Single molecule blinking and photobleaching separated by wide-field fluorescence microscopy
Single molecule fluorescence detection of Atto590 in poly(vinyl alcohol) was achieved by using a wide-field epifluorescence microscope with CCD-camera detection. Image sequences are obtained from which the time traces of the detected molecules are built. We find a distinctive difference between the...
Guardado en:
| Publicado: |
2005
|
|---|---|
| Materias: | |
| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10895639_v109_n30_p6652_Gensch http://hdl.handle.net/20.500.12110/paper_10895639_v109_n30_p6652_Gensch |
| Aporte de: |
| id |
paper:paper_10895639_v109_n30_p6652_Gensch |
|---|---|
| record_format |
dspace |
| spelling |
paper:paper_10895639_v109_n30_p6652_Gensch2023-06-08T16:06:20Z Single molecule blinking and photobleaching separated by wide-field fluorescence microscopy Charge coupled devices Electron transitions Excitons Fluorescence Irradiation Molecular dynamics Molecular structure Ensemble behavior Epifluorescence detection Photobleaching Single molecule fluorescence detection Organic compounds Atto590 fluorescent dye fused heterocyclic rings polyvinyl alcohol solvent article bleaching chemical structure chemistry fluorescence microscopy methodology Fluorescent Dyes Heterocyclic Compounds with 4 or More Rings Microscopy, Fluorescence Molecular Structure Photobleaching Polyvinyl Alcohol Solvents Single molecule fluorescence detection of Atto590 in poly(vinyl alcohol) was achieved by using a wide-field epifluorescence microscope with CCD-camera detection. Image sequences are obtained from which the time traces of the detected molecules are built. We find a distinctive difference between the time evolution of the fluorescence originating from the molecules detected in the first image of the sequence compared to the time evolution of the fluorescence of the molecules detected in each image of the sequence. Atto590 shows very long blinking times and photobleaching and photoblinking that are both quadratically dependent on the irradiation power density. Our approach allows kinetic separation of photobleaching from blinking. The possibility of choosing different ensembles of molecules is demonstrated and taken advantage of for this aim. Initially dark molecules or low emitting ones that might be overlooked are important to describe the complete ensemble behavior. © 2005 American Chemical Society. 2005 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10895639_v109_n30_p6652_Gensch http://hdl.handle.net/20.500.12110/paper_10895639_v109_n30_p6652_Gensch |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Charge coupled devices Electron transitions Excitons Fluorescence Irradiation Molecular dynamics Molecular structure Ensemble behavior Epifluorescence detection Photobleaching Single molecule fluorescence detection Organic compounds Atto590 fluorescent dye fused heterocyclic rings polyvinyl alcohol solvent article bleaching chemical structure chemistry fluorescence microscopy methodology Fluorescent Dyes Heterocyclic Compounds with 4 or More Rings Microscopy, Fluorescence Molecular Structure Photobleaching Polyvinyl Alcohol Solvents |
| spellingShingle |
Charge coupled devices Electron transitions Excitons Fluorescence Irradiation Molecular dynamics Molecular structure Ensemble behavior Epifluorescence detection Photobleaching Single molecule fluorescence detection Organic compounds Atto590 fluorescent dye fused heterocyclic rings polyvinyl alcohol solvent article bleaching chemical structure chemistry fluorescence microscopy methodology Fluorescent Dyes Heterocyclic Compounds with 4 or More Rings Microscopy, Fluorescence Molecular Structure Photobleaching Polyvinyl Alcohol Solvents Single molecule blinking and photobleaching separated by wide-field fluorescence microscopy |
| topic_facet |
Charge coupled devices Electron transitions Excitons Fluorescence Irradiation Molecular dynamics Molecular structure Ensemble behavior Epifluorescence detection Photobleaching Single molecule fluorescence detection Organic compounds Atto590 fluorescent dye fused heterocyclic rings polyvinyl alcohol solvent article bleaching chemical structure chemistry fluorescence microscopy methodology Fluorescent Dyes Heterocyclic Compounds with 4 or More Rings Microscopy, Fluorescence Molecular Structure Photobleaching Polyvinyl Alcohol Solvents |
| description |
Single molecule fluorescence detection of Atto590 in poly(vinyl alcohol) was achieved by using a wide-field epifluorescence microscope with CCD-camera detection. Image sequences are obtained from which the time traces of the detected molecules are built. We find a distinctive difference between the time evolution of the fluorescence originating from the molecules detected in the first image of the sequence compared to the time evolution of the fluorescence of the molecules detected in each image of the sequence. Atto590 shows very long blinking times and photobleaching and photoblinking that are both quadratically dependent on the irradiation power density. Our approach allows kinetic separation of photobleaching from blinking. The possibility of choosing different ensembles of molecules is demonstrated and taken advantage of for this aim. Initially dark molecules or low emitting ones that might be overlooked are important to describe the complete ensemble behavior. © 2005 American Chemical Society. |
| title |
Single molecule blinking and photobleaching separated by wide-field fluorescence microscopy |
| title_short |
Single molecule blinking and photobleaching separated by wide-field fluorescence microscopy |
| title_full |
Single molecule blinking and photobleaching separated by wide-field fluorescence microscopy |
| title_fullStr |
Single molecule blinking and photobleaching separated by wide-field fluorescence microscopy |
| title_full_unstemmed |
Single molecule blinking and photobleaching separated by wide-field fluorescence microscopy |
| title_sort |
single molecule blinking and photobleaching separated by wide-field fluorescence microscopy |
| publishDate |
2005 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10895639_v109_n30_p6652_Gensch http://hdl.handle.net/20.500.12110/paper_10895639_v109_n30_p6652_Gensch |
| _version_ |
1768543145608347648 |