Results 31 to 40 of about 1,732,403 (348)

Design of Chitosan Sterilization Agents by a Structure Combination Strategy and Their Potential Application in Crop Protection

Molecules, 2021
Chitosan is the only cationic polysaccharide in nature. It is a type of renewable resource and is abundant. It has good biocompatibility, biodegradability and biological activity.
Weixiang Liu, Yukun Qin, Pengcheng Li
doaj   +1 more source

Tumor microenvironment penetrating chitosan nanoparticles for elimination of cancer relapse and minimal residual disease

Frontiers in Oncology, 2022
Chitosan and its derivatives are among biomaterials with numerous medical applications, especially in cancer. Chitosan is amenable to forming innumerable shapes such as micelles, niosomes, hydrogels, nanoparticles, and scaffolds, among others.
Hossein Mahmudi, Hossein Mahmudi, Mohammad Amin Adili-Aghdam, Mohammad Shahpouri, Mehdi Jaymand, Zohreh Amoozgar, Rana Jahanban-Esfahlan, Rana Jahanban-Esfahlan   +7 more
doaj   +1 more source

Novel Amino-Pyridine Functionalized Chitosan Quaternary Ammonium Derivatives: Design, Synthesis, and Antioxidant Activity

Molecules, 2017
Chemical modification of chitosan is increasingly studied for its potential of providing new applications of chitosan. Here, a group of novel chitosan quaternary ammonium derivatives containing pyridine or amino-pyridine were designed and successfully ...
Qing Li, Caili Zhang, Wenqiang Tan, Guodong Gu, Zhanyong Guo   +4 more
doaj   +1 more source

Bimetallic au/ag metal superstructures from macromolecular metal complexes in solid-state [PDF]

, 2013
Indexación: Web of Science; Scielo.Novel bimetallic Au/Ag superstructures have been prepared from solid-state pyrolysis of the macromolecular complexes Chitosan(MLn/M'Ln)n y PSP-4-PVPx( MLn/M'Ln)n with MLn = AuCl3 and M'Ln = Ag(CF3SO3)The ...
Bobadilla, Daniela, Carlos, Diaz, Valenzuela and Daniela Bobadilla, Valenzuela, María Luisa   +3 more
core   +1 more source

Molecular Weight Dependent Glucose Lowering Effect of Low Molecular Weight Chitosan Oligosaccharide (GO2KA1) on Postprandial Blood Glucose Level in SD Rats Model [PDF]

, 2013
This research investigated the effect of enzymatically digested low molecular weight (MW) chitosan oligosaccharide on type 2 diabetes prevention. Three different chitosan oligosaccharide samples with varying MW were evaluated in vitro for inhibition of ...
Apostolidis, Emmanouil, Ha, Kyoung-Soo, Jo, Sung-Hoon, Kim, Jong-Gwan, Kim, Young-Cheul, Kwon, Young-In, Moon, Kyoung-Sik, Oh, Chen-Gum   +7 more
core   +3 more sources

Potential control of forest diseases by solutions of chitosan oligomers, propolis and nanosilver [PDF]

, 2017
Producción CientíficaThere is a growing necessity to replace chemical agents with ecofriendly materials, arising from the impact on the environment and/or human health, which calls for the design of new broad-spectrum fungicides.
Díez Casero, Julio Javier, Flores Pacheco, Juan Asdrúbal, Martín García, Jorge, Martín Gil, Jesús, Martín Ramos, Pablo, Silva Castro, Iosody   +5 more
core   +1 more source

Synthesis, Characterization, and Antifungal Activity of Pyridine-Based Triple Quaternized Chitosan Derivatives

Molecules, 2018
In this study, a series of triple quaternized chitosan derivatives, including 6-O-[(2-hydroxy-3-trimethylammonium)propyl]-2-N-(1-pyridylmethyl-2-ylmethyl)-N,N-dimethyl chitosan chloride (7), 6-O-[(2-hydroxy-3-trimethylammonium)propyl]-2-N-(1 ...
Lijie Wei, Yuan Chen, Wenqiang Tan, Qing Li, Guodong Gu, Fang Dong, Zhanyong Guo   +6 more
doaj   +1 more source

Chitosan and chitosan derivatives: Recent advancements in production and applications in environmental remediation

Environmental Advances, 2023
This review, which presents recent advancements in production and applications in environmental remediation of chitosan and chitosan derivatives, covers relevant literature in the last 7–8 years, which is nearly half-term of the 15-year period where the ...
Ibrahim Issahaku, Isaac K. Tetteh, Antonia Y. Tetteh   +2 more
doaj   +1 more source

Chitin and lignin. Natural ingredients from waste materials to make innovative and healthy products for humans and plant [PDF]

, 2017
In a globalized world, plants are continually cut to obtain free land for intensive farming without remembering their important function in the planet ecosystem.
Morganti, Pierfrancesco, Stoller, Marco
core   +1 more source

N-octyl chitosan derivatives as amphiphilic carrier agents for herbicide formulations

Open Chemistry, 2019
This study investigates the potential of N-octyl chitosan derivatives, namely N-octyl-O-sulfate chitosan (NOOSC), N-octyl-N-succinyl chitosan (NONSC) and N-octyl-O-glycol chitosan (NOOGC) as amphiphilic carrier agents for atrazine in water-insoluble ...
Kamari Azlan, Yusoff Siti Najiah Mohd
doaj   +1 more source