Breath analysis and cancer

As you know I LOVE Mass Spectrometry. In previous posts I told you what mass spectrometry is, how I use it to analyze coffee and how it was used in breath analysis to follow the menstrual cycle. Today, I want to explain how mass spectrometry, in particular PTR-MS, was used in cancer research. Scientists canContinue reading “Breath analysis and cancer”

Food and spirituality

Today Catholics celebrate Easter. In Italy (and in most countries) we are celebrating it in quarantine, respecting social distancing. While I was looking for papers for my PhD dissertation, I found an interesting article, which explores the relationship between food and spirituality. Spirituality and food share the fact that they are not only about theories,Continue reading “Food and spirituality”

What is mass spectrometry?

Previously I wrote about some applications of mass spectrometry and in particular of proton transfer reaction – mass spectrometry (PTR-MS). You can read old articles here (1, 2, 3, 4). Today I want to explain in details how PTR-MS works. PTR-MS is called a “non-targeted approach”. Non-targeted approaches are used to investigate samples when markerContinue reading “What is mass spectrometry?”