Polypedilum vanderplanki Cells for Odor Sensor Transport
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing biosensors using cultured cells or living tissue require complex maintenance conditions, making them impractical for use in uncontrolled environments, such as for odor detection in the field.
Innovation Solution
Cells derived from Polypedilum vanderplanki are engineered to express exogenous membrane proteins, such as olfactory receptor proteins, which can be dried and stored at room temperature, allowing for stable transportation and immediate rehydration for odor detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional cultured cells or living tissue are used in biosensors, then odor detection function is achieved, but complex maintenance conditions are required
Solution Approach 1:
The patent changes the physiological state parameter of the cells from hydrated to dried state. P. vanderplanki cells possess unique anhydrobiosis capability that allows them to survive in dried state and be rehydrated when needed, eliminating the need for continuous culture maintenance while preserving odor detection function
Solution Approach 2:
The cells perform self-preservation through their inherent desiccation tolerance mechanism. The cells automatically protect their own membrane proteins and cellular structures during drying and rehydration without requiring external maintenance infrastructure, making the biosensor self-sufficient
2Reliability
If membrane proteins are expressed in conventional cells, then odor detection capability is enhanced, but stable retention of membrane proteins becomes difficult
Solution Approach 1:
The patent converts the harmful effect of environmental stresses (temperature fluctuations, dryness) that normally damage membrane proteins into a beneficial preservation state. The unique cellular machinery of P. vanderplanki protects membrane proteins during drying, and rehydration restores function, effectively stabilizing the membrane protein composition
Solution Approach 2:
The cells possess pre-existing protective mechanisms against desiccation stress that cushion the membrane proteins from damage during drying and storage. This beforehand protection allows the membrane proteins to remain stable and functional through the drying-rehydration cycle
3Ease of operation
If cells are dried for stable storage, then transportation becomes easier, but membrane protein function is typically lost
Solution Approach 1:
The cells autonomously protect their own membrane proteins during the drying process through their anhydrobiosis capability. When rehydrated, the cells automatically restore membrane protein function without requiring external intervention, enabling both easy transportation and functional reliability
Data Source
AI summary
An object of the present invention is to provide cells that express a membrane protein as an exogenous protein but can be stably transported without a complicated culture apparatus. Cells from Polypedilum vanderplanki expressing an exogenous membrane protein are able to stably transport the membrane protein without a complex culture apparatus.