Nanochemistry

News and Updates

Researchers Explore Energy-saving Catalysts that Operate at Room Temperature

April 15, 2019

NIST researchers have explored in unprecedented detail a new breed of catalysts that allow some chemical reactions, which normally require high heat, to proceed

An electron micrograph showing a globular cluster of silver nanoparticles atop the surface of a cutting board from which it was scratched off.

Do Kitchen Items Shed Antimicrobial Nanoparticles After Use?

November 8, 2018

Because of their antimicrobial and antifungal properties, silver nanoparticles measuring between one and 100 nanometers (billionth of a meter) in size, are

Atomic-Scale Movies Reveal That Catalyst Nanoparticles Undergo Internal Changes to Forge Carbon Nanotubes

September 20, 2017

Lights, camera, catalysis! Researchers at the National Institute of Standards and Technology (NIST) have made some of the first movies of the structural

Even Better than DNA Origami

September 1, 2017

DNA is the stuff of life, but it is also the stuff of nanotechnology. Because molecules of DNA with complementary chemical structures recognize and bind to one

Projects and Programs

PTIR combines the spatial resolution of AFM with the specificity of absorption spectroscopy

Nano-Chemical Imaging and -Spectroscopy (IR, nIR, VIS)

Conventional techniques for analyzing chemical composition, such as infrared (IR) microscopy often miss critically important nanoscale details. To overcome this

Tracking Nanoparticles as Optical Indicators of Device Dynamics

Nanofabricated and microfabricated devices, ranging from nanomotors propelled by ultrasound to microelectromechanical systems (MEMS), can move in fascinating

Schematic showing DNA origami in a laser beam

DNA Origami for Precise Manufacturing of Nanoscale Structures

Over the past decade nanoscale science has produced varied and fascinating nanostructures with an extraordinary range of interesting and useful properties. In

Fundamental Interaction Mechanisms of Engineered Nanomaterials with DNA

We utilized isotope-dilution liquid chromatography/mass spectrometry (LC/MS) to determine the levels of the oxidatively damaged DNA bases, 8

Publications

Nanoscale mapping of the double layer potential at the graphene-electrolyte interface

January 28, 2020

Author(s)

Evgheni Strelcov, Christopher M. Arble, Hongxuan Guo, Brian D. Hoskins, Alexander Yulaev, Ivan Vlassiouk, Nikolai B. Zhitenev, Alexander Tselev, Andrei A. Kolmakov

The structure and potential drop across the electrical double layer (EDL) govern the operation of multiple electrochemical devices, determine reaction

Separation of Specific Single Enantiomer Single-Wall Carbon Nanotubes in the Large Diameter Regime

November 19, 2019

Author(s)

Jeffrey A. Fagan, Ming Zheng, Sofie Cambre, Wim Wenseleers, Benjamin Flavel, Han Li, Stephanie Reich, Georgy Gordeev, Oisin Garrity, Naga Peyyety, Ralph Krupke, Pranauv Selvasundaram

Enantiomer level isolation of single-wall carbon nanotubes (SWCNTs) in high concentration and purity for nanotubes greater than 1.1 nm in diameter is

Topology, Landscapes, and Biomolecular Energy Transport

October 11, 2019

Author(s)

Justin E. Elenewski, Kirill Velizhanin, Michael P. Zwolak

While ubiquitous, energy redistribution remains a poorly understood facet of the nonequilibrium thermodynamics of biomolecules. At the molecular level, finite

Parallel multi-parameter study of PEI-functionalized gold nanoparticle synthesis for bio-medical applications: Part 1. A critical assessment of methodology, properties and stability

August 20, 2019

Author(s)

Tae Joon Cho, Justin M. Gorham, John M. Pettibone, Jingyu Liu, Jiaojie Tan, Vincent A. Hackley

Cationic polyethyleneimine (PEI) conjugated gold nanoparticles (AuNPs) that are chemically and physically stable under physiological conditions are an ideal

Tools and Instruments

X-ray Photoelectron Spectroscopy

The Material Measurement Science Division at NIST performs surface chemical analysis using X-ray Photoelectron

Awards

Elijah Petersen Receives ACS Chemical Research in Toxicology Award

The 2020 Chemical Research in Toxicology Young Investigator Award was selected by a committee jointly comprised of members from the Chemical...