Abstract Ultraviolet (UV) photodetection is widely used in different fields, among which the with low detection limit has attracted strong interest due to broad applications various fields including military security, medical diagnosis, and chemical analysis. Recently, two‐dimensional (2D) hybrid perovskites are promising candidates for UV owing their superior semiconducting properties solution accessibility. Here, successfully realized by using high‐quality 2D perovskite single crystals,...

Proanthocyanidins, natural polyphenolic compounds abundantly present in plants, exhibit diverse bioactivities, including antioxidative, anti-inflammatory, and antibacterial effects. These bioactivities are intricately linked to the degree of polymerization these compounds. Through a comprehensive analysis recent domestic international research, this article synthesizes latest advancements extraction process, degradation methods, as well biological activities underlying mechanisms...

Weak shortwave light photodetection with a low detection limit was achieved via centimeter-size single crystals of 2D perovskite (PA) 2 PbBr 4 . Under an extremely illumination 20 nW cm −2 , the detector still exhibits remarkable photoresponse.

Chiral metal halide perovskites (CMHPs) have recently shown great potential for direct circularly polarized light (CPL) detection. However, owing to the limited cutoff wavelength edge of these CMHPs, most detectors presented thus far are characterized only in ultraviolet and visible range; CMHPs that target at near-infrared (NIR) region still greatly desired. Here, we design a novel CMHP heterostructure, synthesized via solution-processed epitaxial growth crystalline 3D MAPbI3 on 2D chiral...

Well-established knowledge about inversion-symmetric Bi2TexSe3–x topological insulators characterizes the promising new-generation quantum device. Noticeably, inversion asymmetric phase containing different surface electronic structures may create an extra phenomenon pointing to a new device paradigm. Herein, Janus Bi2TeSe2 single-crystal nanosheets with unconventional stacking sequence of Se–Bi–Se–Bi–Te are realized via chemical vapor deposition growth, which is clarified by atomically...

We report the self-assembly of 2D double perovskite (BLA)2 CsAgBiBr7 (BLA=benzylammonium) on 3D Cs2 AgBiBr6 crystals, providing first demonstration polarization-sensitive photodetection using lead-free heterocrystals (HCs). The /Cs2 HC successfully combines anisotropy perovskites with well-defined interface provided by heterogeneous integration. Driven built-in electric field in junction, photodetectors HCs exhibit unique polarization dependence zero-bias photocurrent a large ratio up to 9,...

Abstract Organic–inorganic hybrid MAPbCl 3 perovskite (MA + = CH NH ) in UV photodetection is drawing interest due to its superior semiconductor properties and UV‐matchable optical bandgap. However, ‐based photodetector targeting high‐performance polarized light detection has remained unexplored the isotropic structure of . The photovoltaic effect heterojunction, which shows an angle dependence on polarization, provides opportunities break restriction intrinsic for realizing...

Abstract Chiral perovskites have been demonstrated as promising candidates for direct circularly polarized light (CPL) detection due to their intrinsic chirality and excellent charge transport ability. However, chiral perovskite‐based CPL detectors with both high distinguishability of left‐ right‐handed optical signals low limit remain unexplored. Here, a heterostructure, (R‐MPA) 2 MAPb I 7 /Si (MPA = methylphenethylamine, MA methylammonium) is constructed, achieve high‐sensitive low‐limit...

By utilizing the polar symmetry induced by directional built-in electric field at MAPbI 3 SC/Si heterostructure interface, large polarization ratios of 3.3 785 nm and 2.8 940 are achieved under self-driven mode.

The purpose of this study was to investigate the antioxidant activity Armillaria gallica polysaccharides. It explored whether polysaccharides (AgP) could prevent HepG 2 cells from H O -induced oxidative damage. results demonstrated that were significantly protected by AgP, and efficiently suppressed production reactive oxygen species (ROS) in cells. Additionally, AgP decreased abnormal leakage alanine aminotransferase (ALT) lactate dehydrogenase (LDH) caused , protecting cell membrane...

Centimeter-sized high-quality single crystals made into photodetectors exhibited considerable anisotropic properties and sensitive photodetection capabilities under ultraviolet illumination.

This research investigated the effects of eleutheroside E (EE) on 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced Parkinson’s disease cell model and its mechanism. Methods: To create a disease, MPTP (2500 μmol/L) was administered to rat adrenal pheochromocytoma cells (PC-12) produce an group. Selegiline (50 had been positive group beforehand. The divided into low-, medium-, high-concentration groups, in which were pretreated with at concentrations 100 μmol/L, 300 500 μmol/L....

Abstract BiSCl, which shares the anisotropic chain‐like lattice configuration with Bi V X VI Y VII (XS, Se; YCl, Br, I) family displays high photoelectric conversion efficiency in UV–vis wavelength region. The current difficulty 2D growth restricts investigation of device performance and further integration. Herein, an epitaxial strategy for BiSCl is proposed based on principle sharing a chloridion layer at BiSCl/BiOCl interface. interfacial atomic arrangement carefully revealed using...

Proanthocyanidins (PCs) extracted from ume have many well-known functional properties. The aim of this study was to explore a novel natural food preservative using plum pulp proanthocyanidins (UPPP). crude product PCs obtained by ethanol as extraction solvent and ultrasonic-assisted extraction, then the pure UPPP purification with AB-8 resin. bacteriostatic ability freshness preservation effect on blueberry were analyzed. results showed that had high inhibitory Staphylococcus aureus (MIC...

Ultrasonic-microwave synergistic method was used to extract the total flavonoids from Microcos Paniculata L . To optimize extraction process, we have conducted single-factor experiments on yield provide a basis for analysis. After results were evaluated, carried out response surface test antioxidant properties of in The evaluation capacity done four dimensions. According experiments, optimal parameters included: 40 mesh particle size, 20:1 liquid/feed ratio (mL/g), 250 W ultrasonic power,...

Abstract We report the self‐assembly of 2D double perovskite (BLA) 2 CsAgBiBr 7 (BLA=benzylammonium) on 3D Cs AgBiBr 6 crystals, providing first demonstration polarization‐sensitive photodetection using lead‐free heterocrystals (HCs). The /Cs HC successfully combines anisotropy perovskites with well‐defined interface provided by heterogeneous integration. Driven built‐in electric field in junction, photodetectors HCs exhibit unique polarization dependence zero‐bias photocurrent a large ratio...