PA Janelia Fluor 646, SE

PA Janelia Fluor 646, SE (PA-JF646-NHS) 是一种可光活化的荧光染料，是一种用于与伯胺基团偶联的 NHS 酯。

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库存: 现货

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300ug

￥2812.00

2250.00

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Background

Photoactivatable fluorescent dye; supplied as an NHS ester for coupling to primary amine groups. Non-fluorescent until activated at 365 nm. NHS ester can be converted to relevant substrate for use in self-labeling tag systems, e.g. HaloTag? and SNAP-tag?. Suitable for single molecule tracking and super resolution microscopy in live cells, specifically live cell sptPALM and fixed cell PALM. Can be multiplexed with PA Janelia Fluor? 549, SE to perform two-colour sptPALM in live cells with activation at 405nm. Cell permeable. Excitation maximum = 649 - 651 nm; emission maximum = 663 - 665 nm. Upon protein conjugation the efficiencies of photoconversion improve substantially. Low background staining. HaloTag is a trademark of Promega Corporation, and SNAP-tag is a trademark of New England BioLabs, Inc.

Grimm et al (2016) Bright photoactivatable fluorophores for single-molecule imaging. Nat.Methods 13 985 PMID:27776112 |Li et al (2016) Real-time imaging of Huntingtin aggregates diverting target search and gene transcription. eLife 5 e17056 PMID:27484239