Source 1primary paper2016Scientific Reports
Toolkit/polyvinyl alcohol (PVA) fluorophore photoswitching screening platform
polyvinyl alcohol (PVA) fluorophore photoswitching screening platform
Also known as: PVA, PVA films
Taxonomy: Technique Branch / Method. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
Herein, we validated polyvinyl alcohol (PVA) as a single-molecule environment to efficiently quantify the photoswitching properties of fluorophores... Defining PVA as a fluorophore photoswitching screening platform will facilitate SMLM fluorophore development and optimal image buffer assessment through facile and accurate photoswitching property characterization, which translates to SMLM fluorophore imaging performance.
Usefulness & Problems
Why this is useful
PVA is used as a single-molecule environment to quantify fluorophore photoswitching properties. The paper presents it as a screening platform whose measurements predict SMLM image quality.; quantifying fluorophore photoswitching properties; screening fluorophores for SMLM image quality prediction; assessing image buffer effects on fluorophore photoswitching
Source:
PVA is used as a single-molecule environment to quantify fluorophore photoswitching properties. The paper presents it as a screening platform whose measurements predict SMLM image quality.
Source:
quantifying fluorophore photoswitching properties
Source:
screening fluorophores for SMLM image quality prediction
Source:
assessing image buffer effects on fluorophore photoswitching
Problem solved
It addresses the need to characterize fluorophore photoswitching without first performing protein conjugation. This is presented as removing a major hurdle for systematic fluorophore evaluation.; avoids requiring protein conjugation before fluorophore photoswitching assessment; reduces a hurdle for systematic fluorophore characterization
Source:
It addresses the need to characterize fluorophore photoswitching without first performing protein conjugation. This is presented as removing a major hurdle for systematic fluorophore evaluation.
Source:
avoids requiring protein conjugation before fluorophore photoswitching assessment
Source:
reduces a hurdle for systematic fluorophore characterization
Problem links
avoids requiring protein conjugation before fluorophore photoswitching assessment
LiteratureIt addresses the need to characterize fluorophore photoswitching without first performing protein conjugation. This is presented as removing a major hurdle for systematic fluorophore evaluation.
Source:
It addresses the need to characterize fluorophore photoswitching without first performing protein conjugation. This is presented as removing a major hurdle for systematic fluorophore evaluation.
reduces a hurdle for systematic fluorophore characterization
LiteratureIt addresses the need to characterize fluorophore photoswitching without first performing protein conjugation. This is presented as removing a major hurdle for systematic fluorophore evaluation.
Source:
It addresses the need to characterize fluorophore photoswitching without first performing protein conjugation. This is presented as removing a major hurdle for systematic fluorophore evaluation.
Published Workflows
Objective: Establish a quantitative screening methodology for fluorophore photoswitching that predicts SMLM image quality without requiring protein conjugation before assessment.
Why it works: The workflow is expected to work because photoswitching properties measured in simplified single-molecule environments were reported to correlate significantly with surrogate measures of SMLM image quality.
fluorophore photoswitching behavior linked to localization microscopy image formationsingle-molecule environment-based screeningquantitative photoswitching characterizationcorrelation of screening measurements with image-quality surrogates
Stages
- 1.Quantify fluorophore photoswitching in PVA films(broad_screen)
This stage exists to provide a facile single-molecule screening environment for systematic fluorophore characterization without requiring protein conjugation first.
Selection: Efficient quantification of fluorophore photoswitching properties in a single-molecule environment
- 2.Measure photoswitching using antibody adsorption comparison environment(secondary_characterization)
This stage exists to compare PVA-based measurements against an environment analogous to labeled cells.
Selection: Assess the same photoswitching properties in a protein-conjugation environment analogous to labeled cells
- 3.Correlate measured photoswitching properties with SMLM image-quality surrogates(confirmatory_validation)
This stage exists to test whether measured photoswitching properties predict image-quality outcomes relevant to SMLM.
Selection: Significant correlation to microtubule width and continuity as surrogate measures of SMLM image quality
Taxonomy & Function
Primary hierarchy
Technique Branch
Method: A concrete measurement method used to characterize an engineered system.
Target processes
recombinationselectionInput: Light
Implementation Constraints
cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: spectral hardware requirementoperating role: sensor
The method requires fluorophores to be measured in PVA films as a single-molecule environment. Its outputs are interpreted against SMLM image-quality surrogate measures such as microtubule width and continuity.; requires fluorophore measurement in a PVA single-molecule environment; predictive value is framed relative to SMLM image-quality surrogate measures
The abstract does not claim that PVA fully replaces direct imaging in labeled cells. Instead, it is positioned as a predictive screening platform analogous to, but distinct from, protein-conjugation environments.; presented as a screening environment rather than direct cell labeling performance itself
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Ranked Claims
Polyvinyl alcohol (PVA) was validated as a single-molecule environment to efficiently quantify fluorophore photoswitching properties.
Herein, we validated polyvinyl alcohol (PVA) as a single-molecule environment to efficiently quantify the photoswitching properties of fluorophores
Fluorophore photoswitching properties measured in PVA films and by antibody adsorption were significantly correlated with microtubule width and continuity, surrogate measures of SMLM image quality.
We demonstrated that the same fluorophore photoswitching properties measured in PVA films and using antibody adsorption, a protein-conjugation environment analogous to labeled cells, were significantly correlated to microtubule width and continuity, surrogate measures of SMLM image quality.
Defining PVA as a fluorophore photoswitching screening platform will facilitate SMLM fluorophore development and optimal image buffer assessment through facile and accurate photoswitching property characterization that translates to imaging performance.
Defining PVA as a fluorophore photoswitching screening platform will facilitate SMLM fluorophore development and optimal image buffer assessment through facile and accurate photoswitching property characterization, which translates to SMLM fluorophore imaging performance.
Approval Evidence
1 source3 linked approval claimsfirst-pass slug polyvinyl-alcohol-pva-fluorophore-photoswitching-screening-platform
Herein, we validated polyvinyl alcohol (PVA) as a single-molecule environment to efficiently quantify the photoswitching properties of fluorophores... Defining PVA as a fluorophore photoswitching screening platform will facilitate SMLM fluorophore development and optimal image buffer assessment through facile and accurate photoswitching property characterization, which translates to SMLM fluorophore imaging performance.
Source:
method validationsupports
Polyvinyl alcohol (PVA) was validated as a single-molecule environment to efficiently quantify fluorophore photoswitching properties.
Herein, we validated polyvinyl alcohol (PVA) as a single-molecule environment to efficiently quantify the photoswitching properties of fluorophores
Source:
predictive associationsupports
Fluorophore photoswitching properties measured in PVA films and by antibody adsorption were significantly correlated with microtubule width and continuity, surrogate measures of SMLM image quality.
We demonstrated that the same fluorophore photoswitching properties measured in PVA films and using antibody adsorption, a protein-conjugation environment analogous to labeled cells, were significantly correlated to microtubule width and continuity, surrogate measures of SMLM image quality.
Source:
utility claimsupports
Defining PVA as a fluorophore photoswitching screening platform will facilitate SMLM fluorophore development and optimal image buffer assessment through facile and accurate photoswitching property characterization that translates to imaging performance.
Defining PVA as a fluorophore photoswitching screening platform will facilitate SMLM fluorophore development and optimal image buffer assessment through facile and accurate photoswitching property characterization, which translates to SMLM fluorophore imaging performance.
Source:
Comparisons
Source-stated alternatives
The abstract contrasts PVA with antibody adsorption and with conventional protein-conjugation-based assessment. Antibody adsorption is described as a protein-conjugation environment analogous to labeled cells.
Source:
The abstract contrasts PVA with antibody adsorption and with conventional protein-conjugation-based assessment. Antibody adsorption is described as a protein-conjugation environment analogous to labeled cells.
Source-backed strengths
efficient quantification of photoswitching properties; facile and accurate characterization; measured properties translate to SMLM imaging performance
Source:
efficient quantification of photoswitching properties
Source:
facile and accurate characterization
Source:
measured properties translate to SMLM imaging performance
Compared with antibody adsorption single-molecule environment
The abstract contrasts PVA with antibody adsorption and with conventional protein-conjugation-based assessment. Antibody adsorption is described as a protein-conjugation environment analogous to labeled cells.
Shared frame: source-stated alternative in extracted literature
Strengths here: efficient quantification of photoswitching properties; facile and accurate characterization; measured properties translate to SMLM imaging performance.
Relative tradeoffs: presented as a screening environment rather than direct cell labeling performance itself.
Source:
The abstract contrasts PVA with antibody adsorption and with conventional protein-conjugation-based assessment. Antibody adsorption is described as a protein-conjugation environment analogous to labeled cells.
Ranked Citations
- 1.