Devanesan S.

King Saud University | KKUH · Laser Diagnosis Cancers; Department of Physics

In the pursuit of efficient photocatalytic materials for environmental applications, a new series of g-C3N4/N-doped CeO2 nanocomposites (g-C3N4/N-CeO2 NCs) was synthesized using a straightforward dispersion method. These nanocomposites were systematically characterized to understand their structural, optical, and chemical properties. The photocatal...

Oreochromis niloticus a Nile tilapia fish is widely used for fish culture practice in many countries for its easy acclimatization and high yield at a short pace of time. Selenium‐chitosan (SeCh) nanoparticles are efficiently used in agriculture, medicine, and aquaculture practices in several studies. The significant approach of Selenium‐Chitosan in...

The presence of toxic trace elements (TEs) has resulted in a worldwide deterioration in freshwater ecosystem quality. This study aimed to analyze the distribution of TEs, including chromium (Cr), nickel (Ni), arsenic (As), mercury (Hg), cadmium (Cd), and lead (Pb), in water, sediment, and organs of Tilapia (Oreochromis mossambicus) collected from s...

Plant extracts are a great alternative to synthesizing nanoparticles of different metals and metal oxides. This green synthesis method has opened up numerous possibilities in various scientific domains. In present study, Leaf extract from Vitex negundo is a non-deciduous, long-lasting shrub from the Verbenaceae family is used as capping and reducin...

Since the advent of nanotechnology, nanocomposites (NCs) have been synthesized via novel approaches. In this regard, polymer-based NCs have been widely explored due to their exceptional characteristics as a result of the incorporation of nanofillers into the polymer matrix. In the present research, the synthesis of titanium oxide (TiO2) nanoparticl...

The research aimed to prepare eco‐friendly bio‐nanocomposite films utilizing gelatin/starch (GS), nano‐ZnO, and Darbha grass extract via the solution casting method. Then, it was examined the mechanical and physical properties of different durations of sunlight exposure on the prepared films. The results indicated that up to 12 h of sunlight exposu...

Third-order nonlinear optical (NLO) features of chlorophyll, a natural green dye is obtained from Coleus amboinicus is reported herein for the first time. The natural dye is characterized by UV–Visible, FT-IR and gas chromatography mass spectrum. Third-order NLO parameters such as nonlinear refractive index (n2) and nonlinear absorption coefficient...

A novel integrated electrochemical oxidation (EO) and bacterial degradation (BD) technique was employed for the remediation of the chloropyridinyl and chlorothiazolyl classes of neonicotinoid (NEO) insecticides in the environment. Imidacloprid (IM), clothianidin (CL), acetamiprid (AC), and thiamethoxam (TH) were chosen as the target NEOs. Pseudomon...

Background Cooling towers are specialized heat exchanger devices in which air and water interact closely to cool the water's temperature. However, the cooling water contains organic nutrients that can cause microbial corrosion (MC) on the metal surfaces of the tower. This research explores the combined wastewater treatment approach using electroche...

Herein, we report the nonlinear optical (NLO) refraction and absorption features of azo dye namely, methyl orange (MO) dissolved in ethanol, methanol, acetone, 1-propanol, DMF and DMSO. The UV–Visible absorption study reveals that the maximum absorption spectrum of MO dye appeared towards longer wavelength by increasing the solvent polarizability i...

Age-related macular degeneration, retinal dysfunction, dry eye syndromes, cataract formation, and the prevalence of other vision defects are directly related to nutrients in the diet. People consuming seafood are less prone to several vision disorders. The present study was designed to validate the view. In this study, 712 visitors to tertiary eye...

This study emphasis the solvent effect on third-order nonlinear optical (NLO) features of methyl red (MR) dye dissolved in polar solvents including ethanol, methanol, acetone, 1-propanol, DMF and DMSO using low power diode laser. Z–scan technique operating at 405 nm wavelength, is used to estimate the third-order NLO features of MR dye in various s...

Graphene-based nanocomposites are developing as a new class of materials with several uses. The varied weight percentages of rGO on Ag2S catalysts were synthesized using a simple hydrothermal process and employed for the decomposition of anionic dye naphthol green B (NGB) under solar light. The reduced graphene oxide-based silver sulfide (rGO/Ag2S)...

This study presents an environmentally sustainable method for minimizing sludge production in the textile effluent sector through the combined application of electrokinetic (EK) and electrooxidation (EO) processes. AAS and XRF analyses reveal that utilizing acidic electrolytes in the EK method successfully eliminates heavy metals (Cu, Mn, Zn, and C...

The rising interest in bioactive phyto-compounds, known for their antioxidant, phenolic, and flavonoid properties, has focused attention on Moringa oleifera. With its abundant phyto-molecules, Moringa is a promising source for biomolecule extraction. As a significant vegetable crop, Moringa provides ample nutrients that can be efficiently extracted...

The removal of color-causing compounds from wastewater is a significant challenge that industries encounter due to their toxic, carcinogenic, and harmful properties. Despite the extensive research and development of various techniques with the objective of effectively degrading color pollutants, the challenge still persists. This paper introduces a...

The current work is concerned with the fabrication of titanium dioxide (TiO2) nanoparticles (NPs) employing Capparis zeylanica leaf extract, as well as the investigation of the antidiabetic potential of the synthesized nanoparticles in relation to food-borne infections. Various spectroscopic and microscopic approaches were used to characterize the...

The primary challenge for farmers at present is providing for an ever-increasing population while having little available land that is severely polluted. Zinc oxide (ZnO) nanoparticles (NPs) exhibit interesting properties and potential for applications in various disciplines, especially as nanomaterials in agriculture. In this study, to improve the...

The degradation of organic dye contaminants provides a promising approach for mitigating pollutants and addressing wastewater treatment. Despite the extensive research and development of various photocatalysts with the objective of effectively degrading organic pollutants, the challenge still persists. This paper introduces a facile and sustainable...

A R T I C L E I N F O Keywords: CeO2-CePO4 nanocomposites Penaeus semisulcatus Sensing of heavy metals Sun protection factor Cytotoxicity A B S T R A C T CeO2-CePO4 and Ag@CeO2-CePO4 nanocomposites (NCs) were prepared using Penaeus semisulcatus and characterized by various analytical techniques. The NCs exhibited spherical morphology, with average...

This study describes a straightforward, effective, and eco-friendly method for producing ZnO nanoparticles (ZnO NPs) employing the fruit peel extract of bitter oranges. This strategy intends to increase the antimicrobial activity, antiproliferation, and photodegradation capabilities of ZnO NPs while reducing the consumption of hazardous chemicals i...

MnO2 nanoparticles have a wide range of applications, including catalytic abilities due to their oxygen reduction potential. Industrial processes and the burning of organic materials released PAHs into the biosphere which have adverse effects on living organisms when continually exposed. In this study, MnO2 nanoparticles were synthesized chemically...

Introduction Ointments are generally used as a therapeutic agent for topical medication or transdermal drug delivery, such as wound healing and skin lesions. Methods In this study, Tridax procumbens plant extract (0.7 g/mL) was used to prepare herbal-infused oil as the oil phase and gelatin-stabilized silver nanoparticle (G-AgNPs) (0.3 g/mL) as th...

In ancient times, herbal plants were considered one of the greatest gifts from nature that human beings could receive, and about 80% of these plants have medicinal uses. In traditional medicine, Mentha arvensis, commonly known as mint, has many applications, and in the present study, the mint leaf extract has been used to synthesis nanoparticles us...

Nanotechnology is an emerging technology that uses medicinal plants to extract nanoparticles for conventional applications. In the present investigation, the medical plant Tulsi (Ocimum sanctum) has been used in the synthesis of Co nanoparticles in a cost-effective, feasible process. The efficiency of nanoparticles in removing methyl orange dye was...

In this study, silver nanoparticles were synthesized using Cucumis melo L. leaf extract via a green synthesis approach and their potential against diabetes and coccidiosis was tested under in vitro conditions. The phytochemical components in the leaf extract reacted with silver nitrate in solution and yielded C. melo-silver nanoparticles (Cm-AgNPs)...

The metal ion-based nanocomposite photocatalysts were accepted to exhibit a wide range of photocatalytic and biological applications. In this paper, we synthesize bare Fe2O3, 1 wt% metal (Ag, Co, and Cu) doped Fe2O3 nanoparticles (NPs) using a simple hydrothermal process and wet impregnation method. The as-prepared nanomaterials crystalline structu...

This research was performed to evaluate physico-chemical properties of farmland soil nearby the magnesite mine site. Unexpectedly, few physico-chemical properties were crossing the acceptable limits. Particularly, the quantities of Cd (112.34 ± 3.25), Pb (386.42 ± 11.71), Zn (854.28 ± 3.53), and Mn (2538 ± 41.11) were crossing the permissible limit...

The proposed research outlines a facile method to synthesize Silver Chromate/reduced graphene oxide nanocomposites (Ag2CrO4/rGO NCs) with a narrow dissemination size for the ecological treatment of hazardous organic dyes. The photodegradation performance toward the decontamination of model artificial methylene blue dye was assessed under solar ligh...

The current work primarily deals with the synthesis of nitrogen rich carbon dots from Delonix regia along with characterisation using several analytical techniques for fluorescent sensing of Fe(III) and cysteine, electrochemical sensing of hydrogen peroxide and DNA binding. The average particle size of the spherical N-CDs is calculated to be 2.23 n...

Extensive efforts are being made to produce and use variety of alternative energies in order to meet the rising global energy demand. The main purpose of this research was to evaluate the mass fuel burnt, emissions, and performance properties of biodiesel made from non-edible Karanja oil along with hydrogen and nanoparticles in a standard diesel en...

Modern society's biggest challenges are affordable, clean energy production and storage. Thus, recent research aims at the discovery of novel electrode materials for enhanced energy production and storage. Herein, nitrogen-implanted carbon particles were synthesized for the first time from the Acorus Calamus for the symmetric supercapacitor applica...

Latest changes in nanotechnology have given a lot of attention to eco-friendly procedures that promote economic sustainability using conservative interaction settings and non-toxic precursors. As a reducing and stabilizing agent, an aqueous extract of heneicosane was used in the current work to create bio-augmented silver nanoparticles utilizing an...

Supply of safe drinking water is a high-risk challenge faced internationally. Hybrid technologies involving nanomaterials can offer possible solutions to this research involving natural biopolymers. Porous chitosan with a high specific surface area has promising properties but its use as a membrane component in water purification is still rarely re...

Three-dimensional multi-porous Iron Oxide/carbon (Fe2O3/C) composites derived from tamarind shell biomass were synthesized by a single-step co-pyrolysis technique and utilized for Paracetamol (PAC) dismissal in the combined adsorption, and advanced oxidation such as electrochemical regeneration techniques. The Fe2O3/C composites were prepared by di...

In this study, aqueous and methanol extracts of Morinda coreia (MC) leaves were tested for antioxidant and antibacterial activity under in vitro conditions. Phytochemical analysis using UPLC-ESI-MS revealed the presence of phenolics, flavonoids, alkaloids, glycosides, amino acids, proteins, saponins, and tannins. Under in vitro conditions, antioxid...

The use of second-generation biodiesel has been increasing swiftly in the place of petroleum fuels. This paper explains the influence of chicken waste on a direct injection diesel engine performance, combustion and emission characteristics. The combination of hydrogen and biodiesel derived from waste chicken fat were examined across various engine...

In this study, liquid chromatography and mass spectrometry were used to screen the active phytochemicals and analyze antioxidant activity of Croton bonplandianum. In addition, cadmium telluride quantum dots were used to analyze the fluorescence quenching capabilities of Croton bonplandianum plants. UPLC-ESI-MS was used to screen polyphenols in the...

Water contamination by reactive dyes is a serious concern for human health and the environment. In this study, we prepared high efficient SnO2/CuO/rGO nanocomposites for reactive dye degradation. For structural analysis of SnO2/CuO/rGO nanocomposites, XRD, UV-Vis DRS, SEM, TEM-EDAX, and XPS analysis were used to characterize the physicochemical pro...

In this research, we looked at how heterostructure fabrication, phase ratio, and crystalline nature affect the photocatalytic activity of ZnO/ZnFe2O4 nanocomposite for the degradation of Rhodamine B (RhB) dye when exposed to sunlight irradiation. Magnetic ZnO/ZnFe2O4 hybrid nanocomposites were made using a co-precipitation technique. The synthesize...

The green ZnO NPs were employed to fabricate Citrus aurantium fruit peel extract in this study. Several optical spectroscopic and electron microscopic methods were used to confirm their formation. The fabricated ZnO NPs had a spherical form with a good crystallinity and average size is 25 nm. The optimal concentrations of ZnO NPs for tomato (Solanu...

Carob-mediated calcium hydroxide nanoparticles (C-CaOH2 NPs) are a type of NPs, newly developed via a green synthesis method, that have demonstrated good in vitro biocompatibility. However, their antibacterial potential has not yet been explored. Both calcium hydroxide and carob are known for their antibacterial potency as bulk materials; thus, we...

Photoacoustic imaging (PAI) is an evolving modality for studying and imaging tumor hypoxia. The experimental results from animals treated with ALA for Pre-PDT, Post-PDT, 4hr PDT, 24 hr PDT show a short-term increase in the BV followed by a strong decrease; however, no complete stasis. An alternate method is created by looking at the spatial and fre...

This study compares the inhibitory activities of methanolic extraction of various plants including Artemisia pallens (MEAP), mangrove leaves Rhizophora mangle (MERM), Avicennia marina (MEAM) and seaweeds Pandia povanica (MEPP), Sargassum tenerrimum (MEST) on the corrosion of mild steel (MS) coupons that were incubated on Pseudomonas stutzeri (P. st...

In the present work, the production of biosurfactant was studied from the bacterial strains isolated from the marine sponge Clathria sp. sample collected from oil-contaminated coastal region of V.O. Chidambaranar Harbour, Thoothukudi, Tamil Nadu, India. Six morphologically distinct biosurfactant-producing bacterial strains (SJ1-SJ6) isolated on oil...

This study aimed to carry out the bioaugmentation of crude oil/motor oil contaminated soil. The mixture of novel strains Pseudomonas aeruginosa PP3 and Pseudomonas aeruginosa PP4 were used in this bioaugmentation studies. The four different bioaugmentation systems (BS 1-4) were carried out in this experiment labelled as BS 1 (Crude oil contaminated...

This study aims to develop a reduced graphene oxide (RGO)-silver nanoparticles (AgNPs) coating on the cotton fabric (CT) surface using photoreduction with a hydrothermal process and evaluate the antibacterial activity in a sweat environment. An ureolytic bacterium of Bacillus subtilis (HM475276) was used to generate ammonia from synthetic urine. RG...

Hydrocarbon contamination is continuing to be a serious environmental problem because of their toxicity. Hydrocarbon components have been known to be carcinogens and neurotoxic organic pollutants. The physical and chemical methods of petroleum removal have become ineffective and also are very costly. Therefore, bioremediation is considered the prom...

Bleeding may easily result in death during surgery or military operations. The need for safer and more effective hemostatic materials has received wide attention. Most recent topical hemostatic agents were demonstrated to be ineffective at reducing bone bleeding. Searching among biosynthesized nanoparticles (NPs) has provided promising results. Thi...

This study investigates the effect of antibiotics and sanitizers on biofilm forming Salmonella isolated from different seafood contact surfaces. Four Salmonella were isolated from 384 swab samples collected from various contact surfaces of fishing boats, fish landing centres and seafood processing plants. One out of four isolates was from the fishi...

The development of efficient and sustainable electrocatalysts for power conversion devices that generate electricity is essential to alleviate the energy crisis. In this work, carbon-supported iron-group alloy nanocatalysts composed of iron, cobalt and nickel with different atomic ratios were synthesized by a two-step reduction method. The morpholo...

This research paper attempt to provide the photocatalytic performance of nitrogen ion (N⁺) entrenched anodized Ti with hydroxyapatite hybrid nano-sctructure meant for dilapidation of organic contaminant from the environment. The N⁺ was entrenched at 70 keV with varying doses (1 × 10¹⁶, 5 × 10¹⁶, 1 × 10¹⁷ and 2.5 × 10¹⁷ N⁺/cm²) into anodized Ti surf...

This study aims at the transformation of the waste lignocellulosic biomass, Simarouba glauca seed shell obtained from biofuel industries, into a value-added adsorbent for the removal of dyes from aqueous media. The basic dye direct red (DR) 12B was adsorbed using chemically (ZnCl2) and thermally activated Simarouba seed shell carbon (ZASRC and SRC,...

In this paper, the TiO2@Ti3C2 heterostructure was synthesized based on the hydrothermal oxidation process. The TiO2@Ti3C2 heterostructure could improve the separation and migration efficiency of photogenerated carriers, leading to enhancing the photocatalytic hydrogen evolution and photodegradation of antibiotic tetracycline (TC) in wastewater. Und...

Natural clay (NC) was employed as a natural adsorbent for the elimination of an azo dye Crystal Violet (CV) from aqueous media. The characterization of the clay was performed by X-ray diffractometry (XRD), X-ray fluorescence (XRF), scanning electron microscopy (SEM) equipped with an X-ray energy dispersion spectrometer (EDS) and Brunauer-Emmett-Tel...

In recent years, wide spread of antibiotic-resistant microorganisms and genes emerging globally, an eco-friendly method for efficient degradation of antibiotics from the polluted environment is essential. Intimately coupled photocatalysis and biodegradation (ICPB) using gC3N4 for enhanced degradation of sulfamethoxazole (SMX) was investigated. The...

The development of environmentally acceptable benign techniques using purely natural methods is a cost-effective procedure with long-term benefits in all areas. With this consideration, myco synthesized silver nano particles (AgNPs) were studied and it acted as an impending corrosion inhibitor in the environment. Initially, AgNPs were evaluated by...

Degradation of hazardous dye effluents released from various industries has received lot of attention because of their serious health hazards. Herein, we report the synthesis of ZnO NPs using crude polysaccharides of Sechium edule fruits for photocatalytic degradation of Rhodamine B (RhB). The fruits of S. edule were used as a source to extract pol...

This study aims to discuss blood volume (BV), total hemoglobin concentration quantification, and ultrasound signal variations for their correlation with photodynamic therapy-induced modifications in the tumor and possibly with tumor response. The images were interpreted in the frequency domain by applying a two-dimensional fast Fourier transform to...

In the global search for alternative drugs for various ailments, products from medicinal plants are given much attention. Attempts are being made to identify bioactive compounds from natural products to develop anticancer agents. In the present study exposes the cytotoxic activity of the extracts of the leaves of the plant Andrographis echioides on...

This study aimed to obtain silver nanoparticles (AgNPs) from Calotropis gigantea leaf extract and to assess its cytotoxicity and larvicidal activity. Green synthesized AgNPs were subjected to characterization techniques like UV–Vis spectroscopy, Fourier transform-infrared (FT-IR), X-ray diffraction (XRD), and scanning electron microscope-energy dis...

Green synthesis of nanoparticles from plant extracts offers many advantages, such as simplicity, stability, and eco-friendliness. carob fruits (Ceratonia siliqua) are known for their countless health benefits due to their rich antioxidant, mineral, and nutrient contents, and have been used in various biomedical applications. This study aims to gree...

The present study reports the successful functionalization/magnetization of bio-polymer to produce chitosan-magnetic graphene oxide grafted polyaniline doped with cobalt oxide (ChMGOP-Co3O4). Analytical techniques furrier transform infra-red (FT-IR), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDS) were used to con...

Cell-to-cell communication among Gram negative bacteria promotes biofilm formation over implants like catheters, dental implants, contact lenses in human system, blocks drug's' action, and leads to drug resistance. Cell-to-cell communication called quorum sensing is also a problem in controlling fouling organisms. As quorum sensing leads to biofilm...

The present study demonstrated microbial corrosion protection of MS 1010 on cooling tower water using plant-based inhibitors derived from methanolic extraction of dry mangrove leaves (R.mangle and A.marina), and its assessment of antibacterial activity against corrosive bacteria (B.megaterium) were investigated. FT-IR and GC-MS analyzed the inhibit...

Synthetic azo dyes are extensively used in the textile industries, which are being released as textile effluent into the environment presence of azo dyes in the environment is great environmental concern therefore treatment of textile effluent is crucial for proper release of the effluent into the environment. Electrochemical oxidation (EO) is exte...

The current work reports the biosynthesis of silver nanoparticles (AgNPs) using the antimicrobial activities of ethyl acetate extract of Urtica diocia (UD) leaves as a reducing and capping agent. The synthesized UD-AgNPs were characterized using UV–visible spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM), ene...

Metal sulfide - semiconductor nanocomposites synthesized with well-defined tin metal, exhibited the wide bandgap, the absorptions are limited to the UV–vis region for reduction of Reactive Blue 160 (RB 160) under solar light irradiation. The prepared samples were characterized using optoelectronic techniques. Conveniently, a wider range of waveleng...

In this study, the blood volume and oxygen saturation of tumors were measured after photoacoustic imaging (PAI) under conditions of pre-photodynamic therapy (PDT), post-PDT, and 4 hrs, and 24 hrs post-PDT. PDTs with aminolevulinic acid (ALA) and low and high doses of benzoporphyrin derivative (BPD) were conducted to observe oxygen saturation change...