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Phototherapy as a promising cancer diagnostic and therapeutic strategy has aroused extensive attention. However, single‐wavelength near‐infrared (NIR) light–triggered combinational treatment of photothermal therapy (PTT) and photodynamic therapy (PDT) is still a great challenge. Herein, a multifunctional micelle activated by a single‐wavelength laser for simultaneous PTT and PDT as well as fluorescence...
Rapid prototyping of microfluidic devices has advanced greatly, along with the development of 3D printing and micromachining technologies. However, peripheral systems for microfluidics still rely on conventional equipment, such as bench‐top microscopy and syringe pumps, which limit system modification and further improvements. Herein, optofluidic modular blocks are presented as discrete elements to...
Nonuniform and highly localized Li dendrites are known to cause deleterious and, in many cases, catastrophic effects on the performance of rechargeable Li batteries. However, the mechanisms of cathode failures upon contact with Li metal are far from clear. In this study, using in situ transmission electron microscopy, the interaction of Li metal with well‐defined, epitaxial thin films of LiCoO2, the...
Coacervation of mussel adhesive proteins (MAPs) is proposed as a potential strategy that mussels may use during secretion due to their high concentration density, lack of dispersion into seawater, and low interfacial tension. Particularly, coacervations of interfacial MAPs, foot protein type‐3 fast variant (fp‐3F) and type‐5 (fp‐5), are important in the initial mussel adhesion process due to the relationship...
Hollow structured materials are widely applicable in various fields. Although many routes have been explored for getting such materials, a strategy mainly based on physical effect is still deficient. Herein, a “stresses induced orientation contraction” mechanism for preparation of hollow structures is reported. The composites constructed by zeolite imidazolate framework‐8 (ZIF8) cores and polymerized...
In article number 1803551, Zhiyang Li, Xuehao Wang, Yuanjin Zhao, and co‐workers present mussel‐inspired photonic crystal (PhC) barcodes with graphene oxide (GO) encapsulation for multiplex miRNA detection. The GO‐based hybridization chain reaction strategy realizes low abundance and high sensitivity miRNA quantification. At the same time, multiplex detection is achieved by employing different GO‐decorated...
In article number 1803411, Hoon Eui Jeong and co‐workers develop a high‐performance flexible electronic skin by incorporating a piezoresistive carbon nanotube composite into a hierarchical topography of micropillar–wrinkle hybrid architectures. The hybrid architectures‐based electronic skin exhibits versatile and superior sensing performance.
In article number 1802618, Joong‐jae Lee, Hak‐Sung Kim, and co‐workers develop an intracellular protein delivery system by sequence specific DNA‐protein interactions for targeted therapy. Engineered nucleoproteins are sequentially assembled onto the surface of gold nanoparticles. The resulting nucleoprotein nanoparticles exhibit highly programmable designability for functional protein loading, and...
In article number 1803108, Yingge Du and co‐workers directly visualize the interaction of Li dendrites with well‐defined epitaxial LiCoO2 thin films at the atomic scale using in situ transmission electron microscopy. Li atoms are shown to selectively attack the LiCoO2 crystal along the [001] direction, generating a large number of grain boundaries and anti‐phase boundaries that are rich in Li2O at...
In article number 1802769, Sungyoung Choi and co‐workers demonstrate how a whole microfluidic system can be easily assembled using optofluidic modular blocks, and the standardized, self‐interlocking structures of the blocks enable easy assembly and reconfiguration of the blocks in an intuitive manner, which is suitable as an open‐source principle for shareable microfluidics technology.
3D all‐solid‐state thin film batteries (TFBs) are proposed as an attractive power solution for microelectronics. However, the challenge in fabricating self‐supported 3D cathodes constrains the progress in developing 3D TFBs. In this work, 3D LiMn2O4 (LMO) nanowall arrays are directly deposited on conductive substrates by magnetron sputtering via controlling the thin film growth mode. 3D TFBs based...
Rechargeable lithium–sulfur batteries, which use sulfur as the cathode material, promise great potentials to be the next‐generation high‐energy system. However, higher‐order lithium polysulfides, Li2Sx (x = 4, 6, and 8), regardless of in charge or in discharge, always form first, dissolve subsequently in the electrolyte, and shuttle to the cathode and the anode, which is called “shuttle effect.” The...
Multiplexed microRNA (miRNA) quantification has a demonstrated value in clinical diagnosis. In this paper, novel mussel‐inspired photonic crystal (PhC) barcodes with graphene oxide (GO) encapsulation for multiplexed miRNA detection are presented. Using the excellent adhesion capability of polydopamine, the dispersed GO particles can be immobilized on the surfaces of the PhC barcodes to form an additional...
The targeting ability, drug‐loading capacity, and size of the drug nanocarriers are crucial for enhancing the therapeutic index for cancer therapy. Herein, the morphology and size‐controllable fabrication of supramolecular tumor‐targeting nanocarriers based on host–guest recognition between a novel pillar[5]arene‐based prodrug WP5‐DOX and a Arg‐Gly‐Asp (RGD)‐modified sulfonate guest RGD‐SG is reported...
Low‐dimensional nanomaterials are widely adopted as active sensing elements for electronic skins. When the nanomaterials are integrated with microscale architectures, the performance of the electronic skin is significantly altered. Here, it is shown that a high‐performance flexible and stretchable electronic skin can be produced by incorporating a piezoresistive carbon nanotube composite into a hierarchical...
In this work, a strain modulated highly transparent and flexible ZnO/Ag‐nanowires/polyethylene terephthalate optoelectronic device is developed. By utilizing the applied external strain‐induced piezophototronic effects of a ZnO thin film, a UV‐generated photocurrent is tuned in a wide range starting from 0.01 to 85.07 µA and it is presented in a comprehensive map. Particularly, the performance of...
Supercapacitors (SCs) have shown great potential for mobile energy storage technology owing to their long‐term durability, electrochemical stability, structural simplicity, as well as exceptional power density without much compromise in the energy density and cycle life parameters. As a result, stretchable SC devices have been incorporated in a variety of emerging electronics applications ranging...
This work reveals the intrinsic carrier transport behavior of 2D organolead halide perovskites based on phase‐pure homologous (n = 1, 2, and 3) Ruddelsden–Popper perovskite (RPP) (BA)2(MA)n−1PbnI3n+1 single crystals. The 2D perovskite field effect transistors with high‐quality exfoliated 2D perovskite bulk crystals are fabricated, and characteristic output and transfer curves are measured from individual...
Gold nanorods (AuNRs), with their unique physicochemical properties, are recognized as promising materials for biomedical applications. Chemical modification of their surfaces is attracting increasing attention with regard to cytotoxicity and cellular uptake. Herein, the toxicological effects of three types of polymer‐coated AuNRs, which are cetyltrimethylammonium bromide‐coated AuNRs, polystyrene...
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