Counting chambers are often used in clinical blood counts.

A low background counting chamber is a room built with extremely heavy radiation shielding made from low-background steel.

As Richter once put it, "My repertory runs to around eighty different programs, not counting chamber works."

One of them ushered the visitors through the room with pearl lamps and purple curtains, into Gault's counting chamber.

The reason that these instruments are so sensitive is that they are often housed in low background counting chambers.

A counting chamber, also known as hemocytometer, is a microscope slide that is especially designed to enable cell counting.

When a vote counter accidentally knocked some ballots off a table during the recount last week, Republicans cited it as an example of chaos inside the counting chamber.

He was also the inventor of the counting chamber for haemocytometer for which he received the Edward Longstreth medal from the Franklin Institute.

To use the hemocytometer, first make sure that the special coverslip provided with the counting chamber is properly positioned on the surface of the counting chamber.

Cells were pipetted onto a Bright Line counting chamber and scored as positive for differentiation by the presence of purple NBT precipitate using bright field microscopy.

Geiger counters, medical applications (Whole body counting and Lung counters) and physics applications (photonics) frequently require an extremely low radiation environment, called a Low background counting chamber.

As is with counting chambers, cultures usually need to be heavily diluted prior to plating; otherwise, instead of obtaining single colonies that can be counted, a so-called "lawn" will form: thousands of colonies lying over each other.

Counting chambers that hold a specified volume of diluted blood (as there are far too many cells if it is not diluted) are used to calculate the number of red and white cells per litre of blood.

Some of the low-background steel that made up Indiana's hull was recycled to create the low background counting chamber at the In Vivo Radioassay and Research Facility (IVRRF) at Pacific Northwest National Laboratory.

Often, such a system is housed in a low background counting chamber whose thick walls will be made of low-background steel ( 20 cm thick) and will be lined with 1 cm of lead, then perhaps thin layers of cadmium, or tin, with a final layer of copper.