Effect of chitosan chain architecture on gene delivery: comparison of self-branched and linear chitosans.

abstract：:F-actins are semi-flexible polyelectrolytes and can be assembled into a large polymer-actin complex with polymorphism through electrostatic interaction with polycations. This study investigates the structural phase behavior and the growth of polymer-actin complexes in terms of its longitudinal and lateral sizes in var...

journal_title：Biomacromolecules

authors： Kwon HJ,Kakugo A,Shikinaka K,Osada Y,Gong JP

更新日期：2005-11-01 00:00:00

abstract：:The design of functional systems with sizes in the nanometer range is a key challenge in fields such as biomedicine, nanotechnology, and engineering. Some of the most promising materials nowadays consist of self-assembling peptides or peptide-polymer hybrid materials because of their versatility and the resulting prop...

journal_title：Biomacromolecules

authors： Mikhalevich V,Craciun I,Kyropoulou M,Palivan CG,Meier W

更新日期：2017-11-13 00:00:00

abstract：:The synthesis of core-shell star copolymers via living free radical polymerization provides a convenient route to three-dimensional nanostructures having a poly(ethylene glycol) outer shell, a hydrophilic inner shell bearing reactive functional groups, and a central hydrophobic core. By starting with well-defined line...

journal_title：Biomacromolecules

authors： Fukukawa K,Rossin R,Hagooly A,Pressly ED,Hunt JN,Messmore BW,Wooley KL,Welch MJ,Hawker CJ

更新日期：2008-04-01 00:00:00

abstract：:An increase in hyaluronan (HA) synthesis, cellular uptake, and metabolism occurs during the remodeling of tissue microenvironments following injury and during disease processes such as cancer. We hypothesized that multimodality HA-based probes selectively target and detectably accumulate at sites of high HA metabolism...

journal_title：Biomacromolecules

authors： Veiseh M,Breadner D,Ma J,Akentieva N,Savani RC,Harrison R,Mikilus D,Collis L,Gustafson S,Lee TY,Koropatnick J,Luyt LG,Bissell MJ,Turley EA

更新日期：2012-01-09 00:00:00

abstract：:In this work, biodegradable branched polycationic polymers were synthesized by Michael addition polymerization from different amine monomers and the triacrylate monomer trimethylolpropane triacrylate. The polymers varied in the number of amines that dissociate in different pH ranges, which are considered to be benefic...

journal_title：Biomacromolecules

authors： Chew SA,Hacker MC,Saraf A,Raphael RM,Kasper FK,Mikos AG

更新日期：2010-03-08 00:00:00

abstract：:Sjögren's syndrome (SS) is an autoimmune disease associated with severe exocrinopathy, which is characterized by profound lymphocytic infiltration (dacryoadenitis) and loss of function of the tear-producing lacrimal glands (LGs). Systemic administration of Rapamycin (Rapa) significantly reduces LG inflammation in the ...

journal_title：Biomacromolecules

authors： Ju Y,Edman MC,Guo H,Janga SR,Peddi S,Louie SG,Junge JA,MacKay JA,Hamm-Alvarez SF

更新日期：2020-12-27 00:00:00

abstract：:The currently used hemostatic agents are highly effective in stopping hemorrhages but have a limited role in the modulation of the wound-healing environment. Herein, we propose an intrinsically bioactive hemostatic cryogel based on platelet lysate (PL) and aldehyde-functionalized cellulose nanocrystals (a-CNCs). PL ha...

journal_title：Biomacromolecules

authors： Mendes BB,Gómez-Florit M,Araújo AC,Prada J,Babo PS,Domingues RMA,Reis RL,Gomes ME

更新日期：2020-09-14 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：:This study describes the preparation and the characterization of poly[ N-(2-hydroxypropyl methacrylamide)] hydrogel with bulk-modified saccharidic portion of ganglioside GM 3 (Neu5Ac-alpha2,3-Gal-beta1,4-Glc). The 3'-sialyllactose is a bioactive epitope recognized by many cell surface receptors on viruses, bacteria, a...

journal_title：Biomacromolecules

authors： Woerly S,Fort S,Pignot-Paintrand I,Cottet C,Carcenac C,Savasta M

更新日期：2008-09-01 00:00:00

abstract：:There is a lack of hydrogel materials whose properties can be tuned at the point of use. Biological hydrogels, such as collagen, gelate at physiological temperatures; however, they are not always ideal as scaffolds because of their low mechanical strength. Their mechanics can be improved through cross-linking and chem...

journal_title：Biomacromolecules

authors： Barnes AL,Genever PG,Rimmer S,Coles MC

更新日期：2016-03-14 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 three-dimensional structure consisting of poly(ε-caprolactone) (PCL) nanofibers covered by periodically spaced PCL crystal lamellae, a self-induced nanohybrid shish-kebab (SINSK) structure, was created using electrospinning followed by a self-induced crystallization. The resulting structure that resembles the nanoto...

journal_title：Biomacromolecules

authors： Wang X,Salick MR,Wang X,Cordie T,Han W,Peng Y,Li Q,Turng LS

更新日期：2013-10-14 00:00:00

abstract：:As a programmable biopolymer, DNA has shown great potential in the fabrication and construction of nanometer-scale assemblies and devices. In this report, we described a strategy for efficient manipulation of gold nanoparticle-bound DNA using restriction endonuclease. The digestion efficiency of this restriction enzym...

journal_title：Biomacromolecules

authors： Qin WJ,Yung LY

更新日期：2006-11-01 00:00:00

abstract：:Heparin, a sulfated polysaccharide derived from animal sources, is the most commonly used parenteral anticoagulant drug, but it suffers from significant safety and supply issues. Herein, we describe the preparation of heparin mimetic homo- and copolymers via the reversible addition-fragmentation chain transfer (RAFT) ...

journal_title：Biomacromolecules

authors： Nahain AA,Ignjatovic V,Monagle P,Tsanaktsidis J,Vamvounis G,Ferro V

更新日期：2020-02-10 00:00:00

abstract：:Enzymatic adsorption and degradation of three types of aliphatic polyester films and two types of polyolefin films by the extracellular PHB depolymerase from Alcaligenes faecalis T1 have been studied by using a quartz crystal microbalance (QCM) technique. Hydrolysis of poly[(R)-3-hydroxybutyrate] was quantitatively fo...

journal_title：Biomacromolecules

authors： Yamashita K,Aoyagi Y,Abe H,Doi Y

更新日期：2001-04-01 00:00:00

abstract：:A polyethylene glycol (PEG) retinylamine (Ret-NH2) conjugate PEG-GFL-NH-Ret with a glycine-phenylalanine-leucine (GFL) spacer was synthesized for controlled oral delivery of Ret-NH2 to treat retinal degenerative diseases, including Stargardt disease (STGD) and age-related macular degeneration (AMD). The peptide spacer...

journal_title：Biomacromolecules

authors： Yu G,Wu X,Ayat N,Maeda A,Gao SQ,Golczak M,Palczewski K,Lu ZR

更新日期：2014-12-08 00:00:00

abstract：:The development of large-scale suspension cell cultures using microcarriers has long been a focus of attention in the fields of pharmacy and biotechnology. Previously, we developed cell-detachable microcarriers based on temperature-responsive poly(N-isopropylacrylamide) (PIPAAm)-grafted beads, on which adhering cells ...

journal_title：Biomacromolecules

authors： Tamura A,Nishi M,Kobayashi J,Nagase K,Yajima H,Yamato M,Okano T

更新日期：2012-06-11 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：:Cellulose and starch nanocrystals obtained from the acid hydrolysis of ramie fibers and waxy maize starch granules, respectively, were subjected to isocyanate-mediated reaction to graft polycaprolactone (PCL) chains with various molecular weights on their surface. Grafted nanoparticles were characterized by X-ray diff...

journal_title：Biomacromolecules

authors： Habibi Y,Dufresne A

更新日期：2008-07-01 00:00:00

abstract：:Orb-weaving spider silk fibers are assembled from very large, highly repetitive proteins. The repeated segments contain, in turn, short, simple, and repetitive amino acid motifs that account for the physical and mechanical properties of the assembled fiber. Of the six orb-weaver silk fibroins, the piriform silk that m...

journal_title：Biomacromolecules

authors： Perry DJ,Bittencourt D,Siltberg-Liberles J,Rech EL,Lewis RV

更新日期：2010-11-08 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：:Cationic kraft lignin (CKL) macromolecules were produced via polymerizing kraft lignin (KL) with [2-(acryloyloxy)ethyl]trimethylammonium chloride (ATAC) or [2-(methacryloyloxy)ethyl]trimethylammonium methyl sulfate (METAM). Despite slightly different charge densities (2.3-2.5 mmol/g) of CKL, lignin-METAM (KL-METAM) ha...

journal_title：Biomacromolecules

authors： Sabaghi S,Fatehi P

更新日期：2019-10-14 00:00:00

abstract：:We report the synthesis of poly(methacrylic acid)-co-(oleyl methacrylate) with three different amounts of oleyl methacrylate and compare the ability of these polymers with that of poly(methacrylic acid)-co-(cholesteryl methacrylate) (PMA(c)) to noncovalently anchor liposomes to polymer layers. We subsequently assemble...

journal_title：Biomacromolecules

authors： Hosta-Rigau L,Chandrawati R,Saveriades E,Odermatt PD,Postma A,Ercole F,Breheney K,Wark KL,Städler B,Caruso F

更新日期：2010-12-13 00:00:00

abstract：:This investigation describes the formulation and characterization of rheologically structured vehicles (RSVs) designed for improved drug delivery to the vagina. Interactive, multicomponent, polymeric platforms were manufactured containing hydroxyethylcellulose (HEC, 5% w/w) polyvinylpyrrolidone (PVP, 4% w/w), Pluronic...

journal_title：Biomacromolecules

authors： Andrews GP,Donnelly L,Jones DS,Curran RM,Morrow RJ,Woolfson AD,Malcolm RK

更新日期：2009-09-14 00:00:00

abstract：:Water soluble polymer anticancer conjugates can improve the pharmacokinetics of covalently bound drugs by limiting cellular uptake to the endocytic route, thus prolonging plasma circulation time and consequently facilitating tumor targeting by the enhanced permeability and retention (EPR) effect. Many of the first gen...

journal_title：Biomacromolecules

authors： Andersson L,Davies J,Duncan R,Ferruti P,Ford J,Kneller S,Mendichi R,Pasut G,Schiavon O,Summerford C,Tirk A,Veronese FM,Vincenzi V,Wu G

更新日期：2005-03-01 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：:Cellulose nanofibers were prepared by TEMPO-mediated oxidation of wood pulp and tunicate cellulose. The cellulose nanofiber suspension in water was spun into an acetone coagulation bath. The spinning rate was varied from 0.1 to 100 m/min to align the nanofibers to the spun fibers. The fibers spun from the wood nanofib...

journal_title：Biomacromolecules

authors： Iwamoto S,Isogai A,Iwata T

更新日期：2011-03-14 00:00:00

abstract：:Double-network (DN) hydrogels are fabricated from poly(2-ethyl-2-oxazoline) (PEOXA)-peptide conjugates, which can be enzymatically crosslinked in the presence of Sortase A (SA), and physical networks of alginate (Alg), yielding matrices with improved mechanical properties with respect to the corresponding PEOXA and Al...

journal_title：Biomacromolecules

authors： Trachsel L,Johnbosco C,Lang T,Benetti EM,Zenobi-Wong M

更新日期：2019-12-09 00:00:00

abstract：:A series of structurally diverse polymers, containing either peptide or vinyl-derived backbones, was tested for ice recrystallization inhibition activity, which is commonly associated with antifreeze (glyco)proteins. It was revealed that only polymers bearing hydroxyl groups in the side chain could inhibit ice growth....

journal_title：Biomacromolecules

authors： Gibson MI,Barker CA,Spain SG,Albertin L,Cameron NR

更新日期：2009-02-09 00:00:00

abstract：:Recent years have seen rapid growth in utilizing vegetable oils to derive a wide variety of polymers to replace petroleum-based polymers for minimizing environmental impact. Nonedible castor oil (CO) can be extracted from castor plants that grow easily, even in an arid land. CO is a promising source for developing sev...

journal_title：Biomacromolecules

authors： Chakraborty I,Chatterjee K

更新日期：2020-12-14 00:00:00