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Pack Size | Price | Availability | Quantity |
---|---|---|---|
1 mg | $428 | Backorder | |
5 mg | Inquiry | Backorder | |
10 mg | Inquiry | Backorder |
Description | bis-ANS is a high-affinity non-covalent extrinsic fluorescent dye used to analyze protein conformation.[1] Its predominant interaction with proteins is through its hydrophobic phenyl and naphthyl rings.[2] bis-ANS has an excitation maxima of 390 nm.[3] It has an emission maximum of 523 nm when free in solution but undergoes a blue shift with an increase in fluorescence intensity when bound to protein; for example, when bound to intestinal fatty acid binding protein (FAPB2) it has emission maxima of 484-496 nm. bis-ANS has been used to label mechanically damaged neurons in acute brain slices.4 It also potently inhibits microtubule assembly.[5],[6] |
Alias | 4,4'-Dianilino-1,1'-binaphthyl-5,5'-disulfonic Acid, bis-ANS (potassium salt) |
Molecular Weight | 674.87 |
Formula | C32H24K2N2O6S2 |
Cas No. | 65664-81-5 |
Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
Solubility Information | DMSO: 30 mg/mL DMF: 30 mg/mL Ethanol: Slightly Soluble |
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