Themed collection Community Leaders: Gary Hieftje

Guest Editors Steven J. Ray and Carsten Engelhard introduce this themed issue in honor of Gary M. Hieftje.

Controlled introduction of monodisperse microdroplets is tool that can be used to improve single-particle ICP-MS measurements. Microdroplet-based signals are used for calibration, and also enable us to devise and validate data analysis strategies.

This tutorial review article is highlighting the fundamentals, instrumentation, and most recent trends of single-cell analysis by use of inductively coupled plasma-mass spectrometry (ICP-MS).

This review summarizes the current status and the latest developments in understanding the role of various charge transfer processes in analytical glow discharges.

The critical review discusses instrumental developments in single particle ICP-MS (spICP-MS) of recent years step-by-step. Nanoanalysis application papers from the literature are summarized in a tabular form including important experimental parameters.

Cu²⁺ – assisted photomethylation of fluoride in dilute acetic acid medium is suggested to occur by radical halogen atom transfer, with Cu(II) acting in a catalytic capacity.

The presence of gold nanoparticles on the metallic sample surface positively changes the particle size distribution of the laser ablation aerosol.

This paper resolves a long standing discrepancy between theoretical modeling of atmospheric microwave plasma jets and their diagnostics by Thomson scattering. The discrepancy is found to be created by the filamentary behavior of the plasma.

LA-ICP-MS under cold plasma conditions is used for imaging analysis of the sodium content in plant roots.

The development of extreme ultraviolet (XUV) sources for tabletop operation has enabled a range of new applications in nano-structuring and spectroscopy.

Comprehensive characterization of ICP-SFMS matrix effects as function of analyte mass, matrix mass, focus lens voltage and nebulizer gas flow rate.

In this work, different single-particle ICP-MS (SP-ICP-MS) approaches, relying on either chemical or physical resolution to overcome spectral overlap, have been assessed for their utility in the characterization of iron oxide nanoparticles (IONPs).

The transport of arsenic from soil through to edible crop is important when assessing the potential health risks from a food source.

hFAPA ion source as an analytical tool for the determination of volatile organic compounds in gas samples by direct injection.

A novel multi-electrode glow discharge provides increased sensitivity and analytical flexibility for both atomic and molecular MS determinations.

A laser-induced breakdown spectrometry (LIBS) system for rapid slag analysis near a steel process has been tested and evaluated.

A comparative study of the cytotoxicity of HgSe nanoparticles and that induced by inorganic mercury and methylmercury in two cell lines.

Comprehensive methodology for investigation of the interaction of fluorinated drugs with animals organisms.

Fundamental aspects of nitric acid effect have been revisited to provide new insights into the possible sources and its correction by internal standardization.

Horizontal ICP with large droplet cloud showing YO and neutral Y emission.

An improved transmission-type triple grating spectrograph permits 2D mapping of plasma species via laser scattering closer to surfaces, at faster measurement time, and the lowest electron density detection limit reported.

Coupling of a combined atomic and molecular (CAM) ionization source with a reduced-format mass spectrometer for the analysis of diverse species provides unique capabilities that can be implemented in diverse laboratory and in-field situations.

LIBS molecular emission analysis constitutes a reliable approach in order to establish an identification system for biomarker organic precursors under a low pressure CO₂ atmosphere.

The calibration of LA-ICP-MS is achieved using a highly precise and inexpensive dosing device for pL-droplets based on a commercial inkjet cartridge.

Imaging experiments were used to explore solution-to-plasma transport and plasma structure in a solution-cathode glow discharge.

The accurate direct elemental analysis of fats and oils is accomplished according to a dilution and shot analysis method.

This study presents the most efficient silicon isotopic analysis method for bulk silicate rock samples by both nanosecond and femtosecond laser ablation MC-ICP-MS.

A novel portable excitation microsource for optical emission spectrometry (OES) based on atmospheric pressure glow discharge with a liquid drop anode (LDA-APGD), generated in a ceramic microchip (mch), was developed.

Antibodies conjugated with naturally abundant and isotopically enriched AgNCs are used for bioimaging of proteins in human retinal layers by LA-ICP-MS.

Methodology for SI traceable determination of particle number concentration by reference NM-free spICP-MS.

Fast aerosol transport technologies used in LA-ICP-MS increased the need for high-repetition rate lasers. We thoroughly investigated the performance of a 500 Hz laser and no damaging effect on the image quality was observed.