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Design a biodegradable polymer-based scaffold to facilitate the regeneration of damaged cartilage. Include the synthesis and characterization of the polymer and provide evidence for its effectiveness in supporting the growth of chondrocytes (cartilage cells).
asked
2 days
ago
in
Polymer Chemistry
0
votes
1
answer
34
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Consider the synthesis of ibuprofen from 2-methylpropylbenzene and carbon dioxide, using a series of reactions. As a chemistry student, how would you design an experimental process to isolate and purify ibuprofen from the reaction mixture? Include details on the specific equipment and techniques that can be used, as well as potential challenges and solutions.
asked
2 days
ago
in
Chemical synthesis
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1
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46
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Calculate the amount of energy needed to desorb 10 moles of hydrogen gas from a metal surface, given that the enthalpy of desorption is -120 kJ/mol.
asked
Jan 23
in
ThermoChemistry
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votes
1
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48
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According to the emotion regulation theory, what is the relationship between emotional regulation and anxiety?
asked
Jan 17
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Psychology
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1
answer
10
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What term is used to describe an immunity that occurs after exposure to an antigen either from a pathogen or a vaccination?
asked
Jan 7
in
Science
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1
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21
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What term is used to describe a bond formed by the overlap of orbitals in an end-to-end fashion, with the electron density concentrated between the nuclei of the bonding atoms?
asked
Jan 7
in
Science
0
votes
1
answer
36
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What specific part of the brain regulates the endocrine system?
asked
Jan 7
in
Science
0
votes
1
answer
26
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What is the term for matter that does not let any light pass through?
asked
Jan 7
in
Science
0
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1
answer
5
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What is the term for cellular eating?
asked
Jan 7
in
Science
0
votes
1
answer
6
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What changes the chemical composition of a substance and can only occur through a chemical reaction?
asked
Jan 6
in
Science
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1
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28
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Materials such as metals have low resistance to electric current, what are they called?
asked
Dec 31, 2024
in
Science
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