Within this paper a sub-group of ambient ionization mass spectrometry namely direct
ionization mass spectrometry techniques are reviewed. They are characterized by the …

Polygonum multiflorum Thunb. and its processed products have been used in China for
centuries due to their multiple beneficial effects to human body. Currently, liver injuries …

Rapid and sensitive detection of metabolites and chemical residues in human tears is highly
beneficial for understanding eye health. In this study, Schirmer paper was used for …

Chemical fingerprinting methodology is an approach for quality assessment and control of
herbal medicines and related products based on the holistic chemical profile obtained by …

Paper spray MS is part of a cohort of ambient ionization or direct analysis methods that seek
to analyze complex samples without prior sample preparation. Extraction and electrospray …

Electrospray ionization (ESI) is a powerful ionization technique in mass spectrometry (MS).
There has been an increasing interest for the new development of ESI technique to extend …

Mass spectrometry (MS) is a formidable analytical tool for the analysis of non-polar to polar
compounds individually and/or from mixtures, providing information on the molecular …

Electrospray ionization mass spectrometry (ESI-MS) is a commonly used technique for
analysis of various samples. Solid phase microextraction (SPME) is a simple and efficient …

Replacement of capillary with solid substrates for sample loading and ionization has created
many new possibilities for electrospray ionization mass spectrometry (ESI-MS). Surface …

This Review provides a general understanding of paper spray-MS, including the
methodology and theory associated with a number of different related applications. This …