The stability of this material is solution has not been determined. However, aqueous solutions of 25 mg/mL or more of FITC-Dextran are expected to be stable for 1-2 weeks when stored refrigerated at 2-8°C and protected from light. For long-term storage, aliquot and store stock solutions at ?20°C, protected from light.
46945
Fluorescein isothiocyanate–dextran
average mol wt 70,000, (FITC:Glucose = 1:250)
Synonym(s):
FITC-Dextran 70, FITC–Dextran
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About This Item
Pricing and availability is not currently available.
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biological source
synthetic
conjugate
FITC conjugate
form
powder
mol wt
average mol wt 70,000
composition
(FITC:Glucose = 1:250)
extent of labeling
~0.004 mol/mol FITC glucose
solubility
H2O: 50 mg/mL, hazy, orange to very deep orange
fluorescence
λex 492 nm; λem 518 nm in ethanol
application(s)
cell analysis
storage temp.
2-8°C
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Application
Dextran labeled with fluorescein isothiocyanate for possible use in perfusion studies in animals.
Fluorescein isothiocyanate–dextran (FITC-Dextran 70) is use as a fluorescent probe to study cell processes such as cell permeability, phagocytosis and endocytosis and to study mechanisms of biomolecular delivery. FITC-Dextran 70 may be used to study the capacity, selectivity and efficiency of encapsulation and release by drug delivery vehicles.
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Description
Pricing
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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After reconstituting in water, what are the storage conditions?
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Is this product fixable?
1 answer-
Yes, paraformaldehyde can be used to fix cells. In normal circumstances, formaldehyde is a cross-linking fixative that is used to fix protein and DNA.
Looking at formaldehyde fixation, the following are applicable:
Formaldehyde cross-links with the amino group of the N-terminal amino acid residue and the side chains of 12:
Arginine
Cysteine
Histidine
Lysine
Depending on the peptide sequence, methylol groups, Schiff-bases, and methylene bridges were formPlease note that although the term paraformaldehyde is used, paraformaldehyde exists only as a solid. Once the bonds of the polymer are broken, solutions contain only formaldehyde. Any paraformaldehyde in the solution would simply be an undissolved precipitate at the bottom of the solution.
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