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Advances in pH Sensing: From Traditional Approaches to Next-Generation Sensors in Biological Contexts pH 传感的进展:从传统方法到生物背景下的新一代传感器。
IF 7 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-07-02 DOI: 10.1002/tcr.202300369
Mahmood Hassan Akhtar, Muhammad Azhar Hayat Nawaz, Manzar Abbas, Ning Liu, Wenzhao Han, Yan Lv, Cong Yu

pH has been considered one of the paramount factors in bodily functions because most cellular tasks exclusively rely on precise pH values. In this context, the current techniques for pH sensing provide us with the futuristic insight to further design therapeutic and diagnostic tools. Thus, pH-sensing (electrochemically and optically) is rapidly evolving toward exciting new applications and expanding researchers’ interests in many chemical contexts, especially in biomedical applications. The adaptation of cutting-edge technology is subsequently producing the modest form of these biosensors as wearable devices, which are providing us the opportunity to target the real-time collection of vital parameters, including pH for improved healthcare systems. The motif of this review is to provide insight into trending tech-based systems employed in real-time or in-vivo pH-responsive monitoring. Herein, we briefly go through the pH regulation in the human body to help the beginners and scientific community with quick background knowledge, recent advances in the field, and pH detection in real-time biological applications. In the end, we summarize our review by providing an outlook; challenges that need to be addressed, and prospective integration of various pH in vivo platforms with modern electronics that can open new avenues of cutting-edge techniques for disease diagnostics and prevention.

pH 值一直被认为是人体功能的最重要因素之一,因为大多数细胞任务都完全依赖于精确的 pH 值。在这种情况下,当前的 pH 值传感技术为我们提供了进一步设计治疗和诊断工具的未来洞察力。因此,pH 值传感(电化学和光学)正朝着令人兴奋的新应用方向迅速发展,并在许多化学领域,尤其是生物医学应用领域,扩大了研究人员的兴趣。随着尖端技术的不断发展,这些生物传感器也以可穿戴设备的形式出现,为我们提供了实时收集包括 pH 值在内的重要参数的机会,以改善医疗保健系统。本综述的目的是深入探讨在实时或体内 pH 响应监测中采用的趋势性技术系统。在此,我们简要介绍了人体中的 pH 调节,以帮助初学者和科学界快速了解背景知识、该领域的最新进展以及实时生物应用中的 pH 检测。最后,我们通过展望、需要应对的挑战以及将各种体内 pH 平台与现代电子技术相结合的前景,对我们的综述进行了总结,这将为疾病诊断和预防的前沿技术开辟新的途径。
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引用次数: 0
Cover Picture: Skeletal Editing of Isatins for Heterocycle Molecular Diversity (Chem. Rec. 6/2024) 封面图片:异形蛋白的骨架编辑实现杂环分子多样性(Chem. Rec. 6/2024)
IF 7 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-06-26 DOI: 10.1002/tcr.202480601
Tiantian Zhang, Prof. Huangdi Feng

The cover picture shows the progress in the skeletal editing of the isatin scaffold in the last decade (2013-2023). A series of ring-expansion reactions for the construction of high-value heterocycles (quinolines, quinolones, polycyclic quinazolines, medium-sized compounds), as well as a variety of ring-opening strategies for the generation of the 2-(azoly)anilines by cleavage of the C−C bond and the C−N bond are revealed. More details can be found in article number e202400024 by Tiantian Zhang and Huangdi Feng (DOl: 10.1002/tcr.202400024.

封面图片展示了过去十年(2013-2023 年)在异atin 支架骨架编辑方面取得的进展。揭示了一系列用于构建高价值杂环(喹啉、喹诺酮、多环喹唑啉、中型化合物)的扩环反应,以及通过裂解 C-C 键和 C-N 键生成 2-(叠氮)苯胺的各种开环策略。更多详情,请参阅张天天和冯黄娣的文章(文章编号:e202400024)(DOl: 10.1002/tcr.202400024.X)。
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引用次数: 0
Recent Progress on Functionalized Nanoporous Heteropoly Acids: From Synthesis to Applications 功能化纳米多孔杂多酸的最新进展:从合成到应用。
IF 7 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-06-14 DOI: 10.1002/tcr.202400043
Hamid Ilbeygi, Juhana Jaafar

Functionalized nanoporous heteropoly acids (HPAs) have garnered significant attention in recent years due to their enhanced surface area and porosity, as well as their potential for low-cost regeneration compared to bulk materials. This review aims to provide an overview of the recent advancements in the synthesis and applications of functionalized HPAs. We begin by introducing the fundamental properties of HPAs and their unique structure, followed by a comprehensive overview of the various approaches employed for the synthesis of functionalized HPAs, including salts, anchoring onto supports, and implementing mesoporous silica sieves. The potential applications of functionalized HPAs in various fields are also discussed, highlighting their boosted performance in a wide range of applications. Finally, we address the current challenges and present future prospects in the development of functionalized HPAs, particularly in the context of mesoporous HPAs. This review aims to provide a comprehensive summary of the recent progress in the field, highlighting the significant advancements made in the synthesis and applications of functionalized HPAs.

近年来,功能化纳米多孔杂多酸(HPAs)因其更大的比表面积和孔隙率,以及与块状材料相比具有低成本再生的潜力而备受关注。本综述旨在概述功能化 HPA 的合成和应用方面的最新进展。我们首先介绍了 HPA 的基本特性及其独特的结构,然后全面综述了合成功能化 HPA 所采用的各种方法,包括盐类、锚定到支撑物上以及采用介孔二氧化硅筛网。此外,我们还讨论了功能化 HPA 在各个领域的潜在应用,强调了其在广泛应用中的性能提升。最后,我们探讨了功能化 HPA 目前面临的挑战,并展望了功能化 HPA 的未来发展前景,尤其是在介孔 HPA 方面。本综述旨在全面总结该领域的最新进展,重点介绍功能化 HPA 的合成和应用方面取得的重大进展。
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引用次数: 0
Photoluminescence of Platinum(II) Complexes with Diazine-Based Ligands 含重氮配体的铂(II)配合物的光致发光。
IF 7 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-06-07 DOI: 10.1002/tcr.202300335
Mariia Hruzd, Raphaël Durand, Sébastien Gauthier, Pascal le Poul, Françoise Robin-le Guen, Sylvain Achelle

In the last past twenty years, research on luminescent platinum (II) complexes has been intensively developed for useful application such as organic light emitting diodes (OLEDs). More recently, new photoluminescent complexes based on diazine ligands (pyrimidine, pyrazine, pyridazine, quinazoline and quinoxaline) have been developed in this context. This review will summarize the photophysical properties of most of the phosphorescent diazine Pt(II) complexes described in the literature and compare the results to pyridine analogues whenever possible. Based on the emission color, and the photoluminescence quantum yield (PLQY) values, the relationship between structure modification, and photophysical properties are highlighted. Tuning of emission color, quantum yields in solution and solid state and, for some complexes, aggregation induced emission (AIE) or thermally activated delayed fluorescence (TADF) properties are described. When emitting OLEDs have been built from diazine Pt(II) complexes, the external quantum efficiency (EQE) values and luminance for different emission wavelengths and in some cases, chromaticity coordinates obtained from devices, are given. Finally, this review highlights the growing interest in studies of new luminescent diazine Pt(II) complexes for OLED applications.

在过去的二十年里,有关发光铂(II)配合物的研究得到了深入的发展,这些配合物被广泛应用于有机发光二极管(OLED)等领域。最近,基于重氮配体(嘧啶、吡嗪、哒嗪、喹唑啉和喹喔啉)的新型光致发光配合物也得到了开发。本综述将总结文献中描述的大多数磷光重氮铂(II)配合物的光物理特性,并尽可能将结果与吡啶类似物进行比较。根据发射颜色和光致发光量子产率 (PLQY) 值,重点介绍了结构修饰与光物理性质之间的关系。介绍了发射颜色、溶液和固态量子产率的调节,以及某些复合物的聚集诱导发射(AIE)或热激活延迟荧光(TADF)特性。在利用重氮铂(II)复合物制造发光有机发光二极管时,还给出了不同发射波长的外部量子效率(EQE)值和亮度,在某些情况下还给出了从设备中获得的色度坐标。最后,本综述强调了人们对重氮铂(II)新发光配合物在 OLED 应用中的研究兴趣与日俱增。
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引用次数: 0
Skeletal Editing of Isatins for Heterocycle Molecular Diversity 对异形蛋白进行骨架编辑以实现杂环分子多样性。
IF 7 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-06-07 DOI: 10.1002/tcr.202400024
Tiantian Zhang, Prof. Huangdi Feng

Isatins have been widely used in the preparation of a variety of heterocyclic compounds, where the skeletal editing of isatins has shown significant advantages for the construction of diverse heterocycles. This review highlights the progress made in the last decade (2013−2023) in the skeletal editing of the isatin scaffold. A series of ring expansion reactions for the construction of quinoline skeleton, quinolone skeleton, polycyclic quinazoline skeleton, medium-sized ring skeleton, as well as a series of ring opening reactions for the generation of 2-(azoly)aniline skeleton by the cleavage of C−C bond and C−N bond are highlighted. It is hoped that this review will provide some understanding of the chemical transformations of isatins and contribute to the further realization of its molecular diversity.

异汀类化合物被广泛用于制备各种杂环化合物,其中异汀类化合物的骨架编辑在构建各种杂环化合物方面具有显著优势。本综述重点介绍了过去十年(2013-2023 年)在异atin 支架骨架编辑方面取得的进展。重点介绍了构建喹啉骨架、喹诺酮骨架、多环喹唑啉骨架、中型环骨架的一系列扩环反应,以及通过裂解 C-C 键和 C-N 键生成 2-(偶氮)苯胺骨架的一系列开环反应。希望这篇综述能让人们对异汀类化合物的化学转化有一定的了解,并有助于进一步认识其分子的多样性。
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引用次数: 0
Biomass Derived Biofluorescent Carbon Dots for Energy Applications: Current Progress and Prospects 用于能源应用的生物质衍生生物荧光碳点:当前进展与前景》。
IF 7 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-06-04 DOI: 10.1002/tcr.202400030
Dr. T. Ayisha Naziba, Dr. D. Praveen Kumar, Dr. S. Karthikeyan, Dr. S. Sriramajayam, Dr. M. Djanaguiraman, Dr. Senthilarasu Sundaram, Mehrdad Ghamari, Dr. R. Prasada Rao, Dr. Seeram Ramakrishna, Dr. D. Ramesh

Biomass resources are often disposed of inefficiently and it causes environmental degradation. These wastes can be turned into bio-products using effective conversion techniques. The synthesis of high-value bio-products from biomass adheres to the principles of a sustainable circular economy in a variety of industries, including agriculture. Recently, fluorescent carbon dots (C-dots) derived from biowastes have emerged as a breakthrough in the field, showcasing outstanding fluorescence properties and biocompatibility. The C-dots exhibit unique quantum confinement properties due to their small size, contributing to their exceptional fluorescence. The significance of their fluorescent properties lies in their versatile applications, particularly in bio-imaging and energy devices. Their rapid and straight-forward production using green/chemical precursors has further accelerated their adoption in diverse applications. The use of green precursors for C-dot not only addresses the biomass disposal issue through a scientific approach, but also establishes a path for a circular economy. This approach not only minimizes biowaste, which also harnesses the potential of fluorescent C-dots to contribute to sustainable practices in agriculture. This review explores recent developments and challenges in synthesizing high-quality C-dots from agro-residues, shedding light on their crucial role in advancing technologies for a cleaner and more sustainable future.

生物质资源经常被低效处理,导致环境退化。利用有效的转化技术可以将这些废物转化为生物产品。从生物质中合成高价值的生物产品符合包括农业在内的各行各业可持续循环经济的原则。最近,从生物废料中提取的荧光碳点(C-dots)在该领域取得了突破性进展,显示出卓越的荧光特性和生物相容性。由于碳点体积小,因此具有独特的量子约束特性,从而产生了卓越的荧光。其荧光特性的意义在于其用途广泛,特别是在生物成像和能源设备方面。利用绿色/化学前驱体快速、直接地生产它们,进一步加快了它们在各种应用中的采用。使用绿色前体生产 C-点不仅能通过科学方法解决生物质处理问题,还能为循环经济开辟一条道路。这种方法不仅能最大限度地减少生物垃圾,还能利用荧光 C-点的潜力为农业的可持续发展做出贡献。本综述探讨了从农业残留物中合成高质量 C-点的最新进展和挑战,揭示了这些技术在推动实现更清洁、更可持续的未来方面所发挥的关键作用。
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引用次数: 0
Cover Picture: Silver Cluster Assembled Materials: A Model-Driven Perspective on Recent Progress, with a Spotlight on Ag12 Cluster Assembly (Chem. Rec. 5/2024) 封面图片银簇组装材料:模型驱动的最新进展视角,聚焦 Ag12 簇组装(Chem.)
IF 6.6 2区 化学 Q1 Materials Science Pub Date : 2024-05-28 DOI: 10.1002/tcr.202480501
Dr. Sourav Biswas, Prof. Yuichi Negishi

The assembly of cluster nodes through linker molecules has been successfully implemented to enhance the material stability. However, the specific reasons behind its success remain to be resolved. This cover image shows such a present situation on the assembly of silver cluster. See the Review by Sourav Biswas, and and Yuichi Negishi (DOl: 10.1002/tcr.202400052.

通过连接分子组装簇节点以提高材料稳定性的方法已成功实施。然而,其成功背后的具体原因仍有待解决。本封面图片展示了银簇组装的现状。请参阅 Sourav Biswas 和 Yuichi Negishi 的综述 (DOl: 10.1002/tcr.202400052.
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引用次数: 0
Silver Cluster Assembled Materials: A Model-Driven Perspective on Recent Progress, with a Spotlight on Ag12 Cluster Assembly 银簇组装材料:模型驱动的最新进展视角,聚焦 Ag12 簇组装。
IF 6.6 2区 化学 Q1 Materials Science Pub Date : 2024-05-22 DOI: 10.1002/tcr.202400052
Dr. Sourav Biswas, Prof. Yuichi Negishi

The exploration of individual nanoclusters is rapidly advancing, despite stability concerns. To address this challenge, the assembly of cluster nodes through linker molecules has been successfully implemented. However, the linking of the cluster nodes itself introduces a multitude of possibilities, especially when additional factors come into play. While this method proves effective in enhancing material stability, the specific reasons behind its success remain elusive. In our laboratory, we have undertaken extensive studies on Ag cluster-assembled materials. So, here our goal is to establish a model system that allows for the discernment of various factors, eliminating unnecessary complexities during the linking approach. So, we hope that the systematic discourse presented in here will contribute significantly to future endeavors, helping to set clear priorities, and provide solutions to concerns that arise when working with a model system.

尽管存在稳定性问题,对单个纳米团簇的探索仍在迅速推进。为了应对这一挑战,通过连接分子组装簇节点的方法已经成功实现。然而,簇节点的连接本身带来了多种可能性,尤其是当其他因素发挥作用时。虽然这种方法被证明能有效提高材料的稳定性,但其成功背后的具体原因仍然难以捉摸。在我们的实验室中,我们已经对琼脂簇组装材料进行了广泛的研究。因此,我们的目标是建立一个模型系统,以便对各种因素进行辨别,消除连接方法中不必要的复杂性。因此,我们希望在此提出的系统论述将对未来的工作做出重大贡献,帮助确定明确的优先事项,并为使用模型系统时出现的问题提供解决方案。
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引用次数: 0
An Emerging Trend in the Synthesis of Iron Titanate Photocatalyst Toward Water Splitting 合成钛酸铁光催化剂以实现水分离的新趋势。
IF 6.6 2区 化学 Q1 Materials Science Pub Date : 2024-05-22 DOI: 10.1002/tcr.202400016
Moses D. Ashie, Dr. Dhananjay Kumar, Dr. Bishnu Prasad Bastakoti

Hydrogen gas is a prominent focus in pursuing renewable and clean alternative energy sources. The quest for maximizing hydrogen production yield involves the exploration of an ideal photocatalyst and the development of a simple, cost-effective technique for its generation. Iron titanate has garnered attention in this context due to its photocatalytic properties, affordability, and non-toxic nature. Over the years, different synthesis routes, different morphologies, and some modifications of iron titanate have been carried out to improve its photocatalytic performance by enhancing light absorption in the visible region, boosting charge carrier transfer, and decreasing recombination of electrons and holes. The use of iron titanate photocatalyst for hydrogen evolution reaction has seen an upward trend in recent times, and based on available findings, more can be done to improve the performance. This review paper provides a comprehensive overview of the fundamental principles of photocatalysis for hydrogen generation, encompassing the synthesis, morphology, and application of iron titanate-based photocatalysts. The discussion delves into the limitations of current methodologies and present and future perspectives for advancing iron titanate photocatalysts. By addressing these limitations and contemplating future directions, the aim is to enhance the properties of materials fabricated for photocatalytic water splitting.

氢气是寻求可再生清洁替代能源的一个突出重点。要最大限度地提高氢气产量,就必须探索一种理想的光催化剂,并开发一种简单、经济高效的制氢技术。在这方面,钛酸铁因其光催化特性、经济性和无毒性而备受关注。多年来,人们采用不同的合成路线、不同的形态以及对钛酸铁进行一些改性,通过增强可见光区域的光吸收、促进电荷载流子转移以及减少电子和空穴的重组来提高其光催化性能。近年来,钛酸铁光催化剂在氢进化反应中的应用呈上升趋势。本综述全面概述了光催化制氢的基本原理,包括钛酸铁基光催化剂的合成、形态和应用。讨论深入探讨了当前方法的局限性,以及钛酸铁光催化剂目前和未来的发展前景。通过解决这些局限性并思考未来的发展方向,旨在提高光催化水分离材料的性能。
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引用次数: 0
The Historical Development of the Concepts Underlying the Design and Construction of Targeted Coordination Polymers/MOFs: A Personal Account 设计和制造靶向配位聚合物/MOFs 的基本概念的历史发展:个人经历。
IF 6.6 2区 化学 Q1 Materials Science Pub Date : 2024-05-22 DOI: 10.1002/tcr.202400038
Richard Robson

Presented here is a personal account of how the ideas and concepts underlying the design and construction of coordination polymers/MOFs developed historically - from the earliest conjectures in the 1970’s about the possibility of using pre-organized building blocks to construct targeted polymeric structures, to the initial experimental implementation of these ideas in the mid-80’s and to the introduction of the name MOFs in the 90’s. The early exploratory work with pre-organized building blocks described in this article paved the way for the subsequent explosion of research activity in the CP/MOF area and for the generation of an essentially unlimited range of designed coordination polymer structures promising a variety of useful properties.

本文介绍了配位聚合物/MOFs 设计和构建的基本思想和概念的历史发展过程--从 20 世纪 70 年代关于使用预组织构件构建目标聚合物结构的可能性的最早猜想,到 80 年代中期这些思想的初步实验实施,再到 90 年代 MOFs 名称的引入。本文所描述的对预组织构筑模块的早期探索工作,为随后 CP/MOF 领域研究活动的爆炸式增长,以及有望产生具有各种有用特性的无限范围的设计配位聚合物结构铺平了道路。
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引用次数: 0
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