September 2018 Abstracts

The 59th John Arthur Wilson Memorial Lecture: LEATHER: An Honest Material in a Confusing and Changing Environment

by Jonathan Clark

Our industry is in desperate need of collaboration. Our industry is in desperate need of unity. Our industry is in desperate need of like-minded thinking.

As the JAW lecturer, I wanted to mention a couple things about John Arthur Wilson that are extraordinarily pertinent to where we are today. JAW was a chemist, an educator, a businessman, a researcher, an innovator, an author, a leader, and a communicator; traits that we need in the world today. The leaders in the world today have multi-discipline talents and JAW had this talent as well. He used his scientific base and his education to not only create and change our product but also became an entrepreneur to move that product forward, we really could use a gentleman like JAW sitting in this room today.

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Special Review Paper: Leather Dyeing with Biodyes from Filamentous Fungis

by Wagner Fernando Fuck, Adriano Brandelli and Mariliz Gutterres

Certain species of filamentous fungi typically produce colored substances as secondary metabolites, which can be used as dyes for industrial applications, especially for products intended to be used in direct contact with the human body such as leather goods. These natural biodyes can be an eco-friendly alternative to synthetic dyes (mainly azo dyes), since they are not originated from extractive activities of the environment and no hazardous chemicals are used while they are produced. Therefore, this biotechnological development for leather dyeing represents an important area to be explored and improved. However, this is a complex challenge due to the requirements of large-scale production with low cost and quality standardization with high stability and fastness. The aim of this study is to present a review on recent literature about improvements of leather dyeing techniques and the search of natural dyes for industrial uses emphasizing the developments related to dyes from filamentous fungi Monascus purpureus.

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