FITC-inulin

FITC-inulin is synthesized by reacting fluorescein isothiocyanate (FITC) with inulin from dahlia tubers. It is a yellow powder that is readily soluble in water. All the batches are checked for molecular weight, degree of substitution, loss on drying, and free dye. TdB Labs produces this product at a molecular weight of 4.5 kDa.

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Structure
An inulin fraction obtained from dahlia tubers is labeled with fluorescein. The fluorescein moiety is attached by a stable thiocarbamoyl linkage and the labeling procedure does not lead to any depolymerization of inulin. It possesses from 0.001-0.008 mol FITC per fructose unit. At these low levels of substitution, the effect of the charges is minimal.

Spectral data
It have an excitation maximum of 490 – 495 nm and an emission maximum of 520 ± 5 nm.

Storage and stability
FITC-inulin is stable for more than 6 years when stored dry in well-sealed containers at ambient temperature.

Solubility
FITC-inulin dissolves readily in water.

Application
Inulin has long been used for monitoring renal clearance. FITC-inulin offers a simple and sensitive alternative to the cumbersome chemical assays of inulin and permits real time analyses. Read more about applications here.

References

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How to order

Visit our webshop to see the molecular weights and pack sizes available. Please send an e-mail to order@tdblabs.se if you would like to receive a quote, place a bulk order or if you wish to place your order manually.