ライフサイエンスコーパス: photoisomerization

1 ins whose structure can be modulated via Z/E photoisomerization.

2 lly, unlike in all other taxa, which rely on photoisomerization.

3 artially unstacked conformations amenable to photoisomerization.

4 um yield by predetermining the trajectory of photoisomerization.

5 force along its C6,C6' axis is accessible by photoisomerization.

6 c exchange processes: hydrazone exchange and photoisomerization.

7 species upon excitation and encourage their photoisomerization.

8 p to 13 A in the backbone upon trans --> cis photoisomerization.

9 n to the exo cyclobutene 39, and 11 resisted photoisomerization.

10 her residue can support comparably efficient photoisomerization.

11 ns-bpod ligand bound to the Zn(II) cation by photoisomerization.

12 on to constrain the motion of retinal during photoisomerization.

13 entify the principal molecular motion during photoisomerization.

14 e stilbene diether linkers undergo efficient photoisomerization.

15 ctivation of this intermediate caused by its photoisomerization.

16 ged phenolic oxygen of pCA after chromophore photoisomerization.

17 nm (acid blue bR) and decreases the rate of photoisomerization.

18 pening and may best explain results on enyne photoisomerization.

19 operty is their resistance to fatigue during photoisomerization.

20 rom a tetraplatinum precursor and subsequent photoisomerization.

21 triazabutadiene that is rendered basic upon photoisomerization.

22 energy transfer (ET) pathways through BPMTC photoisomerization.

23 rature solid state (2)H NMR before and after photoisomerization.

24 nciding with the low quantum yield cis-trans photoisomerization.

25 as an intermediate in the isoxazole-oxazole photoisomerization.

26 As a result of the photoisomerization, a new hydrogen-bonded contact become

27 ly with 11-cis-retinal that was generated by photoisomerization after irradiation of RGR.

28 ur data support a toggle model whereby bilin photoisomerization alters GAF/PHY domain interactions th

29 Alternatively, C15 Z-E photoisomerization, although expected to lead to a small

30 don-excited rhodopsin, a productive directed photoisomerization and a nonproductive decay returning t

31 N,C-chelate BMes(2) compounds do, undergoing photoisomerization and converting to an intensely colore

32 three different functions (light-harvesting, photoisomerization and coordination of metal ions) which

33 Photoisomerization and deprotection completed the synthe

34 the azo group, exhibits minimal trans-->cis photoisomerization and extremely rapid cis-->trans therm

35 [3.1.0]hexyl)valerophenone, 24, also undergo photoisomerization and fail to undergo the Norrish Type

36 nic trans chromophoric forms, mutations tune photoisomerization and ground state tautomerizations to

37 l complex, Ru(II)(bpy)3, greatly accelerates photoisomerization and influences the photostationary st

38 odel our data, and the analysis reveals that photoisomerization and photodissociation of the metal-NO

39 alculate the energy profiles for chromophore photoisomerization and proton transfer, and to calculate

40 obenzene linker that undergoes subnanosecond photoisomerization and reisomerizes on a time scale of m

41 The quantum yield of photoisomerization and the activation barrier of thermal

42 ising spiropyran, which undergoes reversible photoisomerization, and PEGylated lipid enables repetiti

43 d in relation to the position of the D-ring, photoisomerization, and photochromicity in the phytochro

44 ss, which follows ultrafast (9 ps) trans-cis photoisomerization, and so does not involve excited-stat

45 stilbene diether linkers and their trans-cis photoisomerization are totally quenched in hairpins poss

46 s of the fluorescent protein Dronpa involves photoisomerization as well as protein side-chain rearran

47 ble changes in helical twisting power during photoisomerization as well as very high helical twisting

48 fr) transition commences with a rapid Z-to-E photoisomerization at the C(15)=C(16) methine bridge of

49 PSAA photoisomerization at the GluN1 clamshell hinge is suffi

50 Photoisomerization back to the trans-state with blue lig

51 -lives from 20 to 21000 s, while maintaining photoisomerization behaviors with visible light.

52 harvesting product via intersystem crossing; photoisomerizations; bond-breaking; and electron, proton

53 ure was improved, and, for a given number of photoisomerizations, bright-flash responses rose more gr

54 otecting groups does not alter the cis-trans photoisomerization but greatly decreases the selectivity

55 energy can complement photon energy to drive photoisomerization, but it also triggers spontaneous pig

56 the visual chromophore 11-cis-retinal after photoisomerization by a bleaching light, a pathway refer

57 is photoisomerized to 13-cis, i.e., the same photoisomerization causes the opposite conformational ch

58 egion from the nearby reactive region of the photoisomerization coordinate.

59 mutants that have a reduced rate of retinal photoisomerization (D85N, D212N, and R82Q) was found to

60 ution around the retinal, which controls its photoisomerization dynamics.

61 The large structural changes that accompany photoisomerization effectively passivate segments of the

62 erties of the chromophore, which affects the photoisomerization efficiency and the thermal isomerizat

63 ld gain insight into the coupling of primary photoisomerization events ("cause") and secondary unfold

64 side chain proved to be essential to primary photoisomerization for both classes of phytochromes, but

65 Diazo band integration reveals that photoisomerization from diazirine to diazo occurs within

66 adiation of the acylhydrazones that leads to photoisomerization from E-(1)A(1)C to Z-(1)A(1)C configu

67 tion by UV light (<400 nm), OMCA undergoes a photoisomerization from its trans to its cis form, which

68 y carotenoid geometrical motifs generated by photoisomerization from the all-trans geometry.

69 20% with fluorescence quenching occurring by photoisomerization from the E to Z isomers.

70 rations in mammalian epidermis and undergoes photoisomerization from the naturally occurring trans-is

71 On the other hand, when photoisomerization from the straight all-trans,15-anti c

72 zobenzene we find that the quantum yield for photoisomerization from trans to cis form is decreased 3

73 ll four C(70)O oxidoannulene isomers undergo photoisomerization, giving eventually the a,b- and c,c-C

74 Early measurements showed that this photoisomerization has a reaction quantum yield phi of a

75 The quantum yield of photoisomerization in acid purple bR was estimated to be

76 le, which is discussed in light of C(15) Z/E photoisomerization in addition to changes near C(5), whi

77 ed to probe the chemical dynamics of retinal photoisomerization in bacteriorhodopsin are discussed, a

78 re found to exhibit unprecedented reversible photoisomerization in both organic-solvent and liquid-cr

79 endence from 260-340 nm for trans to cis-UCA photoisomerization in human skin was analyzed in five he

80 ls has been demonstrated, the use of dynamic photoisomerization in mesostructured soft solids involvi

81 ng that entails initial storage of energy of photoisomerization in SRII's hydrogen bond between Tyr-1

82 Chromophore trans to cis photoisomerization in the acid-denatured state strongly

83 ng skin molecule that undergoes trans to cis photoisomerization in the epidermis following UVR exposu

84 f motion as the reason for the absence of Sd photoisomerization in the hairpins.

85 arge change in helical twisting power due to photoisomerization in three commercially available, stru

86 uantum yields and mechanism of its ultrafast photoisomerization in visual pigments.

87 We found that the rate of photoisomerization increases when the pH decreases from

88 vealed that two factors contributed to these photoisomerization-induced changes in quantum yields: in

89 ponent of the electroretinogram arising from photoisomerization-induced charge displacements in plasm

90 s of fully planar GFP chromophores, in which photoisomerization-induced deactivation is suppressed an

91 ive site; (ii) alteration of this network by photoisomerization-induced Schiff base deprotonation and

92 the Schiff base counterion Asp-97; and (ii) photoisomerization-induced transfer of the Schiff base p

93 the wild-type protein is caused primarily by photoisomerization-induced transfer of the Schiff base p

94 lymers have limited our understanding of how photoisomerization induces deformation as a function of

95 l spectra of bacteriorhodopsin's key J and K photoisomerization intermediates.

96 ochemical machinery transforms the rhodopsin photoisomerization into electrical signal.

97 ctroscopic approach to show that barrierless photoisomerization is an intrinsic property of 11-cis RP

98 The photoisomerization is best explained by a single rotatio

99 In some of the mutants the rate of photoisomerization is changed, but in none is the quantu

100 ate the large volume change during cis-trans photoisomerization is discussed.

101 he perturbation of PYP following chromophore photoisomerization is proposed.

102 Spiro-mero photoisomerization is reversible, allowing the fluoresce

103 Upon photoisomerization, major structural rearrangements that

104 The calculated potential energy surface for photoisomerization matches key, experimentally determine

105 have also been carried out to understand the photoisomerization mechanism at the molecular level.

106 t and second-generation DASAs share a common photoisomerization mechanism in chlorinated solvents wit

107 onale for the mechanochemical effect on this photoisomerization mechanism is also proposed.

108 Herein we have characterized the E/Z photoisomerization mechanisms of the visible-light-trigg

109 changes to the K intermediate where retinal photoisomerization occurs, and a subnanosecond component

110 fundamental processes governing vision: the photoisomerization of 11-cis-retinal to all-trans-retina

111 The visual process is initiated by the photoisomerization of 11-cis-retinal to all-trans-retina

112 Photoisomerization of 11-cis-retinal to all-trans-retina

113 Photoisomerization of 11-cis-retinal to all-trans-retina

114 In photoreceptor cells of the retina, photoisomerization of 11-cis-retinal to all-trans-retina

115 he absorption of light by rhodopsin leads to photoisomerization of 11-cis-retinal to its all-trans is

116 The initial step is often the photoisomerization of a conjugated chromophore.

117 P(r) and far-red-absorbing P(fr) states via photoisomerization of a covalently-bound linear tetrapyr

118 Ultrafast photoisomerization of a double bond in a biliverdin cofa

119 Photoisomerization of a protein bound chromophore is the

120 The dark isomers b generated by photoisomerization of a undergo a rare thermal intramole

121 loride anions on the dynamics of the retinal photoisomerization of acid bR (pH 2 and 0) and some muta

122 l to 11-cis-retinol by cRDH enhanced the net photoisomerization of all-trans-retinal bound to RGR.

123 thdraw a ligand from its binding site due to photoisomerization of an azobenzene linker.

124 During the photoisomerization of azobenzene by visible light, the i

125 We studied the ultrafast dynamics of the photoisomerization of azobenzene moieties embedded in a

126 ed this by taking advantage of the cis-trans photoisomerization of azobenzene molecules.

127 d UCNP effectively triggers the trans-to-cis photoisomerization of azobenzene, thus leading to the re

128 The photoisomerization of azobenzenes provides a general mea

129 Photoisomerization of biliverdin (BV) chromophore trigge

130 es a sequential reaction path in which a Z-E photoisomerization of C2-C3 is followed by a rotation ar

131 From the perspective of chiral induction, photoisomerization of cis-2,3-diphenyl-1-benzoylcyclopro

132 general mechanistic questions concerning the photoisomerization of diazirine into diazo compound and

133 Photoisomerization of double bonds is employed as a mech

134 n by irradiation of the system, which causes photoisomerization of E-(1)A(1)C into Z-(1)A(1)C with am

135 rafast transient absorption data showing the photoisomerization of gas-phase CHBr3.

136 rotein-coupled receptor that is activated by photoisomerization of its 11-cis-retinal chromophore.

137 t generates 11-cis-retinal by stereospecific photoisomerization of its bound all-trans-retinal chromo

138 yellow protein (PYP) following trans-to-cis photoisomerization of its p-coumaric acid (pCA) chromoph

139 ike photochemistry based on the trans to cis photoisomerization of its p-coumaric acid chromophore.

140 Photoisomerization of Limulus rhodopsin leads to phospho

141 n reactant and product reveals the cis-trans photoisomerization of merocyanine isomers.

142 This mechanism allows the photoisomerization of molecular switches to stimulate ra

143 o regenerate opsin pigments in light through photoisomerization of N-ret-PE (N-retinylidene-phosphati

144 iazirine was captured as intermediate in the photoisomerization of nitrile imines into carbodiimides.

145 Upon E-->Z photoisomerization of oAzoBox(4+) the guest is expelled

146 In vertebrate retinal photoreceptors, photoisomerization of opsin-bound visual chromophore 11-

147 confirmed localized structural changes upon photoisomerization of rCRALBP-bound 11-cis-retinal and d

148 of the receptor and the lipids is altered by photoisomerization of retinal and involves curvature str

149 The primary all-trans --> 13-cis photoisomerization of retinal in bacteriorhodopsin has b

150 he primary events in the all-trans to 13-cis photoisomerization of retinal in bacteriorhodopsin have

151 The photoisomerization of retinal in bacteriorhodopsin is fa

152 The photoisomerization of retinal is extremely fast, highly

153 activation brought about through a cis-trans photoisomerization of retinal.

154 ed conformational switch that is released by photoisomerization of retinal.

155 Phototransduction is initiated by the photoisomerization of rhodopsin (Rho) chromophore 11-cis

156 Photoisomerization of ring D is reflected by strong sign

157 We used the CNT-sensitized photoisomerization of sorbic acid ((2E,4E)-hexa-2,4-dien

158 hodopsin activation occurs when light causes photoisomerization of the 11-cis chromophore to its all-

159 he simulations yield a working model for how photoisomerization of the 11-cis retinylidene chromophor

160 Light causes photoisomerization of the 11-cis-retinylidene chromophor

161 rase (CRTISO), in addition to light-mediated photoisomerization of the 15-cis-double bond; bacteria e

162 We propose a model photocycle in which Z/ E photoisomerization of the 15/16 bond modulates formation

163 The stereospecificity of photoisomerization of the all-trans-retinal chromophore

164 Photoisomerization of the all-trans-retinal of bacterior

165 Volume-demanding cis-trans photoisomerization of the aromatic substituted alkenes 1

166 sure to base and acid vapors, as well as the photoisomerization of the azobenzene end groups, occur i

167 e observations are attributed to a trans-cis photoisomerization of the azobenzene fragment on UV irra

168 The reversible photoisomerization of the azobenzene moiety destroys or

169 Upon the trans-to-cis photoisomerization of the azobenzene unit under UV light

170 mponent can be recovered by the cis-to-trans photoisomerization of the azobenzene unit under visible

171 During E --> Z photoisomerization of the azobenzenes, the complexity of

172 on mechanism of light perception: reversible photoisomerization of the bilin 15,16 double bond.

173 Light absorption triggers photoisomerization of the bilin between the 15Z and 15E

174 eveal complex structural alterations whereby photoisomerization of the bilin drives nanometer-scale m

175 Mutant studies show that upon photoisomerization of the chromophore at 80 K one of the

176 anges in the secondary structure in PYP upon photoisomerization of the chromophore can be described b

177 f the M intermediate of ppR and, presumably, photoisomerization of the chromophore during the M --> M

178 ation is resolved in bathorhodopsin, because photoisomerization of the chromophore places Glu-181 wel

179 Absorption of a photon results in photoisomerization of the chromophore to all-trans-retin

180 us a "bent" binding pocket is formed without photoisomerization of the chromophore.

181 Upon photoisomerization of the covalently bound retinal chrom

182 Photoisomerization of the covalently bound retinal trigg

183 The work takes advantage of the photoisomerization of the cyanostilbene moiety from the

184 or=300 nm) irradiation of the triad leads to photoisomerization of the DHP moiety to the cyclophanedi

185 ted down either of two different pathways by photoisomerization of the dihydroindolizine.

186 Photoisomerization of the dithienylethene bridge affects

187 luorescence after protein synthesis, complex photoisomerization of the GFP chromophore and poor expre

188 he variation of its oxidation potential upon photoisomerization of the neighboring AB bridge.

189 icient singlet-state adiabatic cis --> trans photoisomerization of the phenylstilbene chromophore.

190 Nonetheless, the photoisomerization of the photochrome becomes significan

191 Z-to-E photoisomerization of the Pr Cph1Delta2 phytochrome has

192 Specific photoisomerization of the protein-bound retinylidene PSB

193 The photoisomerization of the retinal chromophore and the fo

194 n by channelrhodopsin-2 (ChR2) relies on the photoisomerization of the retinal chromophore and the su

195 rimary visual event, the 11-cis to all-trans photoisomerization of the retinal chromophore in rhodops

196 n translocation in halobacteria is driven by photoisomerization of the retinal chromophore within the

197 (turnover time of ca. 50 ms), which includes photoisomerization of the retinal from the all-trans to

198 related to the differences in the cis-trans photoisomerization of the retinal in the two proteins.

199 inal and the Asp-96/Thr-46 pair, either from photoisomerization of the retinal in the wild-type prote

200 Photoisomerization of the retinal of bacteriorhodopsin i

201 ultrafast, and efficient 11-cis to all-trans photoisomerization of the retinal protonated Schiff base

202 ng the degree of achievable control over the photoisomerization of the retinal protonated Schiff-base

203 After photoisomerization of the retinal the pKa's change so as

204 pKa of the protonated Schiff base caused by photoisomerization of the retinal.

205 ward light perception is 11-cis to all-trans photoisomerization of the retinaldehyde chromophore in a

206 strikes retinal photoreceptor cells causing photoisomerization of the rhodopsin chromophore 11-cis-r

207 hotostability, partially attributable to the photoisomerization of the vinylene functionality.

208 at involve all-trans-retinal, the product of photoisomerization of the visual chromophore 11-cis-reti

209 The rates of photoisomerization of these complexes, [((Z)-1,2-bis(bip

210 The trans to cis photoisomerization of this chromophore activates a photo

211 y a dual pH-photochemical stimulus involving photoisomerization of trans-6 to cis-6 at pH 5.8.

212 n the initial photoexcitation and subsequent photoisomerization of trans-CA.

213 The photoisomerization of trans-p-coumaric acid (trans-CA) t

214 Vision begins with photoisomerization of visual pigments.

215 ere 1 does not react) which induce selective photoisomerizations of 4 and 6.

216 wable pericyclic reactions indicate that the photoisomerizations of retinals in rhodopsins can be for

217 first report of styrylflavylium cations with photoisomerization on the styryl moiety.

218 erization: the protein arrests inhomogeneous photoisomerization paths and funnels them into a single

219 t quantum chemical calculations on cis-trans photoisomerization paths of neutral, anionic, and zwitte

220 We conclude that the photoisomerization pathways in proteorhodopsin to 13-cis

221 tion in pupil area occurs at approximately 1 photoisomerization per rod per sec.

222 value corresponds to only approximately 0.01 photoisomerization per rod per second, whereas 80% reduc

223 For a background that produced 4.76 log10 photoisomerizations per rod per second (Rh*/rod/s), mean

224 especially light-triggered DDSs, relying on photoisomerization, photo-cross-linking/un-cross-linking

225 t irradiation of A2E was associated with A2E photoisomerization, photooxidation, and photodegradation

226 Among such processes are photoisomerization, photooxidation/photoreduction, break

227 AMP-2 was independently synthesized, and the photoisomerization predicted by calculations was confirm

228 To circumvent that photoisomerization problem, we explored the use of nitro

229 Mechanistic aspects of this unusual two-step photoisomerization process have been examined by DFT com

230 mination of molecular groups involved in the photoisomerization process of photoreceptors.

231 found to catalyze the rate of their retinal photoisomerization process up to the value observed in w

232 in motion and unveils in complete detail the photoisomerization process.

233 the three regions as further evidence of the photoisomerization process.

234 earlier to account for the highly efficient photoisomerization process.

235 as found to catalyze the rate of the retinal photoisomerization process.

236 major role of UVA in the formation of these photoisomerization products of 64PPs.

237 nd spectroscopic assignment of the different photoisomerization products was achieved by additional i

238 We exploit the E<-->Z photoisomerization properties of azobenzenes to alter th

239 nflict with the retinal C(1)(4) group during photoisomerization, proposed earlier to be essential for

240 ptors that couple absorbance of NIR light to photoisomerization, protein conformational changes, and

241 Photoisomerization provides a clean and efficient way of

242 y into specific rotary modes, thus achieving photoisomerization quantum efficiencies comparable to th

243 ults, the simulations reproduce the observed photoisomerization quantum yield and predict the time ne

244 The E --> Z photoisomerization quantum yield decreased markedly with

245 ial and regular increase in the trans-to-cis photoisomerization quantum yield in a counterintuitive w

246 sequence and hybridization dependence of the photoisomerization quantum yield of azobenzene attached

247 technique are used to determine the retinal photoisomerization rate, quantum yield, and the energy s

248 n the context of a three-state model for the photoisomerization reaction coordinate.

249 The photoisomerization reaction of these proteins has been s

250 , and support the hypothesis that the 200 fs photoisomerization reaction that initiates vision is dic

251 tions, which mimic glass preparation and the photoisomerization reaction, also indicate that glasses

252 to determine the structural dynamics of the photoisomerization reaction.

253 counts for all examples in the literature on photoisomerization reactions whether involving conformat

254 uced energy- or electron-transfer processes, photoisomerization reactions, or photoinduced proton tra

255 st of which rely on the photo-"uncaging" and photoisomerization reactions.

256 These results show that pCA photoisomerization reduces residual structure in the ful

257 Photoisomerization requires triplet sensitization, and t

258 The driving force for photoisomerization resides in the retinal, not in the su

259 Additionally, photoisomerization results in complete decoloration for

260 le to activate as many as 12 transducins per photoisomerization, rhodopsin catalyzed significantly mo

261 T retinas to a background light producing 82 photoisomerizations rod(-1) sec(-1), suggesting that G90

262 n of 70 trolands, corresponding to about 600 photoisomerizations s-1 per rod.

263 that produced by a steady light causing 500 photoisomerizations s-1.

264 a steady light eliciting approximately 3800 photoisomerizations sec-1 per cone, a value significantl

265 component was halved by backgrounds of 8700 photoisomerizations sec-1 per cone.

266 d by backgrounds eliciting approximately 100 photoisomerizations sec-1 per rod; the cone component wa

267 iorhodopsin to efficiently relay the retinal photoisomerization signal to the SRII integral membrane

268 This photoisomerization switches on and off some emission ban

269 e free urea macrocycle undergoes a cis-trans photoisomerization that is followed by a [2+2] cycloaddi

270 Conjugated enynes undergo a singlet-state photoisomerization that transposes the methylene carbon.

271 c effect that largely suppresses the Z --> E photoisomerization (the tau torsion) reaction, which is

272 rmined the rate and quantum yield of retinal photoisomerization, the spectra of the primary transient

273 eristic kinetics and high selectivity of the photoisomerization: the protein arrests inhomogeneous ph

274 e the S(1) reactive state and to measure the photoisomerization time constant with unprecedented prec

275 side chains near the retinal induced by its photoisomerization to 13-cis,15-anti and an extensive re

276 UVR-absorbing skin molecule that undergoes a photoisomerization to its cis-isomer following UVR expos

277 This facile process apparently precludes photoisomerization to other interesting C5H6 isomers, in

278 Inspired by halorhodopsin's use of photoisomerization to regulate chloride, aryltriazole-ba

279 ed helical foldamer becomes less stable upon photoisomerization to the cis forms.

280 Photoisomerization to the cis-form triggers a fluidifica

281 actant, azoTAB, which undergoes a reversible photoisomerization upon exposure to the appropriate wave

282 azobenzene surfactant undergoes a reversible photoisomerization upon exposure to the appropriate wave

283 azobenzene surfactant undergoes a reversible photoisomerization upon exposure to the appropriate wave

284 The surfactant undergoes a reversible photoisomerization upon exposure to visible (trans isome

285 Azobenzene undergoes reversible cis<-->trans photoisomerization upon irradiation.

286 ting compound undergoes one-photon trans-cis photoisomerization via two different mechanisms: direct

287 al finding is that isomers A undergo further photoisomerization when irradiated at 350 nm, forming a

288 hat signalling is achieved through ultrafast photoisomerization where localized structural change in

289 ryotrapping techniques, we showed that after photoisomerization, which occurs with a lifetime of 3.6

290 azobenzene surfactant undergoes a reversible photoisomerization, with the visible-light (trans) form

291 ld be explained by a Poisson distribution of photoisomerizations within a pool of seven or more coupl

292 l of backbone substituents tunes the overall photoisomerization yield from 0 to 0.55 and the excited

293 e key factor influencing the Phi(CI) and the photoisomerization yield.