Nanotechnology Flashcards

(42 cards)

1
Q

The idea of manipulating and controlling things on an extremely small scale

A

nanotechnology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Understanding and control of matter at dimensions between approx. 1 and 100 nanometers

A

nanotechnology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Study of phenomena and fine-tuning of materials at atomic, molecular, and macromolecular scales; properties differ from those at a larger scale

A

nanotechnology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Technology working with and producing things at atomic level

A

nanotechnology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

use atoms and molecules to design new materials that have improved or new properties

A

nanotechnologists

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

nanotechnology have dimensions between __ to ___ nanometers

A

1 to 100 nanometers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Nanomaterials have ___ surface area, resulting to increased _____ reactivity

A

greater; chemical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Decreasing ___ of particles is related to changes in particle’s magnetic, optical and electrical properties

A

size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  • made up of a clear silicone microfluidic chamber
  • developed by researchers at the Stanford University School of Medicine
  • Provide faster, cheaper, and far more accurate results than any other available diagnostic equipment
A

benefits of nanotechnology in medicine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Dr. Robert Haddon used this as a material scaffolding to hold up regenerating bone

A

SINGLE-WALLED CARBON NANOTUBES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

SINGLE-WALLED CARBON NANOTUBES was used by ____ to use as a material for scaffolding to hold up regenerating bone.

A

Dr. Robert Haddon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  • Improved flexibility & strength of artificial bone
  • New types of bone grafts
  • Advanced treatment methods for osteoporosis
A

USE OF SINGLE-WALLED CARBON NANOTUBES:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

_____ _____ generated from iron oxide nanoparticles by Center of Biological and Environmental Nanotechnology (CBEN)

A

FERROXANE MEMBRANE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

catalysts that can significantly reduce the polluting by-products generated in the production of paints, household detergents and automotive brake fluids

A

SILVER NANOCLUSTERS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

________ - heterogeneous materials comprising multiple different phase domains

A

nano composite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Exhibit good gas-barrier properties, barrier properties against visible and UV light

A

nano composite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Able to ‘boot’ almost instantly, can quickly and effectively save data during a system shutdown

A

Magnetic random access memory:

18
Q

Forming conductive lines, and print prototype circuit boards

A

Silver nanoparticle ink:

19
Q
  • Nobel laureate
  • said that energy tops the list of the Top 10 problems facing humanity over the next 50 years
A

Richard E. Smalley:

20
Q
  • improved storage capacity
  • Increased lifespan and find use in electric vehicles
A

Nano optimized lithium-ion batteries

21
Q

Photovoltaic cells that convert any visible light into electrical energy’

A

Dye sensitized solar cells (DSSC) or Gratzel cells

22
Q

Imitate the process of photosynthesis in green plants

A

Make use of sensitizers with a broad absorption band coupled with nanocrystalline titanium oxide

23
Q
  • Added to modern automobile tires as reinforcing filler
  • Increases tire strength and longevity
  • Reduce rolling resistance which leads to fuel savings up to 10
A

Nanoscale carbon black

24
Q

risk of nanotechnology

25
- Determines toxicity of nanomaterial - Minor changes in could heavily change its properties
chemical structure
26
Lack of information and methods that identify nanomaterials
NANOPARTICLE ANALYSIS METHOD
27
Exposure risk, probability of exposure, toxicological analysis, transport risk, transformation risk, ability to recycle
FULL-RISK SAFETY ASSESSMENT ON HUMAN HEALTH AND ENVIRONMENT
28
Used to predict environmental impact
LIFE CYCLE RISK ASSESSMENT
29
Reduce the production of material waste
GOOD EXPERIMENTAL DESIGN IN MANUFACTURING
30
- Used for energy storage, sports storage, sports equipment, automotive parts, water filters, thin film electronics, etc. - Toxicity similar to asbestos fiber) inhalation can lead to asbestosis, lung cancer, malignant mesothelioma) - more toxic than carbon black and quartz once in lungs
CARBON NANOTUBES (CNTs)
31
32
other RISK CONCERN OF NANOTECHNOLOGY 1. ____: May be emitted directly to air from the source 2. _____: Many are soluble to water and are difficult to separate if inappropriately handled 3. Disposal of _____
Mobility, Solubility, NANOPARTICLES
33
issues of nanotechnology
- Intellectual Property/Secrecy - Legitimacy of scientific results (Toxicology report and feasibility study that proves the product is safe) - Privacy Issues
34
4 CHALLENGES IN DEALING WITH THE DEVELOPMENT, IMPACT, AND EFFECT OF NANOTECHNOLOGY
1. The Challenge of Technological Development 2. The Challenge of Technological Foresight 3. The Challenge of Credibility and Understanding 4. The Challenge of Formulating Public Policy
35
Control over the structure of matter. what challenge in dealing with the development, impact and effect of nanotechnology is this?
The Challenge of Technological Development
36
Sense of the lower bounds of future possibilities. what challenge in dealing with the development, impact and effect of nanotechnology is this?
The Challenge of Technological Foresight
37
Clearer understanding of what these technological possibilities. what challenge in dealing with the development, impact and effect of nanotechnology is this?
The Challenge of Credibility and Understanding
38
Formulating policies based on understanding. what challenge in dealing with the development, impact and effect of nanotechnology is this?
The Challenge of Formulating Public Policy
39
- Full life-cycle analysis of nanotechnology products - Risk Management - Scientific experimentation - Establishing regulatory systems - Reevaluation of existing regulating systems
Methods to address the negative implications of Nanotechnology
40
INTERNATIONAL COUNCIL ON NANOTECHNOLOGY (ICON) was established at ___ university in ____, Texas in ______
Rice University; Houston; 2004
41
- To develop and communicate information regarding the potential risks of nanotechnology - Worked with the academe industry, government, and NGO's - **August 2005** - successfully created a database that focused on the environmental, health, and safety implications of nanotechnology
INTERNATIONAL COUNCIL ON NANOTECHNOLOGY (ICON)
42
A U.S. Government research and development (R&D) initiative consist of **20 federal departments and agencies,** observe policies in the manufacture and use of nanomaterials promoted the responsible development of nanotechnology
NATIONAL NANOTECHNOLOGY INITIATIVE (NNI)