ライフサイエンスコーパス: frictional

1 at it is experimentally possible to tune the frictional/adhesion properties of a CNT by controlling t

2 show that the earthquake triggered aseismic frictional afterslip on the subduction megathrust, with

3 icroscopy experiments that instead show that frictional ageing arises from the formation of interfaci

4 ependent increase of frictional strength, or frictional ageing, is one manifestation of the 'evolutio

5 tions occur between particles in addition to frictional and elastic forces.

6 by these agents and resisted by interleaflet frictional and tensile stresses.

7 ossibly in general, relies critically on the frictional anisotropy of their scales.

8 el that relates structural directionality to frictional anisotropy reveals that isotropy enhances mov

9 ffold bound to the underlying tube creates a frictional barrier for lipid diffusion; tube elongation

10 In general, along-strike variations in frictional behavior appear to persist over multiple eart

11 , here we identify three distinct regimes of frictional behavior for polyacrylic acid (PAA), polyacry

12 This direction-dependent frictional behavior is found to correlate strongly with

13 s the data, and is capable of explaining the frictional behavior of faults, across the full range of

14 utive laws are extensively used to model the frictional behavior of faults.

15 ocument a transition from unstable to stable frictional behavior with increasing slip velocity, provi

16 the USL delineates the zone of transitional frictional behavior.

17 achieved, which, in turn, affect the system frictional behavior.

18 Recently, it has been found that the frictional behaviour of two-dimensional materials exhibi

19 ly 0.001 at pressures to over 100 atm, has a frictional behaviour resembling that of articular cartil

20 This relation suggests that frictional buttressing loss, which increases spreading,

21 udes, and higher run-up; moreover, depth and frictional changes affect tide, surge, and wave characte

22 force microscopy, we compared the nanoscale frictional characteristics of atomically thin sheets of

23 ed transverse mechanical properties, surface frictional characteristics, and chemical resistance demo

24 The estimated effective frictional coefficient along the Nobeoka Thrust after th

25 Frictional coefficient calculations suggest that telomer

26 c in solution and exhibits an unusually high frictional coefficient consistent with the extended, mul

27 in solution as an asymmetric monomer with a frictional coefficient of 1.48 and a Stokes radius of 23

28 he approximation of a single, weight-average frictional coefficient of all particles, determined from

29 The frictional coefficient ratio (f/f(0)) of 1.28 calculated

30 edimentation coefficient of 3.96 Svedberg, a frictional coefficient ratio (f/f(0)) of 1.60, and a hyd

31 The frictional coefficient was calculated to be 1.7 indicati

32 ce the total mass of the particle, hence its frictional coefficient, f, directly related to its shape

33 is significantly more asymmetric than TFF3 (frictional coefficients 1.25 and 1.12, respectively, p <

34 parently decreased, whereas the ratio of the frictional coefficients is increased.

35 okes radii of 44 and 51 A, respectively, and frictional coefficients of 1.6 and 1.8, respectively).

36 Rrp1 and Rrp1-C274 are both monomers with frictional coefficients of 2.2 and 1.4, respectively.

37 ungarotoxin binding had little effect on the frictional coefficients of AChBP measured by analytical

38 e monitored by CE because differences in the frictional coefficients of the hairpin and coil forms of

39 Further analysis of the Peclet number and frictional coefficients suggested that condylar cartilag

40 to the total mass of the particles and their frictional coefficients, f.

41 tures formation are discovered under extreme frictional conditions which trigger self-organization.

42 ould enable us to formulate physically based frictional constitutive laws, rather than the current em

43 er, there are many situations where multiple frictional contact points between two surfaces are "acti

44 stiff building blocks interacting mainly by frictional contact.

45 o scattered sound pull particles into direct frictional contact.

46 Our results support the idea that frictional contacts are created between jammed particles

47 rest or shearing slowly, repulsion prevents frictional contacts from forming between particles, wher

48 tion despite seemingly ineffective isotropic frictional contacts.

49 Frictional contrast is inverted and magnified at loads a

50 onal results independently indicate that the frictional contributions of multiple, coupled but well-s

51 sional mobility in membranes, which includes frictional coupling across an interstitial water layer.

52 We furthermore find that frictional coupling between local normal stress variatio

53 in the model, we estimate the coefficient of frictional coupling between T Cell receptors or LFA-1 an

54 retrograde flow in the cortex together with frictional coupling between the filopodial and cortical

55 Ligand mobility and frictional coupling of receptors to the cytoskeleton wer

56 in-generated tension on one hand, and on the frictional coupling of the ligand-receptor complexes wit

57 raint revealed switching between two states: frictional coupling to retrograde flow and Arp2/3-depend

58 We discuss a sorting mechanism, based on frictional coupling to the actin cytoskeleton, that is c

59 form and exceeded the rate expected for pure frictional coupling with the overlying mucus layer; henc

60 ism and its dependence on the solute-solvent frictional coupling.

61 The 2 tissues also exhibited different frictional dependencies on sliding speed and normal load

62 Here we show that jamming of frictional, disk-shaped grains can be induced by the app

63 A substantial amount of frictional dissipation in the atmosphere occurs in the m

64 ing to experimental turnover, the calculated frictional dissipation of less than k(B)T per rotation i

65 A torsional viscoelastic model with frictional dissipation quantitatively reproduces the dyn

66 However, the resulting overall frictional dissipation remains small (compared to the vi

67 gle of the modulus (representing fluid-solid frictional dissipation) increased 15-fold from 55 Hz in

68 The stripes and resulting frictional domains appear on monolayer and multilayer gr

69 Here we demonstrate that these frictional domains derive not from structural features i

70 owing us to create arbitrary arrangements of frictional domains within a single flake.

71 be due to atmospheric jet streams and/or low frictional drag at the bottom of the atmosphere.

72 owth patterns are related to a time evolving frictional drag between the moving charged glass particl

73 re calculated by multiplying their estimated frictional drag coefficients with their velocities relat

74 A growing aggregate experiences frictional drag forces exerted on it by fluid moving ove

75 o an electron-hole plasma abruptly, and only frictional drag is observed.

76 Frictional drag measurements, performed inside a bespoke

77 investigated the effect of shear stress, the frictional drag of blood flowing over the cell surface,

78 an enthalpy input and surface dissipation by frictional drag, can physically connect the LMI to LI.

79 results are fundamentally important to both frictional dynamics and the dynamics of earthquakes with

80 ble and unstable failure, and is governed by frictional dynamics via the interplay of fault frictiona

81 e solvent viscosity, and dry friction, where frictional effects arise due to the interactions within

82 Frictional effects due to the chain itself, rather than

83 Frictional, electronic, and other associated phenomena a

84 ently conjugated to three unique polypeptoid frictional end labels and mixed together.

85 , we conclude that the damping is related to frictional energy dissipation during interfacial sliding

86 layer breathing modes in the layer-dependent frictional energy dissipation process of graphene layers

87 ntional triboelectric nanogenerator converts frictional energy into electricity by producing alternat

88 Some earthquakes may occur by frictional failure owing to high pore pressure that migh

89 es on the subduction interface-effectively a frictional failure response to the driving stress.

90 tile transition, where high pressures render frictional failure unlikely.

91 to 10/s, comparable to seismic velocities of frictional fault surfaces.

92 observe a transition from growth of a single frictional finger to simultaneous growth of multiple fin

93 ntinuum model based on the simple notions of frictional flow and tension-free separation describes co

94 hanics of undulatory swimming in a "granular frictional fluid" and compare the predictions to our pre

95 es that the noninertial swimming occurs in a frictional fluid.

96 show Piezo1 (Fam38a) channels as sensors of frictional force (shear stress) and determinants of vasc

97 By measuring the change in the frictional force above the protein nanopatterns as a fun

98 isposed areas, hemodynamic shear stress, the frictional force acting on the endothelial cell surface

99 ocity, the slope of the relation between the frictional force and velocity was nearly fivefold larger

100 cally, Coulomb drag has been attributed to a frictional force arising from momentum transfer whose di

101 y an applied electric field is balanced by a frictional force arising from their frequent collisions

102 vertical pipe jacking machine and soil, the frictional force between follow-up pipes and soil, and g

103 additive thrust of the jacking machine, the frictional force between vertical pipe jacking machine a

104 We also show that a reduction of the frictional force by orders of magnitude, associated with

105 Flowing blood generates a frictional force called shear stress that has major effe

106 Here, we demonstrate that frictional force characteristic of flow in the lymphatic

107 Between these regimes, the frictional force decreases by an order of magnitude and

108 Endothelial cells transduce the frictional force from blood flow (fluid shear stress) in

109 Decreased cell stiffness and cell-surface frictional force leads to an increase in transportabilit

110 ntact line friction, which characterizes the frictional force on the contact line.

111 odynamic stimulus of fluid shear stress, the frictional force produced by blood flow.

112 Flowing blood exerts a frictional force, fluid shear stress (FSS), on the endot

113 Circulating blood generates frictional forces (shear stress) on the walls of blood v

114 sponse to the entropic, electrophoretic, and frictional forces acting on it.

115 The endothelium senses these frictional forces and, in response, releases various vas

116 erefore be crucial in three dimensions where frictional forces are likely to be modest.

117 undled F-actin filaments, we show that these frictional forces are unexpectedly large, scale logarith

118 e limits on the static and dynamic interwall frictional forces between nested nanotubes.

119 ar relationship between trajectory shape and frictional forces between pili and the surface: strong p

120 These frictional forces critically regulate vascular function.

121 ted to shear, the system shows extremely low frictional forces dependent on the salinity of the mediu

122 ogically relevant range, which confirms that frictional forces dominate during sand-swimming by the s

123 l relative to those from solvent, so solvent frictional forces drive the folding process.

124 n this model will enable detailed studies of frictional forces in more complex biomimetic systems, pr

125 ht energy into mechanical energy to overcome frictional forces in the environment, providing insight

126 We find that frictional forces increase nonlinearly with MAP velocity

127 Shear stress caused by the frictional forces of a fluid moving over a cell monolaye

128 try conditions are met at the same time: the frictional forces of each body against the surface must

129 Frictional forces originating from random solvent and pr

130 ty-dependent proteasome gating kinetics that frictional forces originating from random solvent motion

131 The adhesion, cohesion and frictional forces present during the removal of dry mud

132 ce (TIRF) microscopy to directly measure the frictional forces produced by the mitotic crosslinking p

133 f the transduction channels produce internal frictional forces that can dominate viscous drag on the

134 h enough to outrun adaptation, we found that frictional forces were maximal within the narrow region

135 nally described using only gravitational and frictional forces within a granular material.

136 attracting water to the surface, overcoming frictional forces, and reducing surface tension.

137 ntly by solvent-derived rather than internal frictional forces.

138 ions, the concerted motions result in higher frictional forces.

139 stress variations, and identify a predictive frictional formulation that captures this effect.

140 ea, the nature of the jamming transition for frictional grains is less clear.

141 red static structure and chaotic dynamics of frictional granular matter has occupied scientists for c

142 Frictional healing is one such property, which describes

143 mineralogical criteria to quantify coseismic frictional heat in natural faults at temperatures lower

144 f a few tens of centimeters in production of frictional heat.

145 welts begin to form when the average rate of frictional heating exceeds 0.1-0.4 MW m(-2), while the a

146 In UHPLC, frictional heating from the eluent flowing through the c

147 at of crystallization as well as viscous and frictional heating in areas of strain localization.

148 tures and mineralogical changes to constrain frictional heating on the fault plane.

149 Further, frictional heating results in axial thermal gradients of

150 in line with local current contrasts, while frictional imaging indicates qualitative variations in t

151 recognized as being the result of stick-slip frictional instabilities.

152 e conditions for the emergence of stick-slip frictional instability-the mechanism for earthquakes-by

153 Evidently, information about frictional interaction is embedded within neural mechani

154 mework accounting for the material-dependent frictional interaction of water molecules, ions and the

155 impulse due to each bounce we find that the frictional interaction with the surface is strongly enha

156 Frictional interactions are considered at the interface

157 s illustrated significant dissipation due to frictional interactions at the exit.

158 Because sieve tube structure defines frictional interactions in the tube system, the presence

159 ous object appears within a context implying frictional interactions with another rotating object; vi

160 entation plays a key role in determining the frictional interactions, thus offering the chance to spe

161 between the membrane and substrate dominates frictional interactions, which enables determination of

162 We analyzed the frictional interface between necessary cost containment

163 the population of microjunctions forming the frictional interface between two solids is central to fi

164 Sliding at a quasi-statically loaded frictional interface can occur via macroscopic slip even

165 e within kinetochores and a separate passive frictional interface located at least 20 nanometers away

166 We introduce a microscopic model of a frictional interface that includes asperity-level disord

167 Frictional interfaces are found in systems ranging from

168 in both active, force-producing and passive, frictional interfaces with microtubules whose relative l

169 ating in the hydrolysis direction under high frictional loads and low ATP concentrations, a coordinat

170 h R712G and F750L were less able to overcome frictional loads measured in the loaded motility assay.

171 At low frictional loads, the 120 degrees steps alternate with t

172 cumulate tectonic stress more easily in long frictional locking periods, large earthquakes are theref

173 hat thermal losses are more significant than frictional losses at lower Reynolds number.

174 However, frictional losses dominate over thermal losses at higher

175 nherent inefficiencies are attributed to (i) frictional losses required to overcome hydraulic resista

176 trajectory of each particle, and the entire frictional, many-degrees-of-freedom system, organizes it

177 ion of force chains in both frictionless and frictional materials from the undeformed structure, with

178 ased attachment force 600-fold above that of frictional measurements of the material.

179 ol the stability of mineral phases and hence frictional-mechanical processes associated with earthqua

180 This generalizable frictional mechanism may act in concert with other hypot

181 gradual transition between the tunneling and frictional mechanisms.

182 nts of the scallop theorem can be escaped in frictional media if two asymmetry conditions are met at

183 ecorded by the presence of pristine quenched frictional melt.

184 These data are consistent with a frictional model of TCR coupling to cytoskeletal flow, w

185 ide motion using a rate- and state-dependent frictional model that incorporates a nonlocal stress bal

186 aults and tremor, contrary to predictions of frictional models of tremor.

187 Frictional motion between contacting bodies is governed

188 accelerating rupture fronts at the onset of frictional motion by performing high-temporal-resolution

189 o-called bimaterial interfaces, the onset of frictional motion is often mediated by highly localized

190 s elucidated by a mathematical model for the frictional motion of the colony interface, with friction

191 The most general type of frictional motion takes place when the two bodies are no

192 tion delivered via a spontaneously migrating frictional nasojejunal tube, or to continued nasogastric

193 rgranular repulsion and its influence on the frictional nature of granular contacts is central to thi

194 rve at the elbow results in a tractional and frictional neuritis with classical symptoms of periphera

195 icant pumping energy is required to overcome frictional pressure losses in the spacer-filled feed cha

196 s to the conductive Pt-coated tip during the frictional process.

197 er not only the evolution of plate interface frictional processes but also the dynamic boundary condi

198 thquake motion and the most general types of frictional processes.

199 However, the frictional properties and conditions that sustain these

200 ee-energy profiles are quasiharmonic and the frictional properties correspond to highly overdamped mo

201 We find that lithologic contrasts in frictional properties do not necessarily determine the l

202 The frictional properties of individual carbon nanotubes (CN

203 on apparatus to elucidate the effects of the frictional properties of objects during initial contact.

204 Laboratory studies of frictional properties of rocks at slip velocities approa

205 ms behind these remain enigmatic because the frictional properties of shallow subduction zones, usual

206 ical approaches do not provide access to the frictional properties of suspensions.

207 We propose that the structure and frictional properties of the overthrusting plate control

208 ur with injury that appear to compromise the frictional properties of the tissue.

209 d cutaneous afferent encoding of skin-object frictional properties on the basis of three findings.

210 with a model in which spatial variations in frictional properties on the plate interface control tre

211 ches are confounded by a cell's size and its frictional properties with the channel wall.

212 -grain contacts and the resulting changes in frictional properties, as empirically described by rate-

213 ictional dynamics via the interplay of fault frictional properties, effective normal stress and the e

214 subduction earthquakes are influenced by the frictional properties, structure, and composition of the

215 o a wide range of object shapes, weights and frictional properties, to provide optimal and secure han

216 etermined by cell stiffness and cell-surface frictional property, and can be used to probe tumor hete

217 From this, the frictional ratio (f/f(0)) of sCR1 was calculated to be 2

218 Compact Lp(a), i.e., native Lp(a), had a frictional ratio (f/f0) of 1.2 that was independent of a

219 hat (i) Pol32 is a rod-shaped protein with a frictional ratio f/f(0) = 2.22; (ii) any complex contain

220 a value of 2.0 S at zero concentration and a frictional ratio f/f(o) of 1.2 for both allotypes.

221 34 +/- 0.17 S, which for M = 110 000 gives a frictional ratio f/f0 = 3.2 +/- 0.3.

222 The approximation of a single weight-average frictional ratio is favored by several experimental fact

223 bound detergent and lipids and a reasonable frictional ratio of 1.5, corresponding to a Stokes radiu

224 showed that it is highly asymmetric, with a frictional ratio of 1.66.

225 , a sedimentation coefficent of 6.5 S, and a frictional ratio of 3.01, the sec180e protein appears to

226 incorporated in the form of a weight-average frictional ratio of all species, or in the form of prior

227 ation coefficient of s(20,w)(0)=3.58 S and a frictional ratio of f/f(0)=1.62 indicate an asymmetric s

228 mates of the partial specific volume and the frictional ratio of the macromolecules are used to calcu

229 studied the influence of the weight-average frictional ratio on the quality of the fit, and found th

230 lations based on the classical translational frictional ratio showed that the protein was highly asym

231 tokes radius, sedimentation coefficient, and frictional ratio, and assayed their stability to trypsin

232 istribution of sedimentation coefficient and frictional ratio, c(s,f(r)), which is representative of

233 MALDI mass spectrometry (44.2 kDa) yielded a frictional ratio, f/f(0), of 1.47.

234 coefficient, s(o)(20,w), of 2.71 S yielded a frictional ratio, f/f(0), of 1.65.

235 sedimentation coefficient of 8.5 S and has a frictional ratio, f/f(omicron), of 1.35; these data are

236 he native and activated polysaccharide, with frictional ratio, intrinsic viscosity, sedimentation con

237 ct meniscus position, and the weight-average frictional ratio.

238 Frictional ratios calculated from D(z) and molecular wei

239 ii, low sedimentation coefficients, and high frictional ratios, all characteristic of asymmetry which

240 This new approach to frictional reduction has broad implications for manufact

241 g between local normal stress variations and frictional resistance actually promotes the interface se

242 hBP, the toxin molecules should increase the frictional resistance and thereby alter the hydrodynamic

243 in normal stress, demonstrate that the shear frictional resistance exhibits a significant lag in resp

244 ndings reveal how nonmotor MAPs can generate frictional resistance in dynamic cytoskeletal networks v

245 nding earthquake hazard since laws governing frictional resistance of faults are vital ingredients in

246 A range of insights into the frictional resistance of faults-one of the main factors

247 The frictional resistance on a fault during slip controls ea

248 Temporal variations of the frictional resistance on subduction-zone plate boundary

249 on is facilitated by along-fault low dynamic frictional resistance, which is controlled by a number o

250 ssional events had suggested the presence of frictional resistance.

251 ions drifting in a buffer gas have a minimal frictional resisting force, whereas the resisting force

252 proteins can also be regenerated, and their frictional response is reproducible through several malt

253 A low density of weakly frictional rollers congregates near the sharp leading ed

254 l observations of the interaction of dynamic frictional ruptures with fault (double-) bends of differ

255 local contact temperature, and reducing its frictional shear strength.

256 p-protein interaction, therefore causing the frictional signal to change.

257 edge whereas a denser rear comprises highly frictional sliders.

258 ture with depth precludes brittle failure or frictional sliding beyond a few tens of kilometers, yet

259 heating, just as is sometimes the case with frictional sliding in the crust.

260 he overall commensurability) also evolves in frictional sliding on graphene.

261 hesion and wetting to substrate and ultralow frictional sliding structures.

262 zones, indicating the potential for unstable frictional sliding within natural lawsonite layers.

263 ides (very smooth fault surfaces polished by frictional sliding).

264 To model frictional sliding, we introduce a nonlinear viscosity t

265 channel between two parallel planes to model frictional sliding.

266 Frictional slip between bodies having different elastic

267 prograde tectonic strain is accommodated by frictional slip on many preexisting faults.

268 constitutive law captures oriented mesoscale frictional slip, microcrack opening, and splitting with

269 ches quickly build force and fail (so-called frictional slippage), whereas at low substrate stiffness

270 he substrate appreciably (a second regime of frictional slippage).

271 he model predicts two distinct regimes: (i) "frictional slippage," with fast retrograde flow and low

272 ovides a good representation of the evolving frictional state during stick-slips.

273 In the tactile sense such constraints are frictional stick-slip events, occurring, amongst other v

274 Earthquakes normally occur as frictional stick-slip instabilities, resulting in catast

275 contacts causing a large reduction in fault frictional strength (i.e., flash weakening).

276 lts are difficult to observe directly, their frictional strength can be estimated indirectly by const

277 This discovery is significant, as the frictional strength of talc at elevated temperatures is

278 This time-dependent increase of frictional strength, or frictional ageing, is one manife

279 re weak when compared to laboratory-measured frictional strength.

280 ns of layer-dependent friction and transient frictional strengthening on graphene.

281 r numerical models, which simulate different frictional strengths in the transform and fracture zone,

282 However, the frictional strengths of serpentine minerals are too high

283 Here we show that the frictional stress between two sliding surfaces bearing s

284 For small strain rates there the frictional stress is essentially independent of the mate

285 mic efficiency eta was 0.036 and the minimum frictional stress was 550 bars.

286 cilitated by high-temperature fluids, reduce frictional stresses and promote failure.

287 s an empirical approach to the behavior of a frictional surface.

288 d: iliopsoas bursitis (IPB), iliotibial band frictional syndrome (ITBFS), and Achilles tendinopathy.

289 lume fraction of the particles approaches in frictional systems the random loose packing limit, varph

290 ulses in realistic rate- and state-dependent frictional systems.

291 Frictional tests with a migrating contact area were perf

292 ogy, provide direct evidence that the recent frictional transition scenario applies in real suspensio

293 or nuclear and cell mechanics that shows how frictional transmission of stress from the moving cell b

294 perficial bullous lesions following incident frictional trauma to the skin.

295 superficial bullous lesions that result from frictional trauma to the skin.

296 -defined nanometer pores and can exhibit low frictional water flow inside them, making their properti

297 The results imply that the frictional weakening in granular materials and the inter

298 Inspired by frictional weakening mechanisms thought to operate durin

299 The frictional work directly extracted from particles' veloc

300 force hypotheses in grains arise from local frictional yielding, revealing a novel invariance within