Facile synthetic procedure for omega, primary amine functionalization directly in water for subsequent fluorescent labeling and potential bioconjugation of RAFT-synthesized (co)polymers.

abstract：:Poly(L-lactide)-based microspheres having cationic or anionic surfaces were prepared using polydepsipeptide-block-poly(L-lactide)s as surfactants. Polydepsipeptide-block-poly(L-lactide)s having amino or carboxylic acid groups on their side chains were synthesized through anionic ring-opening polymerizations of L-lacti...

journal_title：Biomacromolecules

authors： Ouchi T,Toyohara M,Arimura H,Ohya Y

更新日期：2002-09-01 00:00:00

abstract：:In the present study, we monitored the conformation and chemical stability of a hydrophilic bottlebrush (BB) polymer in pure water and buffered saline solutions. We correlated these parameters to lubricating and wear protecting properties. Using the surface forces apparatus (SFA), we show that the BB polymer partially...

journal_title：Biomacromolecules

authors： Faivre J,Shrestha BR,Xie G,Delair T,David L,Matyjaszewski K,Banquy X

更新日期：2017-12-11 00:00:00

abstract：:Anionic copolymer systems containing sulfated monomers have great potential for delivery of cationic therapeutics, but N-isopropylacrylamide (NIPAm) 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS) copolymer nanoparticles have seen limited characterization to date with regard to physical properties relevant to load...

journal_title：Biomacromolecules

authors： Bartlett RL 2nd,Medow MR,Panitch A,Seal B

更新日期：2012-04-09 00:00:00

abstract：:A novel methacrylate monomer containing a quinolone moiety was synthesized and homopolymerized in N,N-dimethylformamide (DMF) by using azobisisobutyronitrile (AIBN) as an initiator. The new monomer was copolymerized with poly(ethylene glycol) methyl ether methacrylate (MPEGMA) in DMF using the same initiator. The mono...

journal_title：Biomacromolecules

authors： Dizman B,Elasri MO,Mathias LJ

更新日期：2005-01-01 00:00:00

abstract：:Click chemistry is a versatile tool for the synthesis and functionalization of polymeric biomaterials. Here, we describe a versatile new strategy for producing bioactive, protein-functionalized poly(ethylene glycol) (PEG) hydrogel microparticles that is based on sequential thiol-ene and tetrazine click reactions. Brie...

journal_title：Biomacromolecules

authors： Jivan F,Yegappan R,Pearce H,Carrow JK,McShane M,Gaharwar AK,Alge DL

更新日期：2016-11-14 00:00:00

abstract：:The structure of an extracellular polysaccharide (EPS) from Streptococcus thermophilus THS has been determined. A combination of component analysis, methylation analysis and NMR spectroscopy shows that the polysaccharide is composed of pentasaccharide repeating units. Sequential information was obtained by two-dimensi...

journal_title：Biomacromolecules

authors： Nordmark EL,Yang Z,Huttunen E,Widmalm G

更新日期：2005-01-01 00:00:00

abstract：:There is a distinct need for antimicrobial compounds that can act at surfaces without leaching into the environment. Such materials should be easy to synthesize, be easy to apply to surfaces, and display reasonable levels of antimicrobial and antifungal activity. Here we describe such a surface-active compound and dem...

journal_title：Biomacromolecules

authors： Ravikumar T,Murata H,Koepsel RR,Russell AJ

更新日期：2006-10-01 00:00:00

abstract：:Amino groups were covalently introduced onto a polycaprolactone (PCL) surface by the reaction between 1,6-hexanediamine and the ester groups of PCL. The occurrence of the aminolysis and the introduction of free NH(2) groups were verified qualitatively by fluorescence spectroscopy, where rhodamine B isothiocyanate was ...

journal_title：Biomacromolecules

authors： Zhu Y,Gao C,Liu X,Shen J

更新日期：2002-11-01 00:00:00

abstract：:Recently, we have developed a photopolymerizable poly(L-lysine) (PLL) that can be covalently incorporated into poly(ethylene glycol) diacrylate (PEGDA) hydrogels to improve their bioactivity by providing positive charges. To explore the potential of these PLL-grafted PEGDA hydrogels as a cell delivery vehicle and lumi...

journal_title：Biomacromolecules

authors： Cai L,Lu J,Sheen V,Wang S

更新日期：2012-05-14 00:00:00

abstract：:Biobased poly(γ-butyrolactone) (PγBL) as a fully biodegradable and bioabsorbable biomaterial has shown superior properties compared to those of other aliphatic polyesters. It is of great importance to prepare amphiphilic block copolymer containing PγBL block to make ordered nano-objects for biomedical applications suc...

journal_title：Biomacromolecules

authors： Shen Y,Zhang J,Zhao Z,Zhao N,Liu F,Li Z

更新日期：2019-01-14 00:00:00

abstract：:Exendin-4 (EX4), a glucagon-like peptide-1 receptor (GLP-1R) agonist that regulates blood glucose levels, has been used in the management of type-2 diabetes mellitus. EX4 can be PEGylated to improve its antidiabetic effects by enhancing its stability and extending the circulation half-life. Here, to determine whether ...

journal_title：Biomacromolecules

authors： Lee W,Park EJ,Kwak S,Lee KC,Na DH,Bae JS

更新日期：2016-03-14 00:00:00

abstract：:New aspects concerning the mechanism of formation of chitosan physical hydrogels without any cross-linking agent were studied. The gelation took place during the evaporation of a hydroalcoholic solution of chitosan. We first demonstrated that it was possible to form a physical hydrogel from a hydrochloride form of chi...

journal_title：Biomacromolecules

authors： Boucard N,Viton C,Domard A

更新日期：2005-11-01 00:00:00

abstract：:In this work we describe the application of amphiphilic N-(2-hydroxypropyl)methacrylamide (HPMA)-based copolymers as polymeric surfactants in miniemulsion techniques. HPMA-based copolymers with different ratios of HPMA (hydrophilic) to laurylmethacrylate (LMA; hydrophobic) units were synthesized by RAFT polymerization...

journal_title：Biomacromolecules

authors： Kelsch A,Tomcin S,Rausch K,Barz M,Mailänder V,Schmidt M,Landfester K,Zentel R

更新日期：2012-12-10 00:00:00

abstract：:Assembly of (bio)polymers into long-range anisotropic nanostructured gels and aerogels is of great interest in advanced material engineering since it enables directional tuning of properties, such as diffusivity, light, heat, and sound propagation, cell proliferation, and mechanical properties. Here we present an appr...

journal_title：Biomacromolecules

authors： Plappert SF,Nedelec JM,Rennhofer H,Lichtenegger HC,Bernstorff S,Liebner FW

更新日期：2018-11-12 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：:Solid films of deoxyribonucleic acid (DNA) containing a hydrated ionic liquid, choline dihydrogen phosphate (CDP), were prepared by a solvent-casting method. Thermal properties, aggregation structure, thermal molecular motion, and tensile properties of CDP-containing DNA films were examined by thermogravimetry (TG), w...

journal_title：Biomacromolecules

authors： Morimitsu Y,Matsuno H,Ohta N,Sekiguchi H,Takahara A,Tanaka K

更新日期：2020-02-10 00:00:00

abstract：:Amino acid-based poly(ester urea) (PEU) copolymers functionalized with pendant catechol groups that address the need for strongly adhesive yet degradable biomaterials have been developed. Lap-shear tests with aluminum adherends demonstrated that these polymers have lap-shear adhesion strengths near 1 MPa. An increase ...

journal_title：Biomacromolecules

authors： Zhou J,Defante AP,Lin F,Xu Y,Yu J,Gao Y,Childers E,Dhinojwala A,Becker ML

更新日期：2015-01-12 00:00:00

abstract：:We present a new design of peptide-polymer conjugates where a polymer chain is covalently linked to the side chain of a helix bundle-forming peptide. The effect of conjugated polymer chains on the peptide structure was examined using a de novo designed three-helix bundle and a photoactive four-helix bundle. Upon attac...

journal_title：Biomacromolecules

authors： Shu JY,Tan C,DeGrado WF,Xu T

更新日期：2008-08-01 00:00:00

abstract：:Protein polymers (long-chain proteins in which a specific amino acid sequence "monomer" is repeated through the molecule) are found widely in nature, and these materials exhibit a diverse array of physical properties. One class of self-assembling proteins is hydrophobic-polar (HP) protein polymers capable of self-asse...

journal_title：Biomacromolecules

authors： Marner WD 2nd,Shaikh AS,Muller SJ,Keasling JD

更新日期：2008-01-01 00:00:00

abstract：:The unsatisfied results of cancer therapy are caused by many issues and metastasis of cancer cells is one of the major challenge. It has been reported that inhibiting the SDF1/CXCR4 interaction can significantly reduce the metastasis of breast cancer cells to regional lymph nodes and lung. Herein, a nanogel system equ...

journal_title：Biomacromolecules

authors： Zhang F,Gong S,Wu J,Li H,Oupicky D,Sun M

更新日期：2017-06-12 00:00:00

abstract：:Low molecular weight random copolymers bearing protonated primary amine groups and hydrophobic alkyl groups in the side chains were synthesized and their activities against E. coli , S. aureus , human red blood cells, and human epithelial carcinoma cells (HEp-2) were quantified. The mole fraction of alkyl side chains ...

journal_title：Biomacromolecules

authors： Palermo EF,Sovadinova I,Kuroda K

更新日期：2009-11-09 00:00:00

abstract：:The structure of the Ca--alginate junction zones was investigated with X-ray scattering on gels prepared with different methods. Fiber diffraction reveals the popular egg-box model may not be the only possible structure for the junction zones. The (001) reflection, which should be extinguished due to 2/1 helical confo...

journal_title：Biomacromolecules

authors： Li L,Fang Y,Vreeker R,Appelqvist I,Mendes E

更新日期：2007-02-01 00:00:00

abstract：:Native hemicellulose lacks many of the properties that make fossil fuel-based polymers excellent for use in today's industrial products and processes. The mechanical and thermal properties of the hemicellulose can, however, be modified, and its processability increased. We functionalized galactoglucomannan to lower it...

journal_title：Biomacromolecules

authors： Härdelin L,Bernin D,Börjesson M,Ström A,Larsson A

更新日期：2020-05-11 00:00:00

abstract：:We report the preparation, characterization, and mechanical properties of DNA/poly(allylamine hydrochloride) (PAH) multilayer microcapsules. The DNA/PAH multilayers were first constructed on a planar support to examine their layer-by-layer buildup. Surface plasmon resonance spectroscopy (SPR) showed a nonlinear growth...

journal_title：Biomacromolecules

authors： Vinogradova OI,Lebedeva OV,Vasilev K,Gong H,Garcia-Turiel J,Kim BS

更新日期：2005-05-01 00:00:00

abstract：:The microstructure and the rheological properties of pure HM (high methoxyl) and LM (low methoxyl) pectin gels and of mixed HM/LM pectin gels have been investigated. Gel formation of either the HM or LM pectin, or both, was initiated in the mixed gels by varying the sucrose and Ca(2+) content. The microstructure was c...

journal_title：Biomacromolecules

authors： Löfgren C,Walkenström P,Hermansson AM

更新日期：2002-11-01 00:00:00

abstract：:A novel approach for the preparation of nano- and microcapsules in aqueous solutions by using thermoresponsive polymer (TRP) templates (mesoglobules) is described. The method comprised three steps: formation of mesoglobules, coating the templates by seeded radical copolymerization, followed by core dissolution and cor...

journal_title：Biomacromolecules

authors： Haladjova E,Toncheva-Moncheva N,Apostolova MD,Trzebicka B,Dworak A,Petrov P,Dimitrov I,Rangelov S,Tsvetanov CB

更新日期：2014-12-08 00:00:00

abstract：:Single-molecule measurements of the interaction of leukocyte function-associated antigen-1 (LFA-1), expressed on Jurkat T cells, with intercellular adhesion molecules-1 and -2 (ICAM-1 and ICAM-2) were conducted using atomic force microscopy (AFM). The force spectra (i.e., unbinding force versus loading rate) of both t...

journal_title：Biomacromolecules

authors： Wojcikiewicz EP,Abdulreda MH,Zhang X,Moy VT

更新日期：2006-11-01 00:00:00

abstract：:An efficient process for the synthesis of degradable hydrogels containing octa-betaine ester polyhedral oligomeric silsesquioxane (POSS) through efficient thiol-ene and Menschutkin click reactions was developed. The hydrogels exhibited a yield strength of 0.36 MPa and a compressive modulus of 4.38 MPa and displayed ex...

journal_title：Biomacromolecules

authors： Han J,Chen Q,Shen Y,Liu Z,Hao X,Zhong M,Zhao Z,Bockstaller MR

更新日期：2020-09-14 00:00:00

abstract：:Immunological detection has been developed into a sensitive and versatile technique and is based on two requisite elements: targeting antibodies and an indicator, usually in the form of horseradish peroxidase or alkaline phosphatase. The specificity and turnover rate of these enzymes provide an efficient means of sign...

journal_title：Biomacromolecules

authors： Wurtzler EM,Wendell D

更新日期：2014-01-13 00:00:00

abstract：:Softwood and hardwood celluloses were oxidized by 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO)-mediated oxidation. The TEMPO-oxidized cellulose fibers were converted to transparent dispersions in water, which consisted of individual nanofibers 3-4 nm in width. Films were then prepared from the TEMPO-oxidized c...

journal_title：Biomacromolecules

authors： Fukuzumi H,Saito T,Iwata T,Kumamoto Y,Isogai A

更新日期：2009-01-12 00:00:00