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Valker Feitosa

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Articles

Exploring the Thermal-Oxidative Stability of Azithromycin Using a Thermoactivated Sensor Based on Cerium Molybdate and Multi-Walled Carbon Nanotubes

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By Andre Santos, André Santos, Yago N. Teixeira, Valker Feitosa, Simone Morais
| MDPI
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
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Endochitinase and Chitobiosidase Production by Marine Aeromonas caviae CHZ306: Establishment of Nitrogen Supplementation

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By Valker Feitosa, Omar Pillaca-Pullo, Adalberto Pessoa, Flavio Cardozo
| MDPI
1. Introduction Chitin, the second most abundant natural polymer, is a nitrogen-containing polysaccharide composed of a β-(1,4)-linked N -acetyl-D-glucosamine (GlcNac) [ 1 , 2 ]. Chitin is widely distributed as a structural component of crustaceans, insects, and other arthropods and as a component of most fungi and some algae cell walls.
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Effects of Oxygen Transference on Protease Production by Rhodotorula mucilaginosa CBMAI 1528 in a Stirred Tank Bioreactor

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By Suellen Machado, Valker Feitosa, Omar Pillaca-Pullo, Luciana Lario
| MDPI
This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
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