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Monitoring stress and hormonal changes during pregnancy is essential for understanding maternal and fetal health, but traditional sampling methods can be invasive and limited in scope. A recent study ...

Sterols are lipids in our bodies that help maintain the integrity of cell membranes and are transported by lipoproteins in the bloodstream. They exist as free sterols and steryl esters (sterols combin...

Evaporation is a key step in the sample preparation workflow, either to concentrate analyte of interest or to exchange a solvent for one more compatible with the subsequent analytical technique. Sampl...

Often the question arises asking how can I extract both acids and bases with the same Supported Liquid Extraction (SLE) procedure. Is this possible? And how?

What is bead mill homogenization? Well, first we need to understand that homogenization is the process of making something uniform. So, what is bead mill homogenization? Bead mill homogenization is a ...

We know that compounds can be acidic, basic and neutral. Looking at pKas and functional groups can help us understand the best approach for SPE selection and workflow. Let’s take a look at the compoun...

We know that compounds can be acidic, basic and neutral. Looking at pKas and functional groups can help us understand the best approach for SPE selection. Let’s take a look at the compound, methylmalo...

We know that compounds can be acidic, basic, and neutral. Looking at pKa and functional groups can help us further in selecting the right SPE sorbent and better understanding how it works with our ana...

We know that compounds can be acidic, basic, and neutral. Looking at pKas and functional groups can help us understand the best approach and steps for SPE selection and workflow. Let’s look at the com...

Understanding the properties of different SPE sorbents can be confusing, refer to selecting sorbent chemistries for a refresher. But what happens at each step of these different SPE sorbents specifica...