Chinese name: phospholipid-polyethylene glycol-fluorescein.
Product Name: dspe-peg-fitc
Alias: dspe-peg-fitc
Appearance: Light orange yellow powder or viscous liquid depending on molecular weight.
Molecular weight: 1000, 2000, 3400, 5000, 10000, 20000 (can be customized on demand).
Lipid type: 18C PE, saturated.
Commonly used solvents: water, methanol, chloroform, dmf, dmso
Uses: Only for scientific research, not for human body.
DSPE PEG fluorescein can be used not only for the preparation of liposomes, but also for fluorescent labeling and detection. FITC is widely used in immunofluorescence technology due to its high fluorescence intensity and good water solubility.
DSPE PEG fluorescein is a hydrophilic and hydrophobic phospholipid PEG conjugate, which makes it an excellent liposome-forming material. These liposomes can be used in areas such as drug delivery and genetics**. In addition, DSPE PEG fluorescein products fluoresce green when excited by UV light, which makes it easily detectable by conventional fluorescence instruments.
FITC, on the other hand, is a green fluorescein derivative, which has the characteristics of high absorbance fluorescence quantum yield and good water solubility. In biological research, FITC is often used for the fluorescent labeling of proteins. Its isothiocyanate group can react with the amino terminus or primary amine of the protein to achieve protein labeling, including antibodies and lectins. In addition, due to its high fluorescence intensity and good water solubility, FITC is also widely used in immunofluorescence techniques.
Overall, DSPE PEG fluorescein and FITC are both very important fluorescent labeling and detection tools in the biomedical field, each with its own unique characteristics and applications.