ライフサイエンスコーパス: polymorph

1 d not the thermodynamically stable hexagonal polymorph.

2 lently observed in the layered alpha-Li2IrO3 polymorph.

3 of the Fe-doped 3C-BaTiO3-delta pseudocubic polymorph.

4 ilize crystalline monolayers of a metastable polymorph.

5 energetic arguments favoring the most stable polymorph.

6 ound are closed to those of the other yellow polymorph.

7 dd2) to a denser but topologically identical polymorph.

8 is essential for the transition to the alpha polymorph.

9 han the three-fold symmetric "quiescent" (Q) polymorph.

10 e same way we have now investigated the beta-polymorph.

11 ed the formation of brookite, a rare titania polymorph.

12 morph, and a nanocrystalline gamma-Li2B12H12 polymorph.

13 t of orthorhombic alpha-SnS, the most stable polymorph.

14 All the kiwifruit starches showed B-type polymorph.

15 f the hydrophobic interface in the threefold polymorph.

16 roduces exclusively the stable hexagonal ice polymorph.

17 ils display a value similar to the threefold polymorph.

18 stability and its capacity for formation of polymorphs.

19 cking, showing that they are ultrastructural polymorphs.

20 of the nucleation rate for different fibril polymorphs.

21 elationship between MB2 and MB12 type boride polymorphs.

22 ical and electronic properties of the two Zr polymorphs.

23 o control the formation of particular fibril polymorphs.

24 ndesirable phase coexistence between crystal polymorphs.

25 g existing molecular models for studying ice polymorphs.

26 ons, the material coexists as two structural polymorphs.

27 e large structural differences between these polymorphs.

28 e surface characterization of amyloid fibril polymorphs.

29 Si bridges similar to those in silica (SiO2) polymorphs.

30 anism for the propagation to specific fibril polymorphs.

31 stly within 5%, as observed also for crystal polymorphs.

32 ymmetries, is different in the two competing polymorphs.

33 ehind formation of metastable TIPS-pentacene polymorphs.

34 n polycrystalline thin films composed of two polymorphs.

35 ct the electrochemical redox activity of two polymorphs.

36 izes the stripe-like coexistence of multiple polymorphs.

37 nt molecules within the same unit cell or as polymorphs.

38 emihydrate form to the more stable anhydrous polymorphs.

39 the sharp peaks to be due to sodium sulphate polymorphs.

40 ated studies of the crystallization of these polymorphs.

41 mong competing paracetamol molecular crystal polymorphs.

42 litting efficiency observed across the three polymorphs.

43 ing crystal faces characteristic of specific polymorphs.

44 rmal behavior of alpha and beta myo-inositol polymorphs.

45 onformational variability within and between polymorphs.

46 latform for predictably accessing metastable polymorphs.

47 entification of crystal form in a mixture of polymorphs.

48 ting, phase 6I transforms to a new anhydrous polymorph 6II, which transforms upon cooling to a furthe

49 l orientations of the two methoxy groups: in polymorph A away from each other (termed anti), while in

50 gh face-to-face pi-pi interactions, while in polymorph A the crystal packing is further stabilized by

51 solution results in formation of metastable polymorphs, a one-dimensional and large-area analogy to

52 scanning calorimetry analysis revealed that polymorph alpha irreversibly undergoes endothermic trans

53 Five crystal polymorphs (alpha, beta'1, beta'2, beta1, and beta2) wer

54 strate independent tuning of the crystalline polymorph and molecular orientation in thin films of con

55 e matrices can be used to screen for crystal polymorphs and assess their stability as nanocrystals.

56 cate NC assemblies with various superlattice polymorphs and associated NC-ligand interactions in solv

57 irm the triplet yield disparities in the two polymorphs and demonstrate the distinct fates of the ini

58 this arises from the existence of different polymorphs and different types of adsorption sites.

59 an spectroscopy was used to characterize the polymorphs and liquid state of anhydrous milk fat, with

60 th a different structure from that of NaMnO2 polymorphs and other compounds studied extensively in th

61 al nanostructure, however, can stabilize new polymorphs and properties not observed in the constituen

62 this method we prepared high quality crystal polymorphs and resolved crystal structures of 6,13-bis(t

63 e magnesium content of crystalline carbonate polymorphs and stabilized magnesium calcite to inhibit a

64 al symmetry of the beta- and gamma-Li2B12H12 polymorphs and substoichiometric Li2B12H(12-x).

65 s the free energy difference between the two polymorphs and thus their relative stability.

66 literature synthesis methods to obtain pure polymorphs and validated their homogeneity and crystalli

67 film devices, separately accessing different polymorphs and varying the out-of-plane molecular orient

68 higher crystallinity (without any change in polymorph), and an increase of intermediate-sized or sma

69 e-type linkers) or identical (in the case of polymorphs), and their saturated metal centers eliminate

70 unobserved well-crystallized beta-Li2B12H12 polymorph, and a nanocrystalline gamma-Li2B12H12 polymor

71 During the lag phase, highly polydisperse, polymorph, and compact oligomers (oligomer number n = 2-

72 erous stoichiometric ratios (4:1, 1:1 in two polymorphs, and 1:2) with anomalous formation properties

73 tinctly different amyloid structures, termed polymorphs, and a given polymorph can reproduce itself b

74 Both the polymorphs appeared to melt at the same temperature.

75 oliths are comprised of the most dense CaCO3 polymorph, aragonite.

76 Core packing variations within a single polymorph are similar to what is observed for globular p

77 lly less than 1 kcal mol(-1), conformational polymorphs are capable of differing by larger values (up

78 hallenging task due to the fact that the VO2 polymorphs are closely related to each other in a thermo

79 fraction features attributed to the reported polymorphs are consistent with c-diamond containing abun

80 rongly suggest that the reported nanodiamond polymorphs are in fact twinned c-diamond.

81 Considering that different polymorphs are known to result in distinct pathologies,

82 eas, the atomic surface structures of silica polymorphs are neither well understood nor well characte

83 Three polymorphs are observed, two of which have not been prev

84 faster aggregation, but also of which fibril polymorphs are preferentially formed when the C-terminal

85 mations between the low and high temperature polymorphs are revealed to be direct solid-solid process

86 he early stages of nucleation, two different polymorphs are seen to compete.

87 see which alternative packings to the known polymorphs are thermodynamically feasible.

88 The results point to delta (delta)-Ga polymorph as a single low-temperature phase, while phase

89 culation of nucleation barriers of competing polymorphs as a function of solution chemistry, thereby

90 lanar with significant buckling and numerous polymorphs as in vacuum, whereas on more reactive Ag, Cu

91 ent occurrences and examples of disappearing polymorphs (as well as the emergence of elusive crystal

92 lline form alpha-quartz is the stable silica polymorph at ambient conditions although metastable form

93 alloy reveal that the fcc phase is a stable polymorph at high temperatures, while the hcp structure

94 We also monitor interconversion between polymorphs at 24 degrees C by solid-state NMR, showing t

95 away from each other (termed anti), while in polymorph B one methoxy group is oriented toward the oth

96 versibly undergoes endothermic transition to polymorph beta much before its melting point, which acco

97 One of the two polymorphs (beta) associated with the thermosalient phas

98 ll as transformation of various superlattice polymorphs but also lay foundation for controlled fabric

99 ty, or identify the presence of a particular polymorph, but the results are an average over the whole

100 y contrasting physical properties of the VO2 polymorphs, but that the polymorphs can be on the verge

101 st that alterations of the crystal habit and polymorph by crystal growth inhibitors may not affect cr

102 at selective growth of the elusive cubic ice polymorph by manipulation of the interfacial properties

103 ation of the related zincblende vs. wurtzite polymorphs by cation exchange of structurally distinct t

104 method to stabilize one out of two competing polymorphs by exploiting the fact that they have signifi

105 r the formation of the equilibrium marcasite polymorph (by stringent exclusion of air) or the kinetic

106 related to ITQ-22 and the recently described polymorph C of ITQ-39 zeolite.

107 e thermodynamically stable calcium carbonate polymorph, calcite.

108 vaterite, they also contain the denser CaCO3 polymorph, calcite.

109 d structures, termed polymorphs, and a given polymorph can reproduce itself by seeding.

110 ironment, our data would suggest that fibril polymorphs can be formed in different cellular compartme

111 operties of the VO2 polymorphs, but that the polymorphs can be on the verge of phase transitions when

112 levant biologically because different fibril polymorphs can have different toxicity, but there is no

113 Although polymorphs can have radically different physical propert

114 tudies have revealed a number of crystalline polymorphs (CO2-I to -VII) and an amorphous phase under

115 e taken in its design and selection to avoid polymorph coexistence.

116 cently discovered two-dimensional (2D) boron polymorphs, collectively tagged borophene, are all metal

117 tures on the crystal energy landscape may be polymorphs, components of static or dynamic disorder in

118 e small enthalpy differences among the three polymorphs confirm a closely spaced energy landscape and

119 Each polymorph contains a H2 O molecule, but differs dramatic

120 continuous compression to 2.7 GPa this cubic polymorph converts into a putative orthorhombic structur

121 -0.5% PDAGS while PDAGS/POL resulted in beta polymorphs crystal.

122 In conclusion, the polymorph deformation behaviors demonstrated by SR-muCT

123 ue to the wide range of existing crystalline polymorphs depending on sample preparation conditions.

124 ystallizes into two morphologically distinct polymorphs depending on the solvent.

125 e discovery and characterization of a second polymorph, designated Form II, which can be isolated as

126 The tetragonal polymorph determined at ambient pressure transforms to a

127 )pentacene (TIPS-pentacene), including a new polymorph discovered via in situ grazing incidence X-ray

128 oughput solid form screening experiments for polymorph discovery in the development of emerging activ

129 ned intensity ratios was studied and enabled polymorph discrimination.

130 glet fission is inhibited in the more stable polymorph due to rapid excimer formation and trapping.

131 ce and disappearance of the newly-discovered polymorph during thermal cycling.

132 med that the nanosheets of the metallic MoS2 polymorph exhibit facile electrode kinetics and low-loss

133 The two different crystalline polymorphs exhibit distinct luminescence properties with

134 Upon mechanical grinding, only one of the polymorphs exhibits great modification of its emission f

135 A transition from the 2M polymorph to the 4M polymorph (expanded unit cell due to cation ordering) in

136 of forcefield methodologies to study SiO(2) polymorphs few reviews on the subject are available in t

137 n the door to the fundamental studies of VO2 polymorphs for potential applications in advanced electr

138 Two thermally reversible polymorphs for TT were observed by XRD and grazing-incid

139 ynamic stabilities of two Abeta(1-40) fibril polymorphs for which detailed structural models are avai

140 d-state structures, i.e., the more classical polymorph Form I in which the hexyl side-chains are not

141 ovide evidence of a shift from predominantly polymorph form V in a fresh RC sample to a greater propo

142 solution (0.5 A) structures of three amyloid polymorphs formed by an 11-residue peptide.

143 y, but there is no tool for predicting which polymorph forms and under what conditions.

144 n produce nanocrystals trapped in metastable polymorph forms upon rapid solvent evaporation.

145 tion plays a crucial role in governing which polymorph forms, how it does so is poorly understood.

146 izable means to stabilize a selected crystal polymorph from a suite of competing structures.

147 high confidence (>0.7), the low-temperature polymorph from its high-temperature form.

148 The ice polymorph grown from vapor has not yet been determined.

149 The structure of the ice polymorph grown has strong impact on the morphology and

150 , while films composed primarily of a second polymorph had a very low triplet quantum yield.

151 anatase and rutile outperform the individual polymorphs has remained elusive.

152 attributed to h-, i-, m-, and n-nanodiamond polymorphs has resulted in their receiving much attentio

153 At 24 degrees C, the two polymorphs have significantly different elongation and s

154 Finally, we show that the two polymorphs have significantly different rates of fragmen

155 Compound 1 exists as two polymorphs having different mutual orientations of the t

156 mel (Hg2Cl2), monteponite (CdO), and the CdS polymorphs hawleyite and greenockite are calculated, ind

157 hat mannitol predominantly retained the beta-polymorph; however x-ray diffraction provided a novel me

158 dentified both calcite and vaterite as CaCO3 polymorphs; however, vaterite is the most probable heter

159 his study, the in situ 3D deformation of two polymorphs (I and II) of clopidogrel bisulfate (CLP) was

160 The VO2 polymorphs, i.e., VO2(A), VO2(B), VO2(M1) and VO2(R), ha

161 Furthermore, polymorph II featured an enthalpy of melting of ~3 times

162 generate millimeter-sized domains of either polymorph in a controlled and reproducible fashion.

163 ity to selectively synthesize one particular polymorph in a solid-state system having multiple crysta

164 ate precipitates as the metastable aragonite polymorph in marine environments, rather than the stable

165 d fat, and the initial formation of the beta polymorph in palm oil.

166 remarkable physics of competing spin-liquid polymorphs in a correlated electron system approaching s

167 ive first-principles resolution of competing polymorphs in molecular crystal structure prediction.

168 and large-area analogy to crystallization of polymorphs in nanoporous matrices.

169 aterial-agnostic method to identify existing polymorphs in OSC materials and to prepare the individua

170 larities and differences of the 3D versus 2D polymorphs in terms of structural, electronic and mechan

171 PMF and PDAGS/SFO crystallised in beta'+beta polymorphs in the presence of 0.4-0.5% PDAGS while PDAGS

172 o access two stable polytypes and two stable polymorphs in the TaSe(2-x)Te(x) solid solution and find

173 single-crystal perylene samples of distinct polymorphs in transmission and reflection geometries.

174 in solids with the most suitable structure (polymorph) in order to exhibit desired functionalities.

175 s observed from LiMn2O4 and four of the MnO2 polymorphs, in contrast to some literature reports with

176 ndentation studies on a series of omeprazole polymorphs, in which the proportions of the 5- and 6-met

177 halcogenides can exist in several structural polymorphs, including 2H, 1T and 1T'.

178 bly and to reveal the stability of the actin polymorphs, including in conditions encountered in extre

179 to the terminal ileum, and histology showing polymorph infiltration of the lamina propria, transmural

180 vation that under appropriate conditions the polymorph interconversion of a heterodimer proceeds thro

181 We present the first polymorph interconversion study that uses solid-state dy

182 integration of these two WS2 nanostructured polymorphs into an efficient photocatalytic hydrogen evo

183 onene in the presence of a magnetic field, a polymorph is formed in a beta-herringbone structure inst

184 g that the two-fold symmetric "agitated" (A) polymorph is more stable than the three-fold symmetric "

185 This, in turn, controls which polymorph is most thermodynamically stable, providing a

186 (WOCs), but the optimal MnOx formulation or polymorph is not clear from previous reports in the lite

187 The beta-herringbone polymorph is stable, preserves its structure under ambie

188 ies to an accuracy sufficient to distinguish polymorphs is a fundamental bottleneck in crystal struct

189 We suggest that the observed trend among polymorphs is a manifestation of polar instability pheno

190 Notably, the formation of unwanted polymorphs is a ubiquitous problem in zeolite synthesis.

191 The propagation of different fibril polymorphs is thought to be a contributing factor to phe

192 Whilst the energy difference between polymorphs is usually less than 1 kcal mol(-1), conforma

193 how solution parameters distinguish between polymorphs marks an important step toward the ab initio

194 n (0.3-0.7 confidence), suggesting that both polymorphs may be observed in a single sample at certain

195 Amyloid polymorphs may be the molecular basis of prion strains.

196 stabilities of isocompositional (i.e., true polymorph) metal-organic frameworks (MOFs).

197 of Bi-birnessite (a layered manganese oxide polymorph mixed with bismuth oxide (Bi2O3)) cathodes int

198 We focus on anatase, the TiO2 polymorph most relevant in photocatalysis and solar ener

199 In its orthorhombic T d polymorph, MoTe2 is a type-II Weyl semimetal, where the

200 Other compositions led to a mixture of polymorphs, namely Pmn21 and Pbn21.

201 ordered phase, the transition between silica polymorphs obeys a homogeneous reconstructive nucleation

202 revealed that films enriched in a particular polymorph of 1 displayed near 200% efficiency for triple

203 y enigmatic polymorph, vaterite-a metastable polymorph of CaCO3.

204 e recently discovered however, an unforeseen polymorph of coronene, which exists as an enantiotrope w

205 rolled formation of the high-pressure pyrite polymorph of CuSe2 (by exposure to air).

206 presence of epsilon-Fe2O3, a rare metastable polymorph of Fe2O3 with unique magnetic properties, in b

207 erties of beta-GeSe, a previously unreported polymorph of GeSe, with a unique crystal structure that

208 pressure of 19 GPa results in a further new polymorph of Hf3N4 that adopts an anion deficient cottun

209 The 1T ' polymorph of MoTe2 is particularly interesting because i

210 errestrial occurrence of any higher-pressure polymorph of olivine: we find ringwoodite included in a

211 A second polymorph of technetium dichloride, beta-TcCl2, has been

212 The conversion of a metastable polymorph of the caffeine-glutaric acid cocrystal into t

213 obtained: the recently reported pure silica polymorph of the chiral STW-type zeolite, HPM-1, and the

214 A new polymorph of the RE2Ru3Ge5 (RE = Pr, Sm, Dy) compounds h

215 Qc-5-Cu-sql-beta, a narrow pore polymorph of the square lattice (sql) coordination netwo

216 c control to be exercised over the resulting polymorph of these superconducting metal dichalcogenides

217 The robust growth of the brookite polymorph of TiO2, a promising photocatalyst, has been d

218 , vapor-induced transformation of the yellow polymorphs of [(C(6)H(11)NC)(2)Au(I)](AsF(6)) and [(C(6)

219 o be very pronounced at all sites and in all polymorphs of Abeta, with methyl axis motions persisting

220 n the formation of vaterite and calcite, two polymorphs of CaCO3.

221 Twenty years ago two different polymorphs of carbonic acid, alpha- and beta-H2CO3, were

222 graphy (SR-muCT) was devised to identify the polymorphs of clopidogrel bisulphate (CLP).

223 Two polymorphs of D-mannitol, alpha and delta, when grown in

224 e selection between the pyrite and marcasite polymorphs of FeS2.

225 Besides uncovering new stable polymorphs of high-pressure elements and known molecules

226 h an illustrative example of two crystalline polymorphs of HMX, an important energetic material.

227 The four polymorphs of layered gallium selenide (GaSe) crystals t

228 ell as the clear discrimination of different polymorphs of mannitol.

229 microscopy than control crystals, but no new polymorphs of MDM were identified by single crystal X-ra

230 e pathway could provide a route to other new polymorphs of metal nitrides and to nitrogen-rich phases

231 icular emphasis on the five known structural polymorphs of MnO2.

232 Creating allotropes and polymorphs of nanoparticles (NPs) has gained tremendous

233 ed the 3-fold symmetric and 2-fold symmetric polymorphs of native Abeta as well as the protofibrils o

234 he threefold symmetric and twofold symmetric polymorphs of native Abeta as well as the protofibrils o

235 ce of low-temperature bronze-phase TT- and T-polymorphs of Nb2O5 are inherent properties of the bulk

236 owing to the ability of the higher-pressure polymorphs of olivine--wadsleyite and ringwoodite--to ho

237 Polymorphs of SiO(2) and their phase transitions have lo

238 ces two nondegeneration shape-related pseudo-polymorphs of superlattice that accordingly reduce symme

239 the two VQIINK structures represent amyloid polymorphs of tau that may account for a subset of prion

240 st that protein segment structures represent polymorphs of their parent protein and that segment 19-2

241 of the band edges of the rutile and anatase polymorphs of TiO(2).

242 physical properties--the rutile and anatase polymorphs of TiO2 are a prime example.

243 ics of photo-generated charges for the three polymorphs of TiO2.

244 cs of two families of topologically distinct polymorphs of zinc zeolitic imidazolate frameworks (ZIFs

245 alyzed chromatographically, such as hydrate, polymorph, or solvate contamination.

246 main in respect to cellulose's structure and polymorphs, particularly the cellulose surface layers an

247 presses the formation of detrimental titania polymorph phases, found in films produced by annealing d

248 ule organic semiconductor, adopts metastable polymorphs possessing significantly faster charge transp

249 veloped computational approach that combines polymorph predictor with density functional theory (DFT)

250 ct the synthetic accessibility of structural polymorphs, providing a guideline to experimental synthe

251 The search for new polymorphs remains a scientific challenge, that is at th

252 st two enantiopure and three racemic crystal polymorphs, reveals that there are many more possible st

253 litatively different from that of its denser polymorph, ringwoodite, in the wet mantle.

254 on the TTF and PMDI motifs and an extensive polymorph search.

255 ric intermediates as one such handle driving polymorph selection in the diverse class of MnO2-framewo

256 This biological approach to polymorph selection is not limited to specialized protei

257 predicting the solution conditions governing polymorph selection.

258 riments and simulations dealing with crystal polymorph selection.

259 show that the polymer microgels can improve polymorph selectivity significantly.

260 at least as large as pyrite and that the two polymorphs share similar absorptivity spectra, in excell

261 d brines using seeded atomistic simulations, polymorph-specific order parameters, and elements of cla

262 From these rates, we derive polymorph-specific values for the soluble Abeta(1-40) co

263 ated by segregating the crystal structure of polymorphs, specifically to examine polymorphism in TiNi

264 exist between theoretical predictions of SnS polymorph stability and interpretations of experimental

265 CH stretching signals increased with polymorph stability, indicating the dominance of antisym

266 In this competition, the cubic polymorph takes over because the addition of new topolog

267 lded a well-ordered metal-coordinated porous polymorph that coexisted with the hydrogen-bonded struct

268 described a selection of intriguing cases of polymorphs that disappear.

269 pical photocatalyst TiO2 exists in different polymorphs, the most common forms are the anatase- and r

270 The gamma-Li2B12H12 polymorph then decomposes to a substoichiometric Li2B12H

271 ts transformation back to the more stable 2H polymorph through grain boundary pinning.

272 ition in TiO2 at 6.5 Mbar from the Fe2P-type polymorph to a ten-coordinated structure with space grou

273 uld readily be reversibly converted from one polymorph to another by appropriate processing treatment

274 A transition from the 2M polymorph to the 4M polymorph (expanded unit cell due to

275 or these cages away from their lowest-energy polymorphs to form isostructural, 3-dimensional diamondo

276 we report epitaxial stabilization of the VO2 polymorphs to synthesize high quality single crystalline

277 tallized forms (enantiopure/racemic compound/polymorphs) to both conditions and substituents provides

278 orph unperturbed, transformed into the alpha polymorph under the same conditions.

279 The less stable polymorph undergoes highly efficient singlet fission wit

280 upon heating, they transformed to the alpha polymorph upon standing at room temperature and 90% rela

281 nation of the crystal structure of these two polymorphs, using cryopowder and thin film X-ray diffrac

282 rized as the rare and structurally enigmatic polymorph, vaterite-a metastable polymorph of CaCO3.

283 dispersive spectrometry revealed that the 2M polymorph was dilute in Ce content in comparison to the

284 A densely packed hydrogen-bonded polymorph was equally observed on both surfaces.

285 sure, high-temperature (>870 degrees C) SiO2 polymorph, was detected in a drill sample of laminated m

286 igh -quality epitaxial TiO2 films of the two polymorphs we evaluate the photocatalytic activity as a

287 opological approach to distinguish different polymorphs, we are able to identify a freezing mechanism

288 r in the twofold compared with the threefold polymorph, whereas D23N protofibrils display a value sim

289 dy of face-centred-cubic (f.c.c.) Cs(3)C(60) polymorph, which can be tuned continuously through the b

290 These polymorphs, which are metastable in bulk systems, form r

291 , the polymer can exist in several different polymorphs, which are relatively close in energy.

292 tical fluctuations connote which crystalline polymorph will form.

293 lonsdaleite, a speculative hexagonal carbon polymorph with unique hardness, is expected to happen du

294 e transitions to porous, non-interpenetrated polymorphs with different topologies: diamondoid (dia-Zn

295 mechanism of the formation of various fibril polymorphs with differing cytotoxic effects is essential

296 estigated the surfaces of two insulin fibril polymorphs with flat (flat) and left-twisted (twisted) m

297 Herein, we demonstrate that doping MnOx polymorphs with gold nanoparticles (AuNPs) can result in

298 The existence of several phases (polymorphs), with varying degree of metallicity and anis

299 uperlattice is the energetically most stable polymorph, with the bct being 0.32 and the fcc 0.55 kJ/m

300 ture transforms to a distorted, orthorhombic polymorph, Zn(CN)2-II (Pbca) at ~1.50-1.58 GPa with asym