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How does the size and shape of a nanoparticle affect its diffusion behavior in a liquid environment, and how can this be altered or controlled through manipulation of the nanoparticle structure using molecular dynamics simulations?
asked
1 day
ago
in
Computational Chemistry
0
votes
1
answer
20
views
What is the mechanism of photoprotection by UVB/UVA filters in commercial sunscreen formulations? How can the photostability of these filters be improved to ensure greater protection against harmful UV rays?
asked
4 days
ago
in
PhotoChemistry
0
votes
1
answer
24
views
What is the hybridization of the carbon atom in methane (CH₄)?
asked
5 days
ago
in
Chemical bonding
0
votes
1
answer
28
views
How does the electronic structure of a material vary with changes in its chemical composition? Use density functional theory calculations to explain the changes in electronic properties of a series of materials with varying compositions.
asked
5 days
ago
in
Computational Chemistry
0
votes
1
answer
19
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How does the amino acid sequence affect the folding mechanism of proteins, and can molecular dynamics simulations provide insights into the folding pathway and determine the stability of the folded structure?
asked
Feb 17
in
Computational Chemistry
0
votes
1
answer
36
views
How does temperature affect the rate of the photochemical reaction between chlorophyll and UV light? Provide experimental evidence to support your answer.
asked
Feb 17
in
PhotoChemistry
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votes
1
answer
23
views
How can we optimize the pharmacokinetics of drug candidates for cancer treatment to ensure maximum efficacy and minimum toxicity in patients?
asked
Feb 14
in
Medicinal Chemistry
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votes
1
answer
40
views
How can we effectively and safely dispose of radioactive waste to minimize its impact on the environment?
asked
Feb 13
in
Environmental Chemistry
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votes
1
answer
11
views
How can we design new drugs for cancer treatment that target specific cancer cells without harming healthy cells?
asked
Feb 12
in
Medicinal Chemistry
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votes
1
answer
26
views
How can the mechanical properties of polyurethane be optimized by varying the ratio of diisocyanate to polyol during synthesis?
asked
Feb 10
in
Chemical synthesis
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votes
1
answer
46
views
Calculate the standard enthalpy change for the vaporization of 25.0 grams of water at 100°C, given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
73
views
How do changes in pH affect the stability of protein-protein interactions and complexes? Provide a detailed explanation with experimental evidence.
asked
Jan 31
in
BioChemistry
0
votes
1
answer
77
views
What are the functional groups present in an unknown organic compound that has an IR spectrum showing a strong absorption band at 1730 cm^-1 and weak bands at 2960 cm^-1 and 3300 cm^-1? Identify the possible functional groups and explain the reasoning behind your identification.
asked
Jan 30
in
Analytical Chemistry
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votes
1
answer
11
views
How can the presence of a specific compound in a given sample be identified using Raman spectroscopy and what are the necessary steps involved in sample preparation and analysis?
asked
Jan 29
in
Analytical Chemistry
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votes
1
answer
92
views
A chemistry student wants to determine the Faraday constant (F) by electroplating copper on a platinum electrode using a current of 2.0 A for 10 minutes. Calculate the amount of copper deposited and use this information to determine the value of the Faraday constant.
asked
Jan 22
in
ElectroChemistry
0
votes
1
answer
26
views
What does the transdiagnostic model of psychosis suggest about comorbidity?
asked
Jan 20
in
Psychology
0
votes
1
answer
40
views
What is the difference between reliability and validity in theory evaluation?
asked
Jan 16
in
Psychology
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votes
1
answer
24
views
What are the strengths of the Place Theory?
asked
Jan 16
in
Psychology
0
votes
1
answer
36
views
Where does the Biopsychosocial Model of Addiction suggest addiction comes from?
asked
Jan 15
in
Psychology
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votes
1
answer
45
views
What is classical conditioning in animal psychology?
asked
Jan 13
in
Psychology
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