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Dermacentor variabilis, also known as the American dog tick or wood tick, is a species of tick that is known to carry bacteria responsible for several diseases in humans, including Rocky Mountain spotted fever and tularemia (Francisella tularensis). It is one of the best-known hard ticks. Diseases are spread when it sucks blood from the host.
By patterning the surface with gold microscopic islands it is possible to have selective and parallel trapping in these islands. The forces of the latter optical tweezers lie in the femtonewton range. [72] The evanescent field can also be used to trap cold atoms and molecules near the surface of an optical waveguide or optical nanofiber. [73] [74]
A microscope used for imaging the trapped objects. As single cells are virtually transparent, often phase contrast microscopes are used, but depending on the desired measurement, for example using fluorescence microscopy is also an option. The deformation can be extracted from the images using an edge detection algorithm.
Image credits: dogswithjobs There’s a popular saying that cats rule the Internet, and research has even found that the 2 million cat videos on YouTube have been watched more than 25 billion ...
By Keith Morrison Taking the phrase of "putting it under the microscope" quite literally, the Nikon Small World contest recently announced its winners for 2014. Now in its 40th year, the contest ...
These images, along with many others from the 2024 competition, show the beauty and variety of the microscopic world, blending creativity and science in exciting ways. #8 Image Of Distinction ...
Subtracting one image from the other preserves spatial information that lies between the range of frequencies that are preserved in the two blurred images. Thus, the DoG is a spatial band-pass filter that attenuates frequencies in the original grayscale image that are far from the band center. [1]
For many dogs, this could be a long process, but for dogs like Shadow and the Golden Retriever in the salon, it's a piece of cake. "The other dogs trying to escape" was a highlight of the video ...