Chitosan is polycationic in nature due to which the polymer can be attached to the negatively charged gold nanoparticle surfaces through electrostatic interactions. Using chitosan enables providing enough steric hindrance ensuring colloid stability and functionalizing nanoparticles to be used as sensors.t is either partially or fully deacetylated chitin. As chitin occurs naturally (for example in fungal cell walls and crustacean shells), chitosan is a fully biodegradable and biocompatible natural polymer, and can be used as an adhesive and as an antibacterial and antifungal agent.
Affiant. Someone who signs an affidavit and swears to its truth before a notary public or another person authorized to take oaths, such as a county clerk. Compare: declarant.
An affidavit is a document made under oath that can be used as evidence in court of the facts of the statements it contains. The person to make an affidavit is called the affiant.The affiant must sign a sworn affidavit form in front of a notary, under penalty of perjury, in order to affirm the statements made are based on personal knowledge or upon information and belief. sworn affidavit is one that's made under oath in front of a notary. The statements are made by the person called the affiant. The statements made are sworn to be true according to personal knowledge or upon information and belief of the affiant.