ライフサイエンスコーパス: gas phase

1 scale remobilization (induced by the evolved gas phase).

2 al dynamics of single water molecules in the gas phase.

3 -butyl group amounts to 10.8 kcal/mol in the gas phase.

4 e both less acidic and less basic than CA in gas phase.

5 he reaction of the dopant with O(2) from the gas phase.

6 actor of 10(6) with 100% of emissions as the gas phase.

7 eterogeneity of permethylated glycans in the gas phase.

8 iations caused by structural collapse in the gas phase.

9 tes, and their sequential propagation in the gas phase.

10 usly studied only computationally and in the gas phase.

11 e air/liquid water interface relative to the gas phase.

12 ntally, forms a complex with fluoride in the gas phase.

13 ugh their distinct unfolding pathways in the gas phase.

14 is lower in the condensed phase than in the gas phase.

15 ogenation (ODH) of alkanes to olefins in the gas phase.

16 s than 50 and 80 atoms, respectively, in the gas phase.

17 e structure and dynamics of molecules in the gas phase.

18 hirds of the formed ICl is released into the gas phase.

19 34:3) + H](+) (3 mDa mass difference) in the gas phase.

20 x 10(-6) s(-1), about twice the value in the gas phase.

21 the structure of neutral biomolecules in the gas phase.

22 roteins without the need to trap ions in the gas phase.

23 lso displaced the produced methanol into the gas phase.

24 ter for rapid diastereomer separation in the gas phase.

25 mistry of novel higher-order carbenes in the gas phase.

26 rge on protein complexes in solution and the gas-phase.

27 temperatures that favor partitioning to the gas-phase.

28 MMA), enables nanoparticle separation in the gas-phase according to their surface-dry diameter with n

29 Gas-phase acidities (DeltaG and DeltaH for deprotonation

30 Method experiments and theory show that the gas-phase acidities of these phospholipids are high but

31 Herein, the gas-phase acidity of a series of imidazoles is examined

32 The gas-phase affinities of different types of anions X(-) (

33 ptional responses in relation to real-world, gas-phase air mixtures.

34 ap) represents a promising new technique for gas-phase analysis in analytical and atmospheric chemist

35 mplexes in aqueous solutions has allowed for gas-phase analysis of their native-like assemblies, incl

36 tom-built polymerase chain reaction devices, gas-phase analyte detection systems, chemical robots and

37 ctive is on the ion chemistry that underpins gas-phase analytical CI methods.

38 tants emitted by diesel engines, both in the gas phase and adsorbed onto the surface of particulate m

39 nd sensitivity to the detection of amines in gas phase and aqueous medium.

40 OH is generated from the gas phase and attacks from the top of the monolayer, whi

41 containing less than a hundred atoms in the gas phase and capable of carrying charge beyond -3 is un

42 MOFs is discussed. I(2) sorption, both from gas phase and from MeOH solution, into CTH-7 were studie

43 Remarkably, the free energy profiles in gas phase and in CotB2 are surprisingly similar.

44 ure is explored computationally, both in the gas phase and in ionic liquid.

45 The obtained material was tested for gas phase and liquid phase olefin metathesis and exhibit

46 and bimetallic nanoparticles using different gas phase and liquid phase reactions.

47 ication of geraniol and vinyl acetate in the gas phase and maintains the initial activity for more th

48 th 2-methylglyceric acid partitioning to the gas phase and negatively with the ratio of 2-methyltetro

49 e air/liquid water interface compared to the gas phase and occurs through nucleophilic attack of wate

50 i volatile organic compounds (SVOCs) between gas phase and particle phase is essential for exposure a

51 ases the time that protein ions spend in the gas phase and previous experiments have shown that the i

52 tive membrane protein-lipid complexes in the gas phase and provide a straightforward model to explain

53 h a fixed-charge group were generated in the gas phase and structurally characterized by tandem mass

54 rtments for fine and coarse aerosols and the gas phase and study its sensitivity to the input paramet

55 d the evaluation of complex stability in the gas phase and were found to be independent of the extent

56 dy describes the development of new and fast gas-phase and in-solution electrophoretic methods couple

57 hat has only been observed indirectly in the gas phase, and because of its high reactivity has eluded

58 f PAH formation, growth and oxidation in the gas phase, and their adsorption onto soot and how these

59 se by ~4 orders of magnitude relative to the gas phase, and we conclude that at the air-water interfa

60 A gas-phase approach to form Zn coordination sites on meta

61 ing biologically relevant complexes into the gas phase as multiply charged ions suitable for mass spe

62 from a volatile electrolyte solution to the gas-phase as a single-charged species, a nano electrospr

63 e, typically, polar analytes with pronounced gas phase basicities worked best, nonpolar and amphoteri

64 th 2,4-dinitrophenylhydrazine based on their gas-phase basicities (DeltaG(deprotonation)).

65 ntally and theoretically determine intrinsic gas-phase basicities (GB, DeltaG for deprotonation of th

66 of standard thermochemistry parameters, like gas-phase basicity (GB) and proton affinity (PA).

67 nds in a dimethyl sulfoxide solvent from the gas-phase binding energy partition using the symmetry-ad

68 tified interactions reflect solution- versus gas-phase binding strengths is not known.

69 In addition, a gas-phase Brook-type rearrangement of the propargylsilan

70 of neutral cytosine have been studied in the gas phase, but much less is known about charged species.

71 H DOSY spectroscopic methods, and 3) in the gas phase by electrospray ionization mass spectrometry (

72 Minor concentrations of gas-phase byproducts were also identified (<2.5% of the

73 Gas-phase calculations predict that the thermodynamic co

74 with the Criegee mechanism suggested by the gas-phase calculations, suggesting that the reaction med

75 sodium fluoride solution in the presence of gas-phase carbon dioxide.

76 inert support (SiO(2)) for the halide-free, gas phase carbonylation of methanol to AA.

77 on stainless-steel mesh as photoanodes in a gas-phase chamber and Pt foil as the working electrode i

78 A novel gas-phase charge and mass manipulation approach is demon

79 emic helicenes via a vinylacetylene mediated gas phase chemistry involving elementary reactions with

80 The gas phase chemistry of the molecules under investigation

81 tional glance into the fundamentally unknown gas-phase chemistry of preparing two prototype carbenes

82 rough a barrierless, vinylacetylene mediated gas-phase chemistry utilizing tetracene, [4]phenacene, a

83 ctor wall and maintenance of the reaction by gas-phase chemistry within the reactor compartment.

84 fternoon, which is not explained using known gas-phase chemistry.

85 r followed by a mild reduction process using gas-phase CO, which acts as both a reducing and growth-d

86 ty mass spectrometry reveals broadly similar gas phase collisional cross sections for human and baboo

87 The gas-phase complex with Cl(-) was found to be tailor-made

88 he model can reproduce the observed NPF, HOM gas-phase composition and SOA formation over the Boreal

89 n the presence of light, can change both the gas-phase composition of the atmosphere and the composit

90 ~ 0.8) suggesting that the simply measurable gas phase compound CO can be used as a first indicator f

91 city of HPMTF is comparable to other soluble gas phase compounds (e.g., HCOOH and HNO(3)), resulting

92 gely derived from solid-state structures and gas-phase computational studies rather than quantitative

93 hydrated nodes, in agreement with the larger gas phase concentration of methanol observed experimenta

94 vity coefficients, we calculate steady-state gas phase concentrations for plasticizers in equilibrium

95 Average Sigma(11)OPE gas-phase concentrations were 1.77 +/- 0.84 and 4.00 +/-

96 he drift time that corresponds to the unique gas-phase conformation of 25OHD.

97 nstruments and best assess the corresponding gas-phase conformational landscapes of the protein "stan

98 y be complicated by the presence of multiple gas-phase conformations of a single structure that not o

99 "coiled" chain-the latter identified as the gas-phase conformer preserved on the surface.

100 A very mild single-pass gas-phase conversion of [(11) C]carbon monoxide into [(1

101 The observed fraction of carbon in the gas-phase correlates with the fraction of particle volum

102 ce spectroscopy, Mossbauer spectroscopy, and gas-phase DART mass spectrometry.

103 Gas-phase, double resonance IR spectroscopy has proven t

104 found desorbing from both ice layers to the gas phase during the irradiation converge with those det

105 emonstrates that the off-line hyphenation of gas-phase electrophoresis and confocal Raman spectroscop

106 Gas-phase electrophoresis employing a nano-electrospray

107 mobility diameter (EMD) can be achieved via gas-phase electrophoresis.

108 Here, we utilize gas-phase electrophoretic macromolecule analysis to show

109 s analyzed by size-exclusion chromatography, gas-phase electrophoretic mobility macromolecular analys

110 In the case of a so-called nES gas-phase electrophoretic mobility molecular analyzer (n

111 ifferential mobility analyzer (nES DMA), aka gas-phase electrophoretic mobility molecular analyzer (n

112 g primary particle emission events, enhanced gas-phase emissions from condensed-phase reservoirs part

113 To quantify the gas-phase emissions of EPCBs, we used polyurethane foam

114 erring large biomolecular complexes into the gas phase, enabling the characterization of their compos

115 We computed the gas-phase energies for HAT and electron affinity (EA) of

116 different distributions of emissions as the gas phase, fine aerosol, and coarse aerosol.

117 atically determined from the measured in the gas-phase fingerprints of the complexes.

118 e ion and then cobalt(III) fluoride mediated gas phase fluorination.

119 latile compounds from liquid matrices to the gas phase for analysis.

120 , named tPTCR, which applies two consecutive gas phase fractionation steps for obtaining intact precu

121 demonstrate the advantages of FAIMS-enabled gas-phase fractionation.

122 r results when analyzing up to four discrete gas-phase fractions.

123 Here, we report that the gas-phase fragmentation of protonated dityrosine cross-l

124 s whereby protein ions are released into the gas phase from charged droplets during electrospray ioni

125 e applied to IR spectra measured both in the gas phase (gas chromatography IR) and in solution.

126 Fragmentation of [B(12)X(12)](2-) in the gas phase generates highly reactive [B(12)X(11)](-) ions

127 er experiments involving sulfite aerosol and gas-phase glyoxal with only 1 min residence times, signi

128 gen cyanide are the dominant contributors to gas-phase HAPs risk in smoke plumes.

129 However, there are many gas-phase hazardous air pollutants (HAPs) identified by

130 In the ambient gas phase HCOOH was the most abundant acidic gas, with a

131 ntheses of oxygenated products from CH(4) in gas-phase heterogeneous catalysis.

132 ng and characterizing soft X-ray pulses from gas-phase HHG and extreme ultraviolet (XUV) pulses from

133 ave and mid-wave infrared lasers has enabled gas-phase high harmonic generation (HHG) in the water wi

134 A gas-phase high-throughput reaction screening platform wa

135 Moreover, we show experimentally that gas-phase HOIO(2) is not necessary for the formation of

136 bed differences between each isomer by using gas-phase hydrogen-deuterium exchange (HDX) immediately

137 try-mass spectrometry (IMS-MS) combined with gas-phase hydrogen-deuterium exchange has been used to c

138 on with other orthogonal techniques, such as gas-phase hydrogen/deuterium exchange (gHDX), MS is also

139 on of substituted nitroaromatics (>99 %) and gas-phase hydrogenation of CO(2) to CO (>98 %).

140 proving to be efficacious catalysts for the gas-phase hydrogenation of CO(2).

141 Gas-phase I(2) was measured directly above the surface o

142 Ammonia partitioning to the gas phase in ammonium-containing droplets was evaluated

143 ntrations generally increased and shifted to gas-phase in the summer probably due to higher temperatu

144 ral inputs while conducting reactions in the gas phase, in solution and in vacuum, while generating n

145 Gas-phase iodine (I(y,gas)) in the UT (0.67 +/- 0.09 ppt

146 t untapped potential of native MS coupled to gas-phase ion chemistry as a means of facilitating ratio

147 rocesses and may pave the way for the use of gas-phase ion chemistry for the generation of complex mo

148 ouples shotgun tandem mass spectrometry with gas-phase ion chemistry to achieve both differentiation

149 However, supplementing native MS with a gas-phase ion manipulation technique (limited charge red

150 When coupling drift-tube gas-phase ion mobility separations with ion trapping mas

151 catalyze the transformation of methane in a gas-phase ion trap experiment via nonoxidative coupling

152 Gas-phase ion-ion proton transfer reactions (PTR), which

153 In this study, gas-phase ion-molecule reactions between deprotonated gl

154 Diagnostic and predictable gas-phase ion-molecule reactions have emerged as a poten

155 fragmentation, its causes were examined via gas-phase ion-molecule reactions in vacuum in a linear q

156 this study, HPLC/MS(2) experiments based on gas-phase ion-molecule reactions of protonated model com

157 loped a top-down shotgun-MS method utilizing gas-phase ion/ion charge inversion chemistry that provid

158 Gas-phase ion/ion reactions have been enabled on a comme

159 Gas-phase ion/molecule reactions have been used extensiv

160 ids and the determination of their preferred gas-phase ionization site.

161 Protein molecules in small droplets may form gas-phase ions earlier than the ones in large droplets.

162 ein complexes retain native structure in the gas phase is highly dependent on experimental conditions

163 The NO concentration within the emitted gas phase is monitored continuously with a commercial am

164 Using electron-based fragmentation in the gas phase it is possible to measure deuterium uptake at

165 Recent advances in gas phase laser spectroscopy of conformer-selected pepti

166 Gas-phase losses to large Teflon-walled environmental ch

167 the case of N(2)O, partitioning into trapped gas phases makes N(2)O unavailable for enzymatic reducti

168 herefore, that Delta-DFT facilitates running gas-phase MD simulations with quantum chemical accuracy,

169 and the drive toward realizing reproducible gas-phase measurements, ion mobility experiments are com

170 m, which is quite distinct from our proposed gas-phase mechanism and occurs on a femtosecond time sca

171 Native mass spectrometry, an intrinsically gas-phase method, has recently been demonstrated as a pr

172 Gas-phase methods, including chemical vapor deposition,

173 w, the first direct experimental evidence of gas-phase methyl radicals (CH(3) (.) ) in the ODHP react

174 l, yet highly inefficient means to determine gas-phase mobility coefficients.

175 e mobility dimension, we illustrate that the gas-phase mobility of polyatomic ions conforms to Blanc'

176 a molecule is sampled by exciting an initial gas-phase molecular conformer into diverse conformation

177 mely bright source of terahertz radiation: a gas-phase molecular laser based on rotational population

178 tate was physisorbed, initial capture of the gas-phase molecule, dosed with an energetic molecular be

179 For isolated gas-phase molecules, eigenstates well above the isomeriz

180 Constant therapeutic gas phase nitric oxide (NO) delivery is achieved from S-

181 rification (mainly NO(*), HNO, and N(2)O) to gas-phase nitrogen (i.e., N(2)O and N(2)).

182 ace chemistry resulted in elevated levels of gas-phase nitrogen dioxide (NO(2)).

183 rther surprising finding is the formation of gas-phase nitrous acid (HONO), a species known to be a m

184 s technology could be used for point-of-care gas phase NO generation as an alternative for currently

185 neous chemical kinetics with the reaction of gas phase O(3) and aqueous maleic acid droplets.

186 To identify reactive species occur in gas phase of applied CAPP for BRJ treatment, optical emi

187 h those detected in higher abundances in the gas phase of protoplanetary disks, providing important i

188 of 400%, through the increased oxidation of gas-phase organic carbon emitted by the forests.

189 The identification and quantification of gas-phase organic compounds, such as volatile organic co

190 Knorr pyrrole synthesis were examined in the gas phase, outside the high vacuum environment of the ma

191 Recent advances in the photochemistry of gas-phase oxidized Hg(I) and Hg(II) species postulate th

192 ranes, and most cooking oils was oxidized by gas-phase ozone on a surface.

193 that oxidation of thin solid films of NPM by gas-phase ozone produces unexpected products, the majori

194 restriction of the sn1 tail length, limiting gas-phase packing efficiency.

195 In-cylinder results showed that gas-phase PAHs were more abundant than soot-bound PAHs i

196 can be formed via both surface-mediated and gas-phase pathways.

197 Here, we demonstrate that gas-phase peptide separation instead of LC enables fast

198 Careful transfer of ions into the gas-phase permits the measurement of protein structures,

199 Subsequent gas-phase photochemistry increased the mixing ratios of

200 Here, we present a gas-phase photoelectron spectroscopic study on the arche

201 The efficient gas-phase photolysis of Hg(II) and Hg(I) has recently be

202 The efficient gas-phase photoreduction of Hg(II) has recently been sho

203 Using ozone as a model gas-phase pollutant, we show that titanium-containing mi

204 eal-time monitoring of primary and secondary gas-phase pollutants, as well as other atmospheric condi

205 ovide an important surface for reaction with gas-phase pollutants.

206 The gas-phase potential energy surface of the penta-anion ha

207 sion inventories of primary emissions and of gas-phase precursors.

208 solution-phase labeling is conserved in the gas phase prior to precursor fragmentation.

209 ed by a barrierless, vinylacetylene mediated gas-phase process thus disputing conventional hypotheses

210 is volume loss corresponds to an increase in gas-phase products, we measured gas-phase volatile organ

211 se studies reveal the extent to which intact gas-phase protein ions are capable of solvating charge,

212 tive MS of membrane proteins often result in gas-phase protein unfolding or loss of noncovalent inter

213 Gas-phase proton affinities (PAs) and hydride affinities

214 rgy gap (DeltaE(S-T) = -45 kcal/mol), a high gas-phase proton affinity (PA = 258 kcal/mol), and a pre

215 MALDI-2 has no obvious correlation with the gas-phase proton affinity values of the analyte molecule

216 rofiling from total lipid extracts utilizing gas-phase proton-transfer ion/ion reactions.

217 The gas-phase quantum chemical calculations suggest that the

218 er molecular dynamics (BOMD) simulations and gas-phase quantum chemical calculations to study the iod

219 (SVUV-PIMS), which uncovers the existence of gas-phase radical pathways.

220 st helicene as a benchmark, we show that the gas phase reaction of the 4-phenanthrenyl radical ([C(14

221 whereas 2M3P is lost by both photolysis and gas phase reaction with atmospheric oxidants.

222 Compared with the gas phase reaction, the overall activation energy for th

223 the negative of the enthalpy change for the gas-phase reaction between a proton and the neutral mole

224 m surface contamination originating from the gas-phase reaction during the high-temperature growth.

225 ark discovery in catalysis, but the proposed gas-phase reaction mechanism is still open to discussion

226 A representative, low-temperature gas-phase reaction mechanism synthesizing polyacenes via

227 ed to be more plausible than the alternative gas-phase reaction mechanism.

228 d in star-forming regions via the elementary gas-phase reaction of methylidyne radicals with hydrogen

229 (6)) has been synthesized via the elementary gas-phase reaction of the methylidyne radical (CH) with

230 skin oil confirms that the RH dependence of gas-phase reaction product generation occurs similarly o

231 d between limonene and HOCl/Cl(2) leading to gas-phase reaction products that were investigated using

232 Gas-phase reaction with OH is expected principally to re

233 all CVD system is capable of suppressing the gas-phase reaction, and achieves the superclean growth o

234 and the finding about the engineering of the gas-phase reaction, which is usually overlooked, will be

235 stepwise ring annulation through bimolecular gas phase reactions in circumstellar envelopes of carbon

236 tested, resulting in the studies of multiple gas-phase reactions in parallel.

237 The mechanisms of these atmospheric pressure gas-phase reactions were explored through the direct cap

238 elopment of robust MOF catalysts for diverse gas-phase reactions.

239 The gas-phase reactivities of several protonated quinoline-b

240 ce for a substantial change in structure and gas phase reactivity of Al(3)O(4)(+) upon Fe-substitutio

241 sites must be for them not to interact, the gas-phase reactivity of several isomeric protonated (iso

242 l reaction between HF and Na(2)A(NaA)(n)(+), gas-phase reagent ions produced by nano-ESI where A repr

243 ting the opportunities that are provided for gas-phase research on neutral peptides.

244 o perform the separation in both aqueous and gas phases, respectively.

245 localized this effect to the formation of a gas-phase salt bridge in the first activated conformatio

246 A key difficulty in working with gas-phase samples, especially at lower pressures, is tha

247 A brief survey of recent applications to gas-phase sensing is included, but the focus is primaril

248 fficiency of cross-links, here, we present a gas-phase separation strategy using high-field asymmetri

249 e added high specificity for these selective gas-phase separations.

250 is that separates ions on the basis of their gas-phase size and shape (reflected by collision cross s

251 the presence of a unique extended or "open" gas-phase sodiated conformer, not shared with the epimer

252 Gas phase species are observed and chemical exchange bet

253 orbates are found to correlate strongly with gas phase specific heat capacity of the adsorbate.

254 nced CIU capabilities enable us to study the gas phase stability of the GroEL 7-mer and 14-mer comple

255 the overall collision cross section and the gas-phase stability of the DC-SIGN isoforms.

256 tive TD) mass spectrometry was used to probe gas-phase structural changes of alcohol dehydrogenase (A

257 Modeling of the gas-phase structures and dissociation chemistry of these

258 Specific examples include gas-phase, substrate-free, plasma-liquid, and surface-su

259 mperature dependence that we measure for the gas-phase supersaturations, we expect such transient con

260 to be out of equilibrium in order to sustain gas-phase supersaturations.

261 mistry and ionic reaction intermediates, the gas phase synthesis involves a targeted ring annulation

262 Here we demonstrate a gas-phase synthesis method that substantially transforms

263 The products of methane dehydrogenation by gas-phase Ta(4) (+) clusters are structurally characteri

264 Gas-phase techniques were used to examine the halogenati

265 covered a wide range from being primarily in gas-phase (TEP, TnBP) or particle-phase (EHDPP, TEHP, T2

266 We derive gas-phase thermodynamic parameters for discernible inner

267 laser to trace the ultrafast ring opening of gas-phase thiophenone molecules following ultraviolet ph

268 s been synthesized for the first time in the gas phase through the reaction of the methylidyne radica

269 oscopy, and structures were optimized in the gas phase to estimate relative adduct stability.

270 ort rate of contaminants and oxygen from the gas phase to the liquid phase, where pollutant biodegrad

271 mposition-dependent interactions between oil-gas phase transfer; aqueous dissolution; and densities a

272 tructure of the 5- cluster lies close to the gas-phase transition state.

273 dissociated methyl disfavors desorption into gas phase under the reactive conditions.

274 structural aspects of macromolecules in the gas phase, under the premise of having initially maintai

275 IU) has gained increasing attention to probe gas-phase unfolding of proteins and their noncovalent co

276 g our denoising protocol, we detect separate gas-phase unfolding signatures for lipid and protoporphy

277 tergent micelle, which can cause significant gas-phase unfolding.

278 s intact deprotonated ions, from GBPs in the gas phase using collision-induced dissociation.

279 an additional peptide separation step in the gas phase using the FAIMS device, we increase the number

280 This has been demonstrated in the gas phase via ion/ion reactions in conjunction with a te

281 The gas phase vibrational spectrum of Al(2)FeO(4)(+) is excl

282 estigated using tandem mass spectrometry and gas-phase vibrational spectroscopy combined with electro

283 re increased the total mass concentration of gas-phase VOCs by a factor of 3.

284 increase in gas-phase products, we measured gas-phase volatile organic compound (VOC) concentrations

285 measured in CF chambers are not affected by gas-phase wall losses (GWL).

286 d CF experiments do mitigate some effects of gas-phase wall losses after long (>2 days) experiment ru

287 imentally-constrained box model to show that gas-phase wall losses impact both types of chambers when

288 of Hg, Se, As, and Cl to solid, liquid, and gas phase waste streams by combining publicly available

289 ithin dewetted sections of the pore resemble gas phase water.

290 hallenging to preserve such oligomers in the gas phase where mass-selected structural studies using i

291 ar solvents than in nonpolar solvents or the gas phase, which can be viewed in the resonance model as

292 are extracted from the water phase into the gas phase, which is supplied to the MS by using an exter

293 ation barrier by around 80 kJ mol(-1) in the gas phase, while a negative charge has a smaller opposit

294 ectro-sprayed cross-linked conformers in the gas phase, while constituting promising evidence for the

295 ms are cellular solids composed of solid and gas phases, whose mechanical, thermal, and acoustic prop

296 unds has previously been investigated in the gas phase with metal oxides as heterogeneous catalysts.

297 er Waals complexes for trans-isoprene in the gas phase with moderate association energies.

298 d by measuring the released volatiles in the gas phase with solid-phase microextraction and GC-MS.

299 that organic UV-filters exist mainly in the gas phase with some exceptions, for instance, octocrylen

300 the first in liquid phase and the second in gas phase, with a label-free detection of the analytes.