The MicroMI (Microbiological Mobile Incubator) is an innovative solution designed to facilitate microbiological testing in the field, especially in resource-limited settings. Utilizing inexpensive lithium power banks, this incubator provides controlled temperature conditions essential for culture-based microbiological tests. By eliminating the need for traditional laboratory settings, MicroMI enhances access to vital microbiological analysis in various environments.
Key Features
- Portable Design: MicroMI is lightweight and compact, making it ideal for fieldwork and transport.
- Battery-Powered: Uses affordable lithium-ion batteries (Uninterruptible Power Supply – UPS) to maintain consistent temperatures for up to 24 hours without external power.
- Two Size Variants: Available in two designs—a small vacuum flask incubator and a larger flight case version, both made from widely available components.
- Thermostatic Control: Ensures precise temperature maintenance for optimal microbiological testing conditions.
- Open-Source Design: Allows for customization and adaptation based on specific user needs and local resource availability.
- Versatile Applications: Suitable for various microbiological assays, including agar petri dishes, slant cultures, and dip slides.
Specifications
| Specification | Details |
|---|---|
| Hardware Name | MicroMI |
| Cost | £120 (small) to £185 (large) |
| Dimensions (Small) | 180 × 122 × 118 mm |
| Dimensions (Large) | 380 × 145 × 400 mm |
| Power Source | 12V lithium UPS |
| Incubation Temperature | Typically 37°C |
| Operation Time | Up to 24 hours without external power |
| Build Components | Simple, widely available parts |
Installation and Build Instructions
To build the MicroMI, follow these general steps:
- Choose Your Design: Decide between the small vacuum flask or the larger flight case design based on your needs.
- Gather Components: Collect the required materials, including a UPS, heating elements, temperature controllers, and insulation.
- Assemble the Incubator: Follow detailed assembly instructions to ensure proper setup and functionality.
- Test and Validate: Conduct preliminary tests to confirm that the incubator maintains the required temperature and operates effectively.
Operation Instructions
- Preparation: Turn on the MicroMI 20-30 minutes before use to reach the desired temperature.
- Sample Placement: Open the incubator, place your samples inside, and close it securely.
- Power Management: Ensure the UPS is charged; use external power when available to extend operation time.
- Field Applications: Suitable for various microbiological tests, including pathogen detection and environmental sampling.
The MicroMI offers a practical solution for microbiological testing in challenging environments, making it easier for researchers and health professionals to perform critical tests without the constraints of traditional laboratory setups. Its cost-effective, portable design allows for greater accessibility to microbiological analysis.
