Recent activity by RichelleVerr

1 answer 23 views

How does the molecular weight of a polymer affect its mechanical and thermal properties when used in 3D printing applications, and what specific molecular weight range is best suited for producing high-quality printed parts with optimal performance?

answered Feb 21 in Materials Chemistry

1 answer 27 views

What is the electronic band structure of a graphene sheet using density functional theory calculations?

answered Feb 20 in Computational Chemistry

1 answer 28 views

How does the crystallization speed of a polymer affect its morphology? Are there any specific factors that influence the crystallization speed, and how does it affect the properties of the final product?

answered Feb 19 in Polymer Chemistry

1 answer 37 views

How does the change in pH affect the rate of photochemical reactions in the presence of a photo-sensitizer thus causing a photo-induced electron transfer to occur?

answered Feb 18 in PhotoChemistry

1 answer 22 views

How does the binding affinity of a specific protein to DNA change in the presence of an external factor, such as a small drug molecule or a change in pH, as determined by molecular dynamics simulations?

asked Feb 17 in Computational Chemistry

1 answer 29 views

How does the absorption wavelength of a fluorescent dye affect its photochemical properties? Provide examples with empirical evidence.

asked Feb 17 in PhotoChemistry

1 answer 35 views

What type of bond exists between a carbon atom (C) and an oxygen atom (O) in a carbon dioxide (CO2) molecule?

asked Feb 13 in Chemical bonding

1 answer 50 views

How can the synthesis and characterization of new materials be optimized for effective drug delivery and sustained release?

answered Feb 11 in Materials Chemistry

1 answer 28 views

How can the selective targeting of enzymes involved in metabolic pathways be utilized for the design of drugs to treat metabolic disorders?

answered Feb 10 in Medicinal Chemistry

1 answer 39 views

How can the design and synthesis of novel molecules that bind to and inhibit specific enzymes involved in cardiovascular diseases be optimized to enhance efficacy and minimize off-target effects?

asked Feb 6 in Medicinal Chemistry

1 answer 33 views

How can density functional theory calculations be used to predict the rate-determining step of a catalytic reaction in order to design more efficient and selective catalysts?

answered Feb 5 in Computational Chemistry

1 answer 41 views

How can computational chemistry and molecular docking studies be applied to identify potential drug candidates for the treatment of cancer?

asked Feb 5 in Computational Chemistry

1 answer 53 views

Given the following electrochemical reaction: Cu(s) + 2 Ag+(aq) → Cu2+(aq) + 2 Ag(s)Calculate the cell potential at standard conditions (298 K, 1 atm, 1 M concentrations).

answered Feb 4 in ElectroChemistry

1 answer 38 views

Given a sample of mesoporous silica with a surface area of 500 m²/g, an amount of physisorbed nitrogen of 4.2 µmol/g, and assuming a monolayer coverage of 16.2 µmol/m², calculate the BET surface area of the silica.

asked Feb 4 in Surface Chemistry

1 answer 50 views

Determine the crystal field splitting energy for a coordination compound with a tetrahedral geometry, given the following information: the metal ion has six d electrons, the ligand field splitting parameter (Δtetrahedral) is 4000 cm⁻¹, and the compound's absorption spectrum shows a strong absorption band at 600 nm.

answered Feb 4 in Coordination Chemistry

1 answer 79 views

How do changes in molecular geometry affect the calculation of magnetic properties in molecules and materials using quantum chemistry?

asked Jan 31 in Quantum Chemistry

1 answer 70 views

How do the photochemical properties of bioluminescent organisms differ from those of non-bioluminescent organisms?

answered Jan 31 in PhotoChemistry

1 answer 65 views

How does alternative splicing of pre-mRNA molecules affect the final functional forms of RNA and protein products in the context of RNA processing?

answered Jan 31 in BioChemistry

1 answer 50 views

How can the presence of arsenic in a sample be identified using X-ray fluorescence spectroscopy, and what is the concentration of arsenic in the sample?

asked Jan 29 in Analytical Chemistry

1 answer 54 views

Determine the structure of an unknown organic compound using nuclear magnetic resonance (NMR) spectroscopy, given the following information: - The compound has a molecular formula of C6H12O2 - The NMR spectrum shows signals at 1.2 ppm (triplet), 2.3 ppm (quartet), and 3.7 ppm (doublet).

answered Jan 29 in Analytical Chemistry

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