Determining the Size & Chemical Composition of Tattoo Ink Nanoparticles

Postnova Analytics have published an application study detailing how the technique of Field-Flow Fractionation-ICP-MS can be used to study the size and chemical composition of tattoo ink nanoparticles. According to a recent report from the European Commission Joint Research Centre** - whilst some 12% of Europeans have tattoos, little is known about the long term effects of the chemicals in the inks. Commonly tattoo inks contain metallic impurities that can result in adverse skin reactions, including infections and allergies, right after tattooing or even years later.

Speciation Analysis Of Plasma Proteins Using Asymmetric Flow FFF-ICP-MS

Postnova Analytics reports on exciting advances in the analysis of plasma proteins using a hyphenated system that couples asymmetric flow Field-Flow Fractionation (AF4) and inductively coupled plasma-mass spectrometry (ICP-MS). In a new application study researchers show how an AF4-ICP-MS system is able to obtain valuable information on the multi-element speciation and absolute molecular mass of human plasma proteins such as Albumin and Transferrin.

The Postnova TF2000 is an advanced thermal field flow fractionation (TF3) system that provides a highly efficient method of separating and characterising complex polymer samples such as natural or synthetic rubbers, starches and paints from approximately 10 kDa up to 100 MDa and more in organic and aqueous solvents.

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