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Editor-in-Chief: José Oliveira; Deputy Editors: Yan Li, Guangchen Xu
Online ISSN: 1613-6829
Associated Title(s): Advanced Electronic Materials, Advanced Energy Materials, Advanced Engineering Materials, Advanced Functional Materials, Advanced Healthcare Materials, Advanced Materials, Advanced Materials Interfaces, Advanced Optical Materials, Advanced Science, Particle & Particle Systems Characterization
Materials Science Weekly Newsletter
Recently Published Articles
- Peptide-like Polymers Exerting Effective Glioma-Targeted siRNA Delivery and Release for Therapeutic Application
Sai An, Dongsheng He, Ernst Wagner and Chen Jiang
Article first published online: 28 JUL 2015 | DOI: 10.1002/smll.201501167
Peptide-like polymer/small interfering RNA (siRNA) complexes with disulfide bond crosslinking show a compact spherical appearance, a stable circulation in blood, and rapid siRNA release under high glutathione (GSH) concentration in glioma cells. For polyetherimide (PEI)/siRNA complexes, the compact spherical appearance is both stable in blood and glioma cells, which greatly decreases the release of siRNA for efficient therapeutic applications.
- You have full text access to this OnlineOpen articleConductive-AFM Patterning of Organic Semiconductors
Benjamin P. Brown, Loren Picco, Mervyn J. Miles and Charl F. J. Faul
Article first published online: 28 JUL 2015 | DOI: 10.1002/smll.201501779
Using a conductive atomic force microscope (c-AFM) redox-writing technique, it is shown that it is possible to locally, and reversibly, pattern conducting, and nonconducting features on the surface of a low molecular weight aniline-based organic (semi)-conductor thin film using a commercial c-AFM. It is shown that application of a voltage between the tip and sample causes localized redox reactions at the surface without damage.
- An Aqueous Single Reactor Arc Discharge Process for the Synthesis of Graphene Nanospheres
Sejung Kim, Youngjun Song, Tsukasa Takahashi, Taeseok Oh and Michael J. Heller
Article first published online: 28 JUL 2015 | DOI: 10.1002/smll.201501022
Using an aqueous single reactor arc discharge process with oil-in-water emulsions allows production of 2D multilayered graphenes (MLGs and 3D graphene-based crumpled/sphere-like particles with low levels of defects). The confinement forces to create 3D particles from 2D MLGs are estimated to be 2.5 μN for crumpled particles and 70 μN for spherical hollow particles.
- Surface Conductive Graphene-Wrapped Micromotors Exhibiting Enhanced Motion
Xing Ma, Jaideep Katuri, Yongfei Zeng, Yanli Zhao and Samuel Sanchez
Article first published online: 20 JUL 2015 | DOI: 10.1002/smll.201501223
Surface-conductive Janus spherical motors are fabricated by wrapping silica particles with reduced graphene oxide capped with a thin Pt layer. These motors exhibit a 100% enhanced velocity as compared to standard SiO2–Pt motors. Furthermore, the versatility of graphene may open up possibilities for a diverse range of applications from active drug delivery systems to water remediation.
- 2D MoS2 PDMS Nanocomposites for NO2 Separation
Kyle J. Berean, Jian Zhen Ou, Torben Daeneke, Benjamin J. Carey, Emily P. Nguyen, Yichao Wang, Salvy P. Russo, Richard B. Kaner and Kourosh Kalantar-zadeh
Article first published online: 20 JUL 2015 | DOI: 10.1002/smll.201501129
At a relatively low loading concentration (≈0.02 wt%) of 2D MoS2flakes in PDMS, the composite membrane is able to almost completely block the permeation of NO2 gas molecules at ppm levels. This major reduction is ascribed to the strong physisorption of NO2 gas molecules onto the 2D MoS2 flake basal planes.