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Themed collection 2013 Journal of Materials Chemistry B Hot Papers

29 items
Feature Article

Injectable biodegradable hydrogels: progress and challenges

Over the past decades, injectable hydrogels have emerged as promising biomaterials because of their biocompatibility, excellent permeability, minimal invasion, and easy integration into surgical procedures.

Graphical abstract: Injectable biodegradable hydrogels: progress and challenges
Feature Article

Filomicelles in nanomedicine – from flexible, fragmentable, and ligand-targetable drug carrier designs to combination therapy for brain tumors

Nanoparticles that are made by self-assembly into nonspherical shapes are promising as drug delivery vehicles that interact differently with cells and in flow.

Graphical abstract: Filomicelles in nanomedicine – from flexible, fragmentable, and ligand-targetable drug carrier designs to combination therapy for brain tumors
From the themed collection: Nanoparticles in Biology
Open Access Feature Article

Hydrogen-bonds in molecular solids – from biological systems to organic electronics

Hydrogen-bonding (H-bonding) is a relatively strong, highly directional, and specific noncovalent interaction present in many organic molecules, and notably is responsible for supramolecular ordering in biological systems. This article aims to highlight recent work on the application of nature-inspired H-bonded organic molecules in organic electronic devices.

Graphical abstract: Hydrogen-bonds in molecular solids – from biological systems to organic electronics
From the themed collection: Carbon Bioelectronics
Feature Article

Bioinspired prospects of graphene: from biosensing to energy

Bioinspired prospects of graphene and its related properties are reviewed with a focus from biosensing to energy.

Graphical abstract: Bioinspired prospects of graphene: from biosensing to energy
Communication

Buckycolumn electrodes: a practical and improved alternative to conventional materials utilised for biological electrochemical monitoring

Buckycolumn electrodes are less prone to dopamine fouling compared to glassy carbon and boron-doped diamond electrodes.

Graphical abstract: Buckycolumn electrodes: a practical and improved alternative to conventional materials utilised for biological electrochemical monitoring
Communication

Building triangular nanoprisms from the bottom-up: a polyelectrolyte micellar approach

Charge-regulated synthesis of triangular prisms in aqueous solution using self-assembled polyelectrolyte micelles as templates is described in detail.

Graphical abstract: Building triangular nanoprisms from the bottom-up: a polyelectrolyte micellar approach
Communication

Nanoscale organization of proteins via block copolymer lithography and non-covalent bioconjugation

Block copolymer lithography is employed to precisely organize proteins at the nanoscale. A low amount of biotinylated poly(ethylene glycol)-block-polystyrene (PEG-b-PS) blended with its non-functionalized counterpart yields a regular pattern of biotin that enables the immobilization of single streptavidin molecules.

Graphical abstract: Nanoscale organization of proteins via block copolymer lithography and non-covalent bioconjugation
Communication

DNA-functionalized silver nanoclusters as a chemopalette: tunable fluorescence for turn-on detection of cysteine

A strategy for rapid synthesis of a chemopalette of fluorescent Ag nanoclusters based on efficient directors by only incorporating mutated bases of a C-rich ssDNA as template was proposed and used as a new fluorescence turn-on highly selective and sensitive detection method for cysteine without the interference of GSH and Hcy.

Graphical abstract: DNA-functionalized silver nanoclusters as a chemopalette: tunable fluorescence for turn-on detection of cysteine
Paper

The role of poly(aspartic acid) in the precipitation of calcium phosphate in confinement

Calcium phosphate is precipitated in the presence of poly(aspartic acid) within the pores of track-etch membranes, as a model of the mineralization of collagen fibrils in vivo.

Graphical abstract: The role of poly(aspartic acid) in the precipitation of calcium phosphate in confinement
Open Access Paper

A water soluble fluorescent polymer as a dual colour sensor for temperature and a specific protein

Aqueous solutions of an acrylamide-based dye-labelled copolymer exhibit characteristic changes in photophysical properties in response to a change in solution temperature, as well as to the presence of an antibody.

Graphical abstract: A water soluble fluorescent polymer as a dual colour sensor for temperature and a specific protein
Paper

Rhodamine based sensor for naked-eye detection and live cell imaging of fluoride ions

A rhodamine based highly selective colorimetric and fluorescent probe for fluoride has been synthesized.

Graphical abstract: Rhodamine based sensor for naked-eye detection and live cell imaging of fluoride ions
Paper

Shape-controlled fabrication of micron-scale surface chemical gradients via electrochemically activated copper(I) “click” chemistry

An effective electrochemical method for the preparation of shape-tunable micron-scale surface chemical gradients via click chemistry.

Graphical abstract: Shape-controlled fabrication of micron-scale surface chemical gradients via electrochemically activated copper(i) “click” chemistry
Paper

Enhanced electrostatic discrimination of proteins on nanoparticle-coated surfaces

Two β-lactoglobulin (BLG) isoforms, BLGA and BLGB, were used a test bed for the differentiation of proteins using electrostatics.

Graphical abstract: Enhanced electrostatic discrimination of proteins on nanoparticle-coated surfaces
From the themed collection: Nanoparticles in Biology
Paper

Protein triggered fluorescence switching of near-infrared emitting nanoparticles for contrast-enhanced imaging

Near-infrared emission of squaraine dye modified poly(propargyl acrylate) nanoparticles is turned on/off through the interaction of proteins with the dye for contrast-enhanced imaging.

Graphical abstract: Protein triggered fluorescence switching of near-infrared emitting nanoparticles for contrast-enhanced imaging
Paper

Morphology dependent photosensitization and formation of singlet oxygen (1Δg) by gold and silver nanoparticles and its application in cancer treatment

Singlet O2 can be formed via photosensitization of silver decahedral nanoparticles upon NIR light irradiation, but not by silver nanocubes.

Graphical abstract: Morphology dependent photosensitization and formation of singlet oxygen (1Δg) by gold and silver nanoparticles and its application in cancer treatment
Paper

Impact of phosphorylation on the encapsulation of nucleoside analogues within porous iron(III) metal–organic framework MIL-100(Fe) nanoparticles

Encapsulation of azidothymidine (AZT) or its phosphorylated derivatives (AZT-MP and AZT-TP) has been performed using nanoparticles of the porous crystalline iron(III) trimesate metal–organic framework MIL-100(Fe).

Graphical abstract: Impact of phosphorylation on the encapsulation of nucleoside analogues within porous iron(iii) metal–organic framework MIL-100(Fe) nanoparticles
Paper

Theranostic magnetic nanoparticles for efficient capture and in situ chemotherapy of circulating tumor cells

Theranostic magnetic nanoparticles conjugated with targeting peptide SP94 and the anticancer drug doxorubicin (DOX) are designed for typical magnetic isolation of target cancer cells.

Graphical abstract: Theranostic magnetic nanoparticles for efficient capture and in situ chemotherapy of circulating tumor cells
Paper

Synthesis, stability, cellular uptake, and blood circulation time of carboxymethyl-inulin coated magnetic nanoparticles

Carboxymethyl-inulin is reported as a potential biocompatible nanoparticle coating.

Graphical abstract: Synthesis, stability, cellular uptake, and blood circulation time of carboxymethyl-inulin coated magnetic nanoparticles
Paper

Fabrication of 3D aligned nanofibrous tubes by direct electrospinning

A novel approach demonstrates the production of 3D aligned nanofibrous tubular constructs by direct electrospinning with several polymeric materials.

Graphical abstract: Fabrication of 3D aligned nanofibrous tubes by direct electrospinning
Open Access Paper

Preventing viral infections with polymeric virus catchers: a novel nanotechnological approach to anti-viral therapy

A novel method to prevent infectious viral diseases using molecularly imprinted polymers as virus catchers unlike traditional antiviral strategies.

Graphical abstract: Preventing viral infections with polymeric virus catchers: a novel nanotechnological approach to anti-viral therapy
Paper

Biocatalyzed mineralization in an aqueous two-phase system: effect of background polymers and enzyme partitioning

Enzyme partitioning controlled the site and rate of mineralization in a crowded, phase separated aqueous polymer solution.

Graphical abstract: Biocatalyzed mineralization in an aqueous two-phase system: effect of background polymers and enzyme partitioning
Paper

Molecular interactions in coupled PMMA–bioglass hybrid networks

The simplified schematic structure of the organic–inorganic hybrid and the 2D NMR spectra.

Graphical abstract: Molecular interactions in coupled PMMA–bioglass hybrid networks
Paper

Asymmetric PSt-EA/Ni-Silicate hollow microsphere with a hierarchical porous shell

Asymmetric hollow microspheres with PSt-EA semi-spherical cores and Ni-Silicate hierarchical porous shells have been prepared by a facile method and proven to be a potential candidate for storing and delivering bio-molecules.

Graphical abstract: Asymmetric PSt-EA/Ni-Silicate hollow microsphere with a hierarchical porous shell
Paper

Rationalization of the entrapping of bioactive molecules into a series of functionalized porous zirconium terephthalate MOFs

Rationalization of the most relevant chemical and structural features of a series of microporous functionalized zirconium(IV) terephthalates UiO-66 significantly affecting the biomolecules encapsulation.

Graphical abstract: Rationalization of the entrapping of bioactive molecules into a series of functionalized porous zirconium terephthalate MOFs
Paper

Electrochemically assisted bacteria encapsulation in thin hybrid sol–gel films

The electrochemically assisted bacteria encapsulation in thin hybrid sol–gel films is proposed for the preservation of bacterial viability on the electrode surface.

Graphical abstract: Electrochemically assisted bacteria encapsulation in thin hybrid sol–gel films
Paper

Layer-by-layer coating of alginate matrices with chitosan–alginate for the improved survival and targeted delivery of probiotic bacteria after oral administration

The layer-by-layer coating of alginate matrices with chitosan and alginate is shown to be a potentially effective oral delivery device for Bifidobacterium breve.

Graphical abstract: Layer-by-layer coating of alginate matrices with chitosan–alginate for the improved survival and targeted delivery of probiotic bacteria after oral administration
Paper

Combining magnetic field/temperature dual stimuli to significantly enhance gene transfection of nonviral vectors

Co-application of magnetic field and temperature dual stimuli leads to considerable improvement in the transfection performance of a nonviral vector.

Graphical abstract: Combining magnetic field/temperature dual stimuli to significantly enhance gene transfection of nonviral vectors
Paper

Theoretical understanding of single-stranded DNA assisted dispersion of graphene

Using atomistic molecular dynamics (MD) simulation, we investigate the structure and energetic of single-stranded DNA (ssDNA) assisted solubilisation of single-layer graphene in aqueous medium at room temperature.

Graphical abstract: Theoretical understanding of single-stranded DNA assisted dispersion of graphene
Paper

Biocompatible reduction-responsive polypeptide micelles as nanocarriers for enhanced chemotherapy efficacy in vitro

Biocompatible reduction-responsive micelles of disulfide-linked methoxyl poly(ethylene glycol) and poly(ε-benzyloxycarbonyl-L-lysine) block copolymers were developed for efficient intracellular drug delivery.

Graphical abstract: Biocompatible reduction-responsive polypeptide micelles as nanocarriers for enhanced chemotherapy efficacy in vitro
29 items

About this collection

This web collection features all the articles published in Journal of Materials Chemistry B in 2013 that were marked as HOT, as recommended by referees. Selections of these were posted weekly on the Journal of Materials Chemistry Blog. Congratulations to all the authors whose articles have been featured!

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