Abstract：
:The effect of moisture content and temperature on water diffusion into a modified high amylose (< or = 90%) maize thermoplastic starch blend was investigated. Gravimetric and magnetic resonance imaging (MRI) studies were conducted to elucidate the diffusion mechanism and diffusion coefficients for this system. The diffusion coefficient data demonstrated that the rate of water diffusion into this blend was significantly dependent upon temperature and moisture content. Water diffusion was faster at higher temperatures and generally for samples stored at higher relative humidity environments. It was revealed from the gravimetric data that water diffusion into this starch blend was Fickian; however, further analysis of the MRI images found that the water diffusion mechanism was exponentially dependent on the concentration. This result was determined by comparing experimental water concentration profiles to a theoretical model calculated using the implicit Crank-Nicolson finite difference method.
journal_name
Biomacromoleculesjournal_title
Biomacromoleculesauthors
Russo MA,Strounina E,Waret M,Nicholson T,Truss R,Halley PJdoi
10.1021/bm060791isubject
Has Abstractpub_date
2007-01-01 00:00:00pages
296-301issue
1eissn
1525-7797issn
1526-4602journal_volume
8pub_type
杂志文章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
pub_type： 杂志文章
doi：10.1021/bm049254t
更新日期：2005-05-01 00:00:00
abstract：:C13-dipeptides that did not gel on their own were found to form hydrogels when combined with mixtures (coassembly). At pH = 4.6, by mixing negatively charged C13-WD (C13-WD2- and/or C13-WD-) with C13-KW or C13-YK, where the side chain of K carried positive charge, two composite hydrogels with different mechanical prop...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/acs.biomac.0c01325
更新日期：2020-12-14 00:00:00
abstract：:Self-assembly in aqueous solution of two oppositely charged globular proteins, hen egg white lysozyme (LYS) and bovine calcium-depleted α-lactalbumin (apo α-LA), was investigated at pH 7.5. The aggregation rate of equimolar mixtures of the two proteins was determined using static and dynamic light scattering as a func...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm200264m
更新日期：2011-05-09 00:00:00
abstract：:PEO-PPO-PEO triblock copolymers have opposing effects on lipid membrane integrity: they can behave either as membrane sealants or as membrane permeabilizers. To gain insights into their biomembrane activities, the fundamental interactions between a series of PEO-based polymers and phospholipid vesicles were investigat...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm300847x
更新日期：2012-09-10 00:00:00
abstract：:Tethering drug substances to a gel network is an effective way of controlling the release kinetics of hydrogel-based drug delivery systems. Here, we report on in situ forming, biodegradable hydrogels that allow for the covalent attachment of peptides or proteins. Hydrogels were prepared by step-growth polymerization o...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm901235g
更新日期：2010-02-08 00:00:00
abstract：:Ferulic acid-based polymers with aliphatic linkages have been previously synthesized via solution polymerization methods, yet they feature relatively slow ferulic acid release rates (∼11 months to 100% completion). To achieve a more rapid release rate as required in skin care formulations, ferulic acid-based polymers ...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/acs.biomac.5b00824
更新日期：2015-09-14 00:00:00
abstract：:Hybrid dendritic-linear block copolymers based on a 4-arm poly(ethylene glycol) (PEG) core were synthesized using an accelerated AB2/CD2 dendritic growth approach through orthogonal amine/epoxy and thiol-yne chemistries. The biological activity of these 4-arm and the corresponding 2-arm hybrid dendrimers revealed an e...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm301384y
更新日期：2012-12-10 00:00:00
abstract：:Tissue engineering approaches need biomaterials with suitable properties to provide an appropriate environment for cell attachment and growth. The performance of these biomaterials can be greatly enhanced through the incorporation of bioactive agents. For this reason, we developed chitosan films with cell-attachment a...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm701049g
更新日期：2008-02-01 00:00:00
abstract：:The elegant elasticity and toughness of muscles that are controlled by myofilament sliding, highly elastic springlike properties of titin, and Ca2+-induced conformational change of the troponin complex have been a source of inspiration to develop advanced materials for simulating elastic muscle motion. Herein, a highl...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/acs.biomac.0c01002
更新日期：2020-10-12 00:00:00
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journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm1011536
更新日期：2011-02-14 00:00:00
abstract：:Strategies to prevent the uptake of modified low density lipoproteins (LDLs) by immune cells, a major trigger of inflammation and atherogenesis, are challenged by complex interfacial factors governing LDL receptor-mediated uptake. We examine a new approach based on a family of "nanoblockers", which are designed to exa...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm0600872
更新日期：2006-06-01 00:00:00
abstract：:Hydrogels are attractive materials for the controlled release of therapeutics because of their capacity to embed biologically active agents in their water-swollen network. Recent advances in organic and polymer chemistry, bioengineering and nanotechnology have resulted in several new developments in the field of hydro...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/acs.biomac.6b01604
更新日期：2017-02-13 00:00:00
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journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm2004912
更新日期：2011-10-10 00:00:00
abstract：:Nitrilotriacetic amine (NTA)-functionalized nanoparticles obtained by aqueous polymerization-induced self-assembly (PISA) are introduced as immobilization supports for polyhistidine-functionalized (His-tagged) enzymes. A novel initiator for nitroxide-mediated polymerization based on the nitroxide SG1 and carrying a pr...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/acs.biomac.7b00677
更新日期：2017-09-11 00:00:00
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journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm049941k
更新日期：2004-07-01 00:00:00
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journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm800874q
更新日期：2008-10-01 00:00:00
abstract：:Single-molecule total internal reflection fluorescence microscopy was used to observe the dynamic behavior of polycytosine single-stranded DNA (ssDNA) (1-50 nucleotides long) at the interface between aqueous solution and hydrophilic (oligoethylene glycol-modified fused silica, OEG) and hydrophobic (octadecyltriethoxys...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm301289n
更新日期：2012-12-10 00:00:00
abstract：:Electrically conductive hydrogel composites consisting of oligo(polyethylene glycol) fumarate (OPF) and polypyrrole (PPy) were developed for applications in nerve regeneration. OPF-PPy scaffolds were synthesized using three different anions: naphthalene-2-sulfonic acid sodium salt (NSA), dodecylbenzenesulfonic acid so...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm100526a
更新日期：2010-11-08 00:00:00
abstract：:Biodegradable multilayered capsules encapsulating basic fibroblast growth factor (bFGF) were developed as a cytokine release carrier for drug delivery systems. The multilayered hollow capsules were fabricated via the layer-by-layer (LbL) assembly of chitosan (CT) and dextran sulfate (Dex). The bFGF was encapsulated in...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm800321w
更新日期：2008-08-01 00:00:00
abstract：:In the present study we describe the synthesis, wet spinning, mechanical testing, and degradation of poly(urethane urea)s (PUURs) intended for clinical use in anterior cruciate ligament (ACL) reconstruction. The effects of soft segment chemical composition and molar mass and the kind of diamine chain extender on the m...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm025535u
更新日期：2002-09-01 00:00:00
abstract：:We utilize an aqueous extract of fish proteins (FPs) as a coating for minimizing the adsorption of fibrinogen (Fg) and human serum albumin (HSA). The surfaces include stainless steel (SS), gold (Au), silicon dioxide (SiO(2)), and poly(styrene) (PS). The adsorption processes (kinetics and adsorbed mass) are followed by...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm900589r
更新日期：2009-10-12 00:00:00
abstract：:The complement system plays an important role in innate and adaptive immunity, which suggests that complement activation could be exploited as a potential strategy for vaccine adjuvants. Here we explored the potential of chitosan-based microparticles (CS-NH2 MPs) as a vaccine adjuvant with an active surface for comple...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm400930k
更新日期：2013-09-09 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
pub_type： 杂志文章
doi：10.1021/bm801162e
更新日期：2009-04-13 00:00:00
abstract：:We investigate the effects of mixing a colloidal suspension of tunicate-derived cellulose nanocrystals (t-CNCs) with aqueous colloidal suspensions of two protein diblock copolymers, EC and CE, which bear two different self-assembling domains (SADs) derived from elastin (E) and the coiled-coil region of cartilage oligo...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm401304w
更新日期：2013-12-09 00:00:00
abstract：:The fate of intravenously injected nanoparticles (NPs) is significantly affected by nano-protein interaction and corona formation. However, such an interaction between NPs and digestive enzymes occurring in the gastrointestinal tract (GIT) and its impacts on epithelial cell uptake are little known. We synthesized the ...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/acs.biomac.9b00175
更新日期：2019-04-08 00:00:00
abstract：:N-(3-Aminopropyl)pyrrole was covalently coupled with alginate in an aqueous-phase reaction by means of carbodiimide-mediated activation chemistry to provide a pyrrole-alginate conjugate for subsequent use in biosensor applications. The pyrrole-alginate conjugate was quantified by UV spectroscopy at 230 nm, by an HPSEC...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm050339j
更新日期：2005-11-01 00:00:00
abstract：:Recent years have seen rapid growth in utilizing vegetable oils to derive a wide variety of polymers to replace petroleum-based polymers for minimizing environmental impact. Nonedible castor oil (CO) can be extracted from castor plants that grow easily, even in an arid land. CO is a promising source for developing sev...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/acs.biomac.0c01291
更新日期：2020-12-14 00:00:00
abstract：:The importance of the stabilization of the quaternary structure of multimeric enzymes has been illustrated using a model reaction with great industrial relevance: the enzymatic synthesis of ampicillin from 6-amino penicillanic acid (6APA) and phenylglycine methyl ester (PGM) catalyzed by the tetrameric enzyme alpha-am...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm000072i
更新日期：2001-04-01 00:00:00
abstract：:Following the work carried out on guar gum in our first paper of a series, the "pressure cell" solubilization method was applied to two other less highly substituted galactomannans: locust bean gum (LBG) and tara gum. True molecular solution of the polymers was achieved using appropriate temperature, time, and pressur...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/bm025517c
更新日期：2002-07-01 00:00:00
abstract：:We present an efficient approach to develop cellulose nanocrystal (CNC) hybrids with magnetically responsive Fe3O4 nanoparticles that were synthesized using the (Fe3+/Fe2+) coprecipitation. After 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO)-catalyzed oxidation of CNC, carbodiimide (EDC/NHS) was used for coupli...
journal_title：Biomacromolecules
pub_type： 杂志文章
doi：10.1021/acs.biomac.6b01778
更新日期：2017-03-13 00:00:00
