2results about How to "Intensity controllable" patented technology

The invention discloses a dextran-based HRP-goat anti-mouse IgG labeled antibody and a preparation method thereof, and the preparation method is characterized by comprising the following steps: S1, oxidizing dextran to obtain aldehyde group-containing dextran; s2, carrying out polymerization on the dextran containing the aldehyde group and horse radish peroxidase, so as to obtain a horse radish peroxidase polymer; s3, performing desalination and ultrafiltration on the horse radish peroxidase polymer to obtain an ultrafiltration product I; s4, connecting a goat anti-mouse IgG antibody to the ultrafiltration product I to obtain oxidized glucan coupled with goat anti-mouse IgG and HRP enzyme; and S5, purifying the oxidized dextran of the product coupled with the goat anti-mouse IgG and the HRP enzyme, so as to obtain the dextran coupled HRP-goat anti-mouse IgG labeled antibody. The dextran product obtained by the invention is wide in molecular weight coverage, different molecular weights can be selected to design polymer substances with different sizes, the number of aldehyde groups can be controlled to control coupling of different numbers of protein molecules under the same molecular weight, and the signal intensity is easy to control.

The application discloses high-strength two-component polyurethane pouring sealant and a preparation method thereof, and belongs to the field of chemical industry. The product is matched by special two components, and can realize controllable strength and hardness of the product, is suitable for a fixing scene of a cylindrical electric core, and has good bonding strength, toughness, moisture and heat resistance, flame retardance and electric insulation, and the like, and has excellent comprehensive performance.