• We introduce a novel approach by incorporating the extracellular matrix and chemotactic factor effects into a unified term using a single parameter, primarily focusing on modelling sprouting dynamics and morphology. (ibecbarcelona.eu)
  • R. Atkin, J. Eastoe, E. J. Wanless and C. D. Bain "Dynamics of Adsorption of Cationic Surfactants at Air�Water and Solid�Liquid Interfaces" in Dynamics of Surfactant Assemblies: Micelles, Vesicles and Microemulsions , R. Zana, Ed., Marcel Dekker, 2005, 125 , 379�417 (chap. 8). (durham.ac.uk)
  • Small angle X-ray scattering and molecular dynamics simulations were used to characterize the interaction between nanoparticles in linear alkane solvents ranging from hexane to hexadecane, including \SI{4}{\nano\meter} gold cores with hexadecanethiol shells and \SI{6}{\nano\meter} cadmium selenide cores with octadecanethiol shells. (bsz-bw.de)
  • Here, we combine macroscopic imaging and space- and time-resolved measurements of the microscopic dynamics of colloidal nanoparticles in drying drops sitting on a hydrophobic surface, measuring the evolution of the thickness of the shell and the spatial distribution and mobility of the nanoparticles. (bvsalud.org)
  • Two mechanisms were proposed for the sphere-to-rod transitions of block copolymer micelles, in which the micellar growth can occur by (A) fusion/fragmentation of micelles or (B) concomitant fusion/fragmentation of micelles and unimer exchange, followed by smoothing of the rod-like structures. (wikipedia.org)
  • This configuration involved the transformation of the liquid crystal phase of the micelle molecules from micellar to lamellar. (ncl.edu.tw)
  • MEUF is a separation processes which uses surfactants and ultrafiltration membranes to remove multivalent ions from wastewater with high percent rejection using electrostatic attraction between metals and micelles. (degruyter.com)
  • Also, this review focuses on studies related to micelle formation, attraction between metal ions and micelles, and recovery of surfactants for future research. (degruyter.com)
  • Here, we present our recent studies on the phase behavior of supramolecular nanocomposites in thin films. (aps.org)
  • 2008. "Adsorption of Copolymers Micelles and Aggregates: From Kinetics to Adsorbed Layer Structure. (tulane.edu)
  • R. A. Campbell, P. A. Ash, C. D. Bain "Dynamics of adsorption of an oppositely charged polymer-surfactant mixture at the air-water interface: poly(dimethyldiallylammonium chloride) and sodium dodecyl sulfate" Langmuir 2007, 23 , 3242-3253 ( DOI ). (durham.ac.uk)
  • J. Eastoe, A. Rankin, R. Wat and C. D. Bain "Surfactant Adsorption Dynamics" International Reviews in Physical Chemistry 2001, 20 , 357�386 ( DOI ). (durham.ac.uk)
  • Furthermore, I will discuss our interesting explorations on the dynamics of nanoparticle assemblies in thin films of supramolecular assemblies. (aps.org)
  • Using block copolymers as matrices for organizing metal and semiconductor NPs through microphase separation leads to hierarchical NP assemblies, but control over NP location within the hosting domains is usually limited to one-dimensional distribution. (aps.org)
  • Thus, the core of the aggregates is made from the insoluble blocks (polyoxypropylene) while the soluble portion (polyoxyethylene) forms the shell of the micelles. (wikipedia.org)
  • We describe here a new kind of instability in drying films of emulsions: during evaporation of the internal phase, cracks appear between the droplets that create aggregates according to a regular pattern. (espci.fr)
  • Here, we report the use of enantiopure tartaric acid as the additive to dramatically improve ordering in poly(ethylene oxide-block-tert-butyl acrylate) (PEO-b-PtBA) copolymers. (aps.org)
  • mPEG-Epoxide (Hydroxyl PEGylation of Polysaccharide) - Surface Grafting of Cellulose Nanocrystals with Poly(ethylene oxide) in Aqueous Media, Langmuir 2010, 26(16), 13450-13456, Text . (creativepegworks.com)
  • At low temperatures and concentrations (below the critical micelle temperature and critical micelle concentration) individual block copolymers (unimers) are present in solution. (wikipedia.org)
  • Salting-out salts increase the self-hydration of water through hydrogen bonding and reduce the hydration of the copolymers, thus reducing the critical micelle temperature and critical micelle concentration. (wikipedia.org)
  • For protein systems, we focus on block proteins that undergo liquid-liquid phase separation (LLPS) as a preassembly step for structural protein materials. (aalto.fi)
  • We show examples of purely entropic fluid-fluid transitions that precede crystallization, just as liquid-liquid phase separation precedes crystallization in tetrahedrally bonded molecular liquids and in protein solutions. (ucsb.edu)
  • The phase transitions can also be largely influenced by the use of additives such as salts and alcohols. (wikipedia.org)
  • These diverse materials may exhibit time-dependent structures under transient or out-of-equilibrium conditions resulting from for example self-assembly processes, phase transitions or in response to external fields, such as flow. (lu.se)
  • Due to the complexity of the problem, only subsets of these challenges have been addressed, often in isolation by a single PI or small group (e.g., studying fouling-resistant surfaces or characterizing structure/property relations in membrane separation layers). (utexas.edu)
  • It is considered an economical alternative available to the conventional membrane separation process, because it reduces the requirement of higher pressure and high membrane costs. (degruyter.com)
  • Such choice of polymeric components leads to a situation where the microphase separation of the block copolymer precedes the macrophase separation of the NPs from the copolymer. (aps.org)
  • There are different energetic contributions governing their phase behavior in bulk and in thin films. (aps.org)
  • Phase behavior and morphologies within both bulk and thin films were studied by TEM, AFM and X-ray scattering. (aps.org)
  • The poly(diethyl acrylamide) block segment features a lower critical solution temperature (LCST) in water, similar to the well-known poly(N-isopropylacrylamide), but having increased biocompatibility and without exhibiting a hysteresis of the thermally induced switching behavior. (bsz-bw.de)
  • A 30 kDa polyethylene glycol-enfuvirtide complex enhances the exposure of enfuvirtide in lymphatic viral reservoirs in rats, European Journal of Pharmaceutics and Biopharmaceutics, 2019. (jenkem.com)
  • The BCPs form micelles in a binary mixture of tetrahydrofuran and dimethylformamide, where BCP composition and solvent affinities are discussed in light of the expected structure of these micelles and the resulting BCP membrane formation. (bsz-bw.de)
  • We study the charge separation of drops rebounding from hydrophobic surfaces. (mpg.de)
  • Here, we show that the charge separation of bouncing drops can be 2 orders of magnitude higher on hydrophobic than superhydrophobic surfaces. (mpg.de)
  • Guiton, B. and Davies , P. K., "Nanochessboard superlattices formed by spontaneous phase separation in oxides" Nature Materials (to appear July 2007). (upenn.edu)
  • The ligand shell is exchanged by reacting the dispersion with the polymer ionomer mixture poly(3,4-ethylene dioxythiophene):polystyrene sulfonate (PEDOT:PSS). (bsz-bw.de)
  • With the addition of a photo acid generator, photo-induced disorder in PEO-b-PtBA/tartaric acid composite system can be achieved upon UV exposure to deprotect PtBA block to yield poly(acrylic acid) (PAA), which is phase-miscible with PEO. (aps.org)
  • To solve these problems, an amphiphilic polymer-drug conjugate was prepared by attachment of low molecular weight (ie, 2 kDa) methoxy poly(ethylene glycol) methyl ether (mPEG) to gambogic acid (GA-mPEG 2000 ) through an ester linkage and characterized by 1H nuclear magnetic resonance. (dovepress.com)
  • yet, the counterintuitive notion that particles with no interactions other than excluded volume might self-assemble from a fluid phase into an ordered crystal has been known since the mid-20th century. (ucsb.edu)
  • In this talk, we show how entropy alone can produce order and complexity beyond that previously imagined, both in colloidal crystal structure as well as in the kinetic pathways connecting fluid and crystal phases. (ucsb.edu)
  • Within the present work, a thermo-responsive ultrafiltration membrane is manufactured based on a polystyrene-block-poly(diethyl acrylamide) block copolymer (BCP). (bsz-bw.de)
  • Synthetic membranes are widely used for purifying relatively clean water (e.g., seawater and brackish water desalination, filtering lake and river water, etc.) via reverse osmosis (RO), nanofiltration (NF), electrodialysis (ED), ultrafiltration (UF) and microfiltration (MF) due to low energy requirements of membranes relative to alternatives (e.g., thermally-based separations). (utexas.edu)
  • The mechanisms involved in the shape transformation are different compared to the dynamics of micellization. (wikipedia.org)
  • Colloidal quasicrystals, clathrate structures, and structures with large and complex unit cells typically associated with metal alloys, can all self-assemble from a disordered phase of identical particles due solely to entropy maximization. (ucsb.edu)
  • R.D. Rogers, A.H. Bond, C.B. Bauer, Metal ion separations in polyethylene glycol-based aqueous biphasic systems, Sep. (epj-n.org)
  • Dasbiswas, K., Majkut, S., Discher, D.E. and Safran, S.A. Substrate stiffness-modulated registry phase correlations in cardiomyocytes map structural order to coherent beating. (upenn.edu)
  • Temperature dependent EXAFS studies to probe local structural changes across structural and magnetic phase transition. (rrcat.gov.in)
  • The GA-mPEG 2000 conjugates self-assembled to form nanosized micelles, with mean diameters of less than 50 nm, and a very narrow particle size distribution. (dovepress.com)
  • Synthetic, branched poly-alpha-olefin lubricants produced by olefin oligomerization meet some specifications, but selectively tuning their size and architecture is challenging. (udel.edu)
  • Salting-in electrolytes reduce the water self-hydration and increase the polymer hydration, therefore increasing the critical micelle temperature and critical micelle concentration. (wikipedia.org)
  • The membranes are manufactured using the non-solvent induced phase separation (NIPS) process and are characterized via scanning electron microscopy (SEM) and water permeation measurements. (bsz-bw.de)
  • Mobile phase: - mobilephaseA:to4mloftriethylamineRadd1996ml of water R and adjust to pH 3. (banglaforexacademy.com)
  • Further, GA-mPEG 2000 micelles were effective in inhibiting tumor growth and prolonged survival in subcutaneous B16-F10 and C26 tumor models. (dovepress.com)
  • Articles, abstracts, and book chapters citing Globals Software (Globals Unlimited, Globals for Spectroscopy, and Globals for Images aka SimFCS) by authors not affiliated with the Laboratory for Fluorescence Dynamics (LFD). (uci.edu)
  • Development of long-acting ciliary neurotrophic factor by site-specific conjugation with different-sized polyethylene glycols and transferrin, International Journal of Pharmaceutics, 2017. (jenkem.com)
  • 4-Arm PEG-Amine (Delivery Vector for siRNA) - Multi-armed cationic cyclodextrin: poly(ethylene glycol) polyrotaxanes as efficient gene silencing vectors, Integr. (creativepegworks.com)
  • Here, we use spatially resolved multispeckle diffusing wave spectroscopy (MSDWS) with submicrosecond time resolution to measure the spatially dependent swelling and creasing of a constrained poly (vinyl alcohol) chemical gel in borax solutions of varying concentrations. (bvsalud.org)