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STS FINALS > Nanotechnology > Flashcards

Nanotechnology Flashcards

1
Q

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

A

nanotechnology

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2
Q

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

A

nanotechnology

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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

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4
Q

Technology working with and producing things at atomic level

A

nanotechnology

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5
Q

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

A

nanotechnologists

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6
Q

nanotechnology have dimensions between __ to ___ nanometers

A

1 to 100 nanometers

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7
Q

Nanomaterials have ___ surface area, resulting to increased _____ reactivity

A

greater; chemical

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8
Q

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

A

size

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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

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10
Q

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

A

SINGLE-WALLED CARBON NANOTUBES

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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

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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:

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13
Q

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

A

FERROXANE MEMBRANE

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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

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15
Q

________ - heterogeneous materials comprising multiple different phase domains

A

nano composite

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16
Q

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

A

nano composite

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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
Q
  • Determines toxicity of nanomaterial
  • Minor changes in could heavily change its properties
A

chemical structure

26
Q

Lack of information and methods that identify nanomaterials

A

NANOPARTICLE ANALYSIS METHOD

27
Q

Exposure risk, probability of exposure, toxicological analysis, transport risk, transformation risk, ability to recycle

A

FULL-RISK SAFETY ASSESSMENT ON HUMAN HEALTH AND ENVIRONMENT

28
Q

Used to predict environmental impact

A

LIFE CYCLE RISK ASSESSMENT

29
Q

Reduce the production of material waste

A

GOOD EXPERIMENTAL DESIGN IN MANUFACTURING

30
Q
  • 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
A

CARBON NANOTUBES (CNTs)

32
Q

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 _____
A

Mobility, Solubility, NANOPARTICLES

33
Q

issues of nanotechnology

A
  • Intellectual Property/Secrecy
  • Legitimacy of scientific results (Toxicology report and feasibility study that proves the product is safe)
  • Privacy Issues
34
Q

4 CHALLENGES IN DEALING WITH THE DEVELOPMENT, IMPACT, AND EFFECT OF NANOTECHNOLOGY

A
  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
Q

Control over the structure of matter. what challenge in dealing with the development, impact and effect of nanotechnology is this?

A

The Challenge of Technological Development

36
Q

Sense of the lower bounds of future possibilities. what challenge in dealing with the development, impact and effect of nanotechnology is this?

A

The Challenge of Technological Foresight

37
Q

Clearer understanding of what these technological possibilities. what challenge in dealing with the development, impact and effect of nanotechnology is this?

A

The Challenge of Credibility and Understanding

38
Q

Formulating policies based on understanding. what challenge in dealing with the development, impact and effect of nanotechnology is this?

A

The Challenge of Formulating Public Policy

39
Q
  • Full life-cycle analysis of nanotechnology products
  • Risk Management
  • Scientific experimentation
  • Establishing regulatory systems
  • Reevaluation of existing regulating systems
A

Methods to address the negative implications of Nanotechnology

40
Q

INTERNATIONAL COUNCIL ON NANOTECHNOLOGY (ICON) was established at ___ university in ____, Texas in ______

A

Rice University; Houston; 2004

41
Q
  • 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
A

INTERNATIONAL COUNCIL ON NANOTECHNOLOGY (ICON)

42
Q

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

A

NATIONAL NANOTECHNOLOGY INITIATIVE (NNI)

STS FINALS (2 decks)

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