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Mattie B.
Teaching assistant for seven years
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Natural Sciences
TutorMe
Question:

Describe what is a liposome and describe how it can be used in the medical field?

Mattie B.
Answer:

A liposome is a circular vesicle composed mainly of phospholipids and is used mainly in the medical field as a carrier vehicle to deliver drugs within the body.

Chemistry
TutorMe
Question:

You are asked to perform an acid-base titration to determine the exact concentration of the base. In this case, the base is NaOH. Why is this necessary?

Mattie B.
Answer:

NaOH is hygroscopic in that it has the ability to absorb water from air and therefore making it difficult to prepare an exact concentration.

Biomedical Science
TutorMe
Question:

You are given a recombinant protein to purify. You successfully purify this protein. How can you determine the purity of this protein?

Mattie B.
Answer:

You can use either SDS-PAGE or Western Blot to determine the purity of the protein or a combination of both methods.

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