Toolkit/OptoAssay

OptoAssay

Assay Method·Research·Since 2021

Also known as: light-controlled assay

Taxonomy: Technique Branch / Method. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

OptoAssay is a light-controlled dynamic bioassay that integrates optogenetic switches to regulate assay behavior. It was introduced as the first light-controlled assay for wash- and pump-free point-of-care diagnostics and enables wavelength-dependent, reversible control of assay components.

Usefulness & Problems

Why this is useful

OptoAssay is useful as a diagnostic assay format that replaces conventional fluid-handling steps with light-controlled assay dynamics. The reported concept is intended to support on-site analysis and may reduce dependence on external flow-control systems and separate signal readout devices when combined with smartphones.

Problem solved

OptoAssay addresses the need for wash- and pump-free point-of-care diagnostics. It specifically targets the challenge of controlling assay component movement and assay progression without external pumping or washing hardware.

Problem links

Need a controllable or interpretable biological readout

Derived

OptoAssay is a light-controlled dynamic bioassay that integrates optogenetic switches to regulate assay behavior. It was introduced as the first light-controlled assay for wash- and pump-free point-of-care diagnostics and enables wavelength-dependent, reversible control of assay components.

Need precise spatiotemporal control with light input

Derived

OptoAssay is a light-controlled dynamic bioassay that integrates optogenetic switches to regulate assay behavior. It was introduced as the first light-controlled assay for wash- and pump-free point-of-care diagnostics and enables wavelength-dependent, reversible control of assay components.

Taxonomy & Function

Primary hierarchy

Technique Branch

Method: A concrete measurement method used to characterize an engineered system.

Target processes

diagnostic

Input: Light

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: spectral hardware requirementoperating role: sensor

Implementation relies on integrating optogenetic switches into the assay architecture and controlling the system with light in a wavelength-dependent manner. The provided evidence does not specify the optogenetic proteins, illumination wavelengths, construct design, cofactors, or substrate materials beyond noting efficacy on various substrates.

The supplied evidence does not provide quantitative performance metrics, analyte scope, sensitivity, specificity, or direct comparisons to established diagnostic assays. Smartphone integration and resource-limited deployment are presented as proposed future applications rather than independently validated implementations in the provided evidence.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1applicabilitysupports2024Source 2needs review

OptoAssay showed efficacy on various substrates and provides a dynamic bioassay format.

Demonstrating exceptional versatility, the OptoAssay showcases its efficacy on various substrates, delivering a dynamic bioassay format
Claim 2applicabilitysupports2024Source 2needs review

OptoAssay showed efficacy on various substrates and provides a dynamic bioassay format.

Demonstrating exceptional versatility, the OptoAssay showcases its efficacy on various substrates, delivering a dynamic bioassay format
Claim 3applicabilitysupports2024Source 2needs review

OptoAssay showed efficacy on various substrates and provides a dynamic bioassay format.

Demonstrating exceptional versatility, the OptoAssay showcases its efficacy on various substrates, delivering a dynamic bioassay format
Claim 4applicabilitysupports2024Source 2needs review

OptoAssay showed efficacy on various substrates and provides a dynamic bioassay format.

Demonstrating exceptional versatility, the OptoAssay showcases its efficacy on various substrates, delivering a dynamic bioassay format
Claim 5applicabilitysupports2024Source 2needs review

OptoAssay showed efficacy on various substrates and provides a dynamic bioassay format.

Demonstrating exceptional versatility, the OptoAssay showcases its efficacy on various substrates, delivering a dynamic bioassay format
Claim 6applicabilitysupports2024Source 2needs review

OptoAssay showed efficacy on various substrates and provides a dynamic bioassay format.

Demonstrating exceptional versatility, the OptoAssay showcases its efficacy on various substrates, delivering a dynamic bioassay format
Claim 7applicabilitysupports2024Source 2needs review

OptoAssay showed efficacy on various substrates and provides a dynamic bioassay format.

Demonstrating exceptional versatility, the OptoAssay showcases its efficacy on various substrates, delivering a dynamic bioassay format
Claim 8future applicationsupports2024Source 2needs review

The authors propose that OptoAssays combined with smartphones could remove the need for external flow control systems and signal readout devices for on-site analysis in resource-limited settings.

In the future, combined with smartphones, OptoAssays could obviate the need for external flow control systems such as pumps or valves and signal readout devices, enabling on-site analysis in resource-limited settings
Claim 9future applicationsupports2024Source 2needs review

The authors propose that OptoAssays combined with smartphones could remove the need for external flow control systems and signal readout devices for on-site analysis in resource-limited settings.

In the future, combined with smartphones, OptoAssays could obviate the need for external flow control systems such as pumps or valves and signal readout devices, enabling on-site analysis in resource-limited settings
Claim 10future applicationsupports2024Source 2needs review

The authors propose that OptoAssays combined with smartphones could remove the need for external flow control systems and signal readout devices for on-site analysis in resource-limited settings.

In the future, combined with smartphones, OptoAssays could obviate the need for external flow control systems such as pumps or valves and signal readout devices, enabling on-site analysis in resource-limited settings
Claim 11future applicationsupports2024Source 2needs review

The authors propose that OptoAssays combined with smartphones could remove the need for external flow control systems and signal readout devices for on-site analysis in resource-limited settings.

In the future, combined with smartphones, OptoAssays could obviate the need for external flow control systems such as pumps or valves and signal readout devices, enabling on-site analysis in resource-limited settings
Claim 12future applicationsupports2024Source 2needs review

The authors propose that OptoAssays combined with smartphones could remove the need for external flow control systems and signal readout devices for on-site analysis in resource-limited settings.

In the future, combined with smartphones, OptoAssays could obviate the need for external flow control systems such as pumps or valves and signal readout devices, enabling on-site analysis in resource-limited settings
Claim 13future applicationsupports2024Source 2needs review

The authors propose that OptoAssays combined with smartphones could remove the need for external flow control systems and signal readout devices for on-site analysis in resource-limited settings.

In the future, combined with smartphones, OptoAssays could obviate the need for external flow control systems such as pumps or valves and signal readout devices, enabling on-site analysis in resource-limited settings
Claim 14future applicationsupports2024Source 2needs review

The authors propose that OptoAssays combined with smartphones could remove the need for external flow control systems and signal readout devices for on-site analysis in resource-limited settings.

In the future, combined with smartphones, OptoAssays could obviate the need for external flow control systems such as pumps or valves and signal readout devices, enabling on-site analysis in resource-limited settings
Claim 15introductionsupports2024Source 2needs review

The paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce a light-controlled assay, OptoAssay, toward wash- and pump-free point-of-care diagnostics
Claim 16introductionsupports2024Source 2needs review

The paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce a light-controlled assay, OptoAssay, toward wash- and pump-free point-of-care diagnostics
Claim 17introductionsupports2024Source 2needs review

The paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce a light-controlled assay, OptoAssay, toward wash- and pump-free point-of-care diagnostics
Claim 18introductionsupports2024Source 2needs review

The paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce a light-controlled assay, OptoAssay, toward wash- and pump-free point-of-care diagnostics
Claim 19introductionsupports2024Source 2needs review

The paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce a light-controlled assay, OptoAssay, toward wash- and pump-free point-of-care diagnostics
Claim 20introductionsupports2024Source 2needs review

The paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce a light-controlled assay, OptoAssay, toward wash- and pump-free point-of-care diagnostics
Claim 21introductionsupports2024Source 2needs review

The paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce a light-controlled assay, OptoAssay, toward wash- and pump-free point-of-care diagnostics
Claim 22mechanismsupports2024Source 2needs review

OptoAssays use light-dependent and reversible interactions of optogenetic switches to enable bidirectional movement of assay components by changing light wavelength.

with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bidirectional movement of assay components, only by changing the wavelength of light
Claim 23mechanismsupports2024Source 2needs review

OptoAssays use light-dependent and reversible interactions of optogenetic switches to enable bidirectional movement of assay components by changing light wavelength.

with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bidirectional movement of assay components, only by changing the wavelength of light
Claim 24mechanismsupports2024Source 2needs review

OptoAssays use light-dependent and reversible interactions of optogenetic switches to enable bidirectional movement of assay components by changing light wavelength.

with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bidirectional movement of assay components, only by changing the wavelength of light
Claim 25mechanismsupports2024Source 2needs review

OptoAssays use light-dependent and reversible interactions of optogenetic switches to enable bidirectional movement of assay components by changing light wavelength.

with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bidirectional movement of assay components, only by changing the wavelength of light
Claim 26mechanismsupports2024Source 2needs review

OptoAssays use light-dependent and reversible interactions of optogenetic switches to enable bidirectional movement of assay components by changing light wavelength.

with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bidirectional movement of assay components, only by changing the wavelength of light
Claim 27mechanismsupports2024Source 2needs review

OptoAssays use light-dependent and reversible interactions of optogenetic switches to enable bidirectional movement of assay components by changing light wavelength.

with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bidirectional movement of assay components, only by changing the wavelength of light
Claim 28mechanismsupports2024Source 2needs review

OptoAssays use light-dependent and reversible interactions of optogenetic switches to enable bidirectional movement of assay components by changing light wavelength.

with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bidirectional movement of assay components, only by changing the wavelength of light
Claim 29performancesupports2024Source 2needs review

In calibration of a competitive model assay, OptoAssay achieved a limit of detection of 8 pg ml^-1, described as superior to conventional ELISA tests.

resulting in a superior limit of detection of 8 pg ml-1, which is beyond those of conventional ELISA tests
limit of detection 8 pg ml^-1
Claim 30performancesupports2024Source 2needs review

In calibration of a competitive model assay, OptoAssay achieved a limit of detection of 8 pg ml^-1, described as superior to conventional ELISA tests.

resulting in a superior limit of detection of 8 pg ml-1, which is beyond those of conventional ELISA tests
limit of detection 8 pg ml^-1
Claim 31performancesupports2024Source 2needs review

In calibration of a competitive model assay, OptoAssay achieved a limit of detection of 8 pg ml^-1, described as superior to conventional ELISA tests.

resulting in a superior limit of detection of 8 pg ml-1, which is beyond those of conventional ELISA tests
limit of detection 8 pg ml^-1
Claim 32performancesupports2024Source 2needs review

In calibration of a competitive model assay, OptoAssay achieved a limit of detection of 8 pg ml^-1, described as superior to conventional ELISA tests.

resulting in a superior limit of detection of 8 pg ml-1, which is beyond those of conventional ELISA tests
limit of detection 8 pg ml^-1
Claim 33performancesupports2024Source 2needs review

In calibration of a competitive model assay, OptoAssay achieved a limit of detection of 8 pg ml^-1, described as superior to conventional ELISA tests.

resulting in a superior limit of detection of 8 pg ml-1, which is beyond those of conventional ELISA tests
limit of detection 8 pg ml^-1
Claim 34performancesupports2024Source 2needs review

In calibration of a competitive model assay, OptoAssay achieved a limit of detection of 8 pg ml^-1, described as superior to conventional ELISA tests.

resulting in a superior limit of detection of 8 pg ml-1, which is beyond those of conventional ELISA tests
limit of detection 8 pg ml^-1
Claim 35performancesupports2024Source 2needs review

In calibration of a competitive model assay, OptoAssay achieved a limit of detection of 8 pg ml^-1, described as superior to conventional ELISA tests.

resulting in a superior limit of detection of 8 pg ml-1, which is beyond those of conventional ELISA tests
limit of detection 8 pg ml^-1
Claim 36device integrationsupports2021Source 1needs review

When combined with smartphones, OptoAssays obviate the need for external flow control systems such as pumps or valves and signal readout devices.

Combined with smartphones, OptoAssays obviate the need for external flow control systems like pumps or valves and signal readout devices.
Claim 37device integrationsupports2021Source 1needs review

When combined with smartphones, OptoAssays obviate the need for external flow control systems such as pumps or valves and signal readout devices.

Combined with smartphones, OptoAssays obviate the need for external flow control systems like pumps or valves and signal readout devices.
Claim 38device integrationsupports2021Source 1needs review

When combined with smartphones, OptoAssays obviate the need for external flow control systems such as pumps or valves and signal readout devices.

Combined with smartphones, OptoAssays obviate the need for external flow control systems like pumps or valves and signal readout devices.
Claim 39device integrationsupports2021Source 1needs review

When combined with smartphones, OptoAssays obviate the need for external flow control systems such as pumps or valves and signal readout devices.

Combined with smartphones, OptoAssays obviate the need for external flow control systems like pumps or valves and signal readout devices.
Claim 40device integrationsupports2021Source 1needs review

When combined with smartphones, OptoAssays obviate the need for external flow control systems such as pumps or valves and signal readout devices.

Combined with smartphones, OptoAssays obviate the need for external flow control systems like pumps or valves and signal readout devices.
Claim 41device integrationsupports2021Source 1needs review

When combined with smartphones, OptoAssays obviate the need for external flow control systems such as pumps or valves and signal readout devices.

Combined with smartphones, OptoAssays obviate the need for external flow control systems like pumps or valves and signal readout devices.
Claim 42device integrationsupports2021Source 1needs review

When combined with smartphones, OptoAssays obviate the need for external flow control systems such as pumps or valves and signal readout devices.

Combined with smartphones, OptoAssays obviate the need for external flow control systems like pumps or valves and signal readout devices.
Claim 43introduction of methodsupports2021Source 1needs review

This paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce the first light-controlled assay, the OptoAssay, towards wash- and pump-free point-of-care diagnostics
Claim 44introduction of methodsupports2021Source 1needs review

This paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce the first light-controlled assay, the OptoAssay, towards wash- and pump-free point-of-care diagnostics
Claim 45introduction of methodsupports2021Source 1needs review

This paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce the first light-controlled assay, the OptoAssay, towards wash- and pump-free point-of-care diagnostics
Claim 46introduction of methodsupports2021Source 1needs review

This paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce the first light-controlled assay, the OptoAssay, towards wash- and pump-free point-of-care diagnostics
Claim 47introduction of methodsupports2021Source 1needs review

This paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce the first light-controlled assay, the OptoAssay, towards wash- and pump-free point-of-care diagnostics
Claim 48introduction of methodsupports2021Source 1needs review

This paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce the first light-controlled assay, the OptoAssay, towards wash- and pump-free point-of-care diagnostics
Claim 49introduction of methodsupports2021Source 1needs review

This paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce the first light-controlled assay, the OptoAssay, towards wash- and pump-free point-of-care diagnostics
Claim 50mechanismsupports2021Source 1needs review

OptoAssays use light-dependent and reversible interaction of optogenetic switches to enable bi-directional movement of assay components by changing the wavelength of light.

Extending the capabilities of standard bioassays with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bi-directional movement of assay components, only by changing the wavelength of light.
Claim 51mechanismsupports2021Source 1needs review

OptoAssays use light-dependent and reversible interaction of optogenetic switches to enable bi-directional movement of assay components by changing the wavelength of light.

Extending the capabilities of standard bioassays with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bi-directional movement of assay components, only by changing the wavelength of light.
Claim 52mechanismsupports2021Source 1needs review

OptoAssays use light-dependent and reversible interaction of optogenetic switches to enable bi-directional movement of assay components by changing the wavelength of light.

Extending the capabilities of standard bioassays with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bi-directional movement of assay components, only by changing the wavelength of light.
Claim 53mechanismsupports2021Source 1needs review

OptoAssays use light-dependent and reversible interaction of optogenetic switches to enable bi-directional movement of assay components by changing the wavelength of light.

Extending the capabilities of standard bioassays with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bi-directional movement of assay components, only by changing the wavelength of light.
Claim 54mechanismsupports2021Source 1needs review

OptoAssays use light-dependent and reversible interaction of optogenetic switches to enable bi-directional movement of assay components by changing the wavelength of light.

Extending the capabilities of standard bioassays with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bi-directional movement of assay components, only by changing the wavelength of light.
Claim 55mechanismsupports2021Source 1needs review

OptoAssays use light-dependent and reversible interaction of optogenetic switches to enable bi-directional movement of assay components by changing the wavelength of light.

Extending the capabilities of standard bioassays with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bi-directional movement of assay components, only by changing the wavelength of light.
Claim 56mechanismsupports2021Source 1needs review

OptoAssays use light-dependent and reversible interaction of optogenetic switches to enable bi-directional movement of assay components by changing the wavelength of light.

Extending the capabilities of standard bioassays with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bi-directional movement of assay components, only by changing the wavelength of light.

Approval Evidence

2 sources8 linked approval claimsfirst-pass slug optoassay
we introduce a light-controlled assay, OptoAssay

Source:

we introduce the first light-controlled assay, the OptoAssay

Source:

applicabilitysupports

OptoAssay showed efficacy on various substrates and provides a dynamic bioassay format.

Demonstrating exceptional versatility, the OptoAssay showcases its efficacy on various substrates, delivering a dynamic bioassay format

Source:

future applicationsupports

The authors propose that OptoAssays combined with smartphones could remove the need for external flow control systems and signal readout devices for on-site analysis in resource-limited settings.

In the future, combined with smartphones, OptoAssays could obviate the need for external flow control systems such as pumps or valves and signal readout devices, enabling on-site analysis in resource-limited settings

Source:

introductionsupports

The paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce a light-controlled assay, OptoAssay, toward wash- and pump-free point-of-care diagnostics

Source:

mechanismsupports

OptoAssays use light-dependent and reversible interactions of optogenetic switches to enable bidirectional movement of assay components by changing light wavelength.

with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bidirectional movement of assay components, only by changing the wavelength of light

Source:

performancesupports

In calibration of a competitive model assay, OptoAssay achieved a limit of detection of 8 pg ml^-1, described as superior to conventional ELISA tests.

resulting in a superior limit of detection of 8 pg ml-1, which is beyond those of conventional ELISA tests

Source:

device integrationsupports

When combined with smartphones, OptoAssays obviate the need for external flow control systems such as pumps or valves and signal readout devices.

Combined with smartphones, OptoAssays obviate the need for external flow control systems like pumps or valves and signal readout devices.

Source:

introduction of methodsupports

This paper introduces OptoAssay as a light-controlled assay for wash- and pump-free point-of-care diagnostics.

we introduce the first light-controlled assay, the OptoAssay, towards wash- and pump-free point-of-care diagnostics

Source:

mechanismsupports

OptoAssays use light-dependent and reversible interaction of optogenetic switches to enable bi-directional movement of assay components by changing the wavelength of light.

Extending the capabilities of standard bioassays with light-dependent and reversible interaction of optogenetic switches, OptoAssays enable a bi-directional movement of assay components, only by changing the wavelength of light.

Source:

Comparisons

Source-backed strengths

The available evidence indicates that OptoAssay provides a dynamic bioassay format and showed efficacy on various substrates. Its core advantage is reversible, wavelength-controlled operation of assay behavior through optogenetic switching, which supports bidirectional movement of assay components.

Source:

resulting in a superior limit of detection of 8 pg ml-1, which is beyond those of conventional ELISA tests

Compared with qRT-PCR

OptoAssay and qRT-PCR address a similar problem space because they share diagnostic.

Shared frame: same top-level item type; shared target processes: diagnostic; same primary input modality: light

Relative tradeoffs: appears more independently replicated.

Compared with Raman spectroscopy

OptoAssay and Raman spectroscopy address a similar problem space because they share diagnostic.

Shared frame: same top-level item type; shared target processes: diagnostic; same primary input modality: light

Relative tradeoffs: appears more independently replicated.

OptoAssay and spatial transcriptomics address a similar problem space because they share diagnostic.

Shared frame: same top-level item type; shared target processes: diagnostic; same primary input modality: light

Ranked Citations

  1. 1.

    Extracted from this source document.

  2. 2.
    StructuralSource 2Science Advances2024Claim 1Claim 2Claim 3

    Extracted from this source document.