A serum-tolerant hydroxyl-modified polyethylenimine as versatile carriers of pDNA/siRNA.

abstract：:In this preliminary work we have prepared a fluorinated polymer capable of solubilizing an appreciable amount of O(2) and, at the same time, maintaining a higher water solubility than perfluoroalkanes investigated as injectable O(2) carriers. In particular, we describe the synthesis and characterization of a new macro...

journal_title：Macromolecular bioscience

authors： Mandracchia D,Piccionello AP,Pitarresi G,Pace A,Buscemi S,Giammona G

更新日期：2007-06-07 00:00:00

abstract：:Recently, the Foresight Institute has pronounced six economic challenges that can be addressed through the progress of nanotechnology. One of these is the health and longevity of human life. Amongst applications anticipated to provide a solution to this challenge, gene therapy appears to be particularly promising. In ...

journal_title：Macromolecular bioscience

authors： Lamarre B,Ryadnov MG

更新日期：2011-04-08 00:00:00

abstract：:A poly(o-methoxyaniline) (POMA)/DNA [weight fraction of DNA (W(DNA)) = 0.45] hybrid was prepared by mixing their solutions in sterilized double distilled water. The solution turned green upon aging for a longer time, and the doping of POMA by DNA was complete after about 15 d of aging. The doping was confirmed from th...

journal_title：Macromolecular bioscience

authors： Dawn A,Nandi AK

更新日期：2005-05-23 00:00:00

abstract：:The design and preparation of highly efficient drug delivery platforms using green methodologies is at the forefront of nanotherapeutics research. POxylated polyurea dendrimers are efficiently synthesized using a supercritical-assisted polymerization in carbon dioxide. These fluorescent, pH-responsive and water-solubl...

journal_title：Macromolecular bioscience

authors： Restani RB,Conde J,Pires RF,Martins P,Fernandes AR,Baptista PV,Bonifácio VD,Aguiar-Ricardo A

更新日期：2015-08-01 00:00:00

abstract：:The design of a novel polymer-modified overlayer composed of PPAPE and GPMS on a silicon wafer for immobilization of DNA molecules is described. After hydroxylation of Si(100) surfaces, GPMS molecules were self-assembled onto these surfaces. PPAPE molecules were then covalently attached to the epoxy-terminated surface...

journal_title：Macromolecular bioscience

authors： Demirel GB,Coşkun S,Kalkan M,Caykara T

更新日期：2009-05-13 00:00:00

abstract：:Microbial transglutaminase (mTG) and mushroom tyrosinase (MT) are used to crosslink B. mori silk fibroin/gelatin (SF/G) films. Crosslinked and uncrosslinked SF/G films show no phase separation. The thermal behavior and the conformational structure of SF/G films are strongly affected by blending and enzymatic treatment...

journal_title：Macromolecular bioscience

authors： Taddei P,Chiono V,Anghileri A,Vozzi G,Freddi G,Ciardelli G

更新日期：2013-11-01 00:00:00

abstract：:An arginine-leucine block copolypeptide (R60 L20 ) is synthesized, which is capable of forming vesicles with controllable sizes, able to transport hydrophilic cargo across the cell membrane, and exhibit relatively low cytotoxicity. The R60 L20 vesicles also possess the ability to deliver DNA into mammalian cells for t...

journal_title：Macromolecular bioscience

authors： Sun VZ,Choe UJ,Rodriguez AR,Dai H,Deming TJ,Kamei DT

更新日期：2013-05-01 00:00:00

abstract：:In this study, PLLA nanofibers are fabricated by electrospinning and their surfaces are modified by laminin/chitosan (LN/CS) polyelectrolyte multilayer. Surface C/N ratio determined by XPS analysis quantitatively indicates of discrete coating layers on the nanofibers. The amount of LN deposited sustainably increases w...

journal_title：Macromolecular bioscience

authors： He L,Tang S,Prabhakaran MP,Liao S,Tian L,Zhang Y,Xue W,Ramakrishna S

更新日期：2013-11-01 00:00:00

abstract：:The amyloid-β peptide (Aβ) plays a central role in the mechanism of Alzheimer's disease, being the main constituent of the plaque deposits found in AD brains. Aβ amyloid formation and deposition are due to a conformational switching to a β-enriched secondary structure. Our strategy to inhibit Aβ aggregation involves t...

journal_title：Macromolecular bioscience

authors： Saraiva AM,Cardoso I,Saraiva MJ,Tauer K,Pereira MC,Coelho MA,Möhwald H,Brezesinski G

更新日期：2010-10-08 00:00:00

abstract：:High-molecular-weight (co)polymers of trimethylene carbonate and D,L-lactide are efficiently crosslinked using PETA during gamma irradiation. Form-stable networks with gel contents of 86 ± 5 to 96 ± 1 are obtained from non-crystalline (co)polymers. Glass transition temperatures and elastic moduli of the networks can b...

journal_title：Macromolecular bioscience

authors： Bat E,van Kooten TG,Feijen J,Grijpma DW

更新日期：2011-07-07 00:00:00

abstract：:Silk fibroin is a useful protein polymer for biomaterials and tissue engineering. In this work, porogen leached scaffolds prepared from aqueous and HFIP silk solutions were reinforced through the addition of silk particles. This led to about 40 times increase in the specific compressive modulus and the yield strength ...

journal_title：Macromolecular bioscience

authors： Rajkhowa R,Gil ES,Kluge J,Numata K,Wang L,Wang X,Kaplan DL

更新日期：2010-06-11 00:00:00

abstract：:The preparation of mono- and multifilament sutures incorporating ibuprofen as an anti-inflammatory agent is considered. Poly(p-dioxanone) monofilament samples can be loaded by a molecular diffusion process using a swelling agent such as dichloromethane. The mechanical properties have been measured and have not shown a...

journal_title：Macromolecular bioscience

authors： Zurita R,Puiggalí J,Rodríguez-Galán A

更新日期：2006-09-15 00:00:00

abstract：:We report on a novel series of biomimetic polymers exhibiting interfacial properties similar to the extracellular matrix. A series of well-defined surfactant polymers were synthesized by simultaneously incorporating arginine-glycine-aspartic acid (RGD) peptide, dextran oligosaccharide, and hexyl ligands with controlle...

journal_title：Macromolecular bioscience

authors： Anderson EH,Ruegsegger MA,Murugesan G,Kottke-Marchant K,Marchant RE

更新日期：2004-08-09 00:00:00

abstract：:Aggregation is frequently encountered during coating nanoparticles, especially when the core is not solid and the coating polyelectrolytes are weak. Here, the coating of a nanoliposome with two weak polyelectrolytes, alginate and chitosan, is investigated. First, quartz crystal microbalance with dissipation, atomic fo...

journal_title：Macromolecular bioscience

authors： Nayef L,Castiello R,Tabrizian M

更新日期：2017-06-01 00:00:00

abstract：:Nanoparticles (NP) represent a promising tool for biomedical applications. Here, sulfonate- and phosphonate-functionalized polystyrene NP are analyzed for their interaction with human monocyte-derived dendritic cells (DC). Immature dendritic cells (iDC) display a higher time- and dose-dependent uptake of functionalize...

journal_title：Macromolecular bioscience

authors： Frick SU,Bacher N,Baier G,Mailänder V,Landfester K,Steinbrink K

更新日期：2012-12-01 00:00:00

abstract：:The synthesis of a zwitterionic polymer, poly-sulfobetaine (poly-SPB), which shows remarkable efficiency in the suppression of insulin aggregation is described. Hydrophobic modification of the polymer results in almost complete inhibition at very low polymer concentrations. Further studies reveal that these polymers f...

journal_title：Macromolecular bioscience

authors： Rajan R,Suzuki Y,Matsumura K

更新日期：2018-06-01 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：:Thermosensitive polymers enable externally controllable biomolecular interactions but hysteresis effects hamper the reversibility and repeated use of these materials. To quantify the temperature-dependent interactions and hysteresis effects, an optical adhesion assay based on poly(ethylene glycol) microgels (soft coll...

journal_title：Macromolecular bioscience

authors： Strzelczyk AK,Paul TJ,Schmidt S

更新日期：2020-10-01 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：:To tailor the erosion rate of polyanhydrides while retaining their surface erosion characteristics, new three-component polyanhydrides of sebacic acid, 1,3-bis(p-carboxyphenoxy)propane and poly(ethylene glycol) were synthesized. The hydrophilicity of the polymer increased and its mechanical strength decreased with inc...

journal_title：Macromolecular bioscience

authors： Hou S,McCauley LK,Ma PX

更新日期：2007-05-10 00:00:00

abstract：:Highly crystalline amylose-polytetrahydrofuran (PTHF) complexes can be obtained by employing organic solvents as washing agents after complex formation. The X-ray diffraction (XRD) of the washed complexes appear sharp at 12.9°-13.2° and 19.6°-20.1°, clear signs of the presence of V6I -amylose. Other diffraction peaks ...

journal_title：Macromolecular bioscience

authors： Rachmawati R,Woortman AJ,Loos K

更新日期：2014-01-01 00:00:00

abstract：:The preclinical development of nanomedicines raises several challenges and requires a comprehensive characterization. Among them is the evaluation of the biodistribution following systemic administration. In previous work, the biocompatibility and in vitro targeting ability of a glycol chitosan (GC) based nanogel have...

journal_title：Macromolecular bioscience

authors： Pereira P,Correia A,Gama FM

更新日期：2016-03-01 00:00:00

abstract：:Amino acid ester substituted polyphosphazenes are osteoactive benefiting from their phosphorus-containing chemical structure, which highlights interests in bone tissue engineering. To correlate their chemical structures with cell activities, in this study, poly[(ethyl alanato)0.3 (ethyl glycinato)0.7 phosphazene] (PAG...

journal_title：Macromolecular bioscience

authors： Huang Z,Yang L,Hu X,Huang Y,Cai Q,Ao Y,Yang X

更新日期：2019-06-01 00:00:00

abstract：:The unicellular cyanobacterium Cyanothece sp. CCY 0110 is a highly efficient producer of extracellular polymeric substances (EPS), releasing up to 75% of the polymer to the culture medium. The carbohydrate polymer released to the medium (RPS) was previously isolated and characterized; it is composed of nine different ...

journal_title：Macromolecular bioscience

authors： Leite JP,Mota R,Durão J,Neves SC,Barrias CC,Tamagnini P,Gales L

更新日期：2017-02-01 00:00:00

abstract：:The immobilization of enzymes into polymer hydrogels is a versatile approach to improve their stability and utility in biotechnological and biomedical applications. However, these systems typically show limited enzyme activity, due to unfavorable pore dimensions and low enzyme accessibility. Here, 3D jet writing of wa...

journal_title：Macromolecular bioscience

authors： Steier A,Schmieg B,Irtel von Brenndorff Y,Meier M,Nirschl H,Franzreb M,Lahann J

更新日期：2020-09-01 00:00:00

abstract：:Emphasizing the role of hydrogel stiffness and cellular differentiation, this study develops collagen and elastin-like polypeptide (ELP)-based bone regenerative hydrogels loaded with recombinant human bone morphogenetic protein-2 (rhBMP-2) and doxycycline with mechanical properties suitable for osteogenesis. The drug-...

journal_title：Macromolecular bioscience

authors： Pal P,Nguyen QC,Benton AH,Marquart ME,Janorkar AV

更新日期：2019-09-01 00:00:00

abstract：:Ischemic stroke occurs when a blood clot obstructs or narrows the arteries that supply blood to the brain. Currently, tissue plasminogen activator (tPA), a thrombolytic agent, is the only United States Food and Drug Administration (FDA)-approved pharmacologic treatment for ischemic stroke. Despite its effective usage,...

journal_title：Macromolecular bioscience

authors： Vankayala R,Corber SR,Mac JT,Rao MP,Shafie M,Anvari B

更新日期：2018-04-01 00:00:00

abstract：:An insoluble wheat proteins-based polymer networks with new functional groups and positive charges were prepared through grafting-coupling reactions. The networks were also flexible with a lower glass transition temperature since the existence of the grafted mobile segments. The multi-component/multi-phase systems bec...

journal_title：Macromolecular bioscience

authors： Kurniawan L,Qiao GG,Zhang X

更新日期：2009-01-09 00:00:00

abstract：:Enzyme immobilization is of high interest for industrial applications. However, immobilization may compromise enzyme activity or stability due to the harsh conditions which have to be applied. The authors therefore present a new and improved crosslinked layer-by-layer (cLbL) approach. Two different model enzymes (acid...

journal_title：Macromolecular bioscience

authors： Sieber S,Siegrist S,Schwarz S,Porta F,Schenk SH,Huwyler J

更新日期：2017-08-01 00:00:00

abstract：:In this study we formed and characterized dynamic hydrogel microspheres in which a protein conformational change was used to control microsphere volume changes and the release of an encapsulated drug. In particular, a specific biochemical ligand, trifluoperazine, induced calmodulin's nanometer scale conformation chang...

journal_title：Macromolecular bioscience

authors： King WJ,Pytel NJ,Ng K,Murphy WL

更新日期：2010-06-11 00:00:00