Diepoxide-triggered conformational transition of silk fibroin: formation of hydrogels.

abstract：:Hydrogels are attractive materials for the controlled release of therapeutics because of their capacity to embed biologically active agents in their water-swollen network. Recent advances in organic and polymer chemistry, bioengineering and nanotechnology have resulted in several new developments in the field of hydro...

journal_title：Biomacromolecules

authors： Buwalda SJ,Vermonden T,Hennink WE

更新日期：2017-02-13 00:00:00

abstract：:Smart nanocarriers for the transport of drugs to tumor cells are nowadays of great interest for treating cancer. The use of enzymatic stimuli to cleave peptide-based drug nanocapsules for the selective release of nanocapsule cargo in close proximity to tumor cells opens new possibilities in cancer research. In the pre...

journal_title：Biomacromolecules

authors： Knaff PM,Kersten C,Willbold R,Champanhac C,Crespy D,Wittig R,Landfester K,Mailänder V

更新日期：2020-04-13 00:00:00

abstract：:Relative to normal cells, tumor cells lack adequate capability of reactive oxygen scavenging. Thus, tumor cells can be selectively killed by increasing the concentration of reactive oxygen species in tumor tissue. In this report, we construct an integrated multifunctional polymeric nanoparticle which can selectively i...

journal_title：Biomacromolecules

authors： Wang Y,Yin W,Ke W,Chen W,He C,Ge Z

更新日期：2018-06-11 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：:Spider silk has been extensively studied for its outstanding mechanical properties. Partial intermediate and C-terminal sequences of different spider silk proteins have been determined, and during the past decade also N-terminal domains have been characterized. However, only some of these N-terminal domains have been ...

journal_title：Biomacromolecules

authors： Rising A,Hjälm G,Engström W,Johansson J

更新日期：2006-11-01 00:00:00

abstract：:Control of the photoluminescence properties of cellulose is conducted by introduction of conducting polymers including fluorene (F) and 3-hexylthiophene (3HT) on cellulose surface through FeCl3 oxidative polymerization. The UV-vis absorption peak of cellulose grafted with the 3-hexylthiophene and fluorene copolymer wa...

journal_title：Biomacromolecules

authors： Phung Hai TA,Sugimoto R

更新日期：2017-12-11 00:00:00

abstract：:Nowadays, active targeting of nanotherapeutics is a challenging issue. Here, we propose a rational design of a ternary nanoassembly (SAP) composed of nonionic amphiphilic β-cyclodextrins (amphiphilic CD) incorporating pheophorbide (Pheo) as a phototherapeutic and an adamantanyl-folic acid conjugate (Ada-FA) to target ...

journal_title：Biomacromolecules

authors： Zagami R,Rapozzi V,Piperno A,Scala A,Triolo C,Trapani M,Xodo LE,Monsù Scolaro L,Mazzaglia A

更新日期：2019-07-08 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：:This study shows the application of the electrospinning technique as a viable method for the encapsulation and stabilization of bifidobacterial strains. Poly(vinyl alcohol) (PVOH) was used as the encapsulating material because it is generally recognized as safe (GRAS), has a high oxygen barrier when dry, and is water ...

journal_title：Biomacromolecules

authors： López-Rubio A,Sanchez E,Sanz Y,Lagaron JM

更新日期：2009-10-12 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：:To broaden the application scope of lactic acid polymers, a new miniemulsion of poly(alkyl methacrylate-graft-lactic acid)s has been developed. The graft copolymer synthesis was based on a poly(lactic acid) macromonomer having a methacryloyl polymerizable group. The macromonomer and a comonomer of n-butyl methacrylate...

journal_title：Biomacromolecules

authors： Ishimoto K,Arimoto M,Ohara H,Kobayashi S,Ishii M,Morita K,Yamashita H,Yabuuchi N

更新日期：2009-10-12 00:00:00

abstract：:This study is devoted to developing amphiphilic block polymers based on phenylborate ester, which can self-assemble to form nanoparticles, as a glucose-sensitive drug carrier. Poly(ethylene glycol)-block-poly[(2-phenylboronic esters-1,3-dioxane-5-ethyl) methylacrylate] (MPEG5000-block-PBDEMA) was fabricated with MPEG5...

journal_title：Biomacromolecules

authors： Yao Y,Zhao L,Yang J,Yang J

更新日期：2012-06-11 00:00:00

abstract：:Surface modification is often needed in tissue engineering to enhance the interaction between cells and synthetic materials and improve the cytocompatibility and cellular functions. In this study, block copolymers of poly(L-lactic acid) and poly(ethyl ethylene phosphate) (PLLA-b-PEEP) were synthesized and used to modi...

journal_title：Biomacromolecules

authors： Yang XZ,Sun TM,Dou S,Wu J,Wang YC,Wang J

更新日期：2009-08-10 00:00:00

abstract：:We describe investigations of insulin release from thermoresponsive microgels using variable temperature (1)H NMR. Microgel particles composed of poly(N-isopropylacrylamide) were loaded with the peptide via a swelling technique, and this method was compared to simple equilibrium partitioning. Variable temperature (1)H...

journal_title：Biomacromolecules

authors： Nolan CM,Gelbaum LT,Lyon LA

更新日期：2006-10-01 00:00:00

abstract：:Antibacterial nanodevices could bring coatings of plastic materials and wound dressings a big step forward if the release of the antibacterial agents could be triggered by the presence of the bacteria themselves. Here, we show that novel hyaluronic acid (HA)-based nanocapsules containing the antimicrobial agent polyhe...

journal_title：Biomacromolecules

authors： Baier G,Cavallaro A,Vasilev K,Mailänder V,Musyanovych A,Landfester K

更新日期：2013-04-08 00:00:00

abstract：:The electrospinning of polymer melts can offer an advantage over solution electrospinning, in the development of layered tissue constructs for tissue engineering. Melt electrospinning does not require a solvent, of which many are cytotoxic in nature, and the use of nonwater soluble polymers allows the collection of fi...

journal_title：Biomacromolecules

authors： Dalton PD,Klinkhammer K,Salber J,Klee D,Möller M

更新日期：2006-03-01 00:00:00

abstract：:Polymeric prodrugs of mPEG-PLA-haloperidol (methoxypoly(ethylene glycol)-b-poly(lactic acid)) can self-assemble into nanoscale micelle-like structures in aqueous solutions. mPEG-PLA-haloperidol was prepared and characterized using 1H and 13C NMR. The conjugation efficiency was found to be 64.8 +/- 21%. Micelles that f...

journal_title：Biomacromolecules

authors： Hans M,Shimoni K,Danino D,Siegel SJ,Lowman A

更新日期：2005-09-01 00:00:00

abstract：:Images of high methoxyl orange pectin deposited from solution and high methoxyl sugar acid gels (HMSAG) were obtained by atomic force microscopy (AFM) in the tapping mode. For the first time, images of pectin deposited from water revealed that the transition from pectin networks to individual molecules or aggregates t...

journal_title：Biomacromolecules

authors： Fishman ML,Cooke PH,Chau HK,Coffin DR,Hotchkiss AT Jr

更新日期：2007-02-01 00:00:00

abstract：:We report the rational design of a chitosan-based drug delivery system. The chitosan derivative N-[(2-hydroxy-3-trimethylammonium)propyl]chitosan chloride (HTCC) was ionically cross-linked by sodium tripolyphosphate (TPP) to form sub-200-nm microgels that are responsive to pH changes. When these microgels were loaded ...

journal_title：Biomacromolecules

authors： Zhang H,Mardyani S,Chan WC,Kumacheva E

更新日期：2006-05-01 00:00:00

abstract：:The photoluminescence features of Eu(3+)-, Tb(3+)-, Tb(3+)/Eu(3+)-alginate aerogel (hydrogel and alcogel) and Eu(3+)-alginate xerogel hybrids were investigated. The Eu(3+)-alginate aerogel and alcogel exhibit the highest (5)D0 quantum efficiencies (9.9 and 8.2%, respectively), while the hydrogel and xerogel have lower...

journal_title：Biomacromolecules

authors： Liu F,Carlos LD,Ferreira RA,Rocha J,Gaudino MC,Robitzer M,Quignard F

更新日期：2008-07-01 00:00:00

abstract：:Hydrogels are supramolecular assemblies with both solute transport properties like liquids and mechanical properties like elastomers. To date, every type of biomolecules except ribonucleic acid (RNA), is capable of forming a hydrogel. Here, we report an RNA that forms a hydrogel by self-assembly. This RNA is originall...

journal_title：Biomacromolecules

authors： Huang Z,Kangovi GN,Wen W,Lee S,Niu L

更新日期：2017-07-10 00:00:00

abstract：:Recent research indicates that the progression of Parkinson's disease can start from neurons of the enteric nervous system, which are in close contact with the gastrointestinal epithelium: α-synuclein molecules can be transferred from these epithelial cells in a prion-like fashion to enteric neurons. Thin mucus layers...

journal_title：Biomacromolecules

authors： Marczynski M,Rickert CA,Semerdzhiev SA,van Dijk WR,Segers-Nolten IMJ,Claessens MMAE,Lieleg O

更新日期：2019-12-09 00:00:00

abstract：:Novel polymer composites reinforced with an oriented cellulose nanocrystal (CNC) assembly were prepared from suspensions of CNC in aqueous 2-hydroxyethyl methacrylate (HEMA) via magnetic field application to the suspensions followed by polymerization treatment. The starting suspensions used at ∼6 wt % CNC separated in...

journal_title：Biomacromolecules

authors： Tatsumi M,Kimura F,Kimura T,Teramoto Y,Nishio Y

更新日期：2014-12-08 00:00:00

abstract：:Twenty-five kDa polyethylenimine (PEI) is one of the most efficient nonviral gene transfer agents currently applied as a golden standard for in vitro transfection. In this study, novel 25 kDa PEI derivatives with reductively cleavable cystamine periphery (PEI-Cys) were designed to reduce carrier-associated cytotoxicit...

journal_title：Biomacromolecules

authors： Wang Y,Zheng M,Meng F,Zhang J,Peng R,Zhong Z

更新日期：2011-04-11 00:00:00

abstract：:Natural melanins are biocompatible conductors with versatile functionalities. Here, we report fabrication of multifunctional poly(vinyl alcohol)/melanin nanocomposites by layer-by-layer (LBL) assembly using melanin nanoparticles (MNPs) directly extracted from sepia officinalis inks. The LBL assembly offers facile mani...

journal_title：Biomacromolecules

authors： Eom T,Woo K,Cho W,Heo JE,Jang D,Shin JI,Martin DC,Wie JJ,Shim BS

更新日期：2017-06-12 00:00:00

abstract：:An appropriate modification technique for silk materials is needed to effectively improve their physical properties for specific applications. A telechelic-type polyalanine (T-polyA) was synthesized by papain-catalyzed polymerization as a novel reinforcing agent for silk materials. A silk fibroin obtained from Bombyx ...

journal_title：Biomacromolecules

authors： Tsuchiya K,Masunaga H,Numata K

更新日期：2017-03-13 00:00:00

abstract：:A variety of natural polymers and proteins are considered to be 3D cell culture structures able to mimic the extracellular matrix (ECM) to promote bone tissue regeneration. Pectin, a natural polysaccharide extracted from the plant cell walls and having a chemical structure similar to alginate, provides interesting pro...

journal_title：Biomacromolecules

authors： Munarin F,Guerreiro SG,Grellier MA,Tanzi MC,Barbosa MA,Petrini P,Granja PL

更新日期：2011-03-14 00:00:00

abstract：:The bioconjugation of proteins and peptides with synthetic polymers is a promising method for tailoring the chemical, biological, and physical properties of both the polymeric and protein-based components. Here, we describe macromolecular assemblies of polyethylene glycol-coiled-coil alternating multiblock polymers gu...

journal_title：Biomacromolecules

authors： Sahin E,Kiick KL

更新日期：2009-10-12 00:00:00

abstract：:The barrier functions of the stratum corneum and the epidermal layers present a tremendous challenge in achieving effective transdermal delivery of drug molecules. Although a few reports have shown that poly(amidoamine) (PAMAM) dendrimers are effective skin-penetration enhancers, little is known regarding the fundamen...

journal_title：Biomacromolecules

authors： Yang Y,Sunoqrot S,Stowell C,Ji J,Lee CW,Kim JW,Khan SA,Hong S

更新日期：2012-07-09 00:00:00

abstract：:Tethering drug substances to a gel network is an effective way of controlling the release kinetics of hydrogel-based drug delivery systems. Here, we report on in situ forming, biodegradable hydrogels that allow for the covalent attachment of peptides or proteins. Hydrogels were prepared by step-growth polymerization o...

journal_title：Biomacromolecules

authors： Brandl F,Hammer N,Blunk T,Tessmar J,Goepferich A

更新日期：2010-02-08 00:00:00