Biomedical Measurements

Commonly used EEG Electrodes

The most commonly employed electrodes for recording electroencephalographic signals from the brain (EEG) are cup electrodes and subdermal needle electrodes.…

1 year ago

The Principles of Microbial Biosensors

Introduction The underlying basis of a microbial biosensor is the close proximity between an immobilized microorganism that serves as a…

1 year ago

The Instrumentation for Recording ECG Signals

Since the electrical events in the normal heart precede its mechanical function, ECG signals play an important role in diagnosis…

1 year ago

The Measurement of Tissue Optical Properties

The measurement of optical properties i.e. absorption coefficient (μa), scattering coefficient (μs), and scattering anisotropy (g) of biological tissues is…

2 years ago

The Operation of Fiber-optic Based Blood Gas Sensors

To perform in vivo measurements and to steadfastly analyze blood gases, a small, stable, accurate and bio-compatible sensor is needed…

2 years ago

The Principle of Surface Plasmon Resonance Sensors for Detection of Antibody & Antigen Interactions

When monochromatic polarized light for instance, from a laser source impinges on a transparent medium having a conducting metallized surface…

2 years ago

Key Properties of Bioelectrodes

To record biopotentials, an interface is required between the electron-conducting copper wires connected to signal conditioning amplifiers and the ion-conducting…

2 years ago

The Principle of Temporal Artery Thermometer

This is a non-invasive scanning thermometer for measuring core body temperature. The measurement is based on scanning the area above…

2 years ago

Basic Features of Enzyme Based Biosensors

Enzymes are the commonly used biological sensing element in the fabrication of various biosensors. Enzymes have unique properties and ability…

2 years ago

Fleisch Pneumotachometer Operation & Biomedical Application

Fleisch Pneumotachometer is one of the most common types of airflow transducers. It consists of a straight short-tube with a…

2 years ago