Enzymatic polymerization to novel polysaccharides having a glucose-N-acetylglucosamine repeating unit, a cellulose-chitin hybrid polysaccharide.

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：:A dual-targeted siRNA nanocarrier has been synthesized and validated that is selectively activated in environments where there is colocalization of two breast cancer hallmarks, elevated matrix metalloproteinase (MMP) activity and folate receptor overexpression. This siRNA nanocarrier is self-assembled from two polymer...

journal_title：Biomacromolecules

authors： Li H,Miteva M,Kirkbride KC,Cheng MJ,Nelson CE,Simpson EM,Gupta MK,Duvall CL,Giorgio TD

更新日期：2015-01-12 00:00:00

abstract：:Enzymatic ring-opening copolymerization of 5-benzyloxy-trimethylene carbonate (BTMC) and 1,4-dioxan-2-one (DON) was investigated for the first time. Immobilized porcine pancreas lipase (IPPL) on silica particles was selected to perform the copolymerization. A series of novel biodegradable copolymers with different com...

journal_title：Biomacromolecules

authors： He F,Jia HL,Liu G,Wang YP,Feng J,Zhuo RX

更新日期：2006-08-01 00:00:00

abstract：:Hydrogels with pH-sensitive poly(acrylic acid) (PAAc) chains and biodegradable acryloyl-poly(-caprolactone)-2-hydroxylethyl methacrylate (AC-PCL-HEMA) chains were designed and synthesized. The morphology of hydrogel was observed by scanning electron microscopy. The degradation of the hydrogel in the presence of Pseudo...

journal_title：Biomacromolecules

authors： Wu DQ,Sun YX,Xu XD,Cheng SX,Zhang XZ,Zhuo RX

更新日期：2008-04-01 00:00:00

abstract：:The purpose of this study was to gain mechanistic insights into the effect of different formulation parameters on the degradation and release behavior of protein-loaded nanoparticulate carrier systems based on an aliphatic polyester with pendant hydroxyl groups, poly(lactic-co-glycolic-hydroxymethyl glycolic acid) (pL...

journal_title：Biomacromolecules

authors： Samadi N,van Nostrum CF,Vermonden T,Amidi M,Hennink WE

更新日期：2013-04-08 00:00:00

abstract：:Tissue engineering approaches need biomaterials with suitable properties to provide an appropriate environment for cell attachment and growth. The performance of these biomaterials can be greatly enhanced through the incorporation of bioactive agents. For this reason, we developed chitosan films with cell-attachment a...

journal_title：Biomacromolecules

authors： Abarrategi A,Civantos A,Ramos V,Sanz Casado JV,López-Lacomba JL

更新日期：2008-02-01 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：: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：:The adsorption of human immunoglobulin G (hIgG) and bovine serum albumin (BSA) on cellulose supports were investigated. The dynamics and extent of related adsorption processes were monitored by surface plasmon resonance (SPR) and quartz crystal microbalance with dissipation monitoring (QCM-D). Amine groups were instal...

journal_title：Biomacromolecules

authors： Orelma H,Filpponen I,Johansson LS,Laine J,Rojas OJ

更新日期：2011-12-12 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：:The structure of three types of liposomes (egg yolk phosphatidylcholine (EPC) without modification and EPC vesicles containing cross-linked N-isopropylacrylamide (NIPAM) networks of low and a high concentration inside the vesicles) were analyzed by static and dynamic light scattering. Upon polymerization the network w...

journal_title：Biomacromolecules

authors： Stauch O,Schubert R,Savin G,Burchard W

更新日期：2002-05-01 00:00:00

abstract：:Polymers are appealing as pH-responsive elements of multicomponent systems designed to promote cytosolic delivery of macromolecular drugs (including proteins and genes), but so far the delivery efficiency achieved has been relatively modest. Therefore, the aim of this study was to apply several physicochemical techniq...

journal_title：Biomacromolecules

authors： Griffiths PC,Khayat Z,Tse S,Heenan RK,King SM,Duncan R

更新日期：2007-03-01 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：:Chimeric DNA containing parallel (ps) and antiparallel (aps) duplex elements as well as poly-dC tracts were designed and synthesized. Oligonucleotide duplexes with ps chain orientation containing reverse Watson-Crick dA-dT base pairs and short d(C)2 tails are stabilized under slightly acidic conditions by hemiprotonat...

journal_title：Biomacromolecules

authors： Mei H,Budow S,Seela F

更新日期：2012-12-10 00:00:00

abstract：:The polarity of polymer-actin complexes obtained by mixing F-actin with synthetic polymers carrying positive charges such as poly(L-lysine), x,y-ionene bromide polymers, and poly(N-[3-(dimethylamino)propyl]acrylamide) (PDMAPAA-Q) have been investigated. Actin complexes formed with poly(L-lysine) and PDMAPAA-Q, which c...

journal_title：Biomacromolecules

authors： Kakugo A,Shikinaka K,Takekawa N,Sugimoto S,Osada Y,Gong JP

更新日期：2005-03-01 00:00:00

abstract：:The nonapeptide hemopressin, which is derived from the α chain of hemoglobin, has been reported to exhibit inverse agonist activity against the CB1 receptor. Administration of this peptide in animal models led to decreased food intake and elicited hypotensive and antinociceptive effects. On the basis of hemopressin's ...

journal_title：Biomacromolecules

authors： Bomar MG,Samuelsson SJ,Kibler P,Kodukula K,Galande AK

更新日期：2012-03-12 00:00:00

abstract：:The antiproliferative activity of alkylated heparin, in which the terminal end of heparin is derivatized with an alkyl group (butyl, octyl, lauryl, stearyl), was examined using vascular smooth muscle cells. The proliferation of cells, which were growth-arrested prior to addition of heparin, was inhibited in proportion...

journal_title：Biomacromolecules

authors： Gohda M,Magoshi T,Kato S,Noguchi T,Yasuda S,Nonogi H,Matsuda T

更新日期：2001-01-01 00:00:00

abstract：:Regenerated silk fibroin (RSF) fibers were obtained by extruding a concentrated aqueous silk fibroin solution into an ammonium sulfate coagulation bath. A custom-made simplified industrial-type wet-spinning device with continuous mechanical postdraw was used. The effect of dope concentration, coagulation bath, extrusi...

journal_title：Biomacromolecules

authors： Yan J,Zhou G,Knight DP,Shao Z,Chen X

更新日期：2010-01-11 00:00:00

abstract：:A novel aptamer modified thermosensitive liposome was designed as an efficient magnetic resonance imaging probe. In this paper, Gd-DTPA was encapsulated into an optimized thermosensitive liposome (TSL) formulation, followed by conjugation with AS1411 for specific targeting against tumor cells that overexpress nucleoli...

journal_title：Biomacromolecules

authors： Zhang K,Liu M,Tong X,Sun N,Zhou L,Cao Y,Wang J,Zhang H,Pei R

更新日期：2015-09-14 00:00:00

abstract：:Native hemicellulose lacks many of the properties that make fossil fuel-based polymers excellent for use in today's industrial products and processes. The mechanical and thermal properties of the hemicellulose can, however, be modified, and its processability increased. We functionalized galactoglucomannan to lower it...

journal_title：Biomacromolecules

authors： Härdelin L,Bernin D,Börjesson M,Ström A,Larsson A

更新日期：2020-05-11 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：: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：: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：:Vascular grafts that can support total replacement and maintenance by the body of the injured vessel would improve outcomes of major surgical reconstructions. Building scaffolds using components of the native vessel can encourage biological recognition by native cells as well as mimic mechanical characteristics of the...

journal_title：Biomacromolecules

authors： Bracaglia LG,Messina M,Winston S,Kuo CY,Lerman M,Fisher JP

更新日期：2017-11-13 00:00:00

abstract：:Hydrogel scaffolds are used in biomedicine to study cell differentiation and tissue evolution, where it is critical to control the delivery of chemical cues both spatially and temporally. While large molecules can be physically entrapped in a hydrogel, moderate molecular weight therapeutics must be tethered to the hyd...

journal_title：Biomacromolecules

authors： Griffin DR,Schlosser JL,Lam SF,Nguyen TH,Maynard HD,Kasko AM

更新日期：2013-04-08 00:00:00

abstract：:Lignin-carbohydrate complexes (LCCs) were prepared in quantitative yield from spruce wood and from the corresponding kraft and oxygen-delignified pulps and were separated into different fractions on the basis of their carbohydrate composition. To obtain an understanding of the differences in lignin structure and react...

journal_title：Biomacromolecules

authors： Lawoko M,Henriksson G,Gellerstedt G

更新日期：2005-11-01 00:00:00

abstract：:n-Heptyl α-d-mannose (HM) is a nanomolar antagonist of FimH, a virulence factor of E. coli. Herein we report on the construction of multivalent HM-based glycopolymers as potent antiadhesives of type 1 piliated E. coli. We investigate glycopolymer/FimH and glycopolymer/bacteria interactions and show that HM-based glyco...

journal_title：Biomacromolecules

authors： Yan X,Sivignon A,Yamakawa N,Crepet A,Travelet C,Borsali R,Dumych T,Li Z,Bilyy R,Deniaud D,Fleury E,Barnich N,Darfeuille-Michaud A,Gouin SG,Bouckaert J,Bernard J

更新日期：2015-06-08 00:00:00

abstract：:The application of nanoparticles comprising amphiphilic block copolymers for the delivery of drugs is a subject of great interest as they hold promise for more effective and selective therapies. In order to achieve this ambition, it is of critical importance to develop our understanding of the self-assembly mechanisms...

journal_title：Biomacromolecules

authors： Ridolfo R,Arends JJ,van Hest JCM,Williams DS

更新日期：2020-06-08 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：:Greener alternatives to synthetic polymers are constantly being investigated and sought after. Chitin is a natural polysaccharide that gives structural support to crustacean shells, insect exoskeletons, and fungal cell walls. Like cellulose, chitin resides in nanosized structural elements that can be isolated as nanof...

journal_title：Biomacromolecules

authors： Nawawi WMFBW,Jones M,Murphy RJ,Lee KY,Kontturi E,Bismarck A

更新日期：2020-01-13 00:00:00