Whether it be for a job interview or medical diagnosis, most of us have found ourselves in the vulnerable position of peeing into a cup. And though it may feel invasive or embarrassing, urine tests are remarkably helpful to doctors, courts, and hiring managers alike.
Hydrophilic interaction liquid chromatography (HILIC) is a chromatographic mode used mainly for the separation of polar compounds that are too hydrophilic to be retained in a reversed phase column.
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