Acousto-Optic Modulator for Real-Time Molecular Control
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Solution Overview
Problem
Current technologies lack the capability to control chemical processes in live cells with high spatial accuracy and molecular selectivity in real-time, often resulting in off-target effects and limited temporal and spatial control.
Innovation Solution
The development of real-time precision opto-control (RPOC) technology, which uses an acousto-optic modulator to selectively activate a second laser beam at specific molecular sites based on detected optical signals, allowing for precise control and detection of biomolecules with sub-micron spatial precision and nanosecond response time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional chemical treatment by culturing cells with compounds is used, then chemical processes can be treated, but spatial delivery selectivity is lost and off-target effects occur
Solution Approach 1:
The patent implements spatially selective chemical treatment by controlling the activation of light-sensitive compounds at specific locations within cells using optical illumination. The system delivers chemical effects locally to targeted regions while leaving other areas unaffected, thereby eliminating off-target effects while maintaining high spatial delivery selectivity.
Solution Approach 2:
The patent introduces light-sensitive compounds as intermediaries that require optical activation to exert their chemical effects. These compounds serve as mediators between the optical control system and the chemical processes, enabling precise spatial and temporal control of molecular activities without direct chemical delivery to entire cells.
2Ease of operation
If genetic methods such as CRISPR and RNA interference are used, then protein expression and activity can be controlled, but sophisticated pre-preparation and passaging processes are required with little temporal and spatial control
Solution Approach 1:
The patent replaces complex mechanical and biological procedures (transfection, incubation, passaging) with an optical control mechanism. By using light to activate pre-loaded light-sensitive compounds, the system achieves precise temporal and spatial control of molecular activities without requiring sophisticated pre-preparation or cellular passaging processes.
Solution Approach 2:
The patent employs preliminary loading of light-sensitive compounds into cells before the actual control experiment. This pre-preparation step eliminates the need for repeated transfection and passaging during the experiment, as the compounds are already positioned and ready for optical activation, thereby simplifying the operational process while maintaining precise temporal and spatial control.
3Productivity
If optical tweezers and trapping are used, then physical manipulation of pre-detected targets is possible, but only a few targets can be manipulated
Solution Approach 1:
The patent employs light-sensitive compounds that can be distributed throughout the cell and activated by optical illumination. This universal approach allows simultaneous manipulation of multiple molecular targets across different cellular locations, overcoming the limitation of optical tweezers which can only manipulate a few pre-detected targets at a time, while maintaining precise spatial control through optical addressing.
4Extent of automation
If current laser ablation methods are used, then target obliteration is achieved, but pre-image acquisition and manual operation are required with limited real-time control
Solution Approach 1:
The patent implements an automated optical control system that autonomously activates light-sensitive compounds at specified locations and times without requiring manual intervention. The system uses pre-programmed optical sequences to control molecular activities in real-time, eliminating the need for pre-image acquisition and manual laser operation, thereby achieving full automation while reducing time loss.
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
RPOC enables simultaneous and precise detection and control of molecules in space and time without affecting unwanted targets, providing unprecedented chemical specificity and spatial precision for controlling molecular activities and chemical reactions in dynamic living samples.
Implementation Method 1
receive a signal from the first light source that is interrogating a location in a sample that may contain a target molecule
Implementation Method 2
the control circuitry causes the AOM to activate the second light source to transmit light onto the location in the sample that contains the target molecule
Implementation Method 3
the second light source to transmit light onto the location in the sample that contains the target molecule, wherein the light from the second light source controls the target molecule
Data Source
AI summary
The invention generally relates to systems and methods for controlling molecules. In certain aspects, the invention provides a system for controlling molecules, the system comprising: a first light source; a second light source; an acousto-optic modulator (AOM) coupled to the second light source; and control circuitry. In certain embodiments, the control circuitry may be configured to: receive a signal from the first light source that is interrogating a location in a sample that may contain a target molecule; compare the signal received from the first light source to a preset signal; and in the event that the signal received from the first light source meets or exceeds the preset signal, then the target molecule is present at the location in the sample and the control circuitry causes the AOM to activate the second light source to transmit light onto the location in the sample that contains the target molecule.