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Sustainability
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Synthesis Methods with Green Chemistry Aspect
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Synthesis Methods with Green Chemistry Aspect

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Chemical Engineering and Technology".

Deadline for manuscript submissions: closed (31 May 2021) | Viewed by 7709

Special Issue Editor

Dr. Petri A. Turhanen

E-Mail Website
Guest Editor
School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
Interests: organic chemistry; medicinal chemistry; bisphosphonates; atp analogues; high performance counter current chromatography (HPCCC); green chemistry; synthesis methods
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue comprises selected papers related to synthesis methods with green chemistry aspect. We have several fundamental problems to be resolved, such as global warming and plastic exposure, so it is evident that we need improved and more energy-efficient and environmentally friendly methods to prepare chemical compounds even if they are prepared on a small scale, according to the motto “great oaks from little acorns grow”. In recent decades, environmental issues have become more and more important questions to be tackled by industrial synthetic chemistry. The need to reduce the production of waste and the use of hazardous and toxic substances have stimulated a new way of thinking, called green chemistry. Green chemistry focuses on the design of processes that minimize and/or eliminate the use and the generation of those hazardous and toxic substances while producing more environmentally friendly products.

Dr. Petri A Turhanen
Guest Editor

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

  • Green chemistry
  • Synthesis methods
  • Environmentally friendly
  • Sustainability
  • Recycling
  • Nontoxic

Published Papers (2 papers)

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Research

14 pages, 3983 KiB  
Article
Study of Antibacterial Properties of Ziziphus mauritiana based Green Synthesized Silver Nanoparticles against Various Bacterial Strains
by M. Asimuddin, Mohammed Rafi Shaik, Neeshat Fathima, M. Shaistha Afreen, Syed Farooq Adil, Mohammed Rafiq H. Siddiqui, Kaiser Jamil and Mujeeb Khan
Sustainability 2020, 12(4), 1484; https://0-doi-org.brum.beds.ac.uk/10.3390/su12041484 - 17 Feb 2020
Cited by 22 | Viewed by 3531
Abstract
Due to their low cost and environmentally friendly nature, plant extracts based methods have gained significant popularity among researchers for the synthesis of metallic nanoparticles. Herein, green synthesis of silver nanoparticles was performed using the aqueous solution of Ziziphus mauritiana leaves extract (ZM-LE) [...] Read more.
Due to their low cost and environmentally friendly nature, plant extracts based methods have gained significant popularity among researchers for the synthesis of metallic nanoparticles. Herein, green synthesis of silver nanoparticles was performed using the aqueous solution of Ziziphus mauritiana leaves extract (ZM-LE) as a bio-reducing agent. The as-obtained silver nanoparticles were characterized by using UV-Vis spectroscopy, XRD (X-ray diffraction), TEM (transmission electron microscopy), and FT-IR (Fourier-transform infrared spectroscopy). In addition, the effects of the concentrations of the leaves extract, silver nitrate, and the temperature on the preparation of nanoparticles were also investigated. In order to determine the nature of secondary metabolites present in leaves extract, a preliminary investigation of phytoconstituents was carried out using different methods including Folin-Ciocalteu and AlCl3 methods. The results have indicated the presence of a considerable amount of phenolic and flavonoid contents in the leaves extract, which are believed to be responsible for the reduction of silver ions and stabilization of resulting nanoparticles. Indeed, the FT-IR spectrum of silver nanoparticles also confirmed the presence of residual phytomolecules of leaves extract as stabilizing ligands on the surface of nanoparticles. The antibacterial properties of as-obtained silver nanoparticles were tested against various bacterial strains including Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, and Bacillus subtilis. The nanoparticles strongly inhibited the growth of S. aureus with a minimum inhibitory concentration (MIC) of 2.5 μg/ml and moderately inhibited the growth of E. coli with a MIC of 5 μg/ml. Full article
(This article belongs to the Special Issue Synthesis Methods with Green Chemistry Aspect)
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15 pages, 5685 KiB  
Article
Facile Bioinspired Preparation of Fluorinase@Fluoridated Hydroxyapatite Nanoflowers for the Biosynthesis of 5′-Fluorodeoxy Adenosine
by Ningning Li, Bingjing Hu, Anming Wang, Huimin Li, Youcheng Yin, Tianyu Mao and Tian Xie
Sustainability 2020, 12(1), 431; https://0-doi-org.brum.beds.ac.uk/10.3390/su12010431 - 06 Jan 2020
Cited by 10 | Viewed by 3123
Abstract
To develop an environmentally friendly biocatalyst for the efficient synthesis of organofluorine compounds, we prepared the enzyme@fluoridated hydroxyapatite nanoflowers (FHAp-NFs) using fluorinase expressed in Escherichia coli Rosetta (DE3) as the biomineralization framework. The obtained fluorinase@FHAp-NFs were characterized by scanning electron microscope (SEM), X-ray [...] Read more.
To develop an environmentally friendly biocatalyst for the efficient synthesis of organofluorine compounds, we prepared the enzyme@fluoridated hydroxyapatite nanoflowers (FHAp-NFs) using fluorinase expressed in Escherichia coli Rosetta (DE3) as the biomineralization framework. The obtained fluorinase@FHAp-NFs were characterized by scanning electron microscope (SEM), X-ray diffraction (XRD), and FT-IR spectrum and used in the enzymatic synthesis of 5′-fluorodeoxy adenosin with S-adenosyl-L-methionine and fluoride as substrate. At an optimum pH of 7.5, fluorinase confined in the hybrid nanoflowers presents an approximately 2-fold higher synthetic activity than free fluorinase. Additionally, after heating at 30 °C for 8 h, the FHAp-NFs retained approximately 80.0% of the initial activity. However, free enzyme could remain only 48.2% of its initial activity. The results indicate that the fluoride and hybrid nanoflowers efficiently enhance the catalytic activity and thermal stability of fluorinase in the synthesis of 5′-fluorodeoxy adenosine, which gives a green method for producing the fluorinated organic compounds. Full article
(This article belongs to the Special Issue Synthesis Methods with Green Chemistry Aspect)
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