Optical tweezers untangle chemotherapy agent's impact on DNA
New Cornell research is providing a fresh view into the ways a common chemotherapy agent, etoposide, stalls and poisons the essential enzymes that allow cancer cells to flourish.
New Cornell research is providing a fresh view into the ways a common chemotherapy agent, etoposide, stalls and poisons the essential enzymes that allow cancer cells to flourish.
Biochemistry
Jan 30, 2023
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24
Researchers have developed a way to use laser light to pull a macroscopic object. Although microscopic optical tractor beams have been demonstrated before, this is one of the first times that laser pulling has been used on ...
Optics & Photonics
Jan 11, 2023
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722
Although the human body is externally symmetric across the left-right axis, there are remarkable left-right asymmetries in the shape and positioning of most internal organs, including the heart, lungs, liver, stomach, and ...
Molecular & Computational biology
Jan 5, 2023
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91
Interactions between a spinning object and soundwaves could help develop high-precision tools, such as tweezers that control the motion and position of submillimeter objects by manipulating acoustic waves, a KAUST-led international ...
General Physics
Dec 13, 2022
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2
An ultrathin dielectric meta-lens has been created that improves focusing capabilities but can also be scaled down to a tiny size for integration with photonics equipment.
Optics & Photonics
Oct 24, 2022
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14
Scientists at the Max Planck Institute for the Science of Light have managed for the first time to create a unidirectional device that significantly increases the quality of a special class of transmitted signals in optical ...
Optics & Photonics
Oct 20, 2022
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34
Some biological molecules with efficient noncovalent bonding sites can use their bonding properties to create well-defined assemblies from a single class of molecules—i.e., they assemble with each other. These molecules, ...
Biochemistry
Oct 13, 2022
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32
Optical tweezers (OTs), also known as optical traps, are highly focused laser beams that can be used to trap and manipulate microscopic objects with a noncontact force. Employed in a wide range of nano and micro-scale operations, ...
Bio & Medicine
Oct 12, 2022
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5
Researchers from Tokyo Metropolitan University have successfully enhanced technology to lift small particles using sound waves. Their "acoustic tweezers" could lift things from reflective surfaces without physical contact, ...
General Physics
Aug 22, 2022
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51
Researchers from Skoltech, the University of Iceland, and the University of Southampton have demonstrated the formation of an odd never-before-seen entity from the realm of quantum physics: a cluster of optical vortices with ...
Optics & Photonics
Aug 10, 2022
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63