MATTEO, C., Gabriela PŘIBYL DOVRTĚLOVÁ, A. DI CLEMENTE, R. FRAPOLLI, A. PASSONI, T. CERUTI, G. MARSELLA, L. CERVO and M. ZUCCHETTI. HPLC-MS/MS measurement of lidocaine in rat skin and plasma. Application to study the release from medicated plaster. Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences. Amsterdam: Elsevier, 2020, vol. 1138, FEB 2020, p. 1-8. ISSN 1570-0232. Available from: https://dx.doi.org/10.1016/j.jchromb.2019.121942.
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Basic information
Original name HPLC-MS/MS measurement of lidocaine in rat skin and plasma. Application to study the release from medicated plaster
Authors MATTEO, C. (380 Italy), Gabriela PŘIBYL DOVRTĚLOVÁ (203 Czech Republic, guarantor, belonging to the institution), A. DI CLEMENTE (380 Italy), R. FRAPOLLI (380 Italy), A. PASSONI (380 Italy), T. CERUTI (380 Italy), G. MARSELLA (380 Italy), L. CERVO (380 Italy) and M. ZUCCHETTI (380 Italy).
Edition Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences, Amsterdam, Elsevier, 2020, 1570-0232.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10406 Analytical chemistry
Country of publisher Netherlands
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 3.205
RIV identification code RIV/00216224:14310/20:00115466
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1016/j.jchromb.2019.121942
UT WoS 000510111600002
Keywords in English Lidocaine; HPLC-MS/MS analysis; Skin; Pharmacokinetics; Medicated plaster
Tags rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Marie Šípková, DiS., učo 437722. Changed: 23/11/2020 10:32.
Abstract
A simple, sensitive HPLC-MS/MS method was developed and validated for the determination of lidocaine in skin and plasma of rats. The methods were established and validated assessing lower limit of quantitation (LLOQ), linearity, intra and inter-day precision and accuracy, selectivity, recovery and matrix effect. Chromatography was done on a Gemini column embedded with C18 stationary phase (50 mm x 2.0 mm, 5 mu m particle size), using a gradient with mobile phases consisting of 0.1% HCOOH in bidistilled water and 0.1% HCOOH in acetonitrile. The mass spectrometer worked with electrospray ionization in positive ion mode and selected reaction monitoring, using target ions m/z 235.10 for lidocaine and m/z 245.10 for lidocaine-d10, used as internal standard. Results: The linearity of the method was in the ranges of lidocaine concentrations 10.0-200.0 ng/mL for skin homogenate (accuracy 94.1-105.5%; R-2 >= 0.998) and 0.025-2 ng/mL for plasma (accuracy 96.2-104.8%; R-2 >= 0.996). The intra- and inter-day precision and accuracy determined on three quality control samples (20, 75 and 170 ng/mL for skin and 0.075, 0.4 and 1.5 ng/mL for plasma) were <= 4.2% and 103.8-108.2% for skin and <= 12.4% and 95.5-101.4% for plasma. The LLOQ was 10 ng/mL in skin homogenate and 0.025 ng/mL in plasma. The applicability of the method was demonstrated by measuring lidocaine in skin and plasma after exposure to medicated patches containing 5% lidocaine.
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