Results 1 to 10 of about 53 (39)

Biosynthesis and Characterization of Silver Nanoparticles from the Extremophile Plant Aeonium haworthii and Their Antioxidant, Antimicrobial and Anti-Diabetic Capacities [PDF]

open access: yesNanomaterials, 2022
The present paper described the first green synthesis of silver nanoparticles (AgNPs) from the extremophile plant Aeonium haworthii. The characterization of the biosynthesized silver nanoparticles was carried out by using UV-Vis, FTIR and STM analysis ...
Badiaa Essghaier   +5 more
doaj   +2 more sources

First Report of the Biosynthesis and Characterization of Silver Nanoparticles Using Scabiosa atropurpurea subsp. maritima Fruit Extracts and Their Antioxidant, Antimicrobial and Cytotoxic Properties [PDF]

open access: yesNanomaterials, 2022
Candida and dermatophyte infections are difficult to treat due to increasing antifungal drugs resistance such as fluconazole, as well as the emergence of multi-resistance in clinical bacteria. Here, we first synthesized silver nanoparticles using aqueous
Badiaa Essghaier   +9 more
doaj   +2 more sources

Crystal structure of Na4Co7−xAl0.67x(As1−yPyO4)6 (x = 1.60; y = 0.116) [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2016
The title compound, tetrasodium hepta(cobalt/aluminium) hexa(arsenate/phosphate), Na4Co5.40Al1.07(As0.883P0.116O4)6, was prepared by a solid-state reaction.
Chokri Issaoui   +2 more
doaj   +2 more sources

Structure cristalline et analyses thermique et de surface Hirshfeld du diperchlorate de 4-azaniumyl-2,2,6,6-tétraméthylpipéridin-1-ium [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2017
The synthesis of 4-azaniumyl-2,2,6,6-tetramethylpiperidin-1-ium diperchlorate, C9H22N22+·2ClO4−, was carried out from an aqueous reaction of perchloric acid with 4-amino-2,2,6,6-tetramethylpiperidine.
Hammouda Chebbi   +3 more
doaj   +2 more sources

K1+2xNi1−xFe2(AsO4)3 (x = 0,125): un nouvel arséniate à structure de type α-CrPO4 [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2017
A new arsenate K1+2xNi1−xFe2(AsO4)3 (x = 1/8) {potassium nickel diiron(III) tris[arsenate(V)]} was synthesized using a flux method and its crystal structure was determined from single-crystal X-ray diffraction data.
Ridha Ben Smail, Mohamed Faouzi Zid
doaj   +2 more sources

Le nitrate double NaRb2(NO3)3, composé intermédiaire du système binaire isobare NaNO3 + RbNO3: études thermiques et cristallographiques [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
Crystallographic and thermodynamic investigations of the binary (NaNO3 + RbNO3) phase diagram at atmospheric pressure reveal the existence of an intermediate compound NaRb2(NO3)3 (sodium dirubidium trinitrate) previously predicted and now reported ...
Nesrine Ksiksi   +4 more
doaj   +2 more sources

Tetra-n-butylammonium orotate monohydrate: knowledge-based comparison of the results of accurate and lower-resolution analyses and a non-routine disorder refinement [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2019
The title hydrated molecular salt (systematic name: tetra-n-butylammonium 2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate monohydrate), C16H36N+·C5H3N2O4−·H2O, crystallizes with N—H...O and O—H...O hydrogen-bonded double-stranded antiparallel ...
Irene Ara   +5 more
doaj   +2 more sources

The Influence of the Chemical Structures of Chitosan and Acid Dye on the Adsorption Process

open access: yesE-Journal of Chemistry, 2012
The objective of this paper is the study of the influence of the chemical structures of adsorbent and adsorbate on the adsorption process. By using of crab shell chitosan (CC) and deep-pink shrimp chitosan (CP) for removal of acid 183 and AR114 from ...
Hayet Ben Ali   +4 more
doaj   +2 more sources

Genome and pan-genome analysis of a new exopolysaccharide-producing bacterium Pyschrobacillus sp. isolated from iron ores deposit and insights into iron uptake [PDF]

open access: yesFrontiers in Microbiology
Bacterial exopolysaccharides (EPS) have emerged as one of the key players in the field of heavy metal-contaminated environmental bioremediation. This study aimed to characterize and evaluate the metal biosorption potential of EPS produced by a novel ...
Afef Najjari   +10 more
doaj   +2 more sources

Bioleaching as an Eco‐Friendly Nano‐Factory for Sustainable Inorganic Waste Management: Current Advancements, Challenges, and Opportunities [PDF]

open access: yesChemistryOpen
Inorganic waste management and metal recovery technology pose significant challenges to the global research community and policymakers. Bioleaching is an economical, eco‐friendly, and sustainable technology used for extracting metals and nanoparticles ...
Adhish Jaiswal   +7 more
doaj   +2 more sources

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