Recent activity by MaryellenGra

1 answer 22 views

What is the relationship between the molecular structure of sunscreen agents and their ability to absorb ultraviolet radiation?

answered Feb 24 in PhotoChemistry

1 answer 35 views

How does the presence of a metal nanoparticle affect the surface-enhanced Raman spectroscopy (SERS) signal of a molecule?

answered Feb 22 in Surface Chemistry

1 answer 28 views

How does the presence of a reaction product affect the rate of a chemical reaction? Provide an experiment-based explanation.

answered Feb 22 in Chemical kinetics

1 answer 38 views

How does the presence of a catalyst affect the activation energy and rate of a chemical reaction?

asked Feb 22 in Physical Chemistry

1 answer 31 views

How do the photochemical properties of nanoparticles change in response to different light wavelengths?

asked Feb 22 in PhotoChemistry

1 answer 27 views

What is the optimum wavelength range for sunscreen agents to be effective in protecting the skin from UV radiation?

answered Feb 22 in PhotoChemistry

1 answer 33 views

How does the cooling rate affect the crystalline structure and morphology of a polymer during its solidification process?

asked Feb 19 in Polymer Chemistry

1 answer 37 views

How does the concentration of a catalyst affect the rate of a chemical reaction, and can this be used to optimize the reaction rate?

answered Feb 18 in Chemical kinetics

1 answer 40 views

How does the composition of a glass affect its refractive index and its suitability for use in optical applications such as lenses and prisms?

answered Feb 18 in Materials Chemistry

1 answer 29 views

How does the catalytic activity of transition metals change with their electronic configuration and oxidation state?

answered Feb 18 in Physical Chemistry

1 answer 30 views

How does the binding of a histone protein affect the dynamics and stability of DNA in a nucleosome structure, and how can molecular dynamics simulations be used to better understand this interaction?

asked Feb 17 in Computational Chemistry

1 answer 35 views

How does the absorption of light affect the rate of photochemical reactions in a closed system?

asked Feb 17 in Physical Chemistry

1 answer 28 views

What is the impact of pH and lipophilicity on the absorption and distribution of a specific drug in the human body?

answered Feb 17 in Medicinal Chemistry

1 answer 32 views

What is the crystal structure of sodium chloride (NaCl) and how does it form?

answered Feb 14 in Physical Chemistry

1 answer 30 views

How can the use of chemical fertilizers and pesticides in sustainable agriculture be minimized to reduce their environmental impact?

asked Feb 13 in Environmental Chemistry

1 answer 36 views

How can we develop new treatments for gastrointestinal diseases by designing drugs that target the acid secretion pathway and reduce the harmful effects of excess stomach acid?

answered Feb 12 in Medicinal Chemistry

1 answer 78 views

What is the molecular structure and properties of collagen, the most abundant protein in the human body? How does its structure relate to its function in providing support and flexibility to tissues such as skin, bones, and tendons?

asked Feb 12 in Organic Chemistry

1 answer 77 views

How can the stimuli-responsive properties of polymer-based smart materials be optimized for their specific applications in drug delivery systems?

answered Feb 10 in Polymer Chemistry

1 answer 33 views

How can the performance of polymer-based electronic materials be optimized for use in flexible and stretchable electronics?

asked Feb 10 in Polymer Chemistry

1 answer 40 views

How can the impact of radioactive waste disposal on the environment be minimized using chemical methods?

asked Feb 7 in Environmental Chemistry

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