What is the underlying reason behind the charge carrier (electron and hole) separation in one dimesional system?

In general, one dimensional nanostructure materials show less possibility of electron and hole recombination because of charge carrier separation. I have read that in some 1D system electrons...

10 November 2017 3,401 0 View

How to plot work function plot for nanotube in vasp?

I did work function calculation for nanotube in vasp. I am using locplot script for plotting the electrostatic potential graph. I have doubt that does this script properly work for nanotube or...

07 August 2017 3,254 0 View

Can anyone tell that the total electron density is the representation of total electrons or valence electrons?

When we plot the CHGCAR in VESTA the representation shows the electron density. My doubt is that is it the representation of total electrons or valence electron?

01 February 2016 6,974 4 View

How can I use dosanalyze.pl ?

I want to calculate the d-band center of Pt(111) surface. I am using the VTST script of Henkelman's group. Can anyone tell me how to use the dosanlaze.pl using LORBIT=11. Supppose, I have 5 atoms...

11 December 2015 9,117 1 View

How can I insert more images between two images in NEB calculation (in VASP) ?

First I insert 4 images, the results reveal 02 image is the highest energy. I choose the 02 and 03 structures, then insert 4 images between them. After adding 4 more images between 02 and 03 the...

05 June 2015 7,125 1 View

How can i get the cif files of all allotropes of boron?

04 May 2015 4,281 3 View

How does biaxial strain applied on a system?

Is biaxial strain apply on x and y direction? or it is different . Please anybody clear this doubt.

04 May 2015 7,572 2 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

(western blot) can methanol damage my antibody signal?

I accidentally rinsed with methanol after adding my primary antibody to my membrane. I noticed after ~10 seconds and immediately replaced it with PBST (3x15 min washes). Will my antibody signal be...

12 February 2021 5,824 3 View

Failed Chromatograms on HPLC-ESI Orbitrap?

Hello fellow researchers, I recently have a problem with an HPLC coupled to an Orbitrap mass analyzer. I usually use some protein mix to make sure the equipment is ready to separate and read...

09 February 2021 3,595 8 View

Concentration of DNA?

Hello everyone! Is a normal value 295.8 ug/ul for cDNA? If not what does it mean? Where is the mistake? The measurement was done with nano drop. Thank you!

09 February 2021 6,202 1 View

Why do my polyphenol measurements fail?

In order to measure the polyphenols in broccoli, we prepared a reagent for measurement using the following procedure. 1. Extract the crushed plant with 70% methanol. 2. Mix 1 ml of the extract...

07 February 2021 845 4 View

What is the reference value of THD in BLDC MOTOR speed control ?

i used to control EHO+ANFIS to MRPID to Landsman converter for bldc drive i got 7% but some of them are telling IEEE standards are < 5% is it correct for Drives ?

07 February 2021 5,892 1 View

How to calculate Total Phenolic Content and express it in mg GAE/kg?

26 January 2021 3,847 7 View

How to know the threshold limit value of a sar image...??

i want to do thresholding by segregation of water areas from non water areas for that i am using model maker in ERDAS but i am unable to get the threshold limit value of my image.

26 January 2021 8,277 1 View