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Gold is not only a precious resource for many industries but also a global contaminant as a result of the discharge of gold‐containing waste. Designing appropriate materials for the detection and extraction of gold is of great significance for the economy and environment. However, most reports only focus on sensing or adsorption for gold because of the difficulty of combining two functions in a single...
Solid Immersion Lens
In article number 2207596, Zushun Xu, Jing Zeng, Wen Fan, and co‐workers report a TiO2 nanoparticle‐assembled solid immersion lens (SIL) with excellent transparency, high refractive index and easy‐to‐handle size. This TiO2 SIL can provide a fast, wide‐field, real‐time, non‐destructive and low‐cost solution for improving the quality of optical microscopic observation of various...
Super‐resolution optical imaging techniques can break the optical diffraction limit, thus providing unique opportunities to visualize the microscopic world at the nanoscale. Although near‐field optical microscopy techniques have been proven to achieve significantly improved imaging resolution, most near‐field approaches still suffer from a narrow field of view (FOV) or difficulty in obtaining wide‐field...
Flexible aqueous zinc batteries are promising candidates as safe power sources for fast‐growing portable and wearable electronics. However, the low working voltage, poor rate capability, and cycling stability have greatly restricted their development and applications. Here, a new family of flexible bimetallic phosphide/carbon nanotube hybrid fiber electrodes with unique macroscopic microcrack structure...
Flexible Aqueous Zinc Batteries
In article number 2206338, Yang Zhao and co‐workers report a high‐performance flexible aqueous zinc battery based on hybrid fiber electrode with hierarchical microcrack structure. The unique structure can not only facilitate the penetration of electrolyte for fast charge transfer, but also relieve the stress concentrations under deformations. The fabricated flexible...
During the past few decades, bio‐inspired nanochannels have been well developed and applied in biosensing, energy transfer, separation, and so on. Here, inspired by the synergistic effect of biological nanopores, biomimetic solid‐state nanochannels with hydrophilic DNA probes at the inner wall (DNA@IWHydrophilic) and hydrophobic coating at the outer surface (None@OSHydrophobic) are designed. To demonstrate...
The diversity by nano/microstructural material or device constructing can provide the exciting opportunity for sensitivity and selectivity to achieve facile and efficient multianalyte recognition for clinical diagnosis, environment monitoring, etc., in complex system analysis. Colloidal poly(styrene–methyl methacrylate–acrylic acid) (poly(St–MMA–AA)) nanoparticle‐assembled photonic crystals (PCs)...
Silk fibroin (SF) offers great opportunities in manufacturing biocompatible/partially biodegradable devices with environmental benignity and biomedical applications. To obtain active SF devices of next generation, this work is to demonstrate a new functionalization strategy of the mesoscopic functionalization for soft materials. Unlike the atomic functionalization of solid materials, the meso‐functionalization...
In article number 1603830, by Sijin Liu and co‐workers, the exposure of multi‐wall carbon nanotubes (MWCNTs) alters hepatic hepcidin‐mediated systemic iron homeostasis through pro‐inflammatory responses in mice, leading to limited iron availability for red blood cell formation, and eventually the development of anemia of inflammation. This study opens a new path to understanding the biological impacts...
Although numerous toxicological studies have been performed on carbon nanotubes (CNTs), a few studies have investigated their secondary and indirect effects beyond the primary target tissues/organs. Here, a cascade of events are investigated: the initiating event and the subsequent key events necessary for the development of phenotypes, namely CNT‐induced pro‐inflammatory effects on iron homeostasis...
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