Spider silk protein refolding is controlled by changing pH.

abstract：:Synthesis of novel zwitterionic block copolypeptides, poly(N-isopropylacrylamide)-block-poly(L-glutamic acid-co-L-lysine) [PNiPAM(n)(PLG(x)-co-PLLys(y))m , where n is the number-average degree of polymerization (DP(n)) of PNiPAM block, x and y are the mole fraction of glutamic acid and lysine residues, respectively, a...

journal_title：Biomacromolecules

authors： Li J,Wang T,Wu D,Zhang X,Yan J,Du S,Guo Y,Wang J,Zhang A

更新日期：2008-10-01 00:00:00

abstract：:Despite great potential, the delivery of genetic materials into cells or tissues of interest remains challenging owing to their susceptibility to nuclease degradation, lack of permeability to the cell membrane, and short in vivo half-life, which severely restrict their widespread use in therapeutics. To surmount these...

journal_title：Biomacromolecules

authors： Le TMD,Duong HTT,Thambi T,Giang Phan VH,Jeong JH,Lee DS

更新日期：2018-08-13 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：:Cellular uptake and intracellular targeting to specific organelles are key events in the cellular processing of nanomaterials. Herein, we perform a detailed structure-property relationship study on carboxylic acid-side-chain-bearing polyacrylates to provide design criteria for the manipulation of their cellular intera...

journal_title：Biomacromolecules

authors： Mahmoud AM,Morrow JP,Pizzi D,Azizah AM,Davis TP,Tabor RF,Kempe K

更新日期：2020-08-10 00:00:00

abstract：:A major challenge in drug delivery is the internalization through the apical plasma membrane of the polarized epithelial cells lining organs facing the external environment, e.g., lungs and the gastrointestinal tract. The reduced permeation of drugs entering through this pathway is in part due to the mucosal barrier a...

journal_title：Biomacromolecules

authors： Harush-Frenkel O,Rozentur E,Benita S,Altschuler Y

更新日期：2008-02-01 00:00:00

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：:Poly(epsilon-caprolactone)/polylactide blend (PCL/PLA) is an interesting biomaterial because PCL and PLA present good complementarity in their physical properties and biodegradability. However, the thermodynamic incompatibility between two component polymers restricts further applications of their blend. In this work,...

journal_title：Biomacromolecules

authors： Wu D,Zhang Y,Zhang M,Yu W

更新日期：2009-02-09 00:00:00

abstract：:Molecular dynamics (MD) simulations have been applied to study the interactions between hydrophobic and hydrophilic faces of ordered cellulose chains and a single layer of graphene in explicit aqueous solvent. The hydrophobic cellulose face is predicted to form a stable complex with graphene. This interface remains so...

journal_title：Biomacromolecules

authors： Alqus R,Eichhorn SJ,Bryce RA

更新日期：2015-06-08 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：: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：:Nanocoating of individual mammalian cells with polymer layers has been of increasing interest in biotechnology and biomedical engineering applications. Electrostatic layer-by-layer (LbL) deposition of polyelectrolytes on negatively charged cell surfaces has been utilized for cell nanocoatings using synthetic or natura...

journal_title：Biomacromolecules

authors： Hasturk O,Sahoo JK,Kaplan DL

更新日期：2020-07-13 00:00:00

abstract：:Water-soluble, degradable polymers based on poly(N,N-dimethylaminoethyl methacrylate) (PDMAEMA) with low cytotoxicity and good p-DNA transfection efficiency are highlighted in this article. To solve the nondegradability issue of PDMAEMA, new polymers based on DMAEMA and 5,6-benzo-2-methylene-1,3-dioxepane (BMDO) for g...

journal_title：Biomacromolecules

authors： Zhang Y,Zheng M,Kissel T,Agarwal S

更新日期：2012-02-13 00:00:00

abstract：:Ternary compatible blends of chitosan, poly(vinyl alcohol), and poly(lactic acid) were prepared by an oil-in-water (O/W) emulsion process. Solutions of chitosan in aqueous acetic acid, poly(vinyl alcohol) (PVA) in water, and poly(lactic acid) (PLA) in chloroform were blended with a high-shear mixer. PVA was used as an...

journal_title：Biomacromolecules

authors： Grande R,Carvalho AJ

更新日期：2011-04-11 00:00:00

abstract：:The determination of the collagen and glycosaminoglycan (GAG) contents of native and particularly bioengineered tissues is of considerable interest because the collagen-to-GAG ratio determines the water content of the tissue, which is crucial regarding its mechanical properties. (1)H NMR spectroscopy subsequent to the...

journal_title：Biomacromolecules

authors： Riemer T,Nimptsch A,Nimptsch K,Schiller J

更新日期：2012-07-09 00:00:00

abstract：:Poor cell survival in vitro and in vivo is one of the key challenges in tissue engineering. Prosurvival therapeutic proteins, such as insulin-like growth factor-1 (IGF-1), can promote cell viability but require controlled delivery systems due to their short half-lives and rapid clearance. Biocompatible materials are c...

journal_title：Biomacromolecules

authors： Parker J,Mitrousis N,Shoichet MS

更新日期：2016-02-08 00:00:00

abstract：:A novel family of amphiphilic temperature- and pH-sensitive poly(organophosphazenes) with varying ratios of ethylene oxide, alkyl chains and free acid units was synthesized by living cationic polymerization. Depending on their composition, these poly(organophosphazenes) exhibited lower critical solution temperatures r...

journal_title：Biomacromolecules

authors： Couffin-Hoarau AC,Leroux JC

更新日期：2004-11-01 00:00:00

abstract：:The mucilaginous viscin tissue within mistletoe berries possesses an extraordinary ability to be rapidly processed under ambient conditions into stiff cellulosic fibers (>14 GPa) through simple mechanical drawing. This rapid and extreme transformation process is hydration-dependent and involves an astonishing >200-fol...

journal_title：Biomacromolecules

authors： Horbelt N,Eder M,Bertinetti L,Fratzl P,Harrington MJ

更新日期：2019-08-12 00:00:00

abstract：:The effect of solution pH during layer-by-layer assembly of polyelectrolyte multilayer (PEM) coatings on properties relevant to orthopedic implant success was investigated. Bone morphogenetic protein 2 (BMP-2), a potent osteoconductive growth factor, was adsorbed onto the surface of anodized titanium, and PEM coatings...

journal_title：Biomacromolecules

authors： Salvi C,Lyu X,Peterson AM

更新日期：2016-06-13 00:00:00

abstract：:Chitosan possesses many characteristics of an ideal gene delivery system. However, the transfection efficiency of conventional chitosans is generally found to be low. In this study, we investigated the self-branching of chitosans as a strategy to improve its gene transfer properties without compromising its safety pro...

journal_title：Biomacromolecules

authors： Malmo J,Vårum KM,Strand SP

更新日期：2011-03-14 00:00:00

abstract：:The development of novel reagents and antibiotics for combating multidrug resistance bacteria has received significant attention in recent years. In this study, new antimicrobial star polymers (14-26 nm in diameter) that consist of mixtures of polylysine and glycopolymer arms were developed and were shown to possess a...

journal_title：Biomacromolecules

authors： Wong EH,Khin MM,Ravikumar V,Si Z,Rice SA,Chan-Park MB

更新日期：2016-03-14 00:00:00

abstract：:Regulating cell migration dynamics is of significance in tissue engineering and regenerative medicine. A 3D scaffold was created to provide various topographies based on a poly(ε-caprolactone) (PCL) self-induced nanohybrid shish-kebab structure, which consisted of aligned PCL nanofibers and spaced PCL crystal lamellae...

journal_title：Biomacromolecules

authors： Guo X,Wang X,Li X,Jiang YC,Han S,Ma L,Guo H,Wang Z,Li Q

更新日期：2020-03-09 00:00:00

abstract：:In this contribution, a hydrophobically modified polysaccharide derivative is synthesized in an eco-friendly solvent water by conjugation of benzylamine with the backbone of the biopolymer. Owing to the presence of aromatic moieties, the resulting water-soluble polysaccharide derivative self-assembles spontaneously an...

journal_title：Biomacromolecules

authors： Mohan T,Rathner R,Reishofer D,Koller M,Elschner T,Spirk S,Heinze T,Stana-Kleinschek K,Kargl R

更新日期：2015-08-10 00:00:00

abstract：:Because of their association with debilitating diseases and their potential applications in developing novel bionanomaterials, highly ordered amyloid fibrils have recently received considerable attention. While many studies have thus far focused on amyloid fibrils made with short peptides containing just one steric zi...

journal_title：Biomacromolecules

authors： Dai B,Sargent CJ,Gui X,Liu C,Zhang F

更新日期：2019-05-13 00:00:00

abstract：:Their physicochemical properties and relatively low cost make cellulose nanocrystals (CNCs) a potential candidate for future large-scale production in many fields including nanomedicine. Prior to a sustained and responsible development as theranostic agents, robust and reliable data concerning their safety, biocompati...

journal_title：Biomacromolecules

authors： Colombo L,Zoia L,Violatto MB,Previdi S,Talamini L,Sitia L,Nicotra F,Orlandi M,Salmona M,Recordati C,Bigini P,La Ferla B

更新日期：2015-09-14 00:00:00

abstract：:The basic physicochemical properties that determine the distribution and fate of synthetic macromolecules in living cells were characterized using fluorescently labeled HPMA (N-(2-hydroxypropyl)methacrylamide) copolymers. Twelve different classes of water-soluble copolymers were created by incorporating eight differen...

journal_title：Biomacromolecules

authors： Callahan J,Kopečkov P,Kopeček J

更新日期：2009-07-13 00:00:00

abstract：:The polymerization of N-isopropylacrylamide (NIPAAm) with ionizable monomers results in pH-responsive lower critical solution temperature (LCST) polymer which works in an ionization-dependent manner. However, gradual ionization of the comonomer occurs at a broad pH range due to the electrostatic field generated by the...

journal_title：Biomacromolecules

authors： Muttaqien SE,Nomoto T,Takemoto H,Matsui M,Tomoda K,Nishiyama N

更新日期：2019-04-08 00:00:00

abstract：:Presently there is great interest in the construction of nanostructures from DNA fragments. Here we report the preparation of much larger helical textures with different shapes from pure DNA fragments. We have observed them while preparing crystals of the dodecamer d(AAAAAATTTTTT), which only contains adenine and thym...

journal_title：Biomacromolecules

authors： Subirana JA,Creixell M,Baldini R,Campos JL

更新日期：2008-01-01 00:00:00

abstract：:We explore here the possibility that polypeptide chains with directional multiplicity might provide for the control of peptide self-assembly processes. We tested this new possibility using an oppositely directed peptide (ODP) supramolecular system. The ODP could make it possible to form a βαβ motif with antiparallel β...

journal_title：Biomacromolecules

authors： Jeong WJ,Han S,Park H,Jin KS,Lim YB

更新日期：2014-06-09 00:00:00

abstract：:Cellulose nanocrystals (CNCs) are mechanically rigid, toxicologically benign, fiber-like nanoparticles. They can easily be extracted from renewable biosources and have attracted significant interest as reinforcing fillers in polymers. We here report the modification of CNCs with the 2-ureido-4[1H]pyrimidinone (UPy) mo...

journal_title：Biomacromolecules

authors： Natterodt JC,Sapkota J,Foster EJ,Weder C

更新日期：2017-02-13 00:00:00

abstract：:PolyHIPEs show great promise as tissue engineering scaffolds due to the tremendous control of pore size and interconnectivity afforded by this technique. Highly porous, fully biodegradable scaffolds were prepared by polymerization of the continuous phase of high internal phase emulsions (HIPEs) containing the macromer...

journal_title：Biomacromolecules

authors： Christenson EM,Soofi W,Holm JL,Cameron NR,Mikos AG

更新日期：2007-12-01 00:00:00