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.
A notary is someone with the legal power to witness signatures, verify documents, and take depositions. A notary â also known as a notary public â is a person who has been licensed by a state to perform a few legal functions. The most common one is to witness signatures. For many types of paperwork, you need a notary to be present as you sign, which makes the paperwork official. Notaries also have the power to verify various types of documents and are allowed to take depositions (statements) in some legal situations. Definitions of notary.