Nanobiotechnology is a new branch of
science/engineering which deals with the combination of nanotechnology and
biotechnology. There exist many biosystems in the nanoregime showing
superlative properties. The living cell consists of numerous nanomachines
carrying out various functions. DNA and proteins are examples of nanosized
biomolecules. Nanobiotechnology is an emerging interdisciplinary area normally
getting attraction from life scientists, engineers, chemists, physical
scientists and industrialists. Bio-structured molecular machines are the basic
components in this area with biomolecules as building blocks. Biological
nanodevices can be fabricated by employing either top down approach or botton
up approach. Strong covalent bonding is a feature of nanodevices fabricated via
bottom up approach. Nanodevices can be used in medical field for gene delivery,
drug delivery, diagnosis, tissue related issues and biomedical sensing.
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