Isotherm models for adsorption of heavy metals from water - A review.

Schiff bases (SBs) have extensive applications in different fields such as analytical, inorganic and organic chemistry. They are used as dyes, catalysts, polymer stabilizers, luminescence chemosensors, catalyzers in the fixation of CO2 biolubricant additives and have been suggested for solar energy applications as well. Further, a wide range of pharmacological and biological applications, such as antimalarial, antiproliferative, analgesic, anti-inflammatory, antiviral, antipyretic, antibacterial and antifungal uses, emphasize the need for SB synthesis. Several SBs conjugated with chitosan have been studied in order to enhance the antibacterial activity of chitosan. Moreover, the use of the nanoparticles of SBs may improve their antimicrobial effects. Herein, we provide an analytical overview of the antibacterial and antifungal properties of SBs and chitosan-based SBs as well as SBs-functionalized nanoparticles. The most relevant and recent literature was reviewed for this purpose.

/pdf/a-review-on-the-antimicrobial-activity-of-schiff-bases-data-1de4zmd9.pdf

A Review on the Antimicrobial Activity of Schiff Bases: Data Collection and Recent Studies

Applications of chitin and chitosan based biomaterials for the adsorptive removal of textile dyes from water - A comprehensive review.

Investigation of mechanism of heavy metals (Cr6+, Pb2+&amp; Zn2+) adsorption from aqueous medium using rice husk ash: Kinetic and thermodynamic approach

Despite the advantages presented by synthetic polymers such as strength and durability, the lack of biodegradability associated with the persistence in the environment for a long time turned the attention of researchers to natural polymers. Being biodegradable, biopolymers proved to be extremely beneficial to the environment. At present, they represent an important class of materials with applications in all economic sectors, but also in medicine. They find applications as absorbers, cosmetics, controlled drug delivery, tissue engineering, etc. Chitosan is one of the natural polymers which raised a strong interest for researchers due to some exceptional properties such as biodegradability, biocompatibility, nontoxicity, non-antigenicity, low-cost and numerous pharmacological properties as antimicrobial, antitumor, antioxidant, antidiabetic, immunoenhancing. In addition to this, the free amino and hydroxyl groups make it susceptible to a series of structural modulations, obtaining some derivatives with different biomedical applications. This review approaches the physico-chemical and pharmacological properties of chitosan and its derivatives, focusing on the antimicrobial potential including mechanism of action, factors that influence the antimicrobial activity and the activity against resistant strains, topics of great interest in the context of the concern raised by the available therapeutic options for infections, especially with resistant strains.

https://www.mdpi.com/1420-3049/26/12/3694/pdf

Preparation and Antimicrobial Activity of Chitosan and Its Derivatives: A Concise Review

Research progress of adsorption and removal of heavy metals by chitosan and its derivatives: A review.

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Research progress of adsorption and removal of heavy metals by chitosan and its derivatives: A review.