- Porphyrin and Phthalocyanine Chemistry
- Particle physics theoretical and experimental studies
- Analytical Chemistry and Sensors
- Organic Electronics and Photovoltaics
- Quantum Chromodynamics and Particle Interactions
- Conducting polymers and applications
- Semiconductor materials and devices
- Thin-Film Transistor Technologies
- Neutrino Physics Research
- Gas Sensing Nanomaterials and Sensors
- Semiconductor materials and interfaces
- Transition Metal Oxide Nanomaterials
- Advanced Memory and Neural Computing
- Dark Matter and Cosmic Phenomena
- Molecular Junctions and Nanostructures
- ZnO doping and properties
- Lipid Membrane Structure and Behavior
- Electrochemical sensors and biosensors
- Chalcogenide Semiconductor Thin Films
- Graphene research and applications
- Photochemistry and Electron Transfer Studies
- Solid-state spectroscopy and crystallography
- Electrochemical Analysis and Applications
- Black Holes and Theoretical Physics
- Nanowire Synthesis and Applications
Brunel University of London
2013-2022
AstraZeneca (Sweden)
2011-2020
Queen Mary University of London
2009-2020
Homi Bhabha National Institute
2018-2019
Bhabha Atomic Research Centre
2008-2019
University of East Anglia
2008-2018
Savitribai Phule Pune University
2018
Norwich Research Park
2018
Royal Holloway University of London
2017
Universidad de Londres
2014
Synergetic combination of the properties phthalocyanines and metal nanoparticles is known to result in improvement various their hybrid materials. This review provides an overview application materials based on for development chemiresistive electrochemical sensors, with a focus methods approaches preparation.
This paper presents time-resolved adsorption behavior of lysozyme, bovine serum albumin (BSA), and immunogamma globulin (IgG) onto a liquid crystal phthalocyanine surface concentrates on the kinetic, viscoelastic variation, interfacial hydration, structural details obtained by quartz microbalance dissipating monitoring (QCM-D) technique with Voigt model. The rate for lysozyme is faster than that BSA IgG. Freundlich model can explain isotherm whereas an exponential growth describe Layer...
Bottom-gate, bottom-contact organic thin film transistors (OTFTs) were fabricated using solvent soluble copper 1,4,8,11,15,18,22,25-octakis(hexyl)phthalocyanine as the active semiconductor layer. The compound was deposited 70 nm thick spin-coated films onto gold source–drain electrodes supported on octadecyltrichlorosilane treated 250 SiO2 gate insulators. performance of OTFTs optimised by investigating effects vacuum annealing at temperatures between 50 °C and 200 °C, a range that included...
This report, prepared for the Community Planning Study - Snowmass 2013 summarizes theoretical motivations and experimental efforts to search baryon number violation, focussing on nucleon decay neutron-antineutron oscillations. Present future experiments using large underground detectors, as well planned oscillation with free neutron beams are highlighted.
The detection sensitivity of silver nanoparticle (AgNP)-tagged goat immunoglobulin G (gIgG) microarrays was investigated by studying surface plasmon resonance (SPR) images captured in the visible wavelength range with help a Kretchmann-configured optical coupling set-up. functionalization anti-gIgG molecules on AgNP studied using transmission electron microscopy, photon correlation measurements and UV–visible absorption spectroscopy. A value 1.3 × 10 7 M −1 obtained for antibody–antigen...
From an exposure of the BNL 30-in. deuterium-filled bubble chamber to a 600-MeV/c ${K}^{+}$ beam, angular distribution (14 912 events) and polarization (853 double-scattered for charge-exchange reaction have been obtained. The results partial-wave analyses data indicate dominance positive ${P}_{\frac{1}{2}}$ phase shift, consequently establish $T=0$ Yang-type solution.
Fifteen-layered graphene films have been successfully deposited onto flexible substrates using a commercial ink consisting of particles dispersed in an acrylic polymer binder. A value was obtained for the density defects, primarily located at flake edges, from ratio D and G Raman peaks respectively. thick drop-cast on interdigitated silver electrodes exhibited Ohmic conduction with small activation energy 12 meV over temperature range to The photo-thermoelectric effect is believed be...
Solution-processed films of 1,4,8,11,15,18,22,25-octakis(hexyl) copper phthalocyanine (CuPc6) were utilized as an active semiconducting layer in the fabrication organic field-effect transistors (OFETs) bottom-gate configurations using chemical vapour deposited silicon dioxide (SiO2) gate dielectrics. The surface treatment dielectric with a self-assembled monolayer octadecyltrichlorosilane (OTS) resulted values 4×10−2 cm2 V−1 s−1 and 106 for saturation mobility on/off current ratio,...
Muscle atrophy and cachexia are common comorbidities among patients suffering from cancer, chronic obstructive pulmonary disease, several other diseases. The peptide hormone ghrelin exerts pleiotropic effects including the stimulation of growth secretion subsequent increase insulin-like factor-1 levels, an important mediator muscle repair. Ghrelin also acts on inflammation, appetite, adipogenesis therefore has been considered a promising therapeutic target for catabolic conditions. We...
Titanium dioxide thin films were prepared by spin coating of sol precursor onto microscopic glass slides, silicon and indium tin oxide (ITO) coated substrates. Spin speed was varied between 1000 6000 rpm. From the morphological analysis, it is found that spun with ω⩽4000 rpm assume higher ordered structure than those at a 4000 Conduction low voltages believed to be variable range hopping temperatures T<220 K while ionization donors situated Ea = 0.46 eV below conduction band edge becomes...
Electrochromic properties of spun films bis[octakis(hexylthio)phthalocyaninato] dysprosium(III) were investigated for determining nicotinamide adenine dinucleotide hydride (NADH) in water solutions. A spin-coated film deposited on indium tin oxide electrode displays only one redox couple (at E1/2=0.78V). The [(C6H13S)8Pc]2Dy modified chemically or electrochemically the detection reduced NADH solution. oxidized ([(C6H13S)8Pc]2Dy)+ form is believed to be its neutral interaction with NADH.