The Critical Impacts of Ligands on Heterogeneous Nanocatalysis: A Review DOI
Linfang Lu, Shihui Zou, Baizeng Fang

et al.

ACS Catalysis, Journal Year: 2021, Volume and Issue: 11(10), P. 6020 - 6058

Published: May 4, 2021

Ligand utilization is a necessary and powerful technique for the colloidal synthesis of nanoparticles (NPs) with controllable sizes regulated morphologies. For catalysis applications, it commonly believed that surface ligands on metal NPs block active catalytic sites reduce activity. Nevertheless, since 2010, an increasing number research groups have demonstrated unexpected benefits improve activity and/or selectivity. These can be ascribed to construction inorganic–organic interface, through which series factors, such as steric, electronic, solubility effects, utilized produce favorable changes interfacial environment. Considering tremendous developments in this emerging field, compile comprehensive systematic overview recent advances. In Review, we summarize critical impacts heterogeneous nanocatalysis. First, introduce vital roles colloid syntheses shapes. Second, detrimental effects nanocatalysis are described basis traditional views. Third, strategies ligand removal reviewed compared. Fourth, has been conducted past decade, three main beneficial (steric, solubility) classified discussed. each effect, possible corresponding mechanism presented, typical examples provided. Recent advances regarding density functional theory (DFT) calculations regulation coverage dedicated explaining ligand-promotion searching optimal nanocatalysts. Fifth, stabilities cutting-edge ligand-capped nanocatalysts before after reactions Finally, highlight remaining challenges propose future perspectives. Although much progress achieved, activities multifaceted still debatable. We hope Review will deepen readers' understanding actual catalysis.

Language: Английский

Biological Synthesis of Nanoparticles from Plants and Microorganisms DOI
Priyanka Singh, Yu‐Jin Kim,

Dabing Zhang

et al.

Trends in biotechnology, Journal Year: 2016, Volume and Issue: 34(7), P. 588 - 599

Published: March 2, 2016

Language: Английский

Citations

1494
Chemical Synthesis of Single Atomic Site Catalysts DOI

Shufang Ji,

Yuanjun Chen, Xiaolu Wang

et al.

Chemical Reviews, Journal Year: 2020, Volume and Issue: 120(21), P. 11900 - 11955

Published: April 3, 2020

Manipulating metal atoms in a controllable way for the synthesis of materials with desired structure and properties is holy grail chemical synthesis. The recent emergence single atomic site catalysts (SASC) demonstrates that we are moving toward this goal. Owing to maximum efficiency atom-utilization unique structures properties, SASC have attracted extensive research attention interest. prerequisite scientific practical applications fabricate highly reactive stable on appropriate supports. In review, various synthetic strategies summarized concrete examples highlighting key issues methods stabilize supports suppress their migration agglomeration. Next, discuss how conditions affect catalytic before ending review by prospects challenges as well further researches SASC.

Language: Английский

Citations

1109
Green synthesis of nanoparticles using plant extracts: a review DOI
Sapana Jadoun, Rizwan Arif, Nirmala Kumari Jangid

et al.

Environmental Chemistry Letters, Journal Year: 2020, Volume and Issue: 19(1), P. 355 - 374

Published: Aug. 13, 2020

Language: Английский

Citations

832
Biogenic synthesis of nanoparticles: A review DOI Creative Commons
Deepali Sharma, Suvardhan Kanchi, Krishna Bisetty

et al.

Arabian Journal of Chemistry, Journal Year: 2015, Volume and Issue: 12(8), P. 3576 - 3600

Published: Nov. 25, 2015

The nature acts like a large "bio-laboratory" comprising of plants, algae, fungi, yeast, etc. which are composed biomolecules. These naturally occurring biomolecules have been identified to play an active role in the formation nanoparticles with distinct shapes and sizes thereby acting as driving force for designing greener, safe environmentally benign protocols synthesis nanoparticles. present review targets comparative biogenic mechanisms using algae waste materials (agro presence biomolecules). use not only reduces cost but also minimizes need hazardous chemicals stimulates 'green synthesis'. It focuses on computational aspects binding some applications biosynthesized biomedical, catalysis biosensors fields.

Language: Английский

Citations

803
Green Synthesis of Zinc Oxide (ZnO) Nanoparticles Using Aqueous Fruit Extracts of Myristica fragrans: Their Characterizations and Biological and Environmental Applications DOI Creative Commons
Shah Faisal, Hasnain Jan,

Sajjad Ali Shah

et al.

ACS Omega, Journal Year: 2021, Volume and Issue: 6(14), P. 9709 - 9722

Published: March 30, 2021

In the present work, bioaugmented zinc oxide nanoparticles (ZnO-NPs) were prepared from aqueous fruit extracts of Myristica fragrans. The ZnO-NPs characterized by different techniques such as X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, ultraviolet (UV) scanning electron microscopy (SEM), transmission (TEM), dynamic light scattering (DLS), and thermogravimetric analysis (TGA). crystallites exhibited a mean size 41.23 nm measured via XRD highly pure, while SEM TEM analyses synthesized NPs confirmed their spherical or elliptical shape. functional groups responsible for stabilizing capping using FTIR analysis. ζ-size ζ-potential reported 66 −22.1 mV, respectively, DLS technique can be considered moderate stable colloidal solution. Synthesized used to evaluate possible antibacterial, antidiabetic, antioxidant, antiparasitic, larvicidal properties. found active against bacterial strains both coated with antibiotics alone. Klebsiella pneumoniae was most sensitive strain (27 ± 1.73) imipinem (26 1.5). displayed outstanding inhibitory potential enzymes protein kinase (12.23 0.42), α-amylase (73.23 α-glucosidase (65.21 0.49). Overall, have shown significant activity (77.3 1.8) Aedes aegypti, mosquitoes involved in dengue fever. Similarly, tremendous leishmanicidal also observed promastigote (71.50 0.70) amastigote (61.41 0.71) forms parasite. biosynthesized excellent antioxidant biocompatible nanomaterials. Biosynthesized photocatalytic agents, resulting 88% degradation methylene blue dye 140 min. Owing eco-friendly synthesis, nontoxicity, nature, M. fragrans exploited candidates biomedical environmental applications.

Language: Английский

Citations

580
Molecular Imprinting: Green Perspectives and Strategies DOI
Maryam Arabi, Abbas Ostovan, Jinhua Li

et al.

Advanced Materials, Journal Year: 2021, Volume and Issue: 33(30)

Published: June 18, 2021

Abstract Advances in revolutionary technologies pose new challenges for human life; response to them, global responsibility is pushing modern toward greener pathways. Molecular imprinting technology (MIT) a multidisciplinary mimic simulating the specific binding principle of enzymes substrates or antigens antibodies; along with its rapid progress and wide applications, MIT faces challenge complying green sustainable development requirements. With identification environmental risks associated unsustainable MIT, aspect termed has emerged developed. However, so far, no clear definition been provided appraise MIT. Herein, implementation process chemistry demonstrated mnemonic device form an acronym, GREENIFICATION, proposed present principles. The entire greenificated surveyed, including element choice, polymerization implementation, energy input, strategies, waste treatment, recovery, as well impacts these processes on operator health environment. Moreover, assistance upgraded instrumentation deploying goals considered. Finally, future perspectives are presented provide more complete picture road map pave way further development.

Language: Английский

Citations

573
An overview on plant extracts as environmental sustainable and green corrosion inhibitors for metals and alloys in aggressive corrosive media DOI
Chandrabhan Verma, Eno E. Ebenso, Indra Bahadur

et al.

Journal of Molecular Liquids, Journal Year: 2018, Volume and Issue: 266, P. 577 - 590

Published: June 30, 2018

Language: Английский

Citations

503
Green synthesis of metallic nanoparticles as effective alternatives to treat antibiotics resistant bacterial infections: A review DOI Creative Commons
Anirudh Singh, Pavan Kumar Gautam, Arushi Verma

et al.

Biotechnology Reports, Journal Year: 2020, Volume and Issue: 25, P. e00427 - e00427

Published: Jan. 31, 2020

Due to development of bacterial resistance the conventional antibiotics, treatment infections has become a major issue concern. The unprescribed and uncontrolled use antibiotics lead rapid antibiotic in strains. Therefore, novel potent bactericidal agents is great clinical importance. Interestingly, metallic nanoparticles (NPs) have been proven be promising alternative antibiotics. NPs interact with important cellular organelles biomolecules like DNA, enzymes, ribosomes, lysosomes that can affect cell membrane permeability, oxidative stress, gene expression, protein activation, enzyme activation. Since, target multiple concurrently; it becomes very difficult for bacteria develop against them. Currently, there are different physical chemical methods utilized synthesis. However, most these processes costly potentially hazardous living organisms environment. need an eco-friendly cost-effective method Recently, ‘green synthesis’ approaches gaining lot attention. It demonstrated bacteria, yeast, fungi, plant cells reduce inorganic metal ions into by their metabolites. Both yield stability biogenic quite satisfactory. In current article, we addressed green synthesis various reported till date highlighted modes mechanisms antibacterial properties. highly anticipated could viable economical alternatives treating drug resistant near future.

Language: Английский

Citations

495
Green synthesis of zinc oxide nanoparticles: A review of the synthesis methodology and mechanism of formation DOI
Marina Bandeira, Marcelo Giovanela, Mariana Roesch‐Ely

et al.

Sustainable Chemistry and Pharmacy, Journal Year: 2020, Volume and Issue: 15, P. 100223 - 100223

Published: Feb. 5, 2020

Language: Английский

Citations

450
Facile and Sensitive Fluorescence Sensing of Alkaline Phosphatase Activity with Photoluminescent Carbon Dots Based on Inner Filter Effect DOI
Guoliang Li,

Huili Fu,

Xuejie Chen

et al.

Analytical Chemistry, Journal Year: 2016, Volume and Issue: 88(5), P. 2720 - 2726

Published: Jan. 28, 2016

A simple and sensitive fluorescent assay for detecting alkaline phosphatase (ALP) based on the inner filter effect (IFE) has been proven, which is conceptually different from previously reported ALP assays. In this sensing platform, N-doped carbon dots (CDs) with a high quantum yield of 49% were prepared by one-pot synthesis directly used as fluorophore in IFE. p-Nitrophenylphosphate (PNPP) was employed to act an substrate, its enzyme catalytic product (p-nitrophenol (PNP)) capable functioning powerful absorber IFE influence excitation (CDs). When presence ALP, PNPP transformed into PNP induced absorption band transition 310 405 nm, resulted complementary overlap between CDs. Because competitive absorption, CDs significantly weakened, resulting quenching The present IFE-based strategy showed good linear relationship 0.01 25 U/L (R2 = 0.996) provided exciting detection limit 0.001 (signal-to-noise ratio 3). proposed approach successfully applied serum samples, inhibitor investigation cell imaging. presented fluorescence gives new insight development facile optical probe activity because surface modification or linking receptor no longer required.

Language: Английский

Citations

356