Tetramethylrhodamine Hyaluronic Acid
by TdB Labs
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Hyaluronic acid (HA) can be obtained from various sources, for example rooster combs or Streptococcus equi. We can supply derivatives of either of these qualities labelled with or with tetramethylrhodamine (T-Ha). All batches are checked for molecular weight, degree of substitution, loss on drying and free TRITC. TdB Labs can produce T-Ha with a molecular weight of approximately 1.5 MDa. T-Ha is supplied as a pink powder.
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Hyaluronic acid is a polysaccharide composed of alternating β(1-3) glucuronide and β(1-4) glucosaminide units derived from Streptococcus equi. The hyaluronic acid is labelled with amino-tetramethylrhodamine. The degree of substitution lies between 0.001 and 0.008. The labelling procedures do not lead to depolymerisation of the HA.
T-HA has an excitation maximum at 552 nm and an emission maximum at 576 nm.
Storage and stability
T-HA is stable for more than 6 years when stored dry in well-sealed containers.
T-HA dissolves readily in water.
T-HA has been used to e.g. investigate invasive growth into brain tissue.
If you need larger quantities please contact us for a bulk quotation.