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Fear the worst, smell the best 怕最坏,闻最好。
IF 51.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2025-05-19 DOI: 10.1038/s41570-025-00727-1
Stephanie Greed
Human bodies have complex reactions to stress and anxiety. A recent study explores the effect of fear on our sensitivity to odours.
人体对压力和焦虑有复杂的反应。最近的一项研究探讨了恐惧对我们对气味的敏感性的影响。
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引用次数: 0
Rings make more room 戒指能腾出更多空间
IF 51.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2025-05-15 DOI: 10.1038/s41570-025-00723-5
Anna K. Patterson
Ring-shaped colloidal particles can be used to form Pickering emulsions, just as solid particles, but their shape means that a larger portion of the emulsion interface remains open, which is critical for application performance.
环形胶体颗粒可以像固体颗粒一样形成皮克林乳液,但它们的形状意味着乳液界面的大部分保持开放,这对应用性能至关重要。
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引用次数: 0
Element sets for schools 学校元素集
IF 51.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2025-05-14 DOI: 10.1038/s41570-025-00724-4
Stuart R. Batten
The Element Sets project created more than 1,600 sets of 37 pure elements that were sent free to schools all over Australia. This outreach project was able to target very remote and under-resourced schools, and support students and teachers indefinitely without requiring a continual pipeline of funding, consumables and planning.
“元素套装”项目制作了1600多套37种纯元素,免费分发给澳大利亚各地的学校。这个外展项目能够针对非常偏远和资源不足的学校,并无限期地支持学生和教师,而不需要持续的资金、消耗品和规划。
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引用次数: 0
The role and structure of molecular glues in plant signalling networks 分子胶在植物信号网络中的作用和结构
IF 51.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2025-05-12 DOI: 10.1038/s41570-025-00717-3
Fidel Lozano-Elena, Sebastian Wendeborn
Protein–protein interactions are one of the pillars of all life processes. Many signalling molecules work by promoting and stabilizing these interactions. These molecular ‘glues’ bind simultaneously to two proteins inducing their interaction, which would be otherwise less favourable or non-favourable. Importantly, they can be harnessed for a clinical purpose, but, despite advances in medicine, the wealth of natural molecular glues in plants have only rarely been commercially utilized. These molecular glues may be plant-endogenous or plant-exogenous small molecules or peptides, and they may be involved in many different processes, such as growth promotion or stress response, opening new opportunities for crop protection, along with other applications. In this Review, we analyse the underlying structural motives and molecular interactions in detail, classifying the modes of actions based on their nature (small ligands versus peptides) and receptor classes. We discuss both natural metabolites and mimetics of such compounds, highlighting similarities and differences between signalling pathways and comparing them with relevant mechanisms in mammals. In this Review we discuss the fascinating molecular details of the small molecules and peptides promoting plant protein–protein interactions, and their relevance for plant development and environmental responses.
蛋白质之间的相互作用是所有生命过程的支柱之一。许多信号分子通过促进和稳定这些相互作用而起作用。这些分子“胶”同时与两种蛋白质结合,诱导它们相互作用,否则这将是不太有利或不有利的。重要的是,它们可以用于临床目的,但是,尽管医学取得了进步,植物中丰富的天然分子胶很少被商业利用。这些分子胶可能是植物内源或植物外源的小分子或肽,它们可能参与许多不同的过程,如促进生长或应激反应,为作物保护以及其他应用开辟了新的机会。在这篇综述中,我们详细分析了潜在的结构动机和分子相互作用,根据它们的性质(小配体与肽)和受体类别对作用模式进行了分类。我们讨论了这些化合物的天然代谢物和模拟物,强调了信号通路之间的异同,并将它们与哺乳动物的相关机制进行了比较。
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引用次数: 0
Terahertz calorimetry spotlights the role of water in biological processes 太赫兹量热法强调了水在生物过程中的作用。
IF 51.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2025-05-09 DOI: 10.1038/s41570-025-00712-8
Simone Pezzotti, Wanlin Chen, Fabio Novelli, Xiaoqing Yu, Claudius Hoberg, Martina Havenith
Terahertz (THz) calorimetry is a framework that allows for the deduction and quantification of changes in solvation entropy and enthalpy associated with biological processes in real-time. Fundamental biological processes are inherently non-equilibrium, and a small imbalance in free energy can trigger protein condensation or folding. Although biophysical techniques typically focus mainly on structural characterization, water is often ignored. Being a generic solvent, the intermolecular protein–water interactions act as a strong competitor for intramolecular protein–protein interactions, leading to a delicate balance between functional structure formation and complete solvation. Characteristics for biological processes are large, but competing enthalpic and entropic solvation contributions to the total Gibbs free energy lead to subtle energy differences of only a few kJ mol−1 that are capable of dictating biological functions. THz calorimetry spotlights these intermolecular coupled protein–water interactions. With experimental advances in THz technology, a new frequency window has opened, which is ideally suited to probe these low-frequency intermolecular interactions. The future impact of these studies is based on the belief that the observed changes in solvation entropy and enthalpy are not secondary effects but dictate biological function. By quantifying the changes in the low-frequency spectra of coupled intermolecular solute–solvent modes, THz calorimetry can be used as a framework to deduce the changes of the Gibbs free energy during biological and chemical processes. Leveraging the advances in THz technologies, THz lasers allow for high temporal resolution and applications to inhomogeneous samples.
太赫兹(THz)量热法是一个框架,允许扣除和量化与生物过程相关的实时溶剂化熵和焓的变化。基本的生物过程本质上是不平衡的,自由能的微小不平衡就能引发蛋白质的凝结或折叠。虽然生物物理技术通常主要关注结构表征,但水往往被忽视。作为一种通用溶剂,分子间蛋白质-水相互作用是分子内蛋白质-蛋白质相互作用的有力竞争者,导致功能结构形成和完全溶剂化之间的微妙平衡。生物过程的特征很大,但是相互竞争的焓和熵溶剂化对总吉布斯自由能的贡献导致只有几kJ mol-1的细微能量差异,这能够决定生物功能。太赫兹量热法聚焦这些分子间偶联的蛋白质-水相互作用。随着太赫兹技术的实验进展,一个新的频率窗口已经打开,它非常适合探测这些低频分子间相互作用。这些研究的未来影响是基于这样一种信念,即观察到的溶剂化熵和焓的变化不是次要效应,而是决定了生物功能。
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引用次数: 0
Power dressing 穿着
IF 51.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2025-04-30 DOI: 10.1038/s41570-025-00720-8
Alexander Rosu-Finsen
Incorporating thermoelectric materials into our everyday clothing could be an clever way of keeping our smart devices powered at all times. A study now looks into the feasibility of this, noting the importance of reaction conditions on the thermoelectric properties.
将热电材料结合到我们的日常服装中可能是一种让我们的智能设备随时供电的聪明方法。现在有一项研究探讨了这种方法的可行性,指出了反应条件对热电性能的重要性。
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引用次数: 0
Structural control over single-crystalline oxides for heterogeneous catalysis 多相催化单晶氧化物的结构控制
IF 51.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2025-04-28 DOI: 10.1038/s41570-025-00715-5
Seok-Jin Kim, Raghu V. Maligal-Ganesh, Javeed Mahmood, Pravin Babar, Cafer T. Yavuz
Oxides are integral to heterogeneous catalysis, serving critical roles such as catalyst supports, active materials and electrodes. A highly ordered subset, single-crystalline oxides, have traditionally been used as model catalyst supports in fundamental surface science studies. However, advancements in bulk synthesis have rendered their general use more feasible for real-world applications. In this review, we explore the efficiency of single-crystalline oxides as active metals and supports across a wide range of heterogeneous processes, often performing exceptionally well. Beginning with synthetic methods, we discuss the advantages of single-crystalline oxides in thermo-, electro- and photocatalysis. Previously held conventions about catalytic activity, deactivation and surface–adsorbate interactions are re-evaluated by understanding how these ordered materials behave during the respective reactions. Last, we assess advances in characterization techniques and their impact on designing the next generation of catalysts based on single-crystalline oxides. Single-crystalline oxides offer well-defined surfaces, enabling superior control of their chemistry with tunable catalytic activity and enhanced stability. This review summarizes new advances in their synthesis and analysis, and their prominence in heterogeneous catalysis, namely thermo-, electro- and photocatalysis.
氧化物是多相催化不可或缺的组成部分,扮演着催化剂载体、活性材料和电极等重要角色。一个高度有序的子集,单晶氧化物,传统上被用作基础表面科学研究中的模型催化剂载体。然而,体合成的进步使得它们在现实世界的应用中更加可行。在这篇综述中,我们探索了单晶氧化物作为活性金属和支持物在广泛的异质工艺中的效率,通常表现得非常好。从合成方法入手,讨论了单晶氧化物在热催化、电催化和光催化方面的优点。通过了解这些有序材料在各自反应中的行为,重新评估了以前关于催化活性、失活和表面吸附相互作用的惯例。最后,我们评估了表征技术的进展及其对设计下一代基于单晶氧化物的催化剂的影响。
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引用次数: 0
The cosmochemistry of planetary systems 行星系统的宇宙化学。
IF 51.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2025-04-28 DOI: 10.1038/s41570-025-00711-9
Martin Bizzarro, Anders Johansen, Caroline Dorn
Planets form and obtain their compositions from the leftover material present in protoplanetary disks of dust and gas surrounding young stars. The chemical make-up of a disk influences every aspect of planetary composition, including their overall chemical properties, volatile content, atmospheric composition and potential for habitability. This Review discusses our knowledge of the chemical and isotopic composition of Solar System materials and how this information can be used to place constraints on the formation pathways of terrestrial planets. We conclude that planetesimal formation by the streaming instability followed by rapid accretion of drifting pebbles within the protoplanetary disk lifetime reproduces most of the chemical and isotopic observables in the Solar System. This finding has important implications for planetary habitability beyond the Solar System because in pebble accretion, volatiles important for life are accreted during the main growth phase of rocky planets as opposed to the late stage. Finally, we explore how bulk chemical inventories and masses of planetary bodies control the composition of their primordial atmospheres and their potential to develop habitable conditions. Leftover materials in protoplanetary disks form planets, shaping their chemistry, atmospheres and habitability. This Review highlights how planetesimal formation and pebble accretion explain planetary compositions, influencing volatile delivery and atmospheric development, with implications for planetary habitability beyond our Solar System.
行星的形成和组成来自于围绕着年轻恒星的尘埃和气体的原行星盘中的剩余物质。圆盘的化学组成影响行星组成的各个方面,包括它们的总体化学性质、挥发性含量、大气组成和可居住性的潜力。这篇综述讨论了我们对太阳系物质的化学和同位素组成的了解,以及如何利用这些信息来限制类地行星的形成途径。我们得出的结论是,在原行星盘的生命周期内,由流不稳定性和漂流卵石的快速吸积引起的星子形成再现了太阳系中大部分可观测到的化学和同位素。这一发现对太阳系以外行星的可居住性具有重要意义,因为在鹅卵石吸积中,对生命重要的挥发物是在岩石行星的主要生长阶段而不是后期阶段被吸积的。最后,我们探讨了行星体的大量化学库存和质量如何控制其原始大气的组成及其发展可居住条件的潜力。
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引用次数: 0
Co-solvent strategy for rechargeable post-lithium metal batteries 可充电后锂金属电池的共溶剂策略。
IF 51.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2025-04-28 DOI: 10.1038/s41570-025-00714-6
Xu Liu, Xu Dong, Henry Adenusi, Yuping Wu, Stefano Passerini
The potential increase in cost of lithium-ion batteries owing to the limited supply of lithium has prompted investigations into alternative and complementary rechargeable batteries that use post-lithium charge carriers with higher elemental abundance. However, achieving highly reversible post-lithium metal anodes with sufficient kinetics remains challenging. The addition of co-solvents to conventional electrolytes is emerging as an important strategy to resolve these issues. In this Perspective, we discuss the progress of the co-solvent strategy for sodium, potassium, magnesium, calcium, zinc and aluminium post-lithium metal batteries. The coordination ability of co-solvents with post-lithium charge carriers is presented as a useful guide for selecting co-solvents for the respective battery electrolytes, owing to its correlation with several influential factors that affect the electrochemical performance of the metal anodes, such as solvation structure, de-solvation process and solid electrolyte interphase formation. Additionally, a discussion is provided on the importance of unravelling the effects beyond the solvation sheath of cationic charge carriers and for the development of sustainable electrolytes. The coordination ability of co-solvents with cationic charge carriers is discussed as a guide for selecting co-solvents for various post-lithium metal batteries. Effects beyond the solvation sheath of cationic charge carriers and the sustainable development of electrolytes are necessary for improving batteries in the future.
由于锂供应有限,锂离子电池的成本可能会增加,这促使人们研究使用元素丰度更高的后锂电荷载体的替代和互补可充电电池。然而,获得具有足够动力学的高可逆后锂金属阳极仍然具有挑战性。在传统电解质中添加共溶剂是解决这些问题的重要策略。本文主要讨论了钠、钾、镁、钙、锌、铝后锂金属电池的共溶剂策略的研究进展。共溶剂与后锂载流子的配位能力与影响金属阳极电化学性能的几个因素(如溶剂化结构、脱溶剂化过程和固体电解质间相形成)相关,可以作为选择电池电解质共溶剂的有用指南。此外,还讨论了揭示阳离子载流子溶剂化鞘之外的影响以及开发可持续电解质的重要性。
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引用次数: 0
Self-healing crystals 自愈的晶体
IF 51.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2025-04-14 DOI: 10.1038/s41570-025-00706-6
Patrick Commins, Marieh B. Al-Handawi, Panče Naumov
Self-healing is an intrinsically exciting concept as it applies to the process of recovery, a commonplace phenomenon found in living organisms. Self-healing of artificial materials is as beneficial to living creatures as it is to materials science, wherein the effect can considerably prolong lifetimes. Although self-healing sodium chloride crystals were discovered in the 1980s, the field entered a renaissance when healing was observed in the emerging materials class of molecular crystals in 2016. Self-healing properties in polymers, cementitious materials, and coatings have already found commercial applications. The reinvigorated interest in self-healing molecular crystals stems from their prospects as durable, lightweight and flexible emissive or electronic materials. Ideally being defectless and ordered media, organic crystals have unique optical, mechanical and electrical properties, and the possibility of self-healing substantially increases their viability for smart devices. Self-healing crystals are an emerging class of materials that are highly responsive to dynamic stimuli. This Perspective gives an overview of the field since its inception, highlights current design principles, and discusses the methodologies used to characterize healed crystals.
自我修复是一个本质上令人兴奋的概念,因为它适用于恢复过程,这是在生物体中发现的一种常见现象。人造材料的自我修复对生物和材料科学都是有益的,其效果可以大大延长寿命。虽然自修复氯化钠晶体早在20世纪80年代就被发现,但当2016年在新兴材料类分子晶体中观察到自修复后,该领域进入了复兴时期。聚合物、胶凝材料和涂料的自修复特性已经找到了商业应用。对自我修复分子晶体重新燃起的兴趣源于它们作为耐用、轻便和灵活的发射或电子材料的前景。理想情况下,有机晶体是无缺陷有序的介质,具有独特的光学、机械和电学性能,并且自我修复的可能性大大增加了它们在智能设备中的可行性。
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引用次数: 0
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Nature reviews. Chemistry
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