ライフサイエンスコーパス: metal cation

1 access to the multiple valence states of the metal cation.

2 through their interactions with the surface metal cation.

3 metal center, resulting in reduction of the metal cation.

4 observed with increasing size of the alkali metal cation.

5 pocket, closely interacting with the alkali metal cation.

6 long the axle and forms a binding site for a metal cation.

7 her than through strong precomplexation with metal cation.

8 e from partial (NO(2)) bonding to the alkali-metal cation.

9 containing the extracted organic molecule or metal cation.

10 te hydration spheres can be defined for each metal cation.

11 retention is greatly dependent on the eluent metal cation.

12 ecular sensors for alkali and alkaline-earth metal cations.

13 days, without the need for additional alkali metal cations.

14 )(6) cubes linked by eight-coordinate alkali metal cations.

15 tor is sandwiched between the two transition metal cations.

16 etect alkali, alkaline earth, and transition-metal cations.

17 significant abundance only for the trivalent metal cations.

18 ative ABC transporter for importing divalent metal cations.

19 h a mechanism that does not require divalent metal cations.

20 rmed from organic electron donor linkers and metal cations.

21 otonation were mirrored when the XFs bind to metal cations.

22 res to yield a different response to various metal cations.

23 an be isolated in the presence of transition metal cations.

24 the sensitivity of exomer mutants to alkali metal cations.

25 ntial in array-type sensory applications for metal cations.

26 oresis in the presence of divalent group IIA metal cations.

27 sor that is activated by divalent transition metal cations.

28 the RNase H fold to coordinate two divalent metal cations.

29 s in homeostasis of a wide range of divalent metal cations.

30 e that tetraethylammonium blocks movement of metal cations.

31 ssociate in the presence of certain divalent metal cations.

32 velcraplex-like dimers held together by four metal cations.

33 entative mono-, di-, and trivalent spherical metal cations.

34 ncreased by cellular exposure to multivalent metal cations.

35 sis (CE) is a suitable separation method for metal cations.

36 meworks (CD-MOFs) in a combination of alkali-metal cations.

37 extend to their selectivity towards specific metal cations.

38 ng interconversion on binding and release of metal cations.

39 rationalized as Zintl phases with 14 alkali metal cations A(+) (A = K, Rb), two tetrahedral [Ge(4)](

40 Degradation is inhibited by divalent metal cations, a metal chelator, and the elastase inhibi

41 sitive to increased concentrations of alkali metal cations, a situation that remains unexplained by t

42 d coordination preferences of the particular metal cation acting as framework node, and (ii) the size

43 sphosphatase in response to pH and different metal cation activators.

44 achieved through the use of derivatization, metal cation adducts, and/or electrospray supercharging

45 How do metal cations affect the stability and structure of phos

46 (1)H NMR studies show that metal cations affect these molecules very differently: C

47 The metal cations also mediate further hydrolytic reactions

48 trolled mixing of salt solutions supplying a metal cation and an elemental anion (for example, S2-, S

49 proton selectivity, enabling conduction of a metal cation and even of the large organic cation guanid

50 an be modulated by varying the nature of the metal cation and solvent and allowing for careful contro

51 The alkali metal cation and various negative ions are observed.

52 ernary Zintl phase Li3NaGe2 comprises alkali-metal cations and [Ge2](4-) dumbbells.

53 r complexation of potassium over all group I metal cations and barium.

54 entrations exceeds that of complexes between metal cations and crown ethers.

55 ation of some of the alkaline earth divalent metal cations and first row transition metal cations is

56 idues in ICP8 were also required for binding metal cations and found that the E1086A D1087A mutant fo

57 s from other alkali metal and alkaline earth metal cations and has good stability and durability when

58 adjacent isotope peaks, and the addition of metal cations and ligands can also be isotopically resol

59 nd five bis-amine building blocks about five metal cations and one chloride anion to form a 160-atom-

60 These include low-valent metal cations and species that are marked by formerly un

61 rgy in complexes with smaller alkaline earth metal cations and that zwitterionic forms are preferenti

62 to external stimuli (e.g., solvent effects, metal cations), and aggregation observed in helical poly

63 mmodate more than one Li atom per transition-metal cation, and are promising candidates for high-capa

64 by the Coulomb repulsion U on the transition-metal cation, and charge-transfer insulators, where the

65 steric factors, coordination bonding to the metal cation, and hydrogen bonding with the receptor NH

66 These experiments, in which the peptide, the metal cation, and the intercalator components of the con

67 ogonal external agents: a chemical effector, metal cations, and a physical stimulus, light irradiatio

68 Addition of neutral boranes, alkali metal cations, and an Fe(2+) complex increases the N-N b

69 olution-phase analytes such as acids, bases, metal cations, and biological cofactors were detected an

70 Furthermore, these metal cations, and not the high acidity per se, are main

71 in which the mobile species is thought to be metal cations, and valence change memories, in which the

72 In this compound, the low-coordinate metal cations are coupled through pi- and delta-symmetri

73 y analysis shows that the charged transition-metal cations are directly bound to the outer pi-surface

74 Divalent metal cations are essential cofactors for many enzyme fu

75 Materials that bind metal cations are highly sought after for new devices.

76 stabilized forms of crystalline matter where metal cations are incorporated in new ways.

77 terials (TaO(x), HfO(x) and TiO(x)) the host metal cations are mobile in films of 2 nm thickness.

78 Larger metal cations are strongly activating because they can f

79 The two apparent sources of metal cations are the contact surface and the wear debri

80 to the conventional view that the transition metal cations are the dominant redox-active centres, we

81 Alkali and transition metal cations are utilized to create three distinct mole

82 nd selenides containing highly mobile alkali metal cations as charge-balancing extra-framework cation

83 spacer lengths between phthalates and alkali metal cations as counterions are designed for improved i

84 full-length wild-type beta2m with transition metal cation at the dialysis membrane interface is causa

85 Here we present the first metal-cation-based anion exchange membranes (AEMs), whic

86 These results suggest that metal-cation-based polymers hold promise as a new class

87 gment ion mass, a result consistent with the metal cations being located near the peptide termini to

88 s can help to understand the partitioning of metal cations between aqueous solutions and supercritica

89 sicle-based signaling system controlled by a metal cation binding event.

90 bled by tunable hemilability based on alkali metal cation binding with a macrocyclic "pincer-crown et

91 rate albumins and is near predicted sites of metal cation binding, but nicking by chymase does not al

92 These results identify a novel divalent metal cation-binding site in ICP8 that is required for I

93 Li(+)) led to the rise of a peak assigned to metal cation-bound amides (1645 cm(-1)) and a decrease i

94 (2+) to form the Michaelis complex where the metal cation bridges the protein and the substrate dipho

95 anes decay rapidly in the presence of alkali-metal cations, but can be maintained in the absence of p

96 Optical recognition of these two metal cations by 1 occurs in contrasting modes.

97 ion, they act as fluorescent sensors for the metal cations by demonstrating cation-triggered emission

98 The binding of alkali and alkaline earth metal cations by macrocyclic and diazamacrobicyclic poly

99 designed to adapt orthogonally to different metal cations by up- and down-regulation of specific con

100 s used to describe solutions of the divalent metal cations Ca(2+), Mg(2+), and Cu(2+).

101 ith different affinity and selectivity to 10 metal cations (Ca(2+), Mg(2+), Cd(2+), Hg(2+), Co(2+), Z

102 d that molar concentrations of well-hydrated metal cations (Ca(2+), Mg(2+), Li(+)) led to the rise of

103 Of these four metal cations, Ca(2+) has the strongest stabilizing effe

104 results suggest that the size of the alkali metal cation can control the number of Fe atoms that can

105 ordingly, geochemical factors such as pH and metal cations can modulate the selective pressure exerte

106 f gamma-cyclodextrins (gamma-CDs) and alkali metal cations, can separate a wide range of benzenoid co

107 The coordination of nitrogen to the metal cation causes the IR-forbidden N-N stretch of N2 t

108 we demonstrate that host rotaxanes can bind metal cations, change their geometries upon cation and a

109 ate, most known aqueous ion batteries employ metal cation charge carriers.

110 ant rat GlcNAc-PI de-N-acetylase by divalent metal cation chelators demonstrates that a tightly bound

111 to the choice of the bridging ligand than to metal cation choice.

112 direct lipid bilayer translocation of alkali metal cations, Cl(-), and a charged arginine side chain

113 l studies exclude a requirement for divalent metal cation cofactors and implicate one active site nuc

114 was achieved even in the presence of excess metal cation competitors.

115 A tetracycline-divalent metal cation complex is expelled from the cell in exchan

116 ained as contact ion triples with two alkali metal cations complexed between aryl rings.

117 rved with recently published diboryne/alkali metal cation complexes.

118 e used to relate the diffracted color to the metal cation concentration.

119 Metal cation concentrations can be determined visually f

120 d be used in the field to visually determine metal cation concentrations in drinking water.

121 e used as a dosimeter to sense extremely low metal cation concentrations or as a sensor material for

122 ) point to a bridging function for an alkali metal cation connecting the sulfonate anion and a substr

123 ing access to the first examples of Group 14 metal cations containing M=E multiple bonds (E = C, N).

124 erstanding of the mechanism of action of the metal cation-containing chemotherapeutic drug motexafin

125 Only very recently it was speculated that metal cations could also play an important role, but no

126 RAC)) and the magnesium-nucleotide-regulated metal cation current (MagNuM) (which is conducted by the

127 rded as metal-independent, a strong divalent metal cation dependence for Mg(2+), Ca(2+), or Mn(2+) wa

128 The previously reported ATP and divalent metal cation dependence were not observed using this sys

129 can occur during ligand stripping if exposed metal cations desorb from the surface.

130 ule into a metal-organic framework (MOF) via metal-cation-directed de novo assembly from the componen

131 aling an increase in loop flexibility as the metal cation disrupts the loop interactions with the sub

132 The transition metal cation distribution has been shown to affect catho

133 lectron microscope to confirm the transition metal cation distribution.

134 Our results suggest that the presence of the metal cation does not increase the rate of reaction, but

135 ghly selective uptake of divalent transition-metal cations (e.g., Co(2+) and Ni(2+)) over alkali-meta

136 dox reactions associated with the transition metal cations, e.g., Mn(3+/4+) in LiMn2O4, and this limi

137 li control," where the presence of an alkali metal cation enables the reduction of N2 under mild cond

138 s can be optimised by doping with transition metal cations, enabling their properties to be tuned for

139 for subunits in the closed conformation, the metal cation exchanges between two mutually exclusive bi

140 With X = trifluoromethyl, effective alkali metal cation extractions from acidic, neutral, and basic

141 -crown-6 are utilized for competitive alkali metal cation extractions from aqueous solutions into chl

142 n[Co(OH2)(6-6m)][Fe(CN)6]m.xH2O (An = alkali metal cation) family of three-dimensional Prussian blues

143 Es in their interaction with sensor targets; metal cations, fluoride and other anions, explosives, pr

144 l cofactor-containing enzyme that requires a metal cation for activity.

145 ctose-1,6-bisphosphatase requires a divalent metal cation for catalysis, Mg(2+) being its most studie

146 2+) to form, but once generated, do not need metal cation for stability.

147 Both enzymes require a divalent metal cation for their activity and have optimal catalyt

148 nosine nucleoside triphosphates and divalent metal cations for catalytic activity.

149 BpsB can use a variety of divalent metal cations for deacetylase activity and showed highes

150 ive DNA polymerases (DNAPs) require divalent metal cations for phosphodiester bond formation in the p

151 Only the larger alkali metal cations form tight ion pairs with the trianion of

152 to 67% of Fe(3+) and lesser amounts of other metal cations from aqueous solution, with interesting se

153 s shown to take place during the transfer of metal cations from nucleic acid substrates to chelating

154 ary and injecting electrolytically generated metal cations from the primary electrospray.

155 orms of the DNA bases by water molecules and metal cations has been predicted by calculating the opti

156 tion and binding of calix[4]arenes to alkali-metal cations has been studied using a dehydroxylated mo

157 n a manner conducive to encapsulating single metal cations has led to our isolating other infinite fr

158 za-15-crown-5 ether moieties, which can bind metal cations, have been synthesized.

159 ies of inorganic cations, such as the alkali metal cations, have received relatively little attention

160 he synthesis, the gadolinium cation by other metal cations having relatively long half-lives, such as

161 sum of all bond lengths around the trivalent metal cation, however, is more regular, showing an almos

162 OR selectivity are discussed in terms of the metal cation hydroxo species likely to be present in sol

163 tal phenomena when the effects of transition metal cation identity, solid-state concentration of d-el

164 er in the luminal uptake of a large divalent metal cation in proximal tubular cells.

165 be influenced by the identity of the alkali metal cation in the electrolyte; however, a satisfactory

166 The intercalation of metal cations in 2D layered materials allows for the dis

167 and the selectivity tested versus a range of metal cations in a commercial clinical diagnostic "point

168 ion as ligands for alkali and alkaline earth metal cations in a manner similar to that found with cro

169 other members containing magnetic transition-metal cations in addition to U(4+), Na4MU6F30 (M = Mn(2+

170 s of the complexes of 18-crown-6 with alkali metal cations in an ESI quadrupole ion trap mass spectro

171 with an e(g) symmetry of surface transition metal cations in an oxide.

172 ic acid-functionalized XFs, interaction with metal cations in aqueous buffered solution is guided by

173 erved after the biosensor was exposed to the metal cations in aqueous solution.

174 Exposure of metal cations in the aperture induces a self-associative

175 The bioavailability of strontium metal cations in the body and their kinetics of release

176 we find that increasing the concentration of metal cations in the buffer reduces the affinity of the

177 alculations that encapsulation of the alkali metal cations in the cavity of 1 predominantly occurs vi

178 mass spectrometry were used to quantify how metal cations in the Hofmeister series (Na(+), K(+), Li(

179 the absence or presence of different alkali metal cations in the matrix, discrete lipid classes were

180 LPS molecules are assembled with divalent metal cations in the outer leaflet of the OM to form an

181 lm, the metal-free ILs require a supplier of metal cations in the tribofilm growth.

182 ders of magnitude below the number of alkali metal cations in the zeolites but was similar to the num

183 rved D and E residues to coordinate divalent metal cations in their active sites.

184 e the solvation of alkali and alkaline-earth metal cations in water and liquid CO(2) at 300 K by comb

185 olloidal array photonic material that senses metal cations in water at low concentrations (PCCACS).

186 n vitro, but it is poorly activated by other metal cations, including calcium and zinc.

187 nds to Mn(2+) and Cd(2+) over other divalent metal cations, including Fe(2+), Co(2+), and Zn(2+).

188 he ZIP8 protein which co-transports divalent metal cations, including heavy metal cadmium, the accumu

189 ier to reaction decreases as the size of the metal cation increases among a series of group I metal p

190 nal theory calculations show that the alkali metal cations influence the distribution of products for

191 salts and consecutive reactions that convert metal cations into oxide nanoparticles embedded within t

192 allographic data, confirm that the potassium metal cation is complexed via the axial route, passing t

193 s demonstrates that a tightly bound divalent metal cation is essential for activity.

194 T-cell-mediated hypersensitivity to metal cations is common in humans.

195 alent metal cations and first row transition metal cations is considered within the quasi-chemical th

196 A sensor for metal cations is demonstrated using single and binary mi

197 energy of the RNA folded in small and large metal cations is measured by urea denaturation.

198 or sensitive magnetic resonance detection of metal cations is proposed.

199 For the transition metal cations, it is seen that the ligand field contribu

200 "symbiotic" relationship exists between the metal cation, its oxidation state, and the anion that al

201 n of the C-N bond of the auxiliary, with the metal cation (K(+)) chelated into the malonate six-membe

202 e basis of their M(x)L(y) stoichiometry (M = metal cation; L = organic ligand).

203 ule is found to encapsulate the light alkali metal cations Li(+) and Na(+) in the absence of a net ch

204 The effect of alkali metal cations (Li(+) , Na(+) , K(+) , Cs(+) ) on the non

205 ations (e.g., Co(2+) and Ni(2+)) over alkali-metal cations (Li(+) and Na(+)).

206 -positive bacteria, cardiolipin and divalent metal cations like Ca(2+) and Mg(2+) are needed.

207 hat, upon coordination of CO to the divalent metal cations lining the pores within these frameworks,

208 the receptor as contact ion-pairs, with the metal cation located in the receptor's crown ether ring

209 centration and a strong effect of the alkali metal cation M(+).

210 e it with the distribution of the transition metal cations (M) and the oxygen.

211 e recovery process involves the transport of metal cations, M(n+), metalate anions, MXx(n-), or metal

212 e diastereomers when cationized by an alkali metal cation, [M + X](+) where X = Li, Na, K, and Cs, ve

213 y have a relatively strong dependence on the metal cation mass.

214 Divalent metal cations (Me2+) and some polyamines interact with t

215 usive, preactivation complex that contains a metal cation Mg(2+) surrounded by three H(2)O/OH molecul

216 PnhA requires a divalent metal cation, Mg(2+) or Mn(2+), and prefers an alkaline

217 ve position, and suggests the possibility of metal cation migration as the 1-phosphoryl group of the

218 bonitrile, and dimethyl methylphosphonate to metal cation models representing the substrate chemical

219 d whether a similar attraction between small metal cations (Na(+) and Ca(2+)) and this residue would

220 torage, and efflux mechanisms for the alkali metal cations, Na(+) and K(+), the divalent cations, Ca(

221 EB) and the electrostatically bound divalent metal cations Ni(2+) and Cu(2+).

222 rs for the ultrasensitive detection of heavy-metal cations (notably, an unprecedented attomolar limit

223 humic acid on the binding of two chalcophile metal cations of environmental concern, Cd(2+) and Ag(+)

224 Different alkali metal cations of the methoxide bases, however, have litt

225 nce of the valence orbital occupation of the metal cation on the binding and activation propensities

226 tion of the methoxymethylidene moiety by the metal cation, only one pathway was found.

227 ltiple methods have been developed to detect metal cations, only a few offer sensitivities below 1 pM

228 her a catalytic cofactor, such as a divalent metal cation or small molecule, is present in the reacti

229 h achieve high selectivity when transporting metal cations or metal salts into a water-immiscible sol

230 n the presence of framework charge balancing metal cations or template molecular cations, lead to mat

231 que class of crystalline solids comprised of metal cations (or metal clusters) and organic ligands th

232 aptation in response to a chemical effector (metal cations) or a physical stimulus (light).

233 he aryl ring are capable of binding with the metal cation, or both.

234 free zinc and the roles that zinc and other metal cations play in biochemical pathways relevant to c

235 Even capped with an alkali metal cation, poor orbital energy matching and overlap o

236 However, we show that various metal cations (principally Fe3+/Fe2+, Ni2+, and Cr3+) re

237 processes for a wide class of ions including metal cations, protons, and hydrophilic anions.

238 heterocyclic carbene (NHC) supported coinage metal cations proved to react in the gas phase with the

239 PIB ATPases are metal cation pumps that transport metals across membrane

240 uld be enriched in the light isotopes of the metal cations relative to the solutions, consistent with

241 stricted conditions compared with that under metal cation-replete conditions.

242 -free GlcNAc-PI de-N-acetylase with divalent metal cations restores activity in the order Zn(2+) > Cu

243 htsA transcript dramatically increased under metal cation-restricted conditions compared with that un

244 centrations ranging from 0.1 to 3.0 H(2) per metal cation reveal that strongly red-shifted vibrationa

245 Alkali metal cation selectivity of the proton-activated current

246 The electrochemical, optical, and metal cation sensing properties of the triazole-tethered

247 nes for designing emission ratiometric pH or metal-cation sensors for biological applications.

248 To mobilize colloids and metal cations sequestered in the soil cores, each core w

249 Co, and Ni frameworks approaching one CO per metal cation site at 1 bar, corresponding to loadings as

250 interest due to the high density of exposed metal cation sites on the pore surface.

251 show that CO(2) binds most favorably to open metal cation sites, but with an adsorption energy that c

252 ring coordinatively unsaturated redox-active metal cation sites, Fe2(dobdc) (dobdc(4-) = 2,5-dioxido-

253 ude M-M-C angle, Coulombic repulsion, alkali metal cation size, and the character of the molecular en

254 was similar when a different intraliposomal metal cation (sodium) was used instead of calcium.

255 pd) copper or lead monolayer with a Pt-group metal cation solute is described.

256 lower recognition arm lengths, and divalent metal cation species and concentration.

257 stalline MOF, amorphous CP is nonspecific to metal cation species, therefore its composition can be t

258 inding site has high affinity for transition metal cations such as cobalt and zinc.

259 Metal cations such as Cu2+, Co2+, Ni2+, and Zn2+ bind to

260 e solvent polarity, however, attempts to use metal cations such as Na(+), K(+), Ba(2+), and Ag(+) to

261 ped NF membrane can effectively remove heavy metal cations such as Pb(2+), Cd(2+), Zn(2+), and Ni(2+)

262 ion regenerated bR is different than for the metal cations, suggesting a difference in the type of bi

263 The much expanded range of metal cation templates; the genesis and growth of anion

264 Among 10 different divalent metal cations tested, Co2+, Zn2+, Cd2+, and Pb2+ exhibit

265 dopt SB structures in complexes with smaller metal cations than for ArgGly is due to the ability of a

266 m(3) cavities containing exchangeable alkali-metal cations that can be replaced by transition-metal i

267 , what is evident from this work is that the metal cation, the counteranion, and the oxidation state

268 in the presence of Sr(2)(+) as the divalent metal cation, the formation of ternary DNA-polymerase-dN

269 On binding of metal cations, the electronic structure of the molecular

270 of the water-soluble XFs is sensitive toward metal cations, the mode of sensing action is different f

271 between the binding of the chloride ion and metal cation to a rotaxane.

272 The ability of a metal cation to screen kinetic electrostatic effects dur

273 d Li[5f(1)-4f(n)] complexes with oxo-bridged metal cations to be made for all possible 4f(n) configur

274 y, the CDs were screened against a series of metal cations to first "turn-off" the fluorescence.

275 s linked by coordination to Group IA and IIA metal cations to form metal-organic frameworks (MOFs), i

276 eobases to assess the binding preferences of metal cations to nucleic acids.

277 The binding of metal cations to TEP is compared to that of the nucleoba

278 Binding of the charged metal cations to the surface of the microcantilever sens

279 While the binding constants of the metal cations to the XFs were lower than for that for pr

280 Instead, we show that loss of Pho4 affects metal cation toxicity, accumulation, and bioavailability

281 /Metal Tolerance Protein (CDF/MTP) family of metal cation transporters in Oryza sativa.

282 Es) and bond dissociation energies (BDEs) of metal cation-triethyl phosphate complexes, M(+)(TEP), wh

283 ) and gold(I) salts in the presence of other metal cations typically found in electronic wastes.

284 conditions, and then chelation of the alkali metal cation uncovers a highly reactive species that can

285 on in response to chemical effectors (herein metal cations) via component exchange and selection.

286 The Fe(2+) nature of the added metal cation was found to be pivotal for the achievement

287 osed of a variety of monovalent and divalent metal cations, we were able to obtain a wealth of inform

288 Metal cations were abstracted from the initial analyte w

289 ng ligand that reversibly binds and releases metal cations, when respectively unprotonated and proton

290 le of performing amalgamation reactions with metal cations, which avoid unwanted side reactions and p

291 litated transfer of a smaller alkaline earth metal cation with higher hydrophilicity across the membr

292 ormation for the noncovalent interactions of metal cations with a host of ligands is provided.

293 As such, the interactions of metal cations with amides are far weaker than the analog

294 process affecting the fate of NPs containing metal cations with an affinity for sulfide.

295 ions and of cation/pi interactions of alkali metal cations with aromatic rings was conducted.

296 mic shift in emission via interaction of the metal cations with either the HOMO or the LUMO.

297 rest by choosing appropriate combinations of metal cations with liquid crystals of suitable molecular

298 report, we show that rotaxanes can transfer metal cations with picrate, perchlorate, or chloride cou

299 er can form a high affinity binding site for metal cations, would reveal changes in pore structure du

300 and (iii) the use of hydrazones in detecting metal cations (Zn(2+), Cu(2+), Hg(2+), etc.), anions (F(