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Cytochrome C (Cytc) has received considerable attention due to its ability to induce tumor apoptosis and generate oxygen to improve photodynamic therapy (PDT) efficiency. However, the damage to normal tissues caused by nonspecific accumulation of Cytc limits its application. Herein, in order to reduce its toxicity to normal tissues while retaining its activity, a charge conversional biomimetic nanosystem...
Lanthanide‐doped upconversion nanoparticles (UCNPs) can convert two or more lower‐energy near‐infrared photons to a single photon with higher energy, which makes them particularly suitable for constructing nanoprobes with large imaging depth and minimal interference of autofluorescence and light scattering from biosamples. Furthermore, they feature excellent photostability, sharp and narrow emissions,...
Ever since the first report of UC‐FRET in 2005, which introduced upconversion (UC) fluorescence into biosensing, imaging and medical applications, it has been growing more and more quickly during the past 15 years. In article number 1905084, Zhihong Liu and co‐workers review the efforts to improve the signal contrast of UC probes and sensors, which have gone beyond the FRET principle.
Intracellular pH is closely related with many biological processes, including cellular proliferation, apoptosis, endocytic processes, signal transduction, and enzymatic activity. The use of fluorescent probes has become an essential method for intracellular pH detection, but existing fluorescent probes have substantial limitations, such as requiring tedious synthetic preparation, suffering from an...
Notorious lithium dendrite causes severe capacity fade and harsh safety issues of lithium metal batteries, which hinder the practical applications of lithium metal electrodes in higher energy rechargeable batteries. Here, a kind of 3D‐cross‐linked composite network is successfully employed as a flexible‐rigid coupling protective layer on a lithium metal electrode. During the plating/stripping process,...
Sodium ion battery is one of the promising rechargeable batteries due to the low‐cost and abundant sodium sources. In this work, a monolithic sodium ion battery based on a Na3V2(PO4)3 cathode, MoS2 layered anode, and polyether‐based polymer electrolyte is reported. In addition, a new kind of polysulfonamide‐supported poly(ethylene glycol) divinyl ether based polymer electrolyte is also demonstrated...
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