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Catalog Number: (89139-510)
Supplier: Biotium
Description: The principle of DPA/Tb3 for vesicle fusion assay is based on the fact that contact of the chelator dipicolinic acid (DPA) with terbium (III) forms an instant Tb3 -DPA complex that is ~10,000 times more fluorescent than free Tb3 . In the assay, separate vesicle populations are loaded with 2.5 mM TbCl3 in 50 mM sodium citrate, or 50 mM DPA in 20 mM NaCl.


Supplier: VWR International
Description: Used with ICP-MS, ICP-OES, DCP, GFAA, and AA
Catalog Number: (89139-512)
Supplier: Biotium
Description: Biotium developed SDIP/Eu3 as an alternative to DPA/Tb3 (80104), which is used for vesicle fusion assays. Similar to DPA/TB 3 assay, one population of vesicles can be loaded with the chelator SDIP while another population of vesicles can be loaded with EuCl3. Intense red fluorescence is produced when the two types of vesicles fuse as a result of formation of the SDIP/Eu3 complex.


Catalog Number: (89138-972)
Supplier: Biotium
Description: The DiO/DPA system detects cytoplasmic membrane potential changes using the principle of fluorescence resonance energy transfer (FRET), where DiO is a “stationary” FRET donor while DPA acts as a potentiometric FRET acceptor. The DiO/DPA system has been reported to produce a fluorescence signal change of >56% in HEK-293 cells and >25% in neuronal cultures and brain slices per 100 mV membrane potential change.


Catalog Number: (89139-348)
Supplier: Biotium
Description: Dipicrylamine (DPA) is a nonfluorescent anionic membrane dye. With its absorbance in the blue region of the visible spectrum, DPA can be used as a FRET quencher for a variety of fluorescent donor dyes.


Supplier: Thermo Scientific Chemicals
Description: Terbium (III) trifluoromethanesulfonate 98%
Supplier: Thermo Scientific Chemicals
Description: MDL: MFCD00049571
Supplier: Thermo Scientific Chemicals
Description: MDL: MFCD00149872
Supplier: Thermo Scientific Chemicals
Description: MDL: MFCD00049571
Supplier: Thermo Scientific Chemicals
Description: MDL: MFCD00011256
Supplier: Thermo Scientific Chemicals
Description: MDL: MFCD00149870
Supplier: SPEX CERTIPREP LLC
Description: Single-element standards for AA & ICP.

Supplier: Thermo Scientific Chemicals
Description: MDL: MFCD00011256
Catalog Number: (89161-192)
Supplier: Enzo Life Sciences
Description: MMP substrate


Supplier: Thermo Scientific Chemicals
Description: Terbium triacetate hydrate 99%
Catalog Number: (CA1.70358.0100)
Supplier: MilliporeSigma
Description: Traceable to SRM from NIST.

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