Differences Between CASY and Coulter Cell Counting
A Coulter counter is one of the other devices used for cell counting. Like CASY technology, this also uses electric current for cell counting. However, the difference between them is that there is an aperture called “sensing zone”, with a known volume of electrolyte in a coulter counter. When suspended cells pass through it, they would displace the equivalent volume of electrolyte in the sensing zone and cause a short term change of electric current across the aperture. Since the circuit is to detect the change of current across it, any particles that can displace the electrolyte will be counted. It would be seen that the measurement of cells would be from a volume to another volume in the same sample.
In contrast, the CASY technology incorporates no electrolytic reservoir in the aperture and the cells in the electrolyte can pass through the measuring pore. It would be not necessary to detect the cells from a batch to another batch but measure them continuously and smoothly.
Read more about this topic: CASY Cell Counting Technology
Famous quotes containing the words differences between, differences, coulter, cell and/or counting:
“What strikes many twin researchers now is not how much identical twins are alike, but rather how different they are, given the same genetic makeup....Multiples don’t walk around in lockstep, talking in unison, thinking identical thoughts. The bond for normal twins, whether they are identical or fraternal, is based on how they, as individuals who are keenly aware of the differences between them, learn to relate to one another.”
—Pamela Patrick Novotny (20th century)
“I trust the time is nigh when, with the universal assent of civilized people, all international differences shall be determined without resort to arms by the benignant processes of civilization.”
—Chester A. Arthur (1829–1886)
“For in the word death
There is nothing to grasp; nothing to catch or claim;
Nothing to adapt the skill of the heart to, skill
In surviving, for death it cannot survive,
Only resign the irrecoverable keys.
The wave falters and drowns. The coulter of joy
Breaks. The harrow of death
Depends. And there are thrown up waves.”
—Philip Larkin (1922–1986)
“A cell for prayer, a hall for joy,—
They treated nature as they would.”
—Ralph Waldo Emerson (1803–1882)
“But counting up to two
Is harder to do....”
—Philip Larkin (1922–1986)