Central Countries' and Brazil's Contributions to Nanotechnology DOI
Jonas Farias Santos,

Leydi del Rocío Silva-Calpa,

Fernando Gomes de Souza

et al.

Current Nanomaterials, Journal Year: 2023, Volume and Issue: 9(2), P. 109 - 147

Published: May 26, 2023

Abstract: Nanotechnology is a cornerstone of the scientific advances witnessed over past few years. applications are extensively broad, and an overview main trends worldwide can give insight into most researched areas gaps to be covered. This document presents trend topics three leading countries studying in this area, as well Brazil for comparison. The data mining was made from Scopus database analyzed using VOSviewer Voyant Tools software. More than 44.000 indexed articles published 2010 2020 revealed that responsible highest number United States, China, India, while fifteenth position. Thematic global networks standing-out research health science, energy, wastewater treatment, electronics. In temporal observation, primary are: India (2020), which devoted facing SARS-COV 2; (2019), developing promising strategies combat cancer; China (2018), whit on nanomedicine triboelectric nanogenerators; States (2017) Global tendencies (2018) also related development nanogenerators. collected available GitHub. study demonstrates innovative use data-mining technologies gain comprehensive understanding nanotechnology's contributions highlights diverse priorities nations cutting-edge field.

Language: Английский

Marine carrageenan‐based NiO nanocatalyst in solvent‐free synthesis of polyhydroquinoline derivatives DOI
Foad Buazar, Mohammad Hosein Sayahi,

Arezoo Zarei Sefiddashti

et al.

Applied Organometallic Chemistry, Journal Year: 2023, Volume and Issue: 37(9)

Published: July 24, 2023

This study presents the preparation of nickel oxide nanoparticles (NiO NPs) in presence marine seaweed kappa‐carrageenan ( κ ‐carrageenan) polysaccharide as a green stabilizer and coating agent under optimal conditions. Thermal gravimetric analyzer (TGA) Fourier transform infrared (FTIR) results revealed thermal stability functional groups ‐carrageenan‐coated NiO (NiO@κ‐Car) NPs. The color change solution from to black advent peak at 320 nm primitively confirmed formation Further, transmission electron microscopy (TEM) images NiO@κ‐Car demonstrate rather irregular spherical cubic morphology, showing an average size 18 ± 1.5 nm. X‐ray diffraction (XRD) analysis confirms that NPs appear crystal structures with crystallite 23.7 According turnover number (TON) frequency (TOF) results, exhibits superior catalytic efficiency one‐pot multicomponent synthesis polyhydroquinoline derivatives free‐solvent Hydrogen‐1 1 H) carbon‐13 13 C) nuclear magnetic resonance (NMR) spectra indicated successful various organic products. key advantages proposed efficient synthetic protocol include reusability catalyst (four runs), simple workout, high yield products, environmental sustainability, solvent‐free reaction condition. A possible mechanism was also suggested, indicating role proficient heterogeneous nanocatalyst reaction.

Language: Английский

Citations

17
Microbe-material hybrids for therapeutic applications DOI
Meng Chen, Lili Xia, Chenyao Wu

et al.

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(16), P. 8306 - 8378

Published: Jan. 1, 2024

As natural living substances, microorganisms have emerged as useful resources in medicine for creating microbe-material hybrids ranging from nano to macro dimensions. The engineering of microbe-involved nanomedicine capitalizes on the distinctive physiological attributes microbes, particularly their intrinsic "living" properties such hypoxia tendency and oxygen production capabilities. Exploiting these remarkable characteristics combination with other functional materials or molecules enables synergistic enhancements that hold tremendous promise improved drug delivery, site-specific therapy, enhanced monitoring treatment outcomes, presenting substantial opportunities amplifying efficacy disease treatments. This comprehensive review outlines microbial derivatives used biomedicine specific advantages therapeutic application. In addition, we delineate fundamental strategies mechanisms employed constructing hybrids. diverse biomedical applications constructed hybrids, encompassing bioimaging, anti-tumor, anti-bacteria, anti-inflammation diseases therapy are exhaustively illustrated. We also discuss current challenges prospects associated clinical translation hybrid platforms. Therefore, unique versatility potential exhibited by position them promising candidates development next-generation biomaterials theranostic functionalities.

Language: Английский

Citations

7
Mycosynthesis of selenium nanoparticles using Penicillium tardochrysogenum as a therapeutic agent and their combination with infrared irradiation against Ehrlich carcinoma DOI Creative Commons

Abeer I. M. EL‐Sayed,

Mostafa M. El‐Sheekh, Sahar E. Abo‐Neima

et al.

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: Jan. 31, 2024

Over the past years, assessment of myco-fabricated selenium nanoparticles (SeNPs) properties, is still in its infancy. Herein, we have highly stable myco-synthesized SeNPs using molecularly identified soil-isolated fungus; Penicillium tardochrysogenum OR059437; (PeSeNPs) were clarified via TEM, EDX, UV-Vis spectrophotometer, FTIR and zeta potential. The therapeutic efficacy profile will be determined, these crystalline PeSeNPs examined for antioxidant, antimicrobial, MIC, anticancer potentials, indicating that, antioxidant activity (IC

Language: Английский

Citations

6
Unlocking the potential of titanium dioxide nanoparticles: an insight into green synthesis, optimizations, characterizations, and multifunctional applications DOI Creative Commons
Ahmed Ghareeb, Amr Fouda, Rania Kishk

et al.

Microbial Cell Factories, Journal Year: 2024, Volume and Issue: 23(1)

Published: Dec. 23, 2024

This comprehensive review explores the emergence of titanium dioxide nanoparticles (TiO

Language: Английский

Citations

5
Synthesize palladium nanoparticles from the macroalgae Sargassum fusiforme: An eco-friendly tool in the fight against Plasmodium falciparum? DOI
Chinnaperumal Kamaraj, Chinnasamy Ragavendran,

R.C. Satish Kumar

et al.

The Science of The Total Environment, Journal Year: 2022, Volume and Issue: 857, P. 159517 - 159517

Published: Oct. 24, 2022

Language: Английский

Citations

20
Polycladia myrica-based delivery of selenium nanoparticles in combination with radiotherapy induces potent in vitro antiviral and in vivo anticancer activities against Ehrlich ascites tumor DOI Creative Commons
Sahar E. Abo‐Neima,

Abdelhamid A. Ahmed,

Mostafa M. El‐Sheekh

et al.

Frontiers in Molecular Biosciences, Journal Year: 2023, Volume and Issue: 10

Published: April 12, 2023

Background: Over the last few decades, nanotechnology has entered daily life through various applications, therefore, there been a trend toward developing new approaches to green-mediated that encourage nanomaterial formation biological methods such as plants or microorganisms. Algae have gained increasing attention from scientists and paved way for emergence of "algae nanotechnology" promising field. Methods: Via using aqueous extract brown alga Polycladia myrica, selenium nanoparticles were synthesized characterized by seven instruments: SEM, TEM, UV spectra, Zeta potential, EDX, X-ray diffraction, FTIR. P. myrica (PoSeNPs) then examined their antiviral activity against HSV-1 (Herpes simplex I) anticancer human colon cancer cell line (HCT-116) in vitro vivo alone combination with laser therapy power 2 mW Ehrlich carcinoma (EAC). Results: PoSeNPs ranging between 17.48 nm 23.01 size, EDX revealed mass its atoms 0.46% ± 0.07% 0.08% 0.01% respectively. Their potentiality was maximum inhibitions 80.57% 73% IC50 = 14.86 μg/mL 50 mg/mL HCT-116 EAC lines respectively, while showed potent effect ascites Conclusion: This study concluded do not toxic effect; they exhibit high effectiveness photothermal agent therapy, applications future biomedical fields. The combined significant decrease tumor volume, massive necrosis, shrinking, disappearance. It also improvement liver histology, kidney function: urea creatinine, enzymes: ALT, AST.

Language: Английский

Citations

12
Algae-based green AgNPs, AuNPs, and FeNPs as potential nanoremediators DOI Creative Commons
Fernanda Maria Policarpo Tonelli,

Christopher Santos Silva,

Vinícius Marx Silva Delgado

et al.

Green Processing and Synthesis, Journal Year: 2023, Volume and Issue: 12(1)

Published: Jan. 1, 2023

Abstract This review addresses green algae-based gold (Au), iron (Fe), and silver (Ag) nanoparticles (NPs) as eco-friendly nanomaterials to deal with biological, organic, inorganic environmental contaminants. Among nanotechnological tools that can fully degrade, adsorb, and/or convert pollutants into less harmful structures, AgNPs, AuNPs, FeNPs deserve highlight for their efficiency low cost. However, protocols are preferable produce them in an manner. Although phycosynthesis is still its infancy, algae present various advantages raw materials NPs’ synthesis; fast growth rate, low-energy input requirement, costs, easy cultivation, high tolerance metals examples. To allow large-scale application, however, challenges regarding obtaining sufficient biomaterial good reproducibility, designing achieve desirable features on NPs, recovering the biocompatible nanomaterial after use need attention. Perspectives field involve surpassing these limitations, broadening knowledge synthesis mechanisms, protocols, new species useful offer, future, commercial eco-friendly, low-cost phycosynthesized nanoremediation. The potential of NPs contaminants, advantageous characteristics biocompatibility, main limitations associated future prospects will receive

Language: Английский

Citations

12
Sustainable Approaches in Green Synthesis of Silica Nanoparticles Using Extracts of Chlorella and Its Application DOI
R. Manikandan, Jibu Thomas

Applied Biochemistry and Biotechnology, Journal Year: 2024, Volume and Issue: unknown

Published: April 25, 2024

Language: Английский

Citations

4
Biogenic nanoparticles: Understanding their potential role in cancer theranostics DOI Creative Commons
Durdana Yasin, Neha Sami,

Bushra Afzal

et al.

Next Nanotechnology, Journal Year: 2025, Volume and Issue: 8, P. 100149 - 100149

Published: Jan. 1, 2025

Language: Английский

Citations

0
Investigating UV-Irradiation Parameters in the Green Synthesis of Silver Nanoparticles from Water Hyacinth Leaf Extract: Optimization for Future Sensor Applications DOI Creative Commons
Fueangfakan Chutrakulwong, Kheamrutai Thamaphat,

Mana Intarasawang

et al.

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(12), P. 1018 - 1018

Published: June 12, 2024

Silver nanoparticles (AgNPs) can be produced safely and greenly using water hyacinth, an invasive aquatic plant, as a reducing agent. This study aimed to optimize the UV-irradiation parameters for synthesis of AgNPs from hyacinth leaf extract. The varied reaction time pH levels added stabilizing agent mixture. synthesized were characterized UV-visible spectroscopy (UV-vis), transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared (FTIR), inductively coupled plasma optical emission (ICP-OES). findings revealed that optimal conditions synthesizing achieved by adjusting level 8.5, adding starch agent, exposing mixture UV-A radiation one hour. These resulted in smallest size highest quantity AgNPs. Furthermore, AgNP colloids remained stable up six months. highlights potential utilizing sustainable cost-effective synthesis, with applications pharmaceuticals, drug development, catalysis, sensing detection.

Language: Английский

Citations

3