Can anyone suggest a numerical method to calculate perimeter of a contour in charge density contour maps?

Hi i have drawn the charge density contour maps using VESTA taking CHGCAR files from VASP. Now, What I Want is that I need to know the perimeter of each contour appearing in the cross section 2D...

04 February 2021 3,637 1 View

How can I calculate flat band with valence band and conduction band potential for P-type semiconductor from negative slop Mott-Schottky plot?

I have a lot of journals regarding finding out VB and CB for n-type semiconductors from Mott-Schottky plots where MS slope is positive but I cont able to find out VB and CB for p-type...

01 December 2020 6,198 1 View

How can I calculate valence band maxima of a semiconductor using XPS?

I just need to calculate the valence band maxima for a semiconductor which is actually in a heterojunction with another semiconductor. The motivation is to find the exact energy level of VB and CB...

01 December 2020 3,774 7 View

How can I calculate the composition and quantity of different types of calcium aluminates and sulphides from EDS analysis of inclusions in steel?

How can I calculate the composition and quantity of different types of calcium aluminate (CA6, CA2, CA,...) and sulphides (CaS, MnS) from the EDS analysis result of inclusions present in Al-killed...

07 August 2020 4,621 1 View

Do I need to normalise the RNA for qPCR?

Dear all, Do I need to normalise the RNA before making the cDNA for qPCR to find out the absolute quantification in copy numbers? Why? What logic behind it when the primers amplify the...

20 February 2020 5,886 3 View

What kind of connectors and how to connect it to my small patch antenna?

I have designed a microstrip patch antenna that has a dimension of 13 mm X 8 mm. The microstrip line width is around 500 micrometers. The substrate is not PCB or FR4, for some reason, I can not...

10 February 2020 7,478 6 View

Total DNA-PK immunofluorescence on M059J cell?

Is anybody has any experience on doing Total DNA-PK immunofluorescence on M059J cells. As far I know M059J has inactivated or truncated DNA-PK protein. But can it be detectable by IF with Total...

06 February 2020 6,057 1 View

deleted the question.?

----deleted the question.

22 December 2019 4,752 2 View

What exactly we can infer from Charge Density Difference plot of a Hybrid system?

Consider a Hybrid system with two crystalline materials A and B, where is A used as a base (or substrate) and B (say a 2D semiconductor material) on top of A. For this system, a computational...

27 September 2019 4,425 2 View

Problem with the WB-F344 cel line. anyone had any experience ?

for last two months I try to culture WB-F344 cell which was purchased from JCRB cell bank. As mentioned in the documents I cultured them with MEM including 10% FBS, but after 4-6 passage the...

06 January 2019 4,021 2 View

How does PEG lower the evaporation rate of water?

04 November 2020 4,643 6 View

How to quantify or determine success of Enzymatic PEGylation?

Hi, my name is Rossana and I'm a PhD student in Bioengineering. I'm running into the topic of enzymatic PEGylation, but one of my biggest concern is: once you have designed your experiment and...

13 October 2020 5,039 4 View

Are there any reasech on loteprednol etabonate microemulsion or nanoemulsion?

The API (i.e. loteprednol etabonate )has poor solubility in water but has excellent solubility in Transcutol P which serves as cosurfactant in my microemulsion formulation. But when I added water...

24 September 2020 417 3 View

How to harvest/collect nanoparticles from double nanoemulsions water in oil in water to obtain powder form for futher application?

Nanoemulsion droplets consist of inner core water soluble antioxidant covered with oil & outer layer consist of chiotosan. Please suggest how to collect its nanoparticles.

12 March 2020 6,348 1 View

How to get picture of water in oil in water double nanoemulsions samples from FE-SEM?

I have prepared water in oil in water double nanoemulsions samples .The formulation consist of sample extract 25mg + 4% oil + 2% Tween20 + 1% Chitosan(90% deacetylated). DLS results show Mean...

03 March 2020 3,715 4 View

Is there any affinity between the gold nanoparticles and cellulose acetate filter?

I tried to filter the gold nanoparticle with cellulose acetate, 0.45 um filter. The hydrodynamic size of my nanoparticle are about 100nm (you can see the DLS analysis of them). The gold...

09 October 2019 7,071 5 View

Can someone help with the selection of a Gravity flow gel-filtration column and media?

I am looking for solutions for purification of a PEG-DRUG conjugate. The conjugation is achieved with the help of DCC and NHS. The MW of PEG is 3.5 and 5 kDa and the MW of the drug is about 300...

09 October 2019 4,248 1 View

Is there any affinity between the gold nanoparticles and cellulose acetate filter?

I tried to filter the gold nanoparticle with cellulose acetate, 0.45 um filter. The hydrodynamic size of my nanoparticle are about 100nm (you can see the DLS analysis of them). The gold...

02 October 2019 7,224 7 View

Can someone help with the selection of a Gravity flow gel-filtration column and media?

I am looking for solutions for purification of a PEG-DRUG conjugate. The conjugation is achieved with the help of DCC and NHS. The MW of PEG is 3.5 and 5 kDa and the MW of the drug is about 300...

02 October 2019 6,000 1 View

How can I attach an amine group (-NH2) to a carboxyl group (-COOH)?

20 September 2019 5,256 5 View