Biomedical sensors and transducers

Polarizable vs. Non-Polarizable Electrodes

We may categorize electrodes into two possible types albeit theoretically: those that are perfectly polarizable and those that are perfectly…

11 months ago

Principle for Measurement of Partial Pressure of Carbon Dioxide

The electrodes used for measurement of partial pressure of CO2 in blood are based on measuring the pH as demonstrated…

1 year ago

Basic Features of Intravascular Fiber Optic Blood Gas Sensor

Intra-arterial blood gas sensors usually use a single or double fiber configuration. Typically, the matrix containing the indicator is attached…

1 year ago

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 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

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