Adhesion of colloids and bacteria to various surfaces is important for a variety of environmental phenomena including microbial biofouling and contamination prevention. Under saturated conditions, both colloids and bacteria have the opportunity to attach to porous medium surfaces. Under water unsaturated conditions or in the presence of the air-water interface, besides the porous medium surfaces, colloids and bacteria can also attach to the air-water interface, including the air-water-solid threephase interface. The magnitudes of adhesion of colloids and bacteria are correlated to the interactions of the colloids and bacteria with the surfaces, which are a function of their surface physicochemical properties. In this review, adhesion theories are revisited and adhesion of colloids and bacteria to porous media and the air-water interface is discussed. The interaction forces are quantified using various theoretical models including the DLVO models and used to interpret related adhesion. The impact of surfactants on colloid and bacterial adhesion is also discussed. The review also includes the implementation of the adhesion theory in interpreting colloid and bacterial fate and transport in the subsurface soil.
{"title":"Adhesion of Colloids and Bacteria to Porous Media: A Critical Review","authors":"Runwei Li, Changfu Wei, Hefa Cheng, Gang Chen","doi":"10.7569/raa.2019.097314","DOIUrl":"https://doi.org/10.7569/raa.2019.097314","url":null,"abstract":"Adhesion of colloids and bacteria to various surfaces is important for a variety of environmental phenomena including microbial biofouling and contamination prevention. Under saturated conditions, both colloids and bacteria have the opportunity to attach to porous medium surfaces. Under\u0000 water unsaturated conditions or in the presence of the air-water interface, besides the porous medium surfaces, colloids and bacteria can also attach to the air-water interface, including the air-water-solid threephase interface. The magnitudes of adhesion of colloids and bacteria are correlated\u0000 to the interactions of the colloids and bacteria with the surfaces, which are a function of their surface physicochemical properties. In this review, adhesion theories are revisited and adhesion of colloids and bacteria to porous media and the air-water interface is discussed. The interaction\u0000 forces are quantified using various theoretical models including the DLVO models and used to interpret related adhesion. The impact of surfactants on colloid and bacterial adhesion is also discussed. The review also includes the implementation of the adhesion theory in interpreting colloid\u0000 and bacterial fate and transport in the subsurface soil.","PeriodicalId":43792,"journal":{"name":"Reviews of Adhesion and Adhesives","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42078924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alina Peethan, V. K. Unnikrishnan, S. Chidangil, S. George
The control of ubiquitous wetting behavior that is determined by the surface free energy of the solid and the surface tension of the interacting liquid is an area of intense research, largely due to its applications in various sectors, ranging from healthcare to automotive industry. The failure and/or toxic nature of the conventionally employed chemical methods to engineer the surface free energy of solids paved the way for utilizing alternative techniques such as laser-based physical texturing of the surface to achieve the desired wettability behavior. This review provides insight into the implementation of lasers to engineer the surfaces of various kinds of materials and how the surface engineering manipulates their wetting characteristics based on the state of the art knowledge of the field. Various theories that explain the wetting behavior of droplets on the surfaces of homogeneous, heterogeneous, and complex structures are discussed with a special emphasis on the role of surface roughness. Further, the article focuses on the lasermatter interaction at different time scales and modification of the surfaces with different kinds of lasers (nano, pico, and femtosecond laser) and their applications. A critical analysis of the effects of experimental parameters such as laser fluence, repetition rate, laser wavelength, inter-pattern spacing on the experimentally observed wetting behavior in the recent literature is also presented. Emerging applications of laser structured surfaces in various fields, including biomedical, water harvesting, anti-bacterial, spectroscopic analysis, oil/water separation, etc. are discussed in detail.
{"title":"Laser-Assisted Tailoring of Surface Wettability - Fundamentals and Applications: A Critical Review","authors":"Alina Peethan, V. K. Unnikrishnan, S. Chidangil, S. George","doi":"10.7569/raa.2019.097312","DOIUrl":"https://doi.org/10.7569/raa.2019.097312","url":null,"abstract":"The control of ubiquitous wetting behavior that is determined by the surface free energy of the solid and the surface tension of the interacting liquid is an area of intense research, largely due to its applications in various sectors, ranging from healthcare to automotive industry.\u0000 The failure and/or toxic nature of the conventionally employed chemical methods to engineer the surface free energy of solids paved the way for utilizing alternative techniques such as laser-based physical texturing of the surface to achieve the desired wettability behavior. This review provides\u0000 insight into the implementation of lasers to engineer the surfaces of various kinds of materials and how the surface engineering manipulates their wetting characteristics based on the state of the art knowledge of the field. Various theories that explain the wetting behavior of droplets on\u0000 the surfaces of homogeneous, heterogeneous, and complex structures are discussed with a special emphasis on the role of surface roughness. Further, the article focuses on the lasermatter interaction at different time scales and modification of the surfaces with different kinds of lasers (nano,\u0000 pico, and femtosecond laser) and their applications. A critical analysis of the effects of experimental parameters such as laser fluence, repetition rate, laser wavelength, inter-pattern spacing on the experimentally observed wetting behavior in the recent literature is also presented. Emerging\u0000 applications of laser structured surfaces in various fields, including biomedical, water harvesting, anti-bacterial, spectroscopic analysis, oil/water separation, etc. are discussed in detail.","PeriodicalId":43792,"journal":{"name":"Reviews of Adhesion and Adhesives","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48625460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Plasma Oxidation of Polyolefins - Course of O/C Ratio from Unmodified Bulk to Surface and Finally to CO2 in the Gas Phase: A Critical Review","authors":"J. Friedrich, M. Jabłońska, G. Hidde","doi":"10.7569/raa.2019.097309","DOIUrl":"https://doi.org/10.7569/raa.2019.097309","url":null,"abstract":"","PeriodicalId":43792,"journal":{"name":"Reviews of Adhesion and Adhesives","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46225099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Procedures for the Characterization of Wettability and Surface Free Energy of Textiles - Use, Abuse, Misuse and Proper Use: A Critical Review","authors":"T. Bahners, J. Gutmann","doi":"10.7569/raa.2019.097310","DOIUrl":"https://doi.org/10.7569/raa.2019.097310","url":null,"abstract":"","PeriodicalId":43792,"journal":{"name":"Reviews of Adhesion and Adhesives","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47200679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Bioadhesive Nanoformulations—Concepts and Preclinical Studies: A Critical Review","authors":"M. Joshi, R. Shankar, K. Pathak","doi":"10.7569/raa.2019.097311","DOIUrl":"https://doi.org/10.7569/raa.2019.097311","url":null,"abstract":"","PeriodicalId":43792,"journal":{"name":"Reviews of Adhesion and Adhesives","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46455334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Non-wettable surfaces have recently attracted significant attention due to their enormous promising applications. These applications are primarily due to their ability to repel liquid drops and remain unwetted. In this review, the various names used in describing non-wettable surfaces are given. This is followed by the fundamental theories of wetting. Natural non-wettable surfaces are then considered, along with their importance. Thereafter, we discuss how artificial non-wettable (biomimetic) surfaces are prepared. Next, the basic properties of non-wettable surfaces, which make them promising candidates for a wide range of applications, are discussed. Furthermore, the various applications of non-wettable surfaces are discussed, with references made to review articles with specific coverage of named applications. We conclude with a summary, challenges limiting the application of non-wettable surfaces to some real-life situations and possible suggestions to mitigate them as well as opportunities for future work.
{"title":"Non-Wettable Surfaces – From Natural to Artificial and Applications: A Critical Review","authors":"A. T. Tyowua, M. Targema, E. E. Ubuo","doi":"10.7569/RAA.2019.097308","DOIUrl":"https://doi.org/10.7569/RAA.2019.097308","url":null,"abstract":"Non-wettable surfaces have recently attracted significant attention due to their enormous promising applications. These applications are primarily due to their ability to repel liquid drops and remain unwetted. In this review, the various names used in describing non-wettable surfaces\u0000 are given. This is followed by the fundamental theories of wetting. Natural non-wettable surfaces are then considered, along with their importance. Thereafter, we discuss how artificial non-wettable (biomimetic) surfaces are prepared. Next, the basic properties of non-wettable surfaces, which\u0000 make them promising candidates for a wide range of applications, are discussed. Furthermore, the various applications of non-wettable surfaces are discussed, with references made to review articles with specific coverage of named applications. We conclude with a summary, challenges limiting\u0000 the application of non-wettable surfaces to some real-life situations and possible suggestions to mitigate them as well as opportunities for future work.","PeriodicalId":43792,"journal":{"name":"Reviews of Adhesion and Adhesives","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46479325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
With recent developments in nanotechnology, nanocomposite adhesives offer numerous advantages compared to conventional adhesive materials. Moreover, with the emergence of commercial nanomaterials such as: Nanoclays (NCs), Carbon nanotubes (CNTs), Nanosilica (NS), Polyhedral oligomeric silsesquioxanes (POSS), Tungsten disulfide (WS2) Fullerenes and Nanotubes, and Graphene nanoparticles (GNPs), new potential routes have been opened to tailor adhesives in the nanoscale range. This update will review and analyze the unique fracture mechanisms and the resultant properties of various nanocomposite adhesives based on epoxies, polyurethanes, silicones, polyimides and acrylics containing: NCs, CNTs, NS, POSS, WS2 and GNPs and their current and potential applications.
{"title":"Nanocomposite Polymer Adhesives: A Critical Review","authors":"S. Kenig, H. Dodiuk, G. Otorgust, S. Gomid","doi":"10.7569/RAA.2019.097306","DOIUrl":"https://doi.org/10.7569/RAA.2019.097306","url":null,"abstract":"With recent developments in nanotechnology, nanocomposite adhesives offer numerous advantages compared to conventional adhesive materials. Moreover, with the emergence of commercial nanomaterials such as: Nanoclays (NCs), Carbon nanotubes (CNTs), Nanosilica (NS), Polyhedral oligomeric\u0000 silsesquioxanes (POSS), Tungsten disulfide (WS2) Fullerenes and Nanotubes, and Graphene nanoparticles (GNPs), new potential routes have been opened to tailor adhesives in the nanoscale range. This update will review and analyze the unique fracture mechanisms and the resultant properties\u0000 of various nanocomposite adhesives based on epoxies, polyurethanes, silicones, polyimides and acrylics containing: NCs, CNTs, NS, POSS, WS2 and GNPs and their current and potential applications.","PeriodicalId":43792,"journal":{"name":"Reviews of Adhesion and Adhesives","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41292127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E. S. Srinadhu, R. Shyam, J. Kumar, D. P. Thanu, Mingrui Zhao, M. Keswani
Polymers are widely used in different types of industries ranging from microelectronics, medical to space applications. However, polymer materials are seldom used in their pristine state and are in need of selective surface treatment to induce a specific response which is a challenging and complex task. Adhesion enhancement of polymers is one of the major requirements that can be achieved with ion beam technology at low cost. Surface enhancement involves keeping the bulk properties of materials unchanged and modifying only the surface properties to achieve optimum results. In this review, we illustrate the use of ion beam technology to modify the surface properties of polymers for potential biomedical and microelectronics applications. This review focuses on effects on the adhesion characteristics for different polymer materials of various optimizable parameters such as type of ion used, ion energy regime (low to medium to high) and the ion fluence range.
{"title":"Adhesion Enhancement of Polymer Surfaces by Ion Beam Treatment: A Critical Review","authors":"E. S. Srinadhu, R. Shyam, J. Kumar, D. P. Thanu, Mingrui Zhao, M. Keswani","doi":"10.7569/RAA.2019.097307","DOIUrl":"https://doi.org/10.7569/RAA.2019.097307","url":null,"abstract":"Polymers are widely used in different types of industries ranging from microelectronics, medical to space applications. However, polymer materials are seldom used in their pristine state and are in need of selective surface treatment to induce a specific response which is a challenging\u0000 and complex task. Adhesion enhancement of polymers is one of the major requirements that can be achieved with ion beam technology at low cost. Surface enhancement involves keeping the bulk properties of materials unchanged and modifying only the surface properties to achieve optimum results.\u0000 In this review, we illustrate the use of ion beam technology to modify the surface properties of polymers for potential biomedical and microelectronics applications. This review focuses on effects on the adhesion characteristics for different polymer materials of various optimizable parameters\u0000 such as type of ion used, ion energy regime (low to medium to high) and the ion fluence range.","PeriodicalId":43792,"journal":{"name":"Reviews of Adhesion and Adhesives","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41922002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Chitosan-Catechol Conjugates–A Novel Class of Bioadhesive Polymers: A Critical Review","authors":"Loveleen Kaur, I. Singh","doi":"10.7569/RAA.2019.097301","DOIUrl":"https://doi.org/10.7569/RAA.2019.097301","url":null,"abstract":"","PeriodicalId":43792,"journal":{"name":"Reviews of Adhesion and Adhesives","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48693072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E. Orgilés-Calpena, F. Arán-Ais, A. Torró-Palau, Miguel Sánchez
{"title":"Adhesives in the Footwear Industry: A Critical Review","authors":"E. Orgilés-Calpena, F. Arán-Ais, A. Torró-Palau, Miguel Sánchez","doi":"10.7569/RAA.2019.097303","DOIUrl":"https://doi.org/10.7569/RAA.2019.097303","url":null,"abstract":"","PeriodicalId":43792,"journal":{"name":"Reviews of Adhesion and Adhesives","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44223083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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