Separation type: Bridge Ion Separation Technology, or BIST™ | ||||||||||||||
BIST™ Ionic Modifier Preparation | ||||||||||||||
High Performance Liquid Chromatography (HPLC) Method for Analysis of Phenylephrine, Epinephrine, Norepinephrine
Epinephrine and norepinephrine are key neurotransmitters and adrenal hormones naturally produced by the body to generate the fight-or-flight response, and synthesized by pharmaceutical companies to treat a host of issues, such as allergic reactions and low blood pressure. Phenylephrine is a related, synthetic compound made to treat low blood pressure, congestion, and hemorrhoids. Using SIELC’s newly introduced BIST™ method, these three similar neurotransmitters, which protonate in water, can be retained on a positively-charged anion-exchange BIST™ B+ column. There are two keys to this retention method: 1) a multi-charged, negative buffer, such as Sulfuric acid (H2SO4), which acts as a bridge, linking the positively-charged amine analytes to the positively-charged column surface and 2) a mobile phase consisting mostly of organic solvent to minimize the formation of a solvation layer around the charged analytes. Using this new and unique analysis method, Epinephrine, norepinephrine, and phenylephrine can be retained and UV detected at 200 nm.
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Application Column
BIST B+
BIST™ columns offer a unique and effective way to achieve separations that were traditionally challenging or even impossible with other HPLC columns. With the use of a special mobile phase, these ion exchange columns provide very strong retention for analytes with the same charge polarity as the stationary phase, unlocking new chromatography applications. What makes BIST™ columns stand out is their proprietary surface chemistry, which results in superior selectivity, resolution, and sensitivity. These columns offer a simple, efficient solution for a variety of analytical challenges, making them an excellent choice for researchers and analysts across many different fields. To learn more about the technology that powers BIST™ columns and to explore related applications, check out https://BIST.LC.
Select optionsNorphenylephrine
Phenylephrine
Phenylephrine hydrochloride