seminar or presentation report on nanotechnology
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Mohammed. A. Kapasi
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#1
21-09-2010, 11:59 PM


hey can u please provide me seminar and presentation report on nanotechnology.. it will be very helpfull... thanking you..
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seminar surveyer
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#2
23-09-2010, 09:57 AM

hi
you can read more on 'nano technology' from the below given thread.

topicideashow-to-nanotechnology-the-next-science-frontier-seminar and presentation-report
topicideashow-to-nanotechnology-download-full-seminar and presentation-report?mode=linear

Regards.
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seminar flower
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#3
13-09-2012, 05:29 PM

NANO TECHNOLOGY


.pdf   NANO TECHNOLOGY.pdf (Size: 172.87 KB / Downloads: 83)

ABSTRACT:

Nanoelectronics is potentially one of the branches of Nanotechnology with the most
significant commercial impact and covers a very wide range of interdisciplinary areas of
research and development such as telecommunications, automotive, multimedia,
consumer goods and medical systems. The emergence of new research directions such as
Hybrid molecular electronics, One dimensional structures such as nanowires, Nano–
electromechanical–systems (NEMS) or Carbon Nanotubes (CNT) will strategically
impact on future developments in the nanoelectronics domain and their long-term
applications. These opportunities for alternative nanodevices (molecularbased
technologies, nanomechanics, etc.), required by miniaturization, still required a number
of technological challenges to be tackled such as interconnections. Nanotubes,
Nanocapsules, Nanotextiles, Stretchable silicon, Nanoelectronic displays and difficult
problems in nanotechnology are discussed in this paper.

WHAT IS NANO
TECHNOLOGY?


The “nano” in nanotechnology comes from the Greek word nanos, which means dwarf.
Scientists use this prefix to indicate 10-9 or one-billionth. Thus a nanosecond is onebillionth
of one second; a nanometer is one-billionth of one meter, etc. Objects that can
be classified as having something to do with nanotechnology are larger than atoms but
much smaller than we can perceive directly with our senses. One way to look at this size
scale is that one nanometer (nm) is about 100,000 times smaller than the diameter of a
single human hair.

NANO CAPSULES

Conceptually, the ideal case for optimal activity would be to entrap the ODNs within the
internal core of polymeric nanocapsules in order to mask them and to prevent them from
any interaction with proteins. In the state of the art, all the methodologies available to
prepare nanocapsules involve the preparation of emulsions, either O/W emulsions which
lead to nanocapsules with an oily core suspended in water (Al Khouri process) or W/O
emulsions which lead to nanocapsules with an aqueous core suspended in oil (Vranckx).
Oily nanocapsules are unable to encapsulate the water soluble ODNs and aqueous
nanocapsules in an oily phase are not compatible with the conditions for i.v.
administration. This is the reason why, in this study, we have developed a new process of
preparation of aqueous nanocapsules containing ODNs which were successfully
suspended in a water medium. We have localized the ODNs in the core of these
nanocapsules which explains why this carrier is providing a high protection of ODNs
against enzymatic degradation.
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