Design and synthesis of nonionic copolypeptide hydrogels with reversible thermoresponsive and tunable physical properties.

abstract：:A series of alginates isolated from the stem and leaf of a brown algae (Laminaria hyperborea), bacterial mannuronan, in vitro epimerized mannuronans, and periodate oxidized alginates were analyzed by size-exclusion chromatography (SEC) combined with online multiangle laser light scattering (MALS) and viscometry (colle...

journal_title：Biomacromolecules

authors： Vold IM,Kristiansen KA,Christensen BE

更新日期：2006-07-01 00:00:00

abstract：:Forisomes are protein polymers found in leguminous plants that have the remarkable ability to undergo reversible "muscle-like" contractions in the presence of divalent cations and in extreme pH environments. To gain insight into the molecular basis of forisome structure and assembly, we used confocal laser scanning mi...

journal_title：Biomacromolecules

authors： Groscurth S,Müller B,Schwan S,Menzel M,Diekstall F,Senft M,Kendall A,Kommor BA,Neumann U,Kalischuk M,Kawchuk LM,Krzyzanek V,Heilmann A,Stubbs G,Twyman RM,Prüfer D,Noll GA

更新日期：2012-10-08 00:00:00

abstract：:Structures of three pectic arabinogalactans, one from Vernonia kotschyana (Vk2a) and two from Cochlospermum tinctorium (Ct50A1 and Ct50A2), and their complement fixation and induction of B cell proliferation in vitro were compared. The polysaccharide Vk2a expressed potent biological activity in both assays compared wi...

journal_title：Biomacromolecules

authors： Nergard CS,Kiyohara H,Reynolds JC,Thomas-Oates JE,Matsumoto T,Yamada H,Patel T,Petersen D,Michaelsen TE,Diallo D,Paulsen BS

更新日期：2006-01-01 00:00:00

abstract：:The copper(II) complex formation equilibria of N-(2-carboxyethyl)chitosans with three different degrees of substitution (DS = 0.42, 0.92, and 1.61) were studied in aqueous solution by pH-potentiometric and UV-spectrophotometric techniques. It was demonstrated that the complexation model of CE-chitosans depends on DS: ...

journal_title：Biomacromolecules

authors： Skorik YA,Gomes CA,Podberezskaya NV,Romanenko GV,Pinto LF,Yatluk YG

更新日期：2005-01-01 00:00:00

abstract：:We report an enzyme-based method for the in situ entrapment of cells within a biopolymeric hydrogel matrix. Specifically, we used a calcium-independent microbial transglutaminase that is known to cross-link proteins and observed that it catalyzes the formation of gels from a pre-gel solution containing 10% gelatin and...

journal_title：Biomacromolecules

authors： Chen T,Small DA,McDermott MK,Bentley WE,Payne GF

更新日期：2003-11-01 00:00:00

abstract：:These studies illustrate synthetic paths to covalently attach T1 and Φ11 bacteriophages (phages) to inert polymeric surfaces while maintaining the bacteriophage's biological activities capable of killing deadly human pathogens. The first step involved the formation of acid (COOH) groups on polyethylene (PE) and polyte...

journal_title：Biomacromolecules

authors： Pearson HA,Sahukhal GS,Elasri MO,Urban MW

更新日期：2013-05-13 00:00:00

abstract：:We utilize an aqueous extract of fish proteins (FPs) as a coating for minimizing the adsorption of fibrinogen (Fg) and human serum albumin (HSA). The surfaces include stainless steel (SS), gold (Au), silicon dioxide (SiO(2)), and poly(styrene) (PS). The adsorption processes (kinetics and adsorbed mass) are followed by...

journal_title：Biomacromolecules

authors： Pillai S,Arpanaei A,Meyer RL,Birkedal V,Gram L,Besenbacher F,Kingshott P

更新日期：2009-10-12 00:00:00

abstract：:Hydrogels are promising materials for biomedical applications such as tissue engineering and controlled drug release. In the past two decades, the peptide hydrogel subclass has attracted an increasing level of interest from the scientific community because of its numerous advantages, such as biocompatibility, biodegra...

journal_title：Biomacromolecules

authors： Oyen E,Martin C,Caveliers V,Madder A,Van Mele B,Hoogenboom R,Hernot S,Ballet S

更新日期：2017-03-13 00:00:00

abstract：:To develop a safe, effective, and biocompatible gene delivery vector, a series of hydrophobic amino acid grafted chitosan (AGC) derivatives were synthesized by carbodiimide mediated coupling reaction. Chemical characterization of AGC polymers was performed by NMR and elemental analysis. AGC polymers demonstrated excel...

journal_title：Biomacromolecules

authors： Layek B,Singh J

更新日期：2013-02-11 00:00:00

abstract：:We show the first example of a synergic approach of oxidant (ROS) scavenging carrier and ROS-responsive drug release in the context of a potential therapy against osteoporosis, aiming to inhibit the differentiation of inflammatory cells into osteoclasts. In our "tandem" approach, a branched amphiphilic, PEGylated poly...

journal_title：Biomacromolecules

authors： El Mohtadi F,d'Arcy R,Burke J,Rios De La Rosa JM,Gennari A,Marotta R,Francini N,Donno R,Tirelli N

更新日期：2020-02-10 00:00:00

abstract：:Plastics ending up in soil or landfill environment will eventually be degraded. At the same time a slow migration of additives from the plastics will occur. The additives and the degradation products of these and the polymer are potential compounds for bioconversion. To predict the rate of the migration of antioxidant...

journal_title：Biomacromolecules

authors： Haider N,Karlsson S

更新日期：2000-10-01 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：:Herein we report the synthesis of biodegradable hyperbranched polyglycerols (BHPGs) having acid-cleavable core structure by anionic ring-opening multibranching polymerization (ROMBP) of glycidol using initiators bearing dimethyl and cyclohexyl ketal groups. Five different multifunctional initiators carrying one to fou...

journal_title：Biomacromolecules

authors： Shenoi RA,Lai BF,Kizhakkedathu JN

更新日期：2012-10-08 00:00:00

abstract：:The coefficient of thermal expansion (CTE) of cellulose nanocrystal (CNC) films was characterized using novel experimental techniques complemented by molecular simulations. The characteristic birefringence exhibited by CNC films was utilized to calculate the in-plane CTE of self-organized and shear-oriented self-stand...

journal_title：Biomacromolecules

authors： Diaz JA,Wu X,Martini A,Youngblood JP,Moon RJ

更新日期：2013-08-12 00:00:00

abstract：:This paper describes the synthesis and characterization of polymer-peptide conjugates to be used as infection-resistant coating for biomaterial implants and devices. Antiadhesive polymer brushes composed of block copolymer Pluronic F-127 (PF127) were functionalized with antimicrobial peptides (AMP), able to kill bacte...

journal_title：Biomacromolecules

authors： Muszanska AK,Rochford ET,Gruszka A,Bastian AA,Busscher HJ,Norde W,van der Mei HC,Herrmann A

更新日期：2014-06-09 00:00:00

abstract：:The gold standard for implant metals is titanium, and coatings such as collagen-I, RGD-peptide, chondroitin sulfate, and calcium phosphate have been used to modify its biocompatibility. We investigated how titanium coated with pectins, adaptable bioactive plant polysaccharides with anti-inflammatory effects, supports ...

journal_title：Biomacromolecules

authors： Kokkonen H,Cassinelli C,Verhoef R,Morra M,Schols HA,Tuukkanen J

更新日期：2008-09-01 00:00:00

abstract：:Poly(L-lactide)-based microspheres having cationic or anionic surfaces were prepared using polydepsipeptide-block-poly(L-lactide)s as surfactants. Polydepsipeptide-block-poly(L-lactide)s having amino or carboxylic acid groups on their side chains were synthesized through anionic ring-opening polymerizations of L-lacti...

journal_title：Biomacromolecules

authors： Ouchi T,Toyohara M,Arimura H,Ohya Y

更新日期：2002-09-01 00:00:00

abstract：:Given the significance of hydrogels as cell-instructive materials, it is important to understand how differences in their chemical and physical properties are able to direct cell fate. For example, it remains unclear how different hydrogel cross-linking chemistries and gelation mechanisms influence cell behavior. Here...

journal_title：Biomacromolecules

authors： Loebel C,Szczesny SE,Cosgrove BD,Alini M,Zenobi-Wong M,Mauck RL,Eglin D

更新日期：2017-03-13 00:00:00

abstract：:The aggregation of meso-tetra(4-sulfonatophenyl)porphyrin (H(2)TPPS(4-)) in phosphate solutions was investigated as a function of pH, concentration, time, ionic strength, and solution preparation (either from dilution of a freshly prepared 2 mM stock or by direct preparation of μM solution concentrations) using a comb...

journal_title：Biomacromolecules

authors： Hollingsworth JV,Richard AJ,Vicente MG,Russo PS

更新日期：2012-01-09 00:00:00

abstract：:It is recognized that topographical features such as ridges and grooves can dramatically influence cell phenotype, motivating the development of substrates with precisely biomimetic topography for study of the influence on cultured cells. Intestinal basement membrane topography has been precisely replicated using plas...

journal_title：Biomacromolecules

authors： Pfluger CA,Burkey DD,Wang L,Sun B,Ziemer KS,Carrier RL

更新日期：2010-06-14 00:00:00

abstract：:Escherichia coli serogroup O5 comprises two different subgroups (O5ab and O5ac), which are indiscernible from the point of view of standard immunological serotyping. The structural similarities between the O-antigen polysaccharides (PSs) of these two strains are remarkable, with the only difference being the glycosidi...

journal_title：Biomacromolecules

authors： Sarkar A,Fontana C,Imberty A,Pérez S,Widmalm G

更新日期：2013-07-08 00:00:00

abstract：:Chitosan is a well sought-after polysaccharide in biomedical applications and has been blended with various macromolecules to mitigate undesirable properties. However, the effects of blending on the unique antibacterial activity of chitosan as well as changes in fatigue and degradation properties are not well understo...

journal_title：Biomacromolecules

authors： Sarasam AR,Krishnaswamy RK,Madihally SV

更新日期：2006-04-01 00:00:00

abstract：:Multicomponent poly(ethylene glycol) (PEG) brushes (i.e., ≥ 2 adjacent PEG brushes) can be used to engineer culture substrates with microscale, nonfouling regions decorated with covalently immobilized ligands that mediate biospecific interactions. However, synthesizing such brushes with orthogonal immobilization chemi...

journal_title：Biomacromolecules

authors： Sha J,Lippmann ES,McNulty J,Ma Y,Ashton RS

更新日期：2013-09-09 00:00:00

abstract：:Antifreeze glycoproteins (AFGPs) are a subclass of biological antifreezes found in deep sea Teleost fish. These compounds have the ability to depress the freezing point of the organism such that it can survive the subzero temperatures encountered in its environment. This physical property is very attractive for the cr...

journal_title：Biomacromolecules

authors： Liu S,Wang W,Moos Ev,Jackman J,Mealing G,Monette R,Ben RN

更新日期：2007-05-01 00:00:00

abstract：:This study clarifies the contribution to overall osmotic kinetics of colloid osmotic pressure (Pi) and the interaction of synthetic colloids with the membrane. Solutions (6%) of dextran with weight average molecular weight (MW(w)) 68 800 (DEX 70), dextran with MW(w) 40 000 (DEX 40), hydroxyethyl starch with MW(w) 70 0...

journal_title：Biomacromolecules

authors： Tatara T,Tashiro C

更新日期：2005-05-01 00:00:00

abstract：:We investigate lysozyme-lysozyme and lysozyme-salt interactions in electrolyte solutions using a molecular-thermodynamic model. An equation of state based on the statistical mechanical perturbation theory is applied to describe the interactions. The perturbation term includes a new square-well potential of mean force,...

journal_title：Biomacromolecules

authors： Chang BH,Bae YC

更新日期：2003-11-01 00:00:00

abstract：:PLGA nanoparticles are among the most studied polymer nanoformulations for several drugs against different kinds of malignant diseases, thanks to their in vivo stability and tumor localization exploiting the well-documented "enhanced permeation and retention" (EPR) effect. In this paper, we have developed uniform curc...

journal_title：Biomacromolecules

authors： Verderio P,Bonetti P,Colombo M,Pandolfi L,Prosperi D

更新日期：2013-03-11 00:00:00

abstract：:Softwood and hardwood celluloses were oxidized by 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO)-mediated oxidation. The TEMPO-oxidized cellulose fibers were converted to transparent dispersions in water, which consisted of individual nanofibers 3-4 nm in width. Films were then prepared from the TEMPO-oxidized c...

journal_title：Biomacromolecules

authors： Fukuzumi H,Saito T,Iwata T,Kumamoto Y,Isogai A

更新日期：2009-01-12 00:00:00

abstract：:In this work, cell-responsive polysaccharide hydrogels were prepared by a simple procedure based on the sequential bioconjugation and cross-linking of the polysaccharide backbone with bioactive peptides and poly(ethylene glycol)-bis(thiol) (PEG-(SH)2), respectively. Using thiol-ene reactions, we successfully functiona...

journal_title：Biomacromolecules

authors： Jing J,Fournier A,Szarpak-Jankowska A,Block MR,Auzély-Velty R

更新日期：2015-03-09 00:00:00

abstract：:l-Proline is the only, out of 20 essential, amino acid that contains a cyclized substituted α-amino group (is formally an imino acid), which restricts its conformational shape. The synthesis of well-defined homo- and copolymers of l-proline has been plagued either by the low purity of the monomer or the inability of m...

journal_title：Biomacromolecules

authors： Gkikas M,Iatrou H,Thomaidis NS,Alexandridis P,Hadjichristidis N

更新日期：2011-06-13 00:00:00