Direct amidation of poly(gamma-glutamic acid) with benzylamine in dimethyl sulfoxide.

abstract：:Two kinds of regioselectively substituted cellulose derivatives, i.e., 6-O-triphenylmethylcellulose (6TC) and 2,3-di-O-acetyl-6-O-triphenylmethylcellulose (2,3Ac6TC), were prepared via cellulose. In these samples, C-6 position hydroxyls in the anhydroglucose units (AGU) along the cellulose chain were selectively subst...

journal_title：Biomacromolecules

authors： Tsunashima Y,Hattori K,Kawanishi H,Horii F

更新日期：2001-10-01 00:00:00

abstract：:The oxidation reaction of regenerated cellulose fibers mediated by N-hydroxyphthalimide (NHPI) and various cocatalysts at room temperature for different time intervals and various amounts of low concentration sodium hypochlorite solution has been investigated to produce oxidized cellulose (OC), a biocompatible and bio...

journal_title：Biomacromolecules

authors： Coseri S,Nistor G,Fras L,Strnad S,Harabagiu V,Simionescu BC

更新日期：2009-08-10 00:00:00

abstract：:A three-dimensional structure consisting of poly(ε-caprolactone) (PCL) nanofibers covered by periodically spaced PCL crystal lamellae, a self-induced nanohybrid shish-kebab (SINSK) structure, was created using electrospinning followed by a self-induced crystallization. The resulting structure that resembles the nanoto...

journal_title：Biomacromolecules

authors： Wang X,Salick MR,Wang X,Cordie T,Han W,Peng Y,Li Q,Turng LS

更新日期：2013-10-14 00:00:00

abstract：:Neutral cellulose nanocrystals dispersed in water were shown in a previous work to stabilize oil/water interfaces and produce Pickering emulsions with outstanding stability, whereas sulfated nanocrystals obtained from cotton did not show interfacial properties. To develop a better understanding of the stabilization me...

journal_title：Biomacromolecules

authors： Kalashnikova I,Bizot H,Cathala B,Capron I

更新日期：2012-01-09 00:00:00

abstract：:Receptor-mediated, cell-specific delivery of siRNA enables silencing of target genes in specific tissues, opening the door to powerful therapeutic options for a multitude of diseases. However, the development of delivery systems capable of targeted and effective siRNA delivery typically requires multiple steps and the...

journal_title：Biomacromolecules

authors： Benoit DS,Srinivasan S,Shubin AD,Stayton PS

更新日期：2011-07-11 00:00:00

abstract：:High internal phase emulsion (HIPE)-templating is an attractive method of producing high porosity polymer foams with tailored pore structure, pore size and porosity. However, this method typically requires the use of large amounts of surfactants to stabilize the immiscible liquid phases, and polymerizable monomers/cro...

journal_title：Biomacromolecules

authors： Oh BH,Bismarck A,Chan-Park MB

更新日期：2014-05-12 00:00:00

abstract：:The remarkable diversity of the self-assembly behavior of PEG-peptides is reviewed, including self-assemblies formed by PEG-peptides with β-sheet and α-helical (coiled-coil) peptide sequences. The modes of self-assembly in solution and in the solid state are discussed. Additionally, applications in bionanotechnology a...

journal_title：Biomacromolecules

authors： Hamley IW

更新日期：2014-05-12 00:00:00

abstract：:Two organosolv lignins from different origins, namely, almond shells and maritime pine, were modified by using a nanoclay and nanosilicate. Prior to modification, they were activated via glyoxalation to enhance the reactivity of the lignins and thus ease the introduction of the nanoparticles into their structure. The ...

journal_title：Biomacromolecules

authors： de Hoyos-Martínez PL,Robles E,Khoukh A,Charrier-El Bouhtoury F,Labidi J

更新日期：2019-09-09 00:00:00

abstract：:A scanning laser system has been used to generate three-dimensional trimethylolpropane trimethacrylate (TRIM) cross-linked poly(2-hydroxylethyl methacrylate) polymer microstructures through azo-bis(isobutyro)nitrile (AIBN) photopolymerization using a 20 x 0.5 NA microscope objective and 365 nm laser excitation. Macrop...

journal_title：Biomacromolecules

authors： Northen TR,Brune DC,Woodbury NW

更新日期：2006-03-01 00:00:00

abstract：:The detection of phase separation and identification of miscibility in biopolymer blends is an important aspect for the improvement of their physical properties. In this article, the phase separation in blends of poly(3-hydroxybutyrate) (PHB) with poly(L-lactic acid) (PLA) and poly(epsilon-caprolactone) (PCL), respect...

journal_title：Biomacromolecules

authors： Vogel C,Wessel E,Siesler HW

更新日期：2008-02-01 00:00:00

abstract：:Injectable hydrogels based on extracellular matrix-derived polymers show much promise in the field of tissue engineering and regenerative medicine. However, the hydrogels reported to date have at least one characteristic that limits their potential for clinical use, such as excessive swelling, complicated and potentia...

journal_title：Biomacromolecules

authors： Pupkaite J,Rosenquist J,Hilborn J,Samanta A

更新日期：2019-09-09 00:00:00

abstract：:Hydrogel scaffolds are used in biomedicine to study cell differentiation and tissue evolution, where it is critical to control the delivery of chemical cues both spatially and temporally. While large molecules can be physically entrapped in a hydrogel, moderate molecular weight therapeutics must be tethered to the hyd...

journal_title：Biomacromolecules

authors： Griffin DR,Schlosser JL,Lam SF,Nguyen TH,Maynard HD,Kasko AM

更新日期：2013-04-08 00:00:00

abstract：:Effects of molecular weight (Lc) and field strength (E) on conformation of polymer chains and their density are investigated at the surface and bulk of a driven chain system in three dimensions with a Monte Carlo simulation. As the polymer chains deposit on the surface, a linear density gradient develops in low field....

journal_title：Biomacromolecules

authors： Foo GM,Pandey RB

更新日期：2000-10-01 00:00:00

abstract：:The development of polymers that are both bactericidal and biocompatible would have many applications and are currently of research interest. Following the development of strongly bactericidal copolymers of 4-vinylpyridine and poly(ethylene glycol) methyl ether methacrylate, biocompatibility assays have been completed...

journal_title：Biomacromolecules

authors： Stratton TR,Howarter JA,Allison BC,Applegate BM,Youngblood JP

更新日期：2010-05-10 00:00:00

abstract：:pH-dependent release from monoolein (MO) cubic phase was obtained by taking advantage of complex coacervation between hydrophobically modified alginate (HmAL) and hydrophobically modified silk fibroin (HmSF) in the water channels. The degree of coacervation was investigated at pH 3.0 by a light scattering method and t...

journal_title：Biomacromolecules

authors： Kwon TK,Kim JC

更新日期：2011-02-14 00:00:00

abstract：:In the present contribution, two-dimensional ATR-FTIR spectroscopy was used to study the diffusion of water in poly(epsilon-caprolactone) (PCL). In the spectral region of the nu(OH) stretching vibration of water, four absorption bands (3635, 3560, 3411, and 3220 cm(-1)) can be identified. The higher wavenumber band pa...

journal_title：Biomacromolecules

authors： Peng Y,Wu P,Siesler HW

更新日期：2003-07-01 00:00:00

abstract：:A well-defined fluorescent conjugated polyfluorene with pendant lactopyranosyl ligands was easily prepared through Cu(I)-catalyzed azide/alkyne "click" ligation and Suzuki coupling polymerization. As a fluorescent multivalent model system of glycoconjugates, the polymer was first used for studies of metal ion-mediated...

journal_title：Biomacromolecules

authors： Chen Q,Cui Y,Zhang TL,Cao J,Han BH

更新日期：2010-01-11 00:00:00

abstract：:We study the self-assembly of genetically engineered protein-based triblock copolymers consisting of a central pH-responsive silk-like middle block (S(H)n, where S(H) is a silk-like octapeptide, (GA)3GH and n is the number of repeats) flanked by hydrophilic random coil outer blocks (C2). Our previous work has already ...

journal_title：Biomacromolecules

authors： Beun LH,Storm IM,Werten MW,de Wolf FA,Cohen Stuart MA,de Vries R

更新日期：2014-09-08 00:00:00

abstract：:Coniferyl alcohol was polymerized in pectin solution in order to mimic the lignification that is the final step of biosynthesis of plant cell wall. Dehydrogenated polymers (DHP = coniferyl alcohol polymers = synthetic lignin) interact with pectin to form hydrophobic clusters as monitored by pyrene fluorescence spectro...

journal_title：Biomacromolecules

authors： Lairez D,Cathala B,Monties B,Bedos-Belval F,Duran H,Gorrichon L

更新日期：2005-03-01 00:00:00

abstract：:This investigation describes the formulation and characterization of rheologically structured vehicles (RSVs) designed for improved drug delivery to the vagina. Interactive, multicomponent, polymeric platforms were manufactured containing hydroxyethylcellulose (HEC, 5% w/w) polyvinylpyrrolidone (PVP, 4% w/w), Pluronic...

journal_title：Biomacromolecules

authors： Andrews GP,Donnelly L,Jones DS,Curran RM,Morrow RJ,Woolfson AD,Malcolm RK

更新日期：2009-09-14 00:00:00

abstract：:Cellulose is the most familiar and most abundant strong biopolymer, but the reasons for its outstanding mechanical performance are not well understood. Each glucose unit in a cellulose chain is joined to the next by a covalent C-O-C linkage flanked by two hydrogen bonds. This geometry suggests some form of cooperativi...

journal_title：Biomacromolecules

authors： Altaner CM,Thomas LH,Fernandes AN,Jarvis MC

更新日期：2014-03-10 00:00:00

abstract：:The influence of 2,2,6,6-tetrametylpiperidine-1-oxyl (TEMPO)-mediated oxidation of wood cellulose and the mechanical disintegration of oxidized cellulose in water on degree of polymerization determined by viscosity measurement (DP(v)) and the apparent length of the TEMPO-oxidized cellulose nanofibrils (TOCNs) was inve...

journal_title：Biomacromolecules

authors： Shinoda R,Saito T,Okita Y,Isogai A

更新日期：2012-03-12 00:00:00

abstract：:Amphiphilic ABC triblock copolymers composed of monomethoxy-capped poly(ethylene glycol) (MPEG), poly(2-(dimethylamino)ethyl methacrylate) (DMA), and poly(2-(diethylamino)ethyl methacrylate) (DEA) have been synthesized by atom transfer radical polymerization (ATRP). These copolymers dissolve molecularly in acidic aque...

journal_title：Biomacromolecules

authors： Tang Y,Liu SY,Armes SP,Billingham NC

更新日期：2003-11-01 00:00:00

abstract：:Gastric mucin, a high molecular weight glycoprotein, is responsible for providing the gel-forming properties and protective function of the gastric mucus layer. Bulk rheology measurements in the linear viscoelastic regime show that gastric mucin undergoes a pH-dependent sol-gel transition from a viscoelastic solution ...

journal_title：Biomacromolecules

authors： Celli JP,Turner BS,Afdhal NH,Ewoldt RH,McKinley GH,Bansil R,Erramilli S

更新日期：2007-05-01 00:00:00

abstract：:We examine the protein distribution within an electrospun polymer nanofiber using polyvinyl alcohol and bovine serum albumin as a model system. We hypothesize that the location of the protein within the nanofiber can be controlled by carefully selecting the pH and the applied polarity of the electric field as the pH a...

journal_title：Biomacromolecules

authors： Tang C,Ozcam AE,Stout B,Khan SA

更新日期：2012-05-14 00:00:00

abstract：:Neutron reflectometry was used to investigate the time-dependent beta-casein adsorption at the silica-aqueous solution interface. The transient and steady-state structural characteristics of the adsorbed layer were determined from reflectivity curves, fitted to three-layer and two-layer models. The results show that t...

journal_title：Biomacromolecules

authors： Tiberg F,Nylander T,Su TJ,Lu JR,Thomas RK

更新日期：2001-10-01 00:00:00

abstract：:Inspired by tea stains, plant polyphenolic tannic acid (TA) was beneficially employed as the primer anchor for functional polymer brushes. The brominated TA (TABr) initiator primer was synthesized by partial modification of TA with alkyl bromide functionalities. TABr with trihydroxyphenyl moieties can readily anchor o...

journal_title：Biomacromolecules

authors： Pranantyo D,Xu LQ,Neoh KG,Kang ET,Ng YX,Teo SL

更新日期：2015-03-09 00:00:00

abstract：:Ozonolysis of methyl soyate (biodiesel) was conducted in the presence of methanol, dichloromethane (solvent), and triethylamine (catalyst) at -75 degrees C. Structural analysis, including FTIR, GC, and GC-MS, showed that the total amount of double bonds in the mixture was reduced by more than 90% after 2 h of ozonolys...

journal_title：Biomacromolecules

authors： Baber TM,Graiver D,Lira CT,Narayan R

更新日期：2005-05-01 00:00:00

abstract：:Ocular applications of polymeric materials have been widely investigated for medical diagnostics, treatment, and vision improvement. The human eye is a vital organ that connects us to the outside world so when the eye is injured, infected, or impaired, it needs immediate medical treatment to maintain clear vision and ...

journal_title：Biomacromolecules

authors： Karayilan M,Clamen L,Becker ML

更新日期：2021-01-06 00:00:00

abstract：:The objective of this study was to explore the use of reverse thermo-responsive (RTG) polymers for generating implants at their site of performance, following minimally invasive surgical procedures. Aiming at combining syringability and enhanced mechanical properties, a new family of injectable RTG-displaying polymers...

journal_title：Biomacromolecules

authors： Cohn D,Sosnik A,Garty S

更新日期：2005-05-01 00:00:00