Two images of data visualization. On the left, a gray image with contours, and on the right, a blue fluorescence map with colored lines signifying chemical deposits.

Solving a wrinkle in wide-bandgap perovskites

Halide perovskites are good candidates as light absorbers in solar cells. However, they are prone to forming a wrinkled morphology, a quality that prevents their use in multijunction solar cells. Why and how these wrinkles form has been unclear. Using various analytical approaches, including X-ray fluorescence microscopy, a team of researchers helped answer these questions. 

 

A series of X-ray structures showing data taken during the experiment.

Closing a gap in the race toward HIV vaccine development

Work to develop a vaccine to protect against human immunodeficiency virus (HIV) has been underway for four decades. A recent study provides insights into antibody-based HIV vaccine development that could lead to the identification of vaccine immunogen candidates to elicit broadly neutralizing antibodies. 

A progression of images including a diagram of a process, a graph of data and a series of X-ray images.

Precise 3D imaging using dark-field X-ray microscopy under a structured illumination

In pursuit of a more efficient and reliable approach to synchrotron X-ray tomography, a research team recently combined dark-field X-ray microscopy (DFXM) with a technique called structured illumination. This combination resulted in quicker setup times, faster data collection, and a more robust path to achieving high-quality 3D images. 

Images of protein structures from X-ray data.

Exploring the molecular relationship between glycated proteins and cancer cells

Sugar molecules in our bodies can disable proteins that help cancer cells proliferate. A new study involving high-resolution structures determined from data collected at the APS reveals how one such molecule deglycates a protein. These findings can serve as the basis for structure-based and in silico drug design targeting that molecule.

Image of an X-ray structure of Ivosidenib and a protein.

Scientists solve mystery of cancer-causing mutant

The IDH1 protein helps turn the food we eat into chemical energy that powers our cells. However, an alteration in just one of the protein’s amino acids has also been linked to brain and blood cancer. Recent research describes a newly designed compound that binds to IDH1, and measurements lay the foundation for further investigations in anticancer drug development and basic research.

APS PEOPLE & EVENTS