Why we are getting pattern 1:2:2:1 for DMPO-hydroxy radical in electron spin resonance? Reason?

More Viji N's questions See All

How to confirm magnetic nanoparticles coat with APTES is successful or not? Is it possible to know how much % coating happened?

In the synthesis of TEOS coated followed by amine functionalized nanoparticles magnetic nanoparticles using APTES, how to know amine group is functionalized? Is there any specific peak for APTES...

07 August 2018 3,955 4 View

How to solubilize chitosan in aqueous media? Does chitosan can be solubilize in any organic solvent?

09 October 2017 4,308 3 View

Can anyone tell me a simple procedure of glyphosate residue extraction in plants?

Glyphosate residual analysis in plants by simple method

08 September 2014 3,815 3 View

Which is better, Iron oxide magnetic nanoparticles coat with TEOS and then with APTES or direct APTES coating on iron oxide MNPs.

Can someone give approximate zeta value for APTES coat on MNPs.

01 January 1970 8,413 4 View

Give your thoughts about the XRD peak (attached)?

I have synthesised C-dots which has given me this data. Can anyone suggest me why we observe these peaks?

01 January 1970 6,957 6 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

What may be the reasons for failures of Tube toi Tube Sheet Joints in Boiler Drum ?

We have observed that tube to tube sheet joint leaked in our boiler and needs to overcome same by knowing the root cause.

08 August 2024 3,161 0 View

How do I conformally do PR spin coating on trench structure?

I did PR spin coating on trench structure. I used AZ P4620 PR and the thickness or PR is around 11um. The substrate is Si. And my trench structure depth is 141um(negative way). Even though I...

08 August 2024 2,298 0 View

1. If I can quantize the atom using this hyperbolic spiral and classical physics, could nature do the same?

If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...

07 August 2024 5,343 2 View

Is there anyone with experience in TEM analysis who can assist with a manuscript for an upcoming journal?

Hello dear colleagues, We have prepared a manuscript on NiTi-based alloys and are seeking a second opinion on our current TEM results. If you are a Ph.D. holder with experience in TEM and have...

07 August 2024 9,563 0 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 View

Which distribution type should I use when calculating the average particle size from TEM image? and how to calculate the error ?

average particle size calculation from TEM

04 August 2024 2,921 1 View

Why reactivity isn't increased with more empty spots in valence shell?

If from a geometric perspective the non-halogens, non-noble gases have more empty spots in their valence shell, and the filling/exiting of any of the empty spots in the shell constitutes a...

03 August 2024 4,787 2 View