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Wide-field fluorescence images (upper) acquired simultaneously in two orthogonal polarizations (double-ended arrows) depicting the 1D diffusional motions of rod-shaped single molecules confined within surfactant-templated mesoporous silica (bottom scheme).October 2014Science Highlights

Wobbling Molecules Probe Wiggle Room in Nanochannels

Single-molecule wobbling measurements help to elucidate molecular confinement within cylindrical nanopores. Read More »

Representative structures of the fluoroprotactinates synthesized and their structures determined using single crystal X-ray crystallography.October 2014Science Highlights

At an Elemental Crossroad: Investigating the Chemistry of Protactinium

Studies of protactinium aim to understand its chemistry and its unique electronic properties in the actinide elements. Read More »

AFM micrograph of the muscovite (001) basal plane showing PuO2 nanoparticles after overnight exposure to 2 mM Pu(III) in 100 mM NaCl at pH 2.6 (image range: 200 nm×200 nm).October 2014Science Highlights

Surface-Mediated Formation of Plutonium Nanoparticles

Researchers observe metal-trapping on mineral surfaces. Read More »

Changes in primary DNA sequence (a) and three-dimensional structure (b) upon directed evolution of the noncatalytic protein hRXRα to the ligase enzyme 10C.July 2014Science Highlights

Watching the Evolution of a Protein’s Function

Study reveals structural changes leading to catalytic activity. Read More »

Color map (left) reconstructed image showing the direction of magnetization and the stray magnetic fields in and around a cobalt nanospiral (color wheel indicates magnetization direction) that is only 20 nm in diameter (images taken using high resolution Lorentz microscopy), and (right) tomographic reconstruction showing the 3D shape of the nano-spiral.June 2014Science Highlights

Magnetic Structure of Sculpted Nanospirals

Direct visualization of magnetic structures gives researchers a window into new possibilities at the Nanoscale. Read More »

Local regions of gel shrink when exposed to light through a photomask apeture.June 2014Science Highlights

Morphing Polymer Shape and Motion with Light

Computational modelling shows how the shape and motion in a polymer gel can be controlled solely by light. Read More »

Control of the synthesis results in a diversity of self-assembled structures formed by sticky colloidal particles:  array of “mushrooms” (left), wavy colloidal “fur”, dense fiber network, and three-dimensional reconstruction of the network (right).June 2014Science Highlights

Growing Nano “Hair” for Electrodes - From the Bottom Up

Electric fields control growth of “sticky” polymer particles. Read More »

Left: Fluorescent image of two polystyrene particles positioned at the north and south poles of a liquid crystal droplet. Right: Simulation of particle adsorption; region of disorder within droplets coincides exactly with the particle positions at the poles.June 2014Science Highlights

Cell-like Decoration of “Gooey” Surface

Precise, predictable positioning of nanoparticles on a liquid crystal droplet. Read More »

The color spectrum of light absorbed by a strongly-coupled perylene-tetrapyrrole dyad is more than the sum of the spectra of the constituents.June 2014Science Highlights

Capturing All the Light: Panchromatic Visible Absorption for Solar Photoconversion

Linking together two light absorbing pigments to construct a better artificial photosynthesis solar cell. Read More »

EPR spectra (A) with generated with isotope labeled tyrosines show that a tyrosine radical (B) is cleaved to form an oxobenzyl radical (C) as an intermediate in forming the CO and CN Fe ligands in FeFe hydrogenase.June 2014Science Highlights

Totally Radical: Unique Chemistry Needed to Make a Biological Hydrogen Catalyst

Key steps revealed in assembling the active site of a hydrogen-generating catalyst in bacteria. Read More »

Last modified: 10/8/2013 4:06:58 PM