Objective:

To explore the potential of smartphones as portable biosensors for medical and other applications.

Approach:

• Smartphone Capabilities: Smartphones possess computational, communication, and sensing capabilities that allow them to perform tasks traditionally done by expensive laboratory instruments.
• Medical Applications: Initial focus on assays for nutritional deficiencies in remote areas and monitoring health status through biomarkers.
• Regulatory Challenges: Recognition of the expensive and lengthy regulatory path for medical applications, while noting other potential applications.
• Future Developments: In five years, expected development of inexpensive add-ons for popular phones to perform analyses using biosensor cartridges.
• Data Management: Intelligent apps will provide instructions and analyze results, with potential for cloud-based data sharing for large-scale studies.
• Biosensing Technology: Development of a cradle accessory for iPhones that aligns the camera with optical components to analyze samples, achieving high accuracy.

Key Findings:

• Smartphones can serve as portable biosensing devices rivaling expensive laboratory instruments.
• The developed biosensor can detect various biological molecules with high accuracy.
• Potential applications include pathogen detection in food/water and monitoring health conditions.

Interpretation:

Limitations:

• Regulatory hurdles may delay the adoption of medical applications.
• Current technology is not yet geared for high throughput analysis.

Conclusion:

Sources:

• Lab on a Chip
• The Analytical Scientist