Sweet Vector for Gene Delivery: the Sugar Decoration of Polyplexes Reduces Cytotoxicity with a Balanced Effect on Gene Expression.

abstract：:The efficient internalization of TGF-beta inhibitor-loaded polyelectrolyte capsules and particles is studied in two HCC cell lines. Two polyelectrolyte pairs (biocompatible but not degradable and biodegradable crosslinked with gluteraldehyde) are employed for coating. The capsules are characterized by SEM. LY is succe...

journal_title：Macromolecular bioscience

authors： Baldassarre F,Vergaro V,Scarlino F,De Santis F,Lucarelli G,Torre AD,Ciccarella G,Rinaldi R,Giannelli G,Leporatti S

更新日期：2012-05-01 00:00:00

abstract：:Novel molecular ecological techniques were used to study changes in microbial community structure and population during degradation of polylactide (PLA)/organically modified layered silicates (OMLS) nanocomposites. Cloned gene sequences belonging to members of the phyla Actinobacteria and Ascomycota comprized the most...

journal_title：Macromolecular bioscience

authors： Sangwan P,Way C,Wu DY

更新日期：2009-07-07 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：:In drug delivery to the human brain, blood vessels are a significant hurdle because they restrict the entry of most solutes to protect brain. To overcome this hurdle, an in vitro 3D model for brain endothelial barrier is developed using a microfluidic device with hydrogel providing a 3D extracellular matrix scaffold. ...

journal_title：Macromolecular bioscience

authors： Chung B,Kim J,Nam J,Kim H,Jeong Y,Liu HW,Cho Y,Kim YH,Oh HJ,Chung S

更新日期：2020-06-01 00:00:00

abstract：:Extraction processes of natural fibers can be performed by different procedures that include mechanical, chemical and biological methods. Each method presents different advantages or drawbacks according to the amount of fiber produced or the quality and properties of fiber bundles obtained. In this study, biological n...

journal_title：Macromolecular bioscience

authors： Gañán P,Zuluaga R,Velez JM,Mondragon I

更新日期：2004-10-20 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：: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：:Although chronic lymphocytic leukemia (CLL) is the most common adult leukemia in Western world, it remains incurable with conventional chemotherapeutic agents. Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) is an antitumor candidate in cancer therapy. This study examines the proapoptotic effects...

journal_title：Macromolecular bioscience

authors： Franiak-Pietryga I,Ostrowska K,Maciejewski H,Appelhans D,Misiewicz M,Ziemba B,Bednarek M,Bryszewska M,Borowiec M

更新日期：2017-05-01 00:00:00

abstract：:The fabrication of 3D cell microenvironments exploiting versatile, long-term stable passivating poly(acryl amide) brushes in a microwell format and the study of the behavior of fibroblast and pancreatic tumor cells in wells of systematically varied shape and size is reported. The microwells, which are obtained by comb...

journal_title：Macromolecular bioscience

authors： Lilge I,Jiang S,Schönherr H

更新日期：2017-05-01 00:00:00

abstract：:Molecularly imprinted polymers (MIPs) are synthetic affinity matrices capable of selective binding a specific target molecule. A strategy for competitive selectivity studies is developed providing information on the selective binding properties of MIPs in complex matrices. Batch rebinding experiments entail the target...

journal_title：Macromolecular bioscience

authors： Pluhar B,Mizaikoff B

更新日期：2015-11-01 00:00:00

abstract：:"Three-layered micelles" (3LM) composed of two triblock copolymers, poly(L-lactide)-b-polyethyleneimine-b-poly(L-lactide) (PLLA-PEI-PLLA) and poly(L-lactide)-b-poly(ethylene glycol)-b-poly(L-lactide) (PLLA-PEG-PLLA) are designed to combine electrostatic interaction and solvent-induced condensation of DNA. The low mole...

journal_title：Macromolecular bioscience

authors： Abebe DG,Kandil R,Kraus T,Elsayed M,Merkel OM,Fujiwara T

更新日期：2015-05-01 00:00:00

abstract：:Basic fibroblast growth factor (bFGF) is an important protein for wound healing and angiogenesis in tissue engineering, but the lack of a viable delivery system hampers its clinical application. This study aims to maintain the long-term controlled release of bFGF by utilizing a collagen/heparin bi-affinity multilayer ...

journal_title：Macromolecular bioscience

authors： Hao W,Han J,Chu Y,Huang L,Zhuang Y,Sun J,Li X,Zhao Y,Chen Y,Dai J

更新日期：2018-11-01 00:00:00

abstract：:Blend films of silk fibroin and carboxymethyl chitin were prepared by solution casting using water as a cosolvent. The blend films were subjected to post-treatment with an aqueous methanol solution to induce beta-sheet formation of silk fibroin. The miscibility of the blend films both before and after methanol treatme...

journal_title：Macromolecular bioscience

authors： Wongpanit P,Tabata Y,Rujiravanit R

更新日期：2007-12-06 00:00:00

abstract：:Three types of multilayer films made from poly(L-lysine)/hyaluronan, chitosan/hyaluronan, and poly(allylamine hydrochloride)/poly(L-glutamic acid), were used to investigate the interplay between film mechano-chemical properties and cell adhesion. We showed that C2C12 myoblast adhesion and proliferation depended on the...

journal_title：Macromolecular bioscience

authors： Boudou T,Crouzier T,Nicolas C,Ren K,Picart C

更新日期：2011-01-10 00:00:00

abstract：:The preparation of histidine enriched dendritic peptide amphiphiles and their self-assembly into multicomponent pH-switchable supramolecular polymers is reported. Alternating histidine and phenylalanine peptide synthons allow the assembly/disassembly to be adjusted in a physiologically relevant range of pH 5.3-6.0. Co...

journal_title：Macromolecular bioscience

authors： Ahlers P,Frisch H,Holm R,Spitzer D,Barz M,Besenius P

更新日期：2017-10-01 00:00:00

abstract：:Implant failure is one of the major concerns in the biomaterials field. Several factors have been related to the fail but in general these biomaterials do not exhibit comparable physical, chemical or biological properties to natural tissues and ultimately, these devices can lead to chronic inflammation and foreign-bod...

journal_title：Macromolecular bioscience

authors： Marques AP,Reis RL,Hunt JA

更新日期：2005-08-12 00:00:00

abstract：:Photo-crosslinking and self-healing have received considerable attention for the design of intelligent materials. A novel photostimulated, self-healing, and cytocompatible hydrogel system is reported. A coumarin methacrylate crosslinker is synthesized to modify the polyacrylamide-based hydrogels. With the [2+2] cyclo-...

journal_title：Macromolecular bioscience

authors： Yu L,Xu K,Ge L,Wan W,Darabi A,Xing M,Zhong W

更新日期：2016-09-01 00:00:00

abstract：:Plasmid DNA (pDNA) is encapsulated into biocompatible microgels by an inverse microemulsion polymerization method. Plasmid DNA and doxorubicin are successfully released from pDNA microgels and their release profiles are characterized by appropriate release models. The co-delivery of genes and drugs from the microgels ...

journal_title：Macromolecular bioscience

authors： Costa D,Valente AJ,Miguel MG,Queiroz J

更新日期：2012-09-01 00:00:00

abstract：:Gelatin nanoparticles can be stabilized by entrapping them in Eudragit E100 nanospheres. The size of the nanospheres was dependent on the homogenization speed, producing nanospheres of 433 nm (8000 rpm) and 176 nm (15000 rpm). The nanoparticle morphology was critically dependent on Eudragit E100 concentration; with 2%...

journal_title：Macromolecular bioscience

authors： Khan SA,Schneider M

更新日期：2014-11-01 00:00:00

abstract：:Cell adhesion to a scaffold is a prerequisite for tissue engineering. Many studies have been focused on enhancing cell adhesion to synthetic materials that are used for scaffold fabrication. In this study, we applied an avidin-biotin binding system to enhance chondrocyte adhesion to biodegradable polymers. Biotin mole...

journal_title：Macromolecular bioscience

authors： Tsai WB,Wang MC

更新日期：2005-03-15 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：:Peptide dendrimers assembled by solid-phase peptide synthesis using a branching diamino acid at every 2(nd) or 3(rd) position provide readily accessible synthetic model systems for proteins and enzymes. They adopt a globular shape by topology rather than by folding. Peptide dendrimers of 2(nd) and 3(rd) generation fun...

journal_title：Macromolecular bioscience

authors： Delort E,Szöcs E,Widmer R,Siegenthaler H,Reymond JL

更新日期：2007-08-07 00:00:00

abstract：:In this work, the in vivo degradation and tissue compatibility of a novel class of inherently fluorescent copolyanhydrides, P(dCPS:SA), were investigated. It was found that the degradation of the copolyanhydrides increased with the increase of SA content in the copolymers. The in vivo degradation rate of the copolymer...

journal_title：Macromolecular bioscience

authors： Fan J,Li Y,Jiang H,Tang G,Wang L

更新日期：2008-05-13 00:00:00

abstract：:Protein-polymer conjugates are widely used to improve the pharmacokinetic properties of therapeutic proteins. Commercially available conjugates employ poly(ethylene glycol) (PEG) as the protective polymer; however, PEG has a number of shortcomings, including non-biodegradability and immunogenicity, that call for the d...

journal_title：Macromolecular bioscience

authors： Steinbach T,Becker G,Spiegel A,Figueiredo T,Russo D,Wurm FR

更新日期：2017-10-01 00:00:00

abstract：:Biodegradable hydrogels were synthesized by the click reaction of 4-arm azido-terminated PEG differing in molecular weight (2,100 and 8,800) and two alkyne-terminated peptides: [alkyne]-GFLGK-[alkyne] and ([alkyne]-GFLG)(2)K. The physical properties of in situ formed hydrogels were examined. The hydrogels were highly ...

journal_title：Macromolecular bioscience

authors： Yang J,Jacobsen MT,Pan H,Kopecek J

更新日期：2010-04-08 00:00:00

abstract：:Development of artificial tissues providing the proper geometrical, mechanical, and environmental cues for cells is highly coveted in the field of tissue engineering. Recently, microfabrication strategies in combination with other chemistries have been utilized to capture the architectural complexity of intricate orga...

journal_title：Macromolecular bioscience

authors： Kim MH,Kumar SK,Shirahama H,Seo J,Lee JH,Zhdanov VP,Cho NJ

更新日期：2016-03-01 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：:Pedobacter sp. KP-2 can degrade and metabolize thermally synthesized alpha,beta-poly(D,L-aspartic acid) (tPAA), which contains 70% of unnatural beta-amide units, with high-molecular-weight. In this study, gene cloning and molecular characterization of PAA hydrolase-1 from KP-2 was carried out. Gene analysis reveals th...

journal_title：Macromolecular bioscience

authors： Hiraishi T,Masuda E,Kanayama N,Nagata M,Doi Y,Abe H,Maeda M

更新日期：2009-01-09 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：: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