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QUESTION 7 Characterization Techniques in Nano-Bio-Science (8 pts)Suppose that you are researcher in nanomaterials, and you have just synthesized sample, which is c...

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QUESTION 7 Characterization Techniques in Nano-Bio-Science (8 pts)Suppose that you are researcher in nanomaterials, and you have just synthesized sample, which is composed by hydrophobic lanthanide-based luminescent nanoparticles. You have collaborator that wants to use your nanoparticles in bioimaging applications:Name the most important characterization techniques that you need to perform right after your synthesis and which kind of information they will give you about your nanoparticles:If yo

QUESTION 7 Characterization Techniques in Nano-Bio-Science (8 pts) Suppose that you are researcher in nanomaterials, and you have just synthesized sample, which is composed by hydrophobic lanthanide-based luminescent nanoparticles. You have collaborator that wants to use your nanoparticles in bioimaging applications: Name the most important characterization techniques that you need to perform right after your synthesis and which kind of information they will give you about your nanoparticles: If you want to use this sample for biological applications what do you need to do bout the hydrophobic surface of your nanoparticles? What possible changes at the photoluminescence spectrum of suspension of your lanthanide- based luminescent nanoparticles in solvents composed by biological media (example: PBS buffer, serum) do vou predict with respect to the same sample dispersed in water?



Answers

What are the common methods of characterization of nanoparticles?

What are some possible consequences to biodiversity if nanoparticles become a mawr common source of pollution? Well, if we look at page 3 89 a decline in phytoplankton will lead to a decline and krill so as the nanoparticles interfere with the phytoplankton, is ability to gather sun lights and survive. We will see a decline in phytoplankton, which is the primary food supply of krill and the krill. His food for this squid and the squid appears to be the primary food for king penguins and emperor penguins. So as nanoparticles become a more common source of pollution that will affect the population of krill, which will affect the population of squid, which will affect the population of emperor penguins and King penguin. So that is theme, the more direct impact on the food chain. Phytoplankton also consume organic nutrients produced by D composers, so the phytoplankton become lesson number. They will consume less products from the D composers, and there will be an accumulation of an organic nutrients in the ocean and aquatic environment, and this might contaminate the area and affect many populations and communities. Phytoplankton also consume carbon dioxide, so if they're not there to consume it. There will be a build up of carbon dioxide, which will exacerbate Theus sophistication of the ocean, which will destroy coral and affect the balance of other food chains and food webs. So if nanoparticles become a mawr common source of pollution, they will affect phytoplankton, which are the primary producers, and a major food supply of secondary consumers that affect tertiary consumers.

Question We have to determine What are the methods of methods of synthesis? Methods of synthesis of nanoparticles, nanoparticles. Okay, so there are many methods, so some methods are as top down approach, top down approach, top down approach and the next method is bottom up approach bottom of approach. And the next method is the next method is combustion rule combustion route. Okay. The next method is guests. His method gas face method. And the next method is microwave synthesis. Microwave synthesis. Okay, so these are some methods for the synthesis of nanoparticles. Okay, thank you.

So in this question we have to tell what are the unit properties unique properties of nano particles, nano particles. Okay, so the first unique property of the nanoparticle it is they have very high magneto high magneto mhm. Resistance. Okay. Hi magneto registrants. The second unit property is they have a lower melting point melting point. And the next unique property. 3rd it is they have high solid state, high solid state face transition, face transition. What I should. Okay. And the next property is they have lower divide pressure, lower divide pressure. Okay. And the next property can be taken as they have high self diffusion. Hi cell diffusion self diffusion coefficient. Okay coefficient. So these are some unique properties often nanoparticles. Okay. Thank you.

Of the four molecules that are given to us. We're looking for a molecule that has a significant amount of hydrogen bonding, which will allow it to dissolve in water but still be a relatively large organic molecules so that it can dissolve in a more organic, slightly less, uh, polar Octonal solution. So of the four, we see that this last molecule has a significant amount of ohh groups, and it is still a relatively large organic molecule. Therefore, it is the one that is most likely to dissolve in the bloodstream and also be able to pass across the cell membranes, which are non polar.


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