ライフサイエンスコーパス: potassium ion

1 d one proton and the countertransport of one potassium ion.

2 binding between the substrate camphor and a potassium ion.

3 a significantly different position than the potassium ion.

4 e third phosphonate oxygen, which attracts a potassium ion.

5 rt of sodium ions and counter-transport of a potassium ion.

6 anines called G quartets, in the presence of potassium ions.

7 onium ions than those that contain sodium or potassium ions.

8 ization and, as a consequence, the efflux of potassium ions.

9 cell into the gastric lumen in exchange for potassium ions.

10 of L-asparagine, D-glucose, D-fructose, and potassium ions.

11 roducibility was achieved for the sensing of potassium ions.

12 oligonucleotide d(T2AG3)4 in the presence of potassium ions.

13 t pH 5.5 the predominant conductance was for potassium ions.

14 use of compensatory changes in extracellular potassium ions.

15 to retain its biological ability to bind to potassium ions.

16 interrelates cell volume and its content of potassium ions.

17 inhibited by valinomycin in the presence of potassium ions.

18 that this current was carried principally by potassium ions.

19 tranded helices in the presence of sodium or potassium ions.

20 ce environment such as a propagating wave of potassium ions.

21 n that its activation also requires external potassium ions.

22 cellular constriction and blocks the exit of potassium ions.

23 xes adopt parallel topologies, stabilized by potassium ions.

24 formance for the insertion and extraction of potassium ions.

25 of the ribosome cycle by depleting cytosolic potassium ions.

26 stabilized by physiological concentration of potassium ions.

27 cations and allows the specific capturing of potassium ions.

28 of the parallel GQ core where it aligns with potassium ions.

29 ells and their afferent neurons to show that potassium ions accumulating in the synaptic cleft modula

30 with 2.9 nS conductance for the transport of potassium ions across a phospholipid bilayer.

31 ensitive potassium (K(ATP)) channels conduct potassium ions across cell membranes and thereby couple

32 smembrane protein that transports sodium and potassium ions across cell membranes during an activity

33 from ATP hydrolysis to transport sodium and potassium ions across cell membranes in opposite directi

34 ns that regulate the selective conduction of potassium ions across cell membranes.

35 as natural molecular nanomachines, transport potassium ions across the plasma membrane of the cell.

36 ATPase asymmetrically distributes sodium and potassium ions across the plasma membrane to generate an

37 for the controlled and selective passage of potassium ions across the plasma membrane via a conserve

38 to potassium accumulation, and suggest that potassium ion action on HCN channels can modulate neurot

39 In this study, brain extracellular potassium ion activity and local cerebral blood flow wer

40 egree in hyperthermic animals, extracellular potassium ion activity showed delayed secondary elevatio

41 No secondary elevation of extracellular potassium ion activity was observed in hypothermic anima

42 he time required to refill the membrane with potassium ions after the ions are swept out of the membr

43 ser fluence on the signal intensities of the potassium ion and cationized TBP was also studied.

44 e acridine ring appears to act as a "pseudo" potassium ion and is positioned above the centre of the

45 rtially compensated for by the presence of a potassium ion and its accompanying coordination sphere.

46 and conduction behavior between ammonium and potassium ions and identify the origin of the difference

47 riven proton translocation was stimulated by potassium ions and inhibited by KF, by the pyrophosphate

48 riven proton translocation was stimulated by potassium ions and inhibited by the PP(i) analog aminome

49 olated mass-dense granules was stimulated by potassium ions and inhibited by the pyrophosphate analog

50 es host-guest chemistry targeting sodium and potassium ions and quantitative imaging of endogenous li

51 lude ATP, ADP, nonfolded protein substrates, potassium ions, and GroES (in the case of GroEL).

52 'cells' between mica sheets are filled with potassium ions, and they provide an environment in which

53 arget molecule such as ATP, HIV, ochratoxin, potassium ions, and thrombin can be developed.

54 Substantial potassium ions are constantly released into the Corti fl

55 Evidence is also presented that potassium ions are indispensable for the cross-talk betw

56 Because potassium ions are potent metabolic vasodilators in the

57 support of partial substitution by sodium or potassium ions are reproduced with the present crystals,

58 druplex structures formed in the presence of potassium ions are significantly more active than those

59 Potassium ions are vital for maintaining functionality o

60 o complexes of similar formula with an added potassium ion, [(ArO)(2)(THF)Dy](2)(mu-eta(2):eta(2)-N(2

61 requency of the neurons, or concentration of potassium ions around the ganglion neurons.

62 a phospholipid membrane to the permeation of potassium ions as compared to chloride ions: Potassium i

63 electrochemical energy storage devices using potassium-ions as charge carriers are attractive due to

64 actate) and electrolytes (such as sodium and potassium ions), as well as the skin temperature (to cal

65 r both endowing an exquisite selectivity for potassium ions, as well as for controlling the flow of i

66 Herein, a facile "potassium-ions assisted" strategy is proposed to synthes

67 s a high-symmetry molecular box containing a potassium ion at its interior.

68 Binding of potassium ion at this site rigidifies the interface and

69 ally relevant dynamic range, (2) response to potassium ions at a physiological ionic strength, and (3

70 replacement of hydrogen ions with sodium or potassium ions at multiple sites along the phosphate bac

71 al switch, leading to a loss of affinity for potassium ions at the selectivity filter and therefore t

72 pumps that expel sodium ions in exchange for potassium ions; (b) that the pump derives energy from th

73 Non-aqueous potassium-ion batteries (KIBs) represent a promising com

74 lfur-rich carbons are minimally explored for potassium-ion batteries (KIBs).

75 Potassium-ion batteries (PIBs) are interesting as one of

76 units as a significantly improved anode for potassium-ion batteries (PIBs).

77 -AC)) anode/electrolyte interface for robust potassium-ion batteries (PIBs).

78 For example, potassium-ion batteries using Graphene-P-phenyl-Graphene

79 e formation on both the anode and cathode in potassium-ion batteries.

80 s a sodium-ion battery (SIB) and 99.70% as a potassium-ion battery (PIB) for over 100 cycles.

81 e show phase-engineered VO(2) as an improved potassium-ion battery cathode; specifically, the amorpho

82 ent cations were required for activity, with potassium ions being the most effective.

83 potassium ions as compared to chloride ions: Potassium ions, being larger than sodium ions, interact

84 ecule is stabilized by the coordination of a potassium ion between the two stacked quartets.

85 Potassium ion binding stimulates turnover at physiologic

86 Finally, we observed a potassium ion bound to the cytoplasmic domain for this c

87 between loop 1 and loop 3 in the presence of potassium ions but not sodium ions.

88 le to form triple helices in the presence of potassium ions, but required low pH.

89 Elevating extracellular potassium ion by 20 mM shifted the IC(50) 6.8-fold, sugg

90 Here we demonstrate that potassium ion can act as a modulator of Kex2 activity wi

91 access similar capacities as a sodium-ion or potassium-ion cathode.

92 otentially encountering compartments high in potassium ion caused by the action of antiporters such a

93 difficult because the large ionic radius of potassium-ions causes structural distortion and instabil

94 s the bilayer: namely, upon removing ambient potassium ions, changes are seen in the NMR shifts of ca

95 idine (4-AP), a well known voltage-sensitive potassium ion channel (K(v)) blocker.

96 and signaling of an endogenous ATP-sensitive potassium ion channel (KATP) in HepG2C3A, a hepatocellul

97 genes (IFITM1, IFIT1, MXI, and GIP3), and a potassium ion channel (KCNJ1) were up-regulated in all t

98 t had a gene-targeted deletion of the Shaker potassium ion channel (Kv1.3) to elucidate how activity

99 smallest known protein to form a functional potassium ion channel and basically corresponds to the "

100 PLLP functions as a voltage-dependent potassium ion channel and is expressed primarily in kidn

101 ed property of not inhibiting the human hERG potassium ion channel at concentrations at which the FID

102 sfunction and injury; however, sodium and/or potassium ion channel dysfunction at the node of Ranvier

103 e of a complex containing a toxin bound to a potassium ion channel has been solved for the first time

104 at acts as a tetrameric, inwardly rectifying potassium ion channel in the retinal pigment epithelium

105 ons alter the expression and activity of the potassium ion channel Kir2.1, which is associated with m

106 a helianthus that inhibits the voltage-gated potassium ion channel Kv1.3, to effectively discover cri

107 n by single mechanosensory neurons, with the potassium ion channel Kv3.3 emerging as one potential co

108 w, we examine the link between voltage-gated potassium ion channel pharmacology and the biophysics of

109 molecule ligands and a nanodisc-encapsulated potassium ion channel protein, KcsA-Kv1.3.

110 nthase, GDP-D-mannose 4,6 dehydratase, and a potassium ion channel protein.

111 the human ether-a-go-go-related gene (hERG) potassium ion channel whose inhibition is associated wit

112 Using a microfluidic approach, we find that potassium ion channel-mediated electrical signaling gene

113 e metal in each case almost in line with the potassium ion channel.

114 and signaling of an endogenous ATP-sensitive potassium ion channel.

115 Human sperm cells rely on an unusual type of potassium ion channel.

116 eceptor and human ether-a-go-go-related gene potassium ion channel.

117 annels, members of the two-pore domain K(+) (potassium ion) channel family K2P, are expressed almost

118 tial molecule for the proper localization of potassium ion channels at presynaptic nerve terminals, w

119 ny details about the workings of a family of potassium ion channels called GIRK channels.

120 explain why only some receptors can activate potassium ion channels called GIRKs.

121 because of decreased availability of A-type potassium ion channels due to transcriptional (loss of c

122 o be a very high density of transient A-type potassium ion channels in dendrites of hippocampal CA1 p

123 cancer cells, and inhibit calcium-dependent potassium ion channels indicate that triphenylmethyl-con

124 on with voltage-gated sodium channels or the potassium ion channels Kv1.1 and Kv1.5 and are thus not

125 Calcium-activated potassium ion channels SK and IK (small and intermediate

126 st, although gene mutations in voltage-gated potassium ion channels that shape intrinsic membrane exc

127 utational approach for designing hydrophilic potassium ion channels while maintaining the native glob

128 KCNQ channels belong to a family of potassium ion channels with crucial roles in physiology

129 : KVLQT1, HERG, and Min K encode for cardiac potassium ion channels, and SCN5A encodes for the cardia

130 channels are voltage-gated, noninactivating potassium ion channels, and their down-regulation has be

131 the downregulation of a ubiquitous class of potassium ion channels, KCa3.1, whose main function is t

132 es KV3.1, a subunit of the KV3 voltage-gated potassium ion channels, which are major determinants of

133 voltage-dependent calcium and ATP-activated potassium ion channels.

134 5) Ipc and SLu contain specialized fast potassium ion channels.

135 x interplay between voltage-gated sodium and potassium ion channels.

136 underlies the structural basis for gating in potassium ion channels.

137 s belong to the superfamily of voltage-gated potassium ion channels.

138 re tetrameric like the related voltage-gated potassium ion channels; the order of subunits affects th

139 thium ion complexation relative to sodium or potassium ion complexation.

140 ic cages as the anionic parts and 18-crown-6/potassium ion complexes as the cationic parts.

141 o with normal Tyrode solution (extracellular potassium ion concentration 4 mmol/liter) and were studi

142 An increase of extracellular potassium ion concentration can result in neuronal hyper

143 transient variations of local extracellular potassium ion concentration in the central nervous syste

144 shifts of key residues in the filter as the potassium ion concentration is changed from 50 mM to 1 m

145 ischemia and hyperkalemia, the extracellular potassium ion concentration is elevated.

146 These biochemical data indicate that potassium ion concentration may function as a regulator

147 conductance were both dependent on external potassium ion concentration.

148 rst, there exists a longitudinal gradient of potassium ion concentration; second, outer hair cell mot

149 ts that were transitory-ie, increased plasma potassium ion concentrations in one patient and a transi

150 milarities and differences in the sodium and potassium ion condensation around DNA, we carried out a

151 alpha-subunit, largely abolished basolateral potassium ion conductance (to a degree similar to that o

152 degrees C, which is among the best reported potassium-ion conductors at ambient temperature.

153 ao directly associates with the slow outward potassium ion current (I(Ks)) and recruits both PKA and

154 activation, which increases the slow outward potassium ion current (IKS).

155 leading to dynamic modulation of sodium and potassium ion currents around neurons.

156 In contrast, the permeability to protons and potassium ions decreased sharply by two orders of magnit

157 ependent conformational shifts, and all show potassium ion dependence.

158 Potassium ions diffuse across the cell membrane in a sin

159 he triethylene glycol side chains with added potassium ions drives the formation of helical nanowires

160 r, also provides the critical exit route for potassium ions during neuronal apoptosis via p38 MAPK-de

161 hoenzyme is associated with an influx of two potassium ions; (e) that each half of the working cycle

162 n shown that known Nlrp3 stimuli converge on potassium ion efflux upstream of Nlrp3 activation, the e

163 In this sensor design, a potassium ion-exchanged BK7 glass waveguide was over-coa

164 ecular hydrogen bonding by wrapping around a potassium ion exclusively.

165 The blockers did so by cutting off potassium ion flow to a site in the pore, which then emp

166 In primary macrophages, potassium ion flux and the membrane channel pannexin 1 h

167 ancy by genetically and chemically targeting potassium ion flux.

168 (3) Substituting potassium ions for sodium slightly decreased hairpin sta

169 s a bulk redox process during which hydrated potassium ions from the alkaline electrolyte are inserte

170 embranes are ideally suited for re-capturing potassium ions from the TTS lumen during, and immediatel

171 G protein-gated inwardly rectifying potassium ion (GIRK/Kir3) channels, which mediate the po

172 exploits preexisting sodium-, chloride-, and potassium ion gradients to catalyze the thermodynamicall

173 In addition, a potassium ion has been located at the dimer interface.

174 Recently, earth-abundant potassium ions have attracted considerable interest as f

175 2 protein kinase are required for sodium and potassium ion homeostasis and salt tolerance in Arabidop

176 The data suggest that loss of potassium ion homeostasis during re-perfusion after foca

177 dicating that delayed deterioration of brain potassium ion homeostasis was not caused by temperature

178 In this work, we report 1 Ah soft-package potassium-ion hybrid supercapacitors (PIHCs), which comb

179 ation buffer (extrinsic cobalt and intrinsic potassium ions), (iii) extrinsic bromine and intrinsic p

180 pre-mRNA splicing in eukaryotes, revealed a potassium ion in the active site.

181 When presented with low concentrations of potassium ions in a buffer that mimics the composition o

182 erties of electrode materials by focusing on potassium ions in alpha-MnO2.

183 tility for simultaneously sensing sodium and potassium ions in aqueous solutions, human whole blood s

184 ports three sodium ions and then imports two potassium ions in each transport cycle.

185 ensitive and selective detection of iron and potassium ions in food and beverage samples at the point

186 d (15)N-labeled ammonium ions as a mimic for potassium ions in ion channels using solid-state NMR und

187 The potassium ions in leucite are exchangeable for rubidium

188 Unlike potassium ions in potassium channels, the sodium ions in

189 ity with experimental results for sodium and potassium ions in propylene carbonate by obtaining over

190 We elucidate the role of potassium ions in protein synthesis at the three-dimensi

191 The results for protons and potassium ions in shorter-chain lipids are consistent wi

192 e G-quartets and an uninterrupted run of six potassium ions in the central channel of the quadruplex.

193 Excess potassium ions in the Corti fluid are resorbed by suppor

194 olled by the octahedrally coordinated B-site potassium ions in the cryolite-type structure.

195 distinct from but in addition to the role of potassium ions in the ion channel at the centre of all q

196 al structure is generated by the presence of potassium ions in the precursor solution within the chan

197 al zinc phthalocyanine dimer, was formed via potassium ion induced dimerization of 4,5,4',5',4'', 5''

198 o determine the kinetics associated with the potassium ion-induced hairpin-to-G4 transition, which is

199 In contrast, the larger potassium ions interact with the major grooves.

200 es of the ExoIX:DNA complexes show that this potassium ion interacts directly with a phosphate dieste

201 te battery, which relies on the insertion of potassium ions into a copper hexacyanoferrate cathode an

202 edox intercalation of large-radius sodium or potassium ions into a solid lattice in non-aqueous elect

203 we show that necrosis releases intracellular potassium ions into the extracellular fluid of mouse and

204 inding site in the C-terminal domain where a potassium ion is directly coordinated by five main chain

205 What is more, a potassium ion is found to be able to permeate a membrane

206 Notably, the potassium ion is one of the most abundant cations in bio

207 ed, and a mechanism of activation of Kex2 by potassium ion is proposed.

208 each glutamate ion into the cell, while one potassium ion is transported out of the cell.

209 The third metal ion, most likely a potassium ion, is involved in substrate recognition thro

210 sducer in homogeneous aptasensing system for potassium ion (K(+)) assay in aqueous media.

211 f colonization are dependent on the level of potassium ion (K(+)) but independent of flagella, as ver

212 Cell surface potassium ion (K(+)) channels regulate nutrient transpor

213 oduct of arachidonic acid metabolism and the potassium ion (K(+)) have been identified as endothelium

214 An increase in protein, DNA, and potassium ion (K(+)) leakage was observed after microorg

215 xylate residues geometrically matched to the potassium ion (K(+)) sublattice on muscovite mica (001).

216 TATA spacer relative to ATAT showed that in potassium ion (K(+)) the E2 affinity of the two sequence

217 In the CNS, potassium ion (K+) buffering is dependent on the glia-sp

218 s essential for selectivity in voltage-gated potassium ion (K+) channel pores.

219 ystal structure of a mammalian Shaker family potassium ion (K+) channel.

220 Voltage-dependent potassium ion (K+) channels (Kv channels) conduct K+ ion

221 ygenase cytochrome P450cam (CYP101) requires potassium ion (K+) to drive formation of the characteris

222 Potassium ions (K(+)) are the most abundant cations in p

223 , which is demonstrated for the detection of potassium ions (K(+)).

224 y exchanging protons of hydroxyl groups with potassium ions (K) on the gamma-Al(2)O(3) support, such

225 performed at higher temperatures reveal that potassium ions (K[Formula: see text]) become mobile abov

226 However, investigation of potassium-ion (K[Formula: see text]) dynamics in materia

227 In the presence of sodium ions and no potassium ions, LJM-3064 adopts an antiparallel-stranded

228 ut also the activation of apoptosis, whereas potassium ion loss controls the progression of the cell

229 says that at physiological concentrations of potassium ions NHEIII(1) folds into two coexisting G4 DN

230 channel structure and on the position of the potassium ions occupying the selectivity filter.

231 The effects of potassium ion on the nested allostery of GroEL are due t

232 n with an elevated concentration of external potassium ions on the expression of Kv3.1 channel subuni

233 ors, the formation of adducts with sodium or potassium ions, or in case of matrix-assisted laser deso

234 Each quadruplex has five potassium ions organised in a linear channel, with squar

235 during the cardiac action potential, passing potassium ions outward to repolarize ventricular myocyte

236 ements, NMCCs are slightly more permeable to potassium ions over sodium (PK/PNa = 2.68 +/- 0.21) and

237 sent an optode-based nanosensor selective to potassium ions, owing to the addition of a pH-sensitive

238 tential, 3 muM PD-307243 increased the total potassium ions passed through hERG channels by 8.8 +/- 1

239 nly one trace sodium ion per 160 bp, and one potassium ion per 41 bp.

240 f varying flow velocity upon permeability to potassium ions (PK) of single perfused mesenteric microv

241 rying flow velocity (U) upon permeability to potassium ions (PK) of single perfused mesenteric venule

242 Our all-solid-state potassium ion polymer batteries maintain high Coulombic

243 ty of all-solid-state graphite-based polymer potassium-ion pouch cells and all-solid-state lithium-io

244 vely low laser fluence, necessary to produce potassium ions, prevents the excessive fragmentation of

245 diffusion of local extracellular calcium and potassium ions, prolonging action-potential duration and

246 se with adenosylcobalamin (coenzyme B12) and potassium ion reacts with molecular oxygen in the absenc

247 Potassium ion recycling is normal in these mutants, but

248 ed nanosensor enables the spatial mapping of potassium ion release in the hippocampus of freely movin

249 ts in rapid host membrane depolarization and potassium ion release.

250 ese quadruplex structures indicates that the potassium ions required for chair type structures intera

251 ridges one of the phosphonate oxygens with a potassium ion, resulted in insoluble protein.

252 with one or two T4 loops in the presence of potassium ions reveal that sequences with longer loops d

253 loroviruses is that they code for functional potassium ion-selective channel proteins (Kcv) that are

254 In a first example, a potassium ion-selective electrode acts as the reference

255 e electrodes, with and without an additional potassium ion-selective membrane (ISM) coating, followin

256 ed region of the protein is known to chelate potassium ions selectively.

257 Measurements with potassium ion-sensitive electrodes revealed that the net

258 of the MycG4 and MycNonG4 are similar, while potassium ion-stabilized G4-folded [MycG4 + 2K-7H](5-) a

259 crystal structure also reveals that a single potassium ion stabilizes the K loop; bound potassium is,

260 Potassium ion stimulated surfactin secretion, and the ro

261 No evidence exists for partial sodium or potassium ion substitution for solvent water molecules w

262 the porous silica template; the size of the potassium ion templates the microporosity of alpha-MnO2,

263 plasmic reticulum (ER) and more permeable to potassium ions than to calcium ions.

264 mic exchange can be restarted by addition of potassium ions that competitively bind 18-crown-6, thus

265 dedicated to regulated background leakage of potassium ions that serve to control neuronal excitabili

266 nd an outward current carried exclusively by potassium ions that was reduced by 1 mM 4-aminopyridine

267 complexed with the biologically significant potassium ion, the only conformers found to form under t

268 If it is deprived of potassium ions, the Na+/K+ pump is restricted to sodium

269 In the presence of potassium ions, the oligonucleotides that contain at lea

270 get the filter that controls the movement of potassium ions through these channels.

271 Potassium ion titration studies reveal that the site-spe

272 menal potassium, which enabled the influx of potassium ions to depolarize the VNO neurons in vivo.

273 narrowest segment of the pore, permits only potassium ions to diffuse through the pore.

274 Fluctuations allow water, then potassium ions, to reenter the pore; linker-S6 repacking

275 itive Na/K pump, and thus favored passage of potassium ions towards the lumen while preventing K+ ext

276 mission, central nervous system development, potassium ion transport, protein dephosphorylation, and

277 involved in signaling, lipid metabolism, and potassium ion transport.

278 Unexpectedly, potassium ions traversing the channel from the inside co

279 ary structure is assembled in the absence of potassium ion under the experimental conditions.

280 odium-ion battery cathodes where a few inert potassium ions uphold the layer-structured framework, wh

281 the orthoclase surface to release a surface potassium ion upon uranyl adsorption.

282 m limitation at low external pH by mediating potassium ion uptake.

283 ions and a proton, and countertransporting a potassium ion via an elevator mechanism.

284 ortant influence on the selective passage of potassium ions via the K(+) channel pore.

285 ray crystal structure containing this RNA, a potassium ion was found to be contacted by six oxygen at

286 ed by profuse surface colonies if sufficient potassium ion was present.

287 ability of phospholipid bilayers to protons, potassium ions, water, urea, and glycerol.

288 ochemical microscopy (SECM) for detection of potassium ion were fabricated.

289 Paper-strip ISEs for cadmium, silver, and potassium ions were developed with groundbreaking limits

290 ctures of complexes of FTHFS with cesium and potassium ions were examined and monovalent cation bindi

291 SK channels allow efflux of potassium ions when intracellular calcium increases and

292 y of 1 depends strongly on the proportion of potassium ions, which interfere through host-guest excha

293 llel quadruplex structure in the presence of potassium ions, while earlier NMR results in the presenc

294 e neuroendocrine homolog PC2 is inhibited by potassium ion with all substrates examined.

295 lly allows the replacement of an active site potassium ion with the epsilon-amino nitrogen.

296 nd the eta(5)-cation-pai coordination of two potassium ions with four pyrrolyl units of the ligand ca

297 However, the accommodation of potassium-ions with satisfactory capacity and cyclabilit

298 vior of Kex2 is also altered upon binding of potassium ion, with opposite effects on acylation and de

299 The diffusion coefficient of a potassium ion within the channel is also calculated usin

300 lete Escherichia coli KdpFABC complex with a potassium ion within the selectivity filter of KdpA and