A5037938497- Characterization and Applications of Magnetic Nanoparticles
- Magnetic Properties and Synthesis of Ferrites
- Nanofluid Flow and Heat Transfer
- Iron oxide chemistry and applications
- Nanoparticle-Based Drug Delivery
- Corrosion Behavior and Inhibition
- Nonlinear Optical Materials Studies
- Magnetic properties of thin films
- Surface Modification and Superhydrophobicity
- Surfactants and Colloidal Systems
- Magnetic and transport properties of perovskites and related materials
- Pickering emulsions and particle stabilization
- Hydrogen embrittlement and corrosion behaviors in metals
- Concrete and Cement Materials Research
- Non-Destructive Testing Techniques
- Thermography and Photoacoustic Techniques
- ZnO doping and properties
- Electronic and Structural Properties of Oxides
- Concrete Corrosion and Durability
- Nonlinear Optical Materials Research
- Solar Thermal and Photovoltaic Systems
- Liquid Crystal Research Advancements
- Heusler alloys: electronic and magnetic properties
- Chalcogenide Semiconductor Thin Films
- Laser-Ablation Synthesis of Nanoparticles
Indira Gandhi Centre for Atomic Research
2015-2024
Homi Bhabha National Institute
2017-2024
Catholic University of America
2015-2024
Memorial Sloan Kettering Cancer Center
2000-2024
Cochin University of Science and Technology
1992-2024
Kettering University
2019-2024
University of America
2013-2022
French Corrosion Institute
2021-2022
United States Department of State
2019-2022
Amal Jyothi College of Engineering
2021
This article reports on the International Nanofluid Property Benchmark Exercise, or INPBE, in which thermal conductivity of identical samples colloidally stable dispersions nanoparticles “nanofluids,” was measured by over 30 organizations worldwide, using a variety experimental approaches, including transient hot wire method, steady-state methods, and optical methods. The nanofluids tested exercise were comprised aqueous nonaqueous basefluids, metal oxide particles, near-spherical elongated...
Human serum contains a complex array of proteolytically derived peptides (serum peptidome) that may provide correlate biological events occurring in the entire organism; for instance, as diagnostic solid tumors (Petricoin, E. F.; Ardekani, A. M.; Hitt, B. A.; Levine, P. J.; Fusaro, V. Steinberg, S. Mills, G. B.; Simone, C.; Fishman, D. Kohn, Liotta, L. Lancet 2002, 359, 572−577). Here, we describe novel, automated technology platform simultaneous measurement is simple, scalable, and...
We observe a dramatic enhancement of thermal conductivity in nanofluid containing magnetite particles average diameter 6.7nm under the influence an applied magnetic field. The maximum observed is 300% (k∕kf=4.0) at particle loading 6.3vol%. increase attributed to effective conduction heat through chainlike structures formed nanofluid. This finding consistent with theoretical prediction enhanced fractal aggregates [R. Prasher et al., Appl. Phys. Lett.89, 143119 (2006)].
Abstract International cancer registries make real-world genomic and clinical data available, but their joint analysis remains a challenge. AACR Project GENIE, an international registry collecting from 19 centers, makes >130,000 patients publicly available through the cBioPortal for Cancer Genomics (https://genie.cbioportal.org). For 25,000 patients, additional longitudinal data, including treatment outcome are being collected by GENIE Biopharma Collaborative using PRISSMM curation...
X-ray photoelectron spectroscopy (XPS) is a powerful tool to study surface properties (< 10 nm) and being widely used in almost all branches of science engineering. This review provides pedagogical description the fundamental understanding XPS based characterization with necessary background key concepts, details on primary factors influencing analysis, issues analysis identification chemical bonding/oxidation state elements. The basic theory most frequently “core level peaks” conventional...
Monolayer-protected Au, Ag, and Au:Ag alloy nanoclusters have been synthesized using octanethiol octadecanethiol as capping agents. The particle-size distribution is narrow with an average core size of 3--4 nm. Optical nonlinearity induced by 35 ps pulses at 532 nm has investigated in these samples the Z-scan technique. It found that general, they behave either saturable absorbers or reverse depending on intensity excitation. Au Ag clusters show nearly same efficiency for optical limiting,...
Nanocrystalline columnar-structured diamond films with column diameters less than 100 nm and thicknesses in the range of 1–5 μm were grown on silicon substrates by chemical vapor deposition (CVD) a microwave plasma reactor purified methane hydrogen used as reactants. Uniform conformal nucleation densities excess 1012 cm−2 accomplished prior to growth seeding explosively formed nanodiamonds, which resulted good optical quality films. The film thickness was measured situ laser reflectometry...
The unusually large enhancement of thermal conductivity (k/kf∼4.0, where k and kf are the conductivities nanofluid base fluid, respectively) observed in a containing linear chain-like aggregates provides direct evidence for efficient transport heat through percolating paths. used was stable colloidal suspension magnetite (Fe3O4) nanoparticles average diameter 6.7 nm, coated with oleic acid dispersed kerosene. maximum under magnetic field about 48ϕ (where ϕ is volume fraction). when uniformly...
We experimentally demonstrate the tunable thermal property of a magnetically polarizable nanofluid that consists colloidal suspension magnetite nanoparticles with average diameter 6.7nm. Controlling linear aggregation length from nano- to micron scales, conductivity (TC) has been enhanced up 216%, using 4.5vol% nanoparticles. Repeated magnetic cycling shows TC enhancement is reversible. It confirmed large in due efficient transport heat through percolating nanoparticle paths. Our findings...
Emulsions of equal volumes a cyclic silicone oil and water stabilized by fumed silica nanoparticles alone can be inverted from oil-in-water (o/w) to water-in-oil (w/o) simply increasing the concentration particles. The phenomenon is found crucially dependent both on inherent hydrophobicity particles their initial location. Inversion only occurs in systems with intermediate when dispersed oil; emulsions prepared same but initially remain o/w at all particle concentrations. stability drop size...
'Molecular signatures' are the qualitative and quantitative patterns of groups biomolecules (e.g., mRNA, proteins, peptides, or metabolites) in a cell, tissue, biological fluid, an entire organism. To apply this concept to biomarker discovery, measurements should ideally be noninvasive performed single read-out. We have therefore developed peptidomics platform that couples magnetics-based, automated solid-phase extraction small peptides with high-resolution MALDI-TOF mass spectrometric...
We investigate the temperature-dependent thermal conductivity (k) of aqueous and nonaqueous stable nanofluids with average particles size 8 nm stabilized a monolayer surfactant. Iron oxide (Fe3O4) nanoparticles are synthesized by coprecipitation technique characterized powder X-ray diffraction (XRD), transmission electron microscopy (TEM), vibrating sample magnetometry (VSM), dynamic light scattering (DLS), theromogravimetric analysis (TGA). The functionalized suitable surfactants dispersed...
Body temperature is a very useful parameter for diagnosing diseases. There definite correlation between body and We have used Infrared Thermography to study noninvasive diagnosis of peripheral vascular Temperature gradients are observed in the affected regions patients with disorders, which indicate abnormal blood flow region. Thermal imaging results well correlated clinical findings. Certain areas on limbs show increased profiles, probably due inflammation underlying venous changes. In...