Related Experiment Video
Updated: Jun 23, 2025
06:24
Preparation of Nanoparticles for ToF-SIMS and XPS Analysis
Published on: September 13, 2020
7.9K
Past progress in environmental nanoanalysis and a future trajectory for atomic mass-spectrometry methods
M D Montaño1, A J Goodman2, J F Ranville2
1Department of Environmental Sciences, Western Washington University, Bellingham, WA 98225, United States of America.
Nanoimpact
|June 21, 2024
Summary
Advancements in nanoanalysis, including single particle inductively coupled plasma mass spectrometry (spICP-MS) and time-of-flight MS (spICP-TOFMS), offer deeper insights into nanoparticle behavior and environmental impacts. These techniques revolutionize the characterization of nanoscale materials.
Area of Science:
- Environmental Science
- Analytical Chemistry
- Nanotechnology
Background:
- Traditional methods for analyzing environmental nanoparticles relied on broad size classifications based on filter cut-offs.
- Engineered nanomaterials require more sophisticated analytical techniques for accurate characterization.
- Electron microscopy and light-scattering have historically informed nanoanalysis.
Purpose of the Study:
- To highlight advancements in environmental nanoanalysis instrumentation and data processing.
- To demonstrate the capability of new techniques in characterizing nanoparticle properties and behavior.
- To explore the potential of emerging nanoanalysis methods for understanding the environmental fate of nanomaterials.
Main Methods:
- Field flow fractionation coupled with inductively coupled plasma-quadrupole mass spectrometry (FFF-ICP-QMS).
- Single particle inductively coupled plasma mass spectrometry (spICP-MS) for analyzing nanoparticles at environmentally relevant concentrations.
- Single particle inductively coupled plasma time-of-flight mass spectrometry (spICP-TOFMS) for multi-elemental characterization of nanoparticles.
Main Results:
- spICP-MS and FFF-ICP-QMS enable detailed size distribution analysis of submicron particles, moving beyond simple filter-based classifications.
- spICP-TOFMS allows for the characterization of multi-elemental composition within individual nanoparticles.
- These advanced techniques provide a more comprehensive understanding of nanomaterial behavior in environmental and biological systems.
Conclusions:
- Emerging nanoanalysis techniques, particularly spICP-TOFMS, are revolutionizing the field by enabling detailed characterization of nanoparticle populations.
- There is a growing need for improved instrumentation and data processing to fully leverage these advanced nanoanalysis capabilities.
- These advancements promise to significantly enhance our understanding of the environmental significance of nanoparticles, bridging the gap between dissolved and bulk particulate matter.
More Related Videos
07:24Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis
Published on: May 10, 2021
6.0K
14:53In Situ Detection and Single Cell Quantification of Metal Oxide Nanoparticles Using Nuclear Microprobe Analysis
Published on: February 3, 2018
7.1K
Related Concept Videos
01:20Atomic Emission Spectroscopy: Overview
2.1K
Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
2.1K
01:21Atomic Absorption Spectroscopy: Lab
331
For AAS measurements, samples must be introduced as clear solutions, often requiring extensive preliminary treatment to dissolve materials like soils, animal tissues, and minerals. Common methods for sample preparation include treatment with hot mineral acids, wet ashing, combustion in closed containers, high-temperature ashing, or fusion with reagents.
Solutions containing organic solvents, such as low-molecular-mass alcohols, esters, or ketones, enhance absorbances by increasing...
Solutions containing organic solvents, such as low-molecular-mass alcohols, esters, or ketones, enhance absorbances by increasing...
331
01:23Atomic Spectroscopy: Absorption, Emission, and Fluorescence
859
Atomic spectroscopy is a vital tool in elemental analysis, both qualitatively and quantitatively. It can be broadly divided into optical spectroscopy, mass spectroscopy, and X-ray spectroscopy methods. The optical spectroscopic methods are atomic absorption spectroscopy (AAS), atomic emission spectroscopy (AES), and atomic fluorescence spectroscopy (AFS). The first step in all three methods is atomization, where the solid, liquid, or solution-phase samples are converted into gas-phase atoms and...
859
01:29Atomic Emission Spectroscopy: Lab
156
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
156
01:13Mass Analyzers: Overview
632
The mass analyzer is a crucial component of the mass spectrometer. In the ionization chamber, the vaporized sample is bombarded with a high-energy electron beam to generate a radical cation and further fragment into neutral molecules, radicals, and cations. A series of negatively charged accelerator plates accelerate the cations into the mass analyzer. The mass analyzer separates ions according to their mass-to-charge (m/z) ratios and then directs them to the detector. The common types of mass...
632
01:27Atomic Absorption Spectroscopy: Overview
2.0K
Atomic absorption spectroscopy (AAS) is a technique used to analyze elements by measuring electromagnetic radiation (EMR) absorbed by atoms, which causes them to transition to a higher-energy orbit. The most crucial step in AAS is atomization, where the analyte is converted into gas-phase atoms, typically through a flame or furnace. Some of these atoms become thermally excited in the flame, while most remain in the ground state.
When irradiated by EMR of a particular wavelength, these...
When irradiated by EMR of a particular wavelength, these...
2.0K