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The NanOZ LNP Apparent pKa Assay Kit (TNS Method) provides a reliable and ready-to-use platform for determining the apparent or global pKa of formulated LNPs.
The assay employs 6-(p-toluidino)-2-naphthalenesulfonic acid sodium salt (TNS) that fluoresces when bound to positively charged membranes. It can be quantified using a fluorescence plate reader with excitation and emission wavelengths of 320 nm and 450 nm, respectively.
As TNS dissociates, its fluorescence decreases. Therefore, titrating the pH in the presence of LNPs produces a fluorescence curve, and the pH corresponding to 50% of the maximal fluorescence is defined as the apparent pKa of the nanoparticle.
Kit Contents:
Storage conditions: TNS -20°C, Buffer 4°C.
Shipping Conditions: Gel Pack.
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| Catalog number | Unit Size | Price excl tax | Quantity / Buy |
| PKA2000 |
50 μL of 5mM TNS + 2 mL of each buffer (x12)
|
$200.00
|
|
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