Electrophysiology Techniques


Single-unit recording
Single Unit Recording is the use of an electrode to record the electrophysiological activity (action potentials) from a single neuron.
Patch Clamp Technique
Patch Clamp Technique is a laboratory technique in electrophysiology that allows the study of single or multiple ion channels in cells.

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Compact Disc.How it store data?


A Compact Disc (CD) is an optical disc used to store digital data. CD-ROMs and CD-Rs remain widely used technologies in the computer industry.CD-ROM drives employ a near-infrared 780 nm laser diode. The laser beam is directed onto the disc via an opto-electronic tracking module, which then detects whether the beam has been reflected or scattered.

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Mobile Detector


This is my most popular circuit published in Electronics For You.This Mobile Bug detects an active mobile phone from a distance of 2 meters radius even in the silent mode.It detects incoming calls,outgoing calls,SMS,MMS,Video recording etc.It beeps at the moment it detects a mobile phone activity.It is an ideal device to check unauthorized use of mobile phones in restricted areas such as Confidential rooms, examination hall etc.Full article in PDF.
MOBILE BUG ORIGINAL CIRCUIT