ライフサイエンスコーパス: siloxane

1 and poly(aminopropyl siloxane) (APS, a.k.a. siloxane).

2 ective signatures to aid in recognizing each siloxane.

3 d by electron-withdrawing groups on the aryl siloxane.

4 Tamao oxidation of the derived five-membered siloxane.

5 inated dimethylsiloxane and dimethylhydrogen siloxane.

6 tude improvement over an injection of liquid siloxane.

7 anomechanical-based gas-phase sensing of the siloxanes.

8 ilylation at low temperature to provide aryl siloxanes.

9 ed via resolution using menthol-based chiral siloxanes.

10 ring-closing metathesis to form unsaturated siloxanes.

11 e oil containing low molecular weight linear siloxanes.

12 ity tests with terpenes, alkanes, and cyclic siloxanes.

13 er families, e.g., acrylates, styrenics, and siloxanes.

14 hase Si-containing compounds, such as cyclic siloxanes.

15 differed significantly for linear and cyclic siloxanes.

16 samples at mean concentrations of (sum of 17 siloxanes) 20 mug L(-1) and 75 mg kg(-1), respectively.

17 Although siloxane 3 and the product 8 are not stable under basic

18 c biosensing platform utilizing cross-linked siloxane 3-aminopropyltriethoxysilane (APTMS) as probe w

19 the presence of seed aerosol with a similar siloxane aerosol mass loading but higher volume/surface

20 combination of a titanium(IV) alkoxide and a siloxane allowed for the chemoselective reduction of pho

21 red with a readily available epoxy resin and siloxane-amine hardener.

22 ach has provided a direct comparison between siloxane and boronic acid coupling technologies that dem

23 rid organic-inorganic pi conjugated, silane, siloxane and coordination polymers containing icosahedra

24 carbon chain lengths (0C or 12C) between the siloxane and the mesogen.

25 ons is potentially reversible in the case of siloxanes and amino-silanes as well as retreatable, whic

26 ing technologies that demonstrated that aryl siloxanes and boronic acids produce similar yields of hi

27 y, and tertiary silanes, as well as tertiary siloxanes and certain boranes, utilizing a catalyst load

28 l)acetals and methyl silyl ethers as well as siloxanes and CH(4).

29 sponge absorption of a hydrolyzed mixture of siloxanes and in situ gel formation within the pores.

30 h (17)O, through isotopic enrichment of both siloxanes and silanols.

31 ion was heat-driven volatilization of cyclic siloxanes and various low-volatility constituents in hai

32 ion of microfluidic devices in poly(dimethyl siloxane), and of nanostructures in polyurethane or epox

33 ly(ethylene glycol) hydrogels, poly(dimethyl siloxane), and tissue culture polystyrene.

34 ical products such as aromatic hydrocarbons, siloxanes, and certain halogenated hydrocarbons.

35 tions in self-immolative polymers, remodeled siloxanes, and degradable polymers.

36 ich can be applied to other silsesquioxanes, siloxanes, and similar oligomers and polymers, involved

37 fluorocarbon (C(x)F(y)) and poly(aminopropyl siloxane) (APS, a.k.a. siloxane).

38 The siloxanes are employed in palladium-catalyzed cross-coup

39 rvations of decamethylcyclopentasiloxane (D5-Siloxane) are used for optimizing emissions from persona

40 Using acid-catalyzed equilibration of siloxane as an example, we demonstrate that the size and

41 the feasibility of various linear and cyclic siloxanes as pO(2)-reporters for PISTOL-based oximetry.

42 nsidered here comprise ether, butadiene, and siloxane backbones with grafted imidazole side-chains, w

43 Unlike the traditional siloxane based LCE, which were produced by reaction sche

44 abricated via a layer-by-layer chemisorptive siloxane-based approach.

45 moset material, containing low loadings of a siloxane-based CC, we first demonstrate two rounds of ch

46 Siloxane-based HCPs were tested using common hair stylin

47 Two siloxane-based HTL materials, N,N'-bis(p-trichlorosilylp

48 Here we engineered a class of siloxane-based ionizable lipids with varying structures

49 structures and properties of a wide range of siloxane-based materials, including glasses, ceramics, m

50 Cluster III includes siloxane-based polymeric micelles, exhibiting weak hydro

51 ecalibrated when experimental data for other siloxanes become available.

52 The distribution of siloxanes between particulate and dissolved phases in in

53 to exhibit a substantially lesser amount of siloxane bleed during thermal desorption, while providin

54 ) with an "isolated" silanol and an adjacent siloxane bond.

55 rit greatly accelerate the hydrolysis of the siloxane bond.

56 ga-Diesters and alpha,omega-diols containing siloxane bonds were synthesized from an alkenoic ester d

57 reaction of "isolated" silanols and strained siloxane bonds, accounts for the preferential formation

58 vated temperatures, due to hydrolysis of the siloxane bonds, which hold silanes on the silica substra

59 es to catalyze the formation and cleavage of siloxane bonds.

60 ization by linking renewable feedstocks with siloxane bonds.

61 ination geometry by coordinating to a nearby siloxane bridge and a fluorine from the alkoxide.

62 nters and that the presence of an additional siloxane bridge coordinated to Cr leads to inactive spec

63 .O interactions, involving a gamma-CH3 and a siloxane bridge, are present.

64 ting with an additional coordinated adjacent siloxane bridge.

65 fluorinated aromatic rings located above the siloxane bridges (PFP-p) and the PFP groups denoted as u

66 e-balance protonation of bridging O atoms in siloxane bridges, and H(2)O attack via an S(N)2 mechanis

67 surface of the mesoporous oxide by multiple siloxane bridges.

68 s grafting based on the ratio of T-O-T/Q-O-T siloxane bridges.

69 onal conjugation, despite vinyl(Me)Si(O-)(2) siloxane bridges.

70 arises from thermally activated interfacial siloxane bridging that enables the MNL to be strongly li

71 llization of the hydrazones in the amorphous siloxane bulk via a slow process.

72 t is more reminiscent of the polarity of the siloxane bulk, which gives insights into the supramolecu

73 These siloxanes can be prepared in high yields and purity by u

74 ogens are attached to each end of a flexible siloxane chain.

75 ctrode was incorporated into a poly(dimethyl siloxane) channel, within which beads were collected, in

76 rganic surface, based on an ethylene-bridged siloxane chemistry, was developed for use with reversed-

77 A siloxane coating on the GLRS grating was employed as a s

78 Volatile siloxane compounds usually contained in landfill biogase

79 nds in wastewater were L11 (24% of the total siloxane concentration), L10 (16%), and D5 (13%), and in

80 ows that, for acidic conditions in which the siloxane condensation rate is minimized, the hydrophilic

81 t exposure promoted localized acid-catalyzed siloxane condensation, which can be used for selective e

82 nthesizing monomeric (methyl) and polymeric (siloxane-containing PET analogue, Sila-PET) esters based

83 Subsequently, the low viscosity siloxane-containing vitrimer resin enabled the preparati

84 To develop siloxane-containing vitrimers with fast dynamic characte

85 assy oligomerized films of poly[(aminopropyl)siloxane] containing K(+) ions, denoted K(+)/poly-APS, a

86 is determined by phosphoester elongation and siloxane contraction along the pulling axis in the respe

87 ing organic linkers or polyhedral oligomeric siloxane covalently bonded to zeolite layers in the inte

88 mall amount (1-5 w/w%) of a vitrimer made of siloxane-crosslinked high-density polyethylene (HDPE), w

89 Combining the siloxane crosslinker with click chemistry produces excha

90 (D5, C10H30O5Si5), a cyclic volatile methyl siloxane (cVMS) found in consumer products, was studied

91 Cyclic volatile methyl siloxanes (cVMS) are emitted to aquatic environments wit

92 Cyclic volatile methyl siloxanes (cVMS) are present in technical applications a

93 Cyclic volatile methyl siloxanes (cVMS) are ubiquitous in hair care products (H

94 Cyclic volatile methyl siloxanes (cVMS) concentrations were analyzed in the pel

95 phic magnification of cyclic volatile methyl siloxanes (cVMS) in a terrestrial food web was investiga

96 Cyclic volatile methyl siloxanes (cVMS) such as octamethylcyclotetrasiloxane (D

97 The sorption of cyclic volatile methyl siloxanes (cVMS) to organic matter has a strong influenc

98 With this method, cyclic siloxanes (D4 and D5) can be quantified in end-exhaled a

99 Herein, we describe the global modeling of siloxanes: D4 (octamethylcyclotetrasiloxane), D5 (decame

100 When 10% of the original siloxane data set was used for an ordinary kriging inter

101 adduct are lower than with the corresponding siloxane derivates.

102 The use of siloxane derivatives of phenylboronic acids in Suzuki-Mi

103 tection of both the initial modifier and its siloxane derivatives under mild conditions using water i

104 g of a variety of highly functionalized aryl siloxane derivatives was investigated and optimized coup

105 of ortho-directing groups and electrophilic siloxane derivatives.

106 ock and the phase segregation induced by the siloxane drives the assembly.

107 knife, even into two pieces, and can heal by siloxane equilibration to restore the original strength

108 ce a new dynamic covalent chemistry based on siloxane equilibrium exchange into the LCE to enable pro

109 Cyclic and linear siloxanes (except for L3) were detected in all influent

110 In particular, one siloxane exchange pathway has been found to show a fast

111 Finally, multiple xLCE sharing the same siloxane exchangeable bonds can be welded into single co

112 or, reacts with CO(2) to afford a bimetallic siloxane, featuring two Co(II) centers, with liberation

113 ite-selective oxygen plasma treatment of the siloxane film.

114 ygen-permeable (Dk) RGP lenses (two types of siloxane-fluorocarbon polymer lenses with Dk of 49 and 9

115 nces, p-dichlorobenzene for insecticides, D4-siloxane for adhesives, para-chlorobenzotrifluoride (PCB

116 categories: decamethylcyclopentasiloxane (D5-siloxane) for personal care products, monoterpenes for f

117 ically stabilized against polymerization and siloxane formation.

118 mal reaction conditions for the synthesis of siloxanes from aryl Grignard reagents entailed addition

119 of triarylamines, we explored the effects of siloxane group and substitution pattern on the physical

120 the opposite rings were bridged by a Si-O-Si siloxane group.

121 teractions, such as hydrogen bonding between siloxane groups from clays and peptide molecules.

122 uding naphthyl-substituted and unsymmetrical siloxanes, has been quantified and compared relative to

123 A selection of ortho-substituted aryl siloxanes have been prepared by directed orthometalation

124 In contrast, silatranes, once bound as siloxanes, have diminished electronic coupling making th

125 New liquid triarylamine-siloxane hybrid materials are produced using the Piers-R

126 Two vinyl siloxane impressions were made for each subject and a pa

127 lity semiconducting polyisoindigobithiophene-siloxane in a monolithic transistor design enabled us to

128 Furthermore, upon hydration, siloxane in the encapsulant forms silanol which reacts w

129 cement reaction between catechol and an aryl siloxane in the presence of an amine base.

130 elated to oven-usage was inferred to deposit siloxanes in condensed-phase reservoirs throughout the h

131 reening tool for assessing concentrations of siloxanes in indoor air.

132 Research on detection of siloxanes in landfill gas has been active during recent

133 sing way to facilitate in-field detection of siloxanes in landfill gas in the future.

134 phobic and highly volatile linear and cyclic siloxanes in rainbow trout liver S9 subcellular fraction

135 re important factors that affect the fate of siloxanes in WWTPs.

136 nd structure of the infinite 1D material for siloxane, in comparison with silane and alkane, and show

137 ipids with varying structures and formulated siloxane-incorporated LNPs (SiLNPs) to control in vivo m

138 hases, and composite responses (magnitude of siloxane-induced MC bending) for four siloxanes were col

139 Atmospheric modeling of oxidized cyclic siloxanes is consistent with a diffuse photochemical sou

140 ing metathesis (RCM) sequence to form cyclic siloxanes is reported.

141 ay observations and structural properties of siloxanes; it is energetically unfavorable and thus high

142 to the Si-H bond of silanes, disilanes, and siloxanes, leading to the exclusive formation of Si-NH m

143 organosilane coupled to the glass through a siloxane linkage.

144 he depolymerization of polyesters containing siloxane linkages were repolymerized to demonstrate circ

145 y approximately 20 nm, as found for stilbene-siloxane macrocycles, suggesting some interaction of the

146 UV irradiation of a hybrid siloxane matrix doped with the new fused naphthopyran le

147 ders and lamellae surrounded the liquid-like siloxane matrix is clarified.

148 compressive behavior and compression set in siloxane matrix printed structures.

149 trapped in a gaspermeable photopolymerizable siloxane membrane (PS802).

150 rapped in a gas-permeable photopolymerizable siloxane membrane.

151 enzyme catalyzes two tandem oxidations of a siloxane methyl group, which is followed by putative [1,

152 ellar bilayer thickness is determined by the siloxane midblock.

153 Organs from animals receiving the linear siloxane mixture were harvested at 9, 12, and 15 weeks.

154 The siloxane moieties enhance cellular internalization of mR

155 ing thus so far unknown rearrangement of the siloxane moiety.

156 By producing reusable poly(dimethyl siloxane) molds using standard photolithography, gelatin

157 ral commercially available linear and cyclic siloxanes (molecular weight 162-410 g/mol) as PISTOL-bas

158 hemistries are compared: an amine-terminated siloxane monolayer on the native SiO2 surface of the SiN

159 by replacing NPB with saturated hydrocarbon siloxane monolayers that covalently bind to the anode, w

160 ents of five major VCP tracers, including D5-siloxane, monoterpenes, para-dichlorobenzene, para-chlor

161 ne groups tethered to the interior of a 2 nm siloxane nanocage was determined in solutions containing

162 ) for the synthesis of highly functionalized siloxane nanomaterials.

163 A continuous siloxane network is formed that links together the muske

164 oped here, based on catalyzed formation of a siloxane network with further incorporation of cellulose

165 The unsaturated siloxanes obtained enantioselectively can be readily fun

166 omagnification of the cyclic volatile methyl siloxanes octamethylcyclotetrasiloxane (D4), decamethylc

167 ition in hydrosilylation reactions to afford siloxanes of various structures are shown.

168 ly ordered due to the discrete nature of the siloxane oligomers.

169 ncern, given the potential adverse impact of siloxanes on the environment and human health.

170 Such analysis requires expensive cyanopropyl siloxane or ionic liquid columns of at least 50 m in len

171 ) or a commercial poly(trifluoropropylmethyl siloxane) (OV-215) stationary phase.

172 Discovery of this so-called siloxane oxidase opens possibilities for the eventual bi

173 rylate (PA), in comparison with polydimethyl siloxane (PDMS) coating, to assess volatiles in model wi

174 table drug-loaded microporous poly-di-methyl-siloxane (PDMS) devices for the delivery of targeted the

175 that affords the combination of polydimethyl-siloxane (PDMS) microfluidic technology with vibrational

176 e typically been implemented in polydimethyl siloxane (PDMS) using multi-layer soft lithography.

177 abrication and evaluation of a poly(dimethyl)siloxane (PDMS)-based device that enables the discrete i

178 s into membrane-capped wells in polydimethyl siloxane (PDMS).

179 grades less than 2% due to the poly(dimethyl siloxane) (PDMS) body.

180 have fabricated a microchip in poly(dimethyl siloxane) (PDMS) by soft lithography process.

181 aqueous solutions compared to poly(dimethyl siloxane) (PDMS) devices, and compatibility with deforma

182 cation of an external layer of poly(dimethyl siloxane) (PDMS) over the commercial PDMS/divinyl benzen

183 mobility and accurate mass measurement using siloxane peaks identified during the analysis as interna

184 The conjugation of oligoprolines to apolar siloxanes permits a study of the aggregation behavior of

185 nted based on a new molecularly bioimprinted siloxane polymer (MBIS) strategy; in which the EGFR exon

186 carbon atoms onto an ethylene bridge hybrid siloxane polymer.

187 densation of silica and organically modified siloxane polymers (silicones) from the corresponding sil

188 spect of a new synthetic route to silica and siloxane polymers at low temperature and pressure and ne

189 We report a siloxane-protected donor (7) for the highly stereoselect

190 lly contained in landfill biogases will form siloxane residues when the gases are burned, which signi

191 4 polymer (a polyethylene oxide cross-linked siloxane ring polymer) films is hindered approximately 4

192 g metathesis (RCM) that forms an unsaturated siloxane ring, followed by an intramolecular cross-coupl

193 OTOS trimers suggests that the six-membered siloxane rings are binding locations for single site Zn/

194 lative proportion of strained and unstrained siloxane rings, and potential to generate hydroxyl radic

195 allowed cyclic trimers with the six-membered siloxane rings, which explain well both the X-ray and in

196 ers with less polar backbones (butadiene and siloxane) show stronger ion aggregation in X-ray scatter

197 Linear siloxanes showed higher solid-liquid distribution coeffi

198 olytically stable mesoporous polycarbosilane-siloxane ([-Si(O)CH2-]n) matrix.

199 ols are best known as unstable precursors of siloxane (silicone) polymers, substances generally consi

200 ion of organo-silicon structures (silicones, siloxanes, silsesquioxanes) with organic semiconductors.

201 Topological micropatterning on polydimethyl siloxane stamps was used to mediate the dynamic assembly

202 The spin-lattice relaxation rate R(1) of all siloxanes studied here exhibited a linear relationship w

203 Data for phthalate diesters and siloxanes suggest that volatility-dependent partitioning

204 rging areas (glass silanized with a cationic siloxane terminated with a quaternary ammonium group).

205 We introduce a novel siloxane-terminated solubilizing group and demonstrate i

206 A removable siloxane tether can be utilized to achieve formal interm

207 The mean total mass of siloxanes that enter into the WWTP via influent was 15.1

208 Unlike previous devices using poly(dimethyl siloxane), the 3D-printed device had reduced nonspecific

209 By tuning the length of the siloxane, the synergy between these interactions is obse

210 ion between 5-bromotropolone (4) and an aryl siloxane to form the aryl-tropolone bond.

211 The conversion of surface-bound siloxane to SiO2 was followed with X-ray photoelectron s

212 This work highlights the potential for siloxanes to function as molecular insulators in electro

213 ygen tension (pO(2)) using Proton Imaging of Siloxanes to map Tissue Oxygenation Levels (PISTOL) magn

214 The crystalline, bench-stable siloxane transfer agent (1) is easily prepared via a one

215 nthesis, and validation of polymer-supported siloxane transfer agents have been achieved that permit

216 This set of polymers containing siloxanes underwent programmed depolymerization into mon

217 form a 26-membered macrolactone containing a siloxane unit.

218 es for cyclopropanation of vinyl silanes and siloxanes using diazo compounds and N-tosylhydrazones as

219 The synthesis of siloxanes via organolithium and magnesium reagents was l

220 Volatile methyl siloxanes (VMS) are a group of organosilicon compounds o

221 Volatile methyl siloxanes (VMS) are high production volume chemicals fou

222 Volatile methyl siloxanes (VMS) are high-production synthetic compounds,

223 When volatile methyl siloxanes (VMS) are introduced deliberately to the gas,

224 Volatile methyl siloxanes (VMS) are ubiquitous anthropogenic pollutants

225 he environmental behavior of volatile methyl siloxanes (VMS), a variety of reliable air sampling meth

226 rized to measure atmospheric volatile methyl siloxanes (VMS).

227 lation in good yield, whereas a low yield of siloxane was obtained from 2-bromofuran, and 2-bromopyri

228 The toxicity of siloxanes was markedly higher to the terrestrial springt

229 ude of siloxane-induced MC bending) for four siloxanes were collected that exhibited selective signat

230 cyclic (D3 to D7) and 12 linear (L3 to L14) siloxanes were investigated in raw and treated wastewate

231 and nature of the side chains (aliphatic vs siloxane) were probed.

232 Aryl siloxanes (which had previously failed to couple with tr

233 hSiH results in rapid formation of CH(4) and siloxane with no detection of bis(silyl)acetal and methy

234 Activation of the siloxane with tetrabutylammonium fluoride in the presenc

235 Pd) was necessary to efficiently couple aryl siloxanes with 5-bromotropolone (4).

236 no- and di-, tri-, and poly( p-carboxyphenyl)siloxanes with p-carboxyphenyl groups at 1,1-, 1,3-, 1,5

237 oad substrate scope, delivering more than 25 siloxanes with siloxy or alkoxy functional groups at bot

238 low temperature gave predominantly monoaryl siloxanes, without requiring a large excess of the elect

239 ating silica nanoparticles with sulfobetaine siloxane zwitterionic molecules profoundly alters their