Effects of particle stiffness on the extensional rheology of model rod-like nanoparticle suspensions

Lång, Christian; Hendricks, J. E.; Zhang, Zhenkun; Reddy, Naveen Krishna; Rothstein, Jonathan P.; Lettinga, M. P.; Vermant, Jan; Clasen, Christian

doi:10.1039/c8sm01925h

Cited by 24 publications

(35 citation statements)

References 68 publications

(85 reference statements)

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“…Moreover, the effect of hydrodynamic friction, as suggested by Hinch and Leal, 69 should not be ignored, as shown previously. 28 We have discussed this issue in an earlier paper, where we treated the linear dynamic response as well as extensional flow response of fd and fdY21M.…”

Section: Resultsmentioning

confidence: 99%

Microstructural Understanding of the Length- and Stiffness-Dependent Shear Thinning in Semidilute Colloidal Rods

et al. 2019

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Complex fluids containing low concentrations of slender colloidal rods can display a high viscosity, while little flow is needed to thin the fluid. This feature makes slender rods essential constituents in industrial applications and biology. Though this behaviour strongly depends on the rod-length, so far no direct relation could be identified. We employ a library of filamentous viruses to study the effect of rod size and flexibility on the zero-shear viscosity and shear-thinning behaviour. Rheology and small angle neutron 1 arXiv:1910.08349v1 [cond-mat.soft] 18 Oct 2019 scattering data are compared to a revised version of the standard theory for ideally stiff rods, which incorporates a complete shear-induced dilation of the confinement. While the earlier predicted length-independent pre-factor of the restricted rotational diffusion coefficient is confirmed by varying the length and concentration of the rods, the revised theory correctly predicts the shear thinning behaviour as well as the underlying orientational order. These results can be directly applied to understand the manifold systems based on rod-like colloids and design new materials.

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Section: Resultsmentioning

confidence: 99%

Microstructural Understanding of the Length- and Stiffness-Dependent Shear Thinning in Semidilute Colloidal Rods

et al. 2019

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“…In Sec. 3 we also include a comparison between the results obtained from our simulations for flexible filaments and the usual Brownian dynamics simulations, as well as a comparison between our numerical results and the experimental data obtained for flexible polyelectrolytes. Our results for semiflexible filaments are presented in Sec.…”

Section: Introductionmentioning

confidence: 93%

“…Despite of its importance to the well-functioning of almost all biological specimens [1], the viscoelastic response of complex solutions of unentangled semiflexible filaments [2], e.g., collagen, actin, rodlike viruses, amyloid fibrils, microtubules, and DNA, is not yet entirely predictable neither from theory or simulations [3]. Contrary to solutions of cross-linked filaments, where a shear protocol can be used to extract the mechanical properties of the networks [4,5,6,7], the study of the viscoelastic response of solutions of diluted unentangled filaments relies mainly on monitoring the stochastic dynamics of segments in the filament, which means that those methods are based mainly on fluctuations due to Brownian dynamics [8].…”

Section: Introductionmentioning

confidence: 99%

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Microrheology of semiflexible filament solutions based on relaxation simulations

Duarte,

Teixeira,

Rizzi

2020

Preprint

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We present an efficient computational methodology to obtain the full viscoelastic response of dilute solutions of unentangled semiflexible filaments. By considering an approach based on the fluctuation-dissipation theorem, we were able to evaluate the dynamical properties of long semiflexible filaments from relaxation simulations with a relatively low computational cost and higher precision in comparison to the traditional brownian dynamics simulations. We used a microrheological approach to obtain the complex shear modulus and the complex viscosity of the solution through its compliance which was obtained directly from the dynamical properties of the filaments. The relaxation simulations were applied to access the effects of the bending energy on the viscoelasticity of semiflexible filament solutions and our methodology was validated by comparing the numerical results to experimental data on DNA and collagen solutions.

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“…Given the practical ability to produce homogeneous 135 simple shear flows and the aforementioned breaking of uni-136 axial symmetry, simple shear flow presents a rigorous test of 137 such theories. The preferred model system for structural and 138 mechanical studies of nonspherical nanoparticles in simple 139 shear flow has been aqueous dispersions of fd-viruses-rigid, 140 monodisperse and rodlike particles [26,[44][45][46][47][48]. In this work, 141 we will probe SAS from aqueous dispersions of fd-virus par-142 ticles in simple shear flow.…”

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Bayesian estimations of orientation distribution functions from small-angle scattering enable direct prediction of mechanical stress in anisotropic materials

Corona

Silmore

Adkins

et al. 2021

Phys. Rev. Materials

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Attached is a PDF proof of your forthcoming article in Physical Review Materials. Your article has 21 pages and the Accession Code is MA10148.Please note that as part of the production process, APS converts all articles, regardless of their original source, into standardized XML that in turn is used to create the PDF and online versions of the article as well as to populate third-party systems such as Portico, Crossref, and Web of Science. We share our authors' high expectations for the fidelity of the conversion into XML and for the accuracy and appearance of the final, formatted PDF. This process works exceptionally well for the vast majority of articles; however, please check carefully all key elements of your PDF proof, particularly any equations or tables.Figures submitted electronically as separate files containing color appear in color in the journal. Specific Questions and Comments to Address for This Paper1 The .eps file for Fig. 2 does not match the ones in the PDF you supplied. Please confirm that the correct figure was used. 2 Please verfy "Sec. B" 3 Please provide location in Refs. [1,23,49] 4 Please provide page number in Ref. [5] 5 Please verify change in the page no. in Refs. [20,27,35,47,60] 6 Please provide volume and page number in Ref. [21] 7 Please update all information in Ref. [58]. 8 Please verify author name in Ref. [59]. 9 The citation of Refs. [69, 70,71,72,73,74,75,76,77,78] is missing in the text. Please cite the same in running text in sequence to avoid the renumbering of references. 10 Please provide publisher and location in Refs. [71,73]. FQ: This funding provider could not be uniquely identified during our search of the FundRef registry (or no Contract or Grant number was detected). Please check information and amend if incomplete or incorrect. Q: This reference could not be uniquely identified due to incomplete information or improper format. Please check all information and amend if applicable.ORCIDs: Please follow any ORCID links ( ) after the author names and verify that they point to the appropriate record for each author.Open Funder Registry: Information about an article's funding sources is now submitted to Crossref to help you comply with current or future funding agency mandates. Crossref's Open Funder Registry (https://www.crossref.org/services/funder-registry/) is the definitive registry of funding agencies. Please ensure that your acknowledgments include all sources of funding for your article following any requirements of your funding sources. Where possible, please include grant and award ids. Please carefully check the following funder information we have already extracted from your article and ensure its accuracy and completeness: U.

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Effects of particle stiffness on the extensional rheology of model rod-like nanoparticle suspensions

Abstract: The linear and nonlinear rheological behavior of two rod-like particle suspensions as a function of concentration is studied using small amplitude oscillatory shear, steady shear and capillary breakup extensional rheometry.

Cited by 24 publications

References 68 publications

Microstructural Understanding of the Length- and Stiffness-Dependent Shear Thinning in Semidilute Colloidal Rods

Microstructural Understanding of the Length- and Stiffness-Dependent Shear Thinning in Semidilute Colloidal Rods

Microrheology of semiflexible filament solutions based on relaxation simulations

Bayesian estimations of orientation distribution functions from small-angle scattering enable direct prediction of mechanical stress in anisotropic materials

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