K. Stypulkowska scite author profile

A new, simple and repeatable liquid chromatography method with charged aerosol detection (LC-CAD) for the determination of gentamicin sulphate composition and related substances has been developed. Gentamicin lacks of chromophores, therefore its determination is quite problematic. Using a universal CAD enables to achieve good separation without sample derivatization. Mass spectrometry was employed to confirm the LC-CAD peak profile. The proposed method was validated and applied for the determination of gentamicin sulphate composition and related substances in pharmaceutical preparations.

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Identification and structural characterization of four novel synthetic cathinones: α-methylaminohexanophenone (hexedrone, HEX), 4-bromoethcathinone (4-BEC), 4-chloro-α-pyrrolidinopropiophenone (4-Cl-PPP), and 4-bromo-α-pyrrolidinopentiophenone (4-Br-PVP) after their seizures

Błażewicz

Bednarek

Sitkowski

et al. 2017

Forensic Toxicol

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Determination of neomycin and related substances in pharmaceutical preparations by reversed-phase high performance liquid chromatography with mass spectrometry and charged aerosol detection

Stypulkowska

Błażewicz

Fijałek

et al. 2013

Journal of Pharmaceutical and Biomedical Analysis

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Strategy for identification of new psychoactive substances in illicit samples using attenuated total reflectance infrared spectroscopy

Pioruńska-Sędłak

Stypulkowska

2020

Forensic Science International

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X-ray powder diffractometry and liquid chromatography studies of sibutramine and its analogues content in herbal dietary supplements

Stypulkowska

Błażewicz

Maurin

et al. 2011

Journal of Pharmaceutical and Biomedical Analysis

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K. Stypulkowska

Determination of Gentamicin Sulphate Composition and Related Substances in Pharmaceutical Preparations by LC with Charged Aerosol Detection

Identification and structural characterization of four novel synthetic cathinones: α-methylaminohexanophenone (hexedrone, HEX), 4-bromoethcathinone (4-BEC), 4-chloro-α-pyrrolidinopropiophenone (4-Cl-PPP), and 4-bromo-α-pyrrolidinopentiophenone (4-Br-PVP) after their seizures

Determination of neomycin and related substances in pharmaceutical preparations by reversed-phase high performance liquid chromatography with mass spectrometry and charged aerosol detection

Strategy for identification of new psychoactive substances in illicit samples using attenuated total reflectance infrared spectroscopy

X-ray powder diffractometry and liquid chromatography studies of sibutramine and its analogues content in herbal dietary supplements

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