Yasmina Khane

Université de Ghardaia · Science et technologie

In recent decades, there has been considerable interest in combining nanotechnology with other fields of study, particularly for creating biocompatible nanocomposites. These nanocomposites have the potential for various applications in biomedical science, biosensors, bio-chip design, drug delivery, and gene delivery, among others. These materials p...

Tin sulfide (SnS2) is a material known for its effective photocatalytic activity due to its affordability and wide light spectrum response. To enhance and optimize its optical and chemical characteristics, doping is a straightforward approach that can improve its photocatalytic efficiency. This work focuses on the effect of Cu doping on the structu...

Lead (Pb ⁺² ) ions considered a crucial neurotoxic heavy metal result in serious troubles in the live biological environment including poisoning, and liver and kidney shortage, in addition to anemia, hepatitis, encephalopathy, and renal syndrome. In the current study, the biomass of Zea mays (ZMS) was prepared as a biosorbent for the elimination of...

In this contribution, we report the screening of different parameters contributing to the electrodeposition of Cu 2 O nanostruc-tures as an electrode material to provide an overall understanding of the effect of the entire method conditions. We varied different parameters (pH, potential, and deposition time) during the electrodeposition of cuprous...

The current study proposed a novel simple and environmentally friendly approach for producing silver nanoparticles (AgNPs) using an extract of Moringa oleifera leaves (MOL) and optimizing the different experimental factors required for the formation and stability of AgNPs. The formation of nanoparticles was confirmed by a color change from yellow t...

This paper introduces a novel application of bifunctional Pr-doped SnS2 thin films, demonstrating their efficacy in both photocatalytic degradation of dye and antibacterial activities. The thin films were fabricated using an eco-friendly spray-coated method, encompassing undoped and Pr-doped SnS2 variations. The study comprehensively examines the s...

In this study, the influence of Ag atom doping on NiO thin films was investigated, focusing on their optical, structural, surface morphological, and chemical composition properties. The NiO thin films were doped with Ag atoms at concentrations of 2 at.% and 4 at.%, resulting in significant changes in their structural and surface morphological chara...

Bacterial resistance to different antimicrobial agents is growing with alarming speed, especially when bacterial cells are living in biofilm. Hybrid nanoparticles, synthesized through the green method, hold promise as a potential solution to this challenge. In this study, 66 actinomycete strains were isolated from three distinct marine sources: mar...

In the present study, we present a comprehensive investigation on the synthesis and thorough characterization of La (2 and 4 at. %)-doped 2D-SnS 2 thin films, which were prepared by a spray-coating method with a clear molecular ink. These thin films were specifically targeted for their potential application in photodegradation. The impact of La dop...

Recent studies have focused a significant amount of attention on the problem of dyes in water because of their adverse outcomes for the environment and people’s life. In the current work, the adsorption capacity of the sawdust of grapevine wood (GVW) from agricultural waste was employed as a new inexpensive, and green biosorbent via a batch adsorpt...

Bioactive plant chemicals are considered to be rich and useful for creating nanomaterials. The current work investigated the biosynthesis of silver nanoparticles (AgNPs) using ethanolic flaxseed extract as an efficient reducing factor. The production of AgNPs was verified by color-shifting observation of the mixture of silver nitrate (AgNO3) from y...

Lead ions are an efficient neurotoxic metal that results in serious disorders for human beings, including poisoning, kidney and liver disorders, hepatitis, anaemia, encephalopathy, and nephritic syndrome. The low-cost and eco-friendly biocomposite from Zea mays sponge (ZMS) biomass encapsulated using Na-alginate in the cross-linked matrix (ZMS/Na-a...

In the present study, we report for the first time the elaboration of n-ZnS/p-PbS heterojunction thin film by spin-coating method and its antimicrobial and photocatalytic activities. The resulting films were characterized using XRD, XPS, FESEM, and EDS. The FESEM results revealed uniform nanostructures films with small spherical shapes and slight v...

This study reports the fabrication and characterization of zinc oxide (ZnO) and europium-doped ZnO (Eu-doped ZnO) films and their antibacterial activities. The spray pyrolysis method was used to synthesize ZnO and 1, 2, 3, and 4% Eu-doped ZnO thin films on the glass substrate. The fabricated Eu-ZnO thin films were characterized using x-ray diffract...

Polyaniline (PANI), which is highly conductive, could be used in various applications, including energy storage, photocurrent production, and sensor devices. In order to obtain pure and high-performance PANI nanofibers films, aniline was electropolymerized into PANI films using two electrochemical techniques onto an indium tin oxide coated glass su...

Pristine ZnO thin films, as well as 1, 2, 3 and 4 at.% Gd:ZnO thin films, were synthesized via a spray pyrolysis approach on glass substrates and different analysis methods were used to explore the effect of Gd ion doping on the structural, morphological, chemical, and optical characteristics. The presence of functional groups and chemical bonds as...

The current work concentrated on the green synthesis of silver nanoparticles (AgNPs) through the use of aqueous Citrus limon zest extract, optimizing the different experimental factors required for the formation and stability of AgNPs. The preparation of nanoparticles was confirmed by the observation of the color change of the mixture of silver nit...

The current work concentrated on the green synthesis of silver nanoparticles (AgNPs) through the use of aqueous Citrus limon zest extract, optimizing the different experimental factors required for the formation and stability of AgNPs. The preparation of nanoparticles was confirmed by the observation of the color change of the mixture of silver nit...

The coagulation-flocculation process is an essential step in the water treatment chain. It consists of eliminating suspended matter and colloidal substances responsible for the transfer of contaminants into the environment. The efficiency of the process depends on several factors, mainly the pH of the wastewater, the dosage of the coagulant used, t...

The use of natural, eco-friendly coagulant-flocculants in wastewater treatment can help to reduce suspended particles in a way that includes less exhaustible materials with minimal adverse effects on the environment. Hence, this study is to investigate raw diatomaceous earth (diatomite) as a sustainable ecological coagulant to reduce colloids and s...

This study aims to determine the efficacy of using calcium hydroxide Ca(OH)2 in coagulation process to treat urban liquid effluent from wastewater purification plant. The response surface methodology was used. The effects and interactions between three key process parameters was enhanced applying Box-Behnken design. Factors studied were: coagulant...

Hydrocarbons, aldehydes, sulfides, heavy metals, and other contaminants from petroleum treatment processes have been discovered in the oil and gas industry liquid discharge. Hydrocarbons primarily cause the pollution shared by all units. The purpose of this study is to assess the performance of the coagulation-flocculation process in the primary tr...

Hydrocarbons, aldehydes, sulfides, heavy metals, and other contaminants from petroleum treatment processes have been discovered in the oil and gas industry liquid discharge. Hydrocarbons primarily cause the pollution shared by all units. The purpose of this study is to assess the performance of the coagulation-flocculation process in the primary tr...

Due to its efficiency, eco-friendliness, non-toxicity, and cost-effectiveness, the utilisation of plant extracts in the manufacture of silver nanoparticles has garnered attention. The purpose of this study is to determine the feasibility of generating silver nanoparticles from an aqueous extract of Citrus limon leaves and their size and composition...

This study depicts the electrochemical synthesis of nanocomposites based on polyaniline nanorods (NRs) wrap with reduced graphene oxide (PANI–rGO) on ITO substrates for photocurrent generation, photodegradation, and antibacterial applications. The synthesis of PANI–rGO nanocomposites was elaborated by the incorporation of rGO into PANI thin films d...

Hydrocarbons, aldehydes, sulfides, heavy metals, and other contaminants from petroleum treatment processes have been discovered in the oil and gas industry liquid discharge. Hydrocarbons primarily cause the pollution shared by all units. The purpose of this study is to assess the performance of the coagulation-flocculation process in the primary tr...

This study depicts the electrochemical synthesis of nanocomposites basede on Polyaniline nanorods wrap with reduced graphene oxide (PANI-rGO) on ITO substrates. Synthesis of PANI-rGO nanocomposites was elaborated by the incorporation of rGO in PANI thin films during electropolymerization in the presence of sulfuric acid. The synthesis of reduced gr...

To eval u ate the in flu ence of the dry ing on the con tent and qual ity of es sen tial oils ex tracted from aer ial parts of Pitu ran thos chlo ran thus cul ti vated in Zelfana (Al ge ria). The chem i cal com po si tion of hy dro - distilled oil sam ples was in ves ti gated by GC/ MS and GC - FID. The an timi cro bial ac tiv i ties were as sess...

The present study reports a cost effective and environment friendly technique for the preparation of silver nanoparticles (AgNPs) using Thymus algeriensis leaf extract as reducing and capping agent. The effects of reactants ratio, contact time, pH and temperature on the synthesis of the Ag nanoparticles were investigated. It was found that the rate...

BACKGROUND Biodegradable polymers of natural origin have shown great interest in release of active substances such as antioxidants as a quercetin or ascorbic acid (AA) given its interest in human health, the aim of this study is to make sure of the dissolution of this active ingredient in two reconstituted pH 1.2 (stomach) and pH 7.4, for this it i...

The Biodegradable poly(ethylene succinate) (PESu) was synthesized by melt polycondensation of ethylene glycol and succinic acid. The synthesized polymer was analyzed by 1H nuclear magnetic resonance (NMR) and Fourier transform-infrared (FT-IR) spectroscopy, diffraction X-rays (DRX) and were confrmed the chemical structure with weight-average molecul...

There is a growing threat of water-borne infectious diseases, especially in the developing world. It is estimated that water-borne pathogens cause between 10 and 20 million deaths a year worldwide. The use of polymers to bio-remediate and disinfect water is gaining popularity because of unlimited benefits that accrue from producing materials with h...

In this study, Biodegradable poly(ester amide) (PEA) were synthesized by the melt polycondensation of adipic acid (AA) and 1,2-bis (2-oxazolinyl-2) butane (BBO). The solubility of the polymer was checked in different polar and non-polar solvents, their chemical structures were confirmed by FT-IR, 1H-NMR and 13C-NMR spectroscopic techniques, and the...