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Sustainability
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Sustainable Application of Biomass-Based Composite Hydrogels
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Sustainable Application of Biomass-Based Composite Hydrogels

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Materials".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 5698

Special Issue Editors

Dr. Xiongfei Zhang

E-Mail Website
Guest Editor
College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
Interests: biomass; ionic hydrogels; water treatment; adsoption; polysaccharide
Special Issues, Collections and Topics in MDPI journals
Dr. Jianhao Qiu

E-Mail Website
Guest Editor
College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
Interests: bio-polymers; photocatalytic materials for energy and environmental applications; water treatment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Hydrogels, which are physically or chemically cross-linked polymer network imbibed with water, has attracted enormous attention in the fields of tissue engineering , environmental remediation, electrochemical devices and energy storage. Recently, biomass (natural polymer)-based hydrogels have attracted widespread attention due to earth abundance and sustainability and structural tunability.

This Special Issue is a thorough collection of articles dealing with the preapration, and application of biomass-based hydrogels of which the authors show the processes, and mechanisms of hydrogel formation, and diverse applications of biomass hydrogels. Composite hydrogels containing synthetic polymers, inorganic particles and ionic liquids can also be included within the scope of the Special Issue. The publication of original research articles, rapid communications and reviews in this Special Issue will make an important contribution to the fundamental and advanced research into biomass-based hydrogels.

Dr. Xiongfei Zhang
Dr. Jianhao Qiu
Guest Editors

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. Sustainability is an international peer-reviewed open access semimonthly 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 2400 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

  • hydrogels
  • biomass
  • natural polymer
  • multi-function
  • cellulose-based hydrogels

Published Papers (2 papers)

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Research

11 pages, 2169 KiB  
Article
Immobilization of UiO-66-NH2 into Bacterial Cellulose Aerogels for Efficient Particulate Matter Filtration
by Qihang Dai, Ju Liu, Junjie Zheng and Bo Fu
Sustainability 2023, 15(18), 13382; https://doi.org/10.3390/su151813382 - 7 Sep 2023
Cited by 2 | Viewed by 1622
Abstract
Metal–organic frameworks (MOFs) hold great potential for efficient removal of particulate matter (PM) due to their high porosity and tunable surface groups. In this work, sustainable bacterial cellulose (BC) was employed as a substrate for Zr-based MOF (i.e., UiO-66-NH2) deposition. Specifically, [...] Read more.
Metal–organic frameworks (MOFs) hold great potential for efficient removal of particulate matter (PM) due to their high porosity and tunable surface groups. In this work, sustainable bacterial cellulose (BC) was employed as a substrate for Zr-based MOF (i.e., UiO-66-NH2) deposition. Specifically, the UiO-66-NH2@BC aerogel exhibits a multi-level pore structure with a specific surface area of 103 m2/g. Pristine BC aerogels indicated a removal efficiency of 50.6% for PM2.5, with a pressure drop of 22.8 Pa. While UiO-66-NH2@BC aerogels showed a PM2.5 removal efficiency of 96.9%. The filtration mechanism can be assigned to the following reasons: (i) the interception/impaction of PM with the fibrous and porous aerogel network; and (ii) the presence of polar amine groups that boost electrostatic interactions between PM and MOFs. Moreover, as-prepared filters can be regenerated in a facile way with good reusability and long-term stability. Full article
(This article belongs to the Special Issue Sustainable Application of Biomass-Based Composite Hydrogels)
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21 pages, 7079 KiB  
Article
Sustainable Use of Extracts of Some Plants Growing in Ethiopia for the Formulation of Herbal Shampoo and Its Antimicrobial Evaluation
by Yakob Godebo Godeto, Rakesh Kumar Bachheti, Archana Bachheti, Seema Saini, Saikh M. Wabaidur, Abdallah A. A. Mohammed, Ivan Širić, Pankaj Kumar, Sami Abou Fayssal and Nishant Rai
Sustainability 2023, 15(4), 3189; https://doi.org/10.3390/su15043189 - 9 Feb 2023
Cited by 7 | Viewed by 3694
Abstract
Shampoo prepares surfactants to remove dirt, surface grease, and skin debris from hair, shaft, and scalp without harming the user. This study aimed to formulate herbal shampoo using Ethiopian plant extracts and evaluate their quality parameters. Herbal shampoos were formulated using seed oil [...] Read more.
Shampoo prepares surfactants to remove dirt, surface grease, and skin debris from hair, shaft, and scalp without harming the user. This study aimed to formulate herbal shampoo using Ethiopian plant extracts and evaluate their quality parameters. Herbal shampoos were formulated using seed oil extracts of Lepidium sativum L. and Ricinus communis L., and essential oil extracts of Lippia adeonsis Hochst ex. Walp koseret, along with other ingredients. The formulated herbal shampoos were evaluated for their organoleptic and physicochemical properties such as pH, surface tension, viscosity, dirt dispersion, antimicrobial activities, and stability. When the investigation data were assessed, the formulations were pleasant and attractive, produced sufficient foam, and showed suitable cleansing activities. The pH values were in a range 5.90 ± 0.22–7.45 ± 0.19, and lower surface tension (23.39 ± 0.20–31.89 ± 1.04 dyne/cm) together with acceptable viscosity with good shearing properties were obtained. The formulated products exhibited good antimicrobial activities against Escherichia coli, Staphylococcus aureus, and Aspergillus niger. When the surface morphologies of hair samples were examined using a scanning electron microscope (SEM), a clean and smooth surface was observed for treated samples, comparable to that of the marketed shampoo. This result indicated that the formulated herbal shampoo is good, having acceptable properties at par with commercially available shampoos. However, further investigation, research, and development are required to improve its quality and safety. Full article
(This article belongs to the Special Issue Sustainable Application of Biomass-Based Composite Hydrogels)
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