A biodegradable polymersome with pH-tuning on-off membrane based on poly(β-amino ester) for drug delivery.

abstract：:An electroactive amino/carboxyl-capped aniline tetramer (AT) is covalently grafted to the surface of hydroxyapatite (HA) nanoparticles to generate novel electroactive HA-AT nanoparticles. The amount of AT ranges from 16.5 to 34.0 wt% and is characterized by thermogravimetric analysis (TGA). The HA-AT nanoparticles are...

journal_title：Macromolecular bioscience

authors： Liu Y,Cui H,Zhuang X,Zhang P,Cui Y,Wang X,Wei Y,Chen X

更新日期：2013-03-01 00:00:00

abstract：:A simple continuous flow wet-spinning method to achieve mechanical reinforcement of the two oppositely charged biopolymers chitosan and gellan gum is described. The mechanical properties of these biopolymers are influenced by the order of addition. Using a facile method for mechanical reinforcement of gellan gum/chito...

journal_title：Macromolecular bioscience

authors： Granero AJ,Razal JM,Wallace GG,in het Panhuis M

更新日期：2009-04-08 00:00:00

abstract：:Metastasis is a pathogenic spread of cancer cells from the primary site to surrounding tissues and distant organs, making it one of the primary challenges for effective cancer treatment and the major cause of cancer mortality. Heparin-based biomaterials exhibit significant inhibition of cancer cell metastasis. In this...

journal_title：Macromolecular bioscience

authors： Andrgie AT,Mekuria SL,Addisu KD,Hailemeskel BZ,Hsu WH,Tsai HC,Lai JY

更新日期：2019-05-01 00:00:00

abstract：:Aggregation of denatured or unfolded proteins establishes a large energy barrier to spontaneous recovery of protein form and function following traumatic injury, tissue cryopreservation, and biopharmaceutical storage. Some tissues utilize small heat shock proteins (sHSPs) to prevent irreversible aggregation, which all...

journal_title：Macromolecular bioscience

authors： Poellmann MJ,Sosnick TR,Meredith SC,Lee RC

更新日期：2017-02-01 00:00:00

abstract：:The phase behavior of a water/hydroxypropyl cellulose/maleic acid-styrene copolymer (H2O/HPC/MAc-S) system was investigated in the semi-dilute range by turbidimetry, rheology, and optical microscopy. The two polymers under investigation form interpolymer complexes via hydrogen bonding. In the case of a total polymer c...

journal_title：Macromolecular bioscience

authors： Bumbu GG,Eckelt J,Wolf BA,Vasile C

更新日期：2005-10-20 00:00:00

abstract：:The nanostructure of a biomaterial surface has strong influence on cell behavior. The migration of cells on nanostructured surfaces, however, has not been investigated so far. In this study, we used PCL/PEG diblock copolymers as model surfaces to examine the effect of nanoislands on migration of different cells, inclu...

journal_title：Macromolecular bioscience

authors： Hsu SH,Tang CM,Chiu JJ,Liao TC,Lin CC,Iwata H

更新日期：2007-04-10 00:00:00

abstract：:Diblock and multiblock copolymers composed of a poly(D,L-lactide) (PLA) or poly(trimethylene carbonate) (PTMC) core with a hydrophilic chain of poly(ethylene glycol) (PEG) were prepared. These copolymers, in which the core is connected to PEG through a polyfunctional molecule such as citric, mucic, or tartaric acid, m...

journal_title：Macromolecular bioscience

authors： Ben-Shabat S,Kumar N,Domb AJ

更新日期：2006-12-08 00:00:00

abstract：:Polylaminin (polyLM) is a polymerized form of the extracellular matrix protein laminin obtained upon pH acidification. Here microscopy and spectroscopic tools are used to study the cell compatibility and the structural stability of polyLM, aiming at establishing its robustness as a biopolymer for therapeutic use. Poly...

journal_title：Macromolecular bioscience

authors： Freire E,Barroso MM,Klier RN,Coelho-Sampaio T

更新日期：2012-01-01 00:00:00

abstract：:Open-pore biodegradable foams with controlled porous architectures were prepared by combining gas foaming and microparticulate templating. Microparticulate composites of poly(epsilon-caprolactone) (PCL) and micrometric sodium chloride particles (NaCl), in concentrations ranging from 70/30 to 20/80 wt.-% of PCL/NaCl we...

journal_title：Macromolecular bioscience

authors： Salerno A,Iannace S,Netti PA

更新日期：2008-07-07 00:00:00

abstract：:A series of enzymatically recyclable poly(ester-urethane)s consisting of a biodegradable diurethane moiety as a hard segment and an ester moiety as an enzymatically cleavable linkage was chemo-enzymatically prepared by two routes. The poly(ester-urethane) was prepared by a) the ring-opening polymerization of a cyclic ...

journal_title：Macromolecular bioscience

authors： Soeda Y,Toshima K,Matsumura S

更新日期：2005-04-19 00:00:00

abstract：:Two chondrogenic factors, Dex and TGF-beta1, were incorporated into PLGA scaffolds and their chondrogenic potential was evaluated. The Dex-loaded PLGA scaffold was grafted with AA and heparin, the heparin-immobilized one was then reacted with TGF-beta1, yielding a PLGA/Dex-TGF (PLGA/D/T) scaffold. The scaffolds were s...

journal_title：Macromolecular bioscience

authors： Park K,Cho KJ,Kim JJ,Kim IH,Han DK

更新日期：2009-03-10 00:00:00

abstract：:The use of glycopolymer-functionalized resins (Resin-Glc), as a solid support, in column mode for bacterial/protein capture and quantification is explored. The Resin-Glc is synthesized from commercially available chloromethylated polystyrene resin and glycopolymer, and is characterized by fourier transform infrared sp...

journal_title：Macromolecular bioscience

authors： Ajish JK,Abraham HM,Subramanian M,Kumar KSA

更新日期：2020-12-18 00:00:00

abstract：:L-, P-, and E-Selectin are cell adhesion molecules that play a crucial role in leukocyte recruitment from the blood stream to the afflicted tissue in an acute and chronic inflammatory setting. Since selectins mediate the initial contact of leukocytes to the vascular endothelium, they have evolved as a valuable therape...

journal_title：Macromolecular bioscience

authors： Weinhart M,Gröger D,Enders S,Riese SB,Dernedde J,Kainthan RK,Brooks DE,Haag R

更新日期：2011-08-11 00:00:00

abstract：:Mussel-inspired poly(dopamine) (PDA) coating is proven to be a simple, versatile, and effective strategy to promote cell adhesion onto various substrates. In this study, the initial adhesive behavior of human umbilical vein endothelial cells (HUVECs) is evaluated on a PDA coating under serum-free conditions. It is fou...

journal_title：Macromolecular bioscience

authors： Wang JL,Ren KF,Chang H,Jia F,Li BC,Ji Y,Ji J

更新日期：2013-04-01 00:00:00

abstract：:Shape memory polymers (SMPs) are a class of polymeric materials used in various medical interventions such as vascular stents. In this work, two SMPs, thermoplastic (TP) and thermoset (TS), have been measured in vitro for the degree of cellular and protein adhesion, their ability to stimulate inflammatory cytokine pro...

journal_title：Macromolecular bioscience

authors： Cabanlit M,Maitland D,Wilson T,Simon S,Wun T,Gershwin ME,Van de Water J

更新日期：2007-01-05 00:00:00

abstract：:Different strategies of chemotherapeutics-based combination cancer therapy have presented enhanced antitumor efficiency and are widely used in clinical cancer treatments. However, several drawbacks of the systems for systemic administration, including low drug accumulation at tumor sites and significant systemic side ...

journal_title：Macromolecular bioscience

authors： Yu S,He C,Chen X

更新日期：2018-12-01 00:00:00

abstract：:Primary human megakaryocytes, the precursor cells of platelets, are difficult to collect and cultivate. Polymers that enrich these cells without affecting their regulation or function are of interest for basic research as well as for cord blood transplantation purposes since co-transplantation of enriched megakaryocyt...

journal_title：Macromolecular bioscience

authors： Hansen A,Corless S,Cleland A,Petrik J,Gilbert N,Bradley M

更新日期：2013-04-01 00:00:00

abstract：:Oligomerization of thiol-unprotected L-cysteine ethyl ester (Cys-OEt) catalyzed by proteinase K in aqueous solution has been used to synthesize oligo(L-cysteine) (OligoCys) with a well-defined chemical structure and relatively large degree of polymerization (DP) up to 16-17 (average 8.8). By using a high concentration...

journal_title：Macromolecular bioscience

authors： Ma Y,Sato R,Li Z,Numata K

更新日期：2016-01-01 00:00:00

abstract：:N-Acetyl-l-cysteine (NAC)-capped poly(methyl methacrylate)-b-polycaprolactone block copolymer (PMMA-b-PCL-NAC) was prepared using the previously described one-pot photoinduced sequential CuAAC/thiol-ene double click procedure. PMMA-b-PCL-NAC had previously shown good applicability as a matrix for cell adhesion of cell...

journal_title：Macromolecular bioscience

authors： Oyman Eyrilmez G,Doran S,Murtezi E,Demir B,Odaci Demirkol D,Coskunol H,Timur S,Yagci Y

更新日期：2015-09-01 00:00:00

abstract：:The antitumor activity of a colon-specific N-(2-hydroxypropyl)methacrylamide (HPMA) copolymer - 9-aminocamptothecin (9-AC) conjugate (P-9-AC) was assessed in orthotopic and subcutaneous animal (HT29 xenograft) tumor models. P-9-AC treatment of mice bearing orthotopic colon tumors, with a dose of 3 mg/kg of 9-AC equiva...

journal_title：Macromolecular bioscience

authors： Gao SQ,Sun Y,Kopecková P,Peterson CM,Kopecek J

更新日期：2009-11-10 00:00:00

abstract：:O-carboxymethylchitin (molecular weight = 1.07 x 10(5), degree of carboxymethylation = 80%, degree of N-acetylation = 91%) was chemically attached to superoxide dismutase by the formation of amide linkages through a carbodiimide catalyzed reaction. The glycosidated enzyme contained about 1.8 mole of polysaccharide per...

journal_title：Macromolecular bioscience

authors： Valdivia A,Perez Y,Dominguez A,Caballero J,Gomez L,Schacht EH,Villalonga R

更新日期：2005-02-23 00:00:00

abstract：:Chitosan is non-toxic, biocompatible, and biodegradable polysaccharide from renewable resources, known to have inherent antibacterial activity, which is mainly due to its polycationic nature. The combining of all assets of chitosan and its derivatives with the unique properties of electrospun nanofibrous materials is ...

journal_title：Macromolecular bioscience

authors： Ignatova M,Manolova N,Rashkov I

更新日期：2013-07-01 00:00:00

abstract：:Bioinks play a key role in determining the capability of the biofabricatoin processes and the resolution of the printed constructs. Excellent biocompatibility, tunable physical properties, and ease of chemical or biological modifications of gelatin methacryloyl (GelMA) have made it an attractive choice as bioinks for ...

journal_title：Macromolecular bioscience

authors： Kumar H,Sakthivel K,Mohamed MGA,Boras E,Shin SR,Kim K

更新日期：2021-01-01 00:00:00

abstract：:Biocompatible polymeric coatings for metallic stents are desired, as currently used materials present limitations such as deformation during degradation and exponential loss of mechanical properties after implantation. These concerns, together with the present risks of the drug-eluting stents, namely, thrombosis and r...

journal_title：Macromolecular bioscience

authors： Navarro L,Mogosanu DE,de Jong T,Bakker AD,Schaubroeck D,Luna J,Rintoul I,Vanfleteren J,Dubruel P

更新日期：2016-11-01 00:00:00

abstract：:A tissue-engineering scaffold resembling the structure of the natural extracellular matrix can often facilitate tissue regeneration. Nerve and tendon are oriented micro-scale tissue bundles. In this study, a method combining injection molding and thermally induced phase separation techniques is developed to create sin...

journal_title：Macromolecular bioscience

authors： Sun C,Jin X,Holzwarth JM,Liu X,Hu J,Gupte MJ,Zhao Y,Ma PX

更新日期：2012-06-01 00:00:00

abstract：:Poly[(R)-3-hydroxybutyrate] (P(3HB)) and its copolymers are accumulated by a wide variety of microorganisms as intracellular carbon and energy material, and are extensively studied as biodegradable and biocompatible thermoplastics. However, these microbial polyesters have not been recognized as practical because of th...

journal_title：Macromolecular bioscience

authors： Iwata T

更新日期：2005-08-12 00:00:00

abstract：:Microbubbles (MB) are routinely used as contrast agents for ultrasound (US) imaging. In recent years, MB have also attracted interest as drug delivery systems. Soft-shelled lipidic MB tend to be more advantageous for US imaging, while hard-shelled polymeric MB appear to be more suitable for drug delivery purposes beca...

journal_title：Macromolecular bioscience

authors： Appold L,Shi Y,Rütten S,Kühne A,Pich A,Kiessling F,Lammers T

更新日期：2017-10-01 00:00:00

abstract：:The use of PLA and PLA-g-AA/starch as materials for the controlled release of encapsulated PSB was evaluated. The results showed that the bacterium degraded both the PLA and the PLA-g-AA/starch composite films, resulting in cell release. Severe disruption of the film structure occurred after incubation for 60-90 d. Th...

journal_title：Macromolecular bioscience

authors： Wu CS

更新日期：2008-06-11 00:00:00

abstract：:In order to impart antibacterial properties to microfibrous electrospun materials from styrene/maleic anhydride copolymers, quaternized chitosan derivatives (QCh) containing alkyl substituents of different chain lengths are covalently attached to the mats. A complete inhibition of the growth of bacteria, S. aureus (Gr...

journal_title：Macromolecular bioscience

authors： Ignatova M,Petkova Z,Manolova N,Markova N,Rashkov I

更新日期：2012-01-01 00:00:00

abstract：:Microspheres of amphiphilic multi-block poly(ester-ether)s (PEE)s and poly(ester-ether-amide)s (PEEA)s based on poly(epsilon-caprolactone) (PCL) were investigated as delivery systems for proteins. The interest was mainly focused on the effect of their molecular structure and composition on the overall properties of th...

journal_title：Macromolecular bioscience

authors： Quaglia F,Ostacolo L,Nese G,De Rosa G,La Rotonda MI,Palumbo R,Maglio G

更新日期：2005-10-20 00:00:00