Fluid Interfaces in Colloidal Systems: Aerosols, Foams, and Emulsions

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Liquid–Fluid Coatings, Surfaces and Interfaces".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 5315

Special Issue Editors


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Guest Editor
School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02134, USA
Interests: biointerfaces; biophysical transport; interfacial fluid mechanics; stability of fluid interfaces; interfacial rheology

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Guest Editor
Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Naples, Italy
Interests: polymeric foams

Special Issue Information

Dear Colleagues,

Recent years have seen significant advances in the science of fluid interfaces in colloidal systems spurred by modern demands from industrial-scale machinery, sophisticated manufacturing techniques, human health and precision theranostics. Theoretical, computational and experimental advances have vastly improved our understanding of many important aspects, including aerosol generation during respiratory illnesses, the interfacial rheology of fluid interfaces with biomolecules, the rupture mechanics of polymeric films, terminal drainage characteristics of aqueous foam films and the stability of non-aqueous foams and emulsions. This Special Issue serves to document these advances and support future research in this area by compiling relevant articles and reviews on this topic.

The scope of this Special Issue includes but is not limited to the following concepts:

  • Theoretical, computational and experimental research on the role of aerosol generation and stability, particularly in the context of communicable diseases such as COVID-19.
  • Advances in the interfacial physics of microbubbles and emulsions used for theranostics, such as the stability and dynamics of ultrasound contrast agents.
  • Developments in the understanding of non-aqueous foam stabilization and destabilization mechanisms.
  • Theoretical and experimental research on the terminal film-thinning dynamics of foams and emulsion films, particularly under the influence of structural forces.
  • Drainage, stability and interfacial rheology of biointerfaces such as protein- and lipid-laden fluid interfaces.
  • Stability and rupture mechanics of polymeric foams and emulsion films.

Dr. Vineeth ‘Vinny’ Chandran Suja
Prof. Dr. Ernesto Di Maio
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Coatings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • respiratory aerosols
  • biointerfaces
  • polymeric foams
  • theranostic microbubbles
  • non-aqueous foams and emulsions
  • antifoaming

Published Papers (2 papers)

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Research

20 pages, 4740 KiB  
Article
Adsorption Capacity of Tetracycline in Solution by Cu-BTC@Carboxyl-Functionalized Carbon Nanotubes@Copper Alginate Composite Aerogel Beads
by Yang Zhang, Yanhui Li, Mingzhen Wang, Bing Chen, Yaohui Sun, Kewei Chen and Qiujv Du
Coatings 2022, 12(9), 1298; https://doi.org/10.3390/coatings12091298 - 3 Sep 2022
Cited by 8 | Viewed by 1942
Abstract
In order to remove tetracycline (TC) from sewage more effectively, the adsorption performance of TC on alginate composite aerogel beads containing carbon nanomaterials was studied systematically. Carboxylated functionalized carbon nanotubes (F-CNTs)@Cu-based metal-organic framework (Cu-BTC) carbon nanomaterial composites (F-C) were prepared by a hydrothermal [...] Read more.
In order to remove tetracycline (TC) from sewage more effectively, the adsorption performance of TC on alginate composite aerogel beads containing carbon nanomaterials was studied systematically. Carboxylated functionalized carbon nanotubes (F-CNTs)@Cu-based metal-organic framework (Cu-BTC) carbon nanomaterial composites (F-C) were prepared by a hydrothermal method, and the F-C powders were coated and fixed by macromolecular polymer copper alginate (CA). Then, F-CNTs@Cu-BTC@CA composite aerogel beads (F-C-CA) were prepared by a vacuum freeze-drying method. The new composite was characterized by BET, SEM, FTIR, and TGA, and its physical and chemical properties were analyzed. The results of batch adsorption experiments showed that F-C-CA aerogel beads had excellent adsorption capacity for TC. At 303 K, 10 mg F-C-CA aerogel beads adsorbed 20 mL 100 mg·L−1 TC solution; the removal rate reached 94% after 48 h. After kinetic analysis, the adsorption process of F-C-CA on TC was found to be more coherent with the pseudo-second-order kinetic model (chemisorption process). The isotherm fitting analysis indicated that the adsorption behavior was more suitable to the Langmuir model (monolayer adsorption), and the fitted maximum adsorption was 297 mg·g−1. Full article
(This article belongs to the Special Issue Fluid Interfaces in Colloidal Systems: Aerosols, Foams, and Emulsions)
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18 pages, 3360 KiB  
Article
Development of Plant Fibre Foam and Study of Its Thermal Insulation Properties
by Jiantong Qiao, Haoyuan Li, Jiahe Tu, Xinyu Li, Lin Luo, Qingchun Wang and Zhongjia Chen
Coatings 2022, 12(9), 1256; https://doi.org/10.3390/coatings12091256 - 27 Aug 2022
Cited by 2 | Viewed by 2780
Abstract
At present, the research and production of green fiber materials that replace plastics are becoming the consistent proposition of all countries that pay attention to environmental protection. In order to improve the thermal insulation properties of forest plant-based foams, which are low-cost and [...] Read more.
At present, the research and production of green fiber materials that replace plastics are becoming the consistent proposition of all countries that pay attention to environmental protection. In order to improve the thermal insulation properties of forest plant-based foams, which are low-cost and non-polluting, this paper explores the preparation of forest plant-based foams and the determination of their thermal insulation properties. Firstly, based on the three-factor orthogonal experimental method, variables such as the ratio of materials that may affect the foaming rate and the size of the mould were designed, and the influence of these variables on the foaming rate of the material was analysed. Then, for the samples obtained, slices were made and the thermal conductivity of the sample was measured by the hot plate method, and finally, for the measurement results, the influence of the foaming rate on the thermal conductivity was analysed by non-linear regression, and the regression equation between the two. The results show that the size of the mould has the greatest influence on the foaming rate out of all the independent variables influencing the results. At a foaming rate of 19.8%, the thermal conductivity of the material was the lowest and the material had the best thermal insulation effect. Full article
(This article belongs to the Special Issue Fluid Interfaces in Colloidal Systems: Aerosols, Foams, and Emulsions)
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