Source 1primary paper2021Nature Communications
Toolkit/alkyne-tagged diarylethene photochromic vibrational probe
alkyne-tagged diarylethene photochromic vibrational probe
Also known as: alkyne tagged diarylethene, labelled alkyne-diarylethene
Taxonomy: Mechanism Branch / Architecture. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
Here we report vibrational photochromism by engineering alkyne tagged diarylethene to realize photo-switchable SRS imaging.
Usefulness & Problems
Why this is useful
This engineered probe couples an alkyne Raman tag to a diarylethene photoswitch so that photoisomerization reversibly changes the Raman signal used for SRS imaging. The result is light-controlled on/off vibrational imaging contrast.; photo-switchable stimulated Raman scattering imaging; live-cell painting and erasing; pulse-chase imaging of mitochondria diffusion; photo-rewritable patterning and encryption
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This engineered probe couples an alkyne Raman tag to a diarylethene photoswitch so that photoisomerization reversibly changes the Raman signal used for SRS imaging. The result is light-controlled on/off vibrational imaging contrast.
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photo-switchable stimulated Raman scattering imaging
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live-cell painting and erasing
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pulse-chase imaging of mitochondria diffusion
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photo-rewritable patterning and encryption
Problem solved
It addresses the gap between highly specific Raman imaging and reversible photoswitching by creating a photochromic vibrational probe for SRS. This enables switchable contrast while retaining vibrational specificity.; adds reversible optical switching to Raman probes used with SRS microscopy; combines vibrational chemical specificity with photoswitchable image contrast
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It addresses the gap between highly specific Raman imaging and reversible photoswitching by creating a photochromic vibrational probe for SRS. This enables switchable contrast while retaining vibrational specificity.
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adds reversible optical switching to Raman probes used with SRS microscopy
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combines vibrational chemical specificity with photoswitchable image contrast
Problem links
adds reversible optical switching to Raman probes used with SRS microscopy
LiteratureIt addresses the gap between highly specific Raman imaging and reversible photoswitching by creating a photochromic vibrational probe for SRS. This enables switchable contrast while retaining vibrational specificity.
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It addresses the gap between highly specific Raman imaging and reversible photoswitching by creating a photochromic vibrational probe for SRS. This enables switchable contrast while retaining vibrational specificity.
combines vibrational chemical specificity with photoswitchable image contrast
LiteratureIt addresses the gap between highly specific Raman imaging and reversible photoswitching by creating a photochromic vibrational probe for SRS. This enables switchable contrast while retaining vibrational specificity.
Source:
It addresses the gap between highly specific Raman imaging and reversible photoswitching by creating a photochromic vibrational probe for SRS. This enables switchable contrast while retaining vibrational specificity.
Taxonomy & Function
Primary hierarchy
Mechanism Branch
Architecture: A reusable architecture pattern for arranging parts into an engineered system.
Techniques
Computational DesignTarget processes
No target processes tagged yet.
Input: Light
Implementation Constraints
cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: spectral hardware requirementoperating role: actuator
Use requires an SRS microscopy setup plus UV or visible light irradiation to switch the probe state. The system also requires cells or materials labeled with the alkyne-diarylethene probe.; requires SRS microscopy; requires UV or visible light irradiation to drive photoisomerization; requires alkyne-diarylethene labeling or probe deployment
The abstract does not show that the probe alone delivers super-resolution microscopy, only that the design has potential for it. It also does not establish broad multiplex palettes or quantitative limits from the abstract alone.; abstract does not report exact probe structures, switching fatigue, or quantitative performance metrics
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Ranked Claims
The authors demonstrated photo-rewritable patterning and encryption on thin films, painting and erasing of cells labeled with alkyne-diarylethene, and pulse-chase experiments of mitochondria diffusion in living cells.
The design principle has potential for super-resolution microscopy, optical memories, and switches with vibrational specificity.
The alkyne Raman peak shifts reversibly upon photoisomerization of conjugated diarylethene under UV or visible light, producing on or off SRS images at the photoactive Raman frequency.
The paper reports vibrational photochromism using engineered alkyne-tagged diarylethene to realize photo-switchable SRS imaging.
Approval Evidence
1 source4 linked approval claimsfirst-pass slug alkyne-tagged-diarylethene-photochromic-vibrational-probe
Here we report vibrational photochromism by engineering alkyne tagged diarylethene to realize photo-switchable SRS imaging.
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application demosupports
The authors demonstrated photo-rewritable patterning and encryption on thin films, painting and erasing of cells labeled with alkyne-diarylethene, and pulse-chase experiments of mitochondria diffusion in living cells.
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future potentialsupports
The design principle has potential for super-resolution microscopy, optical memories, and switches with vibrational specificity.
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mechanismsupports
The alkyne Raman peak shifts reversibly upon photoisomerization of conjugated diarylethene under UV or visible light, producing on or off SRS images at the photoactive Raman frequency.
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method introductionsupports
The paper reports vibrational photochromism using engineered alkyne-tagged diarylethene to realize photo-switchable SRS imaging.
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Comparisons
Source-stated alternatives
The abstract contrasts photochromic fluorescent probes, which are reversible but lack sufficient chemical specificity, with conventional Raman probes for SRS, which have superb chemical resolution but are relatively inert.
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The abstract contrasts photochromic fluorescent probes, which are reversible but lack sufficient chemical specificity, with conventional Raman probes for SRS, which have superb chemical resolution but are relatively inert.
Source-backed strengths
reversible on/off SRS imaging under UV or visible light; narrow alkyne Raman peak supports vibrational specificity; positioned for super-multiplex imaging because Raman probes have superb chemical resolution
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reversible on/off SRS imaging under UV or visible light
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narrow alkyne Raman peak supports vibrational specificity
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positioned for super-multiplex imaging because Raman probes have superb chemical resolution
Compared with fluorescent probes
The abstract contrasts photochromic fluorescent probes, which are reversible but lack sufficient chemical specificity, with conventional Raman probes for SRS, which have superb chemical resolution but are relatively inert.
Shared frame: source-stated alternative in extracted literature
Strengths here: reversible on/off SRS imaging under UV or visible light; narrow alkyne Raman peak supports vibrational specificity; positioned for super-multiplex imaging because Raman probes have superb chemical resolution.
Relative tradeoffs: abstract does not report exact probe structures, switching fatigue, or quantitative performance metrics.
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The abstract contrasts photochromic fluorescent probes, which are reversible but lack sufficient chemical specificity, with conventional Raman probes for SRS, which have superb chemical resolution but are relatively inert.
Ranked Citations
- 1.