PGSE-NMR and SANS studies of the interaction of model polymer therapeutics with mucin.

abstract：:A simple, sequential approach for creation of hydrolytically degradable poly(ethylene glycol) (PEG) hydrogels has been developed and characterized. The chemistry involves an initial step growth polymerization reaction between PEG-diacrylate and dithiothreitol (DTT) to form acrylate-terminated (-PEG-DTT-)n PEG chains, ...

journal_title：Biomacromolecules

authors： Hudalla GA,Eng TS,Murphy WL

更新日期：2008-03-01 00:00:00

abstract：:The mechanical and melt flow properties of two thermoplastic potato starch materials with different amylose contents were evaluated. The materials were prepared by mixing starch, glycerol, and water, mainly in the weight proportions of 10:3:4.5. Compression molding was used to produce sheets/films with a thickness in ...

journal_title：Biomacromolecules

authors： Thunwall M,Boldizar A,Rigdahl M

更新日期：2006-03-01 00:00:00

abstract：:Water-soluble conjugated polymers (WCPs) composed of a hydrophobic polythiophene main chain with hydrophilic tertiary amine side-chains can directly self-assemble into sphere-like nano-objects in an aqueous solution due to phase separation between the hydrophilic and hydrophobic segments of the polymeric structure. Du...

journal_title：Biomacromolecules

authors： Cheng CC,Lai YC,Shieh YT,Chang YH,Lee AW,Chen JK,Lee DJ,Lai JY

更新日期：2020-12-14 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：:Dragline silk from orb-weaving spiders is a copolymer of two large proteins, major ampullate spidroin 1 (MaSp1) and 2 (MaSp2). The ratio of these proteins is known to have a large variation across different species of orb-weaving spiders. NMR results from gland material of two different species of spiders, N. clavipe...

journal_title：Biomacromolecules

authors： An B,Jenkins JE,Sampath S,Holland GP,Hinman M,Yarger JL,Lewis R

更新日期：2012-12-10 00:00:00

abstract：:Collagen fibrils were obtained in vitro by aggregation from acid-soluble type I collagen at different initial concentrations and with the addition of decorin core or intact decorin. All specimens were observed by scanning electron microscopy and atomic force microscopy. In line with the findings of other authors, lack...

journal_title：Biomacromolecules

authors： Raspanti M,Viola M,Sonaggere M,Tira ME,Tenni R

更新日期：2007-07-01 00:00:00

abstract：:In biomedicine, PEGylation is one of the most successful strategies to modify the physicochemical and biological properties of peptides, proteins, and other biomacromolecules. Because of the polydisperse nature of regular PEGs and limited PEGylation strategies, it is challenging to quantitatively fine-tune and accurat...

journal_title：Biomacromolecules

authors： Wang X,Li Y,Wu T,Yang Z,Zheng X,Chen S,Zhou X,Jiang ZX

更新日期：2020-02-10 00:00:00

abstract：:Previously, we have shown that the amphiphilic decyl esters of both D- and L-tyrosine (DELT) self-assemble in aqueous solution above their critical micelle concentration values to form long rodlike structures that can be enzymatically polymerized. In the current study, we have examined the self-assembled structures of...

journal_title：Biomacromolecules

authors： Marx KA,Lee JS,Sung C

更新日期：2004-09-01 00:00:00

abstract：:Polycations often suffer from the irreconcilable inconsistency between transfection efficiency and toxicity. Polymers with high molecular weight (MW) and cationic charge feature potent gene delivery capabilities, while in the meantime suffer from strong chemotoxicity, restricted intracellular DNA release, and low stab...

journal_title：Biomacromolecules

authors： He H,Bai Y,Wang J,Deng Q,Zhu L,Meng F,Zhong Z,Yin L

更新日期：2015-04-13 00:00:00

abstract：:The development of large-scale suspension cell cultures using microcarriers has long been a focus of attention in the fields of pharmacy and biotechnology. Previously, we developed cell-detachable microcarriers based on temperature-responsive poly(N-isopropylacrylamide) (PIPAAm)-grafted beads, on which adhering cells ...

journal_title：Biomacromolecules

authors： Tamura A,Nishi M,Kobayashi J,Nagase K,Yajima H,Yamato M,Okano T

更新日期：2012-06-11 00:00:00

abstract：:This paper shows a simple and effective way to avoid the dissociation of multimeric enzymes by coating their surface with a large cationic polymer (e.g., polyethylenimine (PEI)) by ionic exchange. As model enzymes, glutamate dehydrogenase (GDH) from Thermus thermophilus and formate dehydrogenase (FDH) from Pseudomonas...

journal_title：Biomacromolecules

authors： Bolivar JM,Rocha-Martin J,Mateo C,Cava F,Berenguer J,Fernandez-Lafuente R,Guisan JM

更新日期：2009-04-13 00:00:00

abstract：:Articular cartilage defects, caused by trauma, osteoarthritis, or other diseases, always lead to severe joint pain and joint dysfunction. Without access to progenitor cells and the supply of blood and nutrients, the impaired articular cartilage would be short of the capability to self-repair. Although the present clin...

journal_title：Biomacromolecules

authors： Zhang Y,Yu J,Ren K,Zuo J,Ding J,Chen X

更新日期：2019-04-08 00:00:00

abstract：:The structure of an extracellular polysaccharide (EPS) from Streptococcus thermophilus THS has been determined. A combination of component analysis, methylation analysis and NMR spectroscopy shows that the polysaccharide is composed of pentasaccharide repeating units. Sequential information was obtained by two-dimensi...

journal_title：Biomacromolecules

authors： Nordmark EL,Yang Z,Huttunen E,Widmalm G

更新日期：2005-01-01 00:00:00

abstract：:We described the preparation of the glycol chitosan/heparin immobilized iron oxide nanoparticles (composite NPs) as a magnetic resonance imaging agent with a tumor-targeting characteristic. The iron oxide nanoseeds used clinically as a magnetic resonance imaging agent were immobilized into the glycol chitosan/heparin ...

journal_title：Biomacromolecules

authors： Yuk SH,Oh KS,Cho SH,Lee BS,Kim SY,Kwak BK,Kim K,Kwon IC

更新日期：2011-06-13 00:00:00

abstract：:Several alternatives to the conventional alginate beads formulation were studied for encapsulation of invertase. Pectin was added to the alginate/enzyme solution while trehalose and β-cyclodextrin were added to the calcium gelation media. The effect of composition changes, freezing, drying methods (freeze, vacuum, or ...

journal_title：Biomacromolecules

authors： Santagapita PR,Mazzobre MF,Buera MP

更新日期：2011-09-12 00:00:00

abstract：:Amino acid-based poly(ester urea) (PEU) copolymers functionalized with pendant catechol groups that address the need for strongly adhesive yet degradable biomaterials have been developed. Lap-shear tests with aluminum adherends demonstrated that these polymers have lap-shear adhesion strengths near 1 MPa. An increase ...

journal_title：Biomacromolecules

authors： Zhou J,Defante AP,Lin F,Xu Y,Yu J,Gao Y,Childers E,Dhinojwala A,Becker ML

更新日期：2015-01-12 00:00:00

abstract：:Poly( n-butyl methacrylate) (PBMA) or poly( n-butyl acrylate) (PBA)-grafted brush coatings attached to glass were successfully prepared using atom-transfer radical polymerization "from the surface". The thicknesses and composition of the PBMA and PBA coatings were examined using ellipsometry and time-of-flight seconda...

journal_title：Biomacromolecules

authors： Awsiuk K,Stetsyshyn Y,Raczkowska J,Lishchynskyi O,Dąbczyński P,Kostruba A,Ohar H,Shymborska Y,Nastyshyn S,Budkowski A

更新日期：2019-06-10 00:00:00

abstract：:The ability to adopt at least two different stable conformations is a common feature of proteins involved in many neurodegenerative diseases. The involved molecules undergo a conformational transition from native, mainly helical states to insoluble amyloid structures that have high β-sheet content. A detailed characte...

journal_title：Biomacromolecules

authors： Gerling UI,Brandenburg E,von Berlepsch H,Pagel K,Koksch B

更新日期：2011-08-08 00:00:00

abstract：:In a previous study, we have reported chemical synthesis of novel aliphatic poly(butylene succinate-co-cyclic carbonate) P(BS-co-CC)s bearing various functionalizable carbonate building blocks, and this work will continue to present our new studies on their enzymatic degradation and in vitro cell biocompatibility assa...

journal_title：Biomacromolecules

authors： Yang J,Tian W,Li Q,Li Y,Cao A

更新日期：2004-11-01 00:00:00

abstract：:Cellulose and starch nanocrystals obtained from the acid hydrolysis of ramie fibers and waxy maize starch granules, respectively, were subjected to isocyanate-mediated reaction to graft polycaprolactone (PCL) chains with various molecular weights on their surface. Grafted nanoparticles were characterized by X-ray diff...

journal_title：Biomacromolecules

authors： Habibi Y,Dufresne A

更新日期：2008-07-01 00:00:00

abstract：:Poloxamer thermoresponsive gels are widely explored in controlled drug delivery. Nevertheless, these gels possess inadequate mechanical properties, poor bioadhesiveness, and high permeability to water. To overcome these issues, we blended mucoadhesive hyaluronic acid (HA) with poloxamer analogs. This study aimed to in...

journal_title：Biomacromolecules

authors： Mayol L,Biondi M,Quaglia F,Fusco S,Borzacchiello A,Ambrosio L,La Rotonda MI

更新日期：2011-01-10 00:00:00

abstract：:Biofilm formation, in which bacteria are embedded within an extracellular matrix, is the default form of microbial life in most natural and engineered habitats. In this work, atomistic molecular dynamics simulations were employed to examine the self-assembly of the polysaccharide Granulan to provide insight into the m...

journal_title：Biomacromolecules

authors： Seviour T,Malde AK,Kjelleberg S,Yuan Z,Mark AE

更新日期：2012-06-11 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：:A series of chitosan/chitin samples with DA's varying between 5.2 and 89% was prepared from the reacetylation under soft conditions of a unique chitosan sample allowing the preservation of the chain distribution. The study of the variation of pH for the same concentration of amine groups, at different ionic strengths,...

journal_title：Biomacromolecules

authors： Sorlier P,Denuzière A,Viton C,Domard A

更新日期：2001-10-01 00:00:00

abstract：:Synthetic spider silk holds great potential for use in various applications spanning medical uses to ultra lightweight armor; however, producing synthetic fibers with mechanical properties comparable to natural spider silk has eluded the scientific community. Natural dragline spider silks are commonly made from protei...

journal_title：Biomacromolecules

authors： Jenkins JE,Creager MS,Lewis RV,Holland GP,Yarger JL

更新日期：2010-01-11 00:00:00

abstract：:In this study, we demonstrate for the first time the fabrication of carboxylated chitosan nanocrystals (ChsNC) with high degree of deacetylation (DDA) at >80% and narrow size distribution. We also studied its application as a sustainable support material for metal-based catalysts. Carboxylated chitin nanocrystals (ChN...

journal_title：Biomacromolecules

authors： Jin T,Kurdyla D,Hrapovic S,Leung ACW,Régnier S,Liu Y,Moores A,Lam E

更新日期：2020-06-08 00:00:00

abstract：:The main objective of the present work was the development of new nanoparticulate carrier systems for the delivery of plasmid DNA. These new carriers consist of a blend matrix formed by a poly(lactic-co-glycolic acid) (PLGA) copolymer and polyoxyethylene derivatives. More specifically, we have prepared nanostructures ...

journal_title：Biomacromolecules

authors： Csaba N,Caamaño P,Sánchez A,Domínguez F,Alonso MJ

更新日期：2005-01-01 00:00:00

abstract：:The drying dynamics of protein coatings is of importance for many applications. The main focus of research so far was to investigate macroscopic properties of protein coatings, leaving drying dynamics virtually unexplored. A unique combination of techniques is used to monitor drying of a coating containing the protein...

journal_title：Biomacromolecules

authors： Bouman J,de Vries R,Venema P,Belton P,Baukh V,Huinink HP,van der Linden E

更新日期：2015-01-12 00:00:00

abstract：:The maintenance of hepatocyte phenotype and functions remains as a great challenge in the generation of functional liver tissue and in vitro model for drug metabolism studies. The use of hepatocyte coculture systems plays essential roles in the establishment of cell-cell and cell-extracellular matrix communications si...

journal_title：Biomacromolecules

authors： Liu Y,Li H,Yan S,Wei J,Li X

更新日期：2014-03-10 00:00:00

abstract：:A series of poly(vinyl alcohol) amphiphilic derivatives have been prepared to obtain polymeric aggregates in aqueous phase holding thermodynamic instability. The aim was to evaluate their ability to interact with tumor cells eliciting selective cytotoxicity. The poly(vinyl alcohol) derivatives were prepared by partial...

journal_title：Biomacromolecules

authors： Orienti I,Zuccari G,Carosio R,Montaldo PG

更新日期：2005-09-01 00:00:00