JOURNAL OF ELECTRONIC MATERIALS
·
2024
·Vol. 53
·期 7
·3450-3459
·
IF 2.2
Yuan Jundong,Ren Gaoya,Yang Yefeng,Shen Shenghui,Yao Zhujun
Poly(ethylene glycol) diacrylate (PEGDA)-based gel polymer electrolytes (GPEs) offer several advantages for high-voltage lithium metal batteries (LMBs). However, the limited Li + transport capability hinders the wide application of PEGDA. A cross-linked GPE consisting of PEGDA and acrylonitrile (AN) (designated as PA11 electrolyte) is synthesized through molecular design to investigate the impact of AN incorporation on the PEGDA-based GPE. AN exhibits good compatibility with PEGDA, and the resulting cross-linked copolymer effectively reduces the crystallinity of GPE, thereby enhancing its Li + transport capability. At 25°C, the PA11 electrolyte exhibits high ionic conductivity (2.04 × 10 −4 S cm −1 ), broad electrochemical window (− 0.5 V to 5.32 V versus Li + /Li), and good stability towards lithium metal showing stable deposition and stripping of lithium for 1000 h. Additionally, LFP||Li cells assembled with designed PA11 electrolyte demonstrate discharge capacities of 150.4 mA h g −1 at 0.05 C and 122.9 mA h g −1 at 0.5 C. Moreover, the PA11 electrolyte can be applied in LMFP-based high-voltage LMBs with a capacity retention ratio of 84.9% after 20 cycles. Graphical Abstract
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PLANT FOODS FOR HUMAN NUTRITION
·
2011
·Vol. 66
·期 2
·169-174
·
IF 2.463
Chen Yulong,Jiang Yueming,Shi John,Xu Xinlan,Yang Shaoyu,Duan Jun
The contents of starch and catechins in the fresh leaf of ‘Huang Zhi Xiang’ Oolong tea trees girdled at the bottom, middle (on the big branches) and top (on the small branches) were determined. The study demonstrated that the starch contents from girdled trees were significantly higher ( p < 0.05) than that from non-girdled ones. Furthermore, the contents of (−)−epicatechin (EC), (−)−epigallocatechin (EGC), total catechins (TC) and simple catechins (SC) from girdled trees were significantly higher ( p < 0.05) than those from non-girdled ones. Especially, the contents of (−)−epigallocatechin gallate (EGCG), (−)−epicatechin gallate (ECG) and catechin gallate (CG) from girdled at the middle were also significantly higher ( p < 0.05) than those from the non-girdled. The starch contents were negatively correlated with the contents of (−)−gallocatechin (GC), EC, SC, TC and EGC, while positively correlated with the contents of EGCG and CG in fresh shoots.
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JOURNAL OF NANOBIOTECHNOLOGY
·
2024
·Vol. 22
·期 1
·1-13
·
IF 10.6
Zhang Lifeng,Luo Shihua,Li Wenbin,Su Wanting,Chen Siting,Liu Chunchen,Pan Weilun,Situ Bo,Zheng Lei,Li Ling,Yan Xiaohui,Zhang Ye
Rapid and sensitive nucleic acid detection is vital in disease diagnosis and therapeutic assessment. Herein, we propose a co-freezing localized CRISPR-Cas12a (CL-Cas12a) strategy for sensitive nucleic acid detection. The CL-Cas12a was obtained through a 15-minute co-freezing process, allowing the Cas12a/crRNA complex and hairpin reporter confined on the AuNPs surface with high load efficiency, for rapid sensing of nucleic acid with superior performance to other localized Cas12a strategies. This CL-Cas12a based platform could quantitatively detect targets down to 98 aM in 30 min with excellent specificity. Furthermore, the CL-Cas12a successful applied to detect human papillomavirus infection and human lung cancer-associated single-nucleotide mutations. We also achieved powerful signal amplification for imaging Survivin mRNA in living cells. These findings highlight the potential of CL-Cas12a as an effective tool for nucleic acid diagnostics and disease monitoring.Graphical abstract
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Drug Delivery and Translational Research
·
2024
·
IF 5.7
Li Yang,Yu Qin,Lu Yi,Ma Yanyun,Qi Jianping,Chen Zhongjian,Zhu Quangang,Wu Wei
Psoriasis is a prevalent chronic disease affecting 2–3% of the global population. Cyclosporine A (CyA) has been widely used with great promise in the treatment of moderate to severe psoriasis despite various side effects associated with its systemic administration. Topical administration of CyA circumvents systemic side effects; however, the poor water solubility and large molecular weight of CyA pose challenges for dermal delivery. In this study, choline-based ionic liquids (ILs) were used to enhance the dermal delivery of CyA for the potential treatment of psoriasis. All four ILs tested significantly improved the solubility of CyA, which was greater than that of the control group with dimethyl sulfoxide (DMSO) as a solubilizer (20%, w/w). The saturated solubility of CyA in two of the ILs, choline geranate ([Ch][Ge]) and choline ricinoleate ([Ch][Ra]), reached more than 90 mg/mL, and the solubilization capability of the ILs except [Ch][Ci] was resistant to water dilution. The negligible change in CyA content determined by high-performance liquid chromatography and the secondary structure detected by circular dichroism spectroscopy confirmed the stability of CyA in the ILs. At 4 h in the in vitro penetration test, the amount of CyA retained in the skin in the IL groups was slightly greater than that in the control group (20% DMSO). The water content of the ILs significantly affected their penetration ability. When the water content increased from 10 to 70%, the dermal delivery of CyA first increased, peaked at a water content of 30%, and then decreased. The dermal delivery ability of [Ch][Ge] and [Ch][Ra] with a water content of 70% was still comparable to that of 20% DMSO. Moreover, CyA-loaded ILs (0.5%, w/w) significantly relieved the symptoms of psoriasis in an imiquimod (IMQ)-induced mouse model, and the levels of inflammatory factors, including tumor necrosis factor α, interleukin 22 and interleukin 17, in the affected area were reduced by 71.7%, 75.6%, and 89.3%, respectively. The IL tested, choline sorbate ([Ch][So]), showed low cytotoxicity to human immortalized epidermal cells (HaCaT). After 7 days of consecutive application, [Ch][So] did not cause significant irritation. In conclusion, ILs demonstrate promising potential for the dermal delivery of CyA for the treatment of psoriasis. Graphical Abstract
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Nature Communications
·
2025
·Vol. 16
·期 1
·1-13
·
IF 15.7
Zheng Jiapeng,Fu Yuang,Wang Jing,Zhang Wei,Lu Xinhui,Lin Hai-Qing,Shao Lei,Wang Jianfang
Organic light-emitting diodes (OLEDs) supporting the direct emission of circularly polarized (CP) light are essential for numerous technologies. The realization of CP-OLEDs with large dissymmetry ( g EL ) factors and high external quantum efficiencies (EQEs) has been accepted as a considerable challenge. Here we demonstrate the realization of efficient CP-OLEDs based on the assembly of chiral plasmonic nanoparticles (NPs) and supramolecular aggregates. The chiral plasmonic NPs serve as the chiral scaffold and chiral optical nanoantenna to modulate the circularly polarized absorption and emission of the supramolecular chromophores. We employ different chiral plasmonic NPs to construct various CP-OLEDs with the emission dominated by chiral excitons or chiral plasmons. The CP-OLED showing a high EQE of 2.5% and a large g EL factor of 0.31 is achieved, as a result of multiscale chirality transfer, plasmonic enhancement, and the suppression of the overshoot effect. The proposed schemes are compatible with the current manufacturing technology of OLEDs. This work demonstrates that chiral plasmonic NPs can be promising candidates in chiral photoelectric devices.
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Nature Communications
·
2025
·Vol. 16
·期 1
·1-10
·
IF 15.7
Ji Ming-Jun,Zhao Wen-Long,Li Meng,Chen Chuan-Feng
Circularly polarized luminescence (CPL) in solution offers several advantages. However, it remains challenging for organic molecules to achieve circularly polarized luminescence with high dissymmetry factor ( g lum ) in solution. Herein, a general strategy is developed by placing chiral nematic liquid crystals (N*-LCs) behind the solution of achiral organic molecules. The selective reflection-transmission mechanism of solution-N*-LC composite system enables the generation of full-color and white circularly polarized light with | g lum | even reaching 2.0. This strategy demonstrates versatility, being applicable to both aqueous and organic solutions, and effectively achieving the circularly polarized luminescence of multiple molecules with high g lum values. Additionally, CPL switching and logic gate applications are successfully realized by leveraging the selective reflection-transmission mechanism of N*-LCs and the reversible acid-base responsiveness of the solution systems. This work provides a general and robust strategy for achiral organic molecules to achieve circularly polarized luminescence with high | g lum | values in solutions.
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Frontiers of Optoelectronics
·
2024
·Vol. 17
·期 1
·1-7
·
IF 4.1
Li Zha,Li Wancai,Li Dehui,Tang Wei,Liang Huageng,Song Huaibing,Chen Chao,Gao Liang,Tang Jiang
Chiral inorganic semiconductors with high dissymmetric factor are highly desirable, but it is generally difficult to induce chiral structure in inorganic semiconductors because of their structure rigidity and symmetry. In this study, we introduced chiral ZnO film as hard template to transfer chirality to CsPbBr 3 film and PbS quantum dots (QDs) for circularly polarized light (CPL) emission and detection, respectively. The prepared CsPbBr 3 /ZnO thin film exhibited CPL emission at 520 nm and the PbS QDs/ZnO film realized CPL detection at 780 nm, featuring high dissymmetric factor up to around 0.4. The electron transition based mechanism is responsible for chirality transfer. Graphical Abstract
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CELLULOSE
·
2024
·
IF 4.9
Guo Yunfeng,Gong Weihua,Zhao Linlin,Yang Yanxiao,Zhou Xiaoqian,Xiao Zefang,Xie Yanjun,Wang Yonggui
In the context of sustainable development, the escalating need for hazardous wastewater treatment underscores the importance of developing innovative cellulose adsorbents for pollutant removal and separation. This study introduces a novel aerogel composed of a vinyl-functional covalent organic framework (COFs) and cellulose nanofibrils synthesized via in situ growth of COFs on aminated cellulose nanofibers (ACNFs). The aerogel’s surface is enriched with active functional groups (hydroxyl, amino, aldehyde, benzene, etc.), enabling diverse physical and chemical interactions with pollutants. Furthermore, a simple post-modification strategy involving thiol-ene click reactions was employed to modify the surface vinyl groups, resulting in two new aerogels (ACNF/COF-COOH and ACNF/COF-SH) to enhance interactions with different aqueous pollutants, specifically by targeting the removal of cationic dyes such as methylene blue (MB) and heavy metals. ACNF/COF-COOH aerogel exhibited a maximum adsorption capacity of 563.0 mg/g for MB, while ACNF/COF-SH aerogel demonstrated high selectivity for heavy metal ion removal, with a mercury ion (Hg 2+ ) distribution coefficient (K d ) of 22,782.0 mL/g. This novel cellulose-based aerogel offers significant potential for removing pollutants from water bodies.
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Nature Chemistry
·
2025
·
IF 20.2
Wen Ping,Huang Hanwei,Zhang Ruizhe,Zheng Hanqi,Liang Tingxizi,Zhuang Chuyue,Wu Qing,Wang Junxia,Liu Feng,Zhang Ke,Wu Wei,He Kaixin,Liu Funan,Li Hongjun,Gu Zhen
Vesicles play critical roles in cellular materials storage and signal transportation, even in the formation of organelles and cells. Natural vesicles are composed of a lipid layer that forms a membrane for the enclosure of substances inside. Here we report a coacervate vesicle formed by the liquid–liquid phase separation of cholesterol-modified DNA and histones. Unlike a phospholipid-based membrane-bounded vesicle, a coacervate vesicle lacks a membrane structure on the surface and is organized with a high-density liquid layer and a water-filled cavity. Through a straightforward coacervation process, we demonstrate that various biological agents, including virus particles, mRNA, cytokines and peptides, can be innocuously and directly enriched in the liquid phase. In contrast to the droplet-like coacervates that are prone to aggregation challenges, coacervate vesicles display superior kinetic stability, positioning them as a versatile delivery vehicle for biopharmaceuticals. We validate that incorporating oncolytic viruses into these coacervate vesicles endows them with potent oncolytic efficacy and elicits robust anti-tumour immune responses in mouse models.
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Journal of Analysis and Testing
·
2025
·
IF 7
Gong Lindan,Wang Hengyuan,Zhang Lin,Li Junqing,Zhang Hongju,Sun Yan,Fan Lu-an
In this study, a fluorenyl pyridine-based (FPD) conjugated polymer was synthesized and used as a fluorescent probe to efficiently and rapidly detect nitenpyram (NIT). NIT can quench the fluorescence of FPD, and the quenching efficiency can reach up to 82.75%. The linear ranges of NIT detection in ethanol–phosphate buffered saline and ethanol were 0–64 μM and 0–45 μM, respectively, and the detection limit was as low as 0.62 μM. FPD has good selective recognition and anti-interference abilities for NIT. Combined with a study on the fluorescence spectral anisotropy of FPD and NIT, the mechanism of the reaction between FPD and NIT was explored. It was concluded that FPD and NIT quenched their fluorescence under the combined action of π–π stacking and hydrogen bonding. Finally, NIT was recovered in organic cabbage, and the recovery rates were between 91.60% and 110.21%. The relative standard deviation was within 3.84%, indicating that FPD had high accuracy and good repeatability for the quantitative detection of NIT, further proving the feasibility of the fluorescence sensing method in practical applications.
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WATER AIR AND SOIL POLLUTION
·
2024
·Vol. 235
·期 6
·1-20
·
IF 3.8
Akbari Mohammad Zahir,Xu Yifeng,Liang Chuanzhou,Lu Zhikun,Shen Siyuan,Peng Lai
This study aimed to accelerate photocatalytic treatment of sulfamethoxazole (SMX) and cefixime (CFM) and alleviate the toxicity of photocatalysis effluents to improve further biodegradability. An efficient and fast reactive photocatalyst (Fe 2 O 3 /ZnO@VC) was synthesized, characterized and applied for photocatalytic removal of the targeted compounds. Results further confirmed the complete removal of SMX (1 mgL -1 ) within 30-min photocatalytic treatment. Acidic condition favored SMX removal due to the formation of negative ions, which were attracted by the surface of the catalyst comprising positive charge in pH values below the point of zero charge. The ideal degradation environment for CFM (1 mgL -1 ) was at neutral pH, and 97.2±0.1% of CFM was degraded over 60-min. A quenching test revealed that superoxide radial ( • O 2 − ) and e − played a major role in the photocatalytic degradation of SMX, while hydroxyl radical ( • OH) showed an identical effect during photocatalytic treatment of CFM. The degradation efficiency of SMX was marginally reduced in synthetic wastewater (SWW) and CFM in tap water (TW) due to the quenching effects of phosphates and carbonates anions in SWW and chloride ions in TW, respectively. As a result of the excellent mineralization properties of the photocatalyst, the photocatalysis effluents were highly detoxified, reaching 93.5±11.8% and 87.0±5.1% for SMX and CFM, respectively. Graphical Abstract
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JOURNAL OF MATERIALS SCIENCE
·
2025
·Vol. 60
·期 8
·3880-3889
·
IF 3.9
Wang Haiping,An Xianhui,Qian Xueren
Fluorescent anti-counterfeiting paper was a very important kind of special paper, which played an important role in people’s life, such as paper money. In this work, fluorescent anti-counterfeiting paper was prepared by using lead-metal–organic framework (Pb-BTC) that was in situ formed on the surface of pulp fibers (PFs) with lead ions and pyromellitic acid (H 4 BTC), which served as template to in situ anchoring of CH 3 NH 3 PbBr 3 (MAPbBr 3 ) to achieve the controllable synthesis of MAPbBr 3 and reduce aggregate fluorescence quenching. The CH 3 NH 3 Br (MABr) as the anti-counterfeiting ink was applied on Pb-BTC@PFs to achieve security writing. MAPbBr 3 forming writing was invisible under sunlight but displayed green fluorescence under 365 nm ultraviolet lamp excitation. The writing with green fluorescence could be extinguished by water and reconstructed by forming new MAPbBr 3 . The Pb-BTC@PFs was as the precursor to product fluorescent anti-counterfeiting paper (MAPbBr 3 @Pb-BTC@PFs) reacted with MABr in ethanol solution, so that the green fluorescence of it was opened under 365 nm ultraviolet lamp. When it was exposed to polar solution, MAPbBr 3 structure collapsed. Since Pb-BTC was stably in paper and was not easy to lose in polar solution, it could be reused several times on the premise that the paper structure was not damaged, which demonstrated an advantage over using perovskite alone in paper. Consequently, the current study not only provided a new idea for controllable anchoring perovskite on support materials, but also offered a new method for producing fluorescent anti-counterfeiting paper.
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