What are isotopes?how are isotopes used in biological research?
Answer:
isotopes are compounds with same atomic number but different mass number
eg:hydrogen(1,1),deutrium(1,2)... no.,mass number)
carbon-12 and carbon-14
Usually they're used for radioactive dating base of an element's known half life decay time.
For example, C-14
The isotopes are the name of the baseball team in Springfield.
isptopes are used to determine which parts of a given compound are taken into the body and used. generally the isotopes used are radioactive and can be seen using specialized lab equipment.
Isotopes are forms of the same element (all have same number of protons) whose atoms differ by their number of neutrons.
They are used in bio research and medicine. I'm not an expert by any measure, so refer to
http://en.wikipedia.org/wiki/radioisotop... (uses)
and
http://en.wikipedia.org/wiki/nuclear_med... (types of studies)
Isotopes are any of the several different forms of an element each having different atomic mass (mass number). Isotopes of an element have nuclei with the same number of protons (the same atomic number) but different numbers of neutrons. Therefore, isotopes have different mass numbers, which give the total number of nucleons—the number of protons plus neutrons.
http://personal.ph.surrey.ac.uk/~phs1it/...
http://en.wikipedia.org/wiki/isotope_tab...
What is a medical isotope?
A medical isotope is a very small quantity of radioactive substance used in safe, cost-effective imaging and treatment of disease. New technologies enable medical isotopes to be delivered directly to the site of diseased cells. This is different from external beam radiation treatment where radiation is directed from outside of the body.
Who uses medical isotopes?
The medical specialty that utilizes medical isotopes for diagnosis and treatment is called nuclear medicine. The doctors that perform nuclear medicine procedures for cancer are called radiation oncologists.
What can medical isotopes do in diagnosis?
Radioisotopes give off energy that can be detected by special equipment. When small quantities are introduced into the body, the imaging equipment tracks their location and movement. This enables the doctors to learn more about the diseased tissues than a diagnostic procedure that just takes a picture from the outside. Medical isotope diagnostic procedures often facilitate an earlier and more complete disease diagnosis and therefore more rapid and effective treatment.
What can medical isotopes do in cancer treatment?
The energy given off by radioisotopes is very effective at zapping diseased cells. When they are delivered straight to the cancer cells, healthy tissues are spared while cancer cells are eliminated. Medical isotopes are delivered to the cancer cells in several different ways.
What different types of medical isotope treatments are there?
Brachytherapy is a form of cancer treatment where tiny "seeds" containing medical isotopes are accurately placed within and near a tumor. Brachytherapy is FDA approved and used for localized prostate cancer, liver cancer, head and neck cancers, gynecological cancers and others.
Radioimmunotherapy is a type of treatment where doctors inject antibodies that have isotopes attached like little backpacks. The antibodies (called monoclonal antibodies) then flow through the bloodstream and attach themselves to the cancerous cells. The energy from the medical isotopes is thus targeted straight to the cancer. This type of treatment is showing great promise for blood cancers such as leukemia, lymphoma, and multiple myeloma. Most Radioimmunotherapy treatments are still in clinical trials.
Medical isotopes can also be directed to cancerous cells by a carrier that has an attraction to a certain part of the body. Chemical phosphonates can be paired with medical isotopes and sent to the bone, since phosphonate is a natural building block of bone matrix. FDA approved treatments for pain associated with cancer that has spread to the bone are based on this delivery system. The medical isotope Iodine has been used for thyroid treatment for years because the isotope itself is naturally attracted to the thyroid.
isotopes are elements that have the similar chemical properties but different in their physical properties.there are various of certain elements like uranium,carbon etc.,they are used for chemical researches,for radioactivity,nuclear research etc.,
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