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Emerging Applications of Nanomaterials Derived from Biomacromolecules
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Emerging Applications of Nanomaterials Derived from Biomacromolecules

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (15 May 2023) | Viewed by 4709

Special Issue Editors

Dr. Yixiang Wang

E-Mail Website
Guest Editor
Department of Food Science and Agricultural Chemistry, McGill University, Ste Anne de Bellevue, QC H9X 3V9, Canada
Interests: natural polymers; active packaging; intelligent packaging; nanotechnology; biodegradable materials; functional food
Prof. Dr. Guang Yang

E-Mail Website
Guest Editor
Department of Biomedical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: medical materials; drug carriers; optoelectronic materials; nanomaterial assembly
Special Issues, Collections and Topics in MDPI journals
Dr. Xiaolei Wang

E-Mail Website
Guest Editor
Department of Chemical & Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
Interests: advanced energy materials; clean energy technologies; nanostructured and porous materials; batteries and supercapacitors; electrochemistry; electrocatalysis; water splitting; CO2 reduction

Special Issue Information

Dear Colleagues,

Special interests and strong efforts have focused on large molecules that exist naturally, as well as those synthesized from natural and renewable resources. They are fundamental in our daily lives and, simultaneously, are promising building blocks of functional materials due to their high versatility, availability, biocompatibility, and biodegradability. Various nanomaterials such as nano-/micro-particles, nano-/micro-fibers, films, and hydrogels/aerogels have been developed, and their properties and applications (food, biomedical, energy, etc.) can be tailored by rational designs at molecular and supermolecular levels.

This Special Issue calls for papers (original research, review, or perspective papers) which focus on the design, fabrication, and application of functional nanomaterials derived from biomacromolecules. We welcome high-quality contributions from academic researchers and scientists in materials science and related areas.

Dr. Yixiang Wang
Prof. Dr. Guang Yang
Dr. Xiaolei Wang
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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

  • biomacromolecules
  • nanomaterials
  • food
  • biomedical
  • energy
  • sustainable

Published Papers (2 papers)

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Research

33 pages, 11631 KiB  
Article
Rapid Removal of Toxic Remazol Brilliant Blue-R Dye from Aqueous Solutions Using Juglans nigra Shell Biomass Activated Carbon as Potential Adsorbent: Optimization, Isotherm, Kinetic, and Thermodynamic Investigation
by Vairavel Parimelazhagan, Pranesh Yashwath, Dharun Arukkani Pushparajan and Jitendra Carpenter
Int. J. Mol. Sci. 2022, 23(20), 12484; https://doi.org/10.3390/ijms232012484 - 18 Oct 2022
Cited by 32 | Viewed by 2428
Abstract
Recently, the treatment of effluent by agricultural waste biomass has significantly attracted wide interest among researchers due to its availability, efficacy, and low cost. The removal of toxic Remazol Brilliant Blue-R (RBBR) from aqueous solutions using HNO3-treated Juglans nigra (walnut) shell [...] Read more.
Recently, the treatment of effluent by agricultural waste biomass has significantly attracted wide interest among researchers due to its availability, efficacy, and low cost. The removal of toxic Remazol Brilliant Blue-R (RBBR) from aqueous solutions using HNO3-treated Juglans nigra (walnut) shell biomass carbon as an adsorbent has been examined under various experimental conditions, such as initial pH, adsorbate concentration, adsorbent dosage, particle size, agitation speed, and type of electrolyte. The experiments are designed to achieve the maximum dye removal efficiency using the response surface methodology (RSM). The optimum pH, adsorbent dosage, and particle size were found to be 1.5, 7 g L−1, and 64 μm, respectively for maximum decolorization efficiency (98.24%). The prepared adsorbent was characterized by particle size, Brunauer–Emmett–Teller (BET) surface area, pore volume, zero-point charge (pHzpc), Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy/energy dispersive X-ray spectroscopy (FE-SEM/EDX), X-ray diffraction (XRD), and thermogravimetric analysis (TGA). Based on fitting the experimental data with various models, the isotherm and kinetic mechanism are found to be more appropriate with Langmuir isotherm and pseudo-second-order kinetics. The adsorption mechanism can be described by the intra-particle diffusion model, Bangham, and Boyd plots. The overall rate of adsorption is controlled by the external film diffusion of dye molecules. The maximum monolayer adsorption capacity, (qmax) 54.38 mg g−1 for RBBR dye, was obtained at a temperature of 301 K. From a thermodynamic standpoint, the process is endothermic, spontaneous, and the chemisorption process is favored at high temperatures. Desorption studies were conducted with various desorbing reagents in various runs and the maximum desorption efficiency (61.78% in the third run) was obtained using the solvent methanol. Reusability studies demonstrated that the prepared adsorbent was effective for up to three runs of operation. The investigation outcomes concluded that walnut shell biomass activated carbon (WSBAC) is a cost-effective, eco-friendly, and bio-sustainable material that can be used for synthetic dye decolorization in aqueous media. Full article
(This article belongs to the Special Issue Emerging Applications of Nanomaterials Derived from Biomacromolecules)
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15 pages, 3649 KiB  
Article
Fabrication, Characterization, and Antimicrobial Activity of Carvacrol-Loaded Zein Nanoparticles Using the pH-Driven Method
by Huaming Zheng, Jiangli Wang, Feng You, Mingyu Zhou and Shengwei Shi
Int. J. Mol. Sci. 2022, 23(16), 9227; https://doi.org/10.3390/ijms23169227 - 17 Aug 2022
Cited by 7 | Viewed by 1685
Abstract
To reduce the application of synthetic additives in the field of food preservation, this study utilized carvacrol as an antibacterial agent, and zein and sodium caseinate as carriers, to prepare composite nanoparticles loaded with carvacrol by the pH-driven method. The composite nanoparticles of [...] Read more.
To reduce the application of synthetic additives in the field of food preservation, this study utilized carvacrol as an antibacterial agent, and zein and sodium caseinate as carriers, to prepare composite nanoparticles loaded with carvacrol by the pH-driven method. The composite nanoparticles of zein/sodium caseinate had an excellent encapsulation efficiency (77.96~82.19%) for carvacrol, and it had remarkable redispersibility. The results of Fourier transform infrared spectroscopy showed that the formation of the composite nanoparticles mainly depended on the hydrogen bond and the hydrophobic zone force, and thermal gravimetric analysis showed that carvacrol was loaded successfully into nanoparticles, and loading efficiency reached 24.9%. Scanning electron microscopy showed that the composite nanoparticles were spherical, with a particle size range of 50~200 nm, and through the free radical scavenging method and the plate counting method to confirm the particle has stronger antioxidant and antibacterial properties, and with the composite nanoparticles with poly (vinyl alcohol) film applied to the preservation of banana together, it was found that PVA film containing 5 wt% CA-loaded composite NPs can significantly extend the storage period of banana. Therefore, when the composite nanoparticles were applied to food packaging, they could effectively inhibit food spoilage and lengthen the shelf life of food, which displays potential application prospects in the food industry. Full article
(This article belongs to the Special Issue Emerging Applications of Nanomaterials Derived from Biomacromolecules)
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