Recent activity by JoycelynFran

1 answer 15 views

How does the regulation of glycolysis allow for efficient energy production in the human body?

1 answer 23 views

What is the optimal ratio of diisocyanate and polyol for synthesizing polyurethane with the highest possible mechanical strength?

asked 3 days ago in Chemical synthesis

1 answer 24 views

How do the mechanical and thermal properties of polymer nanocomposites change as the particle size and concentration of nanofillers are systematically varied?

answered 5 days ago in Polymer Chemistry

1 answer 24 views

How do the excited state dynamics of a molecule differ from its ground state, and how can these differences be studied and quantified through ab initio calculations?

asked 5 days ago in Computational Chemistry

1 answer 19 views

What is the coordination number of iron in the heme group of myoglobin?

answered 6 days ago in Coordination Chemistry

1 answer 40 views

How does the chemical structure of DNA facilitate the process of replication and repair, and what are the specific enzymes involved in these processes?

asked Feb 18 in BioChemistry

1 answer 24 views

How does the chemical composition of microplastics affect their toxicity and ability to bioaccumulate in marine organisms?

answered Feb 18 in Environmental Chemistry

1 answer 26 views

What is the balanced chemical equation for the complete combustion of propane (C3H8) and how many moles of oxygen gas are required for the reaction to produce 5 moles of carbon dioxide and 4 moles of water?

answered Feb 17 in Chemical reactions

1 answer 22 views

How does the addition of nanoclay particles affect the mechanical properties of a polymer nanocomposite?

answered Feb 17 in Polymer Chemistry

1 answer 29 views

What is the activation energy of the reaction between hydrogen peroxide and iodide ions, given that the rate constant at 25°C is 4.5 x 10^-4 s^-1 and the activation energy is 75 kJ/mol?

asked Feb 17 in Chemical kinetics

1 answer 28 views

How does the surface modification of nanoparticles affect their properties and behavior in solution? Specifically, how does the addition of functional groups or coatings impact particle size, stability, and reactivity in various environments?

answered Feb 17 in Surface Chemistry

1 answer 36 views

How do different types of Persistent Organic Pollutants (POPs), such as polychlorinated biphenyls (PCBs) and pesticides, impact the environment and human health, and what are the most effective methods for reducing their presence in the environment?

asked Feb 14 in Environmental Chemistry

1 answer 8 views

How can the use of nanotechnology improve the efficacy and reduce the side effects of drug delivery systems in cancer treatment?

answered Feb 13 in Medicinal Chemistry

1 answer 41 views

How does the activation of G protein-coupled receptors (GPCRs) lead to the activation of downstream signal transduction pathways in biochemical terms?

asked Feb 13 in BioChemistry

1 answer 28 views

How does eutrophication affect the dissolved oxygen levels in aquatic ecosystems and what are the potential consequences for the ecosystem and its inhabitants?

asked Feb 13 in Environmental Chemistry

1 answer 35 views

What is the difference between E1 and E2 mechanisms in elimination reactions? Provide an example of each mechanism and discuss the factors that influence the rate of each reaction.

asked Feb 13 in Organic Chemistry

1 answer 9 views

How can we design a novel antiviral drug that specifically targets the replication cycle of the influenza virus?

asked Feb 12 in Medicinal Chemistry

1 answer 29 views

How can the synthesis of polyvinylpyrrolidone from vinylpyrrolidone monomer be optimized to achieve a high yield and a high degree of polymerization?

asked Feb 11 in Chemical synthesis

1 answer 26 views

How can the synthesis of polyethylene terephthalate from terephthalic acid and ethylene glycol be optimized to improve the yield and purity of the final product?

asked Feb 11 in Chemical synthesis

1 answer 28 views

How can the synthesis of metal-organic frameworks be optimized to improve the efficiency and yield of the reaction while ensuring the structural integrity of the resulting material?

asked Feb 11 in Materials Chemistry

Categories