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Recent Advances of Nanomaterial: Surface Modification, Characterization, and Application

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A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: closed (10 August 2023) | Viewed by 7620

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Special Issue Editors

Dr. Esrat Jahan Rupa

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Guest Editor

Department of Oriental Medicinal Materials & Processing, Kyung Hee University, Yongin-si, Republic of Korea
Interests: green synthesized metal nanoparticles; polymer coated nanoparticles; nanoemulsion; solid lipid Nps; hydrogel; nano encapsulation; in vitro screening in different diseases cell line; biomedical and environmental application of nanomaterials
Special Issues, Collections and Topics in MDPI journals

Dr. Shahinur Acter

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Guest Editor

Deperment of Radiation Oncology and Molecular Radiation Science, School of Medeicine, John Hopkins University, Baltimore, MD 21287, USA
Interests: green synthesized metal nanoparticles; anisotropic nanoparticles; polymer coated nanoparticles; photothermally responsive pickering emulsions; encapsulation; in vitro screening in different disease cell lines; the biomedical and environmental application of nanomaterials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Medicinal plants are natural raw materials. Since ancient times these herbal materials have been commonly used as herbal drugs, food products, and cosmetics. The phyto molecules isolated from medicinal plants are in high demand, specifically in the pharmaceutical industry. However, these phyto molecules have the limitations of low absorption, high toxicity, side effects, bioavailability, and efficacy. These limitations may be overcome by using nanotechnological tools.

Today, various nanomaterials are designed and prepared for nanomedicine, such as polymer-coated nano drugs, metal nanoparticles, nano-carriers, nanoemulsions, and semiconducting nanomaterials. The applications of nanomaterials overcome several limitations of traditional medicine, including short circulation time, serious side effects, and low bioavailability. Accordingly, the great success of nanotechnology is allowing for a tremendous revolution in the biomedical field. Various therapeutic nanoplatforms have been developed with therapeutic functions and intellectual properties.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

Green synthesis of nanomaterials, metal nanoparticles, polymer-coated nanoparticles, surface-modified nanoparticles for phytocompound delivery, in vitro and in vivo screening in various diseases, and their biomedical and environmental applications.

We look forwards to receiving your contribution.

Dr. Esrat Jahan Rupa
Dr. Shahinur Acter
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. 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

nanoparticle synthesis and delivery
metal/polymer-coated nanoparticles
nanoemulsion
nanocomposite
encapsulation
therapeutic applications drug delivery
food field
medicine field
environment field

Published Papers (4 papers)

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Research

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13 pages, 3868 KiB

Open AccessArticle

Preparation of Pie-Shaped CoMoO₄ with High Capacitive and Photocatalytic Properties by a Solvothermal Method

by Shuoyan Chen, Juan Wu, Gang Wang, Jing Wang, Licai Fan, Jian Hao, Shen Wang, Yang Liu, Hongyu Wu, Yang Li, Jing Gao and Mingli Yang

Coatings 2022, 12(11), 1771; https://doi.org/10.3390/coatings12111771 - 19 Nov 2022

Cited by 3 | Viewed by 1541

Abstract

This paper reports a method for fabricating pie-shaped CoMoO₄ nanomaterials. The morphologic characterization and phase analysis showed that the prepared material was CoMoO₄ and presented a pie-shape. Pie-shaped CoMoO₄ electrode materials possess high specific capacitance in three-electrode electrochemical measurement systems. When the current density is 1 A/g, the specific capacitance reaches 1902 F/g. In addition, it has good cycle stability. With 10,000 charge–discharge cycle experiments at a current density of 15 A/g, pie-shaped CoMoO₄ has a specific capacity retention ratio of 99.5%. In addition, the CoMoO₄//CNTs device can provide a maximum energy density of 55.6 Wh/kg (1 A/g) and a maximum power density of 10,900 W/kg (15 A/g), showing good electrochemical performance. The photocatalytic properties of pie-shaped CoMoO₄ were also studied. The results show that the degradation rates of MO (methyl orange), MB (methyl blue), and CR (Congo red) can reach 97.8%, 98.8%, and 99.6% at 100 min, 40 min, and 65 min, respectively. The material has good photocatalytic performance. The excellent performance of pie-shaped CoMoO₄ indicates that the electrode material has potential application scenarios in electrode materials and photocatalysis. Full article

(This article belongs to the Special Issue Recent Advances of Nanomaterial: Surface Modification, Characterization, and Application)

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14 pages, 5468 KiB

Open AccessArticle

Photocatalytic Activity of Orchid-Flower-Shaped ZnO Nanoparticles, toward Cationic and Anionic Dye Degradation under Visible Light, and Its Anti-Cancer Potential

by Siwen Zheng, Esrat Jahan Rupa, Mohan Chokkalingam, Xiangmin Piao, Yaxi Han, Jong Chan Ahn, Jinnatun Nahar, Byoung Man Kong, Gi Young Kwak, Jong Hak Kim, Deok Chun Yang, Se Chan Kang and Yingping Wang

Coatings 2022, 12(7), 946; https://doi.org/10.3390/coatings12070946 - 4 Jul 2022

Cited by 3 | Viewed by 1917

Abstract

Orchid-flower-shaped ZnO nanomaterials were successfully synthesized via green synthesis and an eco-friendly approach using an aqueous extract of Lycium chinense fruit as a reducing and capping agent. The synthesized Lycium chinense orchid-flower-shaped ZnO (LC-ZnO/OF) nanoparticles (NPs) were characterized using different analytical methods through X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, transmission electron microscopy (TEM), field emission scanning electron microscopy (FE-SEM), photoelectron spectroscopy (XPS), and photoluminescence (PL). The FE-TEM analysis revealed the orchid flower shape of the nanoparticles, and the elemental composition was confirmed via XPS analysis. The photocatalytic activity of the nanoparticles was determined by the degrading cationic dye methylene blue (MB) and the anionic dye Eosin Y (EY) under visible light irradiation at (400 w) within 180 min time, where it showed a significant ability to degrade both cationic and anionic dye by almost 50%. The LC-ZnO/OF photocatalyst was also used to check the toxicity level in human cancer cells, where it exhibited remarkable cytotoxicity to the human lung cancer (A549 cell line) and human gastric adenocarcinoma hyperdiploid (AGS cell line). The present investigation suggests that LC-ZnO/OF has the potential photocatalytic ability to degrade toxic dye as well as have anti-cancer effects. These preliminary results suggest that LC-ZnO/OF could have a significant impact on the environmental and biomedical fields. Full article

(This article belongs to the Special Issue Recent Advances of Nanomaterial: Surface Modification, Characterization, and Application)

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11 pages, 21869 KiB

Open AccessArticle

Gold Nanoparticles Green-Synthesized by the Suaeda japonica Leaf Extract and Screening of Anti-Inflammatory Activities on RAW 267.4 Macrophages

by Gi-Young Kwak, Yaxi Han, Sul Baik, Byoung-Man Kong, Deok-Chun Yang, Se-Chan Kang and Johan Sukweenadhi

Coatings 2022, 12(4), 460; https://doi.org/10.3390/coatings12040460 - 28 Mar 2022

Cited by 9 | Viewed by 1986

Abstract

Biosynthesis of gold nanoparticles from medicinal plants has become a modern strategy in biomedical research based on their exclusive properties, including specific targeting, lower toxicity, and biocompatibility. In this study, gold nanoparticles, reduced by the Suaeda japonica leaf extract, were promptly validated by UV–visible (UV–Vis) spectroscopy at 548 nm. No additional reducing agents were needed in this kind of a reduction reaction, which provided evidence of green synthesis. Dynamic light scattering (DLS), energy-dispersive X-ray spectroscopy (EDX), field-emission transmission electron microscopy (FE-TEM), selected area electron diffraction (SAED), and X-ray diffraction (XRD) analyses were used to illustrate the nanoscale characterization of S. japonica gold nanoparticles (Sj-AuNps). Furthermore, the cytotoxicity effect of Sj-AuNps against the RAW 264.7 cell line was determined by performing an MTT assay. We also investigated Sj-AuNps’ anti-inflammatory properties in LPS-induced murine macrophages. These nanoparticles reduced the generation of nitric oxide (NO) and prostaglandin E2 (PGE₂) and repressed the expression of the LPS-stimulated inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) genes. This study presents a significant biomedical application of S. japonica AuNps. The anti-inflammatory capabilities of Sj-AuNps underline their potential as possible options for suppressing inflammation-mediated diseases. Full article

(This article belongs to the Special Issue Recent Advances of Nanomaterial: Surface Modification, Characterization, and Application)

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Review

Jump to: Research

23 pages, 2040 KiB

Open AccessReview

Research Progress on Construction of Lutein-Loaded Nano Delivery System and Their Improvements on the Bioactivity

by Yongqiang Ma, Tingting You, Jing Wang, Yan Jiang and Jichao Niu

Coatings 2022, 12(10), 1449; https://doi.org/10.3390/coatings12101449 - 30 Sep 2022

Cited by 4 | Viewed by 1488

Abstract

Lutein belongs to the diverse group of pigments known as oxygenated carotenoids, also known as phytochrome and macular pigment, demonstrating excellent biological activity. However, its application is limited due to the difficulty of dissolution, poor stability, and low bioavailability. To solve these problems, delivery systems are considered to be one of the most promising choices. These delivery systems can improve the physical, chemical, and biological properties of lutein to a certain extent. Moreover, the system can also be adapted to the needs of production in our daily life. In this paper, the construction of lutein-loaded nano delivery systems and their influences on the bioactivity of lutein were reviewed based on previous researchers. The main materials were classified, and assistant substances, basic parameters, and properties were collected. The mechanisms were analyzed in terms of enhancing cellular uptake, improving bioavailability, and achieving targeted delivery. These results show that different materials have their own characteristics. This review aims to provide references for the production and application of lutein in the food industry. Full article

(This article belongs to the Special Issue Recent Advances of Nanomaterial: Surface Modification, Characterization, and Application)

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