalyzed in-situ polymerization of high internal phase emulsion gels (HIPE gels) at room temperature. The room temperature approach in HIPE gels yielded mono-dispersed PS/CTAB/silica spherical composite particles with sizes of 121 and
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
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
S Nakayama et al.
Soft matter, 11(47), 9099-9106 (2015-09-30)
Submicrometer-sized polystyrene (PS) particles carrying poly[2-(diethylamino)ethyl methacrylate] (PDEA) hairs (PDEA-PS particles) were synthesized by free radical dispersion polymerization. The hydrophilicity-hydrophobicity balance of the PDEA could be tuned by varying the temperature at near neutral pH (a lower critical solution temperature
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
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
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
Florentina Villanueva et al.
International journal of hygiene and environmental health, 218(6), 522-534 (2015-05-31)
Twenty nine organic air pollutants including carbonyl compounds, alkanes, aromatic hydrocarbons and terpenes were measured in the indoor environment of different houses together with the corresponding outdoor measurements in Puertollano, the most industrialized city in central Iberian Peninsula. VOCs were
MichaÅ 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 (GCĆGC) 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
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
Taicheng An et al.
ACS applied materials & interfaces, 4(11), 5988-5996 (2012-11-08)
The carbon nanotube (CNT)-sub-micrometer-sized anatase TiOā sphere composite photocatalysts were synthesized by a facile one-step hydrothermal method using titanium tetrafluoride as titanium source and CNTs as structure regulator. Various technologies including X-ray diffraction, UV-visible absorption spectra, Nā adsorption-desorption, scanning electron
Gregory S Doerk et al.
Nature communications, 5, 5805-5805 (2014-12-17)
Block copolymer directed self-assembly is an attractive method to fabricate highly uniform nanoscale features for various technological applications, but the dense periodicity of block copolymer features limits the complexity of the resulting patterns and their potential utility. Therefore, customizability of
Rocio Aranda-Rodriguez et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 992, 76-85 (2015-05-13)
Humans are continuously exposed to volatile organic compounds (VOCs) as these chemicals are ubiquitously present in most indoor and outdoor environments. In order to assess recent exposure to VOCs for population-based studies, VOCs are measured in the blood of participants.
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
Fangfang Chu et al.
Langmuir : the ACS journal of surfaces and colloids, 31(22), 5992-6000 (2015-01-31)
We study the structure and viscoelastic behavior of 3D plastic crystals of colloidal dumbbells in an oscillatory shear field based on a combination of small-angle neutron scattering experiments under shear (rheo-SANS) and Brownian dynamics computer simulations. Sterically stabilized dumbbell-shaped microgels
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
Shouying Li et al.
Macromolecular bioscience, 15(3), 318-327 (2014-12-17)
We investigated the cellular uptake behavior and cell viability of semiconducting polymer dots (Pdots) on human gastric adenocarcinoma (SGC-7901) cells and human gastric mucosal (GES-1) cells. MTT studies indicate the Pdot treatment induces obvious cell proliferation in both types of
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)
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
Jerry L Campbell et al.
Methods in molecular biology (Clifton, N.J.), 929, 439-499 (2012-09-26)
Physiologically based pharmacokinetic (PBPK) models differ from conventional compartmental pharmacokinetic models in that they are based to a large extent on the actual physiology of the organism. The application of pharmacokinetics to toxicology or risk assessment requires that the toxic
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