Phenothiazine-Based Cu(II)-Selective Fluorescent Sensor: GHK-Cu Sensing Applications.
Sahu. Rajesh R; Yadav. Saurav S; Gunturu. Krishna Chaitanya KC; Kapdi. Anant R AR
Key Findings
- A phenothiazine‑based compound selectively fluoresces in the presence of Cu II over other metal ions.
- The sensor works best in methanol (MeOH) solvent, where the Lewis acidity of Cu II enhances the signal.
- A 1:1 ratio of sensor to copper gives the strongest fluorescence response.
Practical Outcomes
- For biohackers and health‑optimizing enthusiasts, this research offers no direct guidance on using GHK‑Cu for longevity, metabolism, or performance. It is a technical method for detecting copper in laboratory settings, not a protocol or dosage recommendation for human use.
Summary
The paper describes a new fluorescent sensor that lights up when it detects copper ions (Cu II) in a lab solution. It’s a chemistry tool for measuring copper, not a study about the GHK‑Cu peptide’s effects on the body.
Abstract
Sensing important metals in different environments is an important area and involves the development of a wide variety of metal-sensing materials. The employment of fluorescent sensors in metal sensing has been one of the most widely applied methodologies, and the identification of selective metal sensors is important. We herein report a phenothiazine-based Cu(II) fluorescent sensor that is highly selective to Cu(II) ions compared with other transition metal salts. The Lewis acidity of the Cu(II) salt certainly was found to be a factor for obtaining an enhanced sensing response in MeOH as the solvent, while a ratio of 1:1 was calculated to be the most optimum for getting the desired response.
Study Information
pubmed
2023
2023-10-13T00:00:00.000Z
10.1021/acs.joc.3c01600
34