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Using the X500R QTOF System and SCIEX OS to Identify and Quantify Food Residues

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Farmers use pesticides to protect crops from insects and disease as pesticides are necessary to create the volume of food that our population requires. Without them, we would not be able to grow enough crops to feed the world—they are a necessary evil. Government agencies such the Food and Drug Administration (FDA) in the United States and pesticide manufacturers, however, work hard to educate farmers on how to minimize their use. However, sometimes farmers add too much which leaves a residue. Upon harvest, farmers wash the fruit and vegetables. Once complete the crop then makes its way to the wholesaler and eventually, the supermarket. Even so, there may still be pesticide residue on the produce, which is why government agencies randomly pull produce from store shelves for testing of maximum residual limits (MRLs) and we are encouraged to wash our food before consuming it

The World Has its Eyes on Precision Medicine

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What if we could understand and then treat diseases on an individualized level, in a way that was tuned to a person’s individual biology? Not in a futuristic, ‘wave a high-tech scanner across a person’s body’ way, but in a legitimate ’I can run a lab test and know the best action to take’ way. This is the promise of Precision Medicine, to deliver the right treatment to the right patient, at the right time, predicting more accurately which treatments will work for certain groups of patients, in contrast to the pervasive one-size-fits-all approach. More specifically, if we could provide a comprehensive report at the molecular level of an individual (based on genome, proteome, or metabolome profiles), a physician could be much better informed to make optimal treatment decisions. And if we could track these profiles over time, a person could adjust their lifestyle to focus on long-term wellness.

Setting Records with Fast Glycan Technology

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There is a lot of talk going around in the lab, and it has to do with the newly released Fast Glycan Labeling and Analysis technology. Where once research analysts needed to set aside days to perform glycan analysis, now takes an hour or so. Glycans are immediately identified by the software – so no need for data interpretation. That’s up to 5x faster than HILIC.

Nitrosamines: Where are we now?

Nitrosamines: Where are we now?

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Nitrosamines are a large group of N-nitroso compounds that share a common functional N-N=O group. They are produced by a chemical reaction between a nitrosating agent and a secondary or tertiary amine. Back in 2018, nitrosamines suddenly found themselves in the spotlight when they were unexpectedly detected in medications for high blood pressure. Since then, they have been found in several other prescription medications, including those for heartburn, acid reflux and diabetes, resulting in manufacturers recalling some common medications.

Thailand cannabis legalization

Thailand cannabis legalization

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Thailand has become the first southeast Asian country to legalize cannabis for medical use. Cannabis was originally introduced into Thailand from India, and until it was outlawed in the 1930s, it was historically used as a kitchen condiment, medicine and source of fiber.

The honey sting

The honey sting

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As a consumer it’s hard for me not to feel inundated with claims that our food is “all-natural” or “chemical-free” or that we should buy certain “superfoods” for their health benefits.  We read labels and trust that the product we are buying is what we are truly...

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