Ved Mantra No. 2198
mentioned in Atharv Ved Mantra no. 2198 the offerings made in fire (havi
/ ahuti) does not get destroyed. What happens is that it gets converted
Nanotechnology may be the next big thing in science. Currently the knowledge
of what nanotechnology is and how it works tends to be limited. Essentially
this field studies materials at their most basic level; it breaks substances
down into particles and then either uses their natural properties or
manipulates them in order to achieve desired effects.
any discussion of nanotechnology its processes, its applications, its
impacts must of necessity revolve around one of the tiniest things in
the world known as the nanoparticle.
nanoparticle is defined as the smallest unit that can still behave as
a whole entity in terms of properties and transport.
are particles between 1 and 100 nanometers in size. In nanotechnology,
a particle is defined as a small object that behaves as a whole unit
with respect to its transport and properties. Particles are further
classified according to diameter. Ultrafine particles are the same as
nanoparticles and between 1 and 100 nanometers in size. Coarse particles
cover a range between 2,500 and 10,000 nanometers. Fine particles are
sized between 100 and 2,500 nanometers.
(a, b, and c) images of prepared mesoporous silica nanoparticles
with mean outer diameter: (a) 20nm, (b) 45nm, and (c) 80nm. SEM
(d) image corresponding to (b). The insets are a high magnification
of mesoporous silica particle