Porosity-Tuned Chitosan-Polyacrylamide Hydrogel Microspheres for Improved Protein Conjugation.

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：:Synthetic and natural mucoadhesive biomaterials in optimized galenical formulations are potentially useful for the transmucosal delivery of active ingredients to improve their localized and prolonged effects. Chitosans (CS) have potent mucoadhesive characteristics, but the exact mechanisms underpinning such interactio...

journal_title：Biomacromolecules

authors： Menchicchi B,Fuenzalida JP,Bobbili KB,Hensel A,Swamy MJ,Goycoolea FM

更新日期：2014-10-13 00:00:00

abstract：:Although composed simply of glucose polymers, the starch granule is a complex, semicrystalline structure. Much of this complexity arises from the fact that the two primary enzymes of synthesis-starch synthase and starch-branching enzyme-exist as multiple isoforms. Each form has distinct properties and plays a unique r...

journal_title：Biomacromolecules

authors： Smith AM

更新日期：2001-07-01 00:00:00

abstract：:The rational design of a polyplex gene carrier aims to balance maximal effectiveness of nucleic acid transfection into cells with minimal adverse effects. Depsipeptide blocks with an Mn ∼ 5 kDa exhibiting strong physical interactions were conjugated with PEI moieties (2.5 or 10 kDa) to di- and triblock copolymers. Upo...

journal_title：Biomacromolecules

authors： Wang W,Naolou T,Ma N,Deng Z,Xu X,Mansfeld U,Wischke C,Gossen M,Neffe AT,Lendlein A

更新日期：2017-11-13 00:00:00

abstract：:Oligopeptide hydrogels are emerging as useful matrices for cell culture with commercial products on the market, but L-oligopeptides are labile to proteases. An obvious solution is to create D-oligopeptide hydrogels, which lack enzymatic recognition. However, D-oligopeptide matrices do not support cell growth as well a...

journal_title：Biomacromolecules

authors： Hyland LL,Twomey JD,Vogel S,Hsieh AH,Yu YB

更新日期：2013-02-11 00:00:00

abstract：:A comprehensive understanding of the mechanism by which type I collagen (Col) interacts with hydroxyapatite nanoparticles (Hap NPs) in aqueous solutions is a pivotal step for guiding the design of biologically relevant nanocomposites with controlled hierarchical structure. In this paper we use a variety of Hap NPs dif...

journal_title：Biomacromolecules

authors： Colaço E,Brouri D,Aissaoui N,Cornette P,Dupres V,Domingos RF,Lambert JF,Maisonhaute E,Kirat KE,Landoulsi J

更新日期：2019-12-09 00:00:00

abstract：:Safe delivery systems that can not only encapsulate hydrophobic drug molecules, but also release them in response to specific triggers are important in several therapeutic and biomedical applications. In this paper, we have designed a nanogel based on molecules that are generally recognized as safe (GRAS). We have sho...

journal_title：Biomacromolecules

authors： Prasad P,Molla MR,Cui W,Canakci M,Osborne B,Mager J,Thayumanavan S

更新日期：2015-11-09 00:00:00

abstract：:A new 320-member polymer library of end-modified poly(β-amino ester)s was synthesized. This library was chosen such that small differences to the structures of component backbone, side-chain, and end-group monomers could be systematically and simultaneously evaluated. The in vitro transfection efficacy and cytotoxicit...

journal_title：Biomacromolecules

authors： Sunshine JC,Akanda MI,Li D,Kozielski KL,Green JJ

更新日期：2011-10-10 00:00:00

abstract：:Biomimetic nanoengineering built through integrating the specific cell membrane with artificially synthetic nanomedicines represents one of the most promising directions for the actualization of personalized therapy. For addressing the technical hurdle against the development of this biomimetic technology, the present...

journal_title：Biomacromolecules

authors： Zhu J,Zhang M,Zheng D,Hong S,Feng J,Zhang XZ

更新日期：2018-06-11 00:00:00

abstract：:RNA interference (RNAi) requires the intracellular delivery of RNA molecules to initiate the neutralization of targeted mRNA molecules, inhibiting the expression or translation of the targeted gene. Current polymers and lipids that are used to deliver RNA molecules are generally required to be positively charged, to a...

journal_title：Biomacromolecules

authors： Jiang Z,Cui W,Prasad P,Touve MA,Gianneschi NC,Mager J,Thayumanavan S

更新日期：2019-01-14 00:00:00

abstract：:Under the right conditions, some biological systems can maintain high viability after being frozen and thawed, but many others (e.g., organs and many mammalian cells) cannot. To increase the rates of post-thaw viability and widen the library of living cells and tissues that can be stored frozen, an improved understand...

journal_title：Biomacromolecules

authors： Burkey AA,Hillsley A,Harris DT,Baltzegar JR,Zhang DY,Sprague WW,Rosales AM,Lynd NA

更新日期：2020-08-10 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：:Inspired by tea stains, plant polyphenolic tannic acid (TA) was beneficially employed as the primer anchor for functional polymer brushes. The brominated TA (TABr) initiator primer was synthesized by partial modification of TA with alkyl bromide functionalities. TABr with trihydroxyphenyl moieties can readily anchor o...

journal_title：Biomacromolecules

authors： Pranantyo D,Xu LQ,Neoh KG,Kang ET,Ng YX,Teo SL

更新日期：2015-03-09 00:00:00

abstract：:As a result of improved relevance to in vivo physiology, in vitro studies are increasingly performed in diverse, three-dimensional (3D) biomaterials. However, material-cell type pairing effects on cytokine availability remain unclear. We cultured five cell types in agarose, alginate, collagen, Matrigel, or RGD-functio...

journal_title：Biomacromolecules

authors： Regier MC,Montanez-Sauri SI,Schwartz MP,Murphy WL,Beebe DJ,Sung KE

更新日期：2017-03-13 00:00:00

abstract：:Poly(beta-hydroxybutyrate) (PHB) modified with different amounts of pentaerythritol ethoxylate (PEE) has been synthesized using Ralstonia eutropha. The growth kinetics and the synthesis of PHB in the presence of PEE were modeled using appropriate differential equations for the mass balance of the two-stage process. Th...

journal_title：Biomacromolecules

authors： Jenzsch M,Volk N,Kressler J,Scholz C

更新日期：2001-10-01 00:00:00

abstract：:We described the preparation of the glycol chitosan/heparin immobilized iron oxide nanoparticles (composite NPs) as a magnetic resonance imaging agent with a tumor-targeting characteristic. The iron oxide nanoseeds used clinically as a magnetic resonance imaging agent were immobilized into the glycol chitosan/heparin ...

journal_title：Biomacromolecules

authors： Yuk SH,Oh KS,Cho SH,Lee BS,Kim SY,Kwak BK,Kim K,Kwon IC

更新日期：2011-06-13 00:00:00

abstract：:Nowadays the open and the patent literatures propose a large number of polymers whose main chains can be degraded usefully. Among these degradable polymers, aliphatic polyester-based polymeric structures are receiving special attention because they are all more or less sensitive to hydrolytic degradation, a feature of...

journal_title：Biomacromolecules

authors： Vert M

更新日期：2005-03-01 00:00:00

abstract：:We have constructed a tandem gene expression cassette containing three Ralstonia eutropha poly[(R)-3-hydroxybutyrate] (PHB) synthesis genes under the control of the Pichia pastoris glyceraldehyde-3-phosphate promoter and the green fluorescent protein (Gfp) under the control of the P. pastoris alcohol oxidase promoter....

journal_title：Biomacromolecules

authors： Vijayasankaran N,Carlson R,Srienc F

更新日期：2005-03-01 00:00:00

abstract：:Despite recent advances in tumor treatment through cancer immunotherapy, the efficacy of this approach remains to be improved. Looking forward to high rates of objective clinical response, cancer immunotherapy combined with chemotherapy has gained increasing attention recently. Here, we constructed liposomes with matr...

journal_title：Biomacromolecules

authors： Liu Y,Chen XG,Yang PP,Qiao ZY,Wang H

更新日期：2019-02-11 00:00:00

abstract：:Hydrogel fibers that possessed a cell-adhesive surface and were degradable via enzymatic reactions were developed for fabricating tubular constructs with smooth muscle cell (SMC) and endothelial cell (EC) layers, similar to native blood vessels, in collagen gels. The fibers were prepared by soaking hydrogel fibers pre...

journal_title：Biomacromolecules

authors： Sakai S,Yamaguchi S,Takei T,Kawakami K

更新日期：2008-07-01 00:00:00

abstract：:A series of poly(vinyl alcohol) amphiphilic derivatives have been prepared to obtain polymeric aggregates in aqueous phase holding thermodynamic instability. The aim was to evaluate their ability to interact with tumor cells eliciting selective cytotoxicity. The poly(vinyl alcohol) derivatives were prepared by partial...

journal_title：Biomacromolecules

authors： Orienti I,Zuccari G,Carosio R,Montaldo PG

更新日期：2005-09-01 00:00:00

abstract：:This paper shows a simple and effective way to avoid the dissociation of multimeric enzymes by coating their surface with a large cationic polymer (e.g., polyethylenimine (PEI)) by ionic exchange. As model enzymes, glutamate dehydrogenase (GDH) from Thermus thermophilus and formate dehydrogenase (FDH) from Pseudomonas...

journal_title：Biomacromolecules

authors： Bolivar JM,Rocha-Martin J,Mateo C,Cava F,Berenguer J,Fernandez-Lafuente R,Guisan JM

更新日期：2009-04-13 00:00:00

abstract：:On the basis of their versatile structure and chemistry as well as tunable mechanical properties, polymer brushes are well-suited as supports for enzyme immobilization. However, a robust surface design is hindered by an inadequate understanding of the impact on activity from the coupling motif and enzyme distribution ...

journal_title：Biomacromolecules

authors： Lane SM,Kuang Z,Yom J,Arifuzzaman S,Genzer J,Farmer B,Naik R,Vaia RA

更新日期：2011-05-09 00:00:00

abstract：:These studies illustrate synthetic paths to covalently attach T1 and Φ11 bacteriophages (phages) to inert polymeric surfaces while maintaining the bacteriophage's biological activities capable of killing deadly human pathogens. The first step involved the formation of acid (COOH) groups on polyethylene (PE) and polyte...

journal_title：Biomacromolecules

authors： Pearson HA,Sahukhal GS,Elasri MO,Urban MW

更新日期：2013-05-13 00:00:00

abstract：:Oscillatory shear rheometry has been used to study the gelation of beta-lactoglobulin at ambient in 50% v/v trifluoroethanol (TFE)/pH 7 aqueous buffer and in 50% v/v ethanol (EtOH)/water at pH 2. In contrast to what was found on heating aqueous solutions at pH 2 (Part 2 of this series), a more expected "chemical gelat...

journal_title：Biomacromolecules

authors： Gosal WS,Clark AH,Ross-Murphy SB

更新日期：2004-11-01 00:00:00

abstract：:In the present work, a novel synthetic methodology for the preparation of scaffold of biopolymeric nature is described. In particular, a porous gelatin scaffold was prepared by foam templating. The gas phase, nitrogen, was generated by means of the reaction between sulfamic acid and sodium nitrite in situ a concentrat...

journal_title：Biomacromolecules

authors： Barbetta A,Gumiero A,Pecci R,Bedini R,Dentini M

更新日期：2009-12-14 00:00:00

abstract：:In this study, an novel amphiphilic block copolymer P[PEGMA-b-(DEMA-co-APMA)]-FA and its cross-linker uracil-(CH2)6-uracil (U-(CH2)6-U) were synthesized and used as the targeted and pH-responsive nanocarriers for anticancer drug delivery. The hydrophobic block of the copolymer contains adenine (A) and tertiary amine m...

journal_title：Biomacromolecules

authors： Fan J,Zeng F,Wu S,Wang X

更新日期：2012-12-10 00:00:00

abstract：:A drying environment is always a proposition faced by dynamic living organisms using water, which are driven by biopolymer-based micro- and macrostructures. Here, we introduce a drying process for aqueous liquid crystalline (LC) solutions composed of biopolymer with extremely high molecular weight components such as p...

journal_title：Biomacromolecules

authors： Okeyoshi K,Okajima MK,Kaneko T

更新日期：2016-06-13 00:00:00

abstract：:The recombinant amylosucrase from Neisseria polysaccharea was used to glucosylate glycogen particles in vitro in the presence of sucrose as the glucosyl donor. The morphology and structure of the resulting insoluble products were shown to strongly depend on the initial sucrose/glycogen weight ratio. For the lower rati...

journal_title：Biomacromolecules

authors： Putaux JL,Potocki-Véronèse G,Remaud-Simeon M,Buleon A

更新日期：2006-06-01 00:00:00

abstract：:Cancer cells have a large amount of ROS (reactive oxygen species) because of disturbed ROS homeostasis. Cancer cells therefore undertake redox adaptation to drive proliferation in tumor environments and even survive during anticancer treatment by upregulating endogenous antioxidants. As one of antioxidant defense syst...

journal_title：Biomacromolecules

authors： Noh J,Jung E,Lee J,Hyun H,Hong S,Lee D

更新日期：2019-02-11 00:00:00