A pdf file about the topic in science, technology and society that talks about nano world. This informative material is a helped to students in understanding the importance of nanotechnology and its effects to human life. Nano technology refers to the science, engineering and technology conducted at the nanoscale. nanoscience and nano technology employs the study and application of small things in areas of science

2. At the end of this lesson, the students

3. should be able to:
define nanotechnology
characterize nanoscale
describe the various uses of nanotechnology
discuss concerns on the use of nanotechnology

4. Nanotechnology
-refers to the science and technology

5. conducted at the nanoscale, which is about 1 to 100
nanometers (NNI, 2017)
-Nanoscience and nanotechnology employs the study
and application of exceptionally small things in other
areas of science
RICHARD FEYMAN (1959)
-DISCUSS Nanoscience and
nanotechnology employs the
study and application of

6. exceptionally small things in
other areas of science
HOW TO VIEW
NANOMATERIALS
Electron microscope

7. -German engineers Ernst Ruska and Max
Knoll built the first electron microscope
during 1930
Electron
microscope
transmission electron
microscope (TEM)
scanning electron
microscope (SEM)

8. HOW TO VIEW
NANOMATERIALS
Atomic force microscope

9. (AFM)
-DEVELOPED BY GERD BINIG, CALVIN QUATE,
AND CRISTOPH GERBER IN 1986
-IT MAKES USE OF MECHANICAL PROBE THAT
GATHERS INFORMATION FROM THE SURFACE
OF A MATERIAL
Atomic force
microscope

10. HOW TO VIEW
NANOMATERIALS

11. Scanning tunneling
microscope
-Gerd binig and heinrich rohrer won nobel prize in physics
because of this
-it enables scientist to view and manipulate nanoparticles:
atoms, and small molecules
Scanning tunneling
microscope

12. Size of the Nanoscale

13. Just how small is “nano?” In the International System of Units, the
prefix "nano" means one-billionth; therefore one nanometer is
one-billionth of a meter.

14. Nanotechnology involves operating
at a very small dimension and it
allows scientists to make use of the
exceptional optical, chemical,
physical, mechanical, and biological
qualities of materials of that small
scale (NNI, 2017).

15. 1. Scale at which biology occurs.
2 .Scale at which quantum effects dominate
properties of materials.
3. Nanoscale materials have far larger surface
areas than similar masses of larger-scale materials.

16. 1. Scale at
which
biology
occurs.

18. 2. Scale at
which quantum
effects dominate
properties of
materials
3. . Nanoscale materials have
far
larger surface areas than similar
masses of larger-scale
materials.

21. Dayrit, 2005
1. U.S. National Technology Initiative
National Nanotechnology Initiative of the United States
2. European Commission
European Nanoelecteonics Initiative Advisory Council
3. Japan
Nanotechnology Research Institute, under the National Institute for
Advanced Industrial Science and Technology
4. Taiwan
Taiwan National Science and Technology Program for Nanoscience and
Nanotechnology
5. India
Nanotechnology Research and Education Foundation

22. 6. China
National Center for Nanoscience and Technology
7. Israel
Israel National Nanotechnology Initiative
8. Australia
Australian Office of Nanotechnology
9. Canada
National Institute for Nanotechnology
10. South Korea
Korea National Nanotechnology Initiative
11. Thailand
National Technology Center
12. Malaysia
National [Malaysia] Nanotechnology Initiatives

23. "Hence, we need to push for more programs for
its development. This scholarship program for
the Doctor of Philosophy degree in Material
Science with specialization in Nanotechnology
is yet another milestone that we can

24. include in our growing nanotech portfolio.
This is also the first 'PhD by
Research'program supported by the DOST,"
the DOST chief continued.
Possible Applications of
Nanotechnology in the
Philippines
Nanotech Roadmap for the
Philippines (funded by
PCAS-TRD-DOST)
1. 2.
3. 4.
5.
ICT and
semiconductors
Health and
Medicine
Energy
Food and
Agriculture
Environment
1. 2. 3. 4. 5. 6. 7.
8.
ICT and
semiconductors
Health and
biomedical

25. Energy
Environment
Agriculture and
food
Health and
environmental risk
Nano-metrology
Education and
public awareness
Benefits and Concerns of Using Nanotechnology
Nanotechnology has various applications in different sectors of the
society and environment. Salamanca-Buentello et al. (2005) proposed
an initiative called "Addressing Global Challenges Using
Nanotechnology" to accelerate the use of nanotechnology to address
critical sustainable development challenges.
They suggested a model that could help figure out the possible
contributions of the community in overcoming global challenges that

26. pose risk on health and other aspects of peoples' lives.
Benefits and Concerns of Using Nanotechnology
However, there are concerns that need to be addressed before
using and promoting materials derived from nanotechnology (Dayrit,
2005).
Nanotechnology is not a single technology; it may become pervasive
Nanotechnology seeks to develop new materials with specific properties
Nanotechnology may introduce new efficiencies and paradigms which
may make some natural resources and current practices
uncompetitive or obsolete.
It may be complicated to detect its presence unless one has the
specialist tools of nanotechnology
Benefits and Concerns of Using Nanotechnology

27. Example of Areas Affected by
Nanotechnology
Possible Benefits Concerns
Environment
Improved detection and removal of
contaminants
Development of benign industrial
processes and materials
High reactivity and toxicity
Pervasive distribution in the
environment No nano-specific EPA
regulation
Ability to cross cell membranes and
Health Improved medicine
Economy
Better products
New jobs
translocate in the body
No fda approval needed for cosmetics or
supplements
Redistribution of wealth
potential cost of cleanups
Accessibility to all income levels
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