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Science & Method, The chemistry behind every green glow

The perovskite reaction, fluorescence spectroscopy, how FluoroSpec was developed, and why single-sample food tests create false certainty.

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Perovskite Chemistry
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Fluorescence Spectroscopy
βš—
Trace Lead Detection
πŸ“–
Origin Story
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Single-Particle Dust
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Single-Sample Methodology
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Trace-Detection Disclosure
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What Disclosure Does
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Science & Method
CH₃NH₃PbBr₃, how MABr + Pb²⁺ produces bright green quantum-dot fluorescence.
πŸ’‘Β Β Fluorescence Spectroscopy
Why fluorescence beats colorimetric swabs. Signal-to-noise, no false positives.
βš—Β Β Trace Lead Detection
AAS, ICP-OES, ICP-MS, XRF vs. fluorescence, the methods comparison.
πŸ“–Β Β Origin Story
Eric\u2019s path, LOD collaboration, Dr. van Geen at Columbia, building FluoroSpec independently.
πŸ”¬Β Β Single-Particle Dust
Detection of lead-based paint dust at the single-particle level.
πŸ“‹Β Β Single-Sample Methodology
Why one ICP-MS result on a jar of cream cheese isn\u2019t a verdict.
βš–Β Β Trace-Detection Disclosure
FluoroSpec\u2019s public disclosure filing.
πŸ“’Β Β What Disclosure Does
Why publishing chemistry matters more than patenting it.