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Stretchable organic transistors for skin‐like biomedical applications require low‐voltage operation to accommodate limited power supply and safe concerns. However, most of the currently reported stretchable organic transistors operate at relatively high voltages. Decreasing their operational voltage while keeping the high mobility still remains a key challenge. Here, the study presents a new dielectric...
Flexible hydroelectric generators (HEGs) are promising self‐powered devices that spontaneously derive electrical power from moisture. However, achieving the desired compatibility between a continuous operating voltage and superior current density remains a significant challenge. Herein, a textile‐based van der Waals heterostructure is rationally designed between conductive 1T phase tungsten disulfide@carbonized...
In the development of nanomaterial electrodes for improved electrocatalytic activity, much attention is paid to the compositions, lattice, and surface morphologies. In this study, a new concept to enhance electrocatalytic activity is proposed by reducing impedance inside nanomaterial electrodes. Gold nanodendrites (AuNDs) are grown along silver nanowires (AgNWs) on flexible polydimethylsiloxane (PDMS)...
Intervertebral disc degeneration (IVDD) is a significant contributor to low back pain, characterized by excessive reactive oxygen species generation and inflammation‐induced pyroptosis. Unfortunately, there are currently no specific molecules or materials available to effectively delay IVDD. This study develops a multifunctional full name of PG@Cu nanoparticle network (PG@Cu). A designed pentapeptide,...
Intervertebral Disc Degeneration
In article number 2308167, Pooyan Makvandi, Yunlong Zhou, Aimin Wu, and co‐workers prepared a multifunctional metal polyphenol nanoparticle that exhibited the ability to escape lysosomal capture and effectively targeted mitochondria to scavenge excess reactive oxygen species. The results of in vitro and in vivo experiments showed that the nanoparticles retarded disc...
Engineered collaborative size regulation and shape engineering of multi‐functional nanomaterials (NPs) offer extraordinary opportunities for improving the analysis performance. It is anticipated to address the difficulty in distinguishing color changes caused by subtle variations in target concentrations, thereby facilitating the highly sensitive analysis of lateral flow immunoassays (LFIAs). Herein,...
Neuromorphic Imaging Systems
In article number 2206181, Xiaoli Zhao, Qingxin Tang, and co‐workers present a multimodal‐synergistic‐modulation neuromorphic imaging systems based on ultraflexible synaptic transistors. The device is capable to simulate the spherical structure and the environmental adaptive behavior of the human eye. Based on the function that synaptic weight can be synergistically regulated...
Inspired by human eyes, the neuromorphic visual system employs a highly efficient imaging and recognition process, which offers tremendous advantages in image acquisition, data pre‐processing, and dynamic storage. However, it is still an enormous challenge to simultaneously simulate the structure, function, and environmental adaptive behavior of the human eye based on one device. Here, a multimodal‐synergistic‐modulation...
The past decades have witnessed the rational design of novel functional nanomaterials and the potential to revolutionize many applications. With the increasing focus on electronic biological processes, novel photovoltaic nanomaterials are highly expectable for empowering new therapeutic strategies such as establishing a link between endogenous electric field (EEF) and electrotherapy. Compared to traditional...
Self‐assembled cationic polymeric nanostructures have been receiving increasing attention for efficient antibacterial agents. In this work, a new type of antibacterial agents is developed by preparing pH‐dependent nanostructured assemblies from cationic copolypeptoid poly(N‐allylglycine)‐b‐poly(N‐octylglycine) (PNAG‐b‐PNOG) modified with cysteamine hydrochloride ((PNAG‐g‐NH2)‐b‐PNOG) driven by crystallization...
The highest theoretical capacity and lowest redox potential of lithium metal make lithium‐based batteries the “holy grail” of the next‐generation batteries. However, the uncontrollable dendrite growth and infinite volume change of lithium seriously hinder the real‐world implementation of lithium‐based batteries. Herein, a flexible MXene@iodine‐doped red phosphorus (MXene@RP) paper with iodine‐doped...
Stimulated surface‐enhanced Raman scattering (SERS) in combination with engineered nano‐tracer offers extraordinary potential in lateral flow immunoassays (LFIAs). Nonetheless, the investigation execution of SERS‐LFIA is often compromised by the intricacy and overlap of the Raman fingerprint spectrum as well as the affinity‐interference of nano‐tracer to antibody. To circumvent these critical issues,...
Synergistic therapy for malignant tumors has been developed in the past. However, several disadvantages that are associated with the applied inorganic nanoagents cannot be avoided, including intrinsic systemic toxicity, immunosuppression, and low therapeutic efficiency. Herein, a biocompatible, multifunctional, inorganic nanoagent that simultaneously integrates chemodynamic, starvation, and photothermal...
Drug Resistant Bacteria Treatment
In article number 2106936, Yuanhong Xu, Jing Sun, and co‐workers present how antimicrobial peptides mimetic copolypeptoids with optimized amphiphilic balance show excellent in vitro and in vivo antimicrobial property and high selectivity without inducing drug resistance. The polypeptoids also possess potent antibiofilm activity, inherently fast bactericidal property...
The preparation of a type of innovative cationic copolypeptoid antimicrobials containing various hydrophobic moieties that resemble both structure and membrane‐lytic antibacterial mechanism of natural antimicrobial peptides (AMPs) is reported. By finely tuning the hydrophilic/hydrophobic balance, the polypeptoids exhibit a wide spectrum of antibacterial activity against both Gram‐positive bacteria...
Recently, new carbonization strategies for synthesizing structure‐controlled and high‐performance carbon electrode materials have attracted great attentions in the field of energy storage and conversion. Here a competitive carbonization‐etching strategy to prepare nitrogen‐doped carbon polyhedron@carbon nanosheet (NCP@CNS) hybrids derived from zeolitic imidazolate framework‐8 is presented. Consecutive...
Single‐atom catalysts (SACs) with specific coordination environment are expected to be efficient electrocatalysts for oxygen reduction reaction (ORR). Herein, NiN4C10 coordination site is constructed through encapsulating Ni2+ into the cavity of ZIF‐8 as a self‐sacrificing precursor and anchoring it on 3D N‐doped carbon frameworks. The NiN4C10 catalyst shows excellent ORR activity and stability,...
Lightweight and mechanically strong protein fibers are promising for many technical applications. Despite the widespread investigation of biological fibers based on spider silk and silkworm proteins, it remains a challenge to develop low‐cost proteins and convenient spinning technology for the fabrication of robust biological fibers. Since there are plenty of widely available proteins in nature, it...
Transient memristors are prospective candidates for both secure memory systems and biointegrated electronics, which are capable to physically disappear at a programmed time with a triggered operation. However, the sneak current issue has been a considerable obstacle to achieve high‐density transient crossbar array of memristors. To solve this problem, it is necessary to develop a transient switch...
In article number 1800945, Xiaohua Ma, Yue Hao, and co‐workers achieve super‐large storage capacity of 107 Gb by integrating transient threshold switching devices with dissolvable memristors on flexible substrate. This transient system is designed to physically disappear when met with aqueous solutions or biofluids for a certain amount of time after completing the specific function, which possesses...
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