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Destructive effect of fluctuations on the performance of a Brownian gyrator

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Soft Matter, 2024, 20,3154-3160
DOI: 10.1039/D3SM01606D, Paper
Pascal Viot, Aykut Argun, Giovanni Volpe, Alberto Imparato, Lamberto Rondoni, Gleb Oshanin
The Brownian gyrator is often called a minimal model of a nano-engine performing a rotational motion, because in non-equilibrium conditions its torque, specific angular momentum  and specific angular velocity  have non-zero mean values.
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Mechanical guidance to self-organization and pattern formation of stem cells

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00172A, Paper
Wei-Hua Zhou, Lin-Ru Qiao, She-Juan Xie, Zhuo Chang, Xu Yin, Guang-Kui Xu
We introduce a mechanical model based on the dynamic balance between cell-ECM-culture environment, and demonstrate that it can capture specific phenomena in stem cell pattern formation experiments guided by geometric constraints.
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A microrheological examination of insulin-secreting β-cells in healthy and diabetic-like conditions

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D3SM01141K, Paper
Open Access
Lukas Woolley, Adam Burbidge, Jan Vermant, Fotis Christakopoulos
We provide an insight into the compliance of β-cells and explore structural changes in conditions relevant to type-2 diabetes, showing an altered transport behavior and hindering the effective control of insulin secretion.
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A computational study of cell membrane damage and intracellular delivery in a cross-slot microchannel

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00047A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Ruixin Lu, Peng Yu, Yi Sui
The inertial effect increases the cell deformation and membrane damage in the channel cross-slot; however, the enhancement can be reversed by the cell membrane viscosity.
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Divergent self-assembly propensity of enantiomeric phenylalanine amphiphiles that undergo pH-induced nanofiber-to-nanoglobule conversion

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00117F, Paper
Manas Kumar Pradhan, Nayanika Misra, Fathima Sahala, Nyaya Prakash Pradhan, Aasheesh Srivastava
Enantiomeric single phenylalanine derivatives demonstrate very different self-assembling propensity and thermodynamic parameters associated with self-assembly.
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Adsorption of semiflexible wormlike polymers to a bar and their double-chain complex formation

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00188E, Paper
Open Access
A. N. Semenov, I. A. Nyrkova
The quantitative transfer matrix approach and scaling arguments in terms of trains, loops, tails and supertrains allowed us to characterize the main regimes of semiflexible chain adsorption on a bar and double-chain complex formation.
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Enzymatic functionalization of decellularized tilapia skin scaffolds with enhanced skin regeneration

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D3SM01742G, Paper
Cuixia Chen, Wenwen Tao, Di Jiang, Yanyan Yang, Tiantian Liang, Qilong Gu, Yuran Xu, Junjuan Zhao, Xing Zhou, Xinglong Fan
The enzymatic dTS/RGD scaffolds, possessing medium mechanical strength, a rapid degradation rate and enough cell responsive motifs, provide a suitable microenvironment for wound healing, which make them potential in skin regeneration engineering.
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Spatiotemporal Mapping of Nanotopography and Thickness Transitions of Ultrathin Foam Films

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Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D4SM00048J, Tutorial Review
Chenxian Xu, Yiran Zhang, Vivek Sharma
Freshly formed soap films, soap bubbles, or foam films display iridescent colors due to thin film interference that changes as squeeze flow drives drainage and a steady decrease in film...
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Pinning–depinning transition of droplets on inclined substrates with a three-dimensional topographical defect

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00081A, Paper
Ninad V. Mhatre, Satish Kumar
The influence of defect geometry on the critical inclination angle required for droplet depinning on inclined substrates is studied.
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Dynamic compaction of cohesive granular materials: scaling behavior and bonding structures

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D3SM01116J, Paper
Open Access
Max Sonzogni, Jean-Mathieu Vanson, Katerina Ioannidou, Yvan Reynier, Sébastien Martinet, Farhang Radjai
The compaction of cohesive granular materials is a common operation in powder-based manufacture of many products.
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Topology of ferroelectric nematic droplets: the case driven by flexoelectricity or depolarization field

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D3SM01042B, Communication
Yu Zou, Jidan Yang, Xinxin Zhang, Mingjun Huang, Satoshi Aya
Emerging polar nematics exhibits nontrivial topologies in confinement, controlled by the magnitude of the polarization.
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The effect of structural changes on the self-assembly of novel green pyridinium-carboxylate gemini surfactants in Langmuir and Langmuir–Blodgett films

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D3SM01671D, Paper
Ala’a F. Eftaiha, Abdussalam K. Qaroush, Dina M. Foudeh, Ahmad S. Abo-shunnar, Suhad B. Hammad, Khaleel I. Assaf, Matthew F. Paige
The synthesis and interfacial characterization of a series of gemini surfactants based on pyridine-n-carboxylic acids, including picolinic, nicotinic, and isonicotinic acids, in Langmuir and Langmuir–Blodgett films have been reported.
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Temperature dependence of micelle shape transitions in copolymer solutions: the role of inter-block incompatibility

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00331D, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
M. J. Greenall, M. J. Derry
The incompatibility of the blocks in a copolymer strongly affects the temperature dependence of the micelle shape transitions in solution.
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Spontaneous crumpling of active spherical shells

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00015C, Paper
Open Access
M. C. Gandikota, Shibananda Das, A. Cacciuto
The existence of a crumpled Flory phase for equilibrated self-avoiding elastic surfaces has remained contentious. Here, we show that a crumpled phase develops reliably upon subjecting a thin spherical self-avoiding shell to active fluctuations.
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The interplay of chirality and restricted rotation: stabilisation of chiral, frustrated mesophases over a wide thermal range

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00126E, Paper
Sachin A. Bhat, Channabasaveshwara V. Yelamaggad
Chiral dimers formed by linking cholesterol to phenyl 3-(4-(n-alkoxy)phenyl)propiolate via ω-oxyalkanoyloxy spacer exhibit odd–even effect, stabilizing SmA, N*, BPI/II, & TGBC* phases. TGBC* phase width increases with longer terminal tails.
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Bacteria–surface interactions: role of impacting bacteria-laden droplets

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00196F, Paper
Sudip Shyam, Sirshendu Misra, Surjyasish Mitra, Sushanta K. Mitra
Impact-induced transformation of bacteria from a viable to a dormant mode.
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Softness matters: effects of compression on the behavior of adsorbed microgels at interfaces

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00235K, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Yuri Gerelli, Fabrizio Camerin, Steffen Bochenek, Maximilian M. Schmidt, Armando Maestro, Walter Richtering, Emanuela Zaccarelli, Andrea Scotti
As lateral compression is applied, microgel particles with different softness exhibit distinct behaviours. Hard microgels (green particles) are pushed away from the air–water interface, whereas soft ones (orange particles) are less deformed.
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Improved ionic current rectification utilizing cylindrical nanochannels coated with polyelectrolyte layers of non-uniform thickness

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00123K, Paper
Nader Nekoubin, Steffen Hardt, Arman Sadeghi
We show that a cylindrical nanochannel coated with a polyelectrolyte layer of non-uniform thickness can be a good alternative to the widely-used conical nanochannels in creating ionic current rectification.
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Morphology of Impact Polypropylene Copolymer Extruded Cast Film Revealed by Confocal Raman Imaging

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Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D4SM00156G, Paper
Chunbo Zhang, Meng Xu, Minqiao Ren, Hongwei Shi, Guoming Liu, Juan Li, Xuanbo Liu, Longgui Zhang, Dali Gao
An impact polypropylene copolymer (IPC), composed of polypropylene (PP) and ethylene-propylene copolymer (EPC), was synthesized through two-stage in-reactor polymerization. A systematic investigation of the crystalline structure, thermal behavior, morphology, and...
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Lock-Key Microfluidics: Simulating Nematic Colloid Advection along Wavy-Walled Channels

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Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D3SM01536J, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Karolina Wamsler, Louise C Head, Tyler Nathan Shendruk
Liquid crystalline media mediate interactions between suspended particles and confining geometries, which not only has potential to guide patterning and bottom-up colloidal assembly, but can also control colloidal migration in...
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Dynamics and phase behavior of metallo-dielectric rod-shaped microswimmers driven by Alternating Current electric field

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Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D4SM00206G, Paper
Suvendu Kumar Panda, Srikanta Debata, Nomaan Alam Kherani, Dhruv Pratap Singh
The ability to move and self-organize in response to external stimuli is a fascinating feature of living active matter. Here, the metallo-dielectric rod-shaped microswimmers are shown to have a similar...
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Effects of salinity on the flow of dense colloidal suspensions

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Soft Matter, 2024, 20,3367-3375
DOI: 10.1039/D4SM00035H, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Marc Lagoin, Agnès Piednoir, Rémy Fulcrand, Antoine Bérut
We studied how the flowing dynamics of dense suspensions of silica micro-particles in microfluidic rotating drums experiments is modified when the inter-particles repulsion is progressively screened by increasing the ionic force of the suspension.
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Bending creep behaviour of various polymer films analysed by surface strain measurement

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Soft Matter, 2024, 20,3248-3255
DOI: 10.1039/D3SM01566A, Paper
Jiayi Yu, Masayuki Kishino, Kyohei Hisano, Atsushi Shishido
Polymer films subjected to a static bending state exhibit temporal strain increase due to their viscoelastic nature. We quantitatively measured the surface strain change in various polymer films in real time and gained insights into the occurrence of this phenomenon.
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In silico design of misfolding resistant proteins: the role of structural similarity of a competing conformational ensemble in the optimization of frustration

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Soft Matter, 2024, 20,3283-3298
DOI: 10.1039/D4SM00171K, Paper
Bondeepa Saikia, Anupaul Baruah
The degree of similarity of the non-native conformations to the target plays a prominent role in designing misfolding resistant protein sequences.
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Slide electrification of drops at low velocities

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Soft Matter, 2024, 20,3349-3358
DOI: 10.1039/D4SM00019F, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Chirag Hinduja, Hans-Jürgen Butt, Rüdiger Berger
The novelty of our electro drop friction force instrument (eDoFFI) is the simultaneous measurements of the drop discharging current and friction force acting on the sliding drops. With eDOFFI, we measure the surface charge density deposited behind sliding drops.
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Achieving controllable and reversible snap-through in pre-strained strips of liquid crystalline elastomers

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Soft Matter, 2024, 20,3256-3270
DOI: 10.1039/D4SM00037D, Paper
Open Access
James T. Waters, Anna C. Balazs
Deformable, elastic materials that buckle in response to external stimuli can display “snap-through”, which involves a transition between different, stable buckled states.
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Effects of shear-induced crystallization on the complex viscosity of lamellar-structured concentrated surfactant solutions

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Soft Matter, 2024, 20,3299-3312
DOI: 10.1039/D3SM01198D, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Parth U. Kelkar, Matthew Kaboolian, Ria D. Corder, Marco Caggioni, Seth Lindberg, Kendra A. Erk
Material relationships at low temperatures were determined for concentrated surfactant solutions using a combination of rheological experiments, cross-polarized microscopy, calorimetry, and small angle X-ray scattering.
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Cosolvent incorporation modulates the thermal and structural response of PNIPAM/silyl methacrylate copolymers

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Soft Matter, 2024, 20,3322-3336
DOI: 10.1039/D4SM00246F, Paper
Jason D. Linn, Fabian A. Rodriguez, Michelle A. Calabrese
The nanoscale structure formation and optical response of aqueous thermoresponsive polymers with reactive silane groups can be widely tuned via polymer architecture and organic cosolvent incorporation.
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Interaction between stabilized droplets of different phases in the same continuous phase of an aqueous three-phase system

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Soft Matter, 2024, 20,3359-3366
DOI: 10.1039/D3SM01688A, Paper
Do-Nhu-Trang Nguyen, Léa Waldmann, Valérie Ravaine, Taco Nicolai, Lazhar Benyahia
Janus-like droplets, covered with microgel, formed after the fusion of gelatin and dextran droplets in a common poly(ethylene oxide) phase.
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Pure elongation flow of an electrorheological fluid: insights on wall slip from electrorheology

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Soft Matter, 2024, 20,3313-3321
DOI: 10.1039/D3SM01448G, Paper
Ishu Chaudhary, Manish Kaushal
We study the pure elongation flow behavior of an electrorheological fluid as a model soft-jammed system, wherein the extent of jamming is controlled by an externally applied electric-field. Additionally, this study offers general insight into how jamming affects slip dynamics.
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Angle-resolved optical spectroscopy of photonic cellulose nanocrystal films reveals the influence of additives on the mechanism of kinetic arrest

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00155A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Thomas G. Parton, Richard M. Parker, Sonja Osbild, Silvia Vignolini, Bruno Frka-Petesic
Photonic films produced by cellulose nanocrystal self-assembly offer a sustainable source of colouration. Their angular optical response reveals the suspension conditions at kinetic arrest and how common additives affect this liquid–solid transition.
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Critical Casimir forces in soft matter

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Soft Matter, 2024, 20,3212-3242
DOI: 10.1039/D3SM01408H, Review Article
A. Gambassi, S. Dietrich
We review recent advances in the theoretical, numerical, and experimental studies of critical Casimir forces in soft matter, with particular emphasis on their relevance for the structures of colloidal suspensions and on their dynamics.
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Effect of Aromatic Side Chain on the Dilational Rheological Properties of N-Acyltaurate Amphiphiles at Water-Decane Interfaces

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Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D4SM00269E, Paper
Yang-Wen Zhu, Zhicheng Xu, Li Zhang, Ping Liu, Yu Hou, Lei Zhang, Lu Zhang
To elucidate the effect of aromatic side chains on dilational rheological properties of N-acyltaurate amphiphiles at the decane-water interface, the interfacial rheological properties of sodium N-2-(2-naphthoxy)-tetradecanolytaurinate (12+N-T) and sodium N-2-(p-butylphenoxy)-...
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Ullrich Steiner: portrait of the scientist as a young student

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM90046D, Profile
Jacob Klein
A brief memoir in honour of Professor Ullrich Steiner’s 60th birthday.
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Lipidation Alters the Phase-separation of Resilin-like Polypeptides

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Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D4SM00358F, Paper
Open Access
Zhe Zhang, Jingjing Ji, Md Shahadat Hossain, Briah Bailey, Shikha Nangia, Davoud Mozhdehi
Biology exploits biomacromolecular phase separation to form condensates, known as membraneless organelles. Despite significant advancements in deciphering sequence determinants for phase separation, modulating these features in vivo remains challenging. A...
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Ligand-dependent folding and unfolding dynamics and free energy landscapes of acylphosphatase

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00131A, Paper
Li Yuan, Hao Sun, Xuening Ma, Yang Wang, Zilong Guo, Xingyu Qi, Shimin Le, Hu Chen
The free energy landscapes of AcP in the absence and presence of Pi are constructed by using stable magnetic tweezers.
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Collective behavior of squirmers in thin films

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00075G, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Bohan Wu-Zhang, Dmitry A. Fedosov, Gerhard Gompper
The collective behavior of microswimmers in confinement depends on their shape, hydrodynamic interactions, and interactions with confining walls. We use simulations of two layers of spheroidal squirmers in a slit to characterize their behavior for various volume fractions and squirmer types.
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Capillary imbibition of confined monodisperse emulsions in microfluidic channels

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00179F, Paper
Masoud Norouzi Darabad, Sagnik Singha, Siva A. Vanapalli, Mark W. Vaughn, Jerzy Blawzdziewicz
Emulsion imbibition into flat capillaries is very complex. We show that formation of a clear-fluid or dense-emulsion region behind the meniscus, concentration and velocity fluctuations, and generation of ordered domains are confinement controlled.
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A versatile route for the fabrication of micro-patterned polylactic-acid (PLA)-based membranes with tailored morphology via breath figure imprinting

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00107A, Paper
Rayane Akoumeh, Manale Noun, Deepalekshmi Ponnamma, Maryam Al-Ejji, Khadija M. Zadeh, Alaa H. Hawari, Kenan Song, Mohammad K. Hassan
Breath figure imprinting, based on surface instabilities combined with fast polymer evaporation in a humid environment, enables the creation of micro-patterned membranes with tailored pore sizes.
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Experimental observation of near-wall effects during the puncture of soft solids

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D3SM01216F, Paper
Christopher W. Barney, Szabolcs Berezvai, Allison L. Chau, Younghoon Kwon, Angela A. Pitenis, Robert M. McMeeking, Megan T. Valentine, Matthew E. Helgeson
The measured force during a puncture test is found to increase when the needle tip is near to the vial walls. An experimental method for quantifying this increase in stiffness is developed.
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Energy dissipation of a contact line moving on a nanotopographical defect

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00161C, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Sylvain Franiatte, Germercy Paredes, Thierry Ondarçuhu, Philippe Tordjeman
We measure by dynamic atomic force microscopy the dissipated energy when a contact line moves on an individual nanotopographical defect.
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Theory and simulation of ligand functionalized nanoparticles – a pedagogical overview

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00177J, Review Article
Thi Vo
Synthesizing reconfigurable nanoscale synthons with predictive control over shape, size, and interparticle interactions is a holy grail of bottom-up self-assembly.
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Short-term memory effects in the phototactic behavior of microalgae

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Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D3SM01628E, Paper
Taha Laroussi, Mojtaba Jarrahi, Gabriel Amselem
Phototaxis, the directed motion in response to a light stimulus, is crucial for motile microorganisms that rely on photosynthesis, such as the unicellular microalga Chlamydomonas reinhardtii. It is well known...
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Effect of surface viscoelasticity on top jet drops produced by bursting bubbles

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Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D4SM00243A, Paper
Zhengyu Yang, Sainath Barbhai, Bingqiang Ji, Jie Feng
Jet drops resulting from bubble bursting at a liquid surface play a key role in various mass transfer processes across the interface, including sea spray aerosol generation and pathogen transmission....
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Effect of equilibration time on the structural gradient in the vertical direction for bicontinuous microemulsions in Winsor-III and -IV systems

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D3SM01741A, Paper
Douglas G. Hayes, Brian A. Barth, Sai Venkatesh Pingali
Both equilibration time and the transfer of Winsor-III microemulsion systems from one container to another affect the structure of the bicontinuous phase in the vertical direction.
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In situ aggregation and early states of gelation of gold nanoparticle dispersions

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00080C, Paper
Florian Schulz, Avni Jain, Francesco Dallari, Verena Markmann, Felix Lehmkühler
The aggregation and onset of gelation of PEGylated gold nanoparticles dispersed in a glycerol–water mixture is studied by small-angle X-ray scattering and X-ray photon correlation spectroscopy.
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Effects of Monovalent and Divalent Cations on the Rheology of Entangled DNA

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Soft Matter, 2024, Accepted Manuscript
DOI: 10.1039/D3SM00957B, Paper
Open Access
Jennifer Harnett, Simon Weir, Davide Michieletto
In this paper we investigate the effects of varying cation valency and concentration on the rheology of entangled Lambda DNA solutions. We show that monovalent cations moderately increase the viscoelasticty...
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Spontaneous oscillation of an active filament under viscosity gradients

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00095A, Paper
Open Access
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Zhaorong Liu, Youchuang Chao, Zhijun Zheng, Lailai Zhu
We investigate the effects of uniform viscosity gradients on the spontaneous oscillations of an elastic, active filament in viscous fluids.
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Dynamics in polymers with phase separated dynamic bonds: the case of a peculiar temperature dependence

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Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00115J, Paper
Peyton Carden, Sirui Ge, Bingrui Li, Subarna Samanta, Alexei P. Sokolov
Relaxation processes in polymers with phase separated dynamic bonds include segmental (α) process, individual bond dissociation (α*) and rearrangement (intermediate), structural relaxation in clusters (α2) and terminal relaxation (c).
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Removal of diclofenac sodium from water using a polyacrylonitrile mixed-matrix membrane embedded with MOF-808

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RSC Adv., 2024, 14,12142-12146
DOI: 10.1039/D3RA08682H, Paper
Open Access
Xiao-Jing Hu, Yu-Lin Li, Hai-Xiong Liu, Shao-Ming Ying, Qi Yin, Tian-Fu Liu
Based on the excellent diclofenac sodium (DCF) removal capacity of MOF-808, a free-standing mixed-matrix membrane composed of polyacrylonitrile and MOF-808 was fabricated and used to remove DCF from water via an easily accessible filtration method.
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