ライフサイエンスコーパス: photochemical

1 ed a concise synthesis of eriobrucinol via a photochemical [2 + 2] cycloaddition.

2 res and geometrically favours intramolecular photochemical [2 + 2] cycloadditions, displays a nearly

3 eric products can be selectively obtained by photochemical [2+2] cycloaddition of 1,4-bis[2-(4-pyridy

4 xygen species (ROS) are produced via various photochemical, abiotic, and biological pathways.

5 Photochemical action spectra indicate that doping involv

6 identified and extensively investigated the photochemical activation and reaction of a hydroxyquinon

7 Photochemical activation of the prodrug upon green light

8 egy, we developed a latent agonist that upon photochemical activation releases a small-molecule ligan

9 QD):MoFe protein nitrogenase complexes under photochemical activation using EPR.

10 levated OOA during wintertime periods of low photochemical activity that coincide with periods of int

11 ss spectrometry (FT-ICR MS) and quantify DOM photochemical activity using probe compounds.

12 tition between the nucleophile and water for photochemical addition into the activated steroid struct

13 When a relatively low equivalent photochemical age (<~1 d) and high NO are needed, OH and

14 his study and was slightly enhanced with the photochemical age of air masses, indicating that most of

15 Laboratory experiments indicate that aqueous photochemical aging (aging by UVB and UVA photolysis; as

16 ssions and reach hours to days of equivalent photochemical aging in just minutes of real time.

17 The effects of photochemical aging on exhaust emissions from two light-

18 , NACs degrade faster than organonitrates by photochemical aging.

19 ncreased SOM coating thickness and increased photochemical aging.

20 The tool draws upon source apportionment photochemical air quality modeling to characterize the c

21 The photochemical analysis suggests that the observed expans

22 of-the-art are a particular focus, including photochemical and electrochemical methods, novel biomime

23 n PCs are established, demonstrating tunable photochemical and electrochemical properties, and access

24 udies to disentangle DOM reactivity based on photochemical and microbial-induced transformations.

25 The recent development in photochemical and photocatalyzed processes enabled the d

26 This constitutes the first step of photochemical and photophysical processes that include p

27 Their rich photochemical and photophysical properties derive from a

28 Here, we systematically evaluated the photochemical and photophysical properties of a library

29 y focused on the effects of ozonation on the photochemical and photophysical properties of dissolved

30 eins and their correlation with the observed photochemical and photophysical properties.

31 perstoichiometric quantities in a variety of photochemical and radical reactions.

32 molecular scale, we describe the fundamental photochemical and redox processes that can enable its re

33 electrochemical analysis revealed the unique photochemical and redox properties of these systems.

34 prehensive and quantitative mechanism of the photochemical and thermal atmospheric reactions between

35 ime a complete quantitative mechanism of the photochemical and thermal conversion between atmospheric

36 h considerable additional contributions from photochemical and thermal degradation during the daytime

37 ds has focused on abiotic mechanisms, mainly photochemical and thermal degradation, but they only par

38 red using DFT calculations, and the expected photochemical and thermal isomerization behavior was con

39 onal molecular rotation based on alternating photochemical and thermal isomerizations of overcrowded

40 We also discuss recently developed chemical, photochemical, and electrochemical methods for uncouplin

41 protein ligation methods based on chemical, photochemical, and enzyme-mediated processes has emerged

42 Substantial damage to the photochemical apparatus occurs at extreme dehydration, a

43 gn of plasmonic nanostructures for efficient photochemical applications and solar energy utilization.

44 prominent biological effects makes this new photochemical approach an important discovery in synthet

45 In this report, we describe a photochemical approach that now allows the insertion of

46 (MeSO(C(7)H(7)))]PF(6), thus providing a new photochemical approach toward the synthesis of chiral cy

47 limitations of current transition metal and photochemical approaches.

48 Such photochemical behavior has never been reported before.

49 In addition, analogous photochemical behavior is also demonstrated on other MV(

50 The photochemical behavior of several dienones was studied u

51 These modalities exploit cyanines' versatile photochemical behavior with thiols.

52 Here, we describe a system for photochemical carbon-carbon bond formation to make 2-oxo

53 o clarify the mechanism of CO(2) storage via photochemical carboxylation of o-alkylphenyl ketones, or

54 incorporation of fluorine atoms in an exotic photochemical cascade whose mechanism and exquisite ster

55 We performed experiments in a photochemical chamber, with aerosol-phase humic acid as

56 I) 4H-imidazolate complex to be stored after photochemical charging and used as a reagent in dark rea

57 ent a comprehensive mechanistic study of the photochemical CO release from 3-hydroxy-2-phenyl-4H-chro

58 In contrast, under photochemical conditions, the catalysis smoothly proceed

59 t explains competing processes under varying photochemical conditions.

60 extracts (SE) which are known for their high photochemical content.

61 (ii) the association of electrochemical and photochemical control of this NIR emission in a single s

62 e used to enable non-invasive spatiotemporal photochemical control over the release of species of int

63 Photochemical conversion in oxygenic photosynthesis take

64 The quantum yield for photochemical conversion of 3 is ~0.03 and decreases sig

65 Photochemical conversion of CO(2) into fuels has promise

66 lorophyllide binding, photosensitization and photochemical conversion to chlorophyllide.

67 Photochemical cross-linking reveals that the baboon amyl

68 othiophene followed by azidation, thermal or photochemical cyclization, glycosylation, and final func

69 The photochemical decarboxylation of carboxylic acids is a v

70 Evidence for methyl-mercury subjected to photochemical degradation in the photic zone is provided

71 nd that the chemical kinetic data do capture photochemical degradation of the 4-ring PAHs under ambie

72 uced nitrogen intermediates generated during photochemical denitrification (mainly NO(*), HNO, and N(

73 n groundwater had a negligible impact on the photochemical denitrification process.

74 auxiliary, coupling with activated dCMP and photochemical deprotection, the individual diastereomers

75 The key orifice contraction step, a photochemical desulfinylation of an open fullerene, was

76 trict-level PM(2.5) exposure and an Eulerian photochemical dispersion model CAMx (Comprehensive Air Q

77 nzene and 6pai-electron heterocycles trigger photochemical distortions that provide access to complex

78 Symbiont densities and photochemical efficiencies differed significantly among

79 tes a loss channel from the point of view of photochemical efficiency and highlights the necessity to

80 ible mode of action of isoprene in improving photochemical efficiency and photosynthetic stability.

81 ted some aspects of photophysiology (maximum photochemical efficiency), facilitated others (alpha, th

82 d fiber-shaped Li-CO(2) battery with overall photochemical-electric energy conversion efficiency of u

83 Full photochemical, electrochemical, and frontier orbital cha

84 A central question is how direct photochemical electron delivery from nanocrystals to MoF

85 , and negative with the quantum yield of non-photochemical energy conversion in Photosystem II (Y(NPQ

86 e side chain remains deprotonated, recovered photochemical enzymatic turnover.

87 The primary photochemical event upon light absorption is isomerizati

88 n energy-level diagram visualizing different photochemical events in ZnPc-MoS(2) was established and

89 by competing reaction paths accessible upon photochemical excitation of the substrates, the current

90 HONO observations are lacking or plumes have photochemical exposures exceeding an hour as emitted HON

91 ific contaminants is needed to predict their photochemical fate.

92 nder acidic conditions, 100% of the observed photochemical Fe(II) generation on Fe(III) reduction occ

93 ied photolysis of HNO(3) on Pyrex glass in a photochemical flow reactor over a wide range of HNO(3) s

94 r HS with a significant reduction in the non-photochemical fluorescence quenching of the photosynthet

95 anic synthesis, a comprehensive mechanism of photochemical formation of carbenes from diazoalkanes ha

96 a state-of-the-science model to simulate the photochemical formation of secondary organic aerosol (SO

97 ighlights the hitherto untapped potential of photochemical gas release to elicit a photomechanical re

98 k of understanding of the first steps of the photochemical gas-to-particle conversion mechanism.

99 Further climate-induced effects with photochemical implications are shorter ice-cover seasons

100 ed with azidophenyl groups, allowing for the photochemical in situ immobilization of proteins, which

101 VWF) released from the endothelium following photochemical injury in an endothelialized microfluidic

102 we expected to transform a weak chemical or photochemical input into a large chemical output, which

103 y crystallography, we detected an unexpected photochemical intermediate trapped in a crystal of the h

104 sibly control the extent of diol binding via photochemical isomerization.

105 tablished, but rotary cycles based purely on photochemical isomerizations are rare.

106 The utility of this photochemical ligation in materials science is demonstra

107 Photochemical ligation is important in biomaterials engi

108 with a standard model that does not consider photochemical loss of organic carbon.

109 ipurpose, efficient VUV/UV light sources for photochemical materials processing and spectroscopic mat

110 ridium and nickel catalysts, and uncover the photochemical mechanism for reductive activation of the

111 A photochemical method for converting aliphatic alcohols i

112 Reported here is a combined electrochemical/photochemical method for dehydrogenative C(sp(3) )-H/N-H

113 in Ohio, we observed highly efficient (>80%) photochemical mineralization of DOM within hours in a so

114 utants in surface waters were examined using photochemical model calculations.

115 Here, we reevaluate their data using a 1D photochemical model.

116 on that relies on electrochemical reduction, photochemical N(2) -splitting and thermal nitrogen trans

117 (3)(*) under dark conditions followed by the photochemical OH(*) reaction and photolysis were investi

118 ly observed shape changes after surgical and photochemical operations, indicate that fitting of only

119 udies into catalyst activation revealed that photochemical or thermal activation of [(eta(5)-C(5)Me(5

120 ropriate guests able to condition the redox, photochemical, or pH-triggered behavior of tailored mult

121 go transformation reactions with atmospheric photochemical oxidants, such as hydroxyl radicals (OH(*)

122 d development of an electrochemically driven photochemical oxidation of primary and secondary aliphat

123 Fast photochemical oxidation of protein (FPOP) has become an

124 Fast photochemical oxidation of proteins (FPOP) coupled with

125 bodies have been probed in detail using Fast Photochemical Oxidation of Proteins (FPOP) followed by p

126 Fast photochemical oxidation of proteins (FPOP) is a MS-based

127 Fast photochemical oxidation of proteins (FPOP) is a protein

128 a combination of neutron reflectivity, fast photochemical oxidation of proteins (FPOP), and NMR.

129 Fast photochemical oxidation of proteins (FPOP), first introd

130 e hydroxyl radical footprinting method, fast photochemical oxidation of proteins (FPOP), utilizes hyd

131 In vivo fast photochemical oxidation of proteins (IV-FPOP) is a hydro

132 method named LITPOMS (ligand titration, fast photochemical oxidation of proteins and mass spectrometr

133 method named LITPOMS (ligand titration, fast photochemical oxidation of proteins and mass spectrometr

134 cluding hydrogen/deuterium exchange MS, fast photochemical oxidation of proteins, and carboxyl group

135 termination of primary alcohols based on the photochemical oxidation under UV-LED irradiation in the

136 ative radical transfer pathway or non-native photochemical oxidation, following photosensitization by

137 posure to the laser irradiation required for photochemical oxidation.

138 rom wildfires and the main driver of initial photochemical oxidation.

139 Multimodal chemical or photochemical oxidative switching of an antioxidant-subs

140 We report an unprecedented photochemical oxygen insertion reaction into an aromatic

141 Coupled with a photochemical Paterno-Buchi reaction, this method enable

142 product that had become contaminated despite photochemical pathogen reduction.

143 product that had become contaminated despite photochemical pathogen reduction.

144 bon (DOC) acts as a switch between different photochemical pathways (direct photolysis, and indirect

145 light levels and could have implications for photochemical pathways allowing magnetosensing.

146 xes for similar ultrafast decays to optimize photochemical performance.

147 demonstrate for the first time a successful photochemical PFOS degradation by irradiation with 254 n

148 ent quantum dots (QDs) is critical for their photochemical, -physical, and -biological applications.

149 halimide 3 is an efficient and high-yielding photochemical precursor of dG(N(1)-H)(*) that will facil

150 ed that amino acids in general might also be photochemical precursors of CO(2), ammonia, acetaldehyde

151 The operational simplicity of this photochemical process and the structural novelty of the

152 We report here a photochemical process for the selective modification of

153 s were simultaneously found accompanied by a photochemical process in chloroform.

154 tic electrons play an essential role in this photochemical process, the exact function of plasmon-gen

155 ety of heteroarenes are compatible with this photochemical process, which leads to the corresponding

156 each complex and the quantum yield for each photochemical process.

157 e most valuable and intensively investigated photochemical process.

158 ; and trees produce CH(4) through an abiotic photochemical process.

159 outcomes of virtually all photophysical and photochemical processes are determined by conical inters

160 onstrate a chemical system that can decouple photochemical processes from the day-night cycle, which

161 The merging of click chemistry with discrete photochemical processes has led to the creation of a new

162 contrasting results about how biological and photochemical processes interact to contribute to the de

163 lications for controlling the selectivity of photochemical processes more generally, in that, selecti

164 to realizing utilization of solar energy in photochemical processes on a global scale.

165 Photochemical processes taking place in surface fresh wa

166 Photochemical processes that directly convert photons to

167 provide detailed information about dynamical photochemical processes with ultrafast resolution and at

168 ide time-dependent structural information on photochemical processes, and we conclude with a critical

169 inherent polarity sensitivity that inhibits photochemical processes.

170 unexpected solvation effects on chemical and photochemical processes.

171 sponse to browning and subsequent impacts on photochemical processes.

172 Photochemical processing taking place in atmospheric aqu

173 regions is consistent with biological and/or photochemical processing.

174 The photochemical production and degradation of acetaldehyde

175 issions of primary organic aerosol (POA) and photochemical production of SOA from a diesel engine usi

176 We show that photochemical production of sulfate is generally more ef

177 under clean Arctic conditions from snowpack photochemical production.

178 ning a water-soluble Ir catalyst with unique photochemical properties and an inexpensive diode laser

179 roperties, and emission, together with other photochemical properties and applications.

180 Compounds 9b and 15b show excellent photochemical properties and biological activity as fluo

181 etter understanding of DOM spectroscopic and photochemical properties and how they are impacted by di

182 iable strategy to engineer novel optical and photochemical properties in organic conjugated materials

183 ch off-target effects while not changing the photochemical properties of MNI-Glu significantly.

184 r stacking modes significantly influence the photochemical properties of pai-stacked dimers and offer

185 salt both by tuning the electrochemical and photochemical properties of the pyridinium scaffold to e

186 We determined the spectral and photochemical properties of the two recombinant bacterio

187 The photophysical and photochemical properties of transition metal complexes c

188 the bis-adducts and their spectroscopic and photochemical properties, as well as the effect of azobe

189 t an SAR study with the aim of enhancing its photochemical properties, especially its two-photon unca

190 pen-shell singlet biradical with interesting photochemical properties, such as photoisomerization und

191 Because of their specific photophysical and photochemical properties, they find versatile applicatio

192 ctions that produce the observed optical and photochemical properties.

193 e and linear relationship with the effective photochemical quantum yield of Photosystem II (Y(II)) an

194 major photoprotective processes such as non-photochemical quenching (NPQ) directly determine whole c

195 olic photosensor that is responsible for non-photochemical quenching (NPQ) of the light-harvesting pr

196 energy processes, collectively known as non-photochemical quenching (NPQ).

197 th LL plants favouring slowly reversible non-photochemical quenching (qI), which positively correlate

198 erences in photosynthetic efficiency and non-photochemical quenching among host-symbiont pairings.

199 II (PSII), effective quantum yield of PSII, photochemical quenching and non-photochemical quenching

200 eld of PSII, photochemical quenching and non-photochemical quenching in both species between all stud

201 ng the chlorophyll fluorescence parameter of photochemical quenching in the dark, which measures the

202 hem to rapidly switch on photoprotective non-photochemical quenching of excitation energy.

203 These plants display non-photochemical quenching, despite the absence of both zea

204 ther photoprotective mechanisms, such as non-photochemical quenching, were not activated at elevated

205 ility to carry out state transitions and non-photochemical quenching.

206 g a reduced capacity for photoprotective non-photochemical quenching.

207 Kinetic studies facilitated by photochemical radical generation reveal that Y731 change

208 We predicted photochemical radical production rates and steady-state

209 Classic and contemporary thermal and photochemical radical sources could be employed; while p

210 Here, we develop a nanosecond photochemical reaction (nsPCR)-based click chemistry, ca

211 moval, suggesting the importance of both the photochemical reaction and oxygen involvement.

212 s and imidoylnitrenes under both thermal and photochemical reaction conditions.

213 ammonia and the role of electron flux in the photochemical reaction cycle.

214 We show that the photochemical reaction mechanisms for alpha-keto acids i

215 The photochemical reaction of methane with EHP (pathway E1)

216 Ultraviolet photochemical reaction of sulfite (SO(3)(2-)) photosensi

217 let light illumination of JF-NP-26 induces a photochemical reaction prompting the active-drug's relea

218 electron transfer pathways, while it reduces photochemical reaction type-II pathways resulting in pro

219 re derived from partially reduced species by photochemical reaction.

220 resolution optical patterning of QDs through photochemical reactions and in situ ligand exchange in Q

221 revealing a tight coupling between specific photochemical reactions and macromolecular dynamics.

222 Starting with photochemical reactions and photoactivated materials, we

223 the design of 2D, 3D, and 4D materials using photochemical reactions are summarized.

224 principle for controlling the efficiency of photochemical reactions by utilizing transient interacti

225 Photochemical reactions convert dissolved organic matter

226 ritical towards enhancing the application of photochemical reactions for industrial process developme

227 Photochemical reactions in crystals occur under conditio

228 d upon the robust capabilities and impact of photochemical reactions in drug discovery and developmen

229 ed rapid plume rise, latitudinal spread, and photochemical reactions provide new insights into potent

230 -pair mechanism of magnetic-field effects in photochemical reactions, allowing models of biological m

231 e parts: intermediate states in chemical and photochemical reactions, manipulation of structural prop

232 include the origin of sudden polarization in photochemical reactions, methods of planarization of puc

233 ions has been extensively exploited to drive photochemical reactions, offering intriguing opportuniti

234 With this review, we comprehensively discuss photochemical reactions, photoactivated materials, and t

235 ing of symmetry breaking in enantioselective photochemical reactions.

236 reorganization to maintain the efficiency of photochemical reactions.

237 asmonic material for prompting visible-light photochemical reactions.

238 icles has been shown to accelerate and drive photochemical reactions.

239 d by both exports of plumes upwind and local photochemical reactions.

240 ere also examined, finding that their direct photochemical reactivity could be qualitatively predicte

241 In this study, the photochemical reactivity of EBS was investigated in the

242 excited-state symmetry breaking affects the photochemical reactivity of quadrupolar and octupolar A-

243 ituents play an important role on the direct photochemical reactivity of the CF(3) moiety.

244 s reveal the importance of investigating the photochemical reactivity of water contaminants in a mixt

245 We evaluated DOM composition and photochemical reactivity of water samples from a wastewa

246 how the presence of a benzene motif affects photochemical reactivity, as benzene is well-known to co

247 nfirm the impact of the selenium atom on EBS photochemical reactivity.

248 n due to the orbital approaches required for photochemical reactivity.

249 The photochemical redox processes in spinach photosystem-II

250 Repeated photochemical reduction and chemical oxidation reveals t

251 information on reaction intermediates in the photochemical reduction of CO(2) to formate in acetonitr

252 o major pathways are reported to account for photochemical reduction of Fe(III) in sunlit surface wat

253 Patterning of nanoparticles (NPs) via photochemical reduction within thermally responsive hydr

254 y productivity (GPP) and the remotely sensed photochemical reflectance index (PRI) suggest that time

255 ack changes in chlorophyll fluorescence, the photochemical reflectance index, and leaf pigmentation.

256 based adsorption step followed by a step for photochemical regeneration of the adsorbent.

257 xcitatory neurotransmitter in the brain, and photochemical release of glutamate (or uncaging) is a ch

258 Atmospheric aging performed in a photochemical smog chamber did not strongly change the t

259 ated bromine concentrations are sustained by photochemical snowpack emissions of molecular bromine an

260 Photochemical sources explained from ~7 to 53% of the es

261 We report a method for the regioselective photochemical sp(3) C-H fluorination of acetonide ketals

262 Photochemical splitting into terminal nitride complexes

263 nanographenes evidence enhanced thermal and photochemical stability, and also absorption and emissio

264 The high crystallinity, porosity, photochemical stability, and light absorption ability of

265 C-Dots have good physicochemical, as well as photochemical stability, optical brightness, stability a

266 for extended acene structures with improved photochemical stability.

267 The photochemical step was performed on a gram scale.

268 nes are produced in good yields, in a single photochemical step, with the use of cyclohexane as a sol

269 on of the primary photoproduct and secondary photochemical steps.

270 Photochemical strategies that drive N(2) fixation are sc

271 Here, we report a photochemical strategy to obtain seven-membered ring ben

272 rized by the occurrence of genes involved in photochemical stress resistance, primary production and

273 Our in-depth photochemical, structural, morphological, and electrical

274 Photochemical studies of anthracene-phenol-pyridine tria

275 Our comprehensive optical spectroscopic and photochemical study shows that Mo(0) complexes with diis

276 Here, we explain why this photochemical synthetic approach was overlooked for so l

277 rstanding the response of this dynamical and photochemical system to increased forcing of the climate

278 hensive methodology to map the reactivity of photochemical systems on surfaces.

279 We developed a photochemical technology to individually study the GABA(

280 In surface waters, direct and indirect photochemical transformation is a known driver of inacti

281 relevant aquatic organic contaminants whose photochemical transformation is affected by dissolved or

282 been accomplished for the first time for the photochemical transformation of 4-hydroxy-alpha-benzopyr

283 tified surface waters could be attributed to photochemical transformations during summer months.

284 In the different photochemical transformations investigated, such as cros

285 These sediments preserve evidence of strong photochemical transformations of mercury in the absence

286 elucidated by in-depth investigation of the photochemical transformations of the photoacid generator

287 r fate and persistence will be influenced by photochemical transformations, the nature of which is po

288 ctivities of such compounds toward different photochemical transformations.

289 However, PBAT is also susceptible to photochemical transformations.

290 is that electrostatic field effects upon key photochemical transitions are predictably enhanced in in

291 azoles into their oxazole counterparts via a photochemical transposition reaction.

292 ior of the new motors is consistent with all-photochemical unidirectional rotation.

293 Photochemical unmasking of model compounds was studied a

294 nthrene rotaxane decomposes during attempted photochemical unmasking, whereas photolysis of the indan

295 o)chlorophyll fluorescence competes with the photochemical utilization of the excitation, the measure

296 A key photochemical valence isomerization of 3-prenyl-pyran-2-

297 Photochemical vapor generation (PVG) is an efficient tec

298 Herein, we developed a photochemical vapor generation (PVG) method for the gree

299 Efficient photochemical vapor generation (PVG) of tungsten has bee

300 ce between photosynthetic chain events (PSII photochemical yield, quenching) and the extracted electr