ライフサイエンスコーパス: ion pair

1 ation of methanesulfonate ion (MSA(-))H3O(+) ion pair.

2 can explore and thus its capacity to form an ion pair.

3 the p-Xy spacer to give the p-Xy(+*)-ExV(+*) ion pair.

4 = (1.5 +/- 0.2) x 10(7) s(-1), in the second ion pair.

5 the charge on Cd(2+) to form an extractable ion pair.

6 he result of loose or tight cation-dienolate ion pairs.

7 e-organization of ground-state precursors in ion pairs.

8 these metal ions (silver or copper) or metal ion pairs.

9 henomenon that occurs in novel Er(3+)-Tm(3+) ion pairs.

10 l carboxylate or phosphonate complexes or by ion pairs.

11 cts as well as specific interactions between ion pairs.

12 ed to nanoparticles made without hydrophobic ion pairs.

13 ents through different types of coordination ion pairs.

14 ptors and as extractants for both anions and ion pairs.

15 ansporters carrying HCO3- , CO3= , or NaCO3- ion pairs.

16 with chloride counterions in solvent-shared ion pairs.

17 mic behavior of multi-option solvent-exposed ion pairs.

18 ve recognition of quaternary ammonium (Q(+)) ion pairs.

19 single-ion basis, SPICA relies on analyzing ion-pairs.

20 aused by ineffective charge shielding during ion pairing.

21 ociation constant and free energy change for ion pairing.

22 rough halogen bonding, orbital pathways, and ion pairing.

23 ts, where oxygen attack is blocked by strong ion pairing.

24 The ion-paired 1:1 complexes formed between the diastereomer

25 charged) cell metabolites, which form stable ion-pairs (1+ charged) with dicationic compounds (2+ cha

26 We find that the stability of chiral ion-pairs, a prerequisite for asymmetric catalysis, is d

27 s (such as Arg, Lys, and Glu) with potential ion pairs across adjacent turns of the helix.

28 rs, systems capable of transporting ions and ion pairs across lipophilic membranes.

29 ilize a subset of configurations by swapping ion pairs across the protein-protein interface.

30 Regioselective ion pairing acts in effect as a noncovalent in situ prot

31 ace sites and those participating in contact ion pairing adopt similar orientations and are oppositel

32 ed into an organic solvent via the use of an ion pairing agent, followed by a back extraction in D2O

33 By using ion-pairing agent CR-metal complexes gained more hydroph

34 etabolites, without derivatization or use of ion-pairing agents, are lacking.

35 chloride (DDMAC) were used as complexing and ion-pairing agents, respectively.

36 formation of a thiolate-alkylammonium tight ion pair and activation of the enone electrophile by a h

37 e additional insights into the nature of the ion pair and reveal a range of important secondary inter

38 salt bridges formed between the like-charge ion pair and the C-terminal carboxyl groups.

39 its local protonation by the His-38/Asp-139 ion pair and Tyr-87 of subunit Nqo4.

40 d has the potential to probe the geometry of ion pairing and allows the reduction potentials of molec

41 water, which is enabled by a combination of ion pairing and self-assembly between lysophospholipids

42 hydrated cations showed less propensity for ion pairing and weaker affinity for the amide oxygen.

43 ther show how the coupling between conserved ion pairs and charged residues modulate the proton trans

44 oromethane indicated the presence of contact ion pairs and provided insights into their structures an

45 here how the conformational state of buried ion-pairs and water molecules control the protonation dy

46 ncovalent interactions (namely, hydrophobic, ion pairing, and metal-ligand coordination) can be graft

47 nt interactions, including hydrogen bonding, ion pairing, and pi stacking, have become mainstays of c

48 r, pi-pi interactions, chromophore twisting, ion pairing, and self-assembly are systematically addres

49 tonation then leads to relatively unsolvated ion pairs, and a majority of these collapse rapidly to t

50 ccomplished through the use of a hydrophobic ion pairing approach.

51 Instead, equally charged ion pairs are formed due to the induction of an electric

52 Ion pairs are key stabilizing interactions between oppos

53 Synthetic receptors that recognize ion pairs are potentially useful for many technical appl

54 Ion pairs are thought to be particularly important in st

55 This can produce transient ion pairs ArSR2(+)A(-) that proceed to the products ArSR

56 anomeric phosphates rather than oxocarbenium ion pairs as the reactive intermediates.

57 spectives for future investigations on using ion-pairing as an effective method for delivering other

58 The appropriate counteranion driven ion-pair-assisted hydrogen-bonding interactions are foun

59 The method depends on the formation of the ion pair associate between 3-nitrotyrosine and the optic

60 The method depends on the formation of the ion pair associate between histidine and the nano optica

61 olecular dynamics (MD) simulations prove the ion pair association in nonpolar solvents.

62 es in toluene; this change was attributed to ion pair association, stabilizing an asymmetric dipolar

63 the crystal bulk, due to the high degree of ion-pair association between PF(6)(1-) and the metalloce

64 also guide the development of more effective ion-pairing asymmetric organocatalysts.

65 sing from mobilization of the intermolecular ion pair at the protein-DNA interface.

66 )(-)/Ir(I)(+)) and organometallic/main group ion pairs (Au(I)(-)/(CPh(3)(+) or SiEt(3)(+)).

67 In the proposed work an ultrasound assisted ion pair based surfactant-enhanced dispersive liquid-liq

68 dissociative reactions involving beta-close ion pair (beta-CIP) species, the formation of the alpha-

69 Formation of an intimate ion pair between an allylic anion and the conjugate acid

70 species is the electrostatically stabilized ion pair between the TOTA(+) cation and sandwich complex

71 roscopy, which reveal substantially stronger ion pairing between OH(-) and Li(+) than with other cati

72 molecular dynamics simulations suggest that ion pairing between the ligand shell of the QD and NR4(+

73 n pathway, greatly affecting the strength of ion pairing between the oxidized photocatalyst and the b

74 ent study of the preferred structures of the ion pairs between tetrabutylammonium and 22 common inorg

75 lear (1) H, (13) C, (125) Te and (19) F NMR, ion pair binding investigations reveal sodium cation-ben

76 we combine experiment and theory to quantify ion-pair binding and to separate allostery from electros

77 C.NaX + MC, which is associated with contact ion-pair binding of NaI (alpha = 1300, DeltaGalpha = -18

78 Nanoporous organic networks which include ion pairs bound in a covalent manner are of special impo

79 hanging selectivity is not solely to enforce ion pairing, but rather that interactions between the io

80 most consistent with a model wherein the non-ion-paired C1(2+*) excited state traps the halide and pr

81 le result is that a 1:1 iodide:excited-state ion-pair, [C1(2+), I(-)](+*), underwent diffusional elec

82 o in DME afforded a mixture of the separated ion pair [(cAACMe )2 Si:(.) ](+) I(-) (1), which feature

83 ovide a good model system to investigate how ion pairs can contribute to protein stability.

84 Pyridinyl amide ion pairs carrying various electron-withdrawing substitu

85 r charge separation by the counterion in the ion paired case.

86 far-reaching consequences in stereoselective ion pair catalysis.

87 We recently demonstrated asymmetric ion pairing catalysis as an effective approach to achiev

88 Chiral anion-controlled ion-pairing catalysis was demonstrated to be a wide-rang

89 tal catalysis, phase-transfer catalysis, and ion-pairing catalysis.

90 The high catalytic activity of ion pair catalysts appears to be due to their high Lewis

91 Here, we optimized ion-pair chromatographic separation for coupling to an i

92 We report a novel ion-pair chromatography (IPC) approach for liquid chroma

93 Two chromatography columns were tested: (i) ion-pair chromatography and (ii) ion exchange chromatogr

94 Using ion-pairing chromatography and tandem mass spectrometry,

95 triplet (SSIT) with Na(+) ions and a contact-ion pair (CIP) with K(+) ion.

96 state was compatible with a great variety of ion pair combinations.

97 ted by exhaustively considering all possible ion-pair combinations.

98 ded single crystals of the solvent separated ion pair complex [Li(THF)4] [Mo2(Me)2(mu-Me){mu-HC(NDipp

99 ng, but rather that interactions between the ion paired complex and the solvent also contribute to De

100 of a counterion to a charged catalyst in an ion paired complex gives rise to strong electrostatic in

101 The ensuing charge separated radical ion paired complex is spectroscopically characterized, w

102 e salts by switching the geometry of the 1:1 ion-paired complex from receptor-separated to close-cont

103 n the fact that formation of the competitive ion-pairing complex of Sb(III) and Sb(V) with Victoria P

104 erimental and theoretical data reveal mainly ion pair complexes providing strong hydrogen bonds with

105 Viologen-tetraarylborate ion-pair complexes were prepared and investigated by ste

106 We have applied these ion-paired complexes to long-range asymmetric induction

107 ely correlated with the lipophilicity of the ion-pairing complexes formed between [Ru(bpy)2(dppz)]Cl2

108 anced by pentachlorophenol (PCP), by forming ion-pairing complexes via a passive diffusion mechanism.

109 The method utilizes dicationic ion-pairing compounds through the miniaturized multifunc

110 e shown to be chemically stable in a reduced ion pair configuration.

111 ctates charge separation distance in contact ion pairs, controls electrostatic cooperativity.

112 ations, the facilitated transport of organic ion pairs could find many applications.

113 red-shift was caused by the formation of an ion pair created by shock-triggered proton transfer from

114 n series due to the symmetry between b and y ion pairs created by collisional activation methods (or

115 However, this ion pair decomposes immediately, explaining why HMSA and

116 e and carboxylate moieties on PS via contact ion pairing, dehydrating the lipid headgroup, whereas Mg

117 of the Coulombic work terms associated with ion pairing, DeltaGw, that were directly correlated with

118 pendent of molecular weight, suggesting that ion pairing density is a limiting factor.

119 We have developed an ion pair-directed approach to controlling regioselectivi

120 lity, anionic ligands can be encapsulated by ion pair-directed supramolecular assembly, followed by c

121 ssected from interference by aggregation and ion pair dissociation.

122 The ion-pair dissociation occurs through formation of CH3(+)

123 ical cation through polarity-matching and/or ion-pairing effects.

124 t development, and how utilizing hydrophobic ion pairing enabled this promising nanoparticle formulat

125 photoredox catalysts with respect to CT and ion pairing enables their application toward the polymer

126 face distances, and this separation/weakened ion-pairing enables the activation/insertion of more ste

127 The ion-pair equilibrium constants ranged 10(4)-10(6) M(-1)

128 ometric, Keq 1 > 10(6) M(-1), and the second ion-pair equilibrium was estimated to be Keq 2 = (2.4 +/

129 ies, resulting in a reaction through tighter ion pairs even at the S(N)1 end of the general glycosyla

130 Electron-transfer reactivity of the ion-paired excited state was not simply due to it being

131 t being a stronger photooxidant than the non-ion-paired excited state.

132 ions but, by virtue of highly regioselective ion pairing, exhibit alkylation selectivities that are c

133 , we provide here experimental evidence that ion pairs exist in a SAH in murine myosin 7a (residues 8

134 d more broadly demonstrates the viability of ion-pairing for control of regiochemistry in transition-

135 novel effect between concentration dependent ion pair formation and anion stability at reducing poten

136 Ion pair formation between AZD2811 and pamoic acid as a

137 tionship is consistent with the mechanism of ion pair formation suggested by the "law of matching wat

138 Flexible ion pair formation utilizing a subset of those available

139 ind that Mg electrolytes are highly prone to ion pair formation, even at modest concentrations, for a

140 rols the stereoselectivity via anion binding/ion pair formation.

141 residues (aspartic acid and sialic acid) on ion-pair formation and by nearest-neighbor effects of hy

142 The decisive role of solvent upon ion-pair formation and of nonbonding interactions upon e

143 describe kinetic and mechanistic aspects of ion-pair formation, and we obtain NBO-based bonding indi

144 tion is almost competitive with conventional ion-pair formation.

145 The synergistic roles of the three ion pairs formed by the V(O) defect, including Cu(1+) -T

146 The intimate ion pairs formed in solution retain the reactivity of li

147 surfactants, exploiting the retention of the ion-pairs formed with Methylene Blue on the muMNPC.

148 ium sulfate solution show that the YSO(4)(+) ion pair forms a monodentate inner-sphere complex.

149 g (ISC) in the newly formed geminate radical ion pairs (GRIPs).

150 The ion-pairs had longer-lived excited states, were brighter

151 charge separation to form a contact radical ion pair, hole transport to form the Sa(-*)/Sd(+*) charg

152 xtraction and quantification of histamine by ion-pair HPLC method with post-column derivatization and

153 The amines were quantified by ion-pair HPLC, post-column derivatisation with o-phthala

154 yzed GAGs in C. elegans using reversed-phase ion-pairing HPLC, mass spectrometry and immunohistochemi

155 basis of selected complexes with respect to ion pairing, hydrogen bonding, electrostatic contributio

156 e role of soft epitaxial binding mechanisms, ion pairing, hydrogen bonds, hydrophobic interactions, a

157 to be favored over Wynberg's widely accepted ion pair-hydrogen bonding model and represent the first

158 +) to yield the DAPP(3+*)-ExBIPY(+*) radical ion pair in tau = 1.5 ps.

159 e, a water molecule is coordinated to a zinc ion pair in the active site but is imperfectly oriented

160 Measurements of the ratio of free ions and ion pairs in different electrolyte concentrations allowe

161 uorinated long chain alkyl carboxylates form ion pairs in liquid ammonia, but the equilibrium dissoci

162 These results indicate the dynamic nature of ion pairs in SAHs.

163 ngle conformer salt bridges (hydrogen-bonded ion pairs) in crystal structures, but it is unclear how

164 T vibronic calculations in toluene show that ion pairing indeed stabilizes an asymmetric dipolar stru

165 Chiral induction is attributed to ion-pairing interaction between chiral cation and enolat

166 Ion pair interactions occur through Re-Fmu---Xe bridges,

167 Ion-pair interactions between a cationic ruthenium compl

168 ude of strong pai-cation, dipole-cation, and ion-pair interactions between all intermediates in the r

169 is counteranion effect arises from Coulombic ion-pairing interactions between the counteranion and bo

170 f our ongoing investigations into the use of ion-pairing interactions in site-selective catalysis, we

171 Ion-pairing interactions lead to anion-dependent Li(+) a

172 rly on, we have argued that repulsion-driven ion-pairing interactions with anionic lipids account for

173 lf-assembly, i.e., generate repulsion-driven ion-pairing interactions.

174 ing anion binders that attenuate deleterious ion-pairing interactions.

175 ght (lambda=530 nm) excitation, producing an ion pair intermediate that can react specifically with a

176 The nature of the key chiral ion pair intermediate was elucidated by DFT calculations

177 of the nature and pathway selectivity of the ion pair intermediates in carbocation reactions must all

178 e of naphthalimide moiety results in radical ion pair intermediates that survive >10,000-fold longer

179 tropic electrostatic enhancements in the key ion pair intermediates, which influence the reaction coo

180 ysts in enantioselective reactions involving ion-pair intermediates.

181 gy change for the charge transfer to form an ion pair is DeltaG degrees (et) = -0.21 eV.

182 a neutral base catalyst in which the contact ion pair is maintained in the course of the reaction.

183 ws diene protonation only when the incipient ion pair is neither too solvent-stabilized nor too littl

184 n the neutral ligand bound form and adsorbed ion pairs is discussed.

185 The resulting ion-pair is poised for spontaneous electron transfer to

186 channel, corresponding to the CH3(+) + Cl(-) ion-pair, is accessed through n(e)3p(e) states.

187 ell, both the formation of solvent-separated ion pairs [K(+)-(DMSO)(n)-ClO(4) (-) + (DMSO)(m)-ClO(4)

188 challenge of sensitivity drop in traditional ion-pairing LC-MS/MS was for the first time overcome by

189 r variety of fragment ions and complementary ion pairs leading to more complete functional group char

190 al pyridine-based organocatalysts, these new ion pair Lewis bases display superior catalytic reactivi

191 ith dibenzo(18-crown-6) led to the separated ion pair [LNi2(H)2][K(DB18C6)] (2[K(DB18C6)]).

192 Further evidence for an ion pairing mechanism of controlled release was provided

193 thiourea compound, operating through a novel ion pairing mechanism, is an efficient organocatalyst fo

194 insulin-amino acid neutral complexes by the ion pairing mechanism.

195 igh enantioselectivity using phase transfer, ion-pair mediated reactions with a recoverable chiral qu

196 aried pH of the eluent and hydrophobicity of ion-pairing modifier to achieve good separation orthogon

197 irectly bound to the head group in a contact ion pair motif as the asymmetric CO stretch converges at

198 etal ions such as silver and copper or metal ion pairs namely, silver-copper (Janus bionanocage) and

199 cycles (MC) to be semiflexible, which allows ion pairs (NaX; X = anion) to make contact, and to be mo

200 anic acids can react with SO(3) and form the ion pair of sulfuric-carboxylic anhydride and hydronium.

201 of paramagnetic vesicles was designed using ion pairs of iron-containing surfactants.

202 anchored catalytic units (e.g., single metal ions, pairs of metal ions, or well-defined metal-ion-con

203 he red-shifted features only emerge when the ion pairs oligomerize together into larger (TOTA.[CS2BF4

204 The role of ion pairing on framework assembly structure and availabl

205 Here we investigate the effects of ion pairing on the regioselectivity of the hydroarylatio

206 n electrostatics and those based on specific ion pairing, or ion exchange.

207 irst stage is organized in precursor/product ion pairs, or MRMs, and the screening stage rapidly inte

208 ely studied, the details of the HMSA-induced ion pair particle formation at the air-water interface a

209 ional theory calculations to investigate the ion pair particle formation from HMSA and (R1)(R2)NH (fo

210 as useful leads for understanding about the ion pair particle formation from other precursors in for

211 ll fluorophores originates from antiparallel ion pair-pi attraction to their polarized excited state.

212 ifferences between antiparallel and parallel ion pair-pi interactions are identified and quantitative

213 ate; i.e., parallel rather than antiparallel ion pair-pi interactions are preferred, despite repulsio

214 To integrate anion-pi, cation-pi, and ion pair-pi interactions in catalysis, the fundamental c

215 The origin of spectral tuning by ion pair-pi interactions is unraveled with energy-minimi

216 The overall quite complete picture of ion pair-pi interactions provided by these remarkably co

217 Interactions of this type are referred to as ion pair-pi interactions.

218 de a deeper understanding of stereoselective ion-pairing polymerization through comprehensive experim

219 In contrast to the conventional picture, ion pairs prefer to bind at the upper edge of the step w

220 n is proposed to proceed through the radical ion pair [R3N(*+).CO2(*-)] generated by the photoionizat

221 cal in refluxing toluene engenders a contact ion-pair (radical cation) that leads, in the first insta

222 ce of diethylammonium (DEA) as a hydrophilic ion-pairing reagent (IP-HILIC-MS/MS).

223 I-MS), where the eluent does not contain any ion-pairing reagent (IPR).

224 Here, we developed an ion-pairing reagent free chromatography for positive ion

225 on-interaction reagents (a broader term than ion-pairing reagent), significant (up to 5-fold) and con

226 sed retention for acids without the need for ion-pairing reagents or other mobile phase additives.

227 A multitopic ion-pair receptor (2) is used that can recognize and ext

228 standing is critical for rational designs of ion-pair receptors for the manipulation of salts.

229 f two unprecedented multitopic receptors for ion-pair recognition are described.

230 by excited state participation and blocking ion pair recombination by internal nucleophilic trapping

231 mbining size exclusion chromatography (SEC), ion-pair reversed phase chromatography (IPRP), and hydro

232 and obtain both identity as well as purity, ion-pair reversed-phase chromatography (IP-RP) at high t

233 These subunits were separated by ion-pair reversed-phase high-performance liquid chromato

234 fferent harvesting times were analyzed using ion-pairing reversed-phase chromatography coupled to an

235 A simple method was developed using ion-pairing reversed-phase high-performance liquid chrom

236 nd impurity profile is commonly performed by ion-pairing reversed-phase liquid chromatography (IPRP)

237 DTA complex, and its subsequent detection by Ion-Pair-Reversed Phase-High Performance Liquid Chromato

238 The mechanism of ion-pairing, ring-opening, and catalyst deactivation hav

239 followed by the determination of furosine by ion-pair RP-HPLC-UV.

240 column and with time, we call this transient ion-pair separation (TIPS).

241 CA identified 6461 statistically significant ion-pairs, several of which putatively mapped to folic a

242 lt: the contact (CIP) and the solvent-shared ion-pair (SIP), which are entropically and enthalpically

243 Pdx in assisting the release of Asp251 from ion pairs so that it can participate in proton-coupled e

244 tion led to the formation of two consecutive ion-paired species, [Ru(2+), Br(-)](+) and [Ru(2+), 2Br(

245 ntramolecular exciplex in terms of a radical ion pair stabilized through-space.

246 te the six possible energetically degenerate ion-pair states, as suggested by electron paramagnetic r

247 and stored more free energy than did the non-ion-paired states.

248 del based on ammonium extraction and surface ion-pair substitution.

249 odecane to yield overall neutral, internally ion-paired supramolecular polymers.

250 lectrostatic control of selectivity in other ion paired systems.

251 lammonium oleate, phosphonate, and carbamate ion pairs that bind with greater affinity than primary n

252 ovides access to a new family of rotaxanated ion pairs that can likely act as anion sensors, molecula

253 es pave the way for the design of functional ion pairs that have the potential to participate in tand

254 l through zeolite windows and form transient ion pairs that participate in an oxygen (O2)-mediated Cu

255 tes in the reaction, and it is through these ion-pairs that the selective enantiofacial approach of t

256 of complementary functionality (for example, ion-pairing) that bind to one another at the oil-water i

257 In these ion pairs, the free energy of anion-Zn(2+) association i

258 yl ligand, react with B(C6F5)3 to afford the ion pairs, {[Tism(Pr(i)Benz)]M}[HB(C6F5)3] (M = Zn, Mg),

259 -phosphate dehydrogenase (GPDH) and forms an ion pair to the phosphodianion of substrate dihydroxyace

260 se proximity of K(+) ions, which are tightly ion paired to the three [8]annulenyl dianion rings.

261 t changing the solvent dielectric to enforce ion pairing to a SbF6(-) counterion changes the regiosel

262 Cooperative binding of ion pairs to receptors is crucial for the manipulation o

263 nsition states in high solvent dielectric to ion paired transition states in low solvent dielectric (

264 m hydrogen bonding, the dipole moment of the ion-pair transition state is an important factor.

265 biased computational investigation of chiral ion-pairs using parallel tempering, were performed in or

266 Formation of the first ion pair was stoichiometric, Keq 1 > 10(6) M(-1), and th

267 This high-affinity Q(+).Cl(-) ion pair was used as a template to enhance the synthetic

268 Because ion pairing was concentration-dependent, the mitigation

269 oxidation of iodide that did not occur when ion-pairing was absent.

270 Dominant ion-pair water clusters of the QCE equilibrium distribut

271 Ion pairing, where the alkyl groups of the cation shield

272 at buccal cavity pH and able to form stable ion pairs which penetrated the cells as one entity; whil

273 can exhibit distinct frequency shifts due to ion pairing, which can be explained in the framework of

274 percent range) produced the Criegee fragment ion pairs, which are indicative of C=C db position(s).

275 istry that only occurs among closely contact ion-pairs, which constitutes the rationale behind the "w

276 Moreover, diagnostic ion pair with 16 Da mass difference indicated localizati

277 , which crystallized as a solvent-separated ion pair with a [Na(18-crown-6)(THF)2 ](+) cation (where

278 of the catalyst, where the catalyst forms an ion pair with the substrate or substrate analogues, appe

279 that the van der Waals interaction promotes ion pairing with longer-chain counterions and more effec

280 osed to regulate alphaIIbbeta3 activation by ion pairing with nearby lipids, plays opposite roles in

281 ionpair-pi interactions and repulsion-driven ion pairing with self-assembled fluorophiles as innovati

282 The effects of ion pairing with the counter-cation were found to be neg

283 Li(+) ions, which form persistent contact ion pairs with [DBA](2-), slow the H(2)-addition rate to

284 nly polycations are able to form cooperative ion pairs with dinonylnaphthalenesulfonate adsorbed to t

285 lysine side-chain NH3(+) groups involved in ion pairs with DNA.

286 ding pocket of HCAII by forming inner-sphere ion pairs with the Zn(2+) cofactor.

287 f AZD2811 was increased through formation of ion pairs with these hydrophobic counterions, producing

288 g constants revealed for DSI/imine complexes ion pairs with very weak hydrogen bonds.

289 port formulation of the complexes as contact ion pairs with weak agostic Mo-CH3...Li interactions, wh

290 [3]TrTol were isolated as solvent-separated ion pairs with {Na(18-crown-6)THF(2) }(+) and {K(18-crow

291 ide ions around the bound guest arising from ion-pairing with the 16+ cage.

292 ther propose that hypervalent silicates form ion-pairs with pentanidinium and bisguanidinium as inter

293 ectra revealed that the halides formed tight ion-pairs with the amide and alcohol groups of the dea l

294 symmetry-breaking charge separation to form ion pairs within the structure, owing to the strong pai-

295 In silico modeling revealed that the ion pairs within this alpha-helix exhibit dynamic behavi

296 olutions through the association of ions and ion pairs without significant participation of larger io

297 ption spectroscopy, and the exchanged, bound-ion-pair X-type ligated nanocrystals are characterized b

298 ly stable for elemental analysis.) The bound-ion-pair X-type ligation is fully reversed to L-type n-o

299 exchange the L-type amine ligation to bound-ion-pair X-type ligation.

300 anion and the [Ca(2+).RCO(2) (-)](+) contact ion pair yield solvatochromic responses in opposite dire