Nanotechnology, Properties, Applications and Concerns

Posted on April 30th, 2008 in Chemistry, Nanotechnology, Year 10 by stephaniemerry

                                                                            

Nanotechnology is the engineering of funcitional systems in molecular scale. They are basicaly drawings of molecules in 3d. Nanotechnology is constructing atoms and they show all the molecules structure.

Dangers of Nanotechnology-

Business’s hadn’t thought of the concerns of Nanotechnology. As it is new all the risks have not been tested completely.  Because the particles are so tiny there may react with tiny particles with the environment and the human body.

Nanoscale particles behave differently than a larger scale so are unpredictable.  Pollution problems are linked with nanotachnology.  It is used so much no one knows the risks so is very dangerous to humans.

:)

Enzymes

Posted on April 29th, 2008 in Biology, Enzymes, Research, Year 10 by stephaniemerry

 GLO1 Homo sapiens small fast.gif

Enzymes are catalyzes that effect chemical reactions. They can speed up reactions or slow them down. However there are not many enzymes needed in one cell as they ca be reused but they can only do 1 job at a time.

Products that are made with enzymes:

Cheese this uses animal rennin which is coagulating enzyme found in the stomach of cows.

 Dortis, Cheetos, Probiotics, Milk

Onions(that is why we cry when we have an onion as the enzymes are reacting)

Enymes are used in these products to increase or decrease there chemical reaction rate.  Most of the enzymes used in these products are from a stomach of an animal. EHH!

:)

Nanotechnology

Posted on April 25th, 2008 in Chemistry, Nanotechnology, Research, Year 10 by stephaniemerry

This task has been set to find research on Nanotechnology 

This picture is an image of Nanotechnology

 Nanotechnology is a mixture of science and technology is it based around the idea of molecules and atomic scale. It is the drawings of molecules of a structure. There are two types of Nanotechnology they are Bottom up and top down. This names are given to molecules with a different type of positoning there structure. :)

Hello world!

Posted on April 19th, 2008 in Uncategorized by stephaniemerry

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