Science & Technology › Emerging Tech

There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why?

1. They can accumulate in the environment, and contaminate water and soil
2. They can enter the food chains
3. They can trigger the production of free radicals

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With reference to the use of nano-technology in health sector, which of the following statements is/are correct?

1. Targeted drug delivery is made possible by nanotechnology
2. Nanotechnology can largely contribute to gene therapy

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Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices. What are the advantages of OLED displays over Liquid Crystal displays ?

1. OLED displays can be fabricated on flexible plastic substrates
2. Roll-up displays embedded in clothing can be made using OLEDs
3. Transparent displays are possible using OLEDs

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