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Riboflavin Fluorescence: Saturated crystalline solution v. Dilute crystalline solution - 405nm LED array
Shown under 4 x 1 watt focused 405nm LEDs.
Top Row: Supersaturated riboflavin solution showing crystalline 'mat'.
Bottom Row: 0.3mM (originally) riboflavin solution very lightly crystallized.
Left: No filter.
Center: Photographed using a no.29 Red Tiffen filter
Right: Photographed using a Hoya 720nm NIR filter.
Both samples were photographed/processed using identical settings.
Riboflavin Fluorescence: Saturated crystalline solution v. Dilute crystalline solution - 405nm LED array
Shown under 4 x 1 watt focused 405nm LEDs.
Top Row: Supersaturated riboflavin solution showing crystalline 'mat'.
Bottom Row: 0.3mM (originally) riboflavin solution very lightly crystallized.
Left: No filter.
Center: Photographed using a no.29 Red Tiffen filter
Right: Photographed using a Hoya 720nm NIR filter.
Both samples were photographed/processed using identical settings.