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Current Opinion in Colloid & Interface Science最新文献

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Self-assembled amphiphilic peptide hydrogels for antimicrobial application 用于抗菌的自组装两亲肽水凝胶
IF 7.9 2区 化学
Current Opinion in Colloid & Interface Science Pub Date : 2024-07-04 DOI: 10.1016/j.cocis.2024.101828
Haifeng Sun , Xiao Fu , Chaojuan Yang , Chengqian Yuan , Xuehai Yan
{"title":"Self-assembled amphiphilic peptide hydrogels for antimicrobial application","authors":"Haifeng Sun ,&nbsp;Xiao Fu ,&nbsp;Chaojuan Yang ,&nbsp;Chengqian Yuan ,&nbsp;Xuehai Yan","doi":"10.1016/j.cocis.2024.101828","DOIUrl":"10.1016/j.cocis.2024.101828","url":null,"abstract":"<div><p>Due to the widespread and excessive use of antibiotics, bacterial resistance has become an increasingly serious problem affecting public health. Amphiphilic peptide hydrogels have good biological and mechanical properties, and can be used as ideal substitutes for antibiotics in the fields of infection control and wound healing. This review systematically summarized the design principles, assembly mechanism, and the latest progress of amphiphilic peptide hydrogels. Based on the molecular structure and function of peptides, the antibacterial mechanism of amphiphilic peptide hydrogels is further elaborated. Finally, we provide a perspective for the future development of antibacterial applications of amphiphilic peptide hydrogels. It is hoped that this review can provide inspiration for the design of amphiphilic peptide hydrogels and promote their clinical transformation against bacterial infections.</p></div>","PeriodicalId":293,"journal":{"name":"Current Opinion in Colloid & Interface Science","volume":"73 ","pages":"Article 101828"},"PeriodicalIF":7.9,"publicationDate":"2024-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141692729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Pickering emulsions: Microgels as alternative surfactants 皮克林乳液：作为替代表面活性剂的微凝胶
IF 7.9 2区 化学
Current Opinion in Colloid & Interface Science Pub Date : 2024-06-22 DOI: 10.1016/j.cocis.2024.101827
{"title":"Pickering emulsions: Microgels as alternative surfactants","authors":"","doi":"10.1016/j.cocis.2024.101827","DOIUrl":"10.1016/j.cocis.2024.101827","url":null,"abstract":"<div><p>Microgels stand out as compelling alternatives to traditional emulsifiers in Pickering emulsions, owing to their unique deformability and responsiveness, distinguishing them from rigid particles and conventional surfactants. In this review, we provide an overview of recent advancements and breakthroughs in microgel synthesis and the stabilization of Pickering emulsions using microgels. Additionally, we discuss the underlying stabilization mechanisms of microgel-stabilized emulsions, elucidating the influencing factors such as microgel properties, environmental conditions, and interfacial structures that significantly impact emulsion stability. Given these recent achievements, we summarize and highlight the promising applications associated with diverse Pickering emulsion systems stabilized by tailored microgels, including interfacial catalysis, functional foods, vaccine adjuvants, stimuli-responsive colloidosomes, and droplet manipulation. Conclusively, we identify the existing research gaps in microgel studies and propose future directions, emphasizing the need for the rational design of microgels, comprehensive mechanism studies of microgel-stabilized emulsions, and the formation of next-generation Pickering emulsions.</p></div>","PeriodicalId":293,"journal":{"name":"Current Opinion in Colloid & Interface Science","volume":"73 ","pages":"Article 101827"},"PeriodicalIF":7.9,"publicationDate":"2024-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141575587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Dynamic interfacial effects investigated by microfluidics: Formation and stability of droplets and bubbles 利用微流体技术研究动态界面效应--液滴和气泡的形成与稳定性
IF 7.9 2区 化学
Current Opinion in Colloid & Interface Science Pub Date : 2024-06-22 DOI: 10.1016/j.cocis.2024.101826
Boxin Deng, Karin Schroën
{"title":"Dynamic interfacial effects investigated by microfluidics: Formation and stability of droplets and bubbles","authors":"Boxin Deng,&nbsp;Karin Schroën","doi":"10.1016/j.cocis.2024.101826","DOIUrl":"10.1016/j.cocis.2024.101826","url":null,"abstract":"<div><p>Microfluidic techniques have emerged as powerful tools to unveil dynamic processes occurring during foam and emulsion production, and instabilities during their lifetime (coalescence and digestion), and to gain detailed insights in interfacial effects at (sub)millisecond time scales, including but not limited to, interfacial adsorption (i.e. dynamic interfacial/surface tension) and interfacial rheology. These insights are pivotal in connecting the interfacial effects to dynamic processes as they would occur during emulsion/foam production. We highlight the importance of conducting research at relevant time scales.</p></div>","PeriodicalId":293,"journal":{"name":"Current Opinion in Colloid & Interface Science","volume":"73 ","pages":"Article 101826"},"PeriodicalIF":7.9,"publicationDate":"2024-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S135902942400044X/pdfft?md5=d36d8f665b23e5a9699ddcf97ea89d3b&pid=1-s2.0-S135902942400044X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141575589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Liquid foams: New insights and perspectives from neutron and synchrotron scattering experiments 液体泡沫：中子和同步辐射散射实验的新见解和新视角
IF 7.9 2区 化学
Current Opinion in Colloid & Interface Science Pub Date : 2024-06-20 DOI: 10.1016/j.cocis.2024.101823
Leonardo Chiappisi
{"title":"Liquid foams: New insights and perspectives from neutron and synchrotron scattering experiments","authors":"Leonardo Chiappisi","doi":"10.1016/j.cocis.2024.101823","DOIUrl":"https://doi.org/10.1016/j.cocis.2024.101823","url":null,"abstract":"<div><p>Soft, light, and aesthetically captivating, yet often enigmatic, liquid foams represent highly complex and intriguing systems. Their intrinsic multiscale structure requires the integration of multiple techniques to fully unveil their properties. This review provides a concise introduction to neutron and x-ray scattering experiments on liquid foams, focusing on their structural characterization at the submicrometer scale. In particular, small-angle scattering experiments for foam characterization are experiencing a renaissance in recent years, with emphasis placed on the breadth of information attainable through these methods. Additionally, it highlights recent advancements in the field and identifies several open challenges that could be addressed using neutron and synchrotron radiation.</p></div>","PeriodicalId":293,"journal":{"name":"Current Opinion in Colloid & Interface Science","volume":"72 ","pages":"Article 101823"},"PeriodicalIF":7.9,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1359029424000414/pdfft?md5=cfb27eed788323f3dfac61df56c24104&pid=1-s2.0-S1359029424000414-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141543067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Foams based on biosurfactant mixtures. Part II. Influence of mixture composition on foam stability 基于生物表面活性剂混合物的泡沫。第二部分：混合物成分对泡沫稳定性的影响混合物成分对泡沫稳定性的影响
IF 7.9 2区 化学
Current Opinion in Colloid & Interface Science Pub Date : 2024-06-20 DOI: 10.1016/j.cocis.2024.101825
Marcel Krzan , Sonia Kudłacik-Kramarczyk , Anna Drabczyk , Weronika Kieres
{"title":"Foams based on biosurfactant mixtures. Part II. Influence of mixture composition on foam stability","authors":"Marcel Krzan ,&nbsp;Sonia Kudłacik-Kramarczyk ,&nbsp;Anna Drabczyk ,&nbsp;Weronika Kieres","doi":"10.1016/j.cocis.2024.101825","DOIUrl":"10.1016/j.cocis.2024.101825","url":null,"abstract":"<div><p>This paper reviews the literature on various biosurfactant mixtures used to obtain foams. The interactions between different biosurfactants, biosurfactants, and synthetic surfactants, biosurfactants' interactions with various additives (as non-surface-active macromolecules or particles), and the impact of pH and ionic strength variations on adsorption processes, foamability, foam stability, and rheology are discussed. Biosurfactants are natural and synthetic compounds that can facilitate the process of foam formation and stabilisation; they are an alternative to classical surfactants. Research on such materials will allow the development of innovative foaming technologies that minimise the negative environmental effects of foaming compounds without losing the properties of the final product.</p></div>","PeriodicalId":293,"journal":{"name":"Current Opinion in Colloid & Interface Science","volume":"73 ","pages":"Article 101825"},"PeriodicalIF":7.9,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141575588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Bubble size and foamability: Role of surfactants and hydrodynamic conditions 气泡大小和发泡性：表面活性剂和流体动力学条件的作用
IF 7.9 2区 化学
Current Opinion in Colloid & Interface Science Pub Date : 2024-06-17 DOI: 10.1016/j.cocis.2024.101824
Slavka Tcholakova, Borislava Petkova
{"title":"Bubble size and foamability: Role of surfactants and hydrodynamic conditions","authors":"Slavka Tcholakova,&nbsp;Borislava Petkova","doi":"10.1016/j.cocis.2024.101824","DOIUrl":"https://doi.org/10.1016/j.cocis.2024.101824","url":null,"abstract":"<div><p>The primary objective of this review is to consolidate our current understanding of the factors controlling the foamability of surfactant solutions under hydrodynamic conditions realized in various laboratory tests. In particular, two regimes of foam generation are considered: at low surfactant concentrations where the coalescence between the bubbles plays a crucial role, and a high surfactant concentration range where the hydrodynamic conditions are much more important for the final outcome of foaming. The review discusses the role of surfactant concentration, dynamic surface coverage, and surface forces acting between film surfaces for the foam generated in the surfactant-poor regime. Additionally, the interplay between the hydrodynamic conditions and the viscosity of the formed foams in the surfactant-rich regime is also discussed.</p></div>","PeriodicalId":293,"journal":{"name":"Current Opinion in Colloid & Interface Science","volume":"72 ","pages":"Article 101824"},"PeriodicalIF":7.9,"publicationDate":"2024-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141543066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Biobased ordered porous materials in the nano-to microscales 纳米到微米级的生物有序多孔材料
IF 7.9 2区 化学
Current Opinion in Colloid & Interface Science Pub Date : 2024-06-14 DOI: 10.1016/j.cocis.2024.101822
Yeedo Chun , Yeling Zhu , Cosima Stubenrauch , Yi Lu , Orlando J. Rojas
{"title":"Biobased ordered porous materials in the nano-to microscales","authors":"Yeedo Chun ,&nbsp;Yeling Zhu ,&nbsp;Cosima Stubenrauch ,&nbsp;Yi Lu ,&nbsp;Orlando J. Rojas","doi":"10.1016/j.cocis.2024.101822","DOIUrl":"10.1016/j.cocis.2024.101822","url":null,"abstract":"<div><p>Ordered porous materials (OPMs) are defined according to pore size, where ordered macropores (&gt;50 nm) govern transport of fluids and mesopores (&gt;2 nm, &lt;50 nm) and micropores (&lt;2 nm, IUPAC definitions) control molecular or ionic interactions. The growing importance of sustainable materials has incentivized the development of biobased OPMs (bioOPMs) with pore sizes ranging from 0.3 nm–9 nm and 1 μm–500 μm. Synthesizing bioOPMs typically involves aqueous solutions and suspensions which require a thorough understanding of biobased precursor-water interactions. Emerging approaches in templating based on liquid foams, breath-figure, and micelles are pivotal for achieving ordered assemblies, with solidity and consolidation occurring through water removal. This review describes recent advances in the design and utilization of bioOPMs, particularly those produced by water-based templating. It also highlights notable exceptions to water-based synthesis and identifies gaps in the science and technology of bioOPMs, offering perspectives on future developments in the field.</p></div>","PeriodicalId":293,"journal":{"name":"Current Opinion in Colloid & Interface Science","volume":"73 ","pages":"Article 101822"},"PeriodicalIF":7.9,"publicationDate":"2024-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1359029424000402/pdfft?md5=e926c217fd19d043179bec79a892f2a6&pid=1-s2.0-S1359029424000402-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141401792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Foams based on biosurfactants solutions. Part I. Influence of biosurfactant origin on foaming properties 基于生物表面活性剂溶液的泡沫。第一部分：生物表面活性剂来源对发泡特性的影响
IF 7.9 2区 化学
Current Opinion in Colloid & Interface Science Pub Date : 2024-06-12 DOI: 10.1016/j.cocis.2024.101821
Marcel Krzan , Anna Drabczyk , Sonia Kudłacik-Kramarczyk , Mateusz Jamroży
{"title":"Foams based on biosurfactants solutions. Part I. Influence of biosurfactant origin on foaming properties","authors":"Marcel Krzan ,&nbsp;Anna Drabczyk ,&nbsp;Sonia Kudłacik-Kramarczyk ,&nbsp;Mateusz Jamroży","doi":"10.1016/j.cocis.2024.101821","DOIUrl":"10.1016/j.cocis.2024.101821","url":null,"abstract":"<div><p>This paper reviews the literature on various natural and synthetic biosurfactants, which can facilitate the process of foam formation and stabilisation. Biosurfactants are an alternative to classical surfactants. For example, proteins, through their stabilising properties, can be used both in the food industry and in cosmetics, and this confirms their versatile properties and application in many areas of industry. Sugar-based foaming agents, on the other hand, are characterised by their ability to maintain high foam stability, and their natural origin and biodegradability are attractive substitutes for classical compounds of this type. This review aims to compare the effects of various compounds on the properties and stability of foams. Research on such materials will allow the development of innovative foaming technologies that minimise the negative environmental impacts of foaming compounds without losing the properties of the final product.</p></div>","PeriodicalId":293,"journal":{"name":"Current Opinion in Colloid & Interface Science","volume":"72 ","pages":"Article 101821"},"PeriodicalIF":7.9,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141398346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Equilibrium surface complexation modeling with metastable natural colloids: The key to predict the oxidation state distribution of trace elements? 利用可陨落的天然胶体建立平衡表面络合模型：预测微量元素氧化态分布的关键？
IF 7.9 2区 化学
Current Opinion in Colloid & Interface Science Pub Date : 2024-06-08 DOI: 10.1016/j.cocis.2024.101820
Rémi Marsac , Charlotte Catrouillet , Mathieu Pédrot , Marc F. Benedetti , Aline Dia , Eric D. van Hullebusch , Mélanie Davranche , Yann Sivry , Anne-Catherine Pierson-Wickmann , Mickael Tharaud , Frank Heberling
{"title":"Equilibrium surface complexation modeling with metastable natural colloids: The key to predict the oxidation state distribution of trace elements?","authors":"Rémi Marsac ,&nbsp;Charlotte Catrouillet ,&nbsp;Mathieu Pédrot ,&nbsp;Marc F. Benedetti ,&nbsp;Aline Dia ,&nbsp;Eric D. van Hullebusch ,&nbsp;Mélanie Davranche ,&nbsp;Yann Sivry ,&nbsp;Anne-Catherine Pierson-Wickmann ,&nbsp;Mickael Tharaud ,&nbsp;Frank Heberling","doi":"10.1016/j.cocis.2024.101820","DOIUrl":"10.1016/j.cocis.2024.101820","url":null,"abstract":"<div><p>Predicting the behavior and fate of redox-sensitive trace elements (TEs; e.g. As, U, Cu, Cr) in natural systems is challenging. Colloids have been reported to control TEs speciation and catalyze TEs redox reactions in many aquatic environments. We hypothesize that the lack of accurate thermodynamic models that account for the role of colloids in TEs speciation explains our inability to predict their redox state distribution in the environment. The slow evolution of the colloidal compartment in response to the prevailing bio/hydro/pedo/climatological conditions need to be decoupled from the fast TEs redox reactions promoted by colloidal surfaces. Further progress is hampered by experimental and theoretical challenges associated with capturing the extreme physical and chemical heterogeneity of colloids, their metastable structures, and their dynamic transformation behavior.</p></div>","PeriodicalId":293,"journal":{"name":"Current Opinion in Colloid & Interface Science","volume":"72 ","pages":"Article 101820"},"PeriodicalIF":7.9,"publicationDate":"2024-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1359029424000384/pdfft?md5=0b42978cadbabfbd36d9226625ceef70&pid=1-s2.0-S1359029424000384-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141407462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Engineering of hierarchical mesoporous silica nanoparticles via control over surfactant nanoarchitectonics for biological applications 通过控制表面活性剂纳米结构设计分层介孔二氧化硅纳米颗粒，用于生物应用
IF 7.9 2区 化学
Current Opinion in Colloid & Interface Science Pub Date : 2024-06-06 DOI: 10.1016/j.cocis.2024.101819
Yang Yang, Jingcheng Hao, Jiwei Cui
{"title":"Engineering of hierarchical mesoporous silica nanoparticles via control over surfactant nanoarchitectonics for biological applications","authors":"Yang Yang,&nbsp;Jingcheng Hao,&nbsp;Jiwei Cui","doi":"10.1016/j.cocis.2024.101819","DOIUrl":"10.1016/j.cocis.2024.101819","url":null,"abstract":"<div><p>Compared to conventional mesoporous silica nanoparticles (MSNs) with ordered porous structures, hierarchical MSNs (HMSNs) have attracted increasing research interests in biological fields, owing to their highly porous structures with multiple distinct interfaces, which create more possibilities to explore complex biological realms. However, due to the structural complexity, the controllable assembly of HMSNs with desired nanostructures and well-defined particle properties is challenging. Herein, we review the advances of engineering HMSNs via control over surfactant nanoarchitectonics and discuss the synthesis-guiding principles and formation mechanisms. Based on the structural features of HMSNs, the corresponding bio-applications (e.g., macromolecule encapsulation, drug release, biointerface adhesion, immune cell activation and stimuli-responsive target motion) are summarized, highlighting the importance of structure–activity relationship. Challenges and future perspectives are also proposed for characterizations and extended applications of HMSNs.</p></div>","PeriodicalId":293,"journal":{"name":"Current Opinion in Colloid & Interface Science","volume":"72 ","pages":"Article 101819"},"PeriodicalIF":7.9,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141413800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
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