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D-Luciferin potassium salt

Cat. No. M8873
D-Luciferin potassium salt Structure
Size Price Availability Quantity
Free Sample (0.5-1 mg)  USD 0 In stock
10mg USD 45  USD45 In stock
50mg USD 85  USD85 In stock
100mg USD 140  USD140 In stock
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Quality Control & Documentation
Biological Activity

In Vitro: D-luciferin is the natural substrate of the enzyme luciferase (Luc), that catalyzes the production of the typical yellowgreen light of fireflies.

In Vivo: The total signal intensity is plotted against the time after D-luciferin injection to generate a time-intensity curve. In addition to the peak signal, the signals at fixed time points (5, 10, 15, and 20 min) after D-luciferin injection are determined as alternatives to the peak signal.

Product Citations
Chemical Information
Molecular Weight 318.41
Formula C11H7KN2O3S2
CAS Number 115144-35-9
Solubility (25°C) Water 25 mg/mL
Storage -20°C, protect from light, sealed
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Inoue Y, et al. Int J Biomed Imaging. Timing of imaging after d-luciferin injection affects the longitudinal assessment of tumor growth using in vivo bioluminescence imaging.

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