Manikandan Elayaperumal

• PhD
• Professor (Full) at Pondicherry University (A Central University)

Mercury and explosives are well-known hazards that affect the environment and threaten society. Mercury generally exists as inorganic mercuric (Hg²⁺) salts, and its detection via fluorometric response is highly notable. Likewise, mainstream explosives contains a nitro (−NO2) moiety as a functional unit, and numerous reports have quantified them usi...

The human brain is a vital organ that governs and performs various meticulous tasks. So, it is even more important to safeguard these brain cells from attacks arising from internal and external sources. The body has an inbuilt defense mechanism where a barrier has been created that acts as a shield for the blood flowing to brain cells and thereby p...

Advancing the development of the luminescent nanoprobes and conjugates toward the toxic analyte quantification plays a crucial role in environmental remedy. Cyanide ions (CN⁻) play vital role in many industries, such as electroplating, mining, textiles, metallurgy, etc. The highly toxic CN⁻ may be discharged into the environment. The presence of CN...

In this work, carbon quantum dots (CQDs) were prepared using a one-step hydrothermal green synthesis method from a low-cost and eco-friendly renewable biomass, specifically the Ficus benghalensis aerial roots (FB-AR). For the past two decades, CQDs have been noted for their tunable emission spectrum, quantum yield, biocompatibility, photostability,...

This work presents the preparation of Ag@ Cu2O nano-crystals employing two methods, laser ablation in liquid and photo-ionization using UV radiation as a light source. The effect of Ag concentration on optical, electrical, structural, surface morphology, and other physical properties of Ag@Cu2O crystal was carried out. This work provides an on-site...

The present study reports synthesis of phenathroimidazole derivatives structures following donor–acceptor relation for high performance deep-blue light emitting diodes. Herein, methyl substituted benzodioxin-6-amine phenanthroimidazoles Cz-SBDPI and TPA-SBDPI derivatives that provide the blue light were designed and synthesized. These Cz-SBDPI and...

Rapid advancement in nanotechnology over the past 10 years has given scientists and technologists plenty to consider. One of the amazing results of such innovation is nanofluid, in which metallic and non-metallic nanoparticles are suspended colloidally in commonly used base fluids. The peculiar thermal behaviour of nanoscale fluids was only recentl...

The zinc oxide, silver particles and the nanocomposite Ag-ZnO were prepared in an easy, fast and environmentally friendly nanoscale method, where these nanomaterials were prepared from nitrates using plant leaf extract Albizia lebbeck, and this environmentally friendly method is safe, nontoxic and nonharmful to the environment, it is a system that...

A new class of metal oxide nanoparticles has recently been found to be widely used in various health-related research. In particular, Zinc Oxide (ZnO) nanoparticles have occupied a prominent status due to their unique chemical and electrical properties. In our study, we aim to reveal the anti-bacterial effect of these nanoparticles. The antibacteri...

For next-generation technology, dielectric materials with narrow band gap energies, significant capacitance, low dissipation factor, and exceptional thermal stability are needed. Researchers have pursued numerous approaches to obtain such materials. This study systematically compared the structural, optical, and electrical properties of Sr0.96Bi0.0...

The photocatalytic degradation of Cibacron Brilliant Yellow 3G-P (CB) dye in aqueous solution using ZnO, CuO, Au–ZnO, Cu-ZnO, and Au–CuO–ZnO nanomaterials produced using Acacia dealbata leaf extract is described in this study. X-ray diffraction (XRD), Field emission- scanning electron microscopy (FE-SEM), transmission electron microscopic studies (...

A simple microwave irradiation technique has been used for the successful preparation of different weight percentages of Pure Er2O3, CeO2 nanoparticles (NPs), and CeO2 / Er2O3 heterostructured nanocomposites (NCs). X-ray diffraction (XRD), UV-Vis spectroscopy, Photoluminescence (PL), and Transmission electron Microcopy (TEM) were used to analyze th...

In this minireview, we intend to shed light on relatively recent examples related to the size and shape effects on materials at the nanoscale and their usage to test a set of quantum mechanics governed phenomena.

Deep learning methods are effective in learning characteristics that aid in accurately interpreting complicated patterns. This study presented a deep attempt to learn Mobile Net Setup and Strong Real Limit Memory-based automated approach for identifying skin diseases (LSTM). The Convolution neural network V2 model has proven to be efficient and acc...

A double pulsed laser ablation (DPLA) method has been used to synthesize crystalline boron nanorods, boron nanowires and bamboo‐like boron nanotubes from bulk boron. A q‐switched Nd: YAG laser operating at the first and second harmonic wavelengths with1064 and 532 nm was used to ablate a solid composite boron target doped with 1% Ni and 1% Co in a...

Numerous areas of medical services, including as imaging diagnostics, advanced pathology, emergency clinic confirmation prediction, drug plan, grouping of cancer and stromal cells, specialist help, and so forth, have profited from the utilization of deep learning. Cancer prognosis involves predicting the course of the disease, the likelihood that i...

CeO2, 0.5 Fe/CeO2, 1% Fe/CeO2, 3% Fe/CeO2, and 5% Fe/CeO2 nanoparticles (NPs) were prepared by simple chemical co-precipitation route. The structural, morphological, and compositional analysis of the prepared samples were studied. The pristine CeO2 is diamagnetic whereas doped samples of Fe with CeO2 enhance ferromagnetism in CeO2 and the hysteresi...

Even with its simplicity, ease of use, and wide variety of applications, the ELS technique has gained in popularity. The characteristics of EFs fibres (FBs) can be affected by changing process variables or polymeric solution (PLs) conditions. Many of the elements that impact ELS, however, are linked. An ideal ELS method keeps these parameters const...

This study included experimental analysis, FT-Raman, FT-IR, UV-Vis and NMR with theoretical investigations of 3-(2-chloroethyl)-2,6-bis(p-fluorophenyl)piperidin-4-one [abbreviated as CEFP] molecule. To support experimental results, the DFT approach using the functional B3LYP and the basis set 6-311++G(d,p) performed theoretical quantum calculations...

In this minireview, we intend to shed light on relatively recent examples related to the size and shape effects on materials at the nanoscale and their usage to test a set of quantum mechanics governed phenomena.

Optical and electrical properties of pure, Co- and Mn-doped tin oxide (SnO2) nanoparticles (NPs) were studied and reported. The materials were successfully prepared by simple co-precipitation method. The developed SnO2 NPs exhibit tetragonal structure with space group P42/mnm. Addition of dopants reduces the particle size from 23 nm (pure SnO2 NPs)...

Name of inventor(s): ANDIAPPAN, KAVITHA; ANANDHAVELU, S.; EASWARAMOORTHI, D.; KARUPPASAMY, K.; DHANASEKARAN, V. and H-S. KIM

Single phase CeO2 nanocrystals were bio-synthesized using Hoodia gordonii natural extract as an effective chelating agent. The nanocrystals with an average diameter of 〈Ø〉 ~ 5–26 nm with 4+ electronic valence of Ce displayed a remarkable UV selectivity and an exceptional photostability. The diffuse reflectivity profile of such CeO2 exhibited a uniq...

In this work, we report the systematic experimental synthesis and characterization of rare earth Erbium metal incorporated orthoferrite (EOF) nanoparticles (NPs) via microwave-assisted technique. The instrument micro-oven was used to induce exothermic heating inside the sample which causes the formation of ErFeO3 nano-crystallites. The unit cell st...

In this work, Co-Codoped Fe-ZnO and mixed ZnO nanoparticles were synthesized via a modified sol-gel method using water as unique solvent. The structural properties were analysed by X-ray diffraction and the results showed the existence of wurtzite ZnO structure. The XRD results also indicate phase segregation in the samples with more than 2mol% of...

Solar energy is a major renewable energy resource used in power production, heating processes, and other applications such as domestic and industrial utilization. It is an abundant form of green energy. Different techniques have been made for energy conversion and one among them is solar photovoltaic/thermal (PV/T) system. Unfortunately, the greate...

The ion-exchange from molten salts is a well-established, low-cost technology capable of altering the chemical–physical properties of glass materials. Technologically driven some glass materials containing metal clusters have attracted quite attention both in cluster research and in possible futuristic applications of such nanoclusters for magnetic...

The semiconductor-transition conducting metal oxides (p-type NiO: n-type ZnO) nanocomposites (NCs) called (NZO) are successfully prepared by a simple wet-chemical route followed by the systematic sintering at different temperatures such as 400°C, 500°C, 600°C, and 700 °C. The structure and morphology of the samples were characterized by X-ray diffr...

The present chapter summarizes the synthesis and characterization of Zinc Copper (ZnCu) ferrites due to their wide range of applications in many areas. ZnCu ferrites are soft magnetic materials that have exceptional electrical, magnetic, and optical properties. ZnCu ferrites possess high resistivity, permeability, permittivity, saturation magnetiza...

A Correction to this paper has been published: https://doi.org/10.1007/s12011-020-02522-z

In this paper, we report the synthesis of MgO nanoparticles (NPs) by the co-precipitation method. The structural properties of the samples were characterised by X-ray diffraction, which revealed that the MgO Nps have a cubic structure. The functional groups of the as-synthesised samples were analysed by Fourier transform infrared spectroscopy. The...

In this paper, we report the synthesis of MgO nanoparticles (NPs) by the co-precipitation method. The structural properties of the samples were characterised by X-ray diffraction, which revealed that the MgO Nps have a cubic structure. The functional groups of the as-synthesised samples were analysed by Fourier transform infrared spectroscopy. The...

Raman spectroscopy (RS) is a modern scientific analytic fingerprint technique that detects, examines, and analyzes the constituent chemical composition of various substances (solid–liquid–gas and plasmons) through interaction of laser light with matter. It is intelligent to present qualitative and quantitative information about the sample’s chemica...

Nanocomposite materials coating opens up tremendous opportunities in the development of commercial products for household to industrial applications. In this present article, we are reporting the formation of 10‐nm carbon (C) layer underneath the 6‐nm ZnO epitaxial thin‐film grown on simple quarts or Si(100) substrate by pulsed laser deposition. As...

Hausmannite manganese oxide/reduced graphene oxide (Mn3O4-rGO) nanocomposite (NC) was synthesized by solvothermal method. The NC was assessed for structural, morphological, and optical properties by XRD, SEM, FE-SEM, Raman, UV-visible, PL techniques. The XRD pattern exhibits a tetragonal structure of Mn3O4 with an average grain size of ∼25.81 nm. C...

In this short communication, we propose a surface plasmon resonance (SPR) sensor based on a ZnO / Au hybrid thin-film material structure and experimentally investigate its sensitivity improvement. The Kretschmann-based SPR sensor utilizes ZnO thin films and nanostructures for performance enhancement. The advancement in SPR technology relies on a lo...

http://pericles.ipaustralia.gov.au/ols/auspat/applicationDetails.do?applicationNo=2021101319

Flours and starches extracted from the tropical tubers underwent freeze-drying and cooking in comparison with fresh cooking. Freeze-dried and cooked starch (FDS) granules were found to have different shapes and collapsed arrangement whereas freshly cooked starch (FCS) granules had the least varied structures. The freeze-dried flours had larger stru...

Methylene blue intercalated layered MnO2 nanosheets (MB-MnO2) were synthesized through an ex-situ method at room temperature. Tetramethylammonium hydroxide (TMAOH) was used as a delaminating agent for the synthesis of nanosheet-like structures of MnO2. The prepared nanocomposites were analyzed by various instrumental techniques such as UV–visible,...

Technologically driven some glass materials are containing metal clusters have attracted quite attention both in cluster research and in possible futuristic applications of such nanoclusters for magnetic or optoelectronic purposes. In this regard, formation of bimetallic alloys and core–shell nanostructures inside a soda-lime glass were prepared by...

Identification and detection of pathogens are the strategies towards the elucidation of infectious disease. There are growth and significance in the field of Nanomedicine. Present circumstance here is a need in research surrounding the topic of nanoparticle (NP) properties, mainly concerned with mechanisms of action with the bacterial cell. Metal N...

In this report, we intend to synthesis the iron oxide (Fe 2 O 3 ), erbium oxide (Er 2 O 3 ) and a composite of erbium oxide/iron oxide (Er 2 O 3 /Fe 2 O 3 ) nanoparticles (NPs) by a microwave irradiation technique. After the synthesis, we explore the various physicochemical properties of the sample with the help of various systematic characterizati...

PurposeThe present study made an attempt to develop copper nanoparticles (Cu-NP) with antifungal property using green synthesis method. Copper oxide nanoparticles (CuO-NPs) botanically synthesized using Neem leaf extract (Azadirachta indica A. Juss) were characterized by using different techniques like; UV–visible spectrophotometry, FTIR, XRD, SEM...

Nitrogen ions (70 keV) were implanted on composite coatings containing polymer/Mg (magnesium)–Ag (silver) ions co-incorporated hydroxyapatite which is developed by microwave irradiation. Average crystallite size of modified coatings is reduced to 80% compared to pristine. The variation of bond strength of modified coatings is realized. The electric...

Young stage neem leaf (Azadirachta indica) was collected at Thiruvallur district in Tamil Nadu, South India. Multi-elemental analysis of neem leaf was carried out using non-destructive techniques (NDT) of proton-induced X-ray emission (PIXE, 2.5 MeV) which is one of the well-known surface chemical sophisticated analytical methods of ion beam analys...

Polyaniline protected silver nanoparticles (Ag-doped PANI nanocomposites) were synthesized successfully by a solid-state mechano-chemical oxidative polymerization. AgNO3 acted as a metal precursor as well as an oxidizing agent. The prepared Ag-doped PANI nanocomposites were characterized by various techniques such as TEM, FE-SEM, XRD, FTIR and UV–v...

Zn1-xCo x O nanoparticles with three different values of 'x' (x = 0.05, 0.10, 0.15) were prepared by chemical co-precipitation process without any further heat treatment. The X-ray diffraction studies confirmed the wurtzite hexagonal crystal structure for synthesized Zn1-xCo x O nanoparticles. The dislocation density results reveal that there is an...

The major component of bone minerals is the nanosized hydroxyapatite (HAp). It is known to possess extreme and exceptional properties. HAp increases its application in biomedical purposes. The utilization of HAp is comparatively similar to the use of living bones due to the monolithic structures, bioactivity and biocompatibility. Based on the poten...

The REE (rare-earth-elements) cerium (Ce) is the most abundant earth-crust element and their oxides have great attention in the form of nanocrystalline nature with superior physical and chemical properties. Pure and Co (1%, 3% and 5%) doped CeO 2 nanoparticles (NPs) synthesized by co-precipitation technique were characterized through X-ray diffract...

The formation of Zinc Nickel Ferrites Systems Nanocomposites (ZNFONCs) through Ethylene glycol (PEG) surfactant was achieved by chemical co-precipitation technique. Their structure, shape, and constituents were investigated by X-ray diffraction, dispersion, and scanning electron microscopy. The photocatalyst effect of Zinc-Nickel ferrite system Nan...

We report on the synthesis and enhanced thermal conductivity of stable Ag-decorated 2-D graphene nanocomposite in ethylene glycol based nanofluid by laser liquid solid interaction. A surfactant free nanofluid of Ag nanoparticles anchored onto the 2-D graphene sheets were synthesized using a two-step laser liquid solid interaction approach. In order...

Waste management stays a challenge in developing countries. This research reports on the valorisation of agro-waste for the synthesis of nickel oxide nanoparticles (NiO NPs), useful as antibacterial agents to assure the sustainable use of renewable waste resources for human health protection. Agro-waste extracts from Persea americana seed, Zea mays...

It has been reported that persistent cyanide pollution occurs in artisanal small-scale gold mining (ASGM) catchment areas in Burkina Faso. In the present study, logistic regression (LR) and Regression Kriging (RK) methods were applied to predict cyanide pollution hazard at the catchment level as well as to determine the most vulnerable areas to pri...

Objective This study aims to detect pathogenic Escherichia coli (E. coli) bacteria using non-destructive fluorescence microscopy and micro-Raman spectroscopy.ResultsRaman vibrational spectroscopy provides additional information regarding biochemical changes at the cellular level. We have used two nanomaterials zinc oxide nanoparticles (ZnO-NPs) and...

The transition metals Ti-doped LaFeO3 is prepared by Microwave sintered techniques for different concentration (X = 0, 0.2, 0.4 and 0.6) the aqueous materials involved Lanthanum Nitrate, Ferric nitrate and used urea as a fuel additive. The synthesized sample LaFeO3 and LaFe1-XTiXO3 nanoparticle have been characterized by powder X-ray diffraction (X...

In this study, by the method of co-precipitation with PEG as surfactant as agent nanocomposite of the Copper Zinc Cobalt ferrites systems (CuZnCoFO NCs) are prepared. The X-ray diffraction (XRD), transmission electron microscopy, and field emission scanning electron microscopy of the samples are carried out. To analyse the magnetic measurements the...

Free Cyanide (FCN) is a harmful product released into the environment by several metallurgical industries. Various concentrations of Zinc Oxide (ZnO) nanoparticles have been synthesized by green method using Eucalyptus globulus leaves and tested for FCN removal. The optical and physico‐chemical characteristics of the synthesized ZnO nanoparticles w...

Herein, we studied the effect of nickel (Ni) doping on the properties of hydroxyapatite (HAp) nanoparticles synthesized by facile ultrasonication assisted wet chemical synthesis process. Various doping concentrations of nickel, i.e., 0.01 M, 0.05 M and 0.10 M, were used to dope into hydroxyapatite nanoparticles. The synthesized nanoparticles were c...

Cd 0.92 Mn 0.04 Fe 0.04 O thin films at different substrate temperatures were prepared by spray pyrolysis method using perfume atomizer. The effects of substrate temperature on micro-structural, morphological and optical properties are explored in detail. X-ray diffraction data revealed the presence of single phase cubic structure with purity. XRD...

This article reports the effect of pure CeO 2 and Cu (1%, 3% and 5 mol %) doped CeO 2 Nanoparticles (NPs) have been prepared by very simple and improved co-precipitation method. Synthesized NPs has been subjected to several analytical methods, viz. XRD, TEM and UV-Vis spectral analysis. XRD data analysis confirmed that face cubic structure and aver...

Abstract Objective This study aims to detect pathogenic Escherichia coli (E. coli) bacteria using non-destructive fluorescence microscopy and micro-Raman spectroscopy. Results Raman vibrational spectroscopy provides additional information regarding biochemical changes at the cellular level. We have used two nanomaterials zinc oxide nanoparticles (Z...

Herein, we report a simple synthesis, characterization and photocatalytic degradation application of composite NiO-WO₃ nanoparticles. The nanoparticles were synthesized by facile low-temperature method and characterized by several techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM)...

Molybdenum disulfide (MoS2) nanorods (NRs) were synthesized from bulk MoS2 using laser-assisted chemical vapor deposition. A q-switched Nd:YAG laser with combined beam wavelengths of 1064 nm and 532 nm was used to ablate a solid MoS2 target. A vapor–solid process at a furnace temperature of 1000°C was found to support the growth of MoS2 NRs wi...

How to cite this article CharlesPrabakar A, In the present study, new multi-components spinel ferrite Zinc doped metallic ferrites are investigated. The synthesized compounds consisting of Zinc copper ferrite nanostructures were developed using the Co-precipitation technique. Powder X-ray diffraction pattern (XRD) confirms the formation of the spin...

In the present study carried out to investigate prophylactic activity of Cobalt nanoparticles towards isolated Escherichia coli (strain MTCC 723); the antimicrobial properties of Cobalt nanoparticles also determine by optimizing the concentration of Cobalt nanoparticles. A homogenized suspension was prepared by sonication Cobalt nanoparticles in wa...

This study reports on the biodegradation of free cyanide (FCN) by cyanide degrading bacteria (CDB) that were isolated from mining wastewater and thiocyanate containing wastewater. The performance of these isolates was compared to cryopreserved CDBs that were used in previous studies. The performance of the isolates to degrade FCN was studied in bat...

In the present work, pure and transition metal titanium (Ti)-doped LaFe1−xTixO3(x = 0.0, 0.2, 0.4, and 0.6) nanoparticles have been successfully synthesized by hydrothermal synthesis technique for various molar ratios of 0.2, 0.4, and 0.6. The prepared samples were grinned and annealed in furnace at 600 ∘C/4 h. The X-ray diffraction (XRD) analysis...

Polymeric-based biomaterials (Calcium phosphate) are employed as replacements in bone and tissue engineering. Calcium phosphate-based scaffolds are widely used for tissue regeneration. Calcium phosphate is a bone mineral and possesses less degradable in nature and weak mechanical strength. It can be solved using degradable and nondegradable polymer...

Growing concerns over the toxicity of metallic nanoparticles synthesized using physical and chemical techniques seems to be a major hurdle for researchers. Green synthesis of nanoparticles is one of the promising, ecofriendly and safer methods. Utilizing plant sources as reducing agents will replace the use of toxic chemicals for nanoparticle synth...

This study reports on the biodegradation of free cyanide (FCN) by cyanide degrading bacteria (CDB) that were isolated from mining wastewater and in thiocyanate containing wastewater. The performance of these isolates was compared to cryopreserved CDBs that were used in precious studies. The performance of the isolates to degrade FCN was studied in...