Current Opinion in Colloid & Interface Science最新文献

英文中文

Open issues in the linear and NonLinear rheology of wormlike micelles 虫状胶束的线性和非线性流变学的开放性问题

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science

Pub Date : 2025-03-28 DOI: 10.1016/j.cocis.2025.101919

Rossana Pasquino , Rolando Castillo

We review experimental evidence and theoretical/modeling approaches on Wormlike Micelles (WLMs) dynamics in linear and nonlinear regimes. We focus on recent works regarding the extraction of quantitative microscopic information from linear rheology data and the possibility of quantifying the fast relaxation processes. Models for WLMs undergoing reptation and chain sequence rearrangement are discussed. Strong shear and elongational flows that can cause interesting phenomena, e.g. chain scission, structure formation, and elastic instabilities in WLMs, are considered. More specifically, start-up shear flow in the nonlinear regime, LAOS experiments, and relative data treatment are discussed, together with shear-banding phenomena and their dynamics, inertio-elastic instabilities, and secondary flow. Different techniques for measuring WLMs in extensional flow are compared, referring in particular to the recent dripping-onto-substrate (DoS) extensional rheometry, which is able to address some shortcomings of the CaBER technique. We finally deal with the potential source of triggering flow profiles and secondary flows with fluid properties and external conditions.

本文综述了线性和非线性条件下虫状胶束动力学的实验证据和理论/建模方法。我们关注的是最近关于从线性流变数据中提取定量微观信息和量化快速松弛过程的可能性的工作。讨论了WLMs复制和链序列重排的模型。强剪切和拉长流动可以引起有趣的现象，如链断裂，结构形成和弹性不稳定的wlm，被考虑。更具体地说，讨论了非线性状态下的启动剪切流，老挝实验和相关数据处理，以及剪切带现象及其动力学，惯性-弹性不稳定性和二次流。本文比较了在拉伸流动中测量wlm的不同技术，特别提到了最近的滴入-基底（DoS）拉伸流变法，该技术能够解决CaBER技术的一些缺点。最后讨论了流体性质和外部条件下触发流动剖面和二次流动的潜在来源。

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引用次数: 0

Hydrogel-based inks for extrusion 3D printing: A rheological viewpoint 用于挤压3D打印的水凝胶油墨：流变学观点

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science

Pub Date : 2025-03-21 DOI: 10.1016/j.cocis.2025.101918

Prachi Thareja , Sanchari Swarupa , Siraj Ahmad , Manasi Esther Jinugu

Extrusion 3D printing has achieved significant progress, emerging as one of the most important 3D printing methods for designing biologically relevant organs or tissue substitutes by bioprinting cell-laden inks. Swollen polymeric networks, or hydrogels, have emerged as the preferred biomaterial for fabricating cell-encapsulated inks appropriate for layer-by-layer extrusion through nozzles. The design aspects of the hydrogels play a crucial role in determining the flow behavior of these inks. The review first overviews the fundamentals of rheological measurements in extrusion-based 3D printing, followed by hydrogel ink design approaches, and their implications on the rheological properties. We also discuss the effect of cell density on rheology and 3D bioprinting outcomes. We identify the existing challenges in the field of extrusion bioprinting and discuss future directions to address them.

挤压3D打印已经取得了重大进展，成为通过生物打印细胞负载墨水来设计生物相关器官或组织替代品的最重要的3D打印方法之一。膨胀的聚合物网络，或水凝胶，已经成为制造细胞封装墨水的首选生物材料，适合通过喷嘴逐层挤压。水凝胶的设计在决定这些油墨的流动行为方面起着至关重要的作用。该综述首先概述了基于挤出的3D打印流变测量的基本原理，其次是水凝胶油墨设计方法，以及它们对流变特性的影响。我们还讨论了细胞密度对流变性和3D生物打印结果的影响。我们确定了挤压生物打印领域存在的挑战，并讨论了解决这些挑战的未来方向。

引用次数: 0

Complex fluid product microstructure imaging with light sheet fluorescence microscopy 基于薄片荧光显微镜的复杂流体产品微结构成像

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science

Pub Date : 2025-03-08 DOI: 10.1016/j.cocis.2025.101916

Patrick T. Spicer, Maryam Hosseini, Firoozeh Babayekhorasani

Light sheet fluorescence microscopy (LSFM), uses a thin sheet laser illumination to rapidly image samples with greatly reduced photodamage versus previous techniques. The flexibility of the technique has powered significant advances in biology research by connecting length scales from individual cells to entire developmental embryos. For similar reasons, LSFM is poised to enhance mesoscale imaging of complex fluid microstructures in fundamental and commercial systems. This work introduces the LSFM technique and reviews some of its complex fluid applications along with examples of its use in food, biomaterial, and emulsion product samples. The technique is shown to nicely complement existing complex fluid characterization methods because of its breadth of length scale resolution and its lack of photobleaching effects. New product applications for LSFM are identified and discussed, suggesting additional integration with existing techniques.

薄片荧光显微镜（LSFM）使用薄片激光照明快速成像样品，与以前的技术相比，大大减少了光损伤。该技术的灵活性通过连接单个细胞到整个发育胚胎的长度尺度，为生物学研究提供了重大进展。出于类似的原因，LSFM有望在基础和商业系统中增强复杂流体微观结构的中尺度成像。这项工作介绍了LSFM技术，并回顾了一些复杂的流体应用，以及它在食品、生物材料和乳液产品样品中的应用实例。由于该技术具有宽、长、尺度分辨率和无光漂白效应，可以很好地补充现有的复杂流体表征方法。对LSFM的新产品应用进行了识别和讨论，建议与现有技术进行额外的集成。

引用次数: 0

Eco-sustainable delivery strategies to drive agriculture forward 推动农业发展的生态可持续交付战略

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science

Pub Date : 2025-03-08 DOI: 10.1016/j.cocis.2025.101917

Noemi Gallucci , Ilaria De Cristofaro , Irene Russo Krauss , Gerardino D'Errico , Luigi Paduano

This review provides an overview of the different types of carriers for agriculture that have appeared in the literature in the last five years. The purpose is to highlight the development of increasingly performing and eco-friendly nanotechnology. The focus is on the advantages of using micro/nano-emulsions, polysaccharides micro/nanocarriers, and inorganic nanocarriers. The information gathered contributes to the development of carriers’ nanotechnology, allowing specific and controlled delivery while being minimally toxic for the environment and humans.

本文综述了近五年来在文献中出现的不同类型的农业载体。其目的是强调越来越高性能和环保的纳米技术的发展。重点介绍了微纳米乳剂、多糖微纳米载体和无机纳米载体的优点。收集到的信息有助于载体纳米技术的发展，在对环境和人类毒性最小的情况下，实现特定和可控的递送。

引用次数: 0

Progress in integrated photo-rechargeable battery technologies 集成光充电电池技术进展

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science

Pub Date : 2025-03-06 DOI: 10.1016/j.cocis.2025.101915

Manuel Abellán , Isabel Ciria-Ramos , Ignacio Gascón , Marta Haro , Emilio J. Juarez-Perez

Integrated photo-rechargeable battery systems represent a significant advancement in sustainable energy storage and conversion by combining photovoltaic energy harvesting with direct energy storage in a compact design. Although initially studied in the 1970s, interest in this field has surged in recent years. Due to the multidisciplinary nature of this topic, researchers from diverse backgrounds approach it with varying methodologies, resulting in highly diverse cell designs and inconsistent performance metrics. These variations complicate the comparison and evaluation of system efficiency and functionality. This review presents a comprehensive overview of the field's development and current state, from early photoelectrochemical approaches to modern integrated designs. Additionally, it addresses the challenge of performance evaluation by compiling current approaches to performance measurement and proposing standardized evaluation parameters under defined conditions. This dual focus on field overview and metrics standardization aims to provide both a thorough understanding of solar electrochemical energy storage technologies and a framework for their consistent evaluation, which is critical for advancing these technologies.

集成光可充电电池系统通过将光伏能量收集与直接能量储存结合在紧凑的设计中，代表了可持续能量存储和转换方面的重大进步。虽然最初的研究是在20世纪70年代，但近年来对这一领域的兴趣激增。由于该主题的多学科性质，来自不同背景的研究人员使用不同的方法来研究它，导致高度多样化的细胞设计和不一致的性能指标。这些变化使系统效率和功能的比较和评估复杂化。本文综述了该领域的发展和现状，从早期的光电化学方法到现代的集成设计。此外，它通过汇编目前的绩效衡量方法和提出在规定条件下的标准化评价参数来解决绩效评价的挑战。这种对现场概述和指标标准化的双重关注旨在全面了解太阳能电化学储能技术，并为其一致性评估提供框架，这对推进这些技术至关重要。

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引用次数: 0

Challenges and prospects of semi transparent dye-sensitized solar cells for real-world applications: A review 半透明染料敏化太阳能电池在实际应用中的挑战与前景综述

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science

Pub Date : 2025-02-21 DOI: 10.1016/j.cocis.2025.101907

Md Naimur Rahman Antu , Md Wasif Hasan , M. Hasanuzzaman , M. Moinul Islam

The demand for sustainable energy drives innovation in solar technology, with semi-transparent dye-sensitized solar cells (ST-DSSCs) combining power generation and light transmission. This review investigates the potential of ST-DSSCs in applications like smart farming, interior energy harvesting, and building-integrated photovoltaics (BIPV). The device architecture, cutting-edge materials, manufacturing techniques, and the new idea of bi-facial DSSCs are explored in detail. The review also examines the limitations encountered by ST-DSSCs, including technological challenges, safety concerns, economic barriers, and environmental impacts, while proposing practical solutions to address these issues. Furthermore, it explores the current regulations and standards regarding ST-DSSCs and provides suggestions for their implementation and progress in the future. This study intends to offer significant insights for academics, policymakers, and industry stakeholders by emphasizing the development of sustainable and efficient solar energy solutions.

对可持续能源的需求推动了太阳能技术的创新，半透明染料敏化太阳能电池（ST-DSSCs）结合了发电和光传输。本文综述了ST-DSSCs在智能农业、室内能源收集和建筑集成光伏（BIPV）等领域的应用潜力。详细探讨了双面DSSCs的器件结构、前沿材料、制造技术和新思路。该报告还审查了ST-DSSCs遇到的限制，包括技术挑战、安全问题、经济壁垒和环境影响，同时提出了解决这些问题的实际解决方案。同时，对ST-DSSCs的现行法规和标准进行了探讨，并对今后ST-DSSCs的实施和发展提出了建议。本研究旨在通过强调可持续和高效太阳能解决方案的发展，为学术界、政策制定者和行业利益相关者提供重要的见解。

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引用次数: 0

Foams in cosmetics: New trends in detergency, friction, coatings 化妆品中的泡沫：去污力、摩擦力和涂层方面的新趋势

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science

Pub Date : 2025-02-13 DOI: 10.1016/j.cocis.2025.101906

Gustavo S. Luengo , Odile Aubrun , Frederic Restagno

Foams and bubbles are particularly valuable in cosmetics as they can provide functional, sensorial, and emotional benefits. They are ubiquitous in cleaning products for skin and hair containing complex mixtures of short chain surfactants, polymers and other technical (salts, glycols…) or beneficial ingredients (silicones, oils, actives…). Other cosmetic applications (styling, skincare, coloration, etc.) may use foam format for their light feel and easy spreading on hair and skin, covering a wide range of compositions from alcoholic solutions to oily gels.

Besides aspects related to the formation, stability, and structure of foams (that are key in continuously optimizing the performance and usage of foam-based cosmetic products), the right choices of natural and bio-based ingredients will also help to overcome actual challenges such as sustainability. Moreover, their contact and spreading properties on natural surfaces are essential for various applications properties such as cleansing and deposition of topical cosmetic and dermatological products, etc.

In this opinion article, we describe the recent advances and challenges in using foams in cosmetics from both physical and formulation perspectives. We focus our attention on the foam–substrate interaction and recent studies opening new concepts and solutions of interest for cosmetic applications such as foam tribology and deposition.

泡沫和气泡在化妆品中特别有价值，因为它们可以提供功能、感官和情感上的好处。它们在含有短链表面活性剂、聚合物和其他技术成分（盐、乙二醇等）或有益成分（有机硅、油、活性物质等）的复杂混合物的皮肤和头发清洁产品中无处不在。其他化妆品应用（造型、护肤、着色等）可以使用泡沫形式，因为它们手感轻，容易涂抹在头发和皮肤上，涵盖了从酒精溶液到油性凝胶的广泛成分。除了与泡沫的形成、稳定性和结构有关的方面（这是不断优化泡沫化妆品性能和使用的关键），正确选择天然和生物基成分也将有助于克服诸如可持续性等实际挑战。此外，它们在自然表面上的接触和扩散特性对于各种应用特性至关重要，例如局部化妆品和皮肤产品的清洁和沉积等。在这篇观点文章中，我们从物理和配方的角度描述了泡沫在化妆品中使用的最新进展和挑战。我们专注于泡沫-衬底相互作用和最近的研究为美容应用开辟了新的概念和解决方案，如泡沫摩擦学和沉积。

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引用次数: 0

Pioneering advancements in quantum dot solar cells: Innovations in synthesis and cutting-edge applications 量子点太阳能电池的开创性进展：合成和前沿应用的创新

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science

Pub Date : 2025-02-11 DOI: 10.1016/j.cocis.2025.101905

Shailesh Narain Sharma , Pooja Semalti , Bhawna , A. Srinivas Rao

This review explores the potential of Quantum Dot Solar Cells (QDSCs) in revolutionizing photovoltaic technology. By leveraging the unique properties of quantum dots, QDSCs promise enhanced efficiency and lower production costs. Key innovations like tandem quantum dot solar cells (TQDSCs) and hybrid organic-quantum dot (HQD) solar cells are highlighted for their ability to absorb a broader light spectrum and combine organic semiconductors with quantum dots.

However, challenges such as long-term stability, material toxicity, and scalability remain obstacles to commercial viability. The review calls for continued research into non-toxic materials, better encapsulation techniques, and cost-effective manufacturing processes. A forward-looking perspective emphasizes that interdisciplinary efforts are crucial for integrating QDSCs into the renewable energy landscape, potentially driving a more sustainable future.

本文综述了量子点太阳能电池（qdsc）在光伏技术革命中的潜力。通过利用量子点的独特特性，qdsc有望提高效率并降低生产成本。关键的创新，如串联量子点太阳能电池（tqdsc）和混合有机量子点太阳能电池（HQD），因其吸收更广泛的光谱和将有机半导体与量子点结合的能力而备受关注。然而，诸如长期稳定性、材料毒性和可扩展性等挑战仍然是商业可行性的障碍。该综述呼吁继续研究无毒材料、更好的封装技术和具有成本效益的制造工艺。前瞻性的观点强调跨学科的努力对于将qdsc整合到可再生能源领域至关重要，这可能会推动更可持续的未来。

引用次数: 0

Synergistic effect of limestone and supplementary cementitious materials in ternary blended cements 石灰石与补充胶凝材料在三元水泥中的协同作用

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science

Pub Date : 2025-02-01 DOI: 10.1016/j.cocis.2024.101885

Luca Campagiorni, Monica Tonelli, Francesca Ridi

This review offers an introductory examination of the challenges involved in formulating limestone-based ternary blended cements intended for both specialists and nonexperts in cement chemistry. The environmental impact of cement production and the raising awareness on climate changes has led to a progressive shift toward sustainable practices, emphasizing the critical need for eco-friendly construction materials. Here, the motivation for adopting ternary blends is explored, with a particular focus on supplementary cementitious materials (SCMs) otherwise classified as wastes, such as ground granulated blast-furnace slag, silica fume, fly ash, and metakaolin, which contribute to sustainability improvements. To facilitate understanding, a glossary of technical terms is provided alongside an overview of the cement hydration process and the distinct characteristics of various SCMs.

The review focuses on the performance of binary and ternary cement blends, giving particular consideration to the synergistic effects observed when limestone is combined with SCMs in ternary formulations. Key properties of specific ternary blends are highlighted, unraveling their potential to enhance both performance and environmental sustainability. Finally, the review provides a perspective for future developments, reflecting on the broader implications of these materials for promoting sustainable construction practices within the industry.

本综述为水泥化学领域的专家和非专家介绍了配制石灰石基三元水泥所面临的挑战。水泥生产对环境的影响以及对气候变化意识的提高导致了向可持续实践的逐步转变，强调了对环保建筑材料的迫切需求。本文探讨了采用三元共混物的动机，特别关注补充胶凝材料（SCMs），否则被归类为废物，如磨碎的粒状高炉炉渣、硅灰、粉煤灰和偏高岭土，它们有助于改善可持续性。为了便于理解，本文提供了一个技术术语表，同时概述了水泥水化过程和各种scm的独特特性。本文重点介绍了二元和三元水泥共混物的性能，特别考虑了石灰石与超临界水泥在三元配方中结合时所观察到的协同效应。重点介绍了特定三元共混物的关键特性，揭示了它们在提高性能和环境可持续性方面的潜力。最后，该综述为未来的发展提供了一个视角，反映了这些材料对促进行业内可持续建筑实践的更广泛影响。

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Diffusing wave spectroscopy for the study of emulsions on-ground and in microgravity 地面和微重力条件下乳剂的扩散波光谱研究

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science

Pub Date : 2025-02-01 DOI: 10.1016/j.cocis.2024.101892

Davide Orsi , Valentina Lorusso , Marco Vaccari, Luigi Cristofolini

We review the approaches, both experimental and modelling, and the main results obtained recently in the investigation of emulsions by diffusing wave spectroscopy (DWS). DWS is a correlation spectroscopy based on the analysis of the time structure of the scattered light emerging from a laser-illuminated opaque sample. Such a noninvasive technique is well suited to the investigation of drop size distribution and drop dynamic in emulsions. This dynamic determines the evolution, and finally the fate, of emulsions. The results obtained in a laboratory are complemented by the very recent results obtained in microgravity (the condition of absence of weight obtained in orbit) onboard the International Space Station: mastering emulsions in such exotic conditions not only offers new insight into the basic physical phenomena but may also provide new enabling technologies to ensure comfortable living environments and safe foods to the astronauts engaged in long space flights.

本文综述了利用扩散波光谱（DWS）研究乳剂的实验方法和模型方法，以及近年来取得的主要结果。DWS是一种基于对激光照射不透明样品散射光时间结构分析的相关光谱学。这种无创技术非常适合于乳状液中液滴大小分布和动态的研究。这种动态决定了乳剂的演变，并最终决定了乳剂的命运。在实验室中获得的结果与最近在国际空间站上的微重力（轨道上没有重量的条件）中获得的结果相补充：在这种奇特的条件下掌握乳剂不仅提供了对基本物理现象的新见解，而且还可能提供新的使能技术，以确保从事长期太空飞行的宇航员的舒适生活环境和安全食品。

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