Shear-induced self-assembly of native silk proteins into fibrils studied by atomic force microscopy.

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：: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 convergent solid phase synthesis of C-linked analogues of antifreeze glycoprotein (AFGP) has been achieved. In this approach, three to six carbohydrate residues are simultaneously coupled to a resin-bound polypeptide. Glycopeptides ranging from 1.6 to 3.0 kDa are easily prepared in 26-44% yield demonstrating the u...

journal_title：Biomacromolecules

authors： Eniade A,Ben RN

更新日期：2001-07-01 00:00:00

abstract：:Bacterial biofilms tolerate extreme levels of antibiotics. Treatment of biofilm infections therefore requires the development of new or modified antimicrobials that can penetrate biofilms and are effective against dormant persistent cells. One such new approach uses the biodegradable biopolymer chitosan and its deriva...

journal_title：Biomacromolecules

authors： Sahariah P,Másson M,Meyer RL

更新日期：2018-09-10 00:00:00

abstract：:A challenge in the development of multifunctional drug delivery systems is to establish a reasonable and effective synthetic route for multifunctional polymer preparation. Herein, we propose a unique protocol to prepare multifunctional micelles by a cross-assembly process using three different functional polyurethanes...

journal_title：Biomacromolecules

authors： Pan Z,Ren Y,Song N,Song Y,Li J,He X,Luo F,Tan H,Fu Q

更新日期：2016-06-13 00:00:00

abstract：:Despite numerous strategies involving dynamic covalent bonds to produce self-healing hydrogels with similar frequency-dependent stiffness to native tissues, it remains challenging to use biologically relevant thiol/disulfide exchange to confer such properties to polymeric networks. Herein, we report a new method based...

journal_title：Biomacromolecules

authors： Casuso P,Odriozola I,Pérez-San Vicente A,Loinaz I,Cabañero G,Grande HJ,Dupin D

更新日期：2015-11-09 00:00:00

abstract：:In this paper we report on protein refolding by means of a liquid-liquid transfer technique using a calixarene. We have found that a calix[6]areneacetic acid derivative forms a supramolecular complex with urea-denatured cytochrome c at the oil-water interface, which enables quantitative transfer of the protein from an...

journal_title：Biomacromolecules

authors： Shimojo K,Oshima T,Naganawa H,Goto M

更新日期：2007-10-01 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：:This paper describes the synthesis and evaluation of a series of multifunctional poly-l-glutamic acid derivatives that can be used as vectors for gene delivery. They readily form polyelectrolyte complexes with DNA, resulting in a reduced surface charge and size of the DNA. The formation of a polymer-DNA complex and th...

journal_title：Biomacromolecules

authors： Dubruel P,Dekie L,Schacht E

更新日期：2003-09-01 00:00:00

abstract：:Well-defined linear poly(acryloyl glucosamine) (PAGA) exhibiting molar masses ranging from 3 to 120 K and low polydispersities have been prepared via reversible addition-fragmentation chain transfer polymerization (RAFT) in aqueous solution without recourse to protecting group chemistry. The livingness of the process ...

journal_title：Biomacromolecules

authors： Bernard J,Hao X,Davis TP,Barner-Kowollik C,Stenzel MH

更新日期：2006-01-01 00:00:00

abstract：:We synthesized extremely deformable red blood cell-like microgel particles and loaded them with bovine hemoglobin (Hb) to potentiate oxygen transport. With similar shape and size as red blood cells (RBCs), the particles were fabricated using the PRINT (particle replication in nonwetting templates) technique. Low cross...

journal_title：Biomacromolecules

authors： Chen K,Merkel TJ,Pandya A,Napier ME,Luft JC,Daniel W,Sheiko S,DeSimone JM

更新日期：2012-09-10 00:00:00

abstract：:In this paper we propose a detailed analysis of structural and morphological properties of two poly-L-lysine (PLL)-based transfection formulations, PLL/DNA and pegylated PLL (PLL-g-PEG)/DNA, by means of atomic force microscopy (AFM) and transmission electron microscopy (TEM). Comparing PLL-g-PEG/DNA with PLL/DNA polyp...

journal_title：Biomacromolecules

authors： Stanić V,Arntz Y,Richard D,Affolter C,Nguyen I,Crucifix C,Schultz P,Baehr C,Frisch B,Ogier J

更新日期：2008-07-01 00:00:00

abstract：:Nanoparticles (NPs) composed of chitosan (CS) and poly(gamma-glutamic acid) (gamma-PGA) were prepared by a simple ionic-gelation method for oral insulin delivery. Fourier transform infrared (FT-IR) spectra indicated that CS and gamma-PGA were ionized at pH 2.5-6.6, while X-ray diffractograms demonstrated that the crys...

journal_title：Biomacromolecules

authors： Lin YH,Mi FL,Chen CT,Chang WC,Peng SF,Liang HF,Sung HW

更新日期：2007-01-01 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 need for polymers for high-end applications, coupled with the desire to mimic nature's macromolecular machinery fuels the development of innovative synthetic strategies every year. The recently acquired macromolecular-synthetic tools increase the precision and enable the synthesis of polymers with high control and...

journal_title：Biomacromolecules

authors： Olsén P,Odelius K,Albertsson AC

更新日期：2016-03-14 00:00:00

abstract：:Textile chitosan fiber scaffolds were developed and tested in terms of biocompatibility for human bone marrow stromal cells (hBMSCs). A part of the scaffolds was further modified by coating with fibrillar collagen type I in order to biologize the surface. hBMSCs of two donors were used for cell culture experiments in ...

journal_title：Biomacromolecules

authors： Heinemann C,Heinemann S,Lode A,Bernhardt A,Worch H,Hanke T

更新日期：2009-05-11 00:00:00

abstract：:Spherulites of poly(L-lactic acid) (PLLA) and of its blends with atactic poly(3-hydroxybutyrate) (a-PHB, from 10 to 75 wt %) were investigated by microfocus X-ray diffraction using synchrotron radiation. Radial scans in 5 microm steps with 3 microm beam diameter were performed. In PLLA, tens of identical diffraction i...

journal_title：Biomacromolecules

authors： Gazzano M,Focarete ML,Riekel C,Scandola M

更新日期：2004-03-01 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：:Partially benzylamidated, amphipathic poly(gamma-glutamic acid) (BzPGA) was synthesized from poly(gamma-glutamic acid) (PGA) and benzylamine by direct amidation in dimethyl sulfoxide (DMSO). Benzylamine and PGA were heated in DMSO for 1 to 26 h at temperatures between 110 and 130 degrees C, producing derivatives of va...

journal_title：Biomacromolecules

authors： Novak L,Banyai I,Fleischer-Radu JE,Borbély J

更新日期：2007-05-01 00:00:00

abstract：:Generation of bioenergy, new functional polymers, or chemicals and biomaterials from hemicelluloses are important uses for biomass. In this paper, a novel functional biopolymer with carbon-carbon double bond and carboxyl groups was prepared by a homogeneous esterification of xylan-rich hemicelluloses (XH) with maleic ...

journal_title：Biomacromolecules

authors： Peng XW,Ren JL,Sun RC

更新日期：2010-12-13 00:00:00

abstract：:RNA-based delivery system for cancer therapy remains a challenge. In this study, a stearyl-peptide (SHR) was synthesized using arginine, histidine, cysteine, and stearyl moieties. Further, the stearyl-peptides were cross-linked by disulfide bonds to obtain cross-linked polypeptides (SHRss) with different molecular wei...

journal_title：Biomacromolecules

authors： Tai Z,Wang X,Tian J,Gao Y,Zhang L,Yao C,Wu X,Zhang W,Zhu Q,Gao S

更新日期：2015-04-13 00:00:00

abstract：:Stereocomplexation of poly(L-lactide) (PLLA) with star shaped D-lactic acid (D-LA) oligomers with different architectures and end-groups clearly altered the degradation rate and affected the degradation product patterns. Altogether, nine materials were studied: standard PLLA and eight blends of PLLA with either 30 or ...

journal_title：Biomacromolecules

authors： Andersson SR,Hakkarainen M,Inkinen S,Södergård A,Albertsson AC

更新日期：2012-04-09 00:00:00

abstract：:Ruthenium(II) tris(bipyridine)-centered poly(ethylenimine) (Ru PEI) was synthesized via acid hydrolysis of Ru tris(bipyridine)-centered poly(2-ethyl-2-oxazoline) (Ru PEOX), and the luminescence, DNA entrapment, and transfection efficiencies were evaluated. Emission maxima for Ru PEI samples are red-shifted compared to...

journal_title：Biomacromolecules

authors： Fiore GL,Edwards JM,Payne SJ,Klinkenberg JL,Gioeli DG,Demas JN,Fraser CL

更新日期：2007-09-01 00:00:00

abstract：:Agmatine-containing bioreducible polymer, poly(cystaminebis(acrylamide)-agmatine) (poly(CBA-AG)) was synthesized for gene delivery systems. It could form 200-300 nm sized and positively charged polyplexes with pDNA, which could release pDNA in reducing the environment due to the internal disulfide bonds cleavage. Poly...

journal_title：Biomacromolecules

authors： Choi JY,Ryu K,Lee GJ,Kim K,Kim TI

更新日期：2015-09-14 00:00:00

abstract：:The layer-by-layer technique has been used as a powerful method to produce multilayer thin films with tunable properties. When natural polymers are employed, complicated phenomena such as self-aggregation and fibrilogenesis can occur, making it more difficult to obtain and characterize high-quality films. The weak aci...

journal_title：Biomacromolecules

authors： de Moraes MA,Crouzier T,Rubner M,Beppu MM

更新日期：2015-01-12 00:00:00

abstract：:In this study, generation 5 (G5) polyamidoamine (PAMAM) dendrimers with two different surface groups, G4.5-COOH and G5-OH, were investigated for their protective effects on pancreas injury in a caerulein-induced acute pancreatitis (AP) mouse model. Both dendrimers significantly decreased pathological changes in the pa...

journal_title：Biomacromolecules

authors： Tang Y,Han Y,Liu L,Shen W,Zhang H,Wang Y,Cui X,Wang Y,Liu G,Qi R

更新日期：2015-01-12 00:00:00

abstract：:Supramolecular nanogel, a physically cross-linked nanosize hydrogel, spontaneously self-assembles in aqueous solution via secondary interactions and is thus of great interest in nanomedicine as a drug carrier. We developed a versatile method for supramolecular nanogel self-assembled by electrostatic interaction betwee...

journal_title：Biomacromolecules

authors： Kim K,Bae B,Kang YJ,Nam JM,Kang S,Ryu JH

更新日期：2013-10-14 00:00:00

abstract：:A new route for the design of renewable hydrogels is presented. The soluble waste from masonite production was isolated, fractionized, and upgraded. The resulting hemicellulose rich fraction was alkenyl-functionalized and used in the preparation of covalently cross-linked hydrogels capable of sustained release of inco...

journal_title：Biomacromolecules

authors： Albertsson AC,Voepel J,Edlund U,Dahlman O,Söderqvist-Lindblad M

更新日期：2010-05-10 00:00:00

abstract：:Glycosaminoglycans (GAGs) and glycoproteins are vital components of the extracellular matrix, directing cell proliferation, differentiation, and migration and tissue homeostasis. Here, we demonstrate supramolecular GAG-like glycopeptide nanofibers mimicking bioactive functions of natural hyaluronic acid molecules. Sel...

journal_title：Biomacromolecules

authors： Ustun Yaylaci S,Sardan Ekiz M,Arslan E,Can N,Kilic E,Ozkan H,Orujalipoor I,Ide S,Tekinay AB,Guler MO

更新日期：2016-02-08 00:00:00

abstract：:An efficient process for the synthesis of degradable hydrogels containing octa-betaine ester polyhedral oligomeric silsesquioxane (POSS) through efficient thiol-ene and Menschutkin click reactions was developed. The hydrogels exhibited a yield strength of 0.36 MPa and a compressive modulus of 4.38 MPa and displayed ex...

journal_title：Biomacromolecules

authors： Han J,Chen Q,Shen Y,Liu Z,Hao X,Zhong M,Zhao Z,Bockstaller MR

更新日期：2020-09-14 00:00:00