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Updated: Jul 16, 2026

10:55
Fluorescence-quenching of a Liposomal-encapsulated Near-infrared Fluorophore as a Tool for In Vivo Optical Imaging
Published on: January 5, 2015
[Fluorescence studies of changes in methemoglobin structure during interaction with liposomes]
Biofizika
|November 1, 1990
Summary
Phospholipids alter methemoglobin structure. Fluorescence quenching reveals protein conformation changes upon interaction with model phospholipid membranes, impacting dynamic organization.
Area of Science:
- Biochemistry
- Biophysics
- Structural Biology
Context:
- Methemoglobin (MetHb) is a form of hemoglobin.
- Phospholipids are key components of biological membranes.
- Understanding protein-lipid interactions is crucial for cell biology.
Purpose:
- To investigate the effect of phospholipids on methemoglobin conformation.
- To explore the structural dynamics of methemoglobin upon interaction with lipid membranes.
Summary:
- Fluorescence quenching was employed to study methemoglobin.
- Interaction with model phospholipid membranes induced changes in methemoglobin's structure.
- These changes affected the protein's structure-dynamic organization.
Impact:
- Provides insights into how lipids influence protein structure.
- Contributes to understanding methemoglobin behavior in cellular environments.
- Highlights the role of phospholipids in modulating protein conformation and dynamics.
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