Related Experiment Video
Updated: Sep 2, 2026

Updated Protocol for the Assembly and Use of the Minibioreactor Array (MBRA)
Published on: September 5, 2025
Abstract:
A method is described for the study of the actions of drugs and tissue extracts on small pieces of smooth muscle suspended in a bath with a capacity of 0.027 ml. The small size of the bath is an advantage when the total amount of active substance is small. The contractions are amplified 50- to 500-times and recorded isotonically, or approximately isometrically, with a pen writer. This apparatus has the advantage over earlier models that it is more compact and convenient and that the temperature of the muscle can be controlled. It has been used for the estimation of small quantities of acetylcholine and other substances in tissue extracts.
Related Concept Videos
Handwashing I: Introduction and Types of Equipment
Hand wash basins in clinical areas should have faucets that can be turned on and off without using the hands; that is, they should be non-touch or lever-operated.
Automated Microbial Diagnostics
Bioreactor Controls-II
Hand hygiene
Hand washing...
Key Techniques in Microbiology
