Licensing
Attribution Non-Commercial; No Derivatives:This image is licensed under a Creative Commons Attribution, Non-Commercial, No Derivatives License. View License Deed | View Legal Code
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Description
Fossil of an extinct diatom from Tertiary deposits in Dunkirk, Maryland. The diatom is approximately 80 microns in diameter. The image is of a diatom valve (two valves and a girdle band compose a diatom frustule or shell). The image was captured using Zeiss Jamin-Lebedeff Interference Contrast with a 40x objective. The image is of a diatom valve. Digital image stacking was also used to provide a greater depth of focus than would be possible with a single exposure. It is a stack of three separate exposures processed through Helicon Focus, which extracts pixels in focus in each image and then outputs a composite. Third Prize, 2008 Olympus BioScapes Digital Imaging Competition®.
Technical Details
Biological Sources
- NCBI Organism Classification
- diatom
- Cellular Component
- diatom valve
Biological Context
- Biological Process
- diatom valve organization
Attribution
- Names
- Stephen S. Nagy
- 2008 Olympus BioScapes Digital Imaging Competition®
- Montana Diatoms
- Link
- 2008 Olympus BioScapes Digital Imaging...
- Other
- Helena, MT, USA
Imaging
- Image Type
- recorded image
- Imaging Mode
- interference contrast
- Parameters Imaged
- optical path length gradient
- Source of Contrast
- boundaries between regions with different refractive index
- Visualization Methods
- visualization of contiguous regions
Sample Preparation
- Relation To Intact Cell
- tissue in styrax resin
Dimensions
| Spatial Axis | Image Size | Pixel Size |
|---|---|---|
| X | 3072px | —— |
| Y | 2304px | —— |
*CIL – Cell Image Library accession number. Please use this to reference an image.