File:Motility as a biosignature.jpg
From Wikimedia Commons, the free media repository
Jump to navigation
Jump to search
Size of this preview: 601 × 599 pixels. Other resolutions: 241 × 240 pixels | 482 × 480 pixels | 770 × 768 pixels | 1,260 × 1,256 pixels.
Original file (1,260 × 1,256 pixels, file size: 556 KB, MIME type: image/jpeg)
File information
Structured data
Captions
Summary[edit]
DescriptionMotility as a biosignature.jpg |
English: Motility as a biosignature Microbial motility can be readily distinguished from the motion of passive particles. (A) A phase-contrast image (20× objective) of a liquid sample containing both passive particles (1 μm beads) and motile microorganisms (Vibrio alginolyticus bacteria). Three of these are identified by the blue arrows. From the still image alone, passive particles cannot be distinguished from motile microorganisms. (B) Time difference between two frames 0.06 s apart from the same phase-contrast video from which (A) was taken. Note the lower “particle,” which shows up as a white and a black speck due to its significant translation in the time interval of the frame difference. The other two particles hardly move, and the difference thus largely cancels out. (C) Minimum-intensity projection over the duration of the video (3.1 s). This image was constructed by taking the minimum value of each pixel over the duration of the video. The motile microorganism is clearly distinguished from the nonmotile particles that are solely under the influence of Brownian motion. (D) Particle tracking routines that extract the location of each “particle” in each frame and then connect locations among frames, revealing not only the trajectory of a microorganism but also its instantaneous planar speed (color bar), permitting the study of its behavior. The linear nature of much of the trajectory and most importantly its velocity allows one to confidently rule out Brownian motion as the source of the movement. |
Date | |
Source | [1] doi:10.1089/ast.2015.1376 |
Author | Jay Nadeau, Chris Lindensmith, Jody W. Deming, Vicente I. Fernandez, and Roman Stocker |
Licensing[edit]
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 02:23, 10 June 2021 | 1,260 × 1,256 (556 KB) | Epipelagic (talk | contribs) | Uploaded a work by Jay Nadeau, Chris Lindensmith, Jody W. Deming, Vicente I. Fernandez, and Roman Stocker from [https://www.liebertpub.com/doi/full/10.1089/ast.2015.1376] {{doi|10.1089/ast.2015.1376}} with UploadWizard |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Short title | |
---|---|
JPEG file comment | Handmade Software, Inc. Image Alchemy v1.14 |
Hidden category: