Soft Matter
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#1Guoqing Xu (Beihang University)
#2Tao Huang (黄韬) (Kunming University of Science and Technology)H-Index: 2
Last. Yong Chen (Beihang University)H-Index: 22
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Active matters exhibit interesting collective behaviors and novel phases, which provide an important platform for the study of nonequilibrium physics. Mixtures of active and passive particles have been intensively studied in motility-induced phase separation, but the morphology of the active–passive interface has been poorly explored. In this work, we investigate the interface morphology in two-dimensional mixtures of active and passive particles using Brownian dynamics simulations. By systemati...
#1Adam L. Susser (Case Western Reserve University)H-Index: 1
#2Samo Kralj (University of Maribor)H-Index: 29
Last. Charles Rosenblatt (Case Western Reserve University)H-Index: 29
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A patterned surface defect of strength m = +1 and its associated disclination lines can decompose into a pair of surface defects and disclination lines of strength m = +1/2. For a negative dielectric anisotropy liquid crystal subjected to an applied ac electric field E, these half-integer defects are observed to wobble azimuthally for E > than some threshold field and, for sufficiently large fields, to co-revolve antipodally around a central point approximately midway between the two defects. Th...
#1Zeyu Wang (NBU: Ningbo University)H-Index: 1
#2Xuke Li (NBU: Ningbo University)H-Index: 1
Last. Zongbao Wang (NBU: Ningbo University)H-Index: 1
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MDI/BD-block thermoplastic polyurethanes (TPUs) crystallized at different isothermal temperatures and different cooling rates were investigated using multiple techniques. The MDI/BD blocks crystallized in form II when the isothermal temperature was equal to or higher than 150 °C, and in form I at lower isothermal temperatures. Form II had a higher crystal elastic modulus of 6.75 GPa than form I of 1.31 GPa. Form I exhibited contracted conformation, while form II exhibited an extended conformatio...
#2Geeta Arya (Central University of Rajasthan)H-Index: 8
Last. Walter Manucha (National University of Cuyo)H-Index: 22
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Conventional drug delivery systems often have several pharmacodynamic and pharmacokinetic limitations related to their low efficacy and bad safety. It is because these traditional systems cannot always be selectively addressed to their therapeutic target sites. Currently, target-specific and controlled drug delivery is one of the foremost challenges in the biomedical field. In this context, stimuli-responsive polymeric nanomaterials have been recognized as a topic of intense research. They have ...
#1Xiaoning Sun (DUT: Dalian University of Technology)
#2Xueying Yu (DUT: Dalian University of Technology)
Last. Wei He (DUT: Dalian University of Technology)
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Biosilicification allows the formation of complex and delicate biogenic silica in near-neutral solutions under ambient conditions. Studies have revealed that, during biosilicification, basic amino acid residues and long-chain polyamines of organic substrates interact electrostatically with negatively charged silicate precursors in solution, catalyzing the polycondensation of silicic acid and accelerating the formation of silica. This mechanism has inspired researchers to explore polymers bearing...
#1Atul SrivastavaH-Index: 4
#2Kenji KikuchiH-Index: 6
Last. Takuji IshikawaH-Index: 62
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The Brazil nut effect (BNE) is a counter-intuitive process of segregation of a large object inside a vibrated granular medium (GM), which has been studied widely by subjecting GMs to various kinds of shears and vibrations. In this article, we report a new kind of BNE which occurs as a consequence of granular fluctuations induced by microbe-generated gas bubbles. We call it the ‘microbial Brazil nut effect’. The paper demonstrates microbial BNE for a bidisperse granular mixture as well as for int...
#1Boyao Wen (Xi'an Jiaotong University)H-Index: 6
#2Chengzhen Sun (Xi'an Jiaotong University)H-Index: 16
Last. Bofeng Bai (Xi'an Jiaotong University)H-Index: 25
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Ion transport through interfaces is of ubiquitous importance in many fields such as electrochemistry, emulsion stabilization, phase transfer catalysis, liquid–liquid extraction and enhanced oil recovery. However, the knowledge of interfacial structures that significantly affect ion transport through liquid–liquid interfaces is still lacking due to the difficulty of observing nanoscale interfaces. We studied here the evolution of interfacial structures during ion transport through the decane–wate...
#1Manuel Johnson (FAU: University of Erlangen-Nuremberg)
#2Tim Hawly (FAU: University of Erlangen-Nuremberg)
Last. Rainer H. Fink (FAU: University of Erlangen-Nuremberg)H-Index: 46
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The molecular self-organization of alkyl-functionalized hexathiophene monolayers prepared at the solvent-water interface is investigated by complementary microscopy techniques. Our study focuses on the influence of solvents and initial droplet volume on the resulting film morphology. Long-range extended domains in the monolayer regime are detected by visible light microscopy only for toluene. Small-area electron diffraction (SAED) proofs the formation of single-crystalline monolayers with struct...
#1Fabian Friess (University of Potsdam)H-Index: 5
#2Andreas Lendlein (University of Potsdam)H-Index: 78
Last. Christian WischkeH-Index: 22
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Spherical particles from shape-memory polymers (SMP) can be stretched to ellipsoids with high aspect ratio (AR) and temporarily stabilized. They can switch back to low AR upon thermal stimulation. Here, the creation of an alternative shape-switching capability of particles from low to high AR is introduced, where a SMP matrix from polyvinyl alcohol (PVA) is used to create crosslinked high AR particles and to program the embedded micrometer-sized particles from a second SMP (oligo(e-caprolactone)...
#1Dustin T. Savage (UK: University of Kentucky)H-Index: 1
#2J. Zach Hilt (UK: University of Kentucky)H-Index: 34
Last. Thomas D. Dziubla (UK: University of Kentucky)H-Index: 29
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As a method to combat the extensive contamination of poly- and perfluoroalkyl substances (PFAS) in water supplies, poly(N-isopropylacrylamide) (PNIPAM) microgels copolymerized with 2,2,2-trifluoroethylacrylate (TFEA) represent a potential sensing tool for recognizing PFAS at dilute aqueous concentrations. The microgels exhibit exceptional temperature responsiveness, transitioning from a swollen z-average diameter of 890.8 ± 19.8 nm to a collapsed diameter of 246.4 ± 10.3 nm below and above their...
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Organic chemistry
Materials science
Chemical engineering