Resa Apak’s research while affiliated with Yıldız Technical University and other places

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Publications (1)

Spectrophotometric determination of hydrogen peroxide using tris(1,10-phenanthroline)iron(II)
  • Article

January 1990

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65 Reads

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20 Citations

The Analyst

Hüseyin Afsar

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Resa Apak

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Hydrogen peroxide reacts with iron(II) in acidic medium, and the unreacted iron(II) forms a stable complex with 1,10-phenanthroline that absorbs at 508 nm. This indirect spectrophotometric method, based on the absorbance reduction of tris(1,10-phenanthroline)iron(II) was utilised for the determination of hydrogen peroxide. The effective molar absorptivity for H2O2 is 2.22 × 104 l mol–1 cm–1. The proposed procedure is sensitive and has been applied to the analysis of commercial peroxide samples. Possible interferences are discussed.

Citations (1)

... The assay was used to measure the degree of lipid peroxidation in a lipid-rich substrate; MDA is a secondary product of lipid peroxidation [26]. We used the TBARS formation technique during the oxidation of linolenic acid, instead of linoleic acid, is based on the fact that MDA (TBARS) would be formed only from fatty acids comprising at least three double bonds [1]. According to the results obtained by production of substances reacting with thiobarbituric acid test, essential oil of Halopitys incurvus seaweed shows significant antioxidant activity by value of IC50 of 100±0,91μg/ml (Fig. 4). ...

Reference:

Evaluation of the Halopitys incurvus algae essential oil as a wound-healing candidate: An animal study
Spectrophotometric determination of hydrogen peroxide using tris(1,10-phenanthroline)iron(II)
  • Citing Article

  • January 1990

The Analyst

Hüseyin Afsar

·

Resa Apak

·