Source 1primary paper2014FEBS Letters
Toolkit/force spectroscopy
force spectroscopy
Taxonomy: Technique Branch / Method. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
technologies based on molecular forces, such as atomic force microscopy (AFM) and force spectroscopy, have been recently refined to enable sensitive characterization of biomolecular interactions, folding- and unfolding pathways, and single molecule imaging
Usefulness & Problems
Why this is useful
Force spectroscopy is described as a refined molecular-force-based technique for sensitive characterization of biomolecular interactions, folding and unfolding pathways, and single molecule imaging. AFM-based force spectroscopy is specifically noted as useful for detecting ligand binding and its effects on protein mechanics.; sensitive characterization of biomolecular interactions; characterization of folding- and unfolding pathways; single molecule imaging; detecting ligand binding
Source:
Force spectroscopy is described as a refined molecular-force-based technique for sensitive characterization of biomolecular interactions, folding and unfolding pathways, and single molecule imaging. AFM-based force spectroscopy is specifically noted as useful for detecting ligand binding and its effects on protein mechanics.
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sensitive characterization of biomolecular interactions
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characterization of folding- and unfolding pathways
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single molecule imaging
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detecting ligand binding
Problem solved
It enables sensitive measurement of biomolecular interactions and mechanical stability at the single-molecule level.; enables sensitive characterization of biomolecular interactions and protein mechanical behavior
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It enables sensitive measurement of biomolecular interactions and mechanical stability at the single-molecule level.
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enables sensitive characterization of biomolecular interactions and protein mechanical behavior
Problem links
enables sensitive characterization of biomolecular interactions and protein mechanical behavior
LiteratureIt enables sensitive measurement of biomolecular interactions and mechanical stability at the single-molecule level.
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It enables sensitive measurement of biomolecular interactions and mechanical stability at the single-molecule level.
Taxonomy & Function
Primary hierarchy
Technique Branch
Method: A concrete measurement method used to characterize an engineered system.
Mechanisms
ligand-binding detection via changes in mechanical stabilitymechanical force-based interrogationprotein unfolding and refolding pathway probingsingle-molecule mechanical readoutTechniques
Functional AssayTarget processes
No target processes tagged yet.
Input: Chemical
Implementation Constraints
cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationoperating role: sensor
It requires force-spectroscopy instrumentation, and the abstract notes dependence on continued improvements in instrument stability, speed, and probe development.; requires force-spectroscopy instrumentation; performance is constrained by instrument stability, speed and probe-development
The abstract notes unresolved limitations in instrument stability, speed, and probe development.; ongoing efforts still need to overcome limitations in instrument stability, speed and probe-development
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Ranked Claims
AFM-based force spectroscopy can detect ligand binding and reveal effects on protein mechanical stability and unfolding dynamics.
Atomic force microscopy and force spectroscopy enable sensitive characterization of biomolecular interactions, folding and unfolding pathways, and single molecule imaging.
Nanopores can be used to study single molecules by ionic currents.
Compared with fluorescence-based approaches, atomic force microscopy-based methods directly assess single-molecule properties and provide mechanical readouts that serve as unique fingerprints.
Enhanced photoswitchable fluorescent probes have been crucial for advances in single molecule tracking and super-resolution microscopy.
DNA-origami templated nano-antennas can enhance the sensitivity and precision of in vitro fluorescence-based single molecule imaging techniques.
Zero mode waveguides can enhance the sensitivity and precision of in vitro fluorescence-based single molecule imaging techniques.
Approval Evidence
1 source2 linked approval claimsfirst-pass slug force-spectroscopy
technologies based on molecular forces, such as atomic force microscopy (AFM) and force spectroscopy, have been recently refined to enable sensitive characterization of biomolecular interactions, folding- and unfolding pathways, and single molecule imaging
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capabilitysupports
AFM-based force spectroscopy can detect ligand binding and reveal effects on protein mechanical stability and unfolding dynamics.
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capabilitysupports
Atomic force microscopy and force spectroscopy enable sensitive characterization of biomolecular interactions, folding and unfolding pathways, and single molecule imaging.
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Comparisons
Source-stated alternatives
The abstract contrasts force-based methods with fluorescence-based single molecule approaches and also mentions nanopore-based ionic current methods.
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The abstract contrasts force-based methods with fluorescence-based single molecule approaches and also mentions nanopore-based ionic current methods.
Source-backed strengths
recent advances enhanced speed and precision; AFM-based force spectroscopy can detect ligand binding and its effects on protein mechanics
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recent advances enhanced speed and precision
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AFM-based force spectroscopy can detect ligand binding and its effects on protein mechanics
Compared with cyclic voltammetry
force spectroscopy and cyclic voltammetry address a similar problem space.
Shared frame: same top-level item type; same primary input modality: chemical
Compared with multicomponent, ligand-functionalized microarrays
force spectroscopy and multicomponent, ligand-functionalized microarrays address a similar problem space.
Shared frame: same top-level item type; same primary input modality: chemical
force spectroscopy and time-resolved imaging of nucleoid spatial distribution after drug perturbation address a similar problem space.
Shared frame: same top-level item type; same primary input modality: chemical
Ranked Citations
- 1.