Novel spectrophotometric method for RAPID quantifying acetaminophen concentration in emergent situation

Jeng Fong Chiou, Shun Liang Chen, Sheng Ming Chen, Shung Sheng Tsou, Chu Yee Wu, Jan Show Chu, Tsan Zon Liu

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A novel spectrophotometric method for rapid quantification of acetaminophen in serum that is particularly suited for emergency usage is described. Free unconjugated acetaminophen is separated from other endogenous interferents by extracting the drug into ethyl acetate by simply using a vortex mixer. Subsequently, the cupric ions in the reagent are reduced by the phenolic hydroxyl groups present in the drug. The resultant cuprous ions then interacted with bicinchoninic acid (BCA) to form a chromophore which absorbs maximally at 562 nm. The proposed method has a linearity range from 50 to 400 μg/mL. The method was precise with day-to-day coefficients of variation (CVs) for two controls (44 and 195 μg/mL) of 5.0 and 4.5%, respectively. Results obtained by the proposed method correlated excellently with those determined by either an established HPLC or a Schiff's base dye formation method with correlation coefficients of 0.98 and 0.99, respectively. A group of commonly used prescription drugs or compounds of potential interferents were tested and found not to interfere. The proposed method for acetaminophen determination, which has a turnaround time of

Original languageEnglish
Pages (from-to)36-40
Number of pages5
JournalJournal of Food and Drug Analysis
Volume16
Issue number2
Publication statusPublished - Apr 2008

Fingerprint

acetaminophen
Acetaminophen
drugs
methodology
ions
mixers
Prescription Drugs
Schiff Bases
Pharmaceutical Preparations
Hydroxyl Radical
dyes
Emergencies
Coloring Agents
High Pressure Liquid Chromatography
Ions
acids
Serum

Keywords

  • Acetaminophen
  • Cuprous/bicinchoninic acid complex
  • Hepatotoxic effect
  • Overdose

ASJC Scopus subject areas

  • Food Science
  • Pharmacology

Cite this

Novel spectrophotometric method for RAPID quantifying acetaminophen concentration in emergent situation. / Chiou, Jeng Fong; Chen, Shun Liang; Chen, Sheng Ming; Tsou, Shung Sheng; Wu, Chu Yee; Chu, Jan Show; Liu, Tsan Zon.

In: Journal of Food and Drug Analysis, Vol. 16, No. 2, 04.2008, p. 36-40.

Research output: Contribution to journalArticle

Chiou, Jeng Fong ; Chen, Shun Liang ; Chen, Sheng Ming ; Tsou, Shung Sheng ; Wu, Chu Yee ; Chu, Jan Show ; Liu, Tsan Zon. / Novel spectrophotometric method for RAPID quantifying acetaminophen concentration in emergent situation. In: Journal of Food and Drug Analysis. 2008 ; Vol. 16, No. 2. pp. 36-40.
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