Current Opinion in Colloid & Interface Science最新文献

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Liposomes: Bridging the gap from lab to pharmaceuticals 脂质体：弥合从实验室到药物的差距

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.2024.101875

Remo Eugster, Paola Luciani

Liposomes are versatile and effective drug delivery systems, as highlighted by various medical applications. Their well-defined bilayer structure is suited for the encapsulation of drugs with diverse chemical properties and for a variety of release strategies. Understanding liposome self-assembly and structure is crucial for enhancing drug development and delivery efficiency. Herein, we review the self-assembly process of liposomes and transfer this knowledge to means of production. The challenges and opportunities of scaling liposomal production are discussed. Key techniques, to characterize the particles, their interface and composition, essential for market approval, are outlined. Views on novel computational methods to deepen the lipid behavior at interfaces and accelerate liposome development are given, including opinions on using artificial intelligence to support liposome production.

脂质体是一种多功能的、有效的药物输送系统，在各种医学应用中得到了突出的应用。其良好定义的双层结构适用于不同化学性质的药物的包封和各种释放策略。了解脂质体的自组装和结构对提高药物开发和给药效率至关重要。在这里，我们回顾了脂质体的自组装过程，并将这些知识转移到生产手段上。讨论了规模化生产脂质体的挑战和机遇。概述了表征颗粒，其界面和组成的关键技术，这对市场批准至关重要。提出了新的计算方法来深化界面脂质行为和加速脂质体的发展，包括利用人工智能支持脂质体生产的观点。

引用次数: 0

Driving the future of cosmetics, fragrances, and foods with COSMO-RS. Part 1—Bibliometric analysis and introductory framework 用cosmos - rs推动化妆品、香水和食品的未来。第一部分：文献计量学分析和导论框架

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.2024.101874

Théophile Gaudin , Jean-Marie Aubry

This two-part review offers an in-depth survey of the utilization of the theoretical method COnductor-like Screening MOdel for Realistic Solvation (COSMO-RS) in the formulation of cosmetics, fragrances, and foods. In this first part, a bibliometric analysis and mapping of scientific literature and patents are performed. They reveal that COSMO-RS primarily serves as a screening tool for generating quantitative predictions regarding the solubilization, volatility, and extraction of formulation ingredients from biomass. This analysis also identifies the most relevant COSMO-RS applications and tools available for formulation. They are presented in a concise and accessible manner for formulators and specialty chemists involved in ingredient design. Finally, a focus is made on the applications of COSMO-RS in designing and modeling innovative and sustainable solvents, such as ionic liquids and (natural) deep eutectic solvents. The second part of the article will address the practical implementation of COSMO-RS in solving key formulation challenges.

本文分为两部分，综述了现实溶剂化类导体筛选模型（cosmos - rs）理论方法在化妆品、香水和食品配方中的应用。在第一部分中，对科学文献和专利进行了文献计量分析和制图。他们发现cosmos - rs主要是作为一种筛选工具，用于产生关于生物质配方成分的增溶、挥发性和提取的定量预测。该分析还确定了最相关的cosmos - rs应用和可用于制定的工具。它们以简明易懂的方式呈现给配方师和参与成分设计的专业化学家。最后，重点介绍了COSMO-RS在离子液体和（天然）深共晶溶剂等创新和可持续溶剂的设计和建模中的应用。文章的第二部分将讨论COSMO-RS在解决关键配方挑战方面的实际实施。

引用次数: 0

Colloidal phenomena reflect the interplay between interfacial solution structure, interparticle forces, and dynamical response 胶体现象反映了界面溶液结构、粒子间作用力和动力学响应之间的相互作用

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.2024.101887

Jaeyoung Heo , Pravalika Butreddy , Gregory K. Schenter , Christopher J. Mundy , James J. De Yoreo , Elias Nakouzi , Jaewon Lee , Jaehun Chun

The physical and chemical properties of colloidal systems are central to both natural and synthetic processes that enable a wide range of energy and environmental applications. These properties are an emergent outcome of the structure that colloidal systems adopt in response to the interplay of electrical, van der Waals, hydration, and steric forces coupled to the inherent fluctuations of the system. Here we review the nature of those forces and show how variations in their relative importance lead to distinct free energy landscapes and consequent dynamic behaviors, illustrated for colloidal dispersions, nanocrystal superlattices, and single crystals formed through oriented attachment. We end by discussing the challenges to future progress arising from the need to seamlessly couple from molecular to particle to ensemble scales.

胶体系统的物理和化学性质是自然和合成过程的核心，可以实现广泛的能源和环境应用。这些性质是胶体系统在电学、范德华、水合作用和系统固有波动耦合的空间力的相互作用下所采用的结构的紧急结果。在这里，我们回顾了这些力的性质，并展示了它们的相对重要性的变化如何导致不同的自由能景观和随之而来的动态行为，例如胶体分散，纳米晶超晶格和通过定向附着形成的单晶。最后，我们讨论了由于需要从分子到粒子到集合尺度无缝耦合而产生的未来进展的挑战。

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Progress in rheology of active colloidal systems 活性胶体体系流变学研究进展

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.2024.101886

Jacob John, Amirreza Panahi, Di Pu, Giovanniantonio Natale

We review recent theoretical and experimental developments in measuring the rheological response of active colloidal systems. Particular attention is dedicated to active and passive microrheological characterization. These techniques are essential to measure active fluctuations and micromechanical heterogeneities present in living and artificial active matter. We also discuss the coupling between viscoelasticity and collective motion in crowded active colloidal suspensions. We conclude this work with a discussion on open challenges.

我们回顾了最近在测量活性胶体系统流变反应方面的理论和实验进展。特别关注的是主动和被动微流变特性。这些技术对于测量生物和人工活性物质中存在的主动波动和微力学异质性至关重要。我们还讨论了粘弹性和集体运动之间的耦合在拥挤的活性胶体悬浮液。我们以公开挑战的讨论来结束这项工作。

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Driving the future of cosmetics, fragrances and foods with COSMO-RS.Part 2–From theory to practice 用cosmos - rs引领化妆品、香水和食品的未来。第二部分：从理论到实践

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.2024.101876

Théophile Gaudin , Jean-Marie Aubry

The second part of this two-part review provides a comprehensive overview of the practical applications of COSMO-RS methodology in the formulation of cosmetics, fragrances, and foods. The current literature predominantly focuses on the recovery and characterization of ingredients, with fewer studies addressing end-use formulations. Four major types of applications have been identified and are discussed (i) the extraction of active ingredients and additives from biomass, by far the most documented, (ii) their solubilization in skin-compatible or ingestible solvents, (iii) the selection of fragrant molecules to establish a predefined olfactory profile, and finally, (iv) the physico-chemical characterization of ingredients to maximize their sensory performance and safety. For further familiarization with COSMO-RS, the typical calculation procedures are demonstrated step-by-step for key target properties.

这两部分综述的第二部分提供了COSMO-RS方法在化妆品，香水和食品配方中的实际应用的全面概述。目前的文献主要集中在成分的回收和表征，较少的研究解决最终用途的配方。已经确定并讨论了四种主要的应用类型：(i)从生物质中提取活性成分和添加剂，这是迄今为止记录最多的，（ii）它们在皮肤相容或可摄取溶剂中的溶解，（iii）选择芳香分子以建立预定义的嗅觉特征，最后，（iv）成分的物理化学表征以最大化其感官性能和安全性。为了进一步熟悉cosmos - rs，本文逐步演示了关键目标属性的典型计算过程。

引用次数: 0

Biosurfactants and bioamphiphiles, survey, perspectives and applicative potential from a colloid science point of view 从胶体科学的角度看生物表面活性剂和生物亲两性试剂的综述、前景和应用潜力

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.2024.101891

Niki Baccile , Jochen Kleinen

Biological surfactants are amphiphilic molecules obtained from biobased resources, like plants, sugars and oils, using a variety of physical, chemical, biochemical or biotechnological methods. More specifically, the word biosurfactant, or microbial biosurfactants, is classically used for those molecules, like sophorolipids, rhamnolipids or surfactin, produced by fermentation. Historically developed by microbiologists and originally used as natural emulsifiers, recent trends in fundamental and applied research depict a set of molecules with a rich, and somewhat unexpected, physicochemical behavior making it difficult to introduce them as such in existing formulations. A broad research activity is then developing worldwide both in academia and industry with the goal of better understanding this class of amphiphiles with the ultimate perspective of introducing them to the market in fields as varied as detergency, cosmetics, pest control and medicine.

生物表面活性剂是从植物、糖和油等生物资源中通过各种物理、化学、生化或生物技术方法获得的两亲性分子。更具体地说，生物表面活性剂或微生物生物表面活性剂通常用于那些通过发酵产生的分子，如槐脂、鼠李糖脂或表面素。历史上是由微生物学家开发的，最初用作天然乳化剂，最近的基础和应用研究趋势描述了一组具有丰富的，有些意想不到的物理化学行为的分子，这使得很难在现有配方中引入它们。一项广泛的研究活动正在全世界学术界和工业界开展，目的是更好地了解这类两亲植物，并最终将它们引入市场，用于洗涤剂、化妆品、害虫防治和医药等领域。

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The underestimated and important role of thiol moieties in predicting the fate of toxic metals in the environment 巯基部分在预测环境中有毒金属的命运方面被低估的重要作用

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.2024.101888

Charlotte Catrouillet , Marc F. Benedetti , Alexandre Gelabert , Eric van Hullebusch , Rémi Marsac

Studying the interactions between metals and thiol moieties in natural systems is challenging, although they are of major importance for some (ultra)trace elements (e.g. Hg, Cu, Pt). A major current bottleneck is the development of accurate preservation and detection methods. Based on our current knowledge, thiol moieties are abundant in reduced organic waters, where thiolation of natural organic matter (NOM) occurs, as well as in metal-enriched environments, where organisms secrete thiol moieties. Depending on their affinity and their redox potential, metals complexed to thiolated NOM can be reduced and even transformed into sulfur nanoparticles over time. Such mechanisms are not properly considered in currently used biogeochemical models, explaining why the fate of metals in the environment is not well predicted.

研究自然系统中金属与硫醇部分之间的相互作用是具有挑战性的，尽管它们对某些（超）微量元素（如汞，铜，铂）具有重要意义。目前的一个主要瓶颈是开发准确的保存和检测方法。根据我们目前的知识，硫醇部分在还原有机水中是丰富的，其中天然有机物（NOM）发生硫代化，以及在富含金属的环境中，生物分泌硫醇部分。随着时间的推移，取决于它们的亲和力和氧化还原电位，金属与硫化的NOM络合可以被还原，甚至转化为硫纳米颗粒。这种机制在目前使用的生物地球化学模型中没有得到适当的考虑，这解释了为什么金属在环境中的命运不能很好地预测。

引用次数: 0

Recent progress in I-III-VI colloidal quantum dots-integrated solar cells I-III-VI胶体量子点集成太阳能电池研究进展

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.2024.101890

Zhonglin Du , Dongling Ma

Colloidal quantum dots (CQDs) have emerged as an important class of nanocrystal materials for solar cell applications due to their outstanding properties, including tunable band gap, high charge carrier mobility, remarkable light absorption range, solution-processability, scalability, etc. The Lead (Pb)/Cadmium (Cd)-free I-III-VI QDs, designed by the reasonable chemical substitution of Pb and Cd with non-toxic elements, are booming as an attractive alternative for practical applications. This review summarizes the recent progress in designing typical I-III-VI QDs and their application in various emerging solar cell applications. The performance improvement of various solar cells due to the integration of QDs having different roles and modified device structures is summarized. In addition, the fundamentals of the I-III-VI QDs, including their crystalline structure, optical properties, and synthesis mechanisms, are described. Finally, we provide perspectives on the current status, challenges, and future directions of I-III-VI QDs-integrated solar cells.

胶体量子点（CQDs）由于其优异的性能，包括可调带隙、高载流子迁移率、显著的光吸收范围、溶液可加工性、可扩展性等，已成为太阳能电池应用中重要的一类纳米晶体材料。利用无毒元素对铅和镉进行合理的化学替代，设计出无铅(Pb)/镉（Cd）的I-III-VI量子点，是一种极具应用前景的替代材料。本文综述了近年来典型的I-III-VI量子点的设计及其在各种新兴太阳能电池中的应用。综述了不同作用量子点的集成和器件结构的改进对各种太阳能电池性能的改善。此外，还描述了I-III-VI量子点的基本原理，包括它们的晶体结构、光学性质和合成机制。最后，对I-III-VI量子点集成太阳能电池的现状、挑战和未来发展方向进行了展望。

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Direct ink writing of particle-based multiphase materials: From rheology to functionality 颗粒基多相材料的直墨书写：从流变性到功能性

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.2024.101889

Stijn De Smedt , Benedetta Attaianese , Ruth Cardinaels

Direct ink writing (DIW) allows producing complicated geometries by extruding material from a nozzle. The ink has to meet certain material requirements during and after printing for the object to be successfully produced. Meanwhile, the functionality requirements of the end-use application should be met. This paper attempts to provide the rheological basis and critical view to understand the material requirements for DIW inks and to help in making the bridge between the rheology and printability of particle-based multiphase DIW inks while meeting the functional demands of the end product. Colloidal suspensions and Pickering emulsions are often used as material classes for DIW. Some of the most important and noteworthy applications are described for both material classes. Thereafter, a more novel, particle-based multiphase system for DIW, namely capillary suspensions, is briefly discussed.

直接墨水书写（DIW）允许通过从喷嘴挤出材料来生产复杂的几何形状。油墨必须在印刷过程中和印刷后满足一定的材料要求，才能成功地生产出来。同时，应满足最终用途应用程序的功能需求。本文试图为了解DIW油墨的材料要求提供流变学基础和批判性观点，并有助于在满足最终产品功能需求的同时，在颗粒基多相DIW油墨的流变学和印刷性之间搭建桥梁。胶体悬浮液和皮克林乳剂通常用作DIW的材料类别。介绍了这两种材料的一些最重要和最值得注意的应用。然后，简要讨论了一种更新颖的基于颗粒的DIW多相系统，即毛细管悬浮液。

引用次数: 0

Modeling drop deformations and rheology of dilute to dense emulsions 模拟稀至浓乳剂的液滴变形和流变性

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science

Pub Date : 2025-01-31 DOI: 10.1016/j.cocis.2025.101904

Rodrigo B. Reboucas, Nadia N. Nikolova, Vivek Sharma

We highlight the current state-of-the-art in modeling emulsion rheology, ranging from dilute to jammed dense systems. We focus on analytical and numerical methods developed for calculating, computing, and tracking drop deformation in response to viscometric flows and deriving constitutive models for flowing emulsions. We identify material properties and dimensionless parameters, collate and catalog the small deformation theories and resulting expressions for viscometric quantities, and take stock of challenges for capturing connections between drop deformation, morphology, and rheology of emulsions. We highlight the substantial progress in providing quantitative descriptions of the rheological response using analytical theories, scaling, and computational fluid dynamics. We illustrate how macroscopic rheological properties emerge from microscopic features including the deformation and dynamics of noninteracting or interacting drops, and molecular aspects that control the interfacial properties.

我们强调了目前最先进的乳液流变学模型，范围从稀释到堵塞密集系统。我们专注于分析和数值方法的发展，计算，计算和跟踪液滴变形响应粘度流动和推导本构模型的流动乳剂。我们确定了材料特性和无量纲参数，整理和编目了小变形理论和由此产生的粘度量表达式，并对捕获液滴变形、形态和乳液流变之间的联系所面临的挑战进行了评估。我们强调了在利用分析理论、标度和计算流体动力学提供流变响应定量描述方面取得的实质性进展。我们说明宏观流变特性是如何从微观特征中产生的，包括非相互作用或相互作用滴的变形和动力学，以及控制界面特性的分子方面。

引用次数: 0

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