Electrochemistry

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  Subject Areas on Research

  • 4-(Dimethylamino)butyric acid labeling for electrochemiluminescence detection of biological substances by increasing sensitivity with gold nanoparticle amplification. 
  • A colloidal Au monolayer modulates the conformation and orientation of a protein at the electrode/solution interface. 
  • A metamaterial absorber for the terahertz regime: design, fabrication and characterization. 
  • A multi-site array for combined local electrochemistry and electrophysiology in the non-human primate brain. 
  • A potent superoxide dismutase mimic: manganese beta-octabromo-meso-tetrakis-(N-methylpyridinium-4-yl) porphyrin. 
  • A spectroelectrochemical method for differentiation of steric and electronic effects in hemoglobins and myoglobins. 
  • Acquiring local field potential information from amperometric neurochemical recordings. 
  • Activity of various endogenous compounds and pharmacologic agents at a glucose-oxidizing platinum electrode. 
  • Adding a positive charge at residue 46 of Drosophila alcohol dehydrogenase increases cofactor specificity for NADP+. 
  • Amperometric glucose biosensor based on lipid film. 
  • Amplification of antigen-antibody interactions based on biotin labeled protein-streptavidin network complex using impedance spectroscopy. 
  • An empirical model for electrostatic interactions in proteins incorporating multiple geometry-dependent dielectric constants. 
  • An investigation of hemopexin redox properties by spectroelectrochemistry: biological relevance for heme uptake. 
  • An upper limit for the electrogenic Na-K pump contribution to maximum diastolic potential in feline cardiac Purkinje fibers in steady state. 
  • Anaerobic oxidations of myoglobin and hemoglobin by spectroelectrochemistry. 
  • Analysis of quinolizidine alkaloids in Sophora flavescens Ait. by capillary electrophoresis with tris(2,2'-bipyridyl) ruthenium (II)-based electrochemiluminescence detection. 
  • Applied electric fields accelerate the diffusion rate and increase the diffusion distance of DiI in fixed tissue. 
  • Ascaris suum, an intestinal parasite, produces morphine. 
  • Atom transfer radical polymerization preparation and photophysical properties of polypyridylruthenium derivatized polystyrenes. 
  • Attachment of gold nanoparticles to glassy carbon electrode and its application for the direct electrochemistry and electrocatalytic behavior of hemoglobin. 
  • Biosensors and biochips: advances in biological and medical diagnostics. 
  • Bis(2,2'-bipyridine)(5,6-epoxy-5,6-dihydro-[1,10]phenanthroline)ruthenium: synthesis and electrochemical and electrochemiluminescence characterization. 
  • Broadband gradient index microwave quasi-optical elements based on non-resonant metamaterials. 
  • CE coupling with end-column electrochemiluminescence detection for chiral separation of disopyramide. 
  • Cadmium- and chromium-induced oxidative stress, DNA damage, and apoptotic cell death in cultured human chronic myelogenous leukemic K562 cells, promyelocytic leukemic HL-60 cells, and normal human peripheral blood mononuclear cells. 
  • Capacitive detection of glucose using molecularly imprinted polymers. 
  • Capillary electrophoresis with amperometric detection of curcumin in Chinese herbal medicine pretreated by solid-phase extraction. 
  • Cerebrospinal fluid 5-hydroxyindoleacetic acid and homovanillic acid in the pediatric opsoclonus-myoclonus syndrome. 
  • Channel specificity in antiarrhythmic drug action. Mechanism of potassium channel block and its role in suppressing and aggravating cardiac arrhythmias. 
  • Characterization and property of DNA incorporated bilayer lipid membranes. 
  • Characterization of procaine metabolism as probe for the butyrylcholinesterase enzyme investigation by simultaneous determination of procaine and its metabolite using capillary electrophoresis with electrochemiluminescence detection. 
  • Characterization of prolidase activity using capillary electrophoresis with tris(2,2'-bipyridyl)ruthenium(II) electrochemiluminescence detection and application to evaluate collagen degradation in diabetes mellitus. 
  • Combining 'caged-dopamine' photolysis with fast-scan cyclic voltammetry to assess dopamine clearance and release autoinhibition in vitro. 
  • Comparison of colloidal gold electrode fabrication methods: the preparation of a horseradish peroxidase enzyme electrode. 
  • Comparison of electrokinetic properties of colloidal fullerenes (n-C60) formed using two procedures. 
  • Concentration-dependent behavior of nisin interaction with supported bilayer lipid membrane. 
  • Concentration-dependent effects of anions on the anaerobic oxidation of hemoglobin and myoglobin. 
  • Concerted O atom-proton transfer in the O-O bond forming step in water oxidation. 
  • Concurrent autoreceptor-mediated control of dopamine release and uptake during neurotransmission: an in vivo voltammetric study. 
  • Confirmation of cannabis use. II. Determination of tetrahydrocannabinol metabolites in urine and plasma by HPLC with ECD. 
  • Conformation change of horseradish peroxidase in lipid membrane. 
  • Corrosion behavior of Au and Ag modified Cu-Ni-Mn alloys. 
  • Crystal structure of O4-methyl uridine: stacking induced changes in the geometry of the pyrimidine ring and its mutagenic role. 
  • Crystal structures of QacR-diamidine complexes reveal additional multidrug-binding modes and a novel mechanism of drug charge neutralization. 
  • Depth of water penetration into lipid bilayers. 
  • Design and synthesis of manganese porphyrins with tailored lipophilicity: investigation of redox properties and superoxide dismutase activity. 
  • Design of bioelectronic interfaces by exploiting hinge-bending motions in proteins. 
  • Detection and identification of bacteria using antibiotic susceptibility and a multi-array electrochemical sensor with pattern recognition. 
  • Detection of hydrazine, methylhydrazine and isoniazid by capillary electrophoresis with a 4-pyridyl hydroquinone self-assembled microdisk platinum electrode. 
  • Determinants of PF4/heparin immunogenicity. 
  • Determination of biogenic amines by capillary electrophoresis with pulsed amperometric detection. 
  • Determination of ranitidine in urine by capillary electrophoresis-electrochemiluminescent detection. 
  • Determination of sulfadiazine and sulfamethoxazole by capillary electrophoresis with end-column electrochemical detection. 
  • Determination of sulpiride by capillary electrophoresis with end-column electrogenerated chemiluminescence detection. 
  • Determination of the stoichiometry of electron uptake and the midpoint reduction potentials of milk xanthine oxidase at 25 degrees C by microcoulometry. 
  • Development of dopamine neurotransmission and uptake inhibition in the caudate nucleus as measured by fast-cyclic voltammetry. 
  • Direct electrochemical detection of glucose in human plasma on capillary electrophoresis microchips. 
  • Direct electrochemistry of hemoglobin in egg-phosphatidylcholine films and its catalysis to H(2)O(2). 
  • Direct electron transfer between hemoglobin and a glassy carbon electrode facilitated by lipid-protected gold nanoparticles. 
  • Direct tris(2,2'-bipyridyl)ruthenium (II) electrochemiluminescence detection of polyamines separated by capillary electrophoresis. 
  • Discrete wavelets transform for signal denoising in capillary electrophoresis with electrochemiluminescence detection. 
  • Effect of electrode surface microstructure on electron transfer induced conformation changes in cytochrome c monitored by in situ UV and CD spectroelectrochemistry. 
  • Effects of pulse strength and pulse duration on in vitro DNA electromobility. 
  • Electroactive controlled release thin films. 
  • Electrochemical activation of electrodes for amperometric detection of nitric oxide. 
  • Electrochemical and electrochemiluminescence study of Ru(bpy)(2+)3-doped silica nanoparticles with covalently grafted biomacromolecules. 
  • Electrochemical biosensor of nanocube-augmented carbon nanotube networks. 
  • Electrochemical detection of cobalt in hair following on-column derivatization with 1-(2-pyridylazo)-2-naphthol-6-sulphonic acid and reversed-phase liquid chromatography. 
  • Electrochemical detection of nitric oxide in biological fluids. 
  • Electrochemical detection of physiological nitric oxide: materials and methods. 
  • Electrochemical study of ion channel behavior in incorporated poly L-glutamate bilayer lipid membranes. 
  • Electrochemiluminescence detection with integrated indium tin oxide electrode on electrophoretic microchip for direct bioanalysis of lincomycin in the urine. 
  • Electrochemistry and spectroscopy study on the interaction of microperoxidase-11 with lipid membrane. 
  • Electrode materials for nitric oxide detection. 
  • Electron ratcheting in self-assembled soft matter. 
  • Electrostatic contribution in the catalysis of O2*- dismutation by superoxide dismutase mimics. MnIIITE-2-PyP5+ versus MnIIIBr8T-2-PyP+. 
  • Electrowetting-based droplet mixers for microfluidic systems. 
  • Enzymatically amplified voltammetric sensor for microliter sample volumes of salicylate. 
  • Evaluation of a sol-gel derived carbon composite electrode as an amperometric detector for capillary electrophoresis. 
  • Evidence for a near-resonant charge transfer mechanism for double-stranded peptide nucleic acid. 
  • Exfoliation and reassembly of cobalt oxide nanosheets into a reversible lithium-ion battery cathode. 
  • Existence of a flat phase in red cell membrane skeletons. 
  • Extreme electronic modulation of the cofacial porphyrin structural motif. 
  • Fabrication of Elastin-Like polypeptide Nanoparticles for Drug Delivery by Electrospraying 
  • Fabrication of small diameter few-walled carbon nanotubes with enhanced field emission property. 
  • Field-amplified sample stacking capillary electrophoresis with electrochemiluminescence applied to the determination of illicit drugs on banknotes. 
  • Fluctuation-driven directional flow in biochemical cycle: further study of electric activation of Na,K pumps. 
  • From chain to network: design and analysis of novel organic-inorganic assemblies from organically functionalized zinc-substituted polyoxovanadates and zinc organoamine subunits. 
  • Functional reconstitution of purified human Hv1 H+ channels. 
  • GDNF protection against 6-OHDA-induced reductions in potassium-evoked overflow of striatal dopamine. 
  • High-performance liquid chromatography separations coupled with coulometric electrode array detectors: a unique approach to metabolomics. 
  • Highly conjugated, acetylenyl bridged porphyrins: new models for light-harvesting antenna systems. 
  • Identification of the carotenoid present in the B-800-850 antenna complex from Rhodopseudomonas capsulata as that which responds electrochromically to transmembrane electric fields. 
  • Imaging of the Schottky barriers and charge depletion in carbon nanotube transistors. 
  • Improved nerve regeneration through piezoelectric vinylidenefluoride-trifluoroethylene copolymer guidance channels. 
  • Interaction of K7Fe3+P2W17O62H2 with supported bilayer lipid membranes on platinum electrode. 
  • Interactions between propofol and lipid mediator receptors: inhibition of lysophosphatidate signaling. 
  • Intravascular food reward. 
  • Investigation of copper-manganese-nickel alloys for dental purposes. 
  • Investigation of the influence on conformational transition of DNA induced by cationic lipid vesicles. 
  • Ion channel behavior of amphotericin B in sterol-free and cholesterol- or ergosterol-containing supported phosphatidylcholine bilayer model membranes investigated by electrochemistry and spectroscopy. 
  • Kinetics of release of serotonin from isolated secretory granules. I. Amperometric detection of serotonin from electroporated granules. 
  • Kinetics of release of serotonin from isolated secretory granules. II. Ion exchange determines the diffusivity of serotonin. 
  • Lipid membrane immobilized horseradish peroxidase biosensor for amperometric determination of hydrogen peroxide. 
  • Liposome-mediated conformation transition of DNA detected by molecular probe: methyl green. 
  • Long- and short-range interactions between phospholipid/ganglioside GM1 bilayers. 
  • Loosely packed self-assembled monolayer of N-hexadecyl-3,6-di(p-mercaptophenylacetylene)carbazole on gold and its application in biomimetic membrane research. 
  • Lucigenin: redox potential in aqueous media and redox cycling with O-(2) production. 
  • Manganese(III) biliverdin IX dimethyl ester: a powerful catalytic scavenger of superoxide employing the Mn(III)/Mn(IV) redox couple. 
  • Measurement of in vivo corrosion rates in baboons, and correlation with in vitro tests. 
  • Mediator-free amperometric determination of toxic substances based on their inhibition of immobilized horseradish peroxidase. 
  • Memory artifact related to selenium-based digital radiography systems. 
  • Method for studying kinetics of light-induced transport across membranes. 
  • Methoxy-derivatization of alkyl chains increases the in vivo efficacy of cationic Mn porphyrins. Synthesis, characterization, SOD-like activity, and SOD-deficient E. coli study of meta Mn(III) N-methoxyalkylpyridylporphyrins. 
  • Mitigation of hypertrophic scar contraction via an elastomeric biodegradable scaffold. 
  • Modified INOvent for delivery of inhaled nitric oxide during cardiac MRI. 
  • Nanopatterned polymer brushes: conformation, fabrication and applications. 
  • New class of potent catalysts of O2.-dismutation. Mn(III) ortho-methoxyethylpyridyl- and di-ortho-methoxyethylimidazolylporphyrins. 
  • Noncovalent functionalization of carbon nanotubes by fluorescein-polyethylene glycol: supramolecular conjugates with pH-dependent absorbance and fluorescence. 
  • Noradrenaline biosynthesis and metabolism during development and recovery from pacing-induced heart failure in the dog. 
  • Physical constraints on charge transport through bacterial nanowires. 
  • Planar integrated optical methods for examining thin films and their surface adlayers. 
  • Polyphosphazenes: effect of molecular motions on thrombogenesis. 
  • Potentiometric, electronic structural, and ground- and excited-state optical properties of conjugated bis[(porphinato)zinc(II)] compounds featuring proquinoidal spacer units. 
  • Proton magnetic resonance studies of the aggregation of taurine-conjugated bile salts. 
  • Proton-coupled electron transfer. 
  • Pseudopolarographic determination of Cd2+ complexation in freshwater 
  • Pure manganese(III) 5,10,15,20-tetrakis(4-benzoic acid)porphyrin (MnTBAP) is not a superoxide dismutase mimic in aqueous systems: a case of structure-activity relationship as a watchdog mechanism in experimental therapeutics and biology. 
  • Purification of semiconducting carbon nanotubes. 
  • Purified lac permease and cytochrome o oxidase are functional as monomers. 
  • Quality of potent Mn porphyrin-based SOD mimics and peroxynitrite scavengers for pre-clinical mechanistic/therapeutic purposes. 
  • Recognition and processing of randomly fluctuating electric signals by Na,K-ATPase. 
  • Recovery of presynaptic dopaminergic functioning in rats treated with neurotoxic doses of methamphetamine. 
  • Relaxation spectra of adenosine triphosphate-creatine phosphotransferase. 
  • Remeasurement of electrosprayed proteins in the trapped ion cell of a Fourier transform ion cyclotron resonance mass spectrometer. 
  • Residual oil fly ash and charged polymers activate epithelial cells and nociceptive sensory neurons. 
  • Role of water in short-range repulsive and attractive interactions between macromolecules and bilayers. 
  • Rotational isomers of N-alkylpyridylporphyrins and their metal complexes. HPLC separation, (1)H NMR and X-ray structural characterization, electrochemistry, and catalysis of O(2)(.-) disproportionation. 
  • SOD-like activity of Mn(II) beta-octabromo-meso-tetrakis(N-methylpyridinium-3-yl)porphyrin equals that of the enzyme itself. 
  • Scanning tunnelling microscopy observation of cytochrome-c denaturation induced by bromopyrogal red on highly oriented pyrolytic graphite. 
  • Sculpting proteins interactively: continual energy minimization embedded in a graphical modeling system. 
  • Self-assembly of ordered nanowires in biological suspensions of single-wall carbon nanotubes. 
  • Separation of promethazine and thioridazine using capillary electrophoresis with end-column amperometric detection. 
  • Serotonin shapes risky decision making in monkeys. 
  • Sex differences in neurochemical effects of dopaminergic drugs in rat striatum. 
  • Simultaneous determination of guanine, uric acid, hypoxanthine and xanthine in human plasma by reversed-phase high-performance liquid chromatography with amperometric detection. 
  • Simultaneous electrochemical and electrochemiluminescence detection for microchip and conventional capillary electrophoresis. 
  • Solution-processed, antimony-doped tin oxide colloid films enable high-performance TiO2 photoanodes for water splitting. 
  • Spatiotemporal coupling between hippocampal acetylcholine release and theta oscillations in vivo. 
  • Spectroelectrochemistry of heme proteins: effects of active-site heterogeneity on Nernst plots. 
  • Stoichiometric preference in copper-promoted oxidative DNA damage by ochratoxin A. 
  • Structural basis for the root effect in haemoglobin. 
  • Sulfate as a synergistic anion facilitating iron binding by the bacterial transferrin FbpA: the origins and effects of anion promiscuity. 
  • Synthesis and electrical characterization of silver nanobeams. 
  • Synthesis and electrochemical applications of gold nanoparticles. 
  • The hydration pressure between lipid bilayers. Comparison of measurements using x-ray diffraction and calorimetry. 
  • The polarity and magnitude of ambient charge influences three-dimensional neurite extension from DRGs. 
  • The single-molecule conductance and electrochemical electron-transfer rate are related by a power law. 
  • Thermodynamics of oxidation-reduction reactions in mammalian nitric-oxide synthase isoforms. 
  • Thermopower of molecular junctions: an ab initio study. 
  • Tuning the field-emission properties of tungsten oxide nanorods. 
  • Two different mechanisms underlie reversible, intrinsic optical signals in rat hippocampal slices. 
  • Two-photon absorption properties of proquinoidal D-A-D and A-D-A quadrupolar chromophores. 
  • Voltammetric and mathematical evidence for dual transport mediation of serotonin clearance in vivo. 
  • [Ru(bpy)3]2+-doped silica nanoparticles within layer-by-layer biomolecular coatings and their application as a biocompatible electrochemiluminescent tag material. 
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  Keywords of People

  • Glass, Jeffrey, Professor of Electrical and Computer Engineering, Duke Innovation & Entrepreneurship
  • Moreno-Hernandez, Ivan A., Assistant Professor of Chemistry, Chemistry
  • Turner, Dennis Alan, Professor of Neurosurgery, Biomedical Engineering