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Cal-520® maleimide
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Application notes
Calcium measurement is critical for numerous biological investigations. Fluorescent probes that show spectral responses upon binding calcium have enabled researchers to investigate changes in intracellular free calcium concentrations by using fluorescence microscopy, flow cytometry, fluorescence spectroscopy and fluorescence microplate readers. Cal-520 has been proven to be the best green fluorescent calcium indicator. Conceivably this thiol-reactive Cal-520 maleimide could be coupled to an IgG or other carrier molecules to prepare a calcium-sensitive bioconjugate for monitoring calcium change spatially for a specific target.
Calculators
Common stock solution preparation
Table 1. Volume of DMSO needed to reconstitute specific mass of Cal-520® maleimide 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 | 105.622 µL | 528.111 µL | 1.056 mL | 5.281 mL | 10.562 mL |
| 5 mM | 21.124 µL | 105.622 µL | 211.245 µL | 1.056 mL | 2.112 mL |
| 10 mM | 10.562 µL | 52.811 µL | 105.622 µL | 528.111 µL | 1.056 mL |
Molarity calculator
Enter any two values (mass, volume, concentration) to calculate the third.
| Mass (Calculate) | Molecular weight | Volume (Calculate) | Concentration (Calculate) | Moles | ||||
| / | = | x | = |
Spectrum
Product family
| Name | Excitation (nm) | Emission (nm) | Quantum yield |
| Cal-520®, AM | 492 | 515 | 0.751 |
| Cal-520L™ maleimide | 492 | 515 | 0.751 |
Citations
View all 93 citations: Citation Explorer
Advances in Two-Photon Scanning and Scanless Microscopy Technologies for Functional Neural Circuit Imaging
Authors: Schultz, Simon R and Copel, undefined and , Caroline S and Foust, Am and a J , undefined and Quicke, Peter and Schuck, Renaud
Journal: Proceedings of the IEEE (2017): 139--157
Authors: Schultz, Simon R and Copel, undefined and , Caroline S and Foust, Am and a J , undefined and Quicke, Peter and Schuck, Renaud
Journal: Proceedings of the IEEE (2017): 139--157
High-Throughput Phenotyping of Human Induced Pluripotent Stem Cell-Derived Cardiomyocytes and Neurons Using Electric Field Stimulation and High-Speed Fluorescence Imaging
Authors: Daily, Neil J and Du, Zhong-Wei and Wakatsuki, Tetsuro
Journal: ASSAY and Drug Development Technologies (2017)
Authors: Daily, Neil J and Du, Zhong-Wei and Wakatsuki, Tetsuro
Journal: ASSAY and Drug Development Technologies (2017)
HTS-Compatible Voltage-and Ca 2+-Sensitive Dye Recordings from hiPSC-Derived Cardiomyocytes Using the Hamamatsu FDSS Systems
Authors: Kettenhofen, Ralf
Journal: Stem Cell-Derived Models in Toxicology (2017): 135--152
Authors: Kettenhofen, Ralf
Journal: Stem Cell-Derived Models in Toxicology (2017): 135--152
Direct measurement of TRPV4 and PIEZO1 activity reveals multiple mechanotransduction pathways in chondrocytes
Authors: Servin-Vences, M Rocio and Moroni, Mirko and Lewin, Gary R and Poole, Kate
Journal: eLife (2017): e21074
Authors: Servin-Vences, M Rocio and Moroni, Mirko and Lewin, Gary R and Poole, Kate
Journal: eLife (2017): e21074
Synergistic drug combination effectively blocks Ebola virus infection
Authors: Sun, Wei and He, Shihua and Martínez-Romero, Carles and Kouznetsova, Jennifer and Tawa, Gregory and Xu, Miao and Shinn, Paul and Fisher, Ethan G and Long, Yan and Motabar, Omid and others, undefined
Journal: Antiviral Research (2017): 165--172
Authors: Sun, Wei and He, Shihua and Martínez-Romero, Carles and Kouznetsova, Jennifer and Tawa, Gregory and Xu, Miao and Shinn, Paul and Fisher, Ethan G and Long, Yan and Motabar, Omid and others, undefined
Journal: Antiviral Research (2017): 165--172