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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.

Of Metal Heads and Imaging

IPI is a fluorescent probe that can visualize changes in exchangeable iron stores in living cells upon iron supplementation or depletion.

Berkeley Lab researchers are developing molecular imaging probes and techniques to study metals in the brain that have been linked to disorders such as Alzheimer’s and Parkinson’s diseases.

Not Much Force: Berkeley Researchers Detect Smallest Force Ever Measured

Mechanical oscillators translate an applied force into measureable mechanical motion. The Standard Quantum Limit is imposed by the Heisenberg uncertainty principle, in which the measurement itself perturbs the motion of the oscillator, a phenomenon known as “quantum back-action.” (Image by Kevin Gutowski)

Berkeley Lab researchers have detected the smallest force ever measured – approximately 42 yoctonewtons – using a unique optical trapping system that provides ultracold atoms. A yoctonewton is one septillionth of a newton.

Dynamic Spectroscopy Duo

2D-EV spectral data tells researchers how photoexcitation of a molecular system affects the coupling of electronic and vibrational degrees of freedom that is essential to understanding how all molecules, molecular systems and nanomaterials function.

Berkeley Lab researchers have developed a new technique called two-dimensional electronic-vibrational spectroscopy that can be used to study the interplay between electrons and atomic nuclei during a photochemical reaction. Photochemical reactions are critical to a wide range of natural and technological phenomena, including photosynthesis, vision, nanomaterials and solar energy.

Producing Hyperpolarized Xenon Gas on a Microfluidic Chip

In this experimental set-up, unpolarized  xenon gas goes in and hyperpolarized xenon gas emerges from a microfluidic chip when the gas becomes polarized through spin exchange with optically pumped rubidium atoms in the chip.

Berkeley Lab researchers have developed a technology by which hyperpolarized xenon gas is produced on a microfluidic chip, providing a contrast agent capable of enhanced NMR signals with a small, portable device.

Superheavy Chemistry, One Atom at a Time

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It’s now more or less official: element 117 will have a seat at the periodic table. Earlier this month an international team of scientists that included researchers from Lawrence Berkeley National Lab’s Nuclear Science Division found two atoms of superheavy element 117. The experiment, conducted at a particle accelerator at the GSI Helmholtz Center for

Probing dopant distribution: Finding by Berkeley Lab Researchers at the Molecular Foundry Opens the Door to Better Doping of Semiconductor Nanocrystals

Berkeley Lab researchers at the Molecular Foundry have shown that when doping a semiconductor to alter its electrical properties, equally important as the amount of dopant is how the dopant is distributed on the surface and throughout the material.

Tracking Catalytic Reactions in Microreactors

Berkeley Lab researchers have demonstrated a technique that for the first time allows the catalytic reactivity inside a microreactor to be mapped in high resolution from start-to-finish. This technique opens a more effective and efficient synthesis of pharmaceutical drugs and other flow reactor chemical products.

Shapes of Things to Come: Exotic Shapes for Liquid Drops Have Many Possible Uses

Through a combination of water, oil and nanoparticle surfactants plus an external field, spherical droplets are being transformed into ellipsoids and other unusual shapes that could find many valuable uses.

In Water as In Love, Likes Can Attract

Berkeley Lab researchers have shown that, contrary to the scientific axiom that only opposite charges attract, when hydrated in water, positively charged ions can pair up with one another.