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Mesoporous Materials: Materials, Technological and Environmental Applications
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Mesoporous Materials: Materials, Technological and Environmental Applications

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 (30 September 2022) | Viewed by 9187

Special Issue Editors

Prof. Dr. Izabela Nowak

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Guest Editor
Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
Interests: nanomaterials; lipid nanoparticles and other nanocarriers; heterogeneous catalysis; cosmetic chemistry; analytical chemistry
Special Issues, Collections and Topics in MDPI journals
Dr. Agnieszka Feliczak-Guzik

E-Mail Website
Guest Editor
Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8 Str., 61-614 Poznan, Poland
Interests: fine chemicals; cosmetics products; renewable sources; nanomaterials; catalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Synthesis and development of ordered mesoporous materials with unique surface and texture-functionalized exteriors and interiors have been vigorously investigated in the area of molecular sciences in recent years. Ordered mesoporous materials are composed of tunable sized and regularly shaped mesopores and can be considered as crystalline materials in terms of organized porosity even if built of amorphous walls. Thus, the structural analysis of mesoporous materials is a key step for understanding their properties. The techniques applied in such studies include: simple structural techniques such as XRD or SAXS, IR spectroscopy, TEM microscopy and nitrogen sorption analyses and more dedicated ones: for example Raman spectroscopy, MALDI TOF MS, 13C solids CP-MAS NMR, or TGA results.

Ordered mesoporous materials represent a huge group of different types of materials including silicas, organosilicas, metal oxides, sulfides, nitrides, carbonitriles or pure metals, carbons, zeolites, metal- and covalent-organic frameworks, which means that they can be created in the form of inorganic or organic counterparts alone as well as hybrid composites of both parts. It is worth stressing that synthetic strategies permit obtaining materials with combined properties, i.e., those associated with ordered mesoporous structure and those typical of the type of base materials (e.g., oxides, metals, zeolites). The resulting systems show exciting new properties for future materials, technological and environmental applications ranging from adsorption, catalysis, electrochemistry, (bio)sensors, optics, energy storage to pharmaceutical or bioapplications. This Special Issue focuses on recent advances in the synthesis, functionalization, and application of ordered mesoporous materials.

Prof. Dr. Izabela Nowak
Dr. Agnieszka Feliczak-Guzik
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

  • Synthesis of ordered mesoporous materials (including soft- and hard templating methods)
  • Characterization of silicas, organosilicas, metal oxides, carbons, metal-organic frameworks and zeolites
  • Hybrid materials (organic-inorganic, inorganic-inorganic systems)
  • Surface functionalization (modification)
  • Surface/texture chemistry
  • Physicochemical characterization of mesoporous materials
  • Applications of mesoporous materials (among others: adsorption, catalysis, electrochemistry, (bio)sensors, optics, electronics, energy storage, CO2 capture, pharmaceuticals, medicine)

Published Papers (5 papers)

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Research

18 pages, 2470 KiB  
Article
Photoremoval of Bisphenol A Using Hierarchical Zeolites and Diatom Biosilica
by Jagoda Chudzińska, Bartosz Woźniak, Myroslav Sprynskyy, Izabela Nowak and Agnieszka Feliczak-Guzik
Int. J. Mol. Sci. 2023, 24(3), 2878; https://doi.org/10.3390/ijms24032878 - 02 Feb 2023
Cited by 3 | Viewed by 1397
Abstract
Bisphenol A (4,4-isopropylidenediphenol, BPA) is an organic compound widely used, e.g., in the production of epoxy resins, plastics, and thermal receipt papers. Unfortunately, bisphenol A has negative effects on human health, which has prompted the search for an effective method of its removal. [...] Read more.
Bisphenol A (4,4-isopropylidenediphenol, BPA) is an organic compound widely used, e.g., in the production of epoxy resins, plastics, and thermal receipt papers. Unfortunately, bisphenol A has negative effects on human health, which has prompted the search for an effective method of its removal. One of the most promising methods of its elimination is photocatalytic removal. The aim of this study was to design an effective method for the photocatalytic removal of bisphenol A using, for the first time, hierarchical zeolites and ruthenium ion-modified diatom biosilica, and silver as photocatalysts and optimization of the reaction conditions: temperature, pH, and composition of the reaction mixture as well as the electromagnetic wavelength. Additionally, for the first time, the electromagnetic wavelength that would be most suitable for the study was selected. All materials used were initially characterized by XRD and low-temperature nitrogen adsorption/desorption isotherms. Ruthenium ion-modified biosilica proved to be the most effective catalyst for bisphenol A removal, which occurred at a rate higher than 99%. Full article
(This article belongs to the Special Issue Mesoporous Materials: Materials, Technological and Environmental Applications)
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17 pages, 3047 KiB  
Article
Deep-Eutectic-Solvent-Based Mesoporous Molecularly Imprinted Polymers for Purification of Gallic Acid from Camellia spp. Fruit Shells
by Dianling Shen, Yu Yan, Xiaopeng Hu, Yujun Zhong, Zhiyang Li, Yaping Guo, Lianwu Xie and Deyi Yuan
Int. J. Mol. Sci. 2022, 23(21), 13089; https://doi.org/10.3390/ijms232113089 - 28 Oct 2022
Cited by 5 | Viewed by 1357
Abstract
To produce antioxidant substances from agricultural waste Camellia spp. fruit shells before their further utilization, gallic acid from five kinds of Camellia spp. fruit shells was separated on specific recognition by deep eutectic solvent molecularly imprinted polymers (DES@MIPs), which were prepared by bulk [...] Read more.
To produce antioxidant substances from agricultural waste Camellia spp. fruit shells before their further utilization, gallic acid from five kinds of Camellia spp. fruit shells was separated on specific recognition by deep eutectic solvent molecularly imprinted polymers (DES@MIPs), which were prepared by bulk polymerization using gallic acid as the template and deep eutectic solvents (α-methylacrylic acid and choline chloride) as functional monomers. The optimized DES@MIPs were characterized by scanning electron microscopy, particle size analysis, nitrogen sorption porosimetry, elemental analysis, Fourier transform infrared spectroscopy, and thermal gravimetric analysis. The adsorptive behavior of gallic acid on DES@MIPs was also investigated. The results indicated that DES@MIPs were successfully prepared as mesoporous materials with average pore diameter of 9.65 nm and total pore volume of 0.315 cm3 g−1, and the adsorption behavior was multilayer adsorption and pseudo-second-order kinetics with the saturation adsorptive capacity of gallic acid reaching 0.7110 mmol g−1. Although the content of gallic acid in five fruit shells was quite different, the purification recovery of gallic acid was high, ranging from 87.85–96.75% with a purity over 80%. Thus, the purification of gallic acid from Camellia spp. fruit shells could be realized feasibly using DES@MIPs with favorable economic and environmental benefits. Full article
(This article belongs to the Special Issue Mesoporous Materials: Materials, Technological and Environmental Applications)
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20 pages, 5904 KiB  
Article
Adsorption Characteristics of Hair Dyes Removal from Aqueous Solution onto Oak Cupules Powder Coated with ZnO
by Alaa M. Al-Ma’abreh, Razan Ataallah Abuassaf, Dareen A. Hmedat, Manal Alkhabbas, Gada Edris, Samer Hasan Hussein-Al-Ali and Samer Alawaideh
Int. J. Mol. Sci. 2022, 23(19), 11959; https://doi.org/10.3390/ijms231911959 - 08 Oct 2022
Cited by 8 | Viewed by 1458
Abstract
Three hair dyes of Arianor madder red 306003 (R), Arian or Straw Yellow 306005 (Y), and Arianor ebony 306020 (E) were removed from an aqueous solution in a batch mode using a powder of oak cupules coated with ZnO (COZ). The COZ-adsorbent material [...] Read more.
Three hair dyes of Arianor madder red 306003 (R), Arian or Straw Yellow 306005 (Y), and Arianor ebony 306020 (E) were removed from an aqueous solution in a batch mode using a powder of oak cupules coated with ZnO (COZ). The COZ-adsorbent material was characterized in terms of XRD, FT-IR, and SEM analysis. The best conditions for the uptake of hair dyes by COZ were investigated. For Y dye, the best uptake was estimated on 0.06 g of COZ at 7.0 pH for 150 min. The E dye uptake requires 120 min on 0.05 g of COZ at 9.0 pH. For E hair dye, kinetic data revealed a pseudo-first-order model for E hair dye and a pseudo-second-order model for R and Y. Equilibrium data exhibited consistency with the Langmuir isotherm model for the adsorption of E dye onto COZ, and the Freundlich isotherm model for the adsorption of R and Y hair dyes onto COZ. Isotherms models of D-R and Temkin were also examined. The thermodynamic parameters (−ve ∆G and +ve ∆H and ∆S) demonstrated that the removal of hair dyes by COZ is spontaneous, endothermic, and feasible. The adsorption capacity of COZ for R, Y, and E uptake was found to be 55.5, 52.6, and 135.1 mg·g−1, respectively. Furthermore, COZ reusability was demonstrated after five cycles of regeneration, with a negligible decline in adsorption extent (13.08%, 13.85, and 10.20% for R, Y, and E, respectively) in comparison to its initial capacity. Full article
(This article belongs to the Special Issue Mesoporous Materials: Materials, Technological and Environmental Applications)
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14 pages, 1435 KiB  
Article
Triphenylphosphonium Modified Mesoporous Silica Nanoparticle for Enhanced Algicidal Efficacy of Cyclohexyl-(3,4-dichlorobenzyl) Amine
by Ho-Joong Kim, Sung Tae Kim, Dae Beom Park, Hoon Cho, Md Asadujjaman and Jun-Pil Jee
Int. J. Mol. Sci. 2022, 23(19), 11901; https://doi.org/10.3390/ijms231911901 - 07 Oct 2022
Cited by 1 | Viewed by 1267
Abstract
Mesoporous silica nanoparticles (MSNPs) have been widely used for the delivery of different hydrophilic and hydrophobic drugs owing to their large surface area and ease of chemical alteration. On the other hand, triphenylphosphonium cation (TPP+) with high lipophilicity has a great mitochondrial homing [...] Read more.
Mesoporous silica nanoparticles (MSNPs) have been widely used for the delivery of different hydrophilic and hydrophobic drugs owing to their large surface area and ease of chemical alteration. On the other hand, triphenylphosphonium cation (TPP+) with high lipophilicity has a great mitochondrial homing property that stimulates the internalization of drugs into cells. Therefore, we designed a TPP-modified MSNP to enhance the algicidal activity of our new algicidal agent cyclohexyl-(3,4-dichlorobenzyl) amine (DP92). In this study, algicidal activity was evaluated by assessing the growth rate inhibition of two harmful algal blooms (HABs), Heterosigma akashiwo and Heterocapsa circularisquama, after treatment with DP92-loaded MSNP or TPP-MSNP and DP92 in DMSO (as control). For H. akashiwo, the IC50 values of TPP-MSNP and MSNP are 0.03 ± 0.01 and 0.16 ± 0.03 µM, respectively, whereas the value of the control is 0.27 ± 0.02 µM. For H. circularisquama, the IC50 values of TPP-MSNP and MSNP are 0.10 ± 0.02 and 0.29 ± 0.02 µM, respectively, whereas the value of the control is 1.90 ± 0.09 µM. Results have indicated that TPP-MSNP efficiently enhanced the algicidal activity of DP92, signifying the prospect of using DP92-loaded TPP-MSNP as an algicidal agent for the superior management of HABs. Full article
(This article belongs to the Special Issue Mesoporous Materials: Materials, Technological and Environmental Applications)
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18 pages, 5232 KiB  
Article
Diatom Biosilica Doped with Palladium(II) Chloride Nanoparticles as New Efficient Photocatalysts for Methyl Orange Degradation
by Myroslav Sprynskyy, Paulina Szczyglewska, Izabela Wojtczak, Izabela Nowak, Andrzej Witkowski, Bogusław Buszewski and Agnieszka Feliczak-Guzik
Int. J. Mol. Sci. 2021, 22(13), 6734; https://doi.org/10.3390/ijms22136734 - 23 Jun 2021
Cited by 17 | Viewed by 2472
Abstract
A new catalyst based on biosilica doped with palladium(II) chloride nanoparticles was prepared and tested for efficient degradation of methyl orange (MO) in water solution under UV light excitation. The obtained photocatalyst was characterized by X-ray diffraction, TEM and N2 adsorption/desorption isotherms. [...] Read more.
A new catalyst based on biosilica doped with palladium(II) chloride nanoparticles was prepared and tested for efficient degradation of methyl orange (MO) in water solution under UV light excitation. The obtained photocatalyst was characterized by X-ray diffraction, TEM and N2 adsorption/desorption isotherms. The photocatalytic degradation process was studied as a function of pH of the solution, temperature, UV irradiation time, and MO initial concentration. The possibilities of recycling and durability of the prepared photocatalysts were also tested. Products of photocatalytic degradation were identified by liquid chromatography–mass spectrometry analyses. The photocatalyst exhibited excellent photodegradation activity toward MO degradation under UV light irradiation. Rapid photocatalytic degradation was found to take place within one minute with an efficiency of 85% reaching over 98% after 75 min. The proposed mechanism of photodegradation is based on the assumption that both HO• and O2•− radicals, as strongly oxidizing species that can participate in the dye degradation reaction, are generated by the attacks of photons emitted from diatom biosilica (photonic scattering effect) under the influence of UV light excitation. The degradation efficiency significantly increases as the intensity of photons emitted from biosilica is enhanced by palladium(II) chloride nanoparticles immobilized on biosilica (synergetic photonic scattering effect). Full article
(This article belongs to the Special Issue Mesoporous Materials: Materials, Technological and Environmental Applications)
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