Advances in Colloid and Interface Science最新文献

英文中文

Dynamic nanostructures at the surface of rising bubbles in amphiphile solutions: Comparison of low-molecular-weight surfactants and proteins

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science

Pub Date : 2025-02-27 DOI: 10.1016/j.cis.2025.103447

Ł. Witkowski , A. Wiertel-Pochopien , D. Kosior , G. Gochev , P. Warszynski , G.G. Fuller , J. Zawala

The formation, stability, and decay of foams occur under dynamic conditions. Given their inherent complexity, an accurate description of these subprocesses necessitates an analysis of multiple factors, with a particular focus on the formation and structure of the adsorption layer. Single rising bubble techniques facilitate a deeper comprehension of the dynamics of diverse phenomena in foams, as they yield experimental data under dynamic conditions. This review examines the subtle differences in the dynamic adsorption structures of low-molecular-weight surfactants and proteins at the liquid/gas interface. These differences can significantly impact interfacial properties and potentially alter our understanding of the mechanisms behind the formation of the Dynamic Adsorption Layer (DAL). The primary techniques under consideration are local velocity profiles (LVPs) of single rising bubbles and dynamic fluid-film interferometry (DFI) of the thin liquid film formed at the collision of a bubble with a free liquid surface. We provide a summary of recent findings on the topic. Due to the limited availability of comprehensive datasets on proteins, our discussion is partially supplemented by newly obtained unpublished data. We highlight key differences in the behavior of bubbles in low-molecular-weight surfactant solutions versus protein solutions that have previously been overlooked in the literature. We explore their potential origins in the context of DAL dynamics and architecture.

{"title":"Dynamic nanostructures at the surface of rising bubbles in amphiphile solutions: Comparison of low-molecular-weight surfactants and proteins","authors":"Ł. Witkowski , A. Wiertel-Pochopien , D. Kosior , G. Gochev , P. Warszynski , G.G. Fuller , J. Zawala","doi":"10.1016/j.cis.2025.103447","DOIUrl":"10.1016/j.cis.2025.103447","url":null,"abstract":"<div><div>The formation, stability, and decay of foams occur under dynamic conditions. Given their inherent complexity, an accurate description of these subprocesses necessitates an analysis of multiple factors, with a particular focus on the formation and structure of the adsorption layer. Single rising bubble techniques facilitate a deeper comprehension of the dynamics of diverse phenomena in foams, as they yield experimental data under dynamic conditions. This review examines the subtle differences in the dynamic adsorption structures of low-molecular-weight surfactants and proteins at the liquid/gas interface. These differences can significantly impact interfacial properties and potentially alter our understanding of the mechanisms behind the formation of the Dynamic Adsorption Layer (DAL). The primary techniques under consideration are local velocity profiles (LVPs) of single rising bubbles and dynamic fluid-film interferometry (DFI) of the thin liquid film formed at the collision of a bubble with a free liquid surface. We provide a summary of recent findings on the topic. Due to the limited availability of comprehensive datasets on proteins, our discussion is partially supplemented by newly obtained unpublished data. We highlight key differences in the behavior of bubbles in low-molecular-weight surfactant solutions versus protein solutions that have previously been overlooked in the literature. We explore their potential origins in the context of DAL dynamics and architecture.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"340 ","pages":"Article 103447"},"PeriodicalIF":15.9,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143593240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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 colloidal systems for cell manipulation, delivery, and tracking

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science

Pub Date : 2025-02-27 DOI: 10.1016/j.cis.2025.103462

Olga A. Sindeeva , Zhanna V. Kozyreva , Arkady S. Abdurashitov , Gleb B. Sukhorukov

Men-made colloidal systems are widely presented across various aspects of biomedical science. There is a strong demand for engineering colloids to tailor their functions and properties to meet the requirements of biological and medical tasks. These requirements are not only related to size, shape, capacity to carry bioactive compounds as drug delivery systems, and the ability to navigate via chemical and physical targeting. Today, the more challenging aspects of colloid design are how the colloidal particles interact with biological cells, undergo internalization by cells, how they reside in the cell interior, and whether we can explore cells with colloids, intervene with biochemical processes, and alter cell functionality. Cell tracking, exploitation of cells as natural transporters of internalized colloidal carriers loaded with drugs, and exploring physical methods as external triggers of cell functions are ongoing topics in the research agenda. In this review, we summarize recent advances in these areas, focusing on how colloidal particles interact and are taken up by mesenchymal stem cells, dendritic cells, neurons, macrophages, neutrophils and lymphocytes, red blood cells, and platelets. The engineering of colloidal vesicles with cell membrane fragments and exosomes facilitates their application. The perspectives of different approaches in colloid design, their limitations, and obstacles on the biological side are discussed.

{"title":"Engineering colloidal systems for cell manipulation, delivery, and tracking","authors":"Olga A. Sindeeva , Zhanna V. Kozyreva , Arkady S. Abdurashitov , Gleb B. Sukhorukov","doi":"10.1016/j.cis.2025.103462","DOIUrl":"10.1016/j.cis.2025.103462","url":null,"abstract":"<div><div>Men-made colloidal systems are widely presented across various aspects of biomedical science. There is a strong demand for engineering colloids to tailor their functions and properties to meet the requirements of biological and medical tasks. These requirements are not only related to size, shape, capacity to carry bioactive compounds as drug delivery systems, and the ability to navigate via chemical and physical targeting. Today, the more challenging aspects of colloid design are how the colloidal particles interact with biological cells, undergo internalization by cells, how they reside in the cell interior, and whether we can explore cells with colloids, intervene with biochemical processes, and alter cell functionality. Cell tracking, exploitation of cells as natural transporters of internalized colloidal carriers loaded with drugs, and exploring physical methods as external triggers of cell functions are ongoing topics in the research agenda. In this review, we summarize recent advances in these areas, focusing on how colloidal particles interact and are taken up by mesenchymal stem cells, dendritic cells, neurons, macrophages, neutrophils and lymphocytes, red blood cells, and platelets. The engineering of colloidal vesicles with cell membrane fragments and exosomes facilitates their application. The perspectives of different approaches in colloid design, their limitations, and obstacles on the biological side are discussed.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"340 ","pages":"Article 103462"},"PeriodicalIF":15.9,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143548902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Lipid-based nanocarriers loaded with bioactive compounds in active food packaging: Fabrication, characterization, and applications

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science

Pub Date : 2025-02-23 DOI: 10.1016/j.cis.2025.103457

S. Seyyedi-Mansour , M. Carpena , P. Barciela , A. Perez-Vazquez , E. Assadpour , M.A. Prieto , S.M. Jafari

New trends in the food industry emphasize safer, more stable, eco-friendly, and value-added packaging solutions. Active packaging has emerged to release or absorb bioactive components, which are often sensitive to physical, chemical and/or enzymatic factors as well as being unstable. Lipid-based nanocarriers (nanoemulsions, nanoliposomes, solid lipid nanoparticles and nanostructured lipid carriers) have demonstrated their industrial potential and efficiency in the uptake, protection, bioavailability and controlled/targeted release of a wide variety of water-soluble, fat-soluble or amphiphilic bioactive substances. Additionally, their reduced size and consequently, high surface-to-volume ratio, give them unique physicochemical attributes, novel characteristics in the final product and biocompatibility as well as adhesion strength with the food packaging, without altering the sensory attributes of the food. Despite these benefits, challenges related to stability, regulatory concerns, and large-scale production must be addressed. This review examines the fabrication, characterization, and application of lipid-based nanocarriers in active food packaging, emphasizing their benefits, challenges, and future potential while further exploring their successful integration into the food packaging industry.

{"title":"Lipid-based nanocarriers loaded with bioactive compounds in active food packaging: Fabrication, characterization, and applications","authors":"S. Seyyedi-Mansour , M. Carpena , P. Barciela , A. Perez-Vazquez , E. Assadpour , M.A. Prieto , S.M. Jafari","doi":"10.1016/j.cis.2025.103457","DOIUrl":"10.1016/j.cis.2025.103457","url":null,"abstract":"<div><div>New trends in the food industry emphasize safer, more stable, eco-friendly, and value-added packaging solutions. Active packaging has emerged to release or absorb bioactive components, which are often sensitive to physical, chemical and/or enzymatic factors as well as being unstable. Lipid-based nanocarriers (nanoemulsions, nanoliposomes, solid lipid nanoparticles and nanostructured lipid carriers) have demonstrated their industrial potential and efficiency in the uptake, protection, bioavailability and controlled/targeted release of a wide variety of water-soluble, fat-soluble or amphiphilic bioactive substances. Additionally, their reduced size and consequently, high surface-to-volume ratio, give them unique physicochemical attributes, novel characteristics in the final product and biocompatibility as well as adhesion strength with the food packaging, without altering the sensory attributes of the food. Despite these benefits, challenges related to stability, regulatory concerns, and large-scale production must be addressed. This review examines the fabrication, characterization, and application of lipid-based nanocarriers in active food packaging, emphasizing their benefits, challenges, and future potential while further exploring their successful integration into the food packaging industry.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"340 ","pages":"Article 103457"},"PeriodicalIF":15.9,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143487079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Collagen-based hydrogel sol-gel phase transition mechanism and their applications

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science

Pub Date : 2025-02-22 DOI: 10.1016/j.cis.2025.103456

Xia Yang , Khurshid Ahmad , Tingting Yang , Yan Fan , Fei Zhao , Shanshan Jiang , Peng Chen , Hu Hou

Collagen-based hydrogels represent a crucial class of biomaterials for their desirable physicochemical and biochemical properties. The variation in ingredients, gelation conditions, and crosslinking techniques may impact the physicochemical and biological properties of collagen-based hydrogels. However, the specific effects of these parameters on the gelation mechanisms of novel hydrogels and the relationships between fabrication parameters and the resultant characteristics of these hydrogels remain elusive. This review discussed the sol-gel phase transition mechanisms of collagen-based hydrogels, emphasizing the impact of gelation conditions, crosslinking agents, and additional polymers. This article highlights the potential of natural ingredients and safe modification technologies as effective strategies to mitigate the harmful effects of synthetic toxic components in products. Furthermore, this review summarizes constitutive models of collagen hydrogels, which serve as valuable tools for designing and customizing hydrogels to meet specific application requirements by simulating their mechanical and rheological properties. Additionally, the article concludes by briefly introducing applications of novel collagen-based hydrogels with desirable functions and properties. This review further deals with the theoretical support for the rational design and customization of innovative hydrogels and inspires future collagen-based biomaterial development.

{"title":"Collagen-based hydrogel sol-gel phase transition mechanism and their applications","authors":"Xia Yang , Khurshid Ahmad , Tingting Yang , Yan Fan , Fei Zhao , Shanshan Jiang , Peng Chen , Hu Hou","doi":"10.1016/j.cis.2025.103456","DOIUrl":"10.1016/j.cis.2025.103456","url":null,"abstract":"<div><div>Collagen-based hydrogels represent a crucial class of biomaterials for their desirable physicochemical and biochemical properties. The variation in ingredients, gelation conditions, and crosslinking techniques may impact the physicochemical and biological properties of collagen-based hydrogels. However, the specific effects of these parameters on the gelation mechanisms of novel hydrogels and the relationships between fabrication parameters and the resultant characteristics of these hydrogels remain elusive. This review discussed the sol-gel phase transition mechanisms of collagen-based hydrogels, emphasizing the impact of gelation conditions, crosslinking agents, and additional polymers. This article highlights the potential of natural ingredients and safe modification technologies as effective strategies to mitigate the harmful effects of synthetic toxic components in products. Furthermore, this review summarizes constitutive models of collagen hydrogels, which serve as valuable tools for designing and customizing hydrogels to meet specific application requirements by simulating their mechanical and rheological properties. Additionally, the article concludes by briefly introducing applications of novel collagen-based hydrogels with desirable functions and properties. This review further deals with the theoretical support for the rational design and customization of innovative hydrogels and inspires future collagen-based biomaterial development.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"340 ","pages":"Article 103456"},"PeriodicalIF":15.9,"publicationDate":"2025-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143528809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Emerging heterostructures derived from metal–organic frameworks for electrochemical energy storage: Progresses and perspectives

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science

Pub Date : 2025-02-21 DOI: 10.1016/j.cis.2025.103449

Qingqing He , Shude Liu , Shaowei Chen , Lingyun Chen

Heterostructures are a novel class of advanced materials have attracted considerable attention because they combine components with different structures and properties, exhibiting unique activity and function due to synergistic interactions at the interface. Over the last decade, there has been increasing research interest in constructing advanced heterostructures nanomaterials possessing efficient charge/ion transportation, optimize ion absorption behavior and rich accessible active sites for electrochemical energy storage (EES). Nonetheless, the conventional methodology for constructing heterostructures typically involves the self-assembly of active materials and conductive components, which poses significant challenges in achieving large-scale, uniformly atomically matched interfaces. Moreover, the development of heterostructures via transformation of the printine material into distinct phases can effectively address this limitation. Based on this, Metal–organic frameworks (MOFs), a class of porous materials with an inherently large surface area, uniform and adjustable cavities, and customizable chemical properties, have been widely used as precursors or templates for the preparation of heterostructure materials. Although there are some previous reviews on MOF-derived heterostructures for EES, they rarely focus on the structural engineering of MOF-derived heterostructures materials and their advanced characterization for EES. In this review, we summarize and discuss recent progress in the design and structural engineering (including morphology engineering, heteroatom doping, and defect engineering) of MOF-derived heterostructures and their applications in EES (e.g., supercapacitors, lithium-ion batteries, sodium-ion batteries, aluminum-ion batteries, aqueous Zn-ion batteries, etc.). The review concludes with a perspective on the remaining challenges and potential opportunities for future research.

{"title":"Emerging heterostructures derived from metal–organic frameworks for electrochemical energy storage: Progresses and perspectives","authors":"Qingqing He , Shude Liu , Shaowei Chen , Lingyun Chen","doi":"10.1016/j.cis.2025.103449","DOIUrl":"10.1016/j.cis.2025.103449","url":null,"abstract":"<div><div>Heterostructures are a novel class of advanced materials have attracted considerable attention because they combine components with different structures and properties, exhibiting unique activity and function due to synergistic interactions at the interface. Over the last decade, there has been increasing research interest in constructing advanced heterostructures nanomaterials possessing efficient charge/ion transportation, optimize ion absorption behavior and rich accessible active sites for electrochemical energy storage (EES). Nonetheless, the conventional methodology for constructing heterostructures typically involves the self-assembly of active materials and conductive components, which poses significant challenges in achieving large-scale, uniformly atomically matched interfaces. Moreover, the development of heterostructures via transformation of the printine material into distinct phases can effectively address this limitation. Based on this, Metal–organic frameworks (MOFs), a class of porous materials with an inherently large surface area, uniform and adjustable cavities, and customizable chemical properties, have been widely used as precursors or templates for the preparation of heterostructure materials. Although there are some previous reviews on MOF-derived heterostructures for EES, they rarely focus on the structural engineering of MOF-derived heterostructures materials and their advanced characterization for EES. In this review, we summarize and discuss recent progress in the design and structural engineering (including morphology engineering, heteroatom doping, and defect engineering) of MOF-derived heterostructures and their applications in EES (e.g., supercapacitors, lithium-ion batteries, sodium-ion batteries, aluminum-ion batteries, aqueous Zn-ion batteries, etc.). The review concludes with a perspective on the remaining challenges and potential opportunities for future research.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"340 ","pages":"Article 103449"},"PeriodicalIF":15.9,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143520210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

On the different coalescence mechanisms in foams and in emulsions

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science

Pub Date : 2025-02-21 DOI: 10.1016/j.cis.2025.103448

Dominique Langevin

Coalescence is the less well understood destabilization process in emulsions and foams. These dispersions are stabilized by layers of surface-active agents adsorbed at the surface of drops and bubbles. The compactness of the layer is directly linked to the surface tension; the more compact the layer, the lower the tension. It is currently admitted that in dense emulsions (high drop fraction) and foams stable for more than a few minutes, coalescence is a thermally activated process involving nucleation of holes in the films separating drops and bubbles. In general, the less compact the layer, the easier the coalescence. In some emulsions however, the opposite behavior is observed: the more compact the layer, the easier the coalescence. Different models allow accounting for these two opposite situations, but the conditions in which they should be applied are not clear. After comparing the models and the experiments reported in the literature, we propose a few ideas to explain the difference in coalescence behavior.

引用次数: 0

MOF composites for revolutionizing blue energy harvesting and next-gen soft electronics

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science

Pub Date : 2025-02-20 DOI: 10.1016/j.cis.2025.103444

Ting-Yi Huang , Livy Laysandra , Norman C.-R. Chen , Fery Prasetyo , Yu-Cheng Chiu , Li-Hsien Yeh , Kevin C.-W. Wu

Metal-organic frameworks (MOFs) are porous materials with highly ordered and crystalline structures, which have earned tremendous attention in the academic community in recent years owing to their high tunability in porosity and pore structure. By integrating MOFs with soft colloids or polymers to form MOF composites, the rigidity and brittle nature of MOFs can be compensated for, thus achieving synergistic effects for a wide variety of applications. In particular, the past decade has seen the advancement of MOF composites in the budding fields of blue energy harvesting and soft electronics, which have received growing interest in the past 5 years. This review focuses on the applications of MOF composites in these two fields, and starts by examining the nanoarchitectures of MOFs, followed by the fabrication of MOF composites. Furthermore, topical advances of MOF composites in blue energy harvesting and soft electronics are reviewed and summarized, and their challenges and future opportunities are discussed as the final touch. This article provides comprehensive review and valuable insights into the development of MOF composites, which may open up new avenues for blue energy harvesting and soft electronics to solve the imminent energy crisis and to advance the wearable technology in healthcare.

{"title":"MOF composites for revolutionizing blue energy harvesting and next-gen soft electronics","authors":"Ting-Yi Huang , Livy Laysandra , Norman C.-R. Chen , Fery Prasetyo , Yu-Cheng Chiu , Li-Hsien Yeh , Kevin C.-W. Wu","doi":"10.1016/j.cis.2025.103444","DOIUrl":"10.1016/j.cis.2025.103444","url":null,"abstract":"<div><div>Metal-organic frameworks (MOFs) are porous materials with highly ordered and crystalline structures, which have earned tremendous attention in the academic community in recent years owing to their high tunability in porosity and pore structure. By integrating MOFs with soft colloids or polymers to form MOF composites, the rigidity and brittle nature of MOFs can be compensated for, thus achieving synergistic effects for a wide variety of applications. In particular, the past decade has seen the advancement of MOF composites in the budding fields of blue energy harvesting and soft electronics, which have received growing interest in the past 5 years. This review focuses on the applications of MOF composites in these two fields, and starts by examining the nanoarchitectures of MOFs, followed by the fabrication of MOF composites. Furthermore, topical advances of MOF composites in blue energy harvesting and soft electronics are reviewed and summarized, and their challenges and future opportunities are discussed as the final touch. This article provides comprehensive review and valuable insights into the development of MOF composites, which may open up new avenues for blue energy harvesting and soft electronics to solve the imminent energy crisis and to advance the wearable technology in healthcare.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"340 ","pages":"Article 103444"},"PeriodicalIF":15.9,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143477986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Advances of emulsification during the lifetime development of heavy oil reservoirs

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science

Pub Date : 2025-02-19 DOI: 10.1016/j.cis.2025.103445

Jianbin Liu , Shun Liu , Liguo Zhong , Zhe Li , Xin Chen , Shibao Yuan

Emulsifications are associated with the reservoir formation and lifetime development due to the characteristics of heavy oil and influence of injected fluid. The types of formed emulsions (W/O, O/W, or W/O/W) are also change as time goes. Therefore, based on the characteristics and development methods of heavy oil reservoir, emulsifications and their properties during lifetime development are summarized in detail. Heavy oil reservoirs are usually developed by water injection/steam, followed by chemical agents flooding. Tremendous stable W/O emulsions would be formed during water/steam injection due to the action of active components in heavy oil. Resulting in significant changes of viscosity, freezing point, interface characteristics and yield characteristics. Therefore, the efficient development may severely restricted. Chemical agents can emulsify heavy oil to form O/W emulsion and greatly improve the fluidity. Its formation, stability, and interface characteristics are all affected by properties, types and adsorption forms of chemical agents on interface. Researchers are also committed to the study of interface characteristics and stability mechanism, to solve the problem of efficient development of heavy oil. However, serious W/O emulsion has occurred before chemical injection. In fact, the more common type of emulsion formed is W/O/W emulsion. Its properties are also very different from O/W emulsions due to the complexity of composition and structure. The study of W/O/W emulsion formation, stability and flow behavior is more suitable for chemical flooding. Similarly, the development and evaluation of chemical agents should focus more in its emulsification on W/O emulsion in porous media. The results obtained can provide the basic theory for study of interface characteristics and micro-dynamics of heavy oil-water-chemical agent during the lifetime development of heavy oil reservoir.

{"title":"Advances of emulsification during the lifetime development of heavy oil reservoirs","authors":"Jianbin Liu , Shun Liu , Liguo Zhong , Zhe Li , Xin Chen , Shibao Yuan","doi":"10.1016/j.cis.2025.103445","DOIUrl":"10.1016/j.cis.2025.103445","url":null,"abstract":"<div><div>Emulsifications are associated with the reservoir formation and lifetime development due to the characteristics of heavy oil and influence of injected fluid. The types of formed emulsions (W/O, O/W, or W/O/W) are also change as time goes. Therefore, based on the characteristics and development methods of heavy oil reservoir, emulsifications and their properties during lifetime development are summarized in detail. Heavy oil reservoirs are usually developed by water injection/steam, followed by chemical agents flooding. Tremendous stable W/O emulsions would be formed during water/steam injection due to the action of active components in heavy oil. Resulting in significant changes of viscosity, freezing point, interface characteristics and yield characteristics. Therefore, the efficient development may severely restricted. Chemical agents can emulsify heavy oil to form O/W emulsion and greatly improve the fluidity. Its formation, stability, and interface characteristics are all affected by properties, types and adsorption forms of chemical agents on interface. Researchers are also committed to the study of interface characteristics and stability mechanism, to solve the problem of efficient development of heavy oil. However, serious W/O emulsion has occurred before chemical injection. In fact, the more common type of emulsion formed is W/O/W emulsion. Its properties are also very different from O/W emulsions due to the complexity of composition and structure. The study of W/O/W emulsion formation, stability and flow behavior is more suitable for chemical flooding. Similarly, the development and evaluation of chemical agents should focus more in its emulsification on W/O emulsion in porous media. The results obtained can provide the basic theory for study of interface characteristics and micro-dynamics of heavy oil-water-chemical agent during the lifetime development of heavy oil reservoir.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"340 ","pages":"Article 103445"},"PeriodicalIF":15.9,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143465176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Emerging transparent conductive superhydrophobic surfaces

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science

Pub Date : 2025-02-18 DOI: 10.1016/j.cis.2025.103443

Yongshen Zhou , Ke Pei , Zhiguang Guo

Transparent conductive superhydrophobic surfaces (TCSHSs) represent a novel class of multifunctional materials that concurrently exhibit high transparency, excellent electrical conductivity, and robust superhydrophobicity. These three desirable properties are synergistically combined to provide a wide variety of advantages for various optoelectronic applications with water-repelling capabilities, including solar cells, smart windows, touch screens, and automobile windshields, all of which benefit from self-cleaning, anti-icing, anti-fouling, and anti-corrosion properties. This review aims to provide an overview of recent advancements in the field of TCSHSs. It begins by revisiting the fundamental principles governing superhydrophobic behavior and delving into the underlying mechanisms of various wetting phenomena. The review also highlights the intricate balance among transparency, conductivity, and superhydrophobicity, along with the associated physical principles. Furthermore, it introduces emerging TCSHSs in terms of material types, preparation methods, evaluation criteria, and cutting-edge applications. Finally, it summarizes the critical challenges and promising future prospects for TCSHSs, which will facilitate further development in this field.

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引用次数: 0

Recent advances in the photothermocatalytic oxidation of formaldehyde in air

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science

Pub Date : 2025-02-18 DOI: 10.1016/j.cis.2025.103446

Kumar Vikrant , Ki-Hyun Kim , Eilhann E. Kwon

A synergistic combination of photocatalysis and thermocatalysis (photothermocatalysis) has been realized to harness the full solar spectrum with a particular focus on the infrared region to support sustainable oxidation reactions of carcinogenic oxygenated volatile organic compounds such as formaldehyde (FA). Here, recent advances in the oxidative removal of FA in air have been reviewed systematically. First, the fundamentals of the photothermocatalytic mechanism are introduced and discussed. Second, various aspects of the development and application of photothermocatalytic systems are described and reviewed. A specific focus is placed on the physicochemical characteristics of photothermocatalysts with respect to reaction conditions and oxidation performance using FA as a model compound. Third, the pathways and mechanisms of FA oxidation are elaborated and discussed in detail to provide insights into associated surface phenomena and surface chemistry at the molecular level. Finally, current shortcomings and future research directions are identified and discussed to help expand this research field further into the practical realm.

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