LBNL Masthead A-Z IndexBerkeley Lab mastheadU.S. Department of Energy logoPhone BookJobsSearch
Science Highlights


Science highlights feature research conducted by staff and users at the ALS.

If a Power Point summary slide or a PDF handout of the highlight is available, you will find it linked beneath the highlight listing and on the highlight's page. You may also print a version of a highlight by clicking the print icon associated with each highlight.



A New Pathway for Radionuclide Uptake Print
Thursday, 21 January 2016 12:40

Scientists have reported a major advance in understanding the biological chemistry of radioactive metals, opening up new avenues of research into strategies for remedial action in the event of possible human exposure to nuclear contaminants.

Summary Slide Handout

Read more...
 
Phonon Polariton Behavior in 2D Materials Print
Tuesday, 19 January 2016 09:57

Synchrotron infrared nanospectroscopy (SINS) was used to study the behavior of phonon polaritons in ultrathin crystals of hexagonal boron nitride. The results pave the way towards engineering infrared-light photonic nanodevices and expand our understanding of polariton behavior in low-dimensional nanomaterials.

Summary Slide Handout

Read more...
 
Weyl Fermions Discovered After 85 Years Print
Wednesday, 09 December 2015 00:00

Weyl fermions, elusive massless particles first theorized 85 years ago, have now been detected as emergent quasiparticles in synthetic crystals of the semimetal TaAs. The discovery could allow for the nearly free and efficient flow of electricity, as well as the realization of many fascinating topological quantum phenomena.

Summary Slide Handout

Read more...
 
Binding Behavior of Dopamine Transporter Key to Understanding Chemical Reactions in the Brain Print
Wednesday, 09 December 2015 00:00

Scientists working at the ALS recently solved the crystallographic structures of several amine transporters in an effort to better understand why the human brain responds to chemicals like dopamine and serotonin. What they found will help in the design of drugs to treat many neurological diseases, and may also lead to a better understanding of how addiction to abused drugs such as cocaine can be managed.

Summary Slide Handout

Read more...
 
Watching a Liquid-Crystal Helix Unwind Print
Wednesday, 09 December 2015 00:00

For the first time, researchers have directly measured the helical pitch of twisted liquid crystals composed of achiral bent-core molecules. The work opens the door to understanding the interplay between structure and property in important organic materials, including liquid crystals, lipid tubules, and peptoids.

Summary Slide Handout

Read more...
 
A Designed Protein Maps Brain Activity Print
Wednesday, 28 October 2015 00:00

A team of scientists designed and validated via x-ray crystallographic studies a fluorescent protein (CaMPARI) that allows the permanent marking of active brain cells. The protein was then used to study live changes via fluorescence in the active nerve cells in brains of fruit flies, zebrafish, and mice.

Summary Slide Handout

Read more...
 
X-Ray Microscopy Reveals How Crystal Mechanics Drive Battery Performance Print
Wednesday, 28 October 2015 00:00

Recent findings at the ALS show that small crystal size is key to maintaining a battery's performance and establish soft x-ray ptychography as an essential tool for studying chemical states in nanoparticles.

 

Summary Slide Handout

Read more...
 
Signal Speed in Nanomagnetic Logic Chains Print
Wednesday, 30 September 2015 00:00

A time-resolved x-ray imaging technique directly observes signal propagation dynamics in nanomagnetic logic (NML) chains. The technique can assess NML reliability on fast time scales and help optimize chain engineering for this promising ultralow-power computing architecture.

Summary Slide Handout

Read more...
 
Carotenoid Pigment is the Key to Photoprotection Print
Wednesday, 30 September 2015 00:00

A technique newly available at the ALS has enabled researchers to discover a surprising key event in photosynthetic systems.

Summary Slide

Read more...
 
Tracking the Elusive QOOH Radical Print
Monday, 29 June 2015 00:00

For the first time, researchers directly observed QOOH molecules, a class of highly reactive molecules at the center of the web of ignition chemistry reactions. The data generated will improve the fidelity of combustion models used to create cleaner and more efficient cars and trucks.

Summary Slide Handout

Read more...
 
Ancient Proteins Help Unravel a Modern Cancer Drug’s Mechanism Print
Tuesday, 23 June 2015 13:00

The cancer drug Gleevec is extremely specific, binding and inhibiting only the cancer-causing tyrosine protein kinase Blc-Abl, while not targeting homologous protein kinases found in normal, healthy cells. Researchers at the ALS have uncovered exactly why that is the case, pointing to novel methods of drug discovery.

Summary Slide Handout

Read more...
 
Spectroscopy of Supercapacitor Electrodes In Operando Print
Wednesday, 27 May 2015 00:00

X-ray spectroscopy of graphene supercapacitor electrodes under operating conditions reveals changes in electronic structure and bonding. The research could lead to an improvement in the capacity and efficiency of electrical energy storage systems needed to meet the burgeoning demands of consumer, industrial, and green technologies.

Summary Slide Handout

Read more...
 
ALS X-Rays Shine a New Light on Catalysis Print
Thursday, 21 May 2015 11:16

Electrocatalysts are responsible for expediting reactions in many promising renewable energy technologies. Recently a team of Stanford and Berkeley Lab researchers used x-rays at the ALS in a novel way to observe the behavior of electrons during technologically important chemical reactions in metal oxide electrocatalysts. What they learned has upended long-held scientific understanding of how these catalysts work.

Summary Slide Handout

Read more...
 
Peptoid Nanosheets Offer a Diversity of Functionalities Print
Wednesday, 29 April 2015 00:00

Researchers at the ALS have recently observed peptoid nanosheets—two-dimensional biomimetic materials with customizable properties—as they self-assemble at an oil–water interface. This new development opens the door to designing peptoid nanosheets of increasing structural complexity and chemical functionality for a broad range of applications, including improved chemical sensors and separators, and safer, more effective drug delivery vehicles.

Summary Slide Handout

Read more...
 
A Fullerene that Breaks the Rules Print
Tuesday, 28 April 2015 00:00

Scientists used small-molecule x-ray crystallography to verify and characterize the first non-functionalized fullerene with a heptagonal ring in the cage. This new molecule changes the definition of a classical fullerene and expands the range of structural possibilities for endohedral fullerenes.

Summary Slide Handout

Read more...
 
<< Start < Prev 1 2 3 4 5 6 7 8 9 10 Next > End >>

Page 2 of 17