Protein-aptamer gel electrophoresis help, please??

Hi, I have problems with running gel electrophoresis. I have tried agarose gel electrophoresis and native PAGE. I have two proteins, which have molecular weights of ~30kDa and ~180kDa and two...

03 March 2021 4,275 4 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Expression cloning by using cDNA,do I need to modify the cDNA first?

I am going to have a expression cloning of mammalian gene by using shuttle plasmid to transforming the E.coli However I don't know I should only inserting the Coding sequence ,or I can...

28 February 2021 5,440 3 View

I need dataset for recommandation system?

Hi every body I need to collect datasets from different source to work on recommendation system algorithms, could you advise me how collect data?

27 February 2021 7,063 7 View

How to estimate 2SLS with different instruments for different endogenous variables?

To be specific, I want to conduct an IV regression in stata with the following three equations. EQ1: Y1 ~Y2 Y3 X EQ2: Y2 ~ Z1 EQ3: Y3 ~ Z2 Both Y2 and Y3 are endogenous. However, Z1 and Z2 are...

23 February 2021 6,266 3 View

Which microtomy technique do you suggest for thin and delicate root sectioning ?And, how to preserve and process the roots before sectioning?

We have thin roots of from 1 year old different species of plants. We are looking into anatomical details of the roots. What's the best method to preserve and process the roots once they are...

23 February 2021 1,898 1 View

How to find out the problem of VMD software when i run it?

Hello I try to install and run the VMD software on windows 10 (64-bit).It doesn`t work and it is closed when I run it. I checked all of tutorials, videos and documents. But they did not work...

22 February 2021 8,211 3 View

Sample modeling in ABAQUS software and its relationship with the real world?

About crack modeling in ABAQUS: Mode I (pure-tensile cracking) and Mode II (pure-shear cracking), these assumptions may be accruing in theoretical approach (ABAQUS) not practical in Lab....

19 February 2021 6,156 1 View

Making my research papers available for readers?

17 February 2021 8,533 2 View

How does a freeze dryer destruct your solid sample?

Several times I lost my sample during freeze drying. There was no solid or powder in the vial after freeze drying. I'm sure sample contained solute because i took its NMR spectrum. I covered the...

15 February 2021 6,749 2 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

How can we estimate sample size for a moderated mediation analysis with more than two mediators?

How can we estimate sample size for a moderated mediation analysis with more than two mediators? I am looking for scripts, macros, syntaxes, that allow us to estimate sample sizes for research...

15 February 2021 6,813 3 View

In Abaqus, is it possible to remove elements which are too complex for meshing from a sequence obtained by getByBoundingBox() ?

Hello everyone, I'm trying to mesh a structure with complex partitions using mesh controls. When doing it on the user interface I'm first selecting all cells. In the following, I have to accept...

03 February 2021 8,198 1 View

Which Method of Statistical Analysis is best suit for making comparisons?

For the purpose of selecting the best one among the 4 design approaches, experimental video surveillance has taken. The dependent variable is the distance (meter) and the independent variables...

21 January 2021 4,936 7 View

How to calculate j-integral for 5 contours by abaqus script and retrieve the values ?

I mean I am looking for a code to retrieve the values of each contours and I have written the code below but It doesn't work... Jint= odb.steps['Step-1'].historyRegions['Assembly...

21 January 2021 277 3 View

How to add a single parameter in Ansys Additive Manufacturing Workbench parameter setting dialogue box?

Ansys 19.2 R2 and 2020 R1 versions of Additive Manufacturing Workbench is convenient for powder-based Additive Manufacturing processing. However, in this workbench, there is a machine parameter...

19 January 2021 3,017 2 View

How to script VMD tcl within bash script?

Greetings, I want to run a vmd script within my bash script. I am using the text only version of VMD for linux for my windows terminal ubuntu subsystem and I would like to generate code within my...

16 January 2021 192 5 View

Can anyone helps me with Autodock 4.2 scripts error ?

After opening the file, I operate command "Script" --> "Ligand Interactions" --> "Show Ligand Binding Site Atoms" and the warning appears as "This script displays ligands and surrounding...

15 January 2021 5,360 1 View