Chinese Chemical Letters最新文献_第2页

Smart antifouling coating integrating zwitterionic hydrogel with pH-responsive microcapsules for anti-crystal biofilm of orthodontic appliances 结合两性离子水凝胶和ph响应微胶囊的正畸矫治器防晶生物膜智能防污涂层

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2025-07-30 DOI: 10.1016/j.cclet.2025.111647

Sirui Chen , Ran Zhao , Li Dong , Qilin Liu , Wei Chen , Danna Liu , Maosheng Ye , Yingbo Li , Qiong Nie , Jingxin Meng , Shutao Wang

{"title":"Smart antifouling coating integrating zwitterionic hydrogel with pH-responsive microcapsules for anti-crystal biofilm of orthodontic appliances","authors":"Sirui Chen , Ran Zhao , Li Dong , Qilin Liu , Wei Chen , Danna Liu , Maosheng Ye , Yingbo Li , Qiong Nie , Jingxin Meng , Shutao Wang","doi":"10.1016/j.cclet.2025.111647","DOIUrl":"10.1016/j.cclet.2025.111647","url":null,"abstract":"<div><div>Orthodontic appliances are essential for dentofacial deformity corrections. However, orthodontic appliances inadvertently increase the risk of bacterial colonization and dental calculus formation, which may lead to dental caries and gingivitis. Herein, this study developed a pH-responsive antifouling coating by integrating a zwitterionic hydrogel (ZH) with pH-responsive microcapsules (PRMs) encapsulating bactericide, displaying excellent synergies of anti-bacteria and anti-calculus for orthodontic appliances. The excellent antifouling properties can be attributed to two following points: ZH provides anti-adhesion properties <em>via</em> electrostatically induced hydration layers, while the PRMs can kill bacteria by on-demand bactericide release under acidic conditions. Results demonstrated that ZH+PRMs coating significantly reduced bacterial adhesion and inhibited calculus formation while maintaining excellent biocompatibility. By optimizing PRMs concentrations (0–15 wt%), compared with ZH, the antibacterial efficiency of ZH+PRMs (optimal concentration 10 wt%) increased from 49.8 % ± 7.3 % to 95.2 % ± 1.1 % for <em>E. coli</em> and from 85.7 % ± 3.5 % to 91.3 % ± 1.4 % for <em>S. mutans</em>. Compared with pristine steel (SS), ZH+PRMs coating showed <em>ca.</em> 97.0 % reduction for calcium carbonate and <em>ca.</em> 87.3 % reduction for calcium phosphate. In an <em>in vitro</em> model, compared with SS, our coating extended the crystal biofilm inhibition effect from one day to five days. Therefore, this study can provide promising strategies for reducing the risk of dental caries and gingivitis during orthodontic treatment.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"36 12","pages":"Article 111647"},"PeriodicalIF":8.9,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Formylation: A magic strategy for enhancing the performance of visible-light-driven, speed-tunable molecular motors 甲酰化：提高可见光驱动、速度可调分子马达性能的神奇策略

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2025-07-25 DOI: 10.1016/j.cclet.2025.111635

Youxin Fu , Junji Zhang

引用次数: 0

Rational synthesis of poly(heptazine imides) nanorod in ternary LiCl/NaCl/KCl for visible light hydrogen production 在LiCl/NaCl/KCl三元体系中合理合成聚七嗪亚胺纳米棒用于可见光制氢

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2025-07-23 DOI: 10.1016/j.cclet.2025.111621

Xiao Liu , Hangqi Liu , Qian Wang , Dandan Zheng , Sibo Wang , Masakazu Anpo , Guigang Zhang

引用次数: 0

IFC - Editorial Board/ Publication info IFC -编辑委员会/出版信息

IF 9.4 1区化学

Chinese Chemical Letters Pub Date : 2025-07-22 DOI: 10.1016/S1001-8417(25)00649-7

引用次数: 0

Carbonized polymer dots: Illuminating synthesis pathways, optical frontiers, and photoelectronic breakthroughs 碳化聚合物点：照明合成途径、光学前沿和光电突破

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2025-07-20 DOI: 10.1016/j.cclet.2025.111612

Weinan Hu , Li Li , Xinyu Wang , Yongqiang Zhang , Maoping Song , Linlin Shi , Xinqi Hao , Siyu Lu

{"title":"Carbonized polymer dots: Illuminating synthesis pathways, optical frontiers, and photoelectronic breakthroughs","authors":"Weinan Hu , Li Li , Xinyu Wang , Yongqiang Zhang , Maoping Song , Linlin Shi , Xinqi Hao , Siyu Lu","doi":"10.1016/j.cclet.2025.111612","DOIUrl":"10.1016/j.cclet.2025.111612","url":null,"abstract":"<div><div>Since the discovery of carbonized polymer dots (CPDs) two decades ago, this emerging family of carbon-based nanomaterials has rapidly risen to prominence. CPDs have found widespread applications in sensing, catalysis, energy, and biomedicine due to their flexible precursors and synthesis methods, tunable photoluminescence (PL) properties, and excellent biocompatibility. This report presents the advancements made in the realm of CPD precursors, elucidates their luminescence properties and underlying mechanisms, and explores the diverse applications of CPD-based materials. It comprehensively addresses key issues by delving into several interconnected chapters: Initially exploring the intriguing fluorescence and afterglow properties exhibited by CPDs, subsequently unraveling the complex luminescence mechanisms that underlie these phenomena, emphasizing the crucial aspect of controllable synthesis of CPDs, and ultimately culminating in the precise construction of composite materials tailored for applications in laser and electroluminescent devices. Furthermore, this report aims to provide communication and assistance for the controlled synthesis and expanded applications of CPDs.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"36 11","pages":"Article 111612"},"PeriodicalIF":8.9,"publicationDate":"2025-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144860976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Manipulating extracellular matrix to enhance intratumor drug delivery for nanomaterial-based photothermal therapy 操纵细胞外基质以增强基于纳米材料的光热治疗的肿瘤内药物递送

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2025-07-18 DOI: 10.1016/j.cclet.2025.111588

Min Zhang , Ye Chen , Yanan Li , Yifan Zhao , Bai Lv , Jie Cao , Bing Yu , Hailin Cong

{"title":"Manipulating extracellular matrix to enhance intratumor drug delivery for nanomaterial-based photothermal therapy","authors":"Min Zhang , Ye Chen , Yanan Li , Yifan Zhao , Bai Lv , Jie Cao , Bing Yu , Hailin Cong","doi":"10.1016/j.cclet.2025.111588","DOIUrl":"10.1016/j.cclet.2025.111588","url":null,"abstract":"<div><div>Photothermal therapy (PTT), characterized by its minimally invasive nature and highly selective tumor-killing ability, holds great potential for tumor therapy. Due to the outstanding photothermal performance and tumor targeting ability, nanomaterial-based photothermal agents (nano-PTAs) have further expanded the therapeutic horizons of PTT. However, the dense and complicated network of the tumor extracellular matrix (ECM) severely restricts the penetration of nano-PTAs into deep tumor tissues. Since elevated temperatures are only generated in the vicinity of nano-PTAs upon laser irradiation, the uneven distribution of these agents leads to incomplete tumor coverage across the tumor. Consequently, overcoming ECM barriers and enhancing tumor permeability are critical for the success of tumor PTT. To address this challenge, researchers have explored strategies that combine tumor ECM regulation with PTT to facilitate the deep diffusion of nano-PTAs. This review summarizes the latest advancements in designing nano-PTAs with ECM-remodeling capabilities, aiming to enable their uniform penetration throughout tumors. Additionally, we discuss the remaining obstacles and challenges in elucidating the mechanisms of ECM manipulation and understanding the interactions between nano-PTAs and ECM components during the penetration process.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"36 12","pages":"Article 111588"},"PeriodicalIF":8.9,"publicationDate":"2025-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145107638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tailoring the exposure of active facets of FeNCN towards enhanced pseudocapacitive behavior for sodium storage 调整FeNCN的有源面暴露以增强钠储存的假电容行为

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2025-07-16 DOI: 10.1016/j.cclet.2025.111591

Hui Qi , Chaozheng He , Chenfei Song , Juncui Gao , Qing Gao , Weipeng Luo , Ze Zhang , Haoyu Liu , Xiaojing Yuan , Wenfeng Wu , Bohang Zhao , Lina Kong , Yayi Cheng , Ling Guo

{"title":"Tailoring the exposure of active facets of FeNCN towards enhanced pseudocapacitive behavior for sodium storage","authors":"Hui Qi , Chaozheng He , Chenfei Song , Juncui Gao , Qing Gao , Weipeng Luo , Ze Zhang , Haoyu Liu , Xiaojing Yuan , Wenfeng Wu , Bohang Zhao , Lina Kong , Yayi Cheng , Ling Guo","doi":"10.1016/j.cclet.2025.111591","DOIUrl":"10.1016/j.cclet.2025.111591","url":null,"abstract":"<div><div>Iron carbodiimide (FeNCN) anode demonstrates significant potential for rapid sodium-ion storage owing to its high reaction activity and near-metallic conductivity. However, further development of FeNCN is hindered by inherent structural instability and ambiguous structure-kinetics correlation. In this study, FeNCN crystallites with selectively exposed (002) and {010} facets were precisely engineered and synthesized. Notably, the sodium storage kinetics and electrochemical performance of FeNCN exhibit facet-dependent variations. Polyhedral-FeNCN (P-FeNCN) dominated by {010} facets exhibited a pseudocapacitance-driven storage mechanism and delivered exceptional rate capability (372 mAh/g at 5 A/g) and long cyclability (95.8 % capacity retention after 300 cycles at 0.5 A/g). In contrast, sheet-like FeNCN (S-FeNCN) with predominant (002) facet exposure displayed diffusion-limited kinetics due to sluggish ion diffusion rate. Crucially, time-resolved operando XRD analysis and DFT simulation bridge this performance gap to mechanistic origins: FeNCN as an intercalation-conversion type anode, the solid-state diffusion is the rate-determining step during charge/discharge process. Active {010} facets possess numerous broad hexagonal tunnels, coupled with a low diffusion barrier of 0.168 eV along 〈010〉 directions. This unique architectural configuration enables rapid sodium-ion transport, thereby shifting the diffusion-controlled kinetics to intercalation-pseudocapacitive behavior. This discovery establishes active facet exposure as a storage kinetic switch, offering a generalized paradigm for optimizing the rate performance and stability of sodium-ion batteries.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"36 11","pages":"Article 111591"},"PeriodicalIF":8.9,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144860981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Indole-quinoline transmutation enabled by a formal rhodium carbynoid 一种正式的羰基铑使吲哚-喹啉发生嬗变

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2025-07-11 DOI: 10.1016/j.cclet.2025.111583

Cui Xin , Zi-Jian Zhao , Wei-Min He

引用次数: 0

Wood-derived catalysts for green and stable Fenton-like chemistry: From basic mechanisms to catalytic modules and future inspiration 绿色稳定芬顿类化学的木质催化剂：从基本机制到催化模块和未来灵感

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2025-07-07 DOI: 10.1016/j.cclet.2025.111550

Xiaoyun Lei , Hanghang Zhao , Chao Bai , Longlong Geng , Xing Xu

{"title":"Wood-derived catalysts for green and stable Fenton-like chemistry: From basic mechanisms to catalytic modules and future inspiration","authors":"Xiaoyun Lei , Hanghang Zhao , Chao Bai , Longlong Geng , Xing Xu","doi":"10.1016/j.cclet.2025.111550","DOIUrl":"10.1016/j.cclet.2025.111550","url":null,"abstract":"<div><div>Most carbon-based catalysts utilized in Fenton-like systems face challenges such as structural instability, susceptibility to deactivation, and a tendency to disperse during operation. Wood-derived catalysts have garnered considerable attention due to their well-defined structures, extensive pipeline networks, superior mechanical strength, and adaptability for device customization. However, there remains a paucity of research that systematically summarizes Fenton-like systems based on wood-derived catalysts. In this review, we first summarize the structural designs of wood-derived catalysts based on nano-metal sites and single-atom sites, while also outlining their advantages and limitations applied in Fenton-like systems. Furthermore, we evaluate catalytic modules of wood-derived catalysts for scale-up and continuous Fenton-like systems. Additionally, wood-inspired catalytic materials utilizing commercial textures and their applications in Fenton-like processes are also discussed. This paper aims to comprehensively explore the fundamental mechanisms (<em>e.g.</em>, characteristics of catalytic sites, catalytic performance, and mechanisms) of wood-based catalysts in Fenton-like chemistry, as well as their equipment designs and application scenarios, as well as providing the insights into future developments.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"36 10","pages":"Article 111550"},"PeriodicalIF":8.9,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144772922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ru and S co-modification-induced synergistic morphology and electronic engineering of nickel-iron hydroxide with efficient oxygen evolution Ru和S共改性诱导高效析氧氧化镍铁的协同形貌和电子工程

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2025-07-03 DOI: 10.1016/j.cclet.2025.111540

Shengxia Yang , Yukang Pan , Tianyu Kong , Chaoran Jia , Yueyang Cui , Xuehua Li , Yannan Zhou , Haijun Liu , Xinyu Zhang , Bin Dong , Qunwei Tang

{"title":"Ru and S co-modification-induced synergistic morphology and electronic engineering of nickel-iron hydroxide with efficient oxygen evolution","authors":"Shengxia Yang , Yukang Pan , Tianyu Kong , Chaoran Jia , Yueyang Cui , Xuehua Li , Yannan Zhou , Haijun Liu , Xinyu Zhang , Bin Dong , Qunwei Tang","doi":"10.1016/j.cclet.2025.111540","DOIUrl":"10.1016/j.cclet.2025.111540","url":null,"abstract":"<div><div>Synchronously achieving morphological and electronic engineering control is crucial but challenging for enhancing the oxygen evolution reaction (OER) performance of nickel-iron based catalysts. Herein, a ruthenium and sulfur co-modified nickel-iron hydroxide (S<sub>A</sub>Ru<sub>T</sub>-FeNiOH<sub>x</sub>-5h) was synthesized by a distributed room-temperature impregnation method. It was found that the solubility product difference between ruthenium and nickel-iron hydroxide can promote the rapid nucleation of the catalyst and form finer nanosheet structures, thereby increasing 1.25 times for the contact area between the catalyst and the electrolyte. Meanwhile, the subsequent deposition of sulfur can act as an electronic modulator, promoting the transfer of surface charge at nickel sites and increasing the oxidation state of nickel. Theoretical calculations indicate that the combination of ruthenium and sulfur can effectively optimize the OER reaction pathway and lower the activation energy barrier of the rate-determining step, endowing S<sub>A</sub>Ru<sub>T</sub>-FeNiOH<sub>x</sub>-5h an excellent OER performance with a low overpotential of 253 mV at 1000 mA/cm<sup>2</sup> and long-term stability (500h). In the future, it is hoped that this strategy of synergistic control of morphology and electronic structure can be applied to the development of other highly active catalysts.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"36 12","pages":"Article 111540"},"PeriodicalIF":8.9,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0