{"product_id":"neb-s9102s","title":"New England Biolabs, S9102S, SNAP-Cell® 647-SiR","description":"SNAP-Cell  \u003cb\u003eRelated Categories\u003c\/b\u003e SNAP-tag Substrates ,, Protein Labeling  \u003cb\u003eApplications\u003c\/b\u003e SNAP Cell,, In vivo, Imaging,, Pulse Chase,  \u003cb\u003eSpecification\u003c\/b\u003e \u003cb\u003eMaterials Required but not Supplied\u003c\/b\u003e Cells expressing SNAP-tag fusion proteins Tissue culture materials and media Transfection reagents Fluorescence microscope with suitable filter set DMSO Anti-SNAP-tag® Antibody (Polyclonal) (NEB #P9310) (optional) SNAP-tag® Purified Protein (NEB #P9312) (optional) SNAP-Cell® Block (NEB #S9106) (optional)  \u003cb\u003eExcitation\u003c\/b\u003e 645nm  \u003cb\u003eEmission\u003c\/b\u003e 661nm  \u003cb\u003eFAQ\u003c\/b\u003e Q: Cellular Imaging and Analysis FAQs A: View all Cellular Imaging and Analysis FAQs. Q: We have recently ordered the SNAP-Cell 647-SiR and when it was resuspended in DMSO the solution didn’t change to a blue color like SNAP-Surface 649 and SNAP-Surface Alexa Fluor 647. Is there something wrong with the substrate? A: When SNAP-Cell 647-SiR is dissolved in DMSO, it remains colorless, unlike SNAP-Surface 649 or SNAP-Surface Alexa Fluor 647 which turn a blue color upon reconstitution in DMSO. The color of the fluorescent substrate upon dissolution in DMSO is not an indicator of its performance. ","brand":"New England Biolabs","offers":[{"title":"Default Title","offer_id":46835493503145,"sku":"S9102S","price":0.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/iright.com\/products\/neb-s9102s","provider":"Iright","version":"1.0","type":"link"}