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A Facile Fabrication of Ordered Mesoporous Carbons Derived from Phenolic Resin and Mesophase Pitch via a Self-Assembly Method

Nanomaterials (Basel). 2022 Aug 4;12(15):2686. doi: 10.3390/nano12152686.ABSTRACTOrdered and disordered mesoporous structures were synthesized by a self-assembly method using a mixture of phenolic resin and petroleum-based mesophase pitch as the starting materials, amphiphilic triblock copolymer F127 as a soft template, hydrochloric acid as a catalyst,...

Preparation, Structural Characterization of Anti-Cancer Drugs-Mediated Self-Assembly from the Pluronic Copolymers through Synchrotron SAXS Investigation

Materials (Basel). 2022 Aug 5;15(15):5387. doi: 10.3390/ma15155387.ABSTRACTChemotherapy drugs are mainly administered via intravenous injection or oral administration in a very a high dosage. If there is a targeted drug vehicle which can be deployed on the tumor, the medical treatment is specific and precise. Binary mixing of biocompatible Pluronic®...

Lipid membrane interactions of self-assembling antimicrobial nanofibers: effect of PEGylation

RSC Adv. 2020 Sep 24;10(58):35329-35340. doi: 10.1039/d0ra07679a. eCollection 2020 Sep 21.ABSTRACTSupramolecular assembly and PEGylation (attachment of a polyethylene glycol polymer chain) of peptides can be an effective strategy to develop antimicrobial peptides with increased stability, antimicrobial efficacy and hemocompatibility. However, how the...

Phase transition behavior and deformation mechanism of polytetrafluoroethylene under stretching

RSC Adv. 2021 Dec 14;11(63):39813-39820. doi: 10.1039/d1ra06333b. eCollection 2021 Dec 13.ABSTRACTThe deformation mechanism and phase transition behavior of polytetrafluoroethylene (PTFE) under stretching conditions (25, 50, 100 °C) were investigated by using differential scanning calorimetry (DSC), small angle X-ray scattering (SAXS), and X-ray diffraction...

Characterization and preliminary <em>in vivo</em> evaluation of a self-expandable hydrogel stent with anisotropic swelling behavior and endoscopic deliverability for use in biliary drainage

J Mater Chem B. 2022 Mar 11. doi: 10.1039/d2tb00104g. Online ahead of print.ABSTRACTWe demonstrate the potential of a novel self-expandable biliary stent comprised of poly(vinyl alcohol) (PVA) hydrogel with anisotropic swelling behavior and endoscopic deliverability in vivo, using a porcine stent model. The mechanism underlying the anisotropic swelling...

Understanding multiscale structure-property correlations in PVDF-HFP electrospun fiber membranes by SAXS and WAXS

Nanoscale Adv. 2021 Nov 15;4(2):491-501. doi: 10.1039/d1na00503k. eCollection 2022 Jan 18.ABSTRACTElectrospinning is a versatile technique to produce nanofibrous membranes with applications in filtration, biosensing, biomedical and tissue engineering. The structural and therefore physical properties of electrospun fibers can be finely tuned by changing...

Using small angle scattering to understand low molecular weight gels

Soft Matter. 2022 Feb 11. doi: 10.1039/d1sm01707a. Online ahead of print.ABSTRACTThe material properties of a gel are determined by the underpinning network that immobilises the solvent. When gels are formed by the self-assembly of small molecules into a so-called low molecular weight gel, the network is the result of the molecules forming one-dimensional...

Enzymatic synthesis of cellulose in space: gravity is a crucial factor for building cellulose II gel structure

Cellulose (Lond). 2022 Jan 29:1-17. doi: 10.1007/s10570-021-04399-0. Online ahead of print.ABSTRACTABSTRACT: We previously reported in vitro synthesis of highly ordered crystalline cellulose II by reverse reaction of cellodextrin phosphorylase from the cellulolytic bacterium Clostridium (Hungateiclostridium) thermocellum (CtCDP), but the formation mechanism...

Understanding the Drying Behavior of Regenerated Cellulose Gel Beads: The Effects of Concentration and Nonsolvents

ACS Nano. 2022 Feb 1. doi: 10.1021/acsnano.1c09338. Online ahead of print.ABSTRACTThe drying behavior of regenerated cellulose gel beads swollen with different nonsolvents (e.g., water, ethanol, water/ethanol mixtures) is studied in situ on the macroscopic scale with an optical microscope as well as on nanoscale using small-angle/wide-angle X-ray scattering...

Seeking Solvation: Exploring the Role of Protein Hydration in Silk Gelation

Molecules. 2022 Jan 16;27(2):551. doi: 10.3390/molecules27020551.ABSTRACTThe mechanism by which arthropods (e.g., spiders and many insects) can produce silk fibres from an aqueous protein (fibroin) solution has remained elusive, despite much scientific investigation. In this work, we used several techniques to explore the role of a hydration shell bound...

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