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Helix Fluor™ 6-JOE Phosphoramidite
There are several ways of labeling an oligonucleotide with fluorescein. The choice of label is diversified further, depending on the spectral requirements. 5'-fluorescein-CE phosphoramidite, derived from the single isomer 6-FAM, 6-HEX, 6-TET and 6-JOE, can all be used to efficiently label an oligonucleotide at the 5'-end. Labeling the 3'-end of an oligo with fluorescein can be achieved using 3'-Fluorescein CPGs. Standard cleavage and deprotection with ammonium hydroxide liberates the fluorescein-labeled oligo when using any of these supports. Although 6-FAM, 6-HEX and 6-TET phosphoramidites have been effectively used for labeling oligos, there is no 6-JOE phosphoramidite available for preparing JOE-labeled oligos. AAT Bioquest offers Helix Fluor™ 6-JOE Phosphoramidite to facilitate the labeling of oligos with JOE. Helix Fluor™ 6-JOE Phosphoramidite can be conveniently used to prepare the oligos that have essentially identical spectral and biological properties to the ones that are derived from 6-JOE, SE.
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Common stock solution preparation
Table 1. Volume of MeCN needed to reconstitute specific mass of Helix Fluor™ 6-JOE Phosphoramidite 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 | 99.117 µL | 495.584 µL | 991.169 µL | 4.956 mL | 9.912 mL |
| 5 mM | 19.823 µL | 99.117 µL | 198.234 µL | 991.169 µL | 1.982 mL |
| 10 mM | 9.912 µL | 49.558 µL | 99.117 µL | 495.584 µL | 991.169 µL |
Molarity calculator
Enter any two values (mass, volume, concentration) to calculate the third.
| Mass (Calculate) | Molecular weight | Volume (Calculate) | Concentration (Calculate) | Moles | ||||
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Spectrum
References
View all 13 references: Citation Explorer
Sequence-specific, self-reporting hairpin inversion probes
Authors: Browne KA., undefined
Journal: J Am Chem Soc (2005): 1989
Authors: Browne KA., undefined
Journal: J Am Chem Soc (2005): 1989
Modified oligonucleotides containing lithocholic acid in their backbones: their enhanced cellular uptake and their mimicking of hairpin structures
Authors: Kim SJ, Bang EK, Kwon HJ, Shim JS, Kim BH.
Journal: Chembiochem (2004): 1517
Authors: Kim SJ, Bang EK, Kwon HJ, Shim JS, Kim BH.
Journal: Chembiochem (2004): 1517
Synthesis of HyBeacons and dual-labelled probes containing 2'-fluorescent groups for use in genetic analysis
Authors: Dobson N, McDowell DG, French DJ, Brown LJ, Mellor JM, Brown T.
Journal: Chem Commun (Camb) (2003): 1234
Authors: Dobson N, McDowell DG, French DJ, Brown LJ, Mellor JM, Brown T.
Journal: Chem Commun (Camb) (2003): 1234
Reduced aggregation and improved specificity of G-rich oligodeoxyribonucleotides containing pyrazolo[3,4-d]pyrimidine guanine bases
Authors: Kutyavin IV, Lokhov SG, Afonina IA, Dempcy R, Gall AA, Gorn VV, Lukhtanov E, Metcalf M, Mills A, Reed MW, S and ers S, Shishkina I, Vermeulen NM.
Journal: Nucleic Acids Res (2002): 4952
Authors: Kutyavin IV, Lokhov SG, Afonina IA, Dempcy R, Gall AA, Gorn VV, Lukhtanov E, Metcalf M, Mills A, Reed MW, S and ers S, Shishkina I, Vermeulen NM.
Journal: Nucleic Acids Res (2002): 4952
Diels--Alder bioconjugation of diene-modified oligonucleotides
Authors: Hill KW, Taunton-Rigby J, Carter JD, Kropp E, Vagle K, Pieken W, McGee DP, Husar GM, Leuck M, Anziano DJ, Sebesta DP.
Journal: J Org Chem (2001): 5352
Authors: Hill KW, Taunton-Rigby J, Carter JD, Kropp E, Vagle K, Pieken W, McGee DP, Husar GM, Leuck M, Anziano DJ, Sebesta DP.
Journal: J Org Chem (2001): 5352
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