Jani Tuoriniemi

TL;DR: The detection capabilities of single particle inductively coupled plasma-mass spectrometry with respect to particle size and number concentrations are investigated and the potential of spICPMS for environmental detection of nanoparticles is demonstrated for a wastewater treatment plant effluent sample.

TL;DR: The effluent from a commercially available silver nanowashing machine was shown to have negative effects on a natural bacterial community as its abundance was clearly reduced when exposed to the nanowash water.

TL;DR: Video microscopy has been widely applied to investigate particle movement in biological samples, micro-rheology, and velocity profiles in fluids, whilst NTA was devised for determination of size distributions and concentrations in liquid samples.

TL;DR: A feasibility study of nanoparticle tracking analysis (NTA) for aquatic environmental samples is presented in this article, where the authors explore the feasibility of a novel minimum perturbation method that relates the diffusive movement of nanoparticles in a light field to their size distributions.

TL;DR: Calculations confirmed that the sensitivity is, depending on the shape of the laser beam, strongly size dependent for particles with diameters close to the visualization limit.