Gray Converter
Convert Gray to Dekagray and more • 73 conversions
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Unit Explanations
GrayGy
Source UnitThe gray (Gy) is the SI derived unit of absorbed dose of ionizing radiation, defined as the absorption of one joule of radiation energy by one kilogram of matter. It quantifies the amount of energy deposited by radiation in a specified mass of material, which in biological contexts is often human tissue. The gray is crucial in assessing radiation exposure and its potential biological effects, and it serves as a fundamental unit in radiation safety and protection protocols.
Current Use
The gray is widely used in medical fields, particularly in radiation therapy for cancer treatment, where precise dosages are critical for effective treatment while minimizing damage to surrounding healthy tissue. It is also employed in radiological assessments, nuclear power, and safety protocols for radiation workers. Various international organizations, including the International Atomic Energy Agency (IAEA), utilize the gray for consistent communication regarding radiation exposure levels.
Fun Fact
The gray is equivalent to 100 rad, an older unit of absorbed dose.
DekagraydaGy
Target UnitA dekagray (daGy) is a derived unit of measurement in the International System of Units (SI), representing the absorbed dose of ionizing radiation. It is defined as the absorption of 10 joules of radiation energy per kilogram of matter. The gray (Gy), the SI unit for absorbed dose, is the base unit from which the dekagray is derived, where 1 daGy equals 10 Gy. This unit is essential in fields such as radiology, radiotherapy, and radiation protection, providing a standardized measure of the biological effect of radiation on human tissues.
Current Use
Dekagray is primarily used in medical fields such as oncology, where it helps quantify the dose of radiation delivered during cancer treatments. It is also utilized in radiation protection settings to ensure safety standards are met for workers and the public exposed to radiation. In research, dekagray can be used for experimental setups that involve higher doses, aiding in the communication of results and safety measures.
Fun Fact
The gray was named after the British scientist Louis Harold Gray, who contributed significantly to radiobiology.
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= × 1.00000How to Convert
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Gray
radiation • SI Unit
Definition
The gray (Gy) is the SI derived unit of absorbed dose of ionizing radiation, defined as the absorption of one joule of radiation energy by one kilogram of matter. It quantifies the amount of energy deposited by radiation in a specified mass of material, which in biological contexts is often human tissue. The gray is crucial in assessing radiation exposure and its potential biological effects, and it serves as a fundamental unit in radiation safety and protection protocols.
History & Origin
The gray was introduced in 1975 by the International System of Units (SI) as the unit of absorbed dose to provide a standardized measurement for radiation exposure. Its creation was a response to the need for a unified system that could facilitate consistency in scientific research and practical applications in radiology, nuclear medicine, and radiation therapy.
Etymology: The unit is named after the British physicist Louis Harold Gray, who made significant contributions to the field of radiation therapy and the study of radiation's effects on biological tissue.
Current Use
The gray is widely used in medical fields, particularly in radiation therapy for cancer treatment, where precise dosages are critical for effective treatment while minimizing damage to surrounding healthy tissue. It is also employed in radiological assessments, nuclear power, and safety protocols for radiation workers. Various international organizations, including the International Atomic Energy Agency (IAEA), utilize the gray for consistent communication regarding radiation exposure levels.
💡 Fun Facts
- •The gray is equivalent to 100 rad, an older unit of absorbed dose.
- •The gray is used in radiation therapy to ensure that the cancerous tissue receives a lethal dose while surrounding healthy tissue receives a much lower dose.
- •Louis Harold Gray was the first scientist to quantify the effects of radiation on living tissue, leading to advancements in cancer treatment.
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Dekagray
radiation • Non-SI
Definition
A dekagray (daGy) is a derived unit of measurement in the International System of Units (SI), representing the absorbed dose of ionizing radiation. It is defined as the absorption of 10 joules of radiation energy per kilogram of matter. The gray (Gy), the SI unit for absorbed dose, is the base unit from which the dekagray is derived, where 1 daGy equals 10 Gy. This unit is essential in fields such as radiology, radiotherapy, and radiation protection, providing a standardized measure of the biological effect of radiation on human tissues.
History & Origin
The concept of measuring radiation dose dates back to the early 20th century when physicists started to understand the harmful effects of ionizing radiation. The gray was established in 1975 by the International System of Units (SI) as a standard unit for measuring absorbed dose. The dekagray was subsequently introduced as a derived unit to facilitate the measurement of larger doses of radiation. The adoption of the gray and its multiples allowed for more precise communication regarding radiation exposure and its potential health impacts.
Etymology: The term 'deka' is derived from the Greek word 'dekas,' meaning ten, indicating that the dekagray represents ten grays.
Current Use
Dekagray is primarily used in medical fields such as oncology, where it helps quantify the dose of radiation delivered during cancer treatments. It is also utilized in radiation protection settings to ensure safety standards are met for workers and the public exposed to radiation. In research, dekagray can be used for experimental setups that involve higher doses, aiding in the communication of results and safety measures.
💡 Fun Facts
- •The gray was named after the British scientist Louis Harold Gray, who contributed significantly to radiobiology.
- •The dekagray is not commonly used in everyday life but is crucial in specialized fields like radiation therapy and nuclear medicine.
- •Radiobiological effects of ionizing radiation can vary greatly depending on the type of radiation and the duration of exposure.
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