Construction of a 19-Metal Cd(II)–Eu(III) Nanocluster for Visual and Real-Time Detection of Biopterin (a Cancer Marker) through Smartphone Scanning

Key Points

• This research aims to develop a nanocluster for the rapid and accurate detection of biopterin, a potential cancer marker.
• Constructed a 19-metal Cd(II)–Eu(III) nanocluster.
• Evaluated detection speed to be less than 5 seconds.
• Determined limits of detection between 0.11 to 0.22 nM.
• Achieved real-time detection of biopterin with limits of 0.11 to 0.22 nM.
• Demonstrated the capability of smartphone scanning for the detection process.