New cryo-electron microscopy images suggest archaeal microbes pack their chromatin into tight coils that can spring open, forming unexpected contortions.
Molecular & Computational biology
Mar 2, 2021
0
3190
Even the smallest molecule can tell a big story. For instance, observing a single molecule can throw light on underlying biological processes in the human body. In fact, molecular imaging procedures—which are noninvasive ...
Nanophysics
Jan 20, 2021
0
50
In high school textbooks, human chromosomes are pictured as wonky Xs like two hotdogs jammed together. But those images are far from accurate. "For 90 percent of the time," said Jun-Han Su, "chromosomes don't exist like that."
Cell & Microbiology
Nov 18, 2020
4
3117
Traditional lenses—like the ones found in eyeglasses—are bulky, heavy and only focus light across a limited number of wavelengths. A new, ultrathin metalens developed by researchers at the University of California, Berkeley, ...
Condensed Matter
Jun 26, 2020
3
980
A Northwestern University research team has developed a new method to conduct spectroscopic nanoscopy, an approach that could help researchers understand more complicated biomolecular interactions and characterize cells and ...
Optics & Photonics
May 28, 2020
0
45
A new imaging method combined with machine learning uncovers previously hidden information in micrographs of biological cells to reveal quantitative information of gene expression levels.
Molecular & Computational biology
Mar 13, 2020
0
1014
University of Groningen physicists have visualized hydrogen at the titanium/titanium hydride interface using a transmission electron microscope. Using a new technique, they succeeded in visualizing both the metal and the ...
Nanophysics
Jan 31, 2020
0
612
Infrared (IR) thermography is used to determine the temperature of organisms and objects with high precision without interfering with the system. A single image taken with an IR camera can capture the same amount of information ...
Analytical Chemistry
Jan 10, 2020
0
109
Current super-resolution microscopes or microarray laser scanning technologies are known for their high sensitivities and very good resolutions. However, they implement high light power to study samples, samples that can ...
Quantum Physics
Oct 24, 2019
0
471
Thanks to the advent of super-resolution microscopes some 30 years ago, scientists can observe subcellular structures, proteins and living tissue with unprecedented precision. These microscopes operate by measuring the fluorescent ...
Optics & Photonics
Aug 26, 2019
0
57
