Debasish Das Mahanta

4 Questions 19 Answers 0 Followers

Questions related from Debasish Das Mahanta

Why hydrogen bond breaks?

We all know that water molecules are always breaking and reforming its hydrogen bonds with other water and/or solute molecules. But why in room temperature hydrogen bonds in pure water breaks? The...

01 February 2018 5,071 3 View

What is the difference between the Diffusion coefficient (D) for water-water and solute-water?

For any solute aqueous solution (binary mixture, solute+water) what is the difference between the Mean Square Displacement (MSD) or Diffusion coefficient (D) for water-water and solute-water? And...

18 September 2015 5,129 4 View

The peak of DNA UV-absorption band is at 260 nm, but in CD the peak shifted to 275 nm. Why?

Generally for any normal DNA (Salmon Sperm DNA) we got the UV-absorption peak at 260 nm, But in Circular Dichroism we got two peak one positive peak at 275nm and one negative peak at 245 nm. Why?...

16 April 2015 515 2 View

What does the positive (around 275 nm) and negative (around 245 nm) band of CD spectra of DNA signify?

Circular dichroism spectroscopy (CD) actually measures the difference between the absorption of left and right circularly polarized light of any optically active chiral molecules. CD spectroscopy...

11 April 2015 2,380 6 View