Themed collection 2013 Journal of Materials Chemistry B Hot Papers
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
Synthesis, stability, cellular uptake, and blood circulation time of carboxymethyl-inulin coated magnetic nanoparticles
Carboxymethyl-inulin is reported as a potential biocompatible nanoparticle coating.
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.
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.
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.
Molecular interactions in coupled PMMA–bioglass hybrid networks
The simplified schematic structure of the organic–inorganic hybrid and the 2D NMR spectra.
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.
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.
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.
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.
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.
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.
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.
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!