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Total 96045 results found since Jan 2013.

Selenite bioreduction with concomitant green synthesis of selenium nanoparticles by a selenite resistant EPS and siderophore producing terrestrial bacterium
Biometals. 2023 Apr 29. doi: 10.1007/s10534-023-00503-y. Online ahead of print.ABSTRACTEnvironmental bacterial isolates play a very important role in bioremediation of metals and toxic metalloids. A bacterial strain with high selenite (SeO32-) tolerance and reducing capability was isolated from electronic waste dump site in Banaras Hindu University, Varanasi, India. Based on 16 S rRNA sequencing and BLAST search, this bacterial isolate was identified as Bacillus paramycoides and designated as strain MF-14. It tolerated Sodium selenite up to 110 mM when grown aerobically in LB broth and reduced selenite into elemental selen...
Source: Biometals - April 29, 2023 Category: Biochemistry Authors: Pooja Yadav Shraddha Pandey Santosh Kumar Dubey Source Type: research

In vitro anthelmintic effect of biologically synthesized silver nanoparticles on liver amphistome, Gigantocotyle explanatum.
Abstract In order to ensure global food security a rationale approach is required to control all those factors which directly or indirectly affect the food productivity. The neglected helminthic diseases alone are responsible for huge economic losses to the agrarian stakeholders. The problem is further compounded by the emerging drug resistance in flukes against the commonly used anthelmintics like triclabendazole. Therefore, the search for alternatives including the nano-based approaches has become a necessity to develop future control strategies. In the present study the effect of biologically synthesized silver...
Source: Experimental Parasitology - February 12, 2019 Category: Parasitology Authors: Rehman A, Ullah R, Uddin I, Zia I, Rehman L, Abidi SMA Tags: Exp Parasitol Source Type: research

Phytofabrication of Selenium Nanoparticles From Emblica officinalis Fruit Extract and Exploring Its Biopotential Applications: Antioxidant, Antimicrobial, and Biocompatibility
Conclusion The present study shows phytofabrication of SeNPs from aqueous fruit extract of E. officinalis by facile, green, economic, and eco-friendly approach. The aqueous fruit extract of E. officinalis was rich with phenolics, flavonoids, and tannins, and was found appropriate for biosynthesis of nanoparticles. The synthesized PF-SeNPs exhibited highly stable, negative charge, amorphous nature, spherical shape and nano-size. The PF-SeNPs has presented efficient bio-potential applications, i.e., antioxidant, antimicrobial, and biocompatibility. The PF-SeNPs has shown potent free radical scavenging activity and it was fo...
Source: Frontiers in Microbiology - April 29, 2019 Category: Microbiology Source Type: research

Anti-Dengue Activity of ZnO Nanoparticles of Crude Fucoidan from Brown Seaweed S.marginatum
Appl Biochem Biotechnol. 2022 May 19. doi: 10.1007/s12010-022-03966-w. Online ahead of print.ABSTRACTDengue fever is a rapidly spreading infection that affects people all over the tropics and subtropics, posing a significant public health threat. The brown seaweed Stoechospermum marginatum was found all over the world, from South Africa (Indian Ocean) to Australia (Pacific Ocean), among other places. In India, it is only available along the coast of the Bay of Bengal, which is a small region. Various metal oxides were proved to be successful in the formation of nanoparticles and zinc is one among them. In this present stud...
Source: Applied Biochemistry and Biotechnology - May 19, 2022 Category: Biochemistry Authors: Ramalingam Kothai Balasubramanian Arul Venkattappan Anbazhagan Source Type: research

Evaluation of the nutrient profile of Trachyspermum ammi L. seed under the influence of nanoparticles during germination.
This study aimed to provide new insight of the potential growth promoting effects of the nanoparticles () on plant system. Different concentrations of two nanoparticles, that is, iron pyrite (FeS2) and molybdenum disulphide (MoS2) at three different concentrations of 25ug/ml, 50ug/ml and 75ug/ml were tested on the seeds of Trachyspermum ammi L. The data indicated that nanoparticles enhanced the seedling growth as greener leafs and increased lengths of epicotyl and hypocotyls were seen. These nanoparticles also showed the potential to increase the contents of primary metabolites during germination and the total soluble prot...
Source: Cellular and Molecular Biology - October 3, 2017 Category: Molecular Biology Tags: Cell Mol Biol (Noisy-le-grand) Source Type: research

Iron nanoparticles decorated hierarchical carbon fiber forest for the magnetic solid-phase extraction of multi-pesticide residues from water samples
This study describes a versatile, robust and fast sample pre-concentration novel method based on chemical vapour deposition grown iron nanoparticles dispersed hierarchical carbon fiber forest (Fe-ACF/CNF) for the determination of multi-pesticide residue in water samples. This method was developed by the implementation of Fe-ACF/CNF to magnetic solid-phase extraction method (MSPE) for the adsorption of twenty-nine pesticides of various classes using gas chromatography equipped with an electron capture detector. Fe-ACF/CNF was grown via tip growth mechanism and Fe-nanoparticles are moved to the tip of CNF. The presence of Fe...
Source: Chemosphere - June 10, 2021 Category: Chemistry Authors: Minu Singh Anushka Pandey Shiv Singh Sheelendra Pratap Singh Source Type: research