logo
Products
Technologies
Applications
Services
Resources
Selection Guides
About
Cal-770™-Dextran Conjugate
MW 10,000
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. Cells may be physically loaded with the cell-impermeant salt forms of these dextran-conjugated calcium indicators using patch pipette or microinjection. The fluorescence signal from these cells is measured using fluorescence microscopy. The dextran forms of our calcium indicators show a dramatic reduction in both leakage and compartmentalization compared to the AM ester forms. Among the fluorescent red calcium indicator dextran conjugates, Cal-770 dextran conjugates might be a better choice than other red fluorescent dextrtan conjugates due to its longer fluorescence wavelength optimized for in vivo imaging. Cal-770™ is a near infrared (NIR) calcium indicator with maximum emission at ~775 nm. It is the only fluorescent calcium indicator with excitation and emission longer than 700 nm. Cal-770™ is one of the very few calcium indicators that can be potentially used for in vivo imaging since it has a NIR fluorescence.
<p>Among the fluorescent red calcium indicator dextran conjugates, Cal-770 dextran conjugates might be a better choice than other red fluorescent dextrtan conjugates due to its longer fluorescence wavelength optimized for in vivo imaging. Cal-770&trade; is a near infrared (NIR) calcium indicator with maximum emission at ~775 nm. It is the only fluorescent calcium indicator with excitation and emission longer than 700 nm. Cal-770&trade; is one of the very few calcium indicators that can be potentially used for in vivo imaging since it has a NIR fluorescence.</p>
<p>Among the fluorescent red calcium indicator dextran conjugates, Cal-770 dextran conjugates might be a better choice than other red fluorescent dextrtan conjugates due to its longer fluorescence wavelength optimized for in vivo imaging. Cal-770&trade; is a near infrared (NIR) calcium indicator with maximum emission at ~775 nm. It is the only fluorescent calcium indicator with excitation and emission longer than 700 nm. Cal-770&trade; is one of the very few calcium indicators that can be potentially used for in vivo imaging since it has a NIR fluorescence.</p>
protocol
Protocol
sds
SDS
COA
CatalogSize
Price
Quantity
204621 mg
Price
 
Physical properties
Molecular weight~12000
SolventWater
Spectral properties
Excitation (nm)758
Emission (nm)783
Storage, safety and handling
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12352200
Contact us
Telephone
Fax
Emailsales@aatbio.com
InternationalSee distributors
Bulk requestInquire
Custom sizeInquire
Technical SupportContact us
Request quotationRequest
Purchase orderSend to sales@aatbio.com
ShippingStandard overnight for United States, inquire for international
Page updated on October 12, 2025