Developing and testing an Arduino-based microcurrent stimulator to mimic marine electric pollution on benthos

Area of Science:

• Marine Biology
• Bioengineering
• Environmental Science

Background:

• Limited funding often hinders scientific research, particularly in developing novel experimental setups.
• Investigating marine electrical pollution requires specialized equipment to simulate environmental conditions accurately.

Purpose of the Study:

• To develop a cost-effective and reliable instrument for generating controlled electrical stimulation.
• To enable research on the effects of simulated marine electrical pollution on benthic organisms, specifically foraminifera.

Main Methods:

• Construction of a low-intensity electrical stimulator using an Arduino programmable board and basic electronic components.
• Implementation of precise control over stimulation time and current intensity.
• Capability to deliver stimulation in constant or pulsed direct current modes.

Main Results:

• The developed instrument demonstrates high stability and precision in electrical stimulation parameters.
• The apparatus is cost-effective, making advanced experimental setups more accessible.
• The device successfully simulates marine electrical pollution conditions for biological studies.

Conclusions:

• A novel, affordable electrical stimulator was successfully built, overcoming funding limitations in scientific research.
• This apparatus provides a versatile platform for studying the impact of electrical fields on marine protozoa and other benthic organisms.
• The design is adaptable, offering numerous possibilities for future research in marine biology and environmental science.