Smartphone Adapter for Portable Biological Sample Analysis
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Solution Overview
Problem
Current biological and chemical sampling methods often rely on expensive and bulky equipment, making them impractical for accurate and portable measurements.
Innovation Solution
A portable accessory that connects consumer electronic devices, such as cell phones and digital cameras, with an illumination chamber equipped with a light source, detector, heating element, and microcontroller, enabling the measurement and analysis of biological or chemical samples using existing device components and software modifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If expensive and bulky equipment is used for biological or chemical sampling and measurement, then measurement precision and reliability are improved, but device portability and cost are worsened
Solution Approach 1:
An adapter assembly acts as an intermediary between the consumer electronic device and the illumination chamber, enabling the device to perform scientific measurements without requiring complex specialized equipment. The adapter includes components like light guides, filters, and coupling structures that bridge the gap between consumer technology and laboratory-grade measurement capabilities.
Solution Approach 2:
The system enables consumer electronic devices to serve multiple functions - their original purposes plus scientific measurement and analysis capabilities. The illumination chamber can work with different consumer devices (smartphones, tablets, laptops) and perform various measurements (fluorescence, absorbance, PCR), creating a universal measurement platform.
2Measurement precision
If specialized measurement equipment is used, then measurement accuracy is improved, but portability and ease of operation are worsened
Solution Approach 1:
The system allows the consumer electronic device to perform measurements using its own existing components (light source, detector, processor) combined with the illumination chamber. The device's built-in resources are utilized to conduct scientific measurements, eliminating the need for separate specialized equipment and reducing operational complexity.
Solution Approach 2:
The measurement system is divided into separate functional modules: the consumer electronic device provides processing and detection, while the illumination chamber provides sample illumination and containment. This segmentation allows each component to be optimized independently and simplifies the overall operation by maintaining familiar device interfaces.
3Device complexity
If portable and low-cost methods are used, then portability and cost are improved, but measurement precision and reliability are worsened
Solution Approach 1:
The adapter assembly serves as a precision-enhancing intermediary that connects the consumer device with the illumination chamber. It includes optical components like excitation and emission filters, light guides, and coupling structures that ensure accurate measurements while maintaining the simplicity and low cost of using consumer electronics.
Solution Approach 2:
The system optimizes measurement parameters through the adapter configuration - selecting appropriate filter wavelengths, adjusting light coupling efficiency, and controlling illumination chamber conditions. These parameter optimizations enable consumer devices to achieve measurement precision comparable to specialized equipment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables cost-effective, portable, and accurate measurement and analysis of biological or chemical samples, including PCR and water testing, by utilizing consumer electronic devices for illumination, power, and data processing, facilitating on-the-field procedures.
Implementation Method 1
a heating element adapted to heat the biological or chemical sample
Implementation Method 2
an excitation filter adapted to filter light from the light source of the consumer electronic device
Implementation Method 3
each of the reservoirs being adapted to contain a biological or chemical sample to produce an emission light
Implementation Method 4
a light guide adapted to guide the filtered light to the light coupling structure of the illumination chamber
Implementation Method 5
a temperature sensor connected to the heating element of the illumination chamber
Implementation Method 6
reflective walls to reflect light within the illumination chamber
Data Source
AI summary
Methods for measuring and analyzing biological or chemical samples using consumer electronic devices and systems are described. Moreover, an accessory to enable using devices such as cell phones and smartphones with fluidic illumination chambers are described.