Scientists count electric charges in a single catalyst nanoparticle down to the electron
If you often find yourself off by one when counting your socks after doing the laundry, you might want to sit down for this.
Electrical techniques are experimental or analytical methods that apply controlled electric fields, currents, or potentials to probe, manipulate, or characterize physical, chemical, or biological systems. They encompass approaches such as impedance spectroscopy, voltammetry, electrophysiology, and conductive or dielectric measurements, enabling quantification of parameters like conductivity, permittivity, charge transport, interfacial kinetics, and membrane potentials. These techniques often rely on precise instrumentation for signal generation and detection, including amplifiers, electrodes, and shielding to minimize noise. Electrical techniques are integral in material characterization, sensor development, electrochemical analysis, and the investigation of ion channels, neural activity, and other bioelectrical phenomena.
If you often find yourself off by one when counting your socks after doing the laundry, you might want to sit down for this.
Nanophysics
Oct 13, 2022
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154
Carnegie Mellon University researchers have pioneered the CMU Array—a new type of microelectrode array for brain computer interface platforms. It holds the potential to transform how doctors are able to treat neurological ...
Bio & Medicine
Oct 5, 2022
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113
Genomic sequencing has revolutionized our understanding of medicine and evolution, such as identifying hereditary anomalies. Arrays of nanometer-sized holes—nanopores—in silicon nitride can in principle dramatically speed ...
Bio & Medicine
Oct 5, 2022
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70
Exosomes as potential biomarkers in liquid biopsy hold great potential for early cancer diagnosis and monitoring of highly metastatic cancer cells. Recently, a group of researchers proposed a novel electrochemical biosensor ...
Bio & Medicine
Sep 5, 2022
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109
To monitor heart rhythms and muscle function, doctors often attach electrodes to a patient's skin, detecting the electrical signals that lie beneath. These impulses are vital to the early diagnosis and treatment of many disorders, ...
Bio & Medicine
Aug 4, 2022
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94
As our devices get smaller and smaller, the use of molecules as the main components in electronic circuitry is becoming ever more critical. Over the past 10 years, researchers have been trying to use single molecules as conducting ...
Nanophysics
Jul 7, 2022
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127
Having a good eye for detail is an essential skill for many professions. In particular, biologists use special techniques and advanced technology to analyze individual cells with unprecedented precision. Impedance cytometry ...
Bio & Medicine
Jun 24, 2022
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220
Tiny dressings that generate electricity in response to movement could accelerate wound healing and tissue regeneration. Scientists in Taiwan reviewed the latest advances and potential applications of wound healing technology ...
Bio & Medicine
Jan 18, 2022
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191
New research published today has demonstrated that tiny graphene neural probes can be used safely to greatly improve our understanding of the causes of epilepsy.
Bio & Medicine
Dec 22, 2021
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144
Cells can produce unique electrical signals. These signals can be linked to various cancers, such as the breast, lung, liver, brain, pancreas and prostate cancers, meaning that they can be used as indicators for early cancer ...
Bio & Medicine
Nov 22, 2021
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102