Oncology & Cancer

Filament formation enables cancer cells' glutamine addiction

Blocking the formation of filaments—multi-enzyme structures that fuel cancer activity—may offer new ways to control cancer cell proliferation, according to a new study led by Cornell researchers.

Neuroscience

Shedding light on the synaptic complexities of vision

An individual retinal cell can output more than one unique signal, according to a Northwestern Medicine study published in Nature Communications, a finding that sheds new light on the complexities of how vision functions ...

Neuroscience

Using ion beams to improve brain microscopy

Improving the way scientists can see the microscopic structures of the brain can improve our understanding of a host of brain diseases, like Alzheimer's or multiple sclerosis. Studying these diseases is challenging and has ...

Neuroscience

How a natural protein can help fight Alzheimer's disease

A new study published in Nature Communications gives insights into the underlying mechanisms of the formation of protein clumps in Alzheimer's disease. The study, led by researchers from Karolinska Institutet, could pave ...

Medical research

Human cells building 'molecular highways' captured for first time

Researchers at the Center for Genomic Regulation (CRG) in Barcelona and the Spanish National Cancer Research Center (CNIO) in Madrid have captured the world's first high-resolution images of the earliest moments of microtubule ...

Medications

Structural study points the way to better malaria drugs

Structural insights into a potent antimalarial drug candidate's interaction with the malaria parasite Plasmodium falciparum have paved the way for drug-resistant malaria therapies, according to a new study by researchers ...

Neuroscience

Key mechanisms in the synapses of the cerebellum unraveled

Whether picking up a small object like a pen or coordinating different body parts, the cerebellum in the brain performs essential functions for controlling our movement. Researchers at the Institute of Science and Technology ...

Diseases, Conditions, Syndromes

Possible trigger of chronic inflammatory bowel disease identified

As the cause of chronic inflammatory bowel diseases (IBD) such as Crohn's disease or ulcerative colitis is not yet known, treatment for sufferers is currently aimed at alleviating the often agonizing symptoms. The discovery ...

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Electron microscope

An electron microscope is a type of microscope that uses a particle beam of electrons to illuminate a specimen and create a highly-magnified image. Electron microscopes have much greater resolving power than light microscopes that use electromagnetic radiation and can obtain much higher magnifications of up to 2 million times, while the best light microscopes are limited to magnifications of 2000 times. Both electron and light microscopes have resolution limitations, imposed by the wavelength of the radiation they use. The greater resolution and magnification of the electron microscope is because the wavelength of an electron; its de Broglie wavelength is much smaller than that of a photon of visible light.

The electron microscope uses electrostatic and electromagnetic lenses in forming the image by controlling the electron beam to focus it at a specific plane relative to the specimen. This manner is similar to how a light microscope uses glass lenses to focus light on or through a specimen to form an image.

This text uses material from Wikipedia, licensed under CC BY-SA