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Sonochemical activation-assisted biosynthesis of Au/Fe < sub > 3 < /sub > O < sub > 4 < /sub > nanoparticles and sonocatalytic degradation of methyl orange
Ultrason Sonochem. 2021 Mar 15;73:105521. doi: 10.1016/j.ultsonch.2021.105521. Online ahead of print.ABSTRACTIn this research, a sonochemical activation-assisted biosynthesis of Au/Fe3O4 nanoparticles is proposed. The proposed synthesis methodology incorporates the use of Piper auritum (an endemic plant) as reducing agent and in a complementary way, an ultrasonication process to promote the synthesis of the plasmonic/magnetic nanoparticles (Au/Fe3O4). The synergic effect of the green and sonochemical synthesis favors the well-dispersion of precursor salts and the subsequent growth of the Au/Fe3O4 nanoparticles. The hybrid ...
Source: Ultrasonics Sonochemistry - March 28, 2021 Category: Chemistry Authors: Álvaro de Jesús Ruíz-Baltazar Source Type: research

Sustainable and green trends in using plant extracts for the synthesis of biogenic metal nanoparticles toward environmental and pharmaceutical advances: A review
Environ Res. 2021 Jul 7:111622. doi: 10.1016/j.envres.2021.111622. Online ahead of print.ABSTRACTConventionally utilized physical and chemical routes for constructing nanoparticles are not eco-friendly. They are associated with many shortcomings like the requirement of specially designed equipment, templates, extremely high temperature, and pressure. Biosynthesis seems to be drawn unequivocal attention owing to its upsurge of applications in different fields like; energy, nutrition, pharmaceutical, and medicinal sciences. To harness the biological sources, the present review describes an environment-friendly route to gener...
Source: Environmental Research - July 10, 2021 Category: Environmental Health Authors: Vatika Soni Pankaj Raizada Pardeep Singh Hoang Ngoc Cuong Rangabhashiyam S Adesh Saini Reena V Saini Quyet Van Le Ashok Kumar Nadda Thi-Thu Le Van-Huy Nguyen Source Type: research

Impact of Phytomediated Zinc Oxide Nanoparticles on Growth and Oxidative Stress Response of < em > In Vitro < /em > Raised Shoots of < em > Ochradenus arabicus < /em >
In this study, we assessed the effects of phytomediated zinc oxide nanoparticles (ZnONPs) on shoot growth, biochemical markers, and antioxidant system response in Ochradenus arabicus, which is a medicinal plant. The shoot length and fresh and dry weights were found to be higher in groups with 5 and 10 mg/L ZnONPs than in the control. At high concentrations of ZnONPs (50, 100, and 300 mg/L), biomass was decreased in a concentration-dependent manner. The shoot number was observed to be highest at 50 mg/L among all applied concentrations of ZnONPs. The levels of the stress markers proline and TBARS were found to be higher in ...
Source: Biomed Res - December 16, 2021 Category: Research Authors: Fahad Al-Qurainy Salim Khan Saleh Alansi Mohammad Nadeem Aref Alshameri Abdel-Rhman Gaafar Mohamed Tarroum Hassan O Shaikhaldein Abdalrhaman M Salih Norah Arrak Alenezi Norah S Alfarraj Source Type: research

Lassa virus glycoprotein nanoparticles elicit neutralizing antibody responses and protection
Cell Host Microbe. 2022 Nov 17:S1931-3128(22)00531-5. doi: 10.1016/j.chom.2022.10.018. Online ahead of print.ABSTRACTThe Lassa virus is endemic in parts of West Africa, and it causes hemorrhagic fever with high mortality. The development of a recombinant protein vaccine has been hampered by the instability of soluble Lassa virus glycoprotein complex (GPC) trimers, which disassemble into monomeric subunits after expression. Here, we use two-component protein nanoparticles consisting of trimeric and pentameric subunits to stabilize GPC in a trimeric conformation. These GPC nanoparticles present twenty prefusion GPC trimers o...
Source: Cell Host and Microbe - November 18, 2022 Category: Microbiology Authors: Philip J M Brouwer Aleksandar Antanasijevic Adam J Ronk Helena M üller-Kräuter Yasunori Watanabe Mathieu Claireaux Hailee R Perrett Tom P L Bijl Marloes Grobben Jeffrey C Umotoy Angela I Schriek Judith A Burger Khadija Tejjani Nicole M Lloyd Thijs H Ste Source Type: research

Biosynthesis of metallic nanoparticles using plant derivatives and their new avenues in pharmacological applications - An updated report
Publication date: Available online 8 December 2014 Source:Saudi Pharmaceutical Journal Author(s): Palaniselvam Kuppusamy , Mashitah M. Yusoff , Natanamurugaraj Govindan The field of nanotechnology mainly encompasses with biology, physics, chemistry and material sciences and it develops novel therapeutic nanosized materials for biomedical and pharmaceutical applications. The biological syntheses of nanoparticles are being carried out by different macro-microscopic organisms such as plant, bacteria, fungi, seaweeds and microalgae. The biosynthesized nanomaterials have been effectively controlling the various endemic diseas...
Source: Saudi Pharmaceutical Journal - December 11, 2014 Category: Drugs & Pharmacology Source Type: research