Molecular nanotechnologies of gelatin-immobilization using macrocyclic metal chelates

Abstract

This article is a review of recent developments in the self-assembled nanostructures based on chelate coordination compounds. Molecular nanotechnologies of self-assembly of 3d-element aza- and thiazametalmacrocyclic complexes that happen in nanoreactors on the basis of metal hexacyanoferrate(II) gelatin-immobilized matrix under their contact with water solutions containing various (N,O,S)-donor atomic ligands and organic compounds having one or two carbonyl groups have been considered in this review. It has been noted that the assortment of macrocyclic metal chelates obtained as a result of using molecular nanotechnologies in such specific conditions considerably differs from the assortment of metal chelates formed at the conditions traditional for chemical synthesis.

Porous and chelated nanostructured multifunctional materials: recoverable and reusable sorbents for extraction of metal ions and catalysts for diverse organic reactions

“…In recent years, nanotechnology has emerged as one of the most key technologies in the field of metal extraction, catalysis, pharmacy, biotechnology, electronics, etc. [10][11][12]. The fabrication of nanostructured chelated sorbents, particularly for metal ion extraction, is emerging as an important field of analytical chemistry due to their unique properties [13].…”

Sol-gel zirconia-based nanopowders with potential applications for sensors

“…Being obtained from the natural fibrillary fiber of the protein collagen, gelatin could be a serious candidate among these naturally occurring reagents. It is a polydispersed mixture of lowmolecular peptides composed of 18 natural amino acids, having a molecular mass of 50000-70000 [19]. The molecules of this highmolecular compound consist of three polypeptide α-chains with identical molecular weights.…”

“…The molecules of this highmolecular compound consist of three polypeptide α-chains with identical molecular weights. Mikhailov [19] proposes the lefthanded spiral structure for each α-chain. According to Othmer [20] the left handed helical conformation of the proteins, as well as the extensive number of double bonded oxygen atoms and nitrogen can facilitate the complexation and stabilization of inorganic compounds.…”

“…According to Othmer [20] the left handed helical conformation of the proteins, as well as the extensive number of double bonded oxygen atoms and nitrogen can facilitate the complexation and stabilization of inorganic compounds. In this regard, gelatin made the object of study for some very recent researches related to the preparation of nanoparticles [19,[21][22][23][24].…”

“…Mikhailov [19], for example, has created bio polymeric systems using gelatin as polymeric binding agent (in gelatin-immobilized matrices) in order to apply them in the process of self-assembly for the synthesis of macro cyclic compounds or formation of nanoparticles. Gelatin was also used as a size-limiting polymerization agent in the synthesis of different oxides.…”