2019
DOI: 10.1016/j.jfda.2019.06.001
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Simultaneous determination of cardiovascular drugs in dried blood spot by liquid chromatography-tandem mass spectrometry

Abstract: A dried blood spot (DBS) sampling method was exploited to extract cardiovascular drugs using a small volume of whole blood of human and rodent. Thereafter, an analytical method using liquid chromatography with tandem mass spectrometry (LC-MS/MS) was developed and validated for the determination of 12 cardiovascular drugs. A 6 mm internal diameter disc containing 10 μL of blood was punched from a specifically designed card and analyzed by LC-MS/MS using a gradient elution method with a total run time of 16 min.… Show more

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Cited by 32 publications
(25 citation statements)
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“…These data do not correlate quite with the work [16] where the ratio ACN:MeOH (1:2, v/v) was selected for atenolol extraction from DBS. From other hand, the difference in recovery is negligible: 1201 ± 40 (signal area) for 60% of ACN and 1112 ± 71 (signal area) for 40% of ACN.…”
Section: Resultscontrasting
confidence: 55%
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“…These data do not correlate quite with the work [16] where the ratio ACN:MeOH (1:2, v/v) was selected for atenolol extraction from DBS. From other hand, the difference in recovery is negligible: 1201 ± 40 (signal area) for 60% of ACN and 1112 ± 71 (signal area) for 40% of ACN.…”
Section: Resultscontrasting
confidence: 55%
“…Protein precipitation or liquid-liquid extraction are a two-step extraction methods where in first step the blood or plasma spot extracted into the aqueous phase and then proteins from the DBSs precipitated by acetonitrile or target substance extracted in water-immiscible organic solvent, respectively. Organic extraction is a one-step extraction method that simply adds organic solvent directly to DPS samples [16]. In this case, proteins and red blood cells remain inside the stain, and the target substance is extracted into a solvent.…”
Section: Resultsmentioning
confidence: 99%
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“…Because DBS is now being increasingly recognized as a great option to collect blood samples (Dittakavi, Jat, & Mullangi, 2019; Kim, Park, Long, Kim, & Kwon, 2019; Kumar Saini et al, 2019; Linder et al, 2019; Sulochana, Daram, Srinivas, & Mullangi, 2019), we were interested in developing and implementing a novel strategy for carrying out ISR analysis using quarter‐, half‐ and full‐DBS discs. As depicted in the Figure 1, this framework of dividing DBS cards (into two equal pieces or four equal pieces, as the case may be) would render itself as a useful approach for preparing aliquots of study samples collected on DBS cards for ISR analysis.…”
Section: Discussionmentioning
confidence: 99%
“…This method has various advantages, such as minimal invasiveness, minimal risk of infection with infectious pathogens, and ease of storage and transportation. Therefore, this method together with mass spectrometry is convenient to use for preclinical or clinical pharmacokinetic studies [12][13][14]. However, the difference in the hematocrit values in human blood can negatively affect the measured concentration of drugs.…”
Section: Introductionmentioning
confidence: 99%