기술
HPLC: suitable
검사 파라미터
column: Ascentis Express F5, 10 cm x 2.1 mm I.D., 2.7 μm particles (53569-U)
mobile phase: 2 mM ammonium formate (90:10 acetonitrile:water) adjusted to pH 4.5 with formic acid
flow rate: 0.4 mL/min
column temp.: 35 °C
detector: ESI(+), TIC 100 – 1000 m/z; APCI (+), XIC m/z = 150.1, 203.7, 378.2
injection: 1 μL
sample: 10 μg/mL in 75:25 acetonitrile:water
적합성
application for HPLC
응용 분야
forensics and toxicology
분석 메모
Dermorphin is a heptapeptide derived from frogs. It is a painkiller and used illicitly in racehorses so they continue to run through the pain. A rapid analysis of dermorphin standard is shown here on an Ascentis Express F5 column. The HILIC mode separation provided the necessary retention and MS-compatibility, while the pentafluorophenyl (F5) phase chemistry elimated the chelating interactions that are problematic on bare silica.
법적 정보
Ascentis is a registered trademark of Merck KGaA, Darmstadt, Germany
분석물
설명
Dermorphin trifluoroacetate salt, ≥98% (HPLC)
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