ライフサイエンスコーパス: electroosmotic

1 ich a hydrodynamic pressure is added to both electroosmotic and electrophoretic contributions is prop

2 hin a sample well generated through combined electroosmotic and hydrodynamic flows.

3 ent, where the net flow becomes a mixture of electroosmotic and pressure-driven flows.

4 e have observed in sinusoidally oscillating, electroosmotic channel flows.

5 The electroosmotic component was distinguished from the diff

6 carbon nanotube demonstrates oscillations in electroosmotic current through its interior at specific

7 r capillary isoelectric focusing (CIEF) with electroosmotic displacement.

8 single fitting parameter for each molecule (electroosmotic drag coefficient).

9 certain advantages over designs that utilize electroosmotic driven flow has been fabricated and teste

10 closer to the high pH (cathode) end when the electroosmotic effect dominates.

11 smotic permeability for water as well as its electroosmotic effect, and characterized the permeabilit

12 constants for betaCD were consistent with an electroosmotic effect.

13 this pipettor consists of a microfabricated electroosmotic (EO) flow pump, a polyacrylamide groundin

14 The surface chemistry and electroosmotic (EO) mobility of polymer microchannels la

15 We also compare the performance of our electroosmotic (EO)-driven HPLC with Agilent 1200 HPLC;

16 uidic chips using soft lithography, unstable electroosmotic flow (EOF) and cathodic drift are signifi

17 (ethylene glycol) diacrylate (PEGDA) induced electroosmotic flow (EOF) and increased the separation t

18 Measurements of electroosmotic flow (EOF) and separation efficiency duri

19 ative standard deviation (RSD) values of the electroosmotic flow (EOF) and the first peak ((R)-(+)-BN

20 the DNA translocation relies on the induced electroosmotic flow (EOF) and the particle-nanopore elec

21 electrophoretic velocity is balanced by the electroosmotic flow (EOF) and where the sample concentra

22 port an experimental investigation of radial electroosmotic flow (EOF) as an effective means for cont

23 acking and can produce a strong and constant electroosmotic flow (EOF) at low pH.

24 at pH 9.0 for the two analytes, although the electroosmotic flow (EOF) at pH 9.0 provides sufficient

25 high as 5000 fold with an original symmetric electroosmotic flow (EOF) condition.

26 Electroosmotic flow (EOF) for adsorbent and exchanger pa

27 The annular electroosmotic flow (EOF) generated by the PEI coating a

28 It is shown that electroosmotic flow (EOF) has much more influence on the

29 e have successfully measured the risetime of electroosmotic flow (EOF) in a microcapillary using rece

30 The electroosmotic flow (EOF) in a poly(dimethylsiloxane) (P

31 eby providing the relatively strong reversed electroosmotic flow (EOF) in capillary electrochromatogr

32 e the extent of intraparticle, or perfusive, electroosmotic flow (EOF) in CEC capillaries packed with

33 k is an analytical and experimental study of electroosmotic flow (EOF) in cylindrical capillaries wit

34 In comparison to glass microchannels, electroosmotic flow (EOF) in native PC channels is low a

35 pillary surface responsible for the reversed electroosmotic flow (EOF) in the columns during CEC oper

36 Electroosmotic flow (EOF) is commonly utilized in microf

37 Electroosmotic flow (EOF) is induced as the driving forc

38 A reduction in the electroosmotic flow (EOF) is often desirable in glass mi

39 Electroosmotic flow (EOF) is used to enhance the deliver

40 was performed with the use of thiourea as an electroosmotic flow (EOF) marker.

41 with DNA electrophoresis where a substantial electroosmotic flow (EOF) may be detrimental to the sepa

42 Electroosmotic flow (EOF) measurements in modified and u

43 Electroosmotic flow (EOF) or electro-osmosis has been sh

44 n the electric field eliminated the need for electroosmotic flow (EOF) or hydrodynamic flow for dropl

45 A flow-based interface that uses electroosmotic flow (EOF) provides continuous injection

46 strate here a new electrokinetic phenomenon, Electroosmotic flow (EOF) rectification, in synthetic me

47 Native TPE microchannels support electroosmotic flow (EOF) toward the cathode, with an av

48 responding opposition of electrophoretic and electroosmotic flow (EOF) velocities.

49 Electroosmotic flow (EOF) was driven across the CNMs by

50 Electroosmotic flow (EOF) was monitored in glass microfl

51 e channels to control analyte adsorption and electroosmotic flow (EOF) while maintaining separation e

52 fords monolithic CEC columns that facilitate electroosmotic flow (EOF) while preventing ionized analy

53 dynamic coating method that provided stable electroosmotic flow (EOF) with respect to pH.

54 Electroosmotic flow (EOF) with two or more fluids is oft

55 Electroosmotic flow (EOF) within channels was used to de

56 ethanol (NPE), which is only transported by electroosmotic flow (EOF), a positive correlation betwee

57 e microchannel walls enables reversal of the electroosmotic flow (EOF), enabling cations, instead of

58 reason for this asymmetry, we identified the electroosmotic flow (EOF), which is the water transport

59 An electroosmotic flow (EOF)-based pump, integrated with a

60 ization methods: chemical, hydrodynamic, and electroosmotic flow (EOF)-driven mobilization.

61 e to suppress analyte adsorption and control electroosmotic flow (EOF).

62 and the ability to control the magnitude of electroosmotic flow (EOF).

63 reagents were transported into the system by electroosmotic flow (EOF).

64 Flow through these filters was driven by electroosmotic flow (EOF).

65 d and overcome by the shear force induced by electroosmotic flow (EOF, i.e. the water flow over surfa

66 urfactants on PDMS was studied by performing electroosmotic flow (microEOF) measurements.

67 ppears to require a dilute polymer solution, electroosmotic flow (preferably countercurrent to the di

68 eld acting on their charge and (ii) the bulk electroosmotic flow (which is directed toward the cathod

69 Injecting neutral analytes by electroosmotic flow affords a 10-fold or greater decreas

70 rt of charged species in pressure-driven and electroosmotic flow along nanoscale channels having an e

71 On the negative side, nonuniform electroosmotic flow along the capillary or microfluidic

72 rescent molecules through the tissue by both electroosmotic flow and electrophoresis.

73 ects of increasing the sample plug length on electroosmotic flow and electrophoretic current agreed q

74 uded poly(vinylpyrrolidone) to eliminate the electroosmotic flow and mannitol to enhance the separati

75 The perfusate was continuously sampled by electroosmotic flow and mixed online with Cy5-labeled in

76 ied surfaces exhibited substantially reduced electroosmotic flow and nonspecific adsorption of protei

77 st time the independent optimization of both electroosmotic flow and retention properties in CEC colu

78 ns describing the generation of vorticity in electroosmotic flow are derived using a wall-local, stre

79 ic surfactants used here for the reversal of electroosmotic flow are didodecyldimethylammonium hydrox

80 capillary-to-capillary reproducibilities of electroosmotic flow are very good with relative standard

81 lish a pH gradient as well as to control the electroosmotic flow arising from the use of uncoated fus

82 rthermore, application of UV modification to electroosmotic flow around a 90 degrees turn results in

83 needed to flush the PPMs since they support electroosmotic flow as cast.

84 (2) The electroosmotic flow at reversed polarity (negative) mode

85 capillary, with neutral analytes injected by electroosmotic flow at up to 1 order of magnitude faster

86 Electroosmotic flow between interdigitated electrodes wa

87 with an electric field prediction, to obtain electroosmotic flow bulk fluid velocity measurements.

88 Analytes are injected at the velocity of electroosmotic flow but are retained at the interface of

89 chain and mixed PEG-silane coatings suppress electroosmotic flow by more than 90%, whereas the short-

90 ty of the polymers, and the direction of the electroosmotic flow can be altered without degrading chr

91 n optical force was applied to an orthogonal electroosmotic flow carrying a hydrodynamically pinched,

92 Electroosmotic flow changes on the order of 100% (1.6-3.

93 ography, neutral analytes can be injected by electroosmotic flow directly from a sample matrix into a

94 cal description of band broadening caused by electroosmotic flow dispersion (EOFD) and the experiment

95 Changes in electroosmotic flow during sample stacking and separatio

96 Electroosmotic flow dynamics during a field-amplified sa

97 the temperature increase in the presence of electroosmotic flow for a 100-, 200-, and 300-microm cha

98 ngle zone (peak) which is separated from the electroosmotic flow front and any other interfering mole

99 Electroosmotic flow further modulates the local field gr

100 Electroosmotic flow has been monitored in a capillary us

101 The CE separation was performed at near-zero electroosmotic flow in a capillary with neutral, hydroph

102 onitoring technique for measuring an average electroosmotic flow in a microfluidic device with a cros

103 ocity, and late-time solute distribution for electroosmotic flow in a tube and channel at zeta potent

104 It is found that the electroosmotic flow in aminated PMMA microchannels is re

105 oducts or related species by the reversal of electroosmotic flow in capillary electrophoresis (CE).

106 formamide, which has been shown to diminish electroosmotic flow in glass microchannels by over 5 ord

107 trated by our laboratory to nearly eliminate electroosmotic flow in glass microchannels was employed

108 redictability and constancy over time of the electroosmotic flow in microchannels is an important con

109 Protocols are described for control of the electroosmotic flow in microfabricated channels in Vivak

110 ar, this study investigates perturbations of electroosmotic flow in open capillaries that are due to

111 We have characterized electroosmotic flow in plastic microchannels using video

112 In this paper, the Taylor dispersion due to electroosmotic flow in such a partially coated capillary

113 In addition, electroosmotic flow in the device plays a critical role

114 orescence detector, to determine the rate of electroosmotic flow in the entire capillary.

115 dsorption of the virus capsids, and suppress electroosmotic flow in the pore.

116 ith peptides and proteins and to reverse the electroosmotic flow in the separation channel.

117 ld resulting from the iontophoretic current, electroosmotic flow in the tissue would carry solutes co

118 The electroosmotic flow increased from 4.1 x 10(-4) to 6.8 x

119 Rectification of ion current and electroosmotic flow increased with increasing electric f

120 obtained for peak height and peak area with electroosmotic flow injection is comparable to that obta

121 netic stacking of neutral analytes utilizing electroosmotic flow is demonstrated with discontinuous (

122 Under these conditions, in which electroosmotic flow is directed toward the injection end

123 Electroosmotic flow is fluid motion driven by an electri

124 sfer across the pore/solution interface when electroosmotic flow is operative.

125 Simple dimensional arguments show that electroosmotic flow is potentially as important as diffu

126 Suppression of electroosmotic flow is proposed as a means of reducing m

127 of separation selectivity and the normalized electroosmotic flow mobility.

128 The impact of these compounds on the electroosmotic flow of solvent into the skin, which is i

129 Manipulation of the electroosmotic flow opens the door to hydrodynamic modul

130 Ultrathin pnc-Si membranes enable high electroosmotic flow per unit voltage.

131 A mismatch in the electroosmotic flow rate at this junction led to the gen

132 icrostructure of the rough microchannel, the electroosmotic flow rate decreases with the Debye length

133 The electroosmotic flow rate increases with the roughness nu

134 e number density of roughness are given, the electroosmotic flow rate is enhanced by the increase of

135 tection, while simultaneously monitoring the electroosmotic flow rate.

136 ionally in such systems due to a mismatch in electroosmotic flow rates or hydrostatic pressure differ

137 oxidation or silanization, can influence the electroosmotic flow rates through pnc-Si membranes by al

138 cation by current-voltage (I-V) response and electroosmotic flow rectification by transport of a zwit

139 not only ion current rectification but also electroosmotic flow rectification.

140 In all cases, however, electroosmotic flow resulted in significantly less sampl

141 We propose that this is due to electroosmotic flow separation, a high-salt electrokinet

142 In the symmetric case for the electroosmotic flow so induced, the velocity field and t

143 ion exchange beads, which produce convergent electroosmotic flow streams.

144 ingle-column ITP configuration together with electroosmotic flow suppression and high leading ion con

145 of dynamic wall coatings for the purpose of electroosmotic flow suppression can have a significant i

146 otypic hippocampal slice cultures (OHSCs) by electroosmotic flow through an 11 cm (length) x 50 mum (

147 surface charge, we can control the amount of electroosmotic flow through the nanopore, which affects

148 s excellent self-coating property can reduce electroosmotic flow to a negligible level.

149 Moreover, electroosmotic flow toward the detector decreased in met

150 The experimental inquiry focuses on electroosmotic flow under a uniform applied field in cap

151 ontrol (FEFC) modifies the zeta potential of electroosmotic flow using a transverse electric field ap

152 be easily modified to control inertness and electroosmotic flow using a variety of chemical procedur

153 fonic acid monomer on the efficiency and the electroosmotic flow velocity of the capillary columns co

154 provides a mechanism for fine tuning of the electroosmotic flow velocity when 2-acrylamido-2-methyl-

155 xhibits a lower ion conductance and a higher electroosmotic flow velocity, whereas, in the tip-to-bas

156 nel has a higher ion conductance and a lower electroosmotic flow velocity.

157 o cause a small, but definite, change in the electroosmotic flow velocity.

158 ermined by several parameters, including the electroosmotic flow velocity.

159 interplay of concentration polarization and electroosmotic flow with respect to the observed concent

160 By using high concentrations of buffer, electroosmotic flow within uncoated channels of a microf

161 e control, adjustment, and modulation of the electroosmotic flow without using wall coatings or chang

162 or zone narrowing to occur assume negligible electroosmotic flow, a relatively constant electric fiel

163 the solvent used to cast the polymer enables electroosmotic flow, allowing the separation channel to

164 Electroosmotic flow, and the resulting transport of neur

165 f the applied potential and the direction of electroosmotic flow, either anions or cations can be con

166 expensive, and, in addition to reversing the electroosmotic flow, provides excellent separation effic

167 pillary electrophoretic buffer modulated the electroosmotic flow, resulting in optimum separation of

168 Our model yields analytical expressions for electroosmotic flow, species transport velocity, streamw

169 horesis channel and a portion is injected by electroosmotic flow, termed the "discrete injector".

170 ause of the simplicity and rapid response of electroosmotic flow, this technique may be useful for ne

171 ularly the high voltage used for driving the electroosmotic flow, upon the background current, potent

172 ged and neutral glycans, such as influencing electroosmotic flow, using complexation/interaction base

173 f 0.5% v/v, which effectively suppresses the electroosmotic flow, was added to the background electro

174 As the effect occurs within an oscillating electroosmotic flow, we refer to it here as an electroki

175 nique in which the mobile phase is driven by electroosmotic flow, while the sorbent layer is pressuri

176 The mobile phase is driven by electroosmotic flow, while the system is pressurized in

177 cies are driven along them in the absence of electroosmotic flow.

178 e relative standard deviations (RSDs) of the electroosmotic flow.

179 d mixing of two confluent streams undergoing electroosmotic flow.

180 d the outlet end) by hydrodynamic flow or by electroosmotic flow.

181 for species transport by electrophoresis or electroosmotic flow.

182 fficiency from the flow profile generated by electroosmotic flow.

183 ODS columns are characterized by switchable electroosmotic flow.

184 sity, and self-coating property for reducing electroosmotic flow.

185 of a 100-pL mixer for liquids transported by electroosmotic flow.

186 olarities and the capabilities of a reversed electroosmotic flow.

187 mobilities of free protein, free ligand, and electroosmotic flow.

188 ethylammonium hydroxide, for reversal of the electroosmotic flow.

189 ly affected the elution times by varying the electroosmotic flow.

190 rophoresced increasingly rapidly against the electroosmotic flow.

191 with a neutral coating exhibiting near-zero electroosmotic flow.

192 a second via a low-voltage pulse that drives electroosmotic flow.

193 The use of acidic ES suppressed the electroosmotic flow; allowing the electrokinetic movemen

194 chored template under pressure (33 nL/s) and electroosmotic flows (11.3 nL/s) were favorable, requiri

195 between the electric and velocity fields in electroosmotic flows are discussed.

196 flows, the bulk flow region of time periodic electroosmotic flows are rotational when the diffusion l

197 sional, time-independent, and time-dependent electroosmotic flows driven by a uniform electric field

198 In contrast, electroosmotic flows generally yield identical speeds fo

199 Analytical solutions of time periodic electroosmotic flows in two-dimensional straight channel

200 us drag forces on deflecting microtubules in electroosmotic flows were studied theoretically and expe

201 t is also shown that, unlike the steady pure electroosmotic flows, the bulk flow region of time perio

202 ssure on the velocity and vorticity field of electroosmotic flows.

203 mide (CTAB) is shown to provide reproducible electroosmotic flows.

204 ence plays an important role in microchannel electroosmotic flows.

205 the presence of H2O2 is capable of inducing electroosmotic fluid flow that can be switched on and of

206 charges in the extracellular space to create electroosmotic fluid flow within the extracellular space

207 The electroosmotic fluid velocity is used to analyze late-ti

208 t first reported by Anderson and Idol on the electroosmotic flux in capillaries with axial variations

209 position of streptavidin in electrophoretic-electroosmotic focusing (EEF) experiments was monitored

210 An electrophoretic-electroosmotic focusing (EEF) method was developed and u

211 fluid velocity through the pore at constant electroosmotic force is determined by fitting the theore

212 rge at salt concentrations below 5 mM, where electroosmotic forces are more significant.

213 EEF uses opposing electrophoretic and electroosmotic forces to focus and separate proteins and

214 proteins, responding to electrophoretic and electroosmotic forces, have long been proposed as the se

215 ions are due to the sum of iontophoretic and electroosmotic forces.

216 ated in the capillary by electrophoretic and electroosmotic forces.

217 Electroosmotic manipulation of fluids was demonstrated u

218 Initial electroosmotic mobilities (EOM) of (8.3+/-0.2)x10(-4) cm

219 rits are formed in open capillaries, and the electroosmotic mobilities are calculated and compared to

220 The experimental electroosmotic mobilities compare quantitatively to mobi

221 confinement within the channels, the average electroosmotic mobilities decrease.

222 We measured electroosmotic mobilities in NaCl solutions from 0.1 to

223 We report the measurement of electroosmotic mobilities in nanofluidic channels with r

224 At kappah approximately 4, the electroosmotic mobilities in the 27, 54, and 108 nm chan

225 he Smoluchowski equation accurately predicts electroosmotic mobilities in the nanochannels.

226 icrochannels with grafted surfaces exhibited electroosmotic mobilities intermediate to those displaye

227 The differential electroosmotic mobilities of the enzyme and substrate, L

228 ied with PEMs, they demonstrate very similar electroosmotic mobilities.

229 d separations and exhibited little change in electroosmotic mobility between pH 2.8 and pH 7.5.

230 site-binding model, we demonstrated that the electroosmotic mobility could be controlled qualitativel

231 a large concentration of sodium ions reduces electroosmotic mobility due to more efficient shielding

232 measurement of the separation efficiency and electroosmotic mobility for multiple microfluidic device

233 e experimental observations of (i) a maximum electroosmotic mobility for the first scenario as the pH

234 (ii) the inversion and maximum value of the electroosmotic mobility for the second scenario when the

235 ed with 0.5 wt % undecylenic acid (UDA), the electroosmotic mobility in a modified PDMS channel rises

236 We report on measurements of electroosmotic mobility in polymer microchannels and sil

237 hannel (kappah = 1) is 5-fold lower than the electroosmotic mobility in the 2.5 mum channel (kappah =

238 nels exhibit maxima, and at 0.1 mM NaCl, the electroosmotic mobility in the 27 nm channel (kappah = 1

239 s for controlling the flow direction and the electroosmotic mobility in the channels.

240 ciprocal of the solvent viscosity, while the electroosmotic mobility increases in a linear fashion wi

241 lution rely on either streaming potential or electroosmotic mobility measurement techniques, both of

242 l with a dynamic coating of DDM generates an electroosmotic mobility of (5.01 +/- 0.09) x 10(-4) cm(2

243 ow (EOF) toward the cathode, with an average electroosmotic mobility of 1.3 x 10(-4) cm(2) V(-1) s(-1

244 laries treated with this coating produced an electroosmotic mobility of 2.8 +/- 0.2 x 10(-6) cm(2).V(

245 Unlike the electroosmotic mobility of oxidized PDMS, the electroosm

246 lectroosmotic mobility of oxidized PDMS, the electroosmotic mobility of the grafted surfaces remained

247 ctrophoresis, it is important to control the electroosmotic mobility of the running buffer and the fa

248 The very low electroosmotic mobility results in a 200 min separation

249 The general equation to predict the electroosmotic mobility suggested here also indicates th

250 The electroosmotic mobility was stable in response to air ex

251 uggested here also indicates the increase of electroosmotic mobility with temperature.

252 It is shown that the electroosmotic mobility, induced by an electric field ap

253 gate species transport by electrophoretic or electroosmotic motion in the curved geometry of a two-di

254 e have developed an approach that integrates electroosmotic perfusion of tissue with a substrate-cont

255 s and define three new concepts based on the electroosmotic potential distribution.

256 t, wall shear stress, and vorticity in mixed electroosmotic/pressure driven flows are presented for t

257 sign allows for the production of a fritless electroosmotic pump and easy replacement of the ion exch

258 Moreover, the electroosmotic pump can generate high flow rates over an

259 Here, we construct an open-channel on-chip electroosmotic pump capable of generating pressures up t

260 An electroosmotic pump is incorporated at the end of the el

261 A fritless electroosmotic pump with reduced pH dependence has been

262 d with polyacrylamide for the elimination of electroosmotic pumping and protein adsorption onto the c

263 enerated by computer controlled differential electroosmotic pumping of aqueous and organic phase, res

264 ed device for the generation and delivery by electroosmotic pumping of solvent gradients at nanoliter

265 A multichannel architecture that uses electroosmotic pumping principles provides the necessary

266 The micropump, based on electroosmotic pumping principles, has a multiple open-c

267 The different electroosmotic pumping rates formed by local zeta potent

268 w splitting, capillary electrophoresis (CE), electroosmotic pumping, and electrospray ionization (ESI

269 y in a wide range of applications, including electroosmotic pumping, liquid chromatographic separatio

270 er capillary and samples were transferred by electroosmotic pumping.

271 We have developed electroosmotic pumps (EOPs) fabricated from 15-nm-thick

272 Electroosmotic pumps are arguably the simplest of all pu

273 ificant advantage over previously fabricated electroosmotic pumps, which typically have a more limite

274 ing chromatography columns, micromixers, and electroosmotic pumps.

275 Electroosmotic sampling is a potentially powerful method

276 approach is to define conditions under which electroosmotic sampling minimizes damage to the tissue,

277 ltz-Smoluchowski velocity is the appropriate electroosmotic slip condition even for high-frequency ex

278 The effect of this electroosmotic solvent flow on the binding of a neutral

279 meabilization sites, and electrophoretic and electroosmotic transport by the electric pulses.

280 Electroosmotic transport of ascorbate occurred at a negl

281 t short distances (<100 mum), advection from electroosmotic transport of the barrel solution may sign

282 gh nanofunnels, which suggest the asymmetric electroosmotic transport stems from an induced pressure

283 dimensional simulations of ion transport and electroosmotic transport through nanofunnels, which sugg

284 The efficiency of electroosmotic transport was also shown to be a function

285 gher than the run buffer conductivities, the electroosmotic velocities are such that there is less fl

286 near the IDZ when their electrophoretic and electroosmotic velocities balance.

287 These results suggest that electroosmotic velocities of solute molecules are determ

288 The electroosmotic velocity of the neutral molecule, acetami

289 order unity, based on channel depth and rms electroosmotic velocity.

290 First, we measure the electroosmotic wall mobility of a borosilicate rectangul