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How does the surface chemistry affect the intensity of SERS peak in the detection of chemical substances?
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Feb 17
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Surface Chemistry
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What is the mechanism behind the enhancement of Raman signals observed in SERS, and how can it be optimized for detection of trace amounts of analytes in a sample?
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What is the mechanism behind the enhancement of Raman signals observed in SERS and how can we optimize the conditions to achieve maximum enhancement for a given molecule?
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How does the chemical and physical nature of a metal substrate affect the enhancement factor in SERS measurements?
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What is the effect of different nanoparticle shapes on the enhancement of Raman signals in SERS?
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How does the surface morphology of a substrate affect the SERS signal intensity of a specific analyte?
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How does the use of different types of substrates impact the sensitivity and reproducibility of SERS measurements in the analysis of specific analytes?
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How does the SERS intensity depend on the distance between the nanoparticle and the analyte molecule? Investigate the effect of varying the nanoparticle size and analyte molecule on the SERS signal intensity.
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Surface Chemistry
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How can we optimize the SERS performance in detecting trace amounts of environmental pollutants?
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How do the surface-active agents in detergents and cleaning agents help in the removal of dirt and stains from different surfaces?
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What is the effect of surface-active agents on the foam stability of whipped cream during the food processing industry?
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How do the surface-active agents in detergents and cleaning agents interact with oil and water to effectively remove stains and grime from different surfaces?
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How do surface-active agents in detergents and cleaning agents affect surface tension and interfacial tension in aqueous solutions, and how does this impact their effectiveness in removing oil and grease from surfaces?
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Surface Chemistry
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What is the surface tension of a liquid and how is it measured? Provide an experimental method to determine the surface tension of a given liquid and discuss the factors that affect surface tension.
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What is the surface tension of a liquid and how can it be measured using the drop weight method?
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How does the surface tension of water affect the interaction between biomolecules and the lipid bilayer in a biomembrane?
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How does surface tension of a liquid vary with temperature and impurity concentration, and how can it be measured accurately using a drop weight or capillary rise method?
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Surface Chemistry
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How does the surface tension of a biomembrane affect the diffusion of molecules across the membrane?
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Feb 17
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Surface Chemistry
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How does the surface tension of biomembranes affect the diffusion and absorption of small molecules and nutrients through the cell membrane?
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Feb 17
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Surface Chemistry
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What is the effect of surface roughness on the adhesion strength of a coating on a metal surface?
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Surface Chemistry
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