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Colloids and Interfaces
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Colloids and Interfaces

A special issue of Macromol (ISSN 2673-6209).

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 9910

Special Issue Editor

Dr. Leyre Pérez-Álvarez

E-Mail Website
Guest Editor
Innovative Macromolecular Materials Group (Imacromat), Department of Physical Chemistry, Faculty of Science and Technology, University of the Basque Country, UPV/EHU, Barrio Sarriena, s/n, 48940 Leioa, Spain
Interests: polymer science; surfaces; hydrogels; nanogels
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Colloids and interfacial science is a broad, interdisciplinary and important area of knowledge that plays a key role in fundamental and applied sciences. This field is of crucial importance in chemistry, physics, and biology, and consequently, it is the origin of the main phenomena that surround us in our daily life. This explains its increasing applicability on a wide range of different fields such as biomedicine, materials science, microfluidic, and industrial areas, such as cosmetics, food or pharmacy. Colloids conglomerate a wide variety of complex systems, from emulsions/microemulsions, aerosols, foams, and nanoparticle dispersions to biosystems, in which the role and the interactions at the interfaces govern the properties and final behavior of the system.

The aim of this Special Issue is to serve as a compilation of works focused on novel and advanced properties and applications of colloidal systems, surfaces, and interfaces to the development of smart and functional materials and nanomaterials, in chemistry, biology, medicine, food, pharmacy, cosmetics, energy storage, and environmental technologies.

Dr. Leyre Pérez-Álvarez
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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. Macromol is an international peer-reviewed open access quarterly 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 1000 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

  • Colloidal materials
  • Nanomaterials
  • Nanoparticles
  • Nanostructured surfaces
  • Self-Assembly
  • Adsorption
  • Interfacial processes

Published Papers (2 papers)

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Research

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20 pages, 2761 KiB  
Article
Super-Adsorbent Hydrogels for Removal of Methylene Blue from Aqueous Solution: Dye Adsorption Isotherms, Kinetics, and Thermodynamic Properties
by Buddhabhushan Salunkhe and Thomas P. Schuman
Macromol 2021, 1(4), 256-275; https://doi.org/10.3390/macromol1040018 - 19 Nov 2021
Cited by 16 | Viewed by 6382
Abstract
Removal of dyes through adsorption from wastewater has gained substantial interest in recent years, especially in development of hydrogel based adsorbents, owing to their easy use and economical nature. The aim of the present study was to design a super-adsorbent hydrogel based on [...] Read more.
Removal of dyes through adsorption from wastewater has gained substantial interest in recent years, especially in development of hydrogel based adsorbents, owing to their easy use and economical nature. The aim of the present study was to design a super-adsorbent hydrogel based on sodium styrenesulfonate (NaSS) monomer for removal of dyes like methylene blue (MB). NaSS displays both an aromatic ring and strongly ionic group in its monomer structure that can enhance adsorption capacity. Poly(sodium styrenesulfonate-co-dimethylacrylamide) hydrogels were prepared by solution free radical polymerization using gelatin methacryloyl (GelMA) as crosslinker, creating a highly porous, three-dimensionally crosslinked polymer network contributing to higher swelling ratios of up to 27,500%. These super-adsorbent hydrogels exhibited high adsorption capacity of 1270 mg/g for MB adsorption with above 98% removal efficiency. This is the first report for such a high adsorption capacity for dye absorbance for NaSS-based hydrogels. Additionally, the adsorption kinetics using a pseudo-first-order and the Freundlich adsorption isotherm models for multilayer, heterogeneous adsorption processes has been reported. The adsorbents’ reusability was confirmed through 4 repeated cycles of desorption-adsorption. The results discussed herein illustrate that NaSS based chemistries can be used as an efficient option for removal of organic dyes from contaminated wastewater. Full article
(This article belongs to the Special Issue Colloids and Interfaces)
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Review

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10 pages, 880 KiB  
Review
Nanometric Hydroxyapatite Particles as Active Ingredient for Bioinks: A Review
by Edilberto Ojeda, África García-Barrientos, Nagore Martínez de Cestafe, José María Alonso, Raúl Pérez-González and Virginia Sáez-Martínez
Macromol 2022, 2(1), 20-29; https://doi.org/10.3390/macromol2010002 - 04 Jan 2022
Cited by 3 | Viewed by 2796
Abstract
Additive manufacturing (AM), frequently cited as three-dimensional (3D) printing, is a relatively new manufacturing technique for biofabrication, also called 3D manufacture with biomaterials and cells. Recent advances in this field will facilitate further improvement of personalized healthcare solutions. In this regard, tailoring several [...] Read more.
Additive manufacturing (AM), frequently cited as three-dimensional (3D) printing, is a relatively new manufacturing technique for biofabrication, also called 3D manufacture with biomaterials and cells. Recent advances in this field will facilitate further improvement of personalized healthcare solutions. In this regard, tailoring several healthcare products such as implants, prosthetics, and in vitro models, would have been extraordinarily arduous beyond these technologies. Three-dimensional-printed structures with a multiscale porosity are very interesting manufacturing processes in order to boost the capability of composite scaffolds to generate bone tissue. The use of biomimetic hydroxyapatite as the main active ingredient for bioinks is a helpful approach to obtain these advanced materials. Thus, 3D-printed biomimetic composite designs may produce supplementary biological and physical benefits. Three-dimensional bioprinting may turn to be a bright solution for regeneration of bone tissue as it enables a proper spatio-temporal organization of cells in scaffolds. Different types of bioprinting technologies and essential parameters which rule the applicability of bioinks are discussed in this review. Special focus is made on hydroxyapatite as an active ingredient for bioinks design. The goal of such bioinks is to reduce the constraints of commonly applied treatments by enhancing osteoinduction and osteoconduction, which seems to be exceptionally promising for bone regeneration. Full article
(This article belongs to the Special Issue Colloids and Interfaces)
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