Cryostats meaning, synonyms, antonyms, translation, and use cases

cryostat

Have you ever heard of the word Cryostats, If not, In today’s word for the day, we will be giving highlights on the meaning of Cryostats, its synonyms, antonyms, translation, and use cases.

Meaning

A Cryostat is a device used to keep samples or mounted equipment at extremely low cryogenic temperatures.  It can be kept at extremely low temperatures by utilizing a variety of cooling techniques, most frequently by using a cryogenic fluid bath, like liquid helium.

For tissue sectioning, It is a flexible, high-quality device that produces low temperatures. The Greek words “Kryos,” which means cold in English, and “stat,” which means stable, are the roots of the phrase “Cryostat.” The earliest of it was used in the 19th century and are credited to Scottish physicist and chemist Sir James Dewar.

It is also a type of microtome used to cut tissue at extremely low temperatures (usually between 15 and 30 °C) (Figure 55). The chosen tissue section is mounted on a ready-made metal base known as a chuck and covered with a spray of a rapidly freezing substance (such as optimum cutting temperature compound), which is liquid at ambient temperature but soon hardens into a white waxy substance in the cryostat.

Types of Cryostat

These are the types of Cryostats:

Closed-cycle cryostats

Cold helium vapour is pumped through a chamber that makes up closed-cycle Cryostats. The warmer helium exhaust vapour is removed via a mechanical refrigerator outside, where it is cooled and recycled. Compared to other types of cryostats, this uses a lot of electricity.

Continuous-flow Cryostats

Liquid cryogens (usually liquid helium or liquid nitrogen) from a storage Dewar are used to chill continuous-flow Cryostats. The cryogen is continuously refilled by a steady flow from the storage Dewar as it boils inside the Cryostat.

Bath Cryostats

They are built similarly to vacuum flasks that contain liquid helium. The liquid helium bath is placed in thermal contact with a coldplate. Depending on the size and design of the Cryostat, the liquid helium may need to be replaced as it boils away at intervals between a few hours and several months.

Multistage cryostats

Additional cooler stages may be added to the Cryostat to attain temperatures lower than liquid helium at atmospheric pressure. By coupling the coldplate to a 1-K pot, a Hisotope container that can be pushed to low vapor pressure using a vacuum pump, temperatures as low as 1K can be achieved.

 

Synonyms

  • Cryostatic
  • Dewar
  • Deewar
  • Thermostat

 

Antonyms

  • UHV
  • Calorimeter
  • Liquid-helium

 

Translation

Spanish- criostato
Latin- cryostat
Greek- κρυοστάτης
French- cryostat
Portuguese- criostato

 

First Known Use

The first known use of cryostat was in 1900

 

Use Cases

  • According to World Nuclear News, on May 26 a crane gradually raised the cryostat’s base from its support structure to a height of 24 meters.
  • A special closed cycle helium cryostat called the Phenix was created for powder diffraction.
  • The sensor array for the LSST camera has to be put together before being placed within a supercooling cryostat since all of this sensing and capturing power has a temperature cost.

 

Frequently Asked Question

Why is the cryostat used?

A cryostat is a type of microtome used to cut tissue at extremely low temperatures (usually between 15 and 30 °C).

What distinguishes a cryostat from a microtome?

A cryostat works similarly to a conventional microtome to slice tissue into thin (1–10 mm) pieces, however instead of doing so at room temperature like a standard microtome does, the cryostat allows the user to slice the tissue at a low temperature (–20 to –30 C).

What benefits does the cryostat offer?

The preservation of cell density and tissue architecture, which is crucial in the identification of neurosurgical materials, especially in the case of diffusely infiltrating gliomas, is a benefit of cryostat-cut frozen sections.

Cryostat was created by who?

Since Sir James Dewar is commonly credited with creating the first functioning cryostats, cryostats that include cryogenic fluids are now also referred to as dewars.

In order to gather the first liquefied hydrogen, Dewar employed silver-plated double-walled glass containers in 1897.

 

Video explanation of cryostat

This video will give you a further explanation of the meaning of cryostat and how it works.

Summary

In the field of medicine and other related fields, cryostat are crucial. Their major objective is to preserve tissue samples made of human, animal, or plant tissues at low cryogenic temperatures. Additionally, inside the cryostat machine, devices can be installed.
The crystals in the beam are maintained at a consistent temperature using open gas stream cryostats.

 

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