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Nanomaterials
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Novel Nanomaterials Based Bio(chemical) Separating and Analyzing Technology
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Novel Nanomaterials Based Bio(chemical) Separating and Analyzing Technology

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Biology and Medicines".

Deadline for manuscript submissions: closed (20 January 2024) | Viewed by 4438

Special Issue Editors

Dr. Yixi Xie

E-Mail Website
Guest Editor
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, Xiangtan University, Xiangtan 411105, China
Interests: biosensing; electrochemical sensor; environmental analysis
Dr. Liangliang Liu

E-Mail Website
Guest Editor
Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China
Interests: separation and analysis of natural products; molecularly imprinted materials; nanotoxicology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Novel nanomaterials, such as nanoscale metal—organic frameworks (n-MOFs), nanolayered double hydroxides (n-LDHs), Mxenes, and polyoxometalates (PMOs) nanoparticles have been widely used in the field of biochemical analysis and separation. However, due to the potentially high preparation cost, pollution from the preparation process, unsatisfactory stability, low biocompatibility and other deficiencies of nanomaterials, it is still challenging to develop separation and analysis methods based on novel nanomaterials that can be effectively applied in practice.

This Special Issue aims to publish the manuscripts that focus on the development and application of novel nanomaterials in the field of biochemical separating and analyzing technology. Original research articles and reviews are welcome. Research areas may include (but are not limited to) the following: bio-imaging; spectral analysis; electrochemical sensors; solid-phase extraction; molecular imprinting materials; in vivo analysis; nanometer sensor; new technology for separation and analysis of natural products.

Dr. Yixi Xie
Dr. Liangliang Liu
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. Nanomaterials 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 2900 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

  • MOF
  • COF
  • LDHs
  • Mxenes
  • PMOs
  • sensors
  • isolation
  • purification
  • detection
  • imaging

Published Papers (3 papers)

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Research

14 pages, 4266 KiB  
Article
Ultrasensitive Luteolin Electrochemical Sensor Based on Novel Lamellar CuZn@ Nitrogen-Containing Carbon Nanosheets
by Yuhong Li, Yaqi Yang, Jiejun Li, Li Zhang, Pengcheng Zhao, Junjie Fei and Yixi Xie
Nanomaterials 2023, 13(1), 171; https://0-doi-org.brum.beds.ac.uk/10.3390/nano13010171 - 30 Dec 2022
Cited by 5 | Viewed by 1350
Abstract
The Cu/Zn-zeolitic imidazolate framework (Cu/Zn-ZIF) was synthesized using the traditional hydrothermal method, and its surface morphology was controlled by adding polyvinylpyrrolidone (PVP) during its synthesis. It was then calcined at 800 °C to form the nitrogen-containing carbon material CuZn@NC, which improved the electron [...] Read more.
The Cu/Zn-zeolitic imidazolate framework (Cu/Zn-ZIF) was synthesized using the traditional hydrothermal method, and its surface morphology was controlled by adding polyvinylpyrrolidone (PVP) during its synthesis. It was then calcined at 800 °C to form the nitrogen-containing carbon material CuZn@NC, which improved the electron transfer rate. Scanning electron microscopy (SEM), X-ray crystal diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) were used to investigate the surface morphology and structure. Finally, the electrochemical sensing platform for luteolin was effectively constructed by changing the metal–ion ratio during synthesis to achieve the most suitable electrode material. The sensor platform detects luteolin well, with an operating curve equation of Ip (A) = 0.0571C (nM) − 1.2913 and a minimum detection limit of 15 nM, and the platform has been successfully employed for luteolin detection in real samples. Full article
(This article belongs to the Special Issue Novel Nanomaterials Based Bio(chemical) Separating and Analyzing Technology)
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10 pages, 1272 KiB  
Article
Electrochemical Detection of Olivetol Based on Poly(L-Serine) Film Layered Copper Oxide Modified Carbon Paste Electrode (p-L-Serine/CuO/CPE)
by Zongyi You, Yi Zhang, Shengwen Duan and Liangliang Liu
Nanomaterials 2023, 13(1), 70; https://0-doi-org.brum.beds.ac.uk/10.3390/nano13010070 - 23 Dec 2022
Cited by 2 | Viewed by 1212
Abstract
Olivetol is an important polyphenol compound and intermediate in the synthesis of cannabinoids possessing many types of biological activities. A facile electrochemical sensor for olivetol was fabricated based on p-L-serine, and copper oxide (CuO) nanoparticles modified carbon paste electrode (p-L-serine/CuO/CPE). The proposed p-L-serine/CuO/CPE [...] Read more.
Olivetol is an important polyphenol compound and intermediate in the synthesis of cannabinoids possessing many types of biological activities. A facile electrochemical sensor for olivetol was fabricated based on p-L-serine, and copper oxide (CuO) nanoparticles modified carbon paste electrode (p-L-serine/CuO/CPE). The proposed p-L-serine/CuO/CPE was applied to the electrochemical detection of olivetol by cyclic voltammetry (CV) and differential pulse voltammetric (DPV). Through the characterizations of materials and modified electrodes, the p-L-serine/CuO/CPE exhibited enhanced electrochemical signals for olivetol compared to bare CPE and CuO/CPE in both CV and DPV methods. Under the optimized conditions, the proposed p-L-serine/CuO/CPE showed a good quantitative analysis ability and a wide analysis range from 20 to 100 μmol L−1 of olivetol with a limit of detection of 1.04 μmol L−1. Based on the reproducibility, repeatability, and stability exhibited by this fabricated sensor and the cheap and accessible raw materials, the p-L-serine/CuO/CPE became a novel determination choice for olivetol in the electrochemical method with the advantages of being cost-effective and convenient. Full article
(This article belongs to the Special Issue Novel Nanomaterials Based Bio(chemical) Separating and Analyzing Technology)
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11 pages, 2322 KiB  
Article
Pd3Co1 Alloy Nanocluster on the MWCNT Catalyst for Efficient Formic Acid Electro-Oxidation
by Pingping Yang, Li Zhang, Xuejiao Wei, Shiming Dong and Yuejun Ouyang
Nanomaterials 2022, 12(23), 4182; https://0-doi-org.brum.beds.ac.uk/10.3390/nano12234182 - 25 Nov 2022
Cited by 3 | Viewed by 1227
Abstract
In this study, the Pd3Co1 alloy nanocluster from a multiwalled carbon nanotube (MWCTN) catalyst was fabricated in deep eutectic solvents (DESs) (referred to Pd3Co1/CNTs). The catalyst shows a better mass activity towards the formic acid oxidation [...] Read more.
In this study, the Pd3Co1 alloy nanocluster from a multiwalled carbon nanotube (MWCTN) catalyst was fabricated in deep eutectic solvents (DESs) (referred to Pd3Co1/CNTs). The catalyst shows a better mass activity towards the formic acid oxidation reaction (FAOR) (2410.1 mA mgPd−1), a better anti-CO toxicity (0.36 V) than Pd/CNTs and commercial Pd/C. The improved performance of Pd3Co1/CNTs is attributed to appropriate Co doping, which changed the electronic state around the Pd atom, lowered the d-band of Pd, formed a new Pd-Co bond act at the active sites, affected the adsorption of the toxic intermediates and weakened the dissolution of Pd; moreover, with the assistance of DES, the obtained ultrafine Pd3Co1 nanoalloy exposes more active sites to enhance the dehydrogenation process of the FAOR. The study shows a new way to construct a high-performance Pd-alloy catalyst for the direct formic acid fuel cell. Full article
(This article belongs to the Special Issue Novel Nanomaterials Based Bio(chemical) Separating and Analyzing Technology)
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