Regarding thin film coatings ?

I am trying to deposit Titanium monoxide (TiO) on glass using thermal evaporation technique and sometimes i am getting the bluish colour coating ,some mixed with golden shade and sometimes mostly...

04 March 2020 134 4 View

Are there any algorithms to realize Graphs from fundamental Cut-Set Matrix ?

The problem is to realize or find a graph (i.e. say adjacency matrix) given one fundamental cut-set matrix. I know that this problem is not complete, since we run into the problem of...

27 January 2020 5,447 1 View

How to remove heteroskedastic in a variable? , I took the log of the data but that does not work.?

I am working on time series data . I have to run VAR model. one variable is creating heteroskedasticity in the model. i have taken log of the variable but it is not removed yet . is their any...

01 August 2019 1,690 11 View

Whta is the output force filed in the topology from Acpype?

Dear all, I generated topology of a ligand (ATP) using Acpype which gave me the topology file topol.top and conf3_GMX.itp. I'm writing a report and confused as to what I should write in the...

03 April 2019 5,025 3 View

How to get an OPLS-AA topology for ATP(Mg2+) complex?

Dear all, I want to generate the topology for ATP(Mg2+) complex using OPLS-AA force field. For only ATP i used Acpype and it worked but when I used ATP(Mg2+) acpype is not working, that's...

28 January 2019 3,076 4 View

Where to get the structure of ATPMg+2 complex?

Dear all, Where can I get the structure of ATPMg+2 complex for my simulations? I need a starting structure for my MD simulations. Thanks and Regards, Raghav

17 January 2019 4,217 2 View

How to use gromacs pdb2gmx for ATP molecule?

Dear all, In gromacs tutorial its written that pdb2gmx can be used for cofactors like NAD(H) and ATP, my question is how can i use it on my pdb file of ATP molecule. Do i need to change the...

07 January 2019 523 5 View

Three Dimensional Fluorescence Spectroscopy not giving expected results?

Hi, I wanted to study the conformation changes in BSA using Three dimensional fluorescence spectroscopic analysis in a spectrofluorometer. I am using BSA (10 uM) for this analysis and my...

05 February 2018 1,260 4 View

Can any one explain how to calculate the values of tension stiffening curve for abaqus input (concrete damaged plasticity)???

i m modelling a 2D beam in abaqus, the model is nonlinear . i want to study the crack propagation and its mechanisms due to applied load . in material section(in abaqus) i have used the concrete...

17 February 2016 2,545 2 View

How can I know the shrinkage percentage in 1700 deg. C small furnace when adding zirconia tubes?

I have a small furnace which can take a maximum 1700 deg C. Now, I have made a tube made from stabilized zirconia and filled the furnace with the tubes symetrically. Now, I heat the tubes for...

04 August 2015 2,991 6 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

How to handle studies which report perfect effect sizes in a meta-analysis using Pearson's r?

I'm in the process of updating a meta-analysis and in one of the new studies, effect sizes are reported as Tau-U. Two of the effect sizes are reported as Tau-U = 1.00. I am using Andy Field's...

24 February 2021 2,265 3 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

How to determine a priori sample size for t-test with unequal means?

I need to conduct a a priori sample size determinations for t-test with unequal means, but I don't know the sizes of the groups nor the ratio of both groups... Can I do a sample size determination...

24 February 2021 8,289 3 View