The integration of machine learning (ML) in materials fabrication has seen significant advancements in recent scientific innovations, particularly in the realm of 3D/4D printing. ML algorithms are crucial in optimizing the selection, design, functionalization, and high-throughput manufacturing of materials. Meanwhile, 3D/4D printing with responsive material components has increased the vast design flexibility for printed hydrogel composite materials with stimuli responsiveness. This review focuses on the significant developments in using ML in 3D/4D printing to create hydrogel composites that respond to stimuli. It discusses the molecular designs, theoretical calculations, and simulations underpinning these materials and explores the prospects of such technologies and materials. This innovative technological advancement will offer new design and fabrication opportunities in biosensors, mechatronics, flexible electronics, wearable devices, and intelligent biomedical devices. It also provides advantages such as rapid prototyping, cost-effectiveness, and minimal material wastage.
{"title":"The application of machine learning in 3D/4D printed stimuli-responsive hydrogels","authors":"Onome Ejeromedoghene , Moses Kumi , Ephraim Akor , Zexin Zhang","doi":"10.1016/j.cis.2024.103360","DOIUrl":"10.1016/j.cis.2024.103360","url":null,"abstract":"<div><div>The integration of machine learning (ML) in materials fabrication has seen significant advancements in recent scientific innovations, particularly in the realm of 3D/4D printing. ML algorithms are crucial in optimizing the selection, design, functionalization, and high-throughput manufacturing of materials. Meanwhile, 3D/4D printing with responsive material components has increased the vast design flexibility for printed hydrogel composite materials with stimuli responsiveness. This review focuses on the significant developments in using ML in 3D/4D printing to create hydrogel composites that respond to stimuli. It discusses the molecular designs, theoretical calculations, and simulations underpinning these materials and explores the prospects of such technologies and materials. This innovative technological advancement will offer new design and fabrication opportunities in biosensors, mechatronics, flexible electronics, wearable devices, and intelligent biomedical devices. It also provides advantages such as rapid prototyping, cost-effectiveness, and minimal material wastage.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"336 ","pages":"Article 103360"},"PeriodicalIF":15.9,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747145","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}
Pub Date : 2024-11-22DOI: 10.1016/j.cis.2024.103356
Paweł Repetowski , Marta Warszyńska , Janusz M. Dąbrowski
Anticancer therapies that combine both diagnostic and therapeutic capabilities hold significant promise for enhancing treatment efficacy and patient outcomes. Among these, agents responsive to near-infrared (NIR) photons are of particular interest due to their negligible toxicity and multifunctionality. These compounds are not only effective in photodynamic therapy (PDT), but also serve as contrast agents in various imaging modalities, including fluorescence and photoacoustic imaging. In this review, we explore the photophysical and photochemical properties of NIR-activated porphyrin, cyanine, and phthalocyanines derivatives as well as aggregation-induced emission compounds, highlighting their application in synergistic detection, diagnosis, and therapy. Special attention is given to the design and optimization of these agents to achieve high photostability, efficient NIR absorption, and significant yields of fluorescence, heat, or reactive oxygen species (ROS) generation depending on the application. Additionally, we discuss the incorporation of these compounds into nanocarriers to enhance their solubility, stability, and target specificity. Such nanoparticle-based systems exhibit improved pharmacokinetics and pharmacodynamics, facilitating more effective tumor targeting and broadening the application range to photoacoustic imaging and photothermal therapy. Furthermore, we summarize the application of these NIR-responsive agents in multimodal imaging techniques, which combine the advantages of fluorescence and photoacoustic imaging to provide comprehensive diagnostic information. Finally, we address the current challenges and limitations of photodiagnosis and phototherapy and highlight some critical barriers to their clinical implementation. These include issues related to their phototoxicity, limited tissue penetration, and potential off-target effects. The review concludes by highlighting future research directions aimed at overcoming these obstacles, with a focus on the development of next-generation agents and platforms that offer enhanced therapeutic efficacy and imaging capabilities in the field of cancer treatment.
{"title":"NIR-activated multifunctional agents for the combined application in cancer imaging and therapy","authors":"Paweł Repetowski , Marta Warszyńska , Janusz M. Dąbrowski","doi":"10.1016/j.cis.2024.103356","DOIUrl":"10.1016/j.cis.2024.103356","url":null,"abstract":"<div><div>Anticancer therapies that combine both diagnostic and therapeutic capabilities hold significant promise for enhancing treatment efficacy and patient outcomes. Among these, agents responsive to near-infrared (NIR) photons are of particular interest due to their negligible toxicity and multifunctionality. These compounds are not only effective in photodynamic therapy (PDT), but also serve as contrast agents in various imaging modalities, including fluorescence and photoacoustic imaging. In this review, we explore the photophysical and photochemical properties of NIR-activated porphyrin, cyanine, and phthalocyanines derivatives as well as aggregation-induced emission compounds, highlighting their application in synergistic detection, diagnosis, and therapy. Special attention is given to the design and optimization of these agents to achieve high photostability, efficient NIR absorption, and significant yields of fluorescence, heat, or reactive oxygen species (ROS) generation depending on the application. Additionally, we discuss the incorporation of these compounds into nanocarriers to enhance their solubility, stability, and target specificity. Such nanoparticle-based systems exhibit improved pharmacokinetics and pharmacodynamics, facilitating more effective tumor targeting and broadening the application range to photoacoustic imaging and photothermal therapy. Furthermore, we summarize the application of these NIR-responsive agents in multimodal imaging techniques, which combine the advantages of fluorescence and photoacoustic imaging to provide comprehensive diagnostic information. Finally, we address the current challenges and limitations of photodiagnosis and phototherapy and highlight some critical barriers to their clinical implementation. These include issues related to their phototoxicity, limited tissue penetration, and potential off-target effects. The review concludes by highlighting future research directions aimed at overcoming these obstacles, with a focus on the development of next-generation agents and platforms that offer enhanced therapeutic efficacy and imaging capabilities in the field of cancer treatment.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"336 ","pages":"Article 103356"},"PeriodicalIF":15.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747144","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}
Pub Date : 2024-11-22DOI: 10.1016/j.cis.2024.103359
Guangling He , Wenyan Liu , Yuhua Liu , Shuqing Wei , Yuhao Yue , Lei Dong , Liangmin Yu
Biofouling is a long-standing problem for biomedical devices, membranes and marine equipment. Eco-friendly hydrogels show great potential for antifouling applications due to their unique antifouling characteristics. However, a single antifouling mechanism cannot meet a wider practical application of antifouling hydrogels, combined with multiple antifouling mechanisms, the various antifouling advantages can be played, as well as the antifouling performance and service life of antifouling hydrogel can be improved. For the construction of the antifouling hydrogel with multiple antifouling mechanisms, the antifouling mechanisms that have been used in antifouling hydrogels should be analyzed. Hence, this review focus on five major antifouling mechanisms used in antifouling hydrogel: hydration layer, elastic modulus, antifoulant modification, micro/nanostructure and self-renewal surface construction. The methods of exerting the above antifouling mechanisms in hydrogels and the materials of preparing antifouling hydrogel are introduced. Finally, the development of antifouling hydrogel in biomedical materials, membrane and marine related field is summarized, and the existing problems as well as the future trend of antifouling hydrogel are discussed. This review provides reasonable guidance for the future and application of the construction of antifouling hydrogels with multiple antifouling mechanisms.
{"title":"Antifouling hydrogel with different mechanisms:Antifouling mechanisms, materials, preparations and applications","authors":"Guangling He , Wenyan Liu , Yuhua Liu , Shuqing Wei , Yuhao Yue , Lei Dong , Liangmin Yu","doi":"10.1016/j.cis.2024.103359","DOIUrl":"10.1016/j.cis.2024.103359","url":null,"abstract":"<div><div>Biofouling is a long-standing problem for biomedical devices, membranes and marine equipment. Eco-friendly hydrogels show great potential for antifouling applications due to their unique antifouling characteristics. However, a single antifouling mechanism cannot meet a wider practical application of antifouling hydrogels, combined with multiple antifouling mechanisms, the various antifouling advantages can be played, as well as the antifouling performance and service life of antifouling hydrogel can be improved. For the construction of the antifouling hydrogel with multiple antifouling mechanisms, the antifouling mechanisms that have been used in antifouling hydrogels should be analyzed. Hence, this review focus on five major antifouling mechanisms used in antifouling hydrogel: hydration layer, elastic modulus, antifoulant modification, micro/nanostructure and self-renewal surface construction. The methods of exerting the above antifouling mechanisms in hydrogels and the materials of preparing antifouling hydrogel are introduced. Finally, the development of antifouling hydrogel in biomedical materials, membrane and marine related field is summarized, and the existing problems as well as the future trend of antifouling hydrogel are discussed. This review provides reasonable guidance for the future and application of the construction of antifouling hydrogels with multiple antifouling mechanisms.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"335 ","pages":"Article 103359"},"PeriodicalIF":15.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142703461","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}
Pub Date : 2024-11-22DOI: 10.1016/j.cis.2024.103355
Jiaobing Chen , Peng Liu , Zhiguang Guo
Special wettability materials have been favored by researchers in recent years, and have played a great role in a variety of fields such as fog water collection, anti-fog, anti-icing, self-cleaning, etc. Especially in the field of oil-water separation, the frequent occurrence of offshore oil spills has seriously endangered the ecological environment. Inspired by nature, researchers have developed and manufactured a lot of bionic special wettability materials, which are expected to be effective in oil-water separation and solve the problem. However, the inherent fragility of these materials significantly limits their practical applications. There is an urgent need to fabricate special wettability materials with excellent mechanical and chemical stability through appropriate surface structure and composition design. In this review, the wettability theory and failure mechanisms of special wettability materials used for oil-water separation are reviewed, followed by a summary of test methods used to characterize durability. Methods to improve the durability of materials in recent years are described. Firstly, starting from the substrate material, the appropriate substrate material is selected according to the working environment. Secondly, micro/nano hierarchical structures can enhance the robustness and durability of materials. For coating-type materials, strengthening the bond between the substrate material and the coating is a common and effective strategy. Chemical bonds can be formed between them, and the binder can also be introduced. Moreover, endowing the material with self-healing properties is also an efficient approach. The final section summarizes the challenges in this field and offers an outlook, with the expectation of enabling large-scale, real-world applications.
{"title":"Robust special wettability materials for oil-water separation: Mechanisms and strategies","authors":"Jiaobing Chen , Peng Liu , Zhiguang Guo","doi":"10.1016/j.cis.2024.103355","DOIUrl":"10.1016/j.cis.2024.103355","url":null,"abstract":"<div><div>Special wettability materials have been favored by researchers in recent years, and have played a great role in a variety of fields such as fog water collection, anti-fog, anti-icing, self-cleaning, etc. Especially in the field of oil-water separation, the frequent occurrence of offshore oil spills has seriously endangered the ecological environment. Inspired by nature, researchers have developed and manufactured a lot of bionic special wettability materials, which are expected to be effective in oil-water separation and solve the problem. However, the inherent fragility of these materials significantly limits their practical applications. There is an urgent need to fabricate special wettability materials with excellent mechanical and chemical stability through appropriate surface structure and composition design. In this review, the wettability theory and failure mechanisms of special wettability materials used for oil-water separation are reviewed, followed by a summary of test methods used to characterize durability. Methods to improve the durability of materials in recent years are described. Firstly, starting from the substrate material, the appropriate substrate material is selected according to the working environment. Secondly, micro/nano hierarchical structures can enhance the robustness and durability of materials. For coating-type materials, strengthening the bond between the substrate material and the coating is a common and effective strategy. Chemical bonds can be formed between them, and the binder can also be introduced. Moreover, endowing the material with self-healing properties is also an efficient approach. The final section summarizes the challenges in this field and offers an outlook, with the expectation of enabling large-scale, real-world applications.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"335 ","pages":"Article 103355"},"PeriodicalIF":15.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142703525","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}
Pub Date : 2024-11-22DOI: 10.1016/j.cis.2024.103358
Kun Tang , Jian Wang , Xiang Pei , Zhou Zhu , Jiayi Liu , Qianbing Wan , Xin Zhang
The use of biomedical implants in surgical techniques promotes the restoration of lost tissue or organ physiological functions in the body. The interface between different materials determines their interactions and ultimately affects the physicochemical properties of biomedical implants. After implantation, the biointerface plays a crucial role in determining the biocompatibility and functionality of biomedical implants. Surface modification of biomaterials by developing novel biomaterials like various flexible coatings to meet the requirements of biointerfaces, such as mechanical performance, compatibility safety, and biological activities, can improve material-biological interactions by maintaining its original volumetric characteristics. Hydrogels possess excellent plasticity, biodegradability, biocompatibility, and extracellular-matrix-like properties, making them widely used in the biomedical field. Moreover, due to their unique three-dimensional crosslinked hydrophilic network, hydrogels can encapsulate a variety of materials, such as small molecules, polymers, and particle. In recent years, it has been proved that coating biomedical implant materials with flexible hydrogels can optimize the biointerface and holds vast potential for implant surface modification. In this review, we first discussed the potential requirements of the biointerface on the surface of implantable materials in both in vitro and in vivo biological microenvironments. Based on these comprehensive reviews, we also introduced the potential applications of hydrogels in both in vitro and in vivo settings. Finally, this review focused on the challenges faced by the biointerface of implantable materials constructed based on hydrogels and proposed future approaches to inspire researchers with new ideas.
{"title":"Flexible coatings based on hydrogel to enhance the biointerface of biomedical implants","authors":"Kun Tang , Jian Wang , Xiang Pei , Zhou Zhu , Jiayi Liu , Qianbing Wan , Xin Zhang","doi":"10.1016/j.cis.2024.103358","DOIUrl":"10.1016/j.cis.2024.103358","url":null,"abstract":"<div><div>The use of biomedical implants in surgical techniques promotes the restoration of lost tissue or organ physiological functions in the body. The interface between different materials determines their interactions and ultimately affects the physicochemical properties of biomedical implants. After implantation, the biointerface plays a crucial role in determining the biocompatibility and functionality of biomedical implants. Surface modification of biomaterials by developing novel biomaterials like various flexible coatings to meet the requirements of biointerfaces, such as mechanical performance, compatibility safety, and biological activities, can improve material-biological interactions by maintaining its original volumetric characteristics. Hydrogels possess excellent plasticity, biodegradability, biocompatibility, and extracellular-matrix-like properties, making them widely used in the biomedical field. Moreover, due to their unique three-dimensional crosslinked hydrophilic network, hydrogels can encapsulate a variety of materials, such as small molecules, polymers, and particle. In recent years, it has been proved that coating biomedical implant materials with flexible hydrogels can optimize the biointerface and holds vast potential for implant surface modification. In this review, we first discussed the potential requirements of the biointerface on the surface of implantable materials in both in vitro and in vivo biological microenvironments. Based on these comprehensive reviews, we also introduced the potential applications of hydrogels in both in vitro and in vivo settings. Finally, this review focused on the challenges faced by the biointerface of implantable materials constructed based on hydrogels and proposed future approaches to inspire researchers with new ideas.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"335 ","pages":"Article 103358"},"PeriodicalIF":15.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142703459","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}
Pub Date : 2024-11-22DOI: 10.1016/j.cis.2024.103357
Jin Zeng , Qing Zhao , Zhiqiang Xiong , Siyu Zhang , Shuo Deng , Daxu Liu , Xuejiao Zhang
Two dimensional (2D) nanomaterials have emerged as promising candidates in nanotechnology due to their excellent physical, chemical, and electronic properties. However, they also pose challenges such as environmental instability and low biosafety. To address these issues, researchers have been exploring various surface functionalization methods to enhance the performance of 2D nanomaterials in practical applications. Moreover, when released into the environment, these 2D nanomaterials may interact with natural organic matter (NOM). Both intentional surface modification and unintentional environmental corona formation can alter the structure and physicochemical properties of 2D nanomaterials, potentially affecting their ecological toxicity. This review provides a comprehensive overview of covalent functionalization strategies and non-covalent interactions of 2D nanomaterials beyond graphene with organic substances, examining the resultant changes in material properties after modification. Covalent functionalization methods discussed include nucleophilic substitution reactions, addition reactions, condensation, and coordination. Non-covalent interactions are classified by substance type, covering interactions with NOM, in vivo biomolecules, and synthetic compounds. In addition, the review delves into the effects of surface functionalization on the toxicity of 2D nanomaterials to bacteria and algae. This discussion contributes to a foundational understanding for assessing the potential ecological risks associated with 2D nanomaterials.
{"title":"Surface functionalization of two-dimensional nanomaterials beyond graphene: Applications and ecotoxicity","authors":"Jin Zeng , Qing Zhao , Zhiqiang Xiong , Siyu Zhang , Shuo Deng , Daxu Liu , Xuejiao Zhang","doi":"10.1016/j.cis.2024.103357","DOIUrl":"10.1016/j.cis.2024.103357","url":null,"abstract":"<div><div>Two dimensional (2D) nanomaterials have emerged as promising candidates in nanotechnology due to their excellent physical, chemical, and electronic properties. However, they also pose challenges such as environmental instability and low biosafety. To address these issues, researchers have been exploring various surface functionalization methods to enhance the performance of 2D nanomaterials in practical applications. Moreover, when released into the environment, these 2D nanomaterials may interact with natural organic matter (NOM). Both intentional surface modification and unintentional environmental corona formation can alter the structure and physicochemical properties of 2D nanomaterials, potentially affecting their ecological toxicity. This review provides a comprehensive overview of covalent functionalization strategies and non-covalent interactions of 2D nanomaterials beyond graphene with organic substances, examining the resultant changes in material properties after modification. Covalent functionalization methods discussed include nucleophilic substitution reactions, addition reactions, condensation, and coordination. Non-covalent interactions are classified by substance type, covering interactions with NOM, in vivo biomolecules, and synthetic compounds. In addition, the review delves into the effects of surface functionalization on the toxicity of 2D nanomaterials to bacteria and algae. This discussion contributes to a foundational understanding for assessing the potential ecological risks associated with 2D nanomaterials.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"336 ","pages":"Article 103357"},"PeriodicalIF":15.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747142","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}
Pub Date : 2024-11-19DOI: 10.1016/j.cis.2024.103352
Peter-Ebuka Okafor, Chenbo He, Guihua Tang
•
Ceramic aerogels fabricated with nanofibers have recently emerged as a new class of aerogels with remarkable insulation performance and features such as robust mechanical performance, ultra-low density, remarkable flexibility, ultra-low thermal conductivity, thermal stability, ultra-high temperature resistance, and enhanced extinction coefficient. As a result, they are an excellent choice for emerging engineering applications where ultra-lightweight and load-bearing materials are simultaneously crucial for high-temperature thermal insulation. Recently, several research articles have been undertaken to design, model, and fabricate ceramic nanofibers and nanofibrous aerogels to meet these requirements. We present an in-depth review based on the most recent progress of this unique material for high-temperature thermal insulation. This article would be a timely review to disseminate the most recent factors, progress, applications, insights, and future prospects in thermal transport for ceramic nanofibers and aerogels, as well as a roadmap that shows the way forward in the field.
{"title":"A critical review of superinsulation performance of ceramic nanofibrous aerogel for extreme conditions: Modeling, fabrication, applications, and outlook","authors":"Peter-Ebuka Okafor, Chenbo He, Guihua Tang","doi":"10.1016/j.cis.2024.103352","DOIUrl":"10.1016/j.cis.2024.103352","url":null,"abstract":"<div><div><ul><li><span>•</span><span><div>Ceramic aerogels fabricated with nanofibers have recently emerged as a new class of aerogels with remarkable insulation performance and features such as robust mechanical performance, ultra-low density, remarkable flexibility, ultra-low thermal conductivity, thermal stability, ultra-high temperature resistance, and enhanced extinction coefficient. As a result, they are an excellent choice for emerging engineering applications where ultra-lightweight and load-bearing materials are simultaneously crucial for high-temperature thermal insulation. Recently, several research articles have been undertaken to design, model, and fabricate ceramic nanofibers and nanofibrous aerogels to meet these requirements. We present an in-depth review based on the most recent progress of this unique material for high-temperature thermal insulation. This article would be a timely review to disseminate the most recent factors, progress, applications, insights, and future prospects in thermal transport for ceramic nanofibers and aerogels, as well as a roadmap that shows the way forward in the field.</div></span></li></ul></div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"335 ","pages":"Article 103352"},"PeriodicalIF":15.9,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142703460","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}
Pub Date : 2024-11-17DOI: 10.1016/j.cis.2024.103343
Hongyi Chen , Yijian Cao , Cong Wang , Fude Tie , Wenqiang Dong , Mara Camaiti , Piero Baglioni
Bio-inspired superhydrophobic surfaces have demonstrated great potential for functional applications across a wide range of fields, including the surface maintenance of building materials. In the outdoor environment, the degradation of building materials, such as concretes, stones, bricks, tiles and mortars, poses severe structural, functional and aesthetic risks to the entire construction, raising growing concerns worldwide. Superhydrophobic surfaces are ideal multifunctional protective coatings, owing to the inhibition of liquid adhesion/penetration, spontaneous surface self-cleaning and hindering the adhesion of bacterial cells to surfaces. Yet, despite the appealing multi-functionalities and the large number of materials reported in recent years, several drawbacks that hamper wide production and application remain unresolved, e.g., poor chemical/mechanical/weathering durability, low transparency, insufficient antimicrobial effect in humid environments, toxic and environmentally unfriendly raw materials upon fabrication. In this review, the key bottlenecks identified after tentative applications are summarized underlying the underpinning mechanisms in depth. The newly proposed emerging strategies for addressing the specific limitations are then categorized and discussed in detail. Additionally, taking into account the physicochemical properties of building materials, the particular requirements concerning stone-built heritage conservation and the outdoor environment, the feasibility and the pros and cons of novel strategies are critically reviewed, outlining the future prospects of the field.
{"title":"Superhydrophobic surfaces for the sustainable maintenance of building materials and stone-built heritage: The challenges, opportunities and perspectives","authors":"Hongyi Chen , Yijian Cao , Cong Wang , Fude Tie , Wenqiang Dong , Mara Camaiti , Piero Baglioni","doi":"10.1016/j.cis.2024.103343","DOIUrl":"10.1016/j.cis.2024.103343","url":null,"abstract":"<div><div>Bio-inspired superhydrophobic surfaces have demonstrated great potential for functional applications across a wide range of fields, including the surface maintenance of building materials. In the outdoor environment, the degradation of building materials, such as concretes, stones, bricks, tiles and mortars, poses severe structural, functional and aesthetic risks to the entire construction, raising growing concerns worldwide. Superhydrophobic surfaces are ideal multifunctional protective coatings, owing to the inhibition of liquid adhesion/penetration, spontaneous surface self-cleaning and hindering the adhesion of bacterial cells to surfaces. Yet, despite the appealing multi-functionalities and the large number of materials reported in recent years, several drawbacks that hamper wide production and application remain unresolved, e.g., poor chemical/mechanical/weathering durability, low transparency, insufficient antimicrobial effect in humid environments, toxic and environmentally unfriendly raw materials upon fabrication. In this review, the key bottlenecks identified after tentative applications are summarized underlying the underpinning mechanisms in depth. The newly proposed emerging strategies for addressing the specific limitations are then categorized and discussed in detail. Additionally, taking into account the physicochemical properties of building materials, the particular requirements concerning stone-built heritage conservation and the outdoor environment, the feasibility and the pros and cons of novel strategies are critically reviewed, outlining the future prospects of the field.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"335 ","pages":"Article 103343"},"PeriodicalIF":15.9,"publicationDate":"2024-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142678033","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}
Pub Date : 2024-11-17DOI: 10.1016/j.cis.2024.103342
Xiaohui Niu , Yongqi Liu , Rui Zhao , Mei Yuan , Hongfang Zhao , Hongxia Li , Xing Yang , Kunjie Wang
Chirality is a common phenomenon in nature, including the dominance preference of small biomolecules, the special spatial conformation of biomolecules, and the biological and physiological processes triggered by chirality. The selective chiral recognition of molecules in nature from up-bottom or bottom-up is of great significance for living organisms. Such as the transcription of DNA, the recognition of membrane proteins, and the catalysis of enzymes all involve chiral recognition processes. The selective recognition between these macromolecules is mainly achieved through non covalent interactions such as hydrophobic interactions, ammonia bonding, electrostatic interactions, metal coordination, van der Waals forces, and π-π stacking. Researchers have been committed to studying how to convert this weak non covalent interaction into macroscopic visualization, which has further understood of the interactions between chiral molecules and is of great significance for simulating the interactions between molecules in living organisms. This article reviews several models of chiral recognition mechanisms, the interaction forces involved in the chiral recognition process, and the research progress of chiral recognition mechanisms. The outlook in this review points out that studying chiral recognition interactions provides an important bridge between chiral materials and the life sciences, providing an ideal platform for studying chiral phenomena in biological systems.
手性是自然界的一种普遍现象，包括小生物分子的优势偏好、生物分子的特殊空间构象以及由手性引发的生物和生理过程。自然界中分子自上而下或自下而上的选择性手性识别对生物体具有重要意义。如 DNA 的转录、膜蛋白的识别和酶的催化都涉及手性识别过程。这些大分子之间的选择性识别主要是通过疏水作用、氨键、静电作用、金属配位、范德华力和π-π堆积等非共价相互作用实现的。研究人员一直致力于研究如何将这种微弱的非共价相互作用转化为宏观可视化，从而进一步了解手性分子之间的相互作用，并对模拟生物体内分子之间的相互作用具有重要意义。本文综述了手性识别机制的几种模型、手性识别过程中的相互作用力以及手性识别机制的研究进展。综述指出，研究手性识别相互作用是连接手性材料与生命科学的重要桥梁，为研究生物系统中的手性现象提供了一个理想的平台。
{"title":"Mechanisms for translating chiral enantiomers separation research into macroscopic visualization","authors":"Xiaohui Niu , Yongqi Liu , Rui Zhao , Mei Yuan , Hongfang Zhao , Hongxia Li , Xing Yang , Kunjie Wang","doi":"10.1016/j.cis.2024.103342","DOIUrl":"10.1016/j.cis.2024.103342","url":null,"abstract":"<div><div>Chirality is a common phenomenon in nature, including the dominance preference of small biomolecules, the special spatial conformation of biomolecules, and the biological and physiological processes triggered by chirality. The selective chiral recognition of molecules in nature from up-bottom or bottom-up is of great significance for living organisms. Such as the transcription of DNA, the recognition of membrane proteins, and the catalysis of enzymes all involve chiral recognition processes. The selective recognition between these macromolecules is mainly achieved through non covalent interactions such as hydrophobic interactions, ammonia bonding, electrostatic interactions, metal coordination, van der Waals forces, and π-π stacking. Researchers have been committed to studying how to convert this weak non covalent interaction into macroscopic visualization, which has further understood of the interactions between chiral molecules and is of great significance for simulating the interactions between molecules in living organisms. This article reviews several models of chiral recognition mechanisms, the interaction forces involved in the chiral recognition process, and the research progress of chiral recognition mechanisms. The outlook in this review points out that studying chiral recognition interactions provides an important bridge between chiral materials and the life sciences, providing an ideal platform for studying chiral phenomena in biological systems.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"335 ","pages":"Article 103342"},"PeriodicalIF":15.9,"publicationDate":"2024-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142678031","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}
Pub Date : 2024-11-17DOI: 10.1016/j.cis.2024.103351
Patrycja S. Bednarek , Jan Zawala , Przemyslaw B. Kowalczuk
Flotation, as a beneficiation process, stands as a foundation in mineral and metal production, handling approximately 70–80 % of the world's exploited ore annually. However, numerous challenges emerge prior to beneficiation, such as the declining quality of ore, necessitating further liberation. This deterioration results in higher energy, water, and reagent consumption. A froth flotation chemicals market analysis reveals an anticipated growth of around 30 % in the next five years, signaling a concerning trend due to the frequent toxicity associated with these chemicals. With increasingly stringent environmental regulations, there is a pressing need to explore more sustainable and non-toxic solutions. Polymers play a significant role in mineral processing as either depressants, flocculants or dispersants. The potential of natural green polymers in these capacities is actively being studied. This review delves into the relatively novel use of polymers as collectors, examining their performance and adsorption mechanisms. Among the papers reviewed, collectors formulations based on either natural or synthetic non-toxic polymers have emerged as environmentally friendly alternatives to traditional collectors. The utilization of polymers opens possibilities for creating nanoparticles, conventional polymers, temperature-responsive polymers and block copolymers with functionalities tailored for specific separation processes. These polymers have shown promising results, achieving recoveries and grades comparable to or better than conventional collectors. Additionally, they could address the challenge of declining ore quality, effectively handling finely ground particles and slimes. Properties such as those in temperature-responsive polymers can be used not only to induce hydrophobicity but also to allow the recycling of the collector for future applications.
{"title":"Polymer-based collectors in flotation: A review","authors":"Patrycja S. Bednarek , Jan Zawala , Przemyslaw B. Kowalczuk","doi":"10.1016/j.cis.2024.103351","DOIUrl":"10.1016/j.cis.2024.103351","url":null,"abstract":"<div><div>Flotation, as a beneficiation process, stands as a foundation in mineral and metal production, handling approximately 70–80 % of the world's exploited ore annually. However, numerous challenges emerge prior to beneficiation, such as the declining quality of ore, necessitating further liberation. This deterioration results in higher energy, water, and reagent consumption. A froth flotation chemicals market analysis reveals an anticipated growth of around 30 % in the next five years, signaling a concerning trend due to the frequent toxicity associated with these chemicals. With increasingly stringent environmental regulations, there is a pressing need to explore more sustainable and non-toxic solutions. Polymers play a significant role in mineral processing as either depressants, flocculants or dispersants. The potential of natural green polymers in these capacities is actively being studied. This review delves into the relatively novel use of polymers as collectors, examining their performance and adsorption mechanisms. Among the papers reviewed, collectors formulations based on either natural or synthetic non-toxic polymers have emerged as environmentally friendly alternatives to traditional collectors. The utilization of polymers opens possibilities for creating nanoparticles, conventional polymers, temperature-responsive polymers and block copolymers with functionalities tailored for specific separation processes. These polymers have shown promising results, achieving recoveries and grades comparable to or better than conventional collectors. Additionally, they could address the challenge of declining ore quality, effectively handling finely ground particles and slimes. Properties such as those in temperature-responsive polymers can be used not only to induce hydrophobicity but also to allow the recycling of the collector for future applications.</div></div>","PeriodicalId":239,"journal":{"name":"Advances in Colloid and Interface Science","volume":"335 ","pages":"Article 103351"},"PeriodicalIF":15.9,"publicationDate":"2024-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142683689","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}
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