Biodegradable nanoparticles meet the bronchial airway barrier: how surface properties affect their interaction with mucus and epithelial cells.

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：:Branched amphiphilic copolymers were synthesized through the reversible addition-fragmentation chain transfer (RAFT) chain extension of a poly(methyl acrylate) macro-chain transfer agent using a protected galactose monomer and a polymerizable chain transfer agent branching unit. After galactose deprotection, the copol...

journal_title：Biomacromolecules

authors： Liau WT,Bonduelle C,Brochet M,Lecommandoux S,Kasko AM

更新日期：2015-01-12 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：:Starches from WT, lam, and r pea mutants differing in amylopectin/amylose contents (70, 90, and 28% amylopectin, respectively) were used in kinetic studies of pancreatic α-amylase action at 37 °C and for investigations of their supramolecular structure and physicochemical properties during heating. For WT and lam star...

journal_title：Biomacromolecules

authors： Tahir R,Ellis PR,Bogracheva TY,Meares-Taylor C,Butterworth PJ

更新日期：2011-01-10 00:00:00

abstract：:Highly fluorescent N-substituted 1-cyanobenz[f]isoindole chitosans (CBI-CSs) with various degrees of N-substitution (DS) were synthesized by reacting chitosan (CS) with naphthalene-2,3-dicarboxaldehyde (NDA) in the presence of cyanide under mild acidic conditions. Introduction of 1-cyanobenz[f]isoindole moieties into ...

journal_title：Biomacromolecules

authors： Gonil P,Sajomsang W,Ruktanonchai UR,Na Ubol P,Treetong A,Opanasopit P,Puttipipatkhachorn S

更新日期：2014-08-11 00:00:00

abstract：:Covalently modified albumin (BSA) microparticles were developed for potential use as an adjuvant in mucosal vaccines against hepatitis B. To synthesize consistent protein particles, a covalent approach was proposed to modify BSA. Our strategy was to bond maleic anhydride (MA) molecules to BSA structure by nucleophilic...

journal_title：Biomacromolecules

authors： Sitta DL,Guilherme MR,Garcia FP,Cellet TS,Nakamura CV,Muniz EC,Rubira AF

更新日期：2013-09-09 00:00:00

abstract：:We report a robust method to manufacture polyacrylamide-based functional hydrogel microspheres with readily tunable macroporous structures by utilizing a simple micromolding-based technique. Specifically, surface tension-induced droplet formation of aqueous solutions of chitosan and acrylamide in 2D-shaped micromolds ...

journal_title：Biomacromolecules

authors： Jung S,Abel JH,Starger JL,Yi H

更新日期：2016-07-11 00:00:00

abstract：:Many dental restorative dental composites still utilize 2,2-bis[4-(2-hydroxy-3-methacryloyloxy propoxy) phenyl] propane (Bis-GMA) as base resin. The high viscosity of Bis-GMA necessitates dilution with dimethacrylate ethers of low viscosity such as triethylene glycol dimethacrylate (TEGDMA). However, increased amounts...

journal_title：Biomacromolecules

authors： Kim JW,Kim LU,Kim CK,Cho BH,Kim OY

更新日期：2006-01-01 00:00:00

abstract：:The viscous mucus coating that adheres to the epithelial surfaces of mammalian organs provides protection for the underlying tissues and is an efficient barrier to drug delivery. Pulsed-gradient spin-echo NMR and small-angle neutron scattering have been used to study the aqueous solution interaction of various model p...

journal_title：Biomacromolecules

authors： Griffiths PC,Occhipinti P,Morris C,Heenan RK,King SM,Gumbleton M

更新日期：2010-01-11 00:00:00

abstract：:The aggregation phenomena in aqueous solutions of hydrophobically modified (HM) chitosan, containing 4 mol % of n-dodecyl side chains, were studied by viscometry and fluorescence spectroscopy with pyrene as a probe. The results are compared with those for unmodified chitosan. Surprisingly, fluorescence data reveal the...

journal_title：Biomacromolecules

authors： Philippova OE,Volkov EV,Sitnikova NL,Khokhlov AR,Desbrieres J,Rinaudo M

更新日期：2001-07-01 00:00:00

abstract：:The formation of a microvasculature is regulated in large part by cell-cell interactions. Ephrins and their Eph receptors mediate cell adhesion, repulsion, and migration, all critical processes in angiogenesis. (1) Here we use a covalently immobilized ephrinA1, conjugated to poly(ethylene glycol), to induce vessel for...

journal_title：Biomacromolecules

authors： Saik JE,Gould DJ,Keswani AH,Dickinson ME,West JL

更新日期：2011-07-11 00:00:00

abstract：:Amphiphilic polymer conetworks (APCNs) are materials with a very large interface between their hydrophilic and hydrophobic phases due to their nanophase-separated morphologies. Proteins were found to enrich in APCNs by up to 2 orders of magnitude when incubated in aqueous protein solutions, raising the question of the...

journal_title：Biomacromolecules

authors： Dech S,Cramer T,Ladisch R,Bruns N,Tiller JC

更新日期：2011-05-09 00:00:00

abstract：:Biofilm formation, in which bacteria are embedded within an extracellular matrix, is the default form of microbial life in most natural and engineered habitats. In this work, atomistic molecular dynamics simulations were employed to examine the self-assembly of the polysaccharide Granulan to provide insight into the m...

journal_title：Biomacromolecules

authors： Seviour T,Malde AK,Kjelleberg S,Yuan Z,Mark AE

更新日期：2012-06-11 00:00:00

abstract：:A novel pH and temperature sensitive block copolymer was prepared by adding pH sensitive moiety to temperature sensitive block copolymer. This block copolymer solution showed a reversible sol-gel transition by a small pH change in the range of pH 7.4-8.0 and also by the temperature change in the region of body tempera...

journal_title：Biomacromolecules

authors： Shim WS,Yoo JS,Bae YH,Lee DS

更新日期：2005-11-01 00:00:00

abstract：:Peptide RATEA16 spontaneously self-assembled into higher-order nanofiber hydrogels with extremely high water content (>99.5% (wt/vol)) under physiological condition. The hydrogels could undergo pH-reversible transitions from viscous solution to elastic hydrogel and to precipitate. The supramolecular self-assembly and ...

journal_title：Biomacromolecules

authors： Zhao Y,Yokoi H,Tanaka M,Kinoshita T,Tan T

更新日期：2008-06-01 00:00:00

abstract：:Aberrant expression of histone deacetylases (HDACs) is related to various types of cancer and is associated with increased proliferation of tumor cells. Hence, the detection of HDAC activities is of great significance for medical sciences as well as biological diagnostics. Herein, we report a hyperbranched polyester-b...

journal_title：Biomacromolecules

authors： Yu C,Wu Y,Zeng F,Li X,Shi J,Wu S

更新日期：2013-12-09 00:00:00

abstract：:Amphiphilic glycopolymers, polylactide-grafted dextran copolymers (Dex-g-PLA), were synthesized with a well-controlled architecture obtained through a three-step procedure: partial silylation of the dextran hydroxyl groups, ring-opening polymerization of D,L-lactide initiated from remaining hydroxyl groups, silylether...

journal_title：Biomacromolecules

authors： Raynaud J,Choquenet B,Marie E,Dellacherie E,Nouvel C,Six JL,Durand A

更新日期：2008-03-01 00:00:00

abstract：:There is compelling evidence that, beyond their traditional role in hemostasis and thrombosis, platelets play a significant role in mediating hematologic mechanisms of tumor metastasis by directly and indirectly interacting with pro-metastatic cancer cells. With this rationale, we hypothesized that platelets can be an...

journal_title：Biomacromolecules

authors： Modery-Pawlowski CL,Master AM,Pan V,Howard GP,Sen Gupta A

更新日期：2013-03-11 00:00:00

abstract：:Poly(ethylene glycol) (PEG) star polymers containing GRGDS (Gly-Arg-Gly-Asp-Ser) peptide sequences on the star periphery were synthesized by atom transfer radical polymerization (ATRP) of poly(ethylene glycol) methyl ether methacrylate (PEGMA), GRGDS modified poly(ethylene glycol) acrylate (GRGDS-PEG-Acryl), fluoresce...

journal_title：Biomacromolecules

authors： Cho HY,Gao H,Srinivasan A,Hong J,Bencherif SA,Siegwart DJ,Paik HJ,Hollinger JO,Matyjaszewski K

更新日期：2010-09-13 00:00:00

abstract：:Spherulites of poly(L-lactic acid) (PLLA) and of its blends with atactic poly(3-hydroxybutyrate) (a-PHB, from 10 to 75 wt %) were investigated by microfocus X-ray diffraction using synchrotron radiation. Radial scans in 5 microm steps with 3 microm beam diameter were performed. In PLLA, tens of identical diffraction i...

journal_title：Biomacromolecules

authors： Gazzano M,Focarete ML,Riekel C,Scandola M

更新日期：2004-03-01 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：: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：:Imbalanced homeostasis and oligomerization of the amyloid-β (Aβ) peptide in the brain are hallmarks of Alzheimer's disease (AD). Microglia and macrophages play a critical role in the etiology of AD either by clearing Aβ from the brain or inducing inflammation. Recent evidence suggests that clearance of Aβ by microglia...

journal_title：Biomacromolecules

authors： Richman M,Perelman A,Gertler A,Rahimipour S

更新日期：2013-01-14 00:00:00

abstract：:The copolymer of methyl methacrylate (MMA) and 2-[2',3',5'-triiodobenzoyl]oxoethyl methacrylate (1), ratio 3:1 (mass:mass), was prepared via a free-radical polymerization in bulk. The copolymer (M(w) = 97.8 kD and M(n) = 41.5 kD) was dissolved in chloroform and subsequently transformed into beads with a diameter in th...

journal_title：Biomacromolecules

authors： Saralidze K,Aldenhoff YB,Knetsch ML,Koole LH

更新日期：2003-05-01 00:00:00

abstract：:Saccharide-functionalized shell cross-linked (SCK) polymer micelles designed as polyvalent nanoscaffolds for selective interactions with receptors on Gram negative bacteria were constructed from mixed micelles composed of poly(acrylic acid-b-methyl acrylate) and mannosylated poly(acrylic acid-b-methyl acrylate). The m...

journal_title：Biomacromolecules

authors： Joralemon MJ,Murthy KS,Remsen EE,Becker ML,Wooley KL

更新日期：2004-05-01 00:00:00

abstract：:Hydrogel forming polysaccharides, such as the seaweed derived agarose, are well suited for wound dressing applications as they have excellent cell and soft tissue compatibility. For wound dressings, fibrous structure is desirable as the high surface area can favor adsorption of wound exudate and promote drug delivery....

journal_title：Biomacromolecules

authors： Forget A,Arya N,Randriantsilefisoa R,Miessmer F,Buck M,Ahmadi V,Jonas D,Blencowe A,Shastri VP

更新日期：2016-12-12 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：:Chemotherapy faces challenges, including poor aqueous solubility of the drugs, and cardiotoxicity. Micellar drug delivery systems (DDS) are used to encapsulate anticancer drugs for better therapeutic effects, however, with poor loading content. Herein, we synthesized a micellar DDS using γ-benzyloxy substituted poly(ε...

journal_title：Biomacromolecules

authors： Soltantabar P,Calubaquib EL,Mostafavi E,Biewer MC,Stefan MC

更新日期：2020-04-13 00:00:00

abstract：:Bioresponsive poly(amidoamine)s (PAA)s are currently under development as endosomolytic polymers for intracellular delivery of proteins and genes. Here for the first time, small-angle neutron scattering (SANS) is used to systematically investigate the pH-dependent conformational change of an endosomolytic polymer, the...

journal_title：Biomacromolecules

authors： Griffiths PC,Paul A,Khayat Z,Wan KW,King SM,Grillo I,Schweins R,Ferruti P,Franchini J,Duncan R

更新日期：2004-07-01 00:00:00

abstract：:The present study focuses on the formation of microcapsules containing catalytically active L-asparaginase (L-ASNase), a protein drug of high value in antileukemic therapy. We make use of the layer-by-layer (LbL) technique to coat protein-loaded calcium carbonate (CaCO3) particles with two or three poly dextran/poly-L...

journal_title：Biomacromolecules

authors： Karamitros CS,Yashchenok AM,Möhwald H,Skirtach AG,Konrad M

更新日期：2013-12-09 00:00:00