li Zeng

6 Questions 17 Answers 0 Followers

Questions related from li Zeng

Thermodynamic and/or kinetic control ?

For a long time, I am confused with the phrase thermodynamics and kinetics. In my opinion, thermodynamics reflect the possibility of interactions, and it is represented by parameters like...

13 May 2019 695 10 View

Is there any technology to identify the orientation of a specific protein on lipid membranes?

As I say in the title, except the fluorescence label and mutant methods, is there any other method to identify the orientation of a specific protein on lipid membranes ?

25 November 2015 1,573 10 View

Can I measure the potential of zero charge of a SAM coat-electrode by chronopotentiometry or i-t method?

I have fabricated a thiol-modified Au electrode by self-assembly method and I need to compare the potential of zero charge before and after the self-assembly. The only device I am accessible is...

18 April 2015 6,523 2 View

How can I choose the right redox probe in EIS measurement?

I have modified the Au electrode with negative-charged complex for EIS analysis. The redox probe is 1 mM Fe(CN)63- /Fe(CN)64- with 0.1M KCl. The result is displayed below. It is different from the...

24 September 2014 6,019 5 View

In infrared absorption spectrum, Is it possible the Vas(CH2) does not appear while the band of Vs(CH2) appears ?

In my experiment, a kind of protein displays a band at 2931 cm-1 and I assign it to Vas(CH2), but the corresponding Vs(CH2) band at ~2854cm-1 didn't appear. So I am a little confused about the...

27 August 2014 8,399 6 View

Does anyone synthesize Bis(4,7-dihydro-4,7-ethano-2H-isoindol-1-yl)methane?

I have done the experiment as the reference "Novel one-pot synthesis of 5-alkenyl-15-alkynylporphyrins and their derivatization to a butadiyne-linked benzoporphyrin dimer" provided, but I didn't...

11 July 2014 5,274 3 View