Themed collection Atomic spectrometry for the analysis of biological samples

A variety of approaches for measuring the content and speciation of Sb in environmental matrices are discussed.

Inductively coupled plasma mass spectrometry (ICPMS) has already been demonstrated as a promising technique for metallic nanoparticle tagged bioassays due to its high sensitivity, wide dynamic linear range, and more importantly multiplex and absolute quantification ability.

This 2017 review discusses developments in elemental mass spectrometry, atomic absorption, emission and fluorescence, XRF and LIBS, as applied to the analysis of specimens of clinical interest, foods and beverages. Sample preparation procedures and quality assurance are also included.

Review of recent developments in quantitative analysis and microchemical imaging of plants by LIBS and XRF.

The state-of-the-art ICP-MS based methods for trace elements and their species analysis in cells are reviewed.

Information provided by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) in the analysis of biological tissues is expanding.

This review will focus specifically on the state of the art of novel sample pretreatment methods which have been combined with ICP-MS based hyphenated techniques for elemental speciation in biological samples.

Plasma emission of biochemical elements in a serum sample.

This work evaluates the use of an internal standard for acquiring the elemental mapping of ¹⁰⁷Ag, ⁵⁵Mn and ⁶³Cu using laser ablation inductively coupled plasma mass spectrometry in the imaging mode from soybean leaves cultivated in the absence or in the presence of silver nanoparticles (40 nm average size) and also using silver nitrate for comparative purposes.

Iron as a trace element plays a role in regulating the homeostasis of the human body and therefore the concentration of iron in the body must be carefully monitored.

Elimination of arsenic species interconversion in urine via a syringe driven, inline dilution, liquid chromatography system.

The method using enzymatic tissue treatment followed by spICP-MS is efficient for determination of mass and number concentration and size distribution of AgNPs in human placental tissues.

An on-line leaching method is modified to improve reproducibility, and applied to risk assessment of wheat samples from Saudi Arabia.

The description of nanoparticle distributions in tissue and associated effects is an important goal of nanotoxicology.

The occurrence of SeNPs in commercial Se-rich yeasts was confirmed by SP-ICPMS for the first time.

A simple and rapid single-step Ca separation method implemented by using a combination of a DGA column and vacuum box.

A small (5 μl) sample volume and minimal sample preparation steps are required to accurately quantify AuNP uptake in cancer cells.

Novel analytical strategies for investigating drug ADME (absorption, distribution, metabolism and excretion).

The distribution of several nutritional and toxic elements in cocoa beans is visualized for the first time using LA-ICP-MS.

The importance of sample preparation for arsenolipid speciation is highlighted as the order of sequential extraction revealed labile non-polar arsenolipids likely due to species transformation.

The use of Au nanoparticles as a chemical modifier permits the direct Hg determination in urine and blood samples by HR CS GFAAS.

Here we apply Laser Induced Breakdown Spectroscopy (LIBS) to efficiently map the elemental change throughout the growth increments of three mollusc shells. We employ an automated LIBS setup to map the Mg/Ca composition of whole shell sections with over 2000 data points per hour.

Arsenic speciation in seafood after several culinary treatments was performed and AsB, As(III), DMA, MMA and As(V) species were determined by LC-ICP-MS/MS.

A novel X-ray collimating optic enables improved spatial resolution in confocal X-ray fluorescence imaging and X-ray absorption spectroscopy.

The use of VAMS – volumetric absorptive microsampling – of finger-prick blood was evaluated in the context of high-precision isotopic analysis of whole blood Fe by multi-collector inductively coupled plasma-mass spectrometry.

In this work, a serial sectioning approach, based on polishing an epoxy-embedded sample, is used to image trace metals in cereal grains in 3D.

In this work, the performance of a high temperature torch Integrated Sample Introduction System (hTISIS) using inductively coupled plasma mass spectrometry (ICP-MS) for the multi-element analysis of whole blood is evaluated.

A promising analytical methodology is proposed to study nanoparticle-cell interactions providing information of the number of NPs internalized by cells or externally bound to the cell surface.

LA-ICP-MS has been used for the first time to study the simultaneous elemental quantitative distribution of Ca, Fe, Cu and Zn in breast cancer samples.