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Section 1: Aminosilylate the Glass Surface
1. Thoroughly wash and dry the glass, silica or quartz surface to be coated.
Note: Perform Steps 2 and 3 in a fume hood.
2. Prepare a 2% solution of the Aminosilane Reagent (3-Aminopropyltriethoxysilane) in acetone. For example, mix 1 part
Aminosilane Reagent with 49 parts dry (i.e., water-free) acetone. Prepare a volume sufficient to immerse or cover the
surface material.
3. Immerse surface in the diluted reagent for 30 seconds.
4. Rinse surface with dry acetone.
5. Allow surface to air-dry.
Note: The dried silylated surface may be stored for later use.
Section 2: Maleimide-Activate the Amino-Modified Surface
1. Add 2 mg Crosslinker (Sulfo-SMCC) to 1 ml Coupling Buffer. This solution may be scaled as needed, and must be used
immediately to avoid hydrolysis.
2. Cover silylated surface with the Crosslinker solution.
3. Incubate for 1 hour at room temperature (RT).
4. Rinse the modified surface with Coupling Buffer.
Note: The maleimide-activated surface may be dried and stored desiccated at 4¡ãC for later use.
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