iFluor® 750 hydrazide

AAT Bioquest's iFluor® dyes are developed for labeling proteins, particularly antibodies. These dyes are optimized to have minimal fluorescence quenching effect on proteins and nucleic acids. Our iFluor® 750 dyes have fluorescence excitation and emission maxima of ~757 nm and ~779 nm, respectively, with good photostability. Our in-house comparable studies indicated that our iFluor® 750 dyes are significantly brighter than the corresponding Cy7® and Alexa Fluor® 750. These spectral characteristics make them a superior alternative to Cy7® and Alexa Fluor® 750 (Cy7® and Alexa Fluor® are the trademarks of GE Healthcare and Invitrogen). iFluor® 780 conjugates have been widely used in fluorescence animal imaging applications. The iFluor® 750 hydrazide is reasonably stable and shows good reactivity and selectivity with the carbonyl group (such as aldehyde).

Calculators

Common stock solution preparation

Table 1. Volume of Water needed to reconstitute specific mass of iFluor® 750 hydrazide 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	87.176 µL	435.878 µL	871.756 µL	4.359 mL	8.718 mL
5 mM	17.435 µL	87.176 µL	174.351 µL	871.756 µL	1.744 mL
10 mM	8.718 µL	43.588 µL	87.176 µL	435.878 µL	871.756 µL

Molarity calculator

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Mass (Calculate)		Molecular weight		Volume (Calculate)		Concentration (Calculate)		Moles
	/		=		x		=

Spectrum

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Product family

Name	Excitation (nm)	Emission (nm)	Extinction coefficient (cm ^-1 M ^-1)	Quantum yield	Correction Factor (260 nm)	Correction Factor (280 nm)
iFluor® 350 hydrazide	345	450	20000¹	0.95¹	0.83	0.23
iFluor® 488 hydrazide	491	516	75000¹	0.9¹	0.21	0.11
iFluor® 555 hydrazide	557	570	100000¹	0.64¹	0.23	0.14
iFluor® 647 hydrazide	656	670	250000¹	0.25¹	0.03	0.03
iFluor® 680 hydrazide	684	701	220000¹	0.23¹	0.097	0.094
iFluor® 700 hydrazide	690	713	220000¹	0.23¹	0.09	0.04
iFluor® 790 hydrazide	787	812	250000¹	0.13¹	0.1	0.09
iFluor® 405 hydrazide	403	427	37000¹	0.91¹	0.48	0.77
iFluor® 750 Styramide Superior Replacement for Alexa Fluor 750 tyramide	757	779	275000¹	0.12¹	0.044	0.039

Citations

View all 4 citations: Citation Explorer

Deep Sequencing Analysis of the Eha-Regulated Transcriptome of Edwardsiella tarda Following Acidification
Authors: Gao, D and Liu, N and Li, Y and Zhang, Y and Liu, G and others, undefined
Journal: Metabolomics (Los Angel) (2017): 2153--0769

Suramin inhibits cullin-RING E3 ubiquitin ligases
Authors: Wu, Kenneth and Chong, Robert A and Yu, Qing and Bai, Jin and Spratt, Donald E and Ching, Kevin and Lee, Chan and Miao, Haibin and Tappin, Inger and Hurwitz, Jerard and others, undefined
Journal: Proceedings of the National Academy of Sciences (2016): E2011--E2018

Nanonetworks as Innovative Platforms for Therapeutic Solubilization and Delivery
Authors: Stevens, David Michael
Journal: (2014)

Glycosaminoglycan mimicry by COAM reduces melanoma growth through chemokine induction and function
Authors: Piccard, Helene and Berghmans, Nele and Korpos, Eva and Dillen, Chris and Aelst, Ilse Van and Li, S and ra , undefined and Martens, Erik and Liekens, S and ra , undefined and Noppen, Sam and Damme, Jo Van and others, undefined
Journal: International Journal of Cancer (2012): E425--E436

References

View all 49 references: Citation Explorer

Sequential ordering among multicolor fluorophores for protein labeling facility via aggregation-elimination based beta-lactam probes
Authors: Sadhu KK, Mizukami S, Watanabe S, Kikuchi K.
Journal: Mol Biosyst (2011): 1766

Visualizing dengue virus through Alexa Fluor labeling
Authors: Zhang S, Tan HC, Ooi EE.
Journal: J Vis Exp. (2011)

Fluorescent "Turn-on" system utilizing a quencher-conjugated peptide for specific protein labeling of living cells
Authors: Arai S, Yoon SI, Murata A, Takabayashi M, Wu X, Lu Y, Takeoka S, Ozaki M.
Journal: Biochem Biophys Res Commun (2011): 211

Neuroanatomical basis of clinical joint application of "Jinggu" (BL 64, a source-acupoint) and "Dazhong" (KI 4, a Luo-acupoint) in the rat: a double-labeling study of cholera toxin subunit B conjugated with Alexa Fluor 488 and 594
Authors: Cui JJ, Zhu XL, Ji CF, Jing XH, Bai WZ.
Journal: Zhen Ci Yan Jiu (2011): 262

Simultaneous detection of virulence factors from a colony in diarrheagenic Escherichia coli by a multiplex PCR assay with Alexa Fluor-labeled primers
Authors: Kuwayama M, Shigemoto N, Oohara S, Tanizawa Y, Yamada H, Takeda Y, Matsuo T, Fukuda S.
Journal: J Microbiol Methods (2011): 119

Page updated on December 17, 2024

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Catalog Number	1088
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Physical properties

Molecular weight	1147.11
Solvent	Water

Spectral properties

Correction Factor (260 nm)	0.044
Correction Factor (280 nm)	0.039
Correction Factor (565 nm)	0.0250
Correction Factor (650 nm)	0.1413
Extinction coefficient (cm ^-1 M ^-1)	275000¹
Excitation (nm)	757
Emission (nm)	779
Quantum yield	0.12¹

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
UNSPSC	12171501