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DiI Dye

1,1-Dioctadecyl-3,3,3,3-tetramethylindocarbocyanine triflate
DiI, DiO, DiD and DiR dyes are a family of lipophilic fluorescent stains for labeling membranes and other hydrophobic structures. The fluorescence of these environment-sensitive dyes is greatly enhanced when incorporated into membranes or bound to lipophilic biomolecules such as proteins although they are weakly fluorescent in water. They have high extinction coefficients, polarity-dependent fluorescence and short excited-state lifetimes. Once applied to cells, these dyes diffuse laterally within the cellular plasma membranes, resulting in even staining of the entire cell at their optimal concentrations. The distinct fluorescence colors of DiI (orange fluorescence), DiO (green fluorescence), DiD (red fluorescence) and DiR (deep red fluorescent) provide a convenient tool for multicolor imaging and flow cytometric analysis of live cells. DiO and DiI can be used with standard FITC and TRITC filters respectively. Among them DiI and its analogs are most frequently used since they usually exhibit very low cell toxicity. In addition, DiI is widely used for determining lipoproteins such as LDL and HDL.

Calculators

Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of DiI triflate [1,1-Dioctadecyl-3,3,3,3-tetramethylindocarbocyanine triflate] to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM104.024 µL520.118 µL1.04 mL5.201 mL10.402 mL
5 mM20.805 µL104.024 µL208.047 µL1.04 mL2.08 mL
10 mM10.402 µL52.012 µL104.024 µL520.118 µL1.04 mL

Molarity calculator

Enter any two values (mass, volume, concentration) to calculate the third.

Mass (Calculate)Molecular weightVolume (Calculate)Concentration (Calculate)Moles
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Spectrum

Citations

View all 45 citations: Citation Explorer
Engineering Central Substitutions in Heptamethine Dyes for Improved Fluorophore Performance
Authors: Guo, Lei and Yang, Meek and Dong, Bin and Lewman, Seth and Van Horn, Alex and Jia, Shang
Journal: JACS Au (2024)
Extracellular vesicles from lung tissue drive bone marrow neutrophil recruitment in inflammation
Authors: Liu, Bowen and Jin, Yuan and Yang, Jingyi and Han, Yue and Shan, Hui and Qiu, Mantang and Zhao, Xuyang and Liu, Anhang and Jin, Yan and Yin, Yuxin
Journal: Journal of Extracellular Vesicles (2022): e12223
Mesenchymal stem cells increase skin graft survival time and up-regulate PD-L1 expression in splenocytes of mice
Authors: Moravej, Ali and Geramizadeh, Bita and Azarpira, Negar and Zarnani, Amir-Hasan and Yaghobi, Ramin and Kalani, Mehdi and Khosravi, Maryam and Kouhpayeh, Amin and Karimi, Mohammad-Hossein
Journal: Immunology Letters (2017)
Influence of Particle Geometry on Gastrointestinal Transit and Absorption following Oral Administration
Authors: Li, Dong and Zhuang, Jie and He, Haisheng and Jiang, Sifan and Banerjee, Amrita and Lu, Yi and Wu, Wei and Mitragotri, Samir and Gan, Li and Qi, Jianping
Journal: ACS Applied Materials & Interfaces (2017)
Novel approach for the detection of intraperitoneal micrometastasis using an ovarian cancer mouse model
Authors: Alvero, Ayesha B and Kim, Dongin and Lima, Eydis and Sumi, Natalia J and Lee, Jung Seok and Cardenas, Carlos and Pitruzzello, Mary and Silasi, Dan-Arin and Buza, Natalia and Fahmy, Tarek and others, undefined
Journal: Scientific Reports (2017)

References

View all 92 references: Citation Explorer
Confocal laser scanning microscopy using dialkylcarbocyanine dyes for cell tracing in hard and soft biomaterials
Authors: Heinrich L, Freyria AM, Melin M, Tourneur Y, Maksoud R, Bernengo JC, Hartmann DJ.
Journal: J Biomed Mater Res B Appl Biomater. (2006)
In vivo imaging and counting of rat retinal ganglion cells using a scanning laser ophthalmoscope
Authors: Higashide T, Kawaguchi I, Ohkubo S, Takeda H, Sugiyama K.
Journal: Invest Ophthalmol Vis Sci (2006): 2943
Functional neuroanatomy of the rhinophore of Aplysia punctata
Authors: Wertz A, Rossler W, Obermayer M, Bickmeyer U.
Journal: Front Zool (2006): 6
Use of lipophilic near-infrared dye in whole-body optical imaging of hematopoietic cell homing
Authors: Kalchenko V, Shivtiel S, Malina V, Lapid K, Haramati S, Lapidot T, Brill A, Harmelin A.
Journal: J Biomed Opt (2006): 50507
Nox2, Ca2+, and protein kinase C play a role in angiotensin II-induced free radical production in nucleus tractus solitarius
Authors: Wang G, Anrather J, Glass MJ, Tarsitano MJ, Zhou P, Frys KA, Pickel VM, Iadecola C.
Journal: Hypertension (2006): 482
Page updated on August 13, 2024

Ordering information

Price
FormTriflate
Iodide
Perchlorate
Triflate
Unit size
Catalog Number
221012210222103
Quantity
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Physical properties

Molecular weight

961.32

Solvent

DMSO

Spectral properties

Extinction coefficient (cm -1 M -1)

148000

Excitation (nm)

550

Emission (nm)

564

Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22

Storage

Freeze (< -15 °C); Minimize light exposure
UNSPSC12352200

CAS

41085-99-8
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