Nanotechnology

Question 1

refers to: science, engineering and
technology conducted at the nanoscale

Answer 1

Nanotechnology

Question 2

Greek for Dwarf or small

Answer 2

Nano

Question 3

1 nanometer (nm) =

Answer 3

billionth of a meter ()

Question 4

The study and application of structures and materials that have dimensions at the nano scale level

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Nanoscience

Question 5

The study of nanomaterials and their properties, and the understanding of how these materials, at the molecular level, provide novel properties and physical, chemical and biological phenomena that have been successfully used in innovative ways in a wide range of industries.

Answer 5

Nanoscience

Question 6

materials become transparent insoluble substances become soluble color of gold can be changed to violet, red and more

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Opaque

Question 7

The science and technology of objects at the nanoscale level, the properties of which differ significantly from that of their constituent material at the macroscopic or even microscopic scale.

Answer 7

Nanotechnology

Question 8

It is a multidisciplinary field that encompasses understanding and control of matter at about 1-100 nm, leading to development of innovative and revolutionary applications.

Answer 8

Nanotechnology

Question 9

It covers all types of research and technologies that deal with the special properties of matter on an atomic molecular and supramolecular scale

Answer 9

Nanotechnology

Question 10

It also involves DESIGN, CHARACTERIZATION, PRODUCTION, and APPLICATION of structures, devices, and systems by controlling SHAPES and SIZES at the nanometer scale

Answer 10

Nanotechnology

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It is CONVERGENT. It brings TOGETHER various fields of science through its innovations, such as DNA silicon chips, converging with semiconductor science (inorganic chemistry) and biology, with applications in the medical industry.

Answer 11

Nanotechnology

Question 12

It is ENABLING. It provides the platform and the tools to produce innovations

Answer 12

Nanotechnology

Question 13

Who is the Father of Nanotechnology?

Answer 13

Richard Feynman

Question 14

Materials used to create displays that have better color, lower energy consumption and longer service life.

Answer 14

Nanomaterials

Question 15

Chemical substances or materials that are manufactured and used at a very small scale (1-100 nm)

Answer 15

Nanomaterials

Question 16

Developed to exhibit novel characteristics compared to the same material without nanoscale features: increased strength, chemical reactivity or conductivity

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Nanomaterials

Question 17

Carbon nanotubes, Diamond, Quantum dots, Fullerenes, Graphite, Graphene, Graphene oxide, Dendrimers, Liposomes, DNA, Titanium oxide, Silver and Iron oxide

Answer 17

Nanomaterials

Question 18

•Naturally occurring
Volcanic Ash
Forest fires
Ocean spray
Fine sand
Dust

•Incidental or Anthropogenic
Produced as a consequence of human activities

•Combustion Process
Engineered/Manufactured/Industrial
Intentionally produced for a SPECIFIC purpose

Answer 18

Nano sources

Question 19

A device with at least one overall dimension in the nanoscale, or comprising one or more nanoscale components essential to its operation

Answer 19

Nanoevidence

Question 20

In medicine, nanoparticles that are created for the purpose of interacting with cells and tissues and carrying out very specific tasks (eg, imaging tools miniature cameras)

Answer 20

Nanoevidence

Question 21

Nanotech products become:

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Lighter

Stronger

Faster

Smaller

More durable and efficient

Question 22

The ideas & concepts behind nanoscience & nanotechnology started with a talk entitled blank by physicist Richard Feynman at an American Physical Society meeting at the California Institute of Technology on December 29, 1959, long before the term nanotechnology was used.

Answer 22

“There’s Plenty of Room at the Bottom”

Question 23

The ideas & concepts behind nanoscience & nanotechnology started with a talk entitled blank by physicist Richard Feynman at an American Physical Society meeting at the blank on December 29, 1959, long before the term nanotechnology was used.

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California Institute of Technology

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He described a process in which scientists would be able to manipulate and control individual atoms and molecules.

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Richard Feynman

Question 25

Who coined the term nanotechnology?

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Norio Taniguchi

Question 26

The microscopes needed to see things at the nanoscale were invented relatively recently in the early blank

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1980’s

Question 27

It wasn’t until 1981, with the development of the blank that could “see” individual atoms that modern nanotechnology began.

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SCANNING TUNNELING MICROSCOPE (STM)

Question 28

A type of microscope used for imaging surfaces at the atomic level

Answer 28

Scanning Tunneling Microscope (STM)

Question 29

Who Developed the STM in 1981 ?

Answer 29

Gerd Binnig and Heinrich Rohrer

Question 30

Can distinguish features smaller than 0.1nm with a 0.01 nm (10 pm) depth resolution

Answer 30

Scanning Tunneling Microscope (STM)

Question 31

A type of scanning probe microscope invented in 1982 by scientists working in IBM and first used experimentally in 1986

Answer 31

Atomic Force Microscope (AFM)

Question 32

Its functioning is enabled by three of its major working principles:
Surface sensing
Detectio
Imaging

Measure properties (primary role):
Magnetism
Height
Friction

Answer 32

Atomic Force Microscope (AFM)

Question 33

What are the two Approaches to Nanotechnology?

Answer 33

Bottom-up Approach
Top-down Approach.

Question 34

Bulk materials are broken down into smaller and smaller particles, Norio Taniguchi.

Answer 34

Top-down Approach.

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Nanoparticles are built up an atom/ molecule at a time, Richard Feynman.

Answer 35

Bottom-up Approach

Question 36

can be effective agents for selective targeting and destruction of cancer cells

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Nanocrystals

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active metal nanoparticles allow robust, ultrasensitive, highly multiplesed biomarker quantitation in any biological matrix, including blood

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silica-coated Surface Enhanced Raman Scattering (SERS)

Question 38

sunburn and carcinoma.

Answer 38

UVB exposure

Question 39

melanoma and premature aging

Answer 39

UVA exposure

Question 40

spectrum UV protection in a transparent formulation

Answer 40

Nanoscale TiO2 and ZnO particles provide broad