Results 91 to 100 of about 2,061,430 (295)

Effect of Cu Ad-layers deposited onto Gold Electrodes Surfaces on the Electrocatalytic Reduction of Oxygen in Alkaline Solution: a Rotating Ring-Disk Electrode Hydrodynamic Voltammetry Study

open access: yesInternational Journal of Electrochemical Science, 2014
Underpotential deposition (UPD) of Cu ad-layers onto gold electrodes in an alkaline solution was investigated, for the first time. Modified single crystal Au(111) and polycrystalline Au electrodes were applied to oxygen reduction reaction (ORR) using ...
Sami Ben Aoun
doaj   +1 more source

Light‐Induced Field‐Tunneling Synapses in Solution‐Processed Van Der Waals Heterostructures for Scalable, Retina‐Inspired Optical Sensing

open access: yesAdvanced Functional Materials, EarlyView.
A scalable, solution‐processed WSe2/ZrO2‐x van der Waals heterostructure realizes a light‐induced field‐tunneling synapse (LIFTS) that activates exclusively under bright illumination, emulating the photopic adaptation of the human retina at the device level.
Kijeong Nam   +10 more
wiley   +1 more source

Analysis of some B-adrenergic agonists in biological matrices after evaluation of various extraction methodologies and determination procedures [PDF]

open access: yes, 1994
Biological sample clean-up procedures were evaluated for the extraction of a range of /3-agonists. Once extracted the compounds were determined by immunoassay, electrochemical techniques and supercritical fluid chromatography (SFC).
Boyd, Damien Thomas
core   +1 more source

Memristive‐Gated RC‐Delay Synaptic Transistors for Time‐Encoded Analog in‐Memory Computing

open access: yesAdvanced Functional Materials, EarlyView.
A Memristive‐Gated Transistor for Time‐Encoded Analog In‐Memory Computing — By exploiting the RC delay of a self‐rectifying interface‐type memristor, nonlinear I–V distortion is structurally bypassed, enabling 3‐bit nonvolatile memory, spike‐timing‐based analog encoding, and hardware‐calibrated reservoir‐computing validation within a unified device ...
Yun‐Seo Shin   +7 more
wiley   +1 more source

Polyaniline-modified pencil pH electrodes

open access: yes, 1999
REBODOS, ROBERT LOUIE FERMO . University of the Philippines Los Banos, June 1999. Polyaniline-Modified Pencil pH Electrodes. Adviser: Dr. Jose H. Santos Polyaniline-modified pencil pH electrodes were fabricated using ordinary pencil lead (Mongol HB ...
Rebodos, Robert Louie F
core  

DNA-modified electrodes (VII) - Preparation and characterization of DNA-bonded and DNA-adsorbed SAM/Au electrodes

open access: yes, 1999
Two kinds of DNA-modified electrodes were prepared by covalent and adsorptive immobilization of DNA onto self-assembled monolayers of 2, 2'-dithiodiethanol on gold electrodes and characterized by cyclic voltammetry, Xray photoelectron spectroscopy and ...
Lu, Q   +8 more
core   +1 more source

An experimental analysis of thick-film solid-state reference electrodes

open access: yes, 2012
Thick-Film planar solid-state Silver/Silver Chloride (Ag/AgCl) reference electrodes were developed and tested for ion susceptibility and long term drift in approximately 0.04 M potassium chloride (KCl) solution.
Sophocleous, Marios   +3 more
core   +1 more source

Polyaminoanthraquinone Modified Electrodes as Electroanalytical Sensors

open access: yesInternational Journal of Electrochemical Science, 2011
Poly 1-amino-9,10-anthraquinone, PAAQ, films were prepared by the electropolymerization of 1-amino-9,10-anthraquinone, AAQ, on platinum substrates. The polymerization process was carried out in both nonaqueous (Acetonitrile containing 0.1 mole L-1 LiClO4
Waheed A. Badawy   +2 more
doaj   +1 more source

Gradient‐Conductivity Architecture Enables Synchronous Enhancement of Sensitivity and Detection Range in Multifunctional All‐Paper Sensors

open access: yesAdvanced Functional Materials, EarlyView.
A gradient‐engineered all‐paper sensor is fabricated by integrating MXene and in situ grown AgNPs within hierarchical cellulose networks. The device breaks the sensitivity–detection range trade‐off through cascaded conductive pathways, enabling ultrahigh pressure sensitivity, humidity–pressure decoupled dual‐mode sensing, and outstanding EMI shielding,
Ao Li   +7 more
wiley   +1 more source

AlN-based BAW resonators with CNT electrodes for gravimetric biosensing [PDF]

open access: yes, 2011
Solidly mounted resonators (SMRs) with a top carbon nanotubes (CNTs) surface coating that doubles as an electrode and as a sensing layer have been fabricated.
García-Gancedo, Luis   +46 more
core   +1 more source

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