Reference Terms

from Wikipedia, the free encyclopedia

Positron emission tomography

Positron emission tomography (PET) is a nuclear medicine medical imaging technique which produces a three dimensional image or map of functional processes in the body.

Note: The above text is excerpted from the Wikipedia article "Positron emission tomography", which has been released under the GNU Free Documentation License.

For more information, see the following related content on ScienceDaily:

1

2

A Quick Look Inside a Human Being

July 26, 2023 — Physicists have succeeded in making a new imaging technique ready for use on humans. Radioactive markers and radiation are not necessary for ...

Drug-Delivery Microcapsules Tagged With Zirconium-89 Can Be Tracked by PET Imaging

Jan. 21, 2021 — Polymer and radionuclide chemists report major advance in microcapsule drug delivery systems. Their microcapsules -- labeled with radioactive zirconium-89 -- are the first example of hollow polymer ...

Nuclear Terrorism Could Be Intercepted by Neutron-Gamma Detector That Pinpoints Source

May 19, 2021 — Scanning technology aimed at detecting small amounts of nuclear materials was unveiled by scientists in Sweden today, with the hope of preventing acts of nuclear ...

Finding Quvigints in a Quantum Treasure Map

Mar. 10, 2021 — Researchers have struck quantum gold -- and created a new word -- by enlisting machine learning to efficiently navigate a 20-dimensional quantum treasure ...

Scientists Have Laser-Cooled Antimatter

Mar. 31, 2021 — Scientists have succeeded in cooling down antihydrogen atoms - the simplest form of atomic antimatter - with laser ...

New Type of Entanglement Lets Scientists 'See' Inside Nuclei

Mar. 24, 2023 — Nuclear physicists have found a new way to see inside nuclei by tracking interactions between particles of light and gluons. The method relies on harnessing a new type of quantum interference between ...

Physicists Find New Way to Measure Properties of a Material's Surface Layer

Nov. 11, 2022 — Physicists have developed a new technique that can measure the properties of the topmost atomic layer of materials without including information from the underlying ...

Researchers Visualize Alpha-Synuclein Pathology in Living Patients With a Neurodegenerative Disorder

Aug. 30, 2022 — Multiple system atrophy (MSA) is a neurodegenerative disorder characterized by the aggregation of alpha-synuclein in the brain. Now, scientists have developed a radioligand that facilitates the ...

Noninvasive Imaging Strategy Detects Dangerous Blood Clots in the Body

Nov. 1, 2021 — Investigators have developed and tested a targeted contrast agent that can detect blood clots in the hearts of patients with atrial fibrillation, or an irregular heartbeat. The strategy could be used ...

Mechanical Hearts Can Regenerate Some Heart Tissue

Feb. 7, 2022 — Mechanical hearts spur some regeneration in dormant parts of failing hearts, according to a pilot study that shows promise for developing regenerative heart ...

Matter & Energy News

December 7, 2023

Ancient Stars Made Extraordinarily Heavy Elements

Dec. 7, 2023 — How heavy can an element be? An international team of researchers has found that ancient stars were capable of producing elements with atomic masses greater than 260, heavier than any element on the periodic table found naturally on Earth. The ...

Printed Robots With Bones, Ligaments, and Tendons

Nov. 15, 2023 — For the first time, researchers have succeeded in printing a robotic hand with bones, ligaments and tendons made of different polymers using a new laser scanning technique. The new technology makes it possible to 3D print special plastics with ...

'Cooling Glass' Blasts Building Heat Into Space

Nov. 13, 2023 — Researchers aiming to combat rising global temperatures have developed a new 'cooling glass' that can turn down the heat indoors without electricity by drawing on the cold depths of space. The new technology, a microporous glass coating, can lower ...

Photonics Team Develops High-Performance Ultrafast Lasers That Fit on a Fingertip

Nov. 9, 2023 — Scientists demonstrate a novel approach for creating high-performance ultrafast lasers on nanophotonic chips. The new advance will enable pocket-sized devices that can perform detailed GPS-free ...

Latest Headlines

updated 12:56 pm ET

North Korea and Beyond: AI-Powered Satellite Analysis Reveals the Unseen Economic Landscape of Underdeveloped Nations?

Dec. 7, 2023 — A joint research team in computer science, economics, and geography has developed an artificial intelligence (AI) technology to measure grid-level ...

Training Algorithm Breaks Barriers to Deep Physical Neural Networks

Dec. 7, 2023 — Researchers have developed an algorithm to train an analog neural network just as accurately as a digital one, enabling the development of more efficient alternatives to power-hungry deep learning ...

Soundwaves Harden 3D-Printed Treatments in Deep Tissues

Dec. 7, 2023 — Engineers have developed a bio-compatible ink that solidifies into different 3D shapes and structures by absorbing ultrasound waves. Because the material responds to sound waves rather than light, ...

Catalyst for Electronically Controlled C--H Functionalization

Dec. 7, 2023 — Scientists chipping away at one of the great challenges of metal-catalyzed C--H functionalization with a new method that uses a cobalt catalyst to differentiate between bonds in fluoroarenes, ...

Bowtie Resonators That Build Themselves Bridge the Gap Between Nanoscopic and Macroscopic

Dec. 6, 2023 — Two nanotechnology approaches converge by employing a new generation of fabrication technology. It combines the scalability of semiconductor ...

Grinding Coffee With a Splash of Water Reduces Static Electricity and Makes More Consistent and Intense Espresso

Dec. 6, 2023 — The fracturing and friction of coffee beans during grinding generates electricity that causes coffee particles to clump together and stick to the ...

Breakthrough in Photoactivatable Nanomedicine for the Treatment of Age-Related Macular Degeneration

Dec. 5, 2023 — Researchers have developed a light-activatable prodrug nanomedicine for age-related macular degeneration (AMD) therapy. Through the intravenous ...

Chemists Create Organic Molecules in a Rainbow of Colors

Dec. 5, 2023 — Chemists have now come up with a way to make molecules known as acenes more stable, allowing them to synthesize acenes of varying lengths. Using their new approach, they were able to build molecules ...

From Infamy to Ingenuity: Bacterial Hijack Mechanisms as Advanced Genetic Tools

Dec. 5, 2023 — Researchers have uncovered the intricate molecular mechanism used by parasitic phytoplasma bacteria, known for inducing 'zombie-like' effects in ...

Artificial Intelligence Makes Gripping More Intuitive

Dec. 5, 2023 — Artificial hands can be operated via app or with sensors placed in the muscles of the forearm. New research shows: a better understanding of muscle activity patterns in the forearm supports a more ...