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A new triphenylamine-pyrenyl salicylic acid fluorophore for the detection of highly selective Cu(II) ions in an aqueous media at the picomolar level by Thanapich Santiwat; Nilubon Sornkaew; Pipattra Mayurachayakul; Kittiwat Srikittiwanna; Kornkanya Pratumyot; Mongkol Sukwattanasinitt; Nakorn Niamnont is a Chemistry article available to read on EtoBox.
What is A new triphenylamine-pyrenyl salicylic acid fluorophore for the detection of highly selective Cu(II) ions in an aqueous media at the picomolar level about?
## PET) Pyrene a b s t r a c t Cu 2 + is the third most prevalent transition metal ion in critical biological systems, although it is poisonous to humans. As a result of this, establishing a mechanism for selectively detecting the Cu 2 + ion in an aqueous medium is crucial. A new triphenylamine-pyrenyl salicylic acid probe (Compound 3) was produced utilizing the Sonograshira reaction, the Suzuki cross-coupling process combined with a hydrolysis reaction for Cu 2 + detection with a fluorescent turn-off mode. In the presence of Cu 2 + , Compound 3 operated as both a highly selective and highly sensitive fluorescent Cu 2 + sensor in a 100% aqueous medium. Consequently, the fluorescence intensity of Compound 3 showed a strong linear relationship with the Cu 2 + ion concentration in the 10 to 10 0 0 pM range. The detection limit of the approach was 5.22 pM, which was less than the maximum Cu 2 + level in drinking water, as suggested by the US Environmental Protection Agency of 19 μM. (EPA). Therefore, Compound 3 was successfully used to determine the concentration of Cu 2 + in real samples.
Who reads A new triphenylamine-pyrenyl salicylic acid fluorophore for the detection of highly selective Cu(II) ions in an aqueous media at the picomolar level?
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- Author
- Thanapich Santiwat; Nilubon Sornkaew; Pipattra Mayurachayakul; Kittiwat Srikittiwanna; Kornkanya Pratumyot; Mongkol Sukwattanasinitt; Nakorn Niamnont
- Publisher
- Elsevier BV
- Published
- 2022
- Language
- EN
- Field
- Chemistry (Physical Sciences)