ReadiCleave™ iFluor 488 SSL-NHS ester
Ordering information
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Additional ordering information
Telephone | 1-800-990-8053 |
Fax | 1-800-609-2943 |
sales@aatbio.com | |
International | See distributors |
Bulk request | Inquire |
Custom size | Inquire |
Shipping | Standard overnight for United States, inquire for international |
Physical properties
Molecular weight | 1064.14 |
Solvent | DMSO |
Spectral properties
Correction Factor (260 nm) | 0.21 |
Correction Factor (280 nm) | 0.11 |
Extinction coefficient (cm -1 M -1) | 750001 |
Excitation (nm) | 491 |
Emission (nm) | 516 |
Quantum yield | 0.91 |
Storage, safety and handling
H-phrase | H303, H313, H333 |
Hazard symbol | XN |
Intended use | Research Use Only (RUO) |
R-phrase | R20, R21, R22 |
Storage | Freeze (< -15 °C); Minimize light exposure |
Related products
Overview | SDSProtocol |
Molecular weight 1064.14 | Correction Factor (260 nm) 0.21 | Correction Factor (280 nm) 0.11 | Extinction coefficient (cm -1 M -1) 750001 | Excitation (nm) 491 | Emission (nm) 516 | Quantum yield 0.91 |
Fluorescence-based methods have many advantages for biological detections in terms of sensitivity and convenience. Many biological molecules can be readily labeled with a fluorescent tag for fluorescence imaging and flow cytometry analysis. However, most of the existing fluorescent tags are used to permanently labeling biological targets from which the added fluorescent tags cannot be cleaved for further downstream analysis, such as mass spectral analysis or another detection mode. AAT Bioquest’s ReadiCleave™ linkers enable fluorescent tags conjugated to a biological target from which the added fluorescent tag can be removed when needed. ReadiCleave™ iFluor™ 488 SSL-NHS ester contains a S-S linker that can be cleaved with TCEP or DTT to remove the iFluor™ 488 fluorophore from the target molecule. iFluor™ 488 has almost identical spectra of Alexa Fluor 488 with high fluorescence quantum yield and improved stability compared the traditional FITC dye. The cleavage can be carried out by adding DTT or TCEP solution and incubating from room temperature to 65 °C for 1-10 min.
Calculators
Common stock solution preparation
Table 1. Volume of DMSO needed to reconstitute specific mass of ReadiCleave™ iFluor 488 SSL-NHS ester to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.
0.1 mg | 0.5 mg | 1 mg | 5 mg | 10 mg | |
1 mM | 93.973 µL | 469.863 µL | 939.726 µL | 4.699 mL | 9.397 mL |
5 mM | 18.795 µL | 93.973 µL | 187.945 µL | 939.726 µL | 1.879 mL |
10 mM | 9.397 µL | 46.986 µL | 93.973 µL | 469.863 µL | 939.726 µL |
Molarity calculator
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Spectrum
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Spectral properties
Correction Factor (260 nm) | 0.21 |
Correction Factor (280 nm) | 0.11 |
Extinction coefficient (cm -1 M -1) | 750001 |
Excitation (nm) | 491 |
Emission (nm) | 516 |
Quantum yield | 0.91 |
Product Family
Name | Excitation (nm) | Emission (nm) | Extinction coefficient (cm -1 M -1) | Quantum yield | Correction Factor (260 nm) | Correction Factor (280 nm) |
ReadiCleave™ iFluor 488 AML-NHS ester | 491 | 516 | 750001 | 0.91 | 0.21 | 0.11 |
Images
References
View all 50 references: Citation Explorer
Release Mechanisms of Amorphous Solid Dispersions: Role of Drug-Polymer Phase Separation and Morphology.
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Exclusion of Anchor-Matched Peptide Nucleic Acid from Liquid-Ordered Domains by Hybridization with Complementary Flavin-Labeled DNA.
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Detecting the orientation of newly-deposited crystalline cellulose with fluorescent CBM3.
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Dataset of high-throughput ligand screening against the RNA Packaging Signals regulating Hepatitis B Virus nucleocapsid formation.
Authors: Abulwerdi, Fardokht and Fatehi, Farzad and Manfield, Iain W and Le Grice, Stuart F J and Schneekloth, John S and Twarock, Reidun and Stockley, Peter G and Patel, Nikesh
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