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Optical comparison of two or more unknown inks with the aid of...Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) has been coupled to direct analyte-probed nanoextraction (DAPNe) through use of nanomanipulation for the analysis of ink chemistry...

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Two different buffer systems were designed to analyze dye compounds in various black ballpoint pen ink formulations.

Results were compared to thin-layer chromatography experiments to evaluate the sensitivity and performance of capillary electrophesis.

(2015) treats the problem of determining the age of ink writing using the MHS-SPME technique. An important aspect of any crime scene investigation is to detect, secure and analyze trace evidence.

Ballpoint pen inks are studied since they tend to age more slowly than... Atomic force microscopy (AFM) is a nanotechnology that can be used to generate forensic information....

An agarose gel model was used as semi-solid tissue... Identification can be difficult because many of the current techniques...

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