Showing papers in "Nano Today in 2012"

TL;DR: In this article, the authors outline three fundamental materials challenges associated with large volume change, and then show how nanostructured materials design can successfully address these challenges, which can also be extended to other battery materials that undergo large volume changes.

TL;DR: The importance of investigating micelle systems in physiologically relevant media to improve therapeutic efficacy and reduce systemic toxicity in clinical applications is emphasized.

TL;DR: This review highlights recent developments in functional biodegradable micelles for safe and efficient cancer chemotherapy.

TL;DR: In this paper, a review article provides an overview of recent developments in synthesis and properties of bimetallic nanomaterials, including crown-jewel structure, hollow structure, heterostructure, core-shell structure, alloyed structure and porous structure.

TL;DR: In this paper, the up-converting nanoparticles (UCNPs) are proposed as a promising and advantageous alternative to conventional fluorescent labels used in many bio-medical applications.

TL;DR: The journey begins with the injection of the drug carrier into the bloodstream and continues through stages of circulation, extravasation, accumulation, distribution, endocytosis, endosomal escape, intracellular localization and-finally-action.

TL;DR: This review highlights recent advances in the development of synthetic membrane-active macromolecules with focus on peptides and polymers that adopt well-defined nanostructures or conformations, e.g. secondary helical structures, self-assembled nanoparticles, and hyperbranched structures.

TL;DR: In this article, the synthesis of a wide variety of branched nanostructures is summarized, and the latest results on the energy applications of 3D nanowires in photovoltaics, photocatalysis, photoelectrochemical water splitting, supercapacitors and Li ion batteries are highlighted.

TL;DR: The use of nanocarriers to deliver siRNA, prevents both renal clearance and RNase degradation by protecting siRNA chains, increasing their half life in blood.

TL;DR: In this paper, the authors highlight the challenges and opportunities associated with GO's thermal instability such as the potential fire risk during large scale production and methods of mitigation, energy efficient way to reduce GO, photothermal patterning and sintering of graphene/polymer composites, and new syntheses using GO as an in situ power source.

TL;DR: Two types of non-fouling polymers are compared for their use in creating stealth nanoparticles (NPs) for drug delivery and protein protection, with amphiphilic PEG having negative effects on proteins and NPs due to its hydrophobic nature, which can be overcome by super-hydrophilic PCB.

TL;DR: In this paper, a review of mesoporous TiO2 materials is presented, which summarizes the synthesis pathways, morphology, doping, as well as crystallization of the meso-TiO2 in synthesis section and introduces the applications in photocatalysis, solar cells, lithium ion batteries, sensors and catalyst supports.

TL;DR: In this paper, the most recent progress of both synthesis and applications of noble metal nanocrystals with high-energy facets is summarized, with an emphasis on surface-enhanced properties and applications.

TL;DR: Self-assembly of noble metal nanocrystals has become one of the hottest fields in nanoscience due to their unique/strong interactions with extra electromagnetic field, which are known as localized surface plasmon resonance as discussed by the authors.

TL;DR: It is proved that each arm of the four helices in the X-motif can harbor one siRNA, ribozyme, or aptamer without affecting the folding of the central pRNA-X core, and each daughter RNA molecule within the nanoparticle folds into their respective authentic structures and retains their biological and structural function independently.

TL;DR: In this article, a substantial amount of work have been carried out with impregnation of CNTs (simply as one of the reinforcements for incorporation of better properties like antibiofouling and/or better strength, etc.) in polymer host matrix.

TL;DR: This synthesis of multiplexing capable and biocompatible SERS nanotags using highly sensitive novel NIR Raman reporters with excellent SERS signal stability and in vivo kinetic study revealed their excellent sensitivity, stability and tumor specificity.

TL;DR: The most recent efforts undertaken in order to combine at least two of these properties in a hybrid system are summarized.

TL;DR: In this paper, anisotropic spatially heterogeneous three dimensional (3D) current collectors were introduced to prevent lithium deposition on the insulating electrolyte-facing surface and accommodate lithium deposition inside the spacious voids.

TL;DR: In this paper, the authors used graphite flakes as additives and developed a method to prepare stable graphite suspensions with large thermal conductivity enhancement in water and oil, and observed thermal percolation phenomenon and explained the phenomenon based on combined optical and AC impedance spectroscopy studies.

TL;DR: In this paper, a review of different materials assembly techniques which result in layered composite reminiscent of many biomaterials with the focus on layer-by-layer (LBL) assembly, vacuum-assisted flocculation (VAF), and others is presented.

TL;DR: In this article, a review of computational methods that have been applied extensively in the area of graphene and graphene-based composites are introduced, covering from Quantum Chemistry approach, Molecular Dynamics method to Monte Carlo simulation technique.

TL;DR: Mechanistic investigations using isotope labeling provide insight on the reactants interaction with the nanoparticles surface and pinpoint the occurrence of C H bond cleavage in terminal alkynes during the reaction.

TL;DR: A new approach wherein a laser can be used to tag tumor tissue and enhance the delivery of targeted polymer therapeutics and enhances site specific delivery is shown.

TL;DR: It is shown that there is a true “nano effect” (a kinetic acceleration due to the size of the nanoparticle) for this reaction at silver nanoparticles, but not at gold nanoparticles.

TL;DR: In this article, the authors present some recent progress in how to implant the nanomaterials and nanostructures such as nanoparticles, nanowires, nanotubes and chiral nanostructure on the surface of certain supports and their potential application opportunities.

TL;DR: A set of recently developed benchtop techniques are described that provide a straightforward way to generate libraries of fibrous surfaces with a wide range of finely tuned, nearly arbitrary geometric, mechanical, material, and surface characteristics starting from a single master array.

TL;DR: The magnetic nanoparticles for adsorption and subsequent magnetic removal of hazardous substances from water, as published in Science in 2006, bears enormous potential for water purification for which there is a growing need all over the world as mentioned in this paper.

TL;DR: In this paper, the authors provide a review of some major attempts and progresses recently made for enhancing the ordering, positioning and uniformity for QD arrays, with an emphasis on the problems which has been well addressed to reach the current state of the arts.

TL;DR: In this article, highly optically active supercrystals of anisotropic nanorods exploiting the electric field concentration and the nanoantenna effects are used for real-time sensing of prions in real blood.