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What is one way nanotechnology can address the shortage of fossil fuels?
What is a benefit of using nanotechnology in fabric production?
What is a potential application of nanotechnology in the sports industry?
What is a focus area of nanotechnology in terms of water quality?
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Who led the project for the DOST Roadmap for Nanotechnology Development in the Philippines?
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What is a benefit of using nanotechnology in air quality improvement?
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What is one way nanotechnology can improve water quality?
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What is a potential application of nanotechnology in the chemical industry?
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What is a benefit of using nanotechnology in fabric production, in terms of weight and thickness?
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What is a focus area of nanotechnology in the Philippines?
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Study Notes
Nanotechnology Definition and Applications
- Nanotechnology is the manipulation of matter on a near-atomic scale to produce new structures, materials, and devices.
- It has the potential to bring scientific advancements in various sectors, including medicine, consumer products, energy, materials, and manufacturing.
Environmental Impacts of Nanotechnology
- Positive effects: increased material strength, enhanced efficiency of monitoring devices, remediation of environmental pollution, and renewable energy production.
- Negative effects: uncertain shape, size, and chemical compositions of nanomaterials, toxicity, lack of information and methods, and potential environmental harm.
Manufacturing Benefits
- Reduced energy consumption
- Cost savings on materials
- Less waste generation
- Environmental monitoring and protection
- Biological and biomedical applications
Potential Environmental Effects
- Toxicity risks
- Lack of information and methods
- Unknown chemical structure
- Full risk assessment and life cycle risk assessment
- Good experimental design
Positive Effects on Environment
- Cleaner and more efficient industrial processes
- Improved air, water, and soil quality
- High precision manufacturing with reduced waste
- Clean and abundant power via more efficient solar cells
- Removal of greenhouse gases and pollutants
- Decreased need for large industrial plants
- Remediation of environmental damages
Negative Effects on Environment
- High energy requirements for synthesizing nanoparticles
- Dissemination of toxic persistent nanosubstances
- Lower recovery and recycling rates
- Unclear environmental implications of other life cycle stages
- Lack of trained engineers and workers
Nanotechnology Applications
- Medicine: customized nanoparticles for targeted drug delivery
- Electronics: improved display screens, increased memory chip density, and reduced transistor size
- Food: impact on food science, safety, and health benefits
- Fuel Cells: reduced catalyst cost and improved membrane efficiency
- Solar Cells: lower cost and more efficient nanotech solar cells
- Batteries: longer-lasting and faster-recharging batteries
- Space: potential for more practical space-flight
- Fuels: addressing fossil fuel shortage
- Better Air Quality: improved catalyst performance
- Clean Water: solutions for industrial waste, salt removal, and virus removal
- Chemical Sensors: detection of small chemical vapors
- Sporting Goods: stronger tennis racquets, improved club shaft materials, and longer-lasting tennis balls
- Fabric: improved properties without increased weight, thickness, or stiffness
Nanotechnology in the Philippines
- Dr. Fabian Dayrit, a renowned professor and former dean of the School of Science and Engineering of the Ateneo de Manila University, led the DOST Roadmap for Nanotechnology Development in the Philippines.
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Description
This quiz covers the basics of nanotechnology, its applications, and its potential impacts on various sectors such as medicine, energy, and manufacturing.
