Rajesh Ummadisetti

3 Questions 15 Answers 0 Followers

Questions related from Rajesh Ummadisetti

Can anybody comment how to distinguish copper oxidation states by XPS analysis?

The different oxidation states of copper such as Cu(II), Cu(I) in complexes or oxides and Cu(0) can be analyzed from the binding energies around 932 and 952 eV with slight differences by XPS...

13 September 2015 150 18 View

Can anybody comment or send reference to support the triangular shape of water contact angle image on a hydrophillic surface (see attached images)?

The existence of water droplet on hydrophillic or hydrophobic surfaces is in the form of various spherical shapes with either less than 90 deg or more than that. But we have observed the existence...

29 April 2015 7,619 7 View

Is it possible to recycle the chiral amino acid based ionic liquids in asymmertric organic conversions?

Chiral ionic liquids (CILs)have played pivotal role in asymmetric catalysis to improve ee or de. Here either cation or anion or both may contain the chiral center to achieve the product in high ee...

31 August 2014 1,580 5 View