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Nanotubes that Insert Themselves into Cell Membranes

An artist’s interpretation of a nanotube embedded within a cell membrane, allowing a DNA molecule to pass through. Credit: Xavier Studios

Berkeley Lab researchers have helped show that short carbon nanotubes can make excellent artificial pores within cell membranes. Moreover, these nanotubes, which are far more rugged than their biological counterparts, can self-insert into a cell membrane or other lipid bilayers.

New Insights on Carbonic Acid in Water

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A new study by Berkeley Lab researchers provides valuable new insight into aqueous carbonic acid with important implications for both geological and biological concerns.

Dark Energy Spectroscopic Instrument (DESI) Wins $1.1M Award

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The Heising-Simons Foundation has awarded $1.1M to the DESI project with the goal of helping to fabricate the unique optics needed to capture spectra of the young expanding universe.

A 3D Map of the Adolescent Universe

3D map of the cosmic web at a distance of 10.8 billion years from Earth,
generated from imprints of hydrogen gas observed in the spectrum of 24
background galaxies behind the volume. This is the first time that
large-scale structures in such a distant part of the Universe have been
directly mapped. Credit: Casey Stark (UC Berkeley) and Khee-Gan Lee (MPIA).

Using extremely faint light from galaxies 10.8-billion light years away, scientists have created one of the most complete, three-dimensional maps of a slice of the adolescent universe. The map shows a web of hydrogen gas that varies from low to high density at a time when the universe was made of a fraction of the dark matter we see today.

A Quick Look at Electron-Boson Coupling

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Using an ultrafast spectroscopy technique called trARPES, Berkeley Lab researchers demonstrated a link between electron-boson coupling and high-temperature superconductivity in a high-Tc cuprate.

RCas9: A Programmable RNA Editing Tool

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A powerful scientific tool for editing the DNA instructions in a genome can now also be applied to RNA as Berkeley Lab researchers have demonstrated a means by which the CRISPR/Cas9 protein complex can be programmed to recognize and cleave RNA at sequence-specific target sites.

MaxBin: Automated Sorting Through Metagenomes

MaxBin, an automated software program for binning the genomes of individual microbial species from metagenomic sequences is available on-line through JBEI.

MaxBin is an automated software program for binning the genomes of individual microbial species from metagenomic sequences developed at the Joint BioEnergy Institute (JBEI).

On the Road to Artificial Photosynthesis

This TEM shows gold–copper bimetallic nanoparticles used as catalysts for the reduction of carbon dioxide, a key reaction for artificial photosynthesis.

New experimental results have revealed the critical influence of the electronic and geometric effects in the carbon dioxide reduction reaction.

Excitonic Dark States Shed Light on TMDC Atomic Layers

Berkeley Lab researchers have found evidence for excitonic dark states in monolayers of tungsten disulfide that could explain the unusual optoelectronic properties of single atomic layers of transition metal dichalcogenide (TMDC) materials.

Berkeley Lab researchers believe they have uncovered the secret behind the unusual optoelectronic properties of single atomic layers of TMDC materials, the two-dimensional semiconductors that hold great promise for nanoelectronic and photonic applications.

Berkeley Lab Helps Capture Birth of Mineral in Real Time

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Researchers from Lawrence Berkeley National Laboratory, the University of California Berkeley, and Pacific Northwest National Laboratory have used a high-powered electron microscope to capture the birth of calcium carbonate crystals. It is a first step, the researchers say, to better understanding how it might be possible to pull excess carbon dioxide from the air and store it in rock where it wouldn’t contribute to global warming.