Malachite Green: Properties and Uses

Rosa M. Laursen (Editor)

Series: Chemistry Research and Applications
BISAC: SCI013040

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Volume 10

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Special issue: Resilience in breaking the cycle of children’s environmental health disparities
Edited by I Leslie Rubin, Robert J Geller, Abby Mutic, Benjamin A Gitterman, Nathan Mutic, Wayne Garfinkel, Claire D Coles, Kurt Martinuzzi, and Joav Merrick

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Malachite green is a green, crystalline, water soluble, triphenyl methylene chloride salt with several sources, including the dye industry, textile industry, medical fields and aquatic life.

Its leuco form is electrically neutral and undergoes photoionization that yields the cationic form of malachite green. This reaction provides desirable features that can be used to control the molecular properties via electrostatic interaction/repulsion.

The usage of malachite green was banned worldwide by the Food and Drug Administration in 2002, however it is still used in some places due to its low cost and the lack of suitable alternatives. As such, the removal of malachite green by using Kocuria marina DAGII cells in a fixed-bed column is discussed.

In recent years, the use of microbial biomass for the decolorization and degradation of textile industry wastewater has become a promising alternative due to its eco-friendliness and low cost, where selected bacteria, algae, yeast and fungi are used to replace existing treatment processes.
(Imprint: Nova)

Preface

Chapter 1. Malachite Green: Recent Developments
(Girvar Pilaniya, Pooja Rawat and Dipti Vaya, Department of Chemistry, Amity University, Haryana, India, and others)

Chapter 2. Photoionization of Leuco Derivatives of Malachite Green and Their Application to Photo-Tunable Molecular Systems
(Ryoko M. Uda, Department of Chemical Engineering, National Institute of Technology, Nara College, Yamato-koriyama, Nara, Japan)

Chapter 3. Fixed-Bed Column Study for Malachite Green Removal
(Daiji Brahma and Debjani Dutta, Department of Biotechnology, National Institute of Technology Durgapur, Durgapur, West Bengal, India)

Chapter 4. Microbial Degradation of Malachite Green
(Anand Barapatre and Harit Jha, Department of Education, Indira Gandhi National Tribal University, Amarkantak, Madhya-Pradesh, India, and others)

Index

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