ライフサイエンスコーパス: polydispersity

1 r that had thousands of inimer units and low polydispersity.

2 characterize their molecular weight (MW) and polydispersity.

3 nodisperse samples and increases with sample polydispersity.

4 rature and additive concentration minimizing polydispersity.

5 high degree of molecular uniformity and low polydispersity.

6 n of giant macrotricyclic polymers of narrow polydispersity.

7 creased anticoagulant activity and decreased polydispersity.

8 were used to simulate a polymer with a wide polydispersity.

9 ellar nanostructure is tolerant to molecular polydispersity.

10 lapping protein charge state pattern and PEG polydispersity.

11 ce with a fine control over the size and the polydispersity.

12 l permeation chromatography and had very low polydispersities.

13 erized independent of each other and had low polydispersities.

14 th well-controlled molecular weights and low polydispersities.

15 with controlled molecular weights and narrow polydispersities.

16 olymers having similar molecular weights and polydispersities.

17 curate and precise at intermediate and large polydispersities.

18 esulting in sub-100nm nanoparticles with low polydispersities.

19 g and have high molecular weights and narrow polydispersities.

20 orated them into 100nm liposomes of a narrow polydispersity (0.25-1.3) composed of polymer-lipid/hydr

21 rary of polymer diacyl chain lipids with low polydispersity (1.04-1.09), similar polymer molecular we

22 ne) (PDMS) of molecular mass 2400 Da and low polydispersity (1.09) were prepared using the Langmuir-B

23 with a narrow molecular weight distribution (polydispersity = 1.10).

24 often introduces nontrivial molecular weight polydispersities, a type of chain length heterogeneity,

25 om being used in fields like medicine, where polydispersity affects biological activity.

26 were shown to decrease vesicle diameter and polydispersity, allowing gram-scale fabrication of monod

27 sis catalyst (H2IMes)(pyr)2(Cl)2Ru=CHPh, low polydispersity amphiphilic block copolymers were prepare

28 P products are of different compositions and polydispersities, analysis especially of the size distri

29 ylate (MMA) yields PE-graft-PMMA with narrow polydispersities and increasing PMMA content at longer r

30 ded a series of water-soluble BASPs with low polydispersities and molecular weights that increased ge

31 e-based hyperbranched polymers with both low polydispersity and a high degree of branching (DB) using

32 ized to determine the effect of initial AgNP polydispersity and aggregation state on AgNP sulfidation

33 Emulsion properties, such as size, polydispersity and charge, were assessed for each surfac

34 ulfonates with high molecular weight, narrow polydispersity and excellent functional group tolerance.

35 ether methacrylate) [poly(OEGMA)], with low polydispersity and high yield, solely from the N-terminu

36 olymers and polymer mixtures into the narrow polydispersity and homogeneous chemical composition frac

37 n, hydrodynamic radius, intrinsic viscosity, polydispersity and Mark-Houwink parameters.

38 digestion, crystallinity, molecular weight, polydispersity and molecular order was observed in the o

39 acromonomers, resulting in polymers with low polydispersity and near quantitative incorporation of pe

40 s in concentration, which result from finite polydispersity and other effects.

41 Polydispersity and particle size measurements showed tha

42 However, polydispersity and poor solubility in both aqueous and n

43 roach led to a significant reduction in size polydispersity and revealed previously unknown structura

44 r issue, which is strongly influenced by the polydispersity and the degree of polymerisation of tanni

45 (a proxy for aromaticity), molecular weight, polydispersity and the fraction of DOM removed from solu

46 monomodal stereoblock polyolefins of narrow polydispersity and tunable block length has been demonst

47 conducted under the minimal possible outlet polydispersity and when steric effects are minimized.

48 nge to characterise tannin fractions of high polydispersity and/or containing polymers of high molecu

49 velocity dispersion (a significant cause of polydispersity) and greatly reduced susceptibility to re

50 olar mass (molecular weight), heterogeneity (polydispersity), and conformational flexibility in solut

51 ble molecular weight, molecular homogeneity (polydispersity), and size.

52 s, as reflected by molecular weight control, polydispersities, and end group analysis, but the diiron

53 i.atm ethylene.h)), narrow product copolymer polydispersities, and substantial amounts of long-chain

54 ation: control over molecular weight, narrow polydispersity, and ability to define polymer end groups

55 he advantage of low molecular weight, narrow polydispersity, and amorphous, low Tg, poly(alpha-olefin

56 excellent control over the molecular weight, polydispersity, and chain ends of the resulting polymers

57 PLGA-b-PEG NPs with desirable size, polydispersity, and drug loading were used for the conju

58 ssues relating to the high molecular weight, polydispersity, and high degree of posttranslational mod

59 d in the electrical density profile, in size polydispersity, and in the degree of flexibility of the

60 isentangle the influence of regioregularity, polydispersity, and molecular weight.

61 ation kinetics, polymer molecular weight and polydispersity, and polymer nanoparticle size are discus

62 their complexity in saccharide composition, polydispersity, and sequence heterogeneity.

63 llize or age depending on the degree of size polydispersity, and show that a small number of particle

64 acid (HA), further increased their size and polydispersity, and slowed sedimentation.

65 r of oil on water, as well as the peak size, polydispersity, and stability of the resulting emulsions

66 reaction kinetics, leading to relatively low polydispersities ( approximately 1.5), chain lengths tha

67 .atm ethylene.h)) and narrow product polymer polydispersities are observed.

68 with well-defined molecular weights and low polydispersities are synthesized via chain-growth Suzuki

69 Effects of drag-tag polydispersity are not observed, despite the inherent po

70 emulsions with peak radii around 100 nm and polydispersities around 10%.

71 he stoichiometric ratio of ylide/borane, and polydispersities as low as 1.01-1.03 have been realized.

72 tein SP-B decreases the mean domain size and polydispersity as shown by fluorescence microscopy.

73 s with well-controlled molecular weights and polydispersities (as low as 1.02).

74 eric species and an increase in its size and polydispersity at elevated temperatures.

75 = poly(1,4-butadiene)) comprised of a broad polydispersity B block (M(w)/M(n) = 1.73-2.00) flanked b

76 azenes with controlled molecular weights and polydispersities, but also novel branched architectures

77 the aggregate size distributions showed low polydispersity by light scattering.

78 defect density, mean lateral dimension, and polydispersity) by imaging and surface techniques, on on

79 resolved, and the average molecular mass and polydispersities can be calculated for the polymers exam

80 Contrary to intuition, polydispersity causes little precision loss for low aver

81 The micrometer size, polydispersity, complex fabrication process and nonbioco

82 r organized structures owing to entropic and polydispersity considerations.

83 e features-mobile surface entities and shape polydispersity-consistently assemble quasicrystals and/o

84 pha-olefins to produce polyolefins of narrow polydispersity (D < or = 1.05) when "activated" through

85 to several other material systems plagued by polydispersity, defects, and grain boundary recombinatio

86 rein we report the rational synthesis of low-polydispersity diblock copolymer vesicles in concentrate

87 In very small nanoparticles, particle size polydispersity (due to the presence of larger particles)

88 m grow substantially in size (to 6-7 nm) and polydispersity during just 15 min of electrolysis at -0.

89 etween the flow paths to avoid the so-called polydispersity effect (dispersion arising from the inevi

90 tions from element to element (also known as polydispersity) even if these elements are designed to b

91 e introduce a new estimator of particle size polydispersity for dynamic light scattering data, which

92 by recycling SEC in order to isolate narrow polydispersity fractions.

93 ding low nanoparticle number concentrations, polydispersity from aggregation and/or dissolution, and

94 companying gradual increase in the CSPG size polydispersity, from 16 weeks until 38 weeks.

95 ecular weight determination of polymers with polydispersities greater than 1.2 is an ongoing challeng

96 fect of background environment, nanoparticle polydispersity (>10%), and variation in nanoparticle pla

97 Our study suggests that size polydispersity has a promising potential to engineer def

98 Their polydispersity has hindered high-resolution structure an

99 However, their transient nature and polydispersity have made it difficult to identify their

100 als were synthesized in good yields with low polydispersities in the range of 1.05-1.15, and their ch

101 unit exchange reactions, and to characterize polydispersity in both protein assemblies and lipoprotei

102 Nanotube cost, polydispersity in nanotube type, and limitations in proc

103 Polydispersity in polymers hinders fundamental understan

104 ing spheroids suffer from low throughput and polydispersity in size, and fail to supplement cues from

105 d acid spacing in these ionomers reduces the polydispersity in the aggregate correlation length and y

106 ntertwined roles of monomer architecture and polydispersity in the phase behavior of diblock copolyme

107 determinants of oligomer size, symmetry, and polydispersity in the small heat shock protein super fam

108 aminoglycans (GAGs) exhibit a high degree of polydispersity in their composition, chain length, sulfa

109 The role of partition volume variability, or polydispersity, in digital polymerase chain reaction met

110 d little with surface pressure, although the polydispersity increased significantly.

111 ar weight, while exhibiting an extremely low polydispersity index (1.02, relative to linear polystyre

112 However, Fsar's polydispersity index (1.12) and fucose content (34.50%)

113 average molar mass (26850 g mol(-1)) and low polydispersity index (1.6), which in many respects are b

114 nd to be in the range 163.4-234nm with a low polydispersity index (PDI<0.5); furthermore, the zeta-po

115 The response factors were: mean size, polydispersity index (PDI) and entrapment efficiency (EE

116 , crosslinking did not change particle size, polydispersity index (PDI) and morphology, but it reduce

117 verage molecular weight (Mn) of 24,000 and a polydispersity index (PDI) of 1.17.

118 erization, with high conversion (97%), and a polydispersity index (PDI) of 1.25.

119 average molecular weight (Mw) of 1.6 kDa and polydispersity index (PDI) of 1.6, as determined by gel

120 olloidal particles with small particle size, polydispersity index (PDI), conductivity and higher zeta

121 racterized by considering the particle size, polydispersity index (PDI), zeta potential, encapsulatio

122 C by monitoring changes in their mean size, polydispersity index and encapsulation efficiency (EE) v

123 Polymers with a narrow polydispersity index and excellent molecular-weight cont

124 spersions were characterized for their size, polydispersity index and zeta potential.

125 h and narrow molecular weight distributions (polydispersity index approximately 1.10), including poly

126 c diameters tunable from 50 up to 300 nm and polydispersity index around 0.1 in most cases.

127 w tertiary structure may affect the apparent polydispersity index calculated from the TOF-SIMS spectr

128 For the Mn = 970 P2VP, the Mn and polydispersity index determined from the mass spectromet

129 A polydispersity index of 0.1 is suggested as a suitable l

130 214nm, with a mean diameter of 90.3nm and a polydispersity index of 0.25.

131 e hydrodynamic diameter of 246.2+/-10.9nm, a polydispersity index of 0.26+/-0.01, and a zeta-potentia

132 h a mean particle size of 174.6+/-17.3nm and polydispersity index of 0.26+/-0.02.

133 es and had a M(n) value of 8900 g/mol with a polydispersity index of 1.2 as determined by gel permeat

134 at 130 degrees C to give polystyrene with a polydispersity index of 1.3.

135 conjugate was confirmed by (1)H NMR, and the polydispersity index was determined by gel permeation ch

136 icle sizes (72.88-142.85nm) and narrow PSDs (polydispersity index<0.40).

137 le size of ~190-220 nm was achieved with low polydispersity index, which confirms the quality of the

138 f alpha-tocopherol (alpha-TOC) on mean size, polydispersity index, zeta potential and entrapment effi

139 e characterized and compared for their size, polydispersity index, Zeta potential, loading rate, enca

140 0) phospholipids and characterized for size, polydispersity index, zeta potential, morphology, loadin

141 of the molar mass averages as well as sample polydispersity index.

142 n temperature range is proportional to their polydispersity index.

143 d small vesicles (mean diameter=175+/-3nmand polydispersity index=0.28+/-0.02) with the highest entra

144 i cross-coupling polymerization, with narrow polydispersity indexes (PDIs) of 1.13-1.35 being observe

145 ompare the accuracy and precision of the new polydispersity indicator to polydispersity measurements

146 phiNte) values ranging from 0.29 to 0.71 and polydispersity indices </=1.00017.

147 molecular weight distributions, with narrow polydispersity indices (</=1.2).

148 Polydispersity indices (M(w)/M(n)) of the polymers with

149 al to conversion throughout the reaction and polydispersity indices (PDIs) are narrow, consistent wit

150 cal experimental copolymer preparations have polydispersity indices (PDIs) ranging from 1.01 to 1.10.

151 s single-site catalysis, as evidenced by low polydispersity indices, and good molecular weight contro

152 have used these polymers, which have narrow polydispersity indices, to impart water solubility and c

153 fford polylactide in good yields with narrow polydispersity indices, without the need for time-consum

154 ene copolymers and block copolymers with low polydispersity indices.

155 of Ag-NP products with different degrees of polydispersities is presented.

156 This work demonstrates that polydispersity is an important metric in quantitatively

157 dicate that having an independent measure of polydispersity is essential for understanding the optica

158 Polydispersity is identified as a major parameter determ

159 Size polydispersity is shown numerically here to be an essent

160 The effect of polydispersity is to reduce the fine scattering features

161 Size polydispersity is usually an inevitable feature of a lar

162 dia with narrow length distributions (length polydispersities <1.10).

163 (w) up to ~400,000 g mol(-1)), extremely low polydispersity (</=1.08) daughter polymers.

164 roscopy and relatively low diblock copolymer polydispersities (M(w)/M(n) < 1.25) as judged by GPC.

165 een M(n) = 5000 and 30,000 g/mol with narrow polydispersities (M(w)/M(n) < or = 1.31).

166 amide) with controlled molecular weight, low polydispersity (M(w)/M(n) < 1.2), and a high proportion

167 ision of the new polydispersity indicator to polydispersity measurements from standard cumulant and m

168 cattering (SEC/D-MALS), molar mass averages, polydispersities, molar mass distributions, and the dist

169 olycarbazole polymer PCDTBT into three lower polydispersity molecular weight fractions.

170 ymerization), synthetic polymers with narrow polydispersity (Mw/Mn < 1.3) could be obtained at room t

171 rticles and for spherical particles with the polydispersity observed in transmission electron microsc

172 tions are living, as evidenced by the narrow polydispersities of the isolated polymers in addition to

173 umber average molecular weight of 4420 and a polydispersity of 1.47.

174 was also performed on a PMMA standard with a polydispersity of 1.7.

175 ised over the chemical composition, size and polydispersity of colloidal particles, and many methods

176 ing partial least squares for data analysis, polydispersity of complex PEG samples is determined at a

177 Molecular mass, polydispersity of homomers, and the rate of subunit exch

178 Size polydispersity of immature human immunodeficiency virus

179 We demonstrate that the polydispersity of nanoparticle populations is an importa

180 in controlling the molecular weight and the polydispersity of polymer.

181 The polydispersity of relatively short-chain poly(ethylene o

182 In the present work, the polydispersity of several tannin fractions is investigat

183 y the insolubility of mature elastin and the polydispersity of solubilized elastin.

184 Furthermore, analysis of the polydispersity of the calculated diffusion values indica

185 ved efficient initiation (>/=50%) and narrow polydispersity of the extended product when fluorescentl

186 however greatly increased the molar mass and polydispersity of the final conjugates.

187 otein increases both the mean length and the polydispersity of the length distribution, factors which

188 urement variation, much of which arises from polydispersity of the microspheres ( approximately 2%).

189 t can differ from spherical particles in the polydispersity of the population selected.

190 aneously measure the hydrodynamic radius and polydispersity of the protein.

191 a single atomic bond length (limited by the polydispersity of the quantum dot building blocks), but

192 rsity are not observed, despite the inherent polydispersity of the wormlike micelles.

193 ing to a true representation of the mean and polydispersity of these quantities for a population.

194 rop size coefficient of variation (CV; i.e., polydispersity) of about 10%.

195 stigate here topological defects due to size polydispersity on flat surfaces.

196 o struggle with polymer samples having broad polydispersity (PD).

197 ights (M(n) = 1600-137 500 g/mol) and narrow polydispersities (PDI = 1.1-1.3).

198 cular weight polymers with exceptionally low polydispersities (PDI approximately 1.02).

199 The polymer's low polydispersity (PDI approximately 2) and the catalyst's

200 Amphiphilic star polymers with low polydispersity (PDI) and high molecular weight were synt

201 l quenchometric oxygen sensor based on a low polydispersity (PDI) star polymer [Ru(bpyPS(2))(3)](PF(6

202 fying (emulsion capacity (EC), droplet size, polydispersity (PDI), emulsifying activity (EAI), and st

203 to the critical roles that self-assembly and polydispersity play in designing biodegradable materials

204 at a relatively low molecular weight, narrow polydispersity polyethylene (PE) wax (Polywax) can serve

205 of the rate of catalyst death, a single, low polydispersity polymer was prepared by adjusting the amo

206 Due to the intrinsic polydispersity present during synthesis, dispersions of

207 However, to date, the polydispersity present in as-synthesized SWCNT populatio

208 Specifically, when the aggregate size polydispersity, quantified as the width of the distribut

209 r weight and the monomer conversion, and low polydispersities (ratio of the weight-average to number-

210 Oligomer polydispersity regulates sHSPs chaperone activity in vit

211 esis processes yield SWNTs with large length polydispersity (several tens of nanometers up to centime

212 es C), fluoroalkylsilane-modified solid, low polydispersity silica nanoparticles (FNPs: 116 nm diamet

213 Information about molar mass, polydispersity, size, shape/conformation, or density can

214 The chemical composition, size, polydispersity, stability, and swelling behavior of the

215 polymer attributes such as molecular weight, polydispersity, tacticity, and comonomer incorporation.

216 Debye (RGD) scattering theory, the extent of polydispersity that can be tolerated for accurate partic

217 then leads to a surprising finding that the polydispersity, the deviation of nanoparticle size and s

218 nzymatically synthesized HA standards of low polydispersity, the molecular mass range was determined

219 Although MA is preferable at low polydispersity, the new estimator is the most accurate a

220 reports, suggest that the changes in complex polydispersity, the reduction of subunit exchange, and i

221 cular mass estimates often is limited by the polydispersity--the breadth of the size distribution--of

222 ins with controlled molecular weight and low polydispersity to be generated from one metal initiator.

223 rrent data analysis schemes that allows size polydispersity to be quantified for an arbitrary sample,

224 ing analysis of crm45 at pH 5.0 results in a polydispersity value of only 8-17%, suggesting that the

225 s for the synthesis of relatively small, low-polydispersity vesicles.

226 nd CeO2 nanoparticles of different sizes and polydispersities was achieved.

227 While the polydispersity was 1.10, indicating a very tight distrib

228 h in the magnetic nanoparticle mean size and polydispersity was determined from the magnetization cur

229 The polydispersity was typically underestimated compared to

230 rical micelles of controlled length with low polydispersities were prepared in N,N-dimethylformamide

231 ethylene glycol) (PEG) derivatives of narrow polydispersity were also used as core molecules in the d

232 Profound differences in batch polydispersity were observed between them.

233 Polystyrene samples of broad polydispersity were used to characterize the overall sys

234 The building blocks also possess shape polydispersity, where a subset of the building blocks de

235 Branch migration leads to polydispersity, which makes it difficult to characterize

236 which the shape parameter k is fixed by the polydispersity while the effect of attraction is capture

237 All emulsions were similar in polydispersity with mono-modal droplet distribution and

238 gnificant influence on the molecular weight, polydispersity, yield and architecture of the polymers t