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Manoj Mittal, S. Nath and Satya Prakash

Splat formation and degradation of hydroxyapatite during plasma spraying process

Plasma spraying is most used thermal spray process for coating of bioceramic and bioinert materials. It is line of sight technique, easy to use and inexpensive as compared to other processes used for coatings. The main disadvantage of this technique for coating hydroxyapatite (HA) is that due to high temperature of plasma (of the order of 16000°C) HA tends to degrade into amorphous calcium phosphates. These amorphous phases are not desirable and have a tendency to dissolve in body environment. In this article an attempt has been made to understand the plasma spraying process for coating of hydroxyapatite.

Open access

Munis Dundar, Satya Prakash, Ratnesh Lal and Donald K. Martin


The field of biotechnology is large and could be considered tritely as simply the development of technology that is based on biology. It is clear that the concepts of biotechnology can spread to cover many different fields of application and so the future developments in biotechnology will be similarly wide-ranging across many fields of applications. Here we focus onto medical biotechnology and further refine our discussion onto considering aspects of genetics and nanotechnologies that could impact on the development of future biotechnologies in the medical field. These areas that we consider in this brief article provide the basis for a panel discussion on Future Biotechnology at the European Biotechnology Congress held in Valencia, Spain in April 2019.