Advances in Colloid and Interface Science最新文献

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Recent advances of electrospun strategies in topical products encompassing skincare and dermatological treatments 电纺策略在外用产品(包括护肤品和皮肤病治疗)中的最新进展
IF 15.9 1区 化学
Advances in Colloid and Interface Science Pub Date : 2024-06-13 DOI: 10.1016/j.cis.2024.103236
Kaisong Huang , Yifan Si , Chunxia Guo, Jinlian Hu
{"title":"Recent advances of electrospun strategies in topical products encompassing skincare and dermatological treatments","authors":"Kaisong Huang ,&nbsp;Yifan Si ,&nbsp;Chunxia Guo,&nbsp;Jinlian Hu","doi":"10.1016/j.cis.2024.103236","DOIUrl":"10.1016/j.cis.2024.103236","url":null,"abstract":"<div><p>As the potential applications of electrospinning in healthcare continue to be explored, along with advancements in industrial-scale solutions and the emergence of portable electrospinning devices, some researchers have explored electrospinning technology in topical products, including its application in skincare, such as facial masks, beauty patches, sunscreen, and dermatological treatments for conditions like atopic dermatitis, psoriasis, acne, skin cancer, etc. In this review, we first outline the fundamental principles of electrospinning and provide an overview of existing solutions for large-scale production and the components and functionalities of portable spinning devices. Based on the essential functionalities required for skincare products and the mechanisms and treatment methods for the aforementioned dermatological diseases, we summarize the potential advantages of electrospinning technology in these areas, including encapsulation, sustained release, large surface area, and biocompatibility, among others. Furthermore, considering the further commercialization and clinical development of electrospinning technology, we offer our insights on current challenges and future perspectives in these areas, including issues such as ingredients, functionality, residue concerns, environmental impact, and efficiency issues.</p></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"331 ","pages":"Article 103236"},"PeriodicalIF":15.9,"publicationDate":"2024-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141413003","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
Recent developments in the encapsulation of lavender essential oil 薰衣草精油封装技术的最新发展
IF 15.6 1区 化学
Advances in Colloid and Interface Science Pub Date : 2024-06-12 DOI: 10.1016/j.cis.2024.103229
Sara Hedayati , Mohammad Tarahi , Aida Iraji , Mohammad Hashem Hashempur
{"title":"Recent developments in the encapsulation of lavender essential oil","authors":"Sara Hedayati ,&nbsp;Mohammad Tarahi ,&nbsp;Aida Iraji ,&nbsp;Mohammad Hashem Hashempur","doi":"10.1016/j.cis.2024.103229","DOIUrl":"https://doi.org/10.1016/j.cis.2024.103229","url":null,"abstract":"<div><p>The unregulated and extensive application of synthetic compounds, such as preservatives, pesticides, and drugs, poses serious concerns to the environment, food security, and global health. Essential oils (EOs) are valid alternatives to these synthetic chemicals due to their therapeutic, antioxidant, and antimicrobial activities. Lavender essential oil (LEO) can be potentially applied in food, cosmetic, textile, agricultural, and pharmaceutical industries. However, its bioactivity can be compromised by its poor stability and solubility, which severely restrict its industrial applications. Encapsulation techniques can improve the functionality of LEO and preserve its bioactivity during storage. This review reports recent advances in the encapsulation of LEO by different methods, such as liposomes, emulsification, spray drying, complex coacervation, inclusion complexation, and electrospinning. It also outlines the effects of different processing conditions and carriers on the stability, physicochemical properties, and release behavior of encapsulated LEO. Moreover, this review focuses on the applications of encapsulated LEO in different food and non-food products.</p></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"331 ","pages":"Article 103229"},"PeriodicalIF":15.6,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141325652","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
Enhancing the substrate selectivity of enzyme mimetics in biosensing and bioassay: Novel approaches 在生物传感和生物测定中增强酶模拟物的底物选择性:新方法
IF 15.9 1区 化学
Advances in Colloid and Interface Science Pub Date : 2024-06-11 DOI: 10.1016/j.cis.2024.103233
Amir M. Ashrafi , Atripan Mukherjee , Arezoo Saadati , Frank-Michael Matysik , Lukas Richtera , Vojtech Adam
{"title":"Enhancing the substrate selectivity of enzyme mimetics in biosensing and bioassay: Novel approaches","authors":"Amir M. Ashrafi ,&nbsp;Atripan Mukherjee ,&nbsp;Arezoo Saadati ,&nbsp;Frank-Michael Matysik ,&nbsp;Lukas Richtera ,&nbsp;Vojtech Adam","doi":"10.1016/j.cis.2024.103233","DOIUrl":"10.1016/j.cis.2024.103233","url":null,"abstract":"<div><p>A substantial development in nanoscale materials possessing catalytic activities comparable with natural enzymes has been accomplished. Their advantages were owing to the excellent sturdiness in an extreme environment, possibilities of their large-scale production resulting in higher profitability, and easy manipulation for modification. Despite these advantages, the main challenge for artificial enzyme mimetics is the lack of substrate selectivity where natural enzymes flourish. This review addresses this vital problem by introducing substrate selectivity strategies to three classes of artificial enzymes: molecularly imprinted polymers, nanozymes (NZs), and DNAzymes. These rationally designed strategies enhance the substrate selectivity and are discussed and exemplified throughout the review. Various functional mechanisms associated with applying enzyme mimetics in biosensing and bioassays are also given. Eventually, future directives toward enhancing the substrate selectivity of biomimetics and related challenges are discussed and evaluated based on their efficiency and convenience in biosensing and bioassays.</p></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"331 ","pages":"Article 103233"},"PeriodicalIF":15.9,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141390875","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
Edible coating using carbon quantum dots for fresh produce preservation: A review of safety perspectives 使用碳量子点的可食用涂层用于新鲜农产品保鲜:安全观点综述
IF 15.6 1区 化学
Advances in Colloid and Interface Science Pub Date : 2024-06-06 DOI: 10.1016/j.cis.2024.103211
Ruchir Priyadarshi , Suzan Uzun , Jong-Whan Rhim
{"title":"Edible coating using carbon quantum dots for fresh produce preservation: A review of safety perspectives","authors":"Ruchir Priyadarshi ,&nbsp;Suzan Uzun ,&nbsp;Jong-Whan Rhim","doi":"10.1016/j.cis.2024.103211","DOIUrl":"https://doi.org/10.1016/j.cis.2024.103211","url":null,"abstract":"<div><p>Fresh produce deteriorates and spoils after harvest due to its perishable nature. Deterioration in quality over time has become a major problem for the food industry, placing an undue burden on the economy and agriculture. Food scientists have developed various methods and technologies to prevent spoilage of fruits and vegetables during storage and logistics. Utilizing carbon quantum dots (CQDs) in the form of active packaging and coatings has been a popular strategy recently. CQDs have recently attracted attention as sustainable and functional nanomaterials. CQDs are popular among food scientists due to their easy and economical synthesis, sustainability, non-toxicity, biocompatibility, edibility, UV protection, and antibacterial and antioxidant activities. Although many studies have been conducted and reviewed on the utilization of CQDs in the manufacture of flexible active packaging materials, relatively few studies have investigated the use of CQDs in edible coating formulations for fresh produce. The main reasons for this are concerns about the potential toxicity and edibility of CQDs if they are coated directly on fresh produce. Therefore, this review aims to address these issues by investigating the dose-dependent non-toxicity and biocompatibility of sustainable CQDs along with other important properties from a food packaging perspective. Additionally, this review focuses on the studies performed so far on the direct coating of CQD-based formulations on fresh and fresh-cut fruits and vegetables and discusses the important impact of CQDs on the quality of coated agricultural products. This review is intended to provide food packaging researchers with confidence and prospects for utilizing sustainable CQDs in direct coating formulations for food.</p></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"331 ","pages":"Article 103211"},"PeriodicalIF":15.6,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141289374","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
Metal-organic frameworks for biomedical applications: A review 用于生物医学应用的金属有机框架:综述
IF 15.6 1区 化学
Advances in Colloid and Interface Science Pub Date : 2024-06-05 DOI: 10.1016/j.cis.2024.103210
Mohamed Hefayathullah , Smita Singh , Vellaichamy Ganesan , Govindhan Maduraiveeran
{"title":"Metal-organic frameworks for biomedical applications: A review","authors":"Mohamed Hefayathullah ,&nbsp;Smita Singh ,&nbsp;Vellaichamy Ganesan ,&nbsp;Govindhan Maduraiveeran","doi":"10.1016/j.cis.2024.103210","DOIUrl":"https://doi.org/10.1016/j.cis.2024.103210","url":null,"abstract":"<div><p>Metal-organic frameworks (MOFs) are emergent materials in diverse prospective biomedical uses, owing to their inherent features such as adjustable pore dimension and volume, well-defined active sites, high surface area, and hybrid structures. The multifunctionality and unique chemical and biological characteristics of MOFs allow them as ideal platforms for sensing numerous emergent biomolecules with real-time monitoring towards the point-of-care applications. This review objects to deliver key insights on the topical developments of MOFs for biomedical applications. The rational design, preparation of stable MOF architectures, chemical and biological properties, biocompatibility, enzyme-mimicking materials, fabrication of biosensor platforms, and the exploration in diagnostic and therapeutic systems are compiled. The state-of-the-art, major challenges, and the imminent perspectives to improve the progressions convoluted outside the proof-of-concept, especially for biosensor platforms, imaging, and photodynamic therapy in biomedical research are also described. The present review may excite the interdisciplinary studies at the juncture of MOFs and biomedicine.</p></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"331 ","pages":"Article 103210"},"PeriodicalIF":15.6,"publicationDate":"2024-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141303329","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
Electrophoretic deposition of MXenes and their composites: Toward a scalable approach MXenes 及其复合材料的电泳沉积:实现可扩展的方法
IF 15.6 1区 化学
Advances in Colloid and Interface Science Pub Date : 2024-06-04 DOI: 10.1016/j.cis.2024.103208
Mina Namvari, Barun Kumar Chakrabarti
{"title":"Electrophoretic deposition of MXenes and their composites: Toward a scalable approach","authors":"Mina Namvari,&nbsp;Barun Kumar Chakrabarti","doi":"10.1016/j.cis.2024.103208","DOIUrl":"10.1016/j.cis.2024.103208","url":null,"abstract":"<div><p>Over the past decade, MXenes, a novel class of advanced 2D nanomaterials, have manifested as a prominent electrode material with diverse applications. Their unique layered structures, negative zeta potential, charge carrier mobility, mechanical properties, adjustable bandgap, hydrophilicity, metallic nature, and surface chemistry collectively contribute to the abundance of active redox sites on the surface and a reduction in the ion diffusion pathway. Despite such promising attributes of MXene, challenges like aggregation and restacking reduce the accessibility of active surface sites for electrolyte ions. Amongst approaches such as surface functionalization, addition of spacers, or facilitating pore formation, the electrophoretic deposition (EPD) of MXene on substrates has commenced to gain attention aiming to mitigate these issues. More importantly, it offers large-scale film fabrication in a short time without the necessity of using a charge-inducing agent. This review compiles recent advances in the use of EPD for preparing MXene-based electrodes and discusses the effect of EPD parameters on the relevant device performance. Recognition is given to understanding the relation of MXene colloidal composition in aqueous (and in some cases, non-aqueous) dispersions, deposition times, and other relevant parameters on respective device performances. In conclusion, the potential avenues offered by MXenes for future research on electrode materials are emphasized.</p></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"331 ","pages":"Article 103208"},"PeriodicalIF":15.6,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141279749","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
Developments in anticorrosive organic coatings modulated by nano/microcontainers with porous matrices 由多孔基质纳米/微容器调制的防腐有机涂层的研究进展
IF 15.6 1区 化学
Advances in Colloid and Interface Science Pub Date : 2024-06-04 DOI: 10.1016/j.cis.2024.103209
Inime I. Udoh , Okpo O. Ekerenam , Enobong F. Daniel , Alexander I. Ikeuba , Demian I. Njoku , Sharafadeen K. Kolawole , Ini-Ibehe N. Etim , Wilfred Emori , Chigoziri N. Njoku , Iniobong P. Etim , Paul C. Uzoma
{"title":"Developments in anticorrosive organic coatings modulated by nano/microcontainers with porous matrices","authors":"Inime I. Udoh ,&nbsp;Okpo O. Ekerenam ,&nbsp;Enobong F. Daniel ,&nbsp;Alexander I. Ikeuba ,&nbsp;Demian I. Njoku ,&nbsp;Sharafadeen K. Kolawole ,&nbsp;Ini-Ibehe N. Etim ,&nbsp;Wilfred Emori ,&nbsp;Chigoziri N. Njoku ,&nbsp;Iniobong P. Etim ,&nbsp;Paul C. Uzoma","doi":"10.1016/j.cis.2024.103209","DOIUrl":"https://doi.org/10.1016/j.cis.2024.103209","url":null,"abstract":"<div><p>The durability and functionality of many metallic structures are seriously threatened by corrosion, which makes the development of anticorrosive coatings imperative. This state-of-the-art survey explores the recent developments in the field of anticorrosive organic coatings modulated by innovations involving nano/microcontainers with porous matrices. The integration of these cutting-edge delivery systems seeks to improve the protective properties of coatings by enabling controlled release, extended durability, targeted application of corrosion inhibitors, and can be <em>co</em>-constructed to achieve defect filling by polymeric materials. The major highlight of this review is an in-depth analysis of the functionalities provided by porous nano/microcontainers in the active protection and self-healing of anticorrosive coatings, including their performance evaluation. In one case, after 20 days of immersion in 0.1 M NaCl, a scratched coating containing mesoporous silica nanoparticles loaded with an inhibitor benzotriazole and shelled with polydopamine (MSNs-BTA@PDA) exhibited coating restoration indicated by a sustained corrosion resistance rise over an extended period monitored by impedance values at 0.01 Hz frequency, rising from 8.3 × 10<sup>4</sup> to 7.0 × 10<sup>5</sup> Ω cm<sup>2</sup>, a trend assigned to active protection by the release of inhibitors and self-healing capabilities. Additionally, some functions related to anti-fouling and heat preservation by nano/microcontainers are highlighted. Based on the literature survey, some desirable properties, current challenges, and prospects of anticorrosive coatings doped with nano/microcontainers have been summarized. The knowledge gained from this survey will shape future research directions and applications in a variety of industrial areas, in addition to advancing smart corrosion prevention technology.</p></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"330 ","pages":"Article 103209"},"PeriodicalIF":15.6,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0001868624001325/pdfft?md5=2f49dad99c20e0224189d1b97b343590&pid=1-s2.0-S0001868624001325-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141264114","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
Smart theranostics for wound monitoring and therapy 用于伤口监测和治疗的智能治疗仪
IF 15.6 1区 化学
Advances in Colloid and Interface Science Pub Date : 2024-06-03 DOI: 10.1016/j.cis.2024.103207
Alireza Joorabloo, Tianqing Liu
{"title":"Smart theranostics for wound monitoring and therapy","authors":"Alireza Joorabloo,&nbsp;Tianqing Liu","doi":"10.1016/j.cis.2024.103207","DOIUrl":"https://doi.org/10.1016/j.cis.2024.103207","url":null,"abstract":"<div><p>To overcome the challenges of poor wound diagnosis and limited clinical efficacy of current wound management, wound dressing materials with the aim of monitoring various biomarkers vital to the wound healing process such as temperature, pH, glucose concentration, and reactive oxygen species (ROS) and improving the therapeutic outcomes have been developed. These innovative theranostic dressings are smartly engineered using stimuli-responsive biomaterials to monitor and regulate local microenvironments and deliver cargos to the wound sites in a timely and effective manner. This review provides an overview of recent advances in novel theranostics for wound monitoring and therapy as well as giving insights into the future treatment of wounds <em>via</em> smart design of theranostic materials.</p></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"330 ","pages":"Article 103207"},"PeriodicalIF":15.6,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0001868624001301/pdfft?md5=3a1de4fe08df9e7702298eba19ec2c37&pid=1-s2.0-S0001868624001301-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141250417","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
Recent progress in stimuli-responsive polymeric micelles for targeted delivery of functional nanoparticles 用于定向输送功能纳米粒子的刺激响应型聚合物胶束的最新进展。
IF 15.6 1区 化学
Advances in Colloid and Interface Science Pub Date : 2024-05-29 DOI: 10.1016/j.cis.2024.103206
Zhonglin Cao , Xiaoling Zuo , Xiaochen Liu , Gaixia Xu , Ken-Tye Yong
{"title":"Recent progress in stimuli-responsive polymeric micelles for targeted delivery of functional nanoparticles","authors":"Zhonglin Cao ,&nbsp;Xiaoling Zuo ,&nbsp;Xiaochen Liu ,&nbsp;Gaixia Xu ,&nbsp;Ken-Tye Yong","doi":"10.1016/j.cis.2024.103206","DOIUrl":"10.1016/j.cis.2024.103206","url":null,"abstract":"<div><p>Stimuli-responsive polymeric micelles have emerged as a revolutionary approach for enhancing the in vivo stability, biocompatibility, and targeted delivery of functional nanoparticles (FNPs) in biomedicine. This article comprehensively reviews the preparation methods of these polymer micelles, detailing the innovative strategies employed to introduce stimulus responsiveness and surface modifications essential for precise targeting. We delve into the breakthroughs in utilizing these micelles to selectively deliver various FNPs including magnetic nanoparticles, upconversion nanoparticles, gold nanoparticles, and quantum dots, highlighting their transformative impact in the biomedical realm. Concluding, we present an insight into the current research landscape, addressing the challenges at hand, and envisioning the future trajectory in this burgeoning domain. Join us as we navigate the exciting confluence of polymer science and nanotechnology in reshaping biomedical solutions.</p></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"330 ","pages":"Article 103206"},"PeriodicalIF":15.6,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141187224","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
Packing in multimodal crystals and particle assemblies as models for dynamic packing during spontaneous and enforced particle movement: Settling, viscosity and elasticity 多模态晶体和颗粒集合体中的堆积,作为自发和强制颗粒运动过程中动态堆积的模型:沉降、粘度和弹性。
IF 15.9 1区 化学
Advances in Colloid and Interface Science Pub Date : 2024-05-29 DOI: 10.1016/j.cis.2024.103165
Jarl B. Rosenholm
{"title":"Packing in multimodal crystals and particle assemblies as models for dynamic packing during spontaneous and enforced particle movement: Settling, viscosity and elasticity","authors":"Jarl B. Rosenholm","doi":"10.1016/j.cis.2024.103165","DOIUrl":"10.1016/j.cis.2024.103165","url":null,"abstract":"<div><p>Colloid particles (<em>CP</em>, 10<sup>−8</sup>–10<sup>−6</sup> m = 10–1000 nm) are used as models for atom scale processes, such as crystallization since the process is experimentally observable. Packing of atoms in crystals resemble mono-, bi-, and trimodal packing of noncharged hard spheres (particles). When the size of one particle exceeds the two others an excluded volume consisting of small particles is created around large particles. This is also the case when colloid particles are dispersed in water. The formation of an excluded volume does not require attraction forces, but it is enforced by the presence of dissolved primary (cations) and secondary (protons of surface hydroxyls) potential determining ions. The outcome is an interfacial solid-liquid charge. This excluded volume, denoted Stern layer is characterized by the surface potential and charge density. Charge neutrality is identified by point of zero charge (<em>pH</em><sub><em>pzc</em></sub> and <em>pc</em><sub><em>pzc</em></sub>). Outside Stern layer another excluded volume is formed of loosely bound counterions which interact with Stern layer. The extent of this diffuse layer is given by inverse Debye length and effective <em>ζ</em>-potential. The overall balance between attractive and repulsive energies is provided by Derjaguin-Landau-Veerwey-Overbeek (DLVO) model. Charge neutrality is identified at isoelectric point (<em>pH</em><sub><em>iep</em></sub> and <em>pc</em><sub><em>iep</em></sub>). The dependence of viscosity and yield stress on shear rate may be modeled by von Smoluchowski's volumetric collision frequency multiplied by some total interaction energy given by DLVO model. Equilibrium and dynamic models for settling and enforced particle movement (viscosity) are presented. Both compressive yield stress (sedimentation) and cohesive energy (viscoelasticity) are characterized by power law exponents of volume fraction. The transition of disperse suspensions (sols) to spanning clusters (gels) is identified by oscillatory rheology. The slope of linear plots of logarithmic storage (<em>G´</em>) and loss (<em>G\"</em>) moduli against logarithm of frequency or logarithm of volume fraction provide power law exponents from the slopes. These exponents relate to percolation and fractal dimensions characterizing the particle network. Moreover, it identifies the structure formation process either as diffusion limited cluster-cluster (DLCCA) or as reaction limited cluster-cluster (RLCCA) aggregation.</p></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"331 ","pages":"Article 103165"},"PeriodicalIF":15.9,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0001868624000885/pdfft?md5=23421c12d70021c968d886759e1f6b84&pid=1-s2.0-S0001868624000885-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141536170","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
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