Amino acid grafted chitosan for high performance gene delivery: comparison of amino acid hydrophobicity on vector and polyplex characteristics.

abstract：:Selectively spooling single plasmid DNA (pDNA), as a giant polyelectrolyte, into a nanosized toroidal structure or folding it into a rod-like structure has been accomplished by polyion complexation with block catiomers to form polymeric micelles in varying NaCl concentrations. The interactive potency between the pDNA ...

journal_title：Biomacromolecules

authors： Li Y,Osada K,Chen Q,Tockary TA,Dirisala A,Takeda KM,Uchida S,Nagata K,Itaka K,Kataoka K

更新日期：2015-09-14 00:00:00

abstract：:Light-harvesting antenna core (LH1-RC) complexes isolated from Rhodoseudomonas palustris were self-assembled on a gold electrode modified with self-assembled monolayers (SAMs) of the alkanethiols NH2(CH2)nSH, n = 2, 6, 8, 11; HOOC(CH2)7SH; and CH3(CH2)7SH, respectively. Adsorption of the LH1-RC complexes on the SAMs d...

journal_title：Biomacromolecules

authors： Kondo M,Nakamura Y,Fujii K,Nagata M,Suemori Y,Dewa T,Iida K,Gardiner AT,Cogdell RJ,Nango M

更新日期：2007-08-01 00:00:00

abstract：:Solutions of glucose, cellobiose and microcrystalline cellulose in the ionic liquid 1-ethyl-3-methyl-imidazolium ([C2mim][OAc]) have been examined using pulsed-field gradient (1)H NMR. Diffusion coefficients of the cation and anion across the temperature range 20-70 °C have been determined for a range of concentration...

journal_title：Biomacromolecules

authors： Ries ME,Radhi A,Keating AS,Parker O,Budtova T

更新日期：2014-02-10 00:00:00

abstract：:Candida antarctica Lipase B (CALB) was covalently immobilized onto epoxy-activated macroporous poly(methyl methacrylate) Amberzyme beads (235 microm particle size, 220 A pore size) and nanoparticles (nanoPSG, diameter 68 nm) with a poly(glycidyl methacrylate) outer region. Amberzyme beads allowed CALB loading up to 0....

journal_title：Biomacromolecules

authors： Chen B,Hu J,Miller EM,Xie W,Cai M,Gross RA

更新日期：2008-02-01 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：:A lamellar compound resulted from reaction of acrylic acid inside crystalline beta-chitin and the structure was investigated. Beta-chitin acts like a layered crystal, having stacked molecular sheets composed of parallel chains bound in one direction by intermolecular amide hydrogen bonding. Small guest molecules can b...

journal_title：Biomacromolecules

authors： Saito Y,Tomotake Y,Shida S

更新日期：2007-04-01 00:00:00

abstract：:Neutron reflectometry was used to investigate effects of calcium ions on the interfacial behavior of beta-casein at the silicon oxide-aqueous solution interface. The structural characteristics of the adsorbed layer were determined from reflectivity curves fitted to three- and two-layer optical models. The results show...

journal_title：Biomacromolecules

authors： Follows D,Holt C,Nylander T,Thomas RK,Tiberg F

更新日期：2004-03-01 00:00:00

abstract：:The synthesis of poly(methyl methacrylate-co-methacryloxysuccinimide-graft-poly(ethylene glycol)) (PMMA-co-PMASI-g-PEG) via living free radical polymerization provides a convenient route to well-defined amphiphilic graft copolymers having a controllable number of reactive functional groups, variable length PEG grafts,...

journal_title：Biomacromolecules

authors： Pressly ED,Rossin R,Hagooly A,Fukukawa K,Messmore BW,Welch MJ,Wooley KL,Lamm MS,Hule RA,Pochan DJ,Hawker CJ

更新日期：2007-10-01 00:00:00

abstract：:Nanoparticles (NPs) with high drug loading and pH-responsivity were prepared by nanoprecipitation of a hydrophobic polymer-drug conjugate (PDC). The PDC, polylactide-graft-doxorubicin (PLA-g-DOX), was synthesized by azide-alkyne click reaction to transform acetylene-functionalized PLA into PLA-graft-aldehyde (PLA-g-AL...

journal_title：Biomacromolecules

authors： Yu Y,Chen CK,Law WC,Weinheimer E,Sengupta S,Prasad PN,Cheng C

更新日期：2014-02-10 00:00:00

abstract：:A wood based yarn platform for capturing pharmaceutical molecules from water was developed. Cellulose fiber yarns were modified with cyclodextrins, and the capture of 17α-ethinyl estradiol (EE2), a synthetic estrogen hormone used as contraceptive, from water was tested. The yarns were prepared by spinning a deep eutec...

journal_title：Biomacromolecules

authors： Orelma H,Virtanen T,Spoljaric S,Lehmonen J,Seppälä J,Rojas OJ,Harlin A

更新日期：2018-02-12 00:00:00

abstract：:It is demonstrated that the molecular solubility of softwood hemicelluloses is significantly influenced by pretreatment of the fibers, extraction, and downstream processing. To quantify these effects, four hemicellulose samples were extracted from different thermomechanical pulps of Norway spruce. The molecular solubi...

journal_title：Biomacromolecules

authors： Kishani S,Vilaplana F,Xu W,Xu C,Wågberg L

更新日期：2018-04-09 00:00:00

abstract：:Thermoresponsive polymers with lower critical solution temperatures (LCSTs) are of significant interest for a wide range of applications from sensors to drug delivery vehicles. However, the most widely investigated LCST polymers have nondegradable backbones, limiting their applications in vivo or in the environment. D...

journal_title：Biomacromolecules

authors： Rabiee Kenaree A,Sirianni QEA,Classen K,Gillies ER

更新日期：2020-09-14 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：:The new combinations of monomers presented in this work were evaluated in order to create an elastic material for potential application in soft tissue engineering. Thermoplastic elastomers (TPE) of trimethylene carbonate (TMC) with L-lactide (LLA) and 1,5-dioxepan-2-one (DXO) have been synthesized using a cyclic five-...

journal_title：Biomacromolecules

authors： Andronova N,Albertsson AC

更新日期：2006-05-01 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：:The morphology of silk produced by recluse spiders (Loxosceles arizonica) was investigated by scanning electron microscopy, atomic force microscopy, and transmission electron microscopy. This silk consisted entirely of very long, thin ribbons of width 2-4 microm and thicknesses of no more than 40 nm. The correspondenc...

journal_title：Biomacromolecules

authors： Coddington JA,Chanzy HD,Jackson CL,Raty G,Gardner KH

更新日期：2002-01-01 00:00:00

abstract：:Two poly(amido-amine)s (oligoPAM and oligoNER) containing bis-phosphonate residues were obtained by a Michael-type polyaddition of pamidronate and neridronate to 1,4-bis(acryloyl)piperazine. The SEC (size-exclusion chromatography) and the MALDI-TOF (matrix assisted laser desorption ionization) analyses were consistent...

journal_title：Biomacromolecules

authors： Casolaro M,Casolaro I,Spreafico A,Capperucci C,Frediani B,Marcolongo R,Margiotta N,Ostuni R,Mendichi R,Samperi F,Ishii T,Ito Y

更新日期：2006-12-01 00:00:00

abstract：:This Article describes the synthesis and characterization of renewable self-adhesive coatings with tunable viscoelastic properties and equipped with well-defined amounts of carboxylic acid "sticker" groups with adhesion promoting characteristics. Hydroxyl-ended polyesters with various architectures (linear, branched) ...

journal_title：Biomacromolecules

authors： Vendamme R,Olaerts K,Gomes M,Degens M,Shigematsu T,Eevers W

更新日期：2012-06-11 00:00:00

abstract：:Targeted delivery of antigens to immune cells using micro/nanocarriers may serve as a therapeutic application for vaccination. However, synthetic carriers have potential drawbacks including cytotoxicity, low encapsulation efficiency of antigen, and lack of a morphological design, which limit the translation of the del...

journal_title：Biomacromolecules

authors： Nishiguchi A,Shima F,Singh S,Akashi M,Moeller M

更新日期：2020-06-08 00:00:00

abstract：:In the cell nucleus, putrescine, spermidine, and spermine self-assemble with phosphate ions to generate three forms of compounds, named nuclear aggregates of polyamines (NAPs), which may interact with DNA. In an in vitro setting mimicking the cell nucleus milieu, this molecular aggregation occurs within well-defined r...

journal_title：Biomacromolecules

authors： Iacomino G,Picariello G,Sbrana F,Di Luccia A,Raiteri R,D'Agostino L

更新日期：2011-04-11 00:00:00

abstract：:Poly((N-vinylpyrrolidone)-block-poly(vinyl acetate)) (PVP-b-PVAc) block copolymers of varying molecular weight and hydrophobic block lengths were synthesized via controlled radical polymerization and investigated as carriers for the solubilization of highly hydrophobic riminophenazine compounds. These compounds have r...

journal_title：Biomacromolecules

authors： Bailly N,Thomas M,Klumperman B

更新日期：2012-12-10 00:00:00

abstract：:Decomposable hollow capsules based on deoxyribonucleic acid (DNA) and a low molecular weight organic molecule, a naturally occurring polyamine, spermidine (SP), were formed by applying the layer-by-layer adsorption strategy to colloid particles, viz., assembling DNA/SP multilayers on colloids and subsequently removing...

journal_title：Biomacromolecules

authors： Schüler C,Caruso F

更新日期：2001-10-01 00:00:00

abstract：:Infectious diseases remain one of the leading causes of death worldwide despite the tremendous effort devoted to the design and development of antimicrobial agents. However, the decrease in the effectiveness of some antibiotics is often associated with the development of drug resistance by pathogen. This leads to an u...

journal_title：Biomacromolecules

authors： Nguyen D,Nguyen TK,Rice SA,Boyer C

更新日期：2015-09-14 00:00:00

abstract：:Mixed protein-based hydrogels have been prepared by blending gelatin (G) with amorphous Bombyx mori silk fibroin (SF) and promoting beta-crystallization of SF via subsequent exposure to methanol or methanol/water solutions. The introduction of beta crystals in SF serves to stabilize the hydrogel network and extend the...

journal_title：Biomacromolecules

authors： Gil ES,Frankowski DJ,Spontak RJ,Hudson SM

更新日期：2005-11-01 00:00:00

abstract：:Immobilizing zwitterionic molecules on material surfaces has been a promising strategy for creating antifouling surfaces. Herein, we show the ability to surface derivatize an allyl-ether-functionalized thermoplastic polyurethane (TPU) with a zwitterionic thiol in a radically induced thiol-ene reaction. The thermoplast...

journal_title：Biomacromolecules

authors： Nikam SP,Chen P,Nettleton K,Hsu YH,Becker ML

更新日期：2020-07-13 00:00:00

abstract：:Dynamic mechanical properties of aqueous solutions of hydroxypropyl methyl cellulose (HPMC) were investigated using oscillatory shear measurements. The structure was investigated with light scattering. A systematic investigation of the frequency dependence of the shear moduli showed that HPMC forms two distinct interp...

journal_title：Biomacromolecules

authors： Shahin A,Nicolai T,Benyahia L,Tassin JF,Chassenieux C

更新日期：2014-01-13 00:00:00

abstract：:We study the self-assembly of genetically engineered protein-based triblock copolymers consisting of a central pH-responsive silk-like middle block (S(H)n, where S(H) is a silk-like octapeptide, (GA)3GH and n is the number of repeats) flanked by hydrophilic random coil outer blocks (C2). Our previous work has already ...

journal_title：Biomacromolecules

authors： Beun LH,Storm IM,Werten MW,de Wolf FA,Cohen Stuart MA,de Vries R

更新日期：2014-09-08 00:00:00

abstract：:One of the major drawbacks found in most bone tissue engineering approaches developed so far consists in the lack of strategies to promote vascularisation. Some studies have addressed different issues that may enhance vascularisation in tissue engineered constructs, most of them involving the use of growth factors (GF...

journal_title：Biomacromolecules

authors： Santo VE,Frias AM,Carida M,Cancedda R,Gomes ME,Mano JF,Reis RL

更新日期：2009-06-08 00:00:00

abstract：:We synthesized positively charged biodegradable hydrogels by cross-linking of agmatine-modified poly(ethylene glycol)-tethered fumarate (Agm-PEGF) and poly(propylene fumarate-co-ethylene glycol) (P(PF-co-EG)) to investigate the effect of the guanidino groups of the agmatine on hydrogel swelling behavior and smooth mus...

journal_title：Biomacromolecules

authors： Tanahashi K,Jo S,Mikos AG

更新日期：2002-09-01 00:00:00

abstract：:Inflammation plays an important role in symptomatic intervertebral disc degeneration and is associated with the production of neurotrophins in sensitizing innervation into the disc. The use of high molecular weight (HMw) hyaluronic acid (HA) hydrogels offers a potential therapeutic biomaterial for nucleus pulposus (NP...

journal_title：Biomacromolecules

authors： Isa IL,Srivastava A,Tiernan D,Owens P,Rooney P,Dockery P,Pandit A

更新日期：2015-06-08 00:00:00