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Showing 1-30 of 44 results for "205389" within Papers
Jianhua Wei et al.
Biomedical materials (Bristol, England), 4(4), 045002-045002 (2009-06-16)
This study investigated the influence of surface wettability on competitive protein adsorption and the initial attachment of osteoblasts. A thin-film coating of hexamethyldisiloxane (HMDSO) and subsequent O(2)-plasma treatment was carried out on substrates with a mirror surface in order to
Yuan-Kai Cheng et al.
Journal of chromatography. A, 1220, 143-146 (2011-12-24)
The Hadamard transform-gas chromatography/mass spectrometry (HT-GC/MS) technique was successfully employed for the detection of hexamethyldisiloxane (HMDSO, C(6)H(18)OSi(2)) at the sub-nL/L level in a semiconductor wafer cleanroom. Indoor air samples were collected from the room, according to EPA Method TO-17 using
Vsevolod I Borovkov et al.
The journal of physical chemistry. A, 119(31), 8443-8451 (2015-07-15)
Radical anions (RAs) are the key intermediates of the selective hydrodefluorination of polyfluoroarenes. We used the techniques of optically detected electron paramagnetic resonance (OD EPR), time-resolved fluorescence, time-resolved magnetic field effect (TR MFE), and the density functional theory to study
Thin films deposition from hexamethyldisiloxane and hexamethyldisilazane under dielectric-barrier discharge (DBD) conditions.
Schmidt-Szalowski K, et al.
Plasmas and polymers, 5(3-4), 173-190 (2000)
Andrew Michelmore et al.
Langmuir : the ACS journal of surfaces and colloids, 27(19), 11943-11950 (2011-08-26)
New data shed light on the mechanisms of film growth from low power, low pressure plasmas of organic compounds. These data rebalance the widely held view that plasma polymer formation is due to radical/neutral reactions only and that ions play
Israel Sifuentes-Nieves et al.
International journal of biological macromolecules, 135, 196-202 (2019-05-24)
In this study, surface, chemical, physicochemical and barrier properties of films treated with hexamethyldisiloxane (HMDSO) cold plasma were investigated. Normal and high amylose starches were gelatinized at different level to obtain films with different amount of free amylopectin. The obtained
Jackeline G Amaral et al.
Community dentistry and oral epidemiology, 42(5), 412-419 (2014-03-29)
This study aimed to evaluate the fluoride concentration in the fingernails and toenails of children aged 18-30 months during use of fluoride-containing toothpastes supplemented with calcium glycerophosphate (CaGP) or sodium trimetaphosphate (TMP). According to the toothpaste used, children (n =
Israel Sifuentes-Nieves et al.
International journal of biological macromolecules, 124, 651-658 (2018-11-27)
In this study, the effect of amylose content and cold plasma treatment on starch films properties was investigated. Films from normal (30%) and high amylose (50 and 70%) starches were subjected to hexamethyldisiloxane (HMDSO) cold plasma treatment. Morphological, structural, mechanical
Vikram D Kodibagkar et al.
Frontiers in bioscience : a journal and virtual library, 13, 1371-1384 (2007-11-06)
Over the years many techniques have been devised for the measurement of tissue oxygenation (oximetry). Oximetry using polarographic needle electrodes has long been considered a gold standard. Nuclear Magnetic Resonance (NMR) based oximetry uses exogenously administered reporter molecules such as
Daniele C Bastos et al.
Carbohydrate polymers, 91(2), 675-681 (2012-11-06)
The development of thermoplastic materials based on starch has become a promising alternative for reducing plastic waste. To this end, plasma treatments were used to enhance the hydrophobicity of cornstarch films. Cornstarch films plasticized using glycerol and distilled water were
Brinda Prasad et al.
Analytical chemistry, 83(1), 231-239 (2010-12-07)
A low-abundance form of water, H(2)(17)O, was enriched from 0.04% to ∼90% by slow evaporation and fractional distillation of tap water. The density and refractive index for H(2)(17)O are reported. Gas chromatography-mass spectrometry (GC-MS) of (16)O- and (17)O-1-hexanols and their
Wei Li et al.
Organic letters, 5(22), 4061-4064 (2003-10-24)
[reaction: see text]. Polyphosphoric acid trimethylsilyl ester (PPSE)-promoted intramolecular Friedel-Crafts reactions on a nonaromatic carboxylic acid system have been investigated. Studies led to the synthesis of C-18 functionalized steroidal compounds 5 and 9a-d with strict retention of the spiroketals. Isomerization
Daniela Micheline dos Santos et al.
The journal of adhesive dentistry, 17(5), 413-419 (2015-11-04)
The purpose of this study was twofold: 1) to characterize the zirconia (Y-TZP) surfaces through scanning electronic microscopy associated with energy-dispersive spectroscopy and atomic force microscopy after the deposition of a thin organosilicon film by nonthermal plasma (NTP) treatment, and
K Nohno et al.
Caries research, 45(5), 486-493 (2011-09-14)
This study aimed to measure the fluoride (F) content of all infant milk formulas (IMF) available for purchase in Japan and estimate the F exposure of infants whose primary source of nutrition is IMF when reconstituted with different F concentrations
Masao Yoshinari et al.
Biomedical research (Tokyo, Japan), 27(1), 29-36 (2006-03-18)
Simvastatin acid (SVA) has been reported to stimulate bone formation with increased expression of BMP-2. Therefore, immobilization of SVA onto dental implants is expected to promote osteogenesis at the bone tissue/implant interface. The aim of this study was to evaluate
Praveen K Gulaka et al.
NMR in biomedicine, 24(10), 1226-1234 (2011-03-18)
Quantitative in vivo oximetry has been reported using (19) F MRI in conjunction with reporter molecules, such as perfluorocarbons, for tissue oxygenation (pO(2) ). Recently, hexamethyldisiloxane (HMDSO) has been proposed as a promising alternative reporter molecule for (1) H MRI-based
Davide Tranchida et al.
The journal of physical chemistry. B, 115(13), 3385-3391 (2011-03-18)
In this paper we report on the unprecedented deformation behavior of stratified ultrathin polymer films. The mechanical behavior of layered nanoscale films composed of 8-12 nm thin plasma polymerized hexamethyldisiloxane (ppHMDSO) films on a 70 nm thick film of polystyrene
Yau Kei Chan et al.
Investigative ophthalmology & visual science, 56(2), 1014-1022 (2015-01-22)
Silicone oil (SO) has been used as a long-term intraocular tamponade in treating retinal diseases for more than half a decade. However, its propensity to form tiny SO droplets is associated with a number of complications. Currently there is no
D Ricaurte Ortega et al.
Environmental technology, 30(10), 1073-1083 (2009-11-06)
Siloxanes are widely used in different applications: health care, dry cleaning, household products, paints and coatings, paper, personal care, for example. This explains their prevalence in the environment. Because of their volatile nature, most of the time they are dispersed
Israel Sifuentes-Nieves et al.
International journal of biological macromolecules, 144, 682-689 (2019-12-21)
In the present study, the effect of plasma treatment on the structural properties of three granular corn starches (normal, Hylon V and Hylon VII) was investigated. Thermal (TGA/DSC), structural (XRD/FTIR) and chemical (XPS) properties were evaluated. Plasma treatment resulted in
M S Yildirim et al.
Journal of oral rehabilitation, 33(10), 775-783 (2006-08-30)
It has been suggested that altering the surface properties of acrylic resin material may change the nature of the adsorbed pellicle affecting denture retention and microbial adherence. This study aimed at evaluating the adsorption of salivary high molecular-weight mucins, a
Ivan D Dobrev et al.
Inhalation toxicology, 15(6), 589-617 (2003-04-15)
Gas uptake methods together with physiologically based pharmacokinetic (PBPK) modeling have been used to assess metabolic parameters and oral absorption rates for a wide variety of volatile organic compounds. We applied these techniques to study the in vivo metabolism of
Tae-Jun Ko et al.
ACS applied materials & interfaces, 7(9), 5506-5513 (2015-02-18)
Reliable operation of a proton exchange membrane fuel cell requires proper water management to prevent water flooding in porous carbon materials such as the gas diffusion layer (GDL). In contrast to the conventional GDL that uses the "wet" dip-coating process
Xian Li et al.
Journal of biomedical materials research. Part A, 103(12), 3736-3746 (2015-06-23)
In the context of porous bone void filler for oral bone reconstruction, peptides that suppress microbial growth and promote osteoblast function could be used to enhance the performance of a porous bone void filler. We tested the hypothesis that P15-CSP
The Raman Spectra of Hexamethyldisilane and Hexamethyldisiloxane.
Murata H and Kumada M.
J. Chem. Phys., 21(5), 945-945 (1953)
Victorien Decoin et al.
BMC microbiology, 15, 72-72 (2015-04-18)
Pseudomonas fluorescens strain MFE01 secretes in abundance two Hcp proteins (haemolysin co-regulated proteins) Hcp1 and Hcp2, characteristic of a functional type 6 secretion system. Phenotypic studies have shown that MFE01 has antibacterial activity against a wide range of competitor bacteria
Vincenzo Abbate et al.
Journal of inorganic biochemistry, 105(2), 268-275 (2011-01-05)
Biotransformations make use of biological systems to catalyze or promote specific chemical reactions. Transformations that utilize enzymes as "greener" and milder catalysts compared to traditional reaction conditions are of particular interest. Recently, organosilicon compounds have begun to be explored as
Fatemeh V Zohoori et al.
Scientific reports, 5, 16905-16905 (2015-11-20)
An understanding of all aspects of fluoride metabolism is critical to identify its biological effects and avoid fluoride toxicity in humans. Fluoride metabolism and subsequently its body retention may be affected by physiological responses to acute exercise. This pilot study
Don't be so BOLD: potential limitations in the use of BOLD MRI for studies of renal oxygenation.
R G Evans et al.
Kidney international, 71(12), 1327-1328 (2007-06-08)
Ion chemistries in hexamethyldisiloxane.
Jiao CQ, et al.
Journal of Vacuum Science & Technology. A, Vacuum, Surfaces, And Films, 23(5), 1295-1304 (2005)
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