Nanochemistry

News and Updates

Room Temperature Conversion of CO₂ to CO: A New Way to Synthesize Hydrocarbons

November 2, 2020

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have demonstrated a room-temperature method that could

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

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

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

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

Publications

Dynamic Structure of Active Sites in Ceria-Supported Pt Catalysts for the Water Gas Shift Reaction

February 10, 2021

Author(s)

Yuanyuan Li, Matthew Kottwitz, Joshua L. Vincent, Zongyuan Liu, Michael J. Enright, Lihua Zhang, Jiahao Huang, Sanjaya D. Senanayake, Wei-Chang D. Yang, Peter A. Crozier, Ralph G. Nuzzo, Anatoly I. Frenkel

Oxide-supported noble metal catalysts have been extensively studied for decades for the water gas shift (WGS) reaction, a catalytic transformation central to a

Probing Electrified Liquid-Solid Interfaces with Scanning Electron Microscopy

December 2, 2020

Author(s)

Hongxuan Guo, Alexander Yulaev, Evgheni Strelcov, Alexander Tselev, Christopher M. Arble, Andras Vladar, John S. Villarrubia, Andrei A. Kolmakov

The mean free path of secondary electrons in aqueous solutions is on the order of a nanometer, making them a suitable probe of ultrathin electrical double

Parallel multi-parameter study of PEI-functionalized gold nanoparticle synthesis for bio- medical applications: Part 2. Elucidating the role of surface chemistry and polymer structure on performance

November 10, 2020

Author(s)

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

Despite the breadth and quality of published work in this area, it remains unclear how the specific properties of polyethyleneimine (PEI) and the methods

Design and Engineering Colloidal Magnetic Particles for Nanoscale Thermometry

September 2, 2020

Author(s)

Adam J. Biacchi, Thinh Q. Bui, Cindi L. Dennis, Solomon I. Woods, Angela R. Hight Walker

Thermometry based on magnetic nanoparticles (MNPs) is an emerging technology that allows for remote temperature measurements throughout a volume that are

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...