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

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

How to indicate the degree of litter decomposed by microbes?

Any technique could detect the degree of litter decomposed by microbes? Or any indexes could do this job? I want to split the contribution of microbes during decomposition, so any suggestions...

23 February 2021 1,362 5 View

In frequency domain alpha band(8-16hz), beta band(16-32hz), gamma band(32-64hz), sub-band(64-128hz) are same as LL,LH,HL,HH in wavelet decomposition?

I am working on single trial motor imagery data i.e. EEG data. I am following a paper which has a dataset from BCI challenge IV (dataset 2b). After removing noise and extracting all the data from...

23 February 2021 5,503 1 View

Can bio-decomposer be a successful alternative to reduce residue burning?

To maintain the proper crop plan most of the times there is not enough time to make the field ready for the next crop. In this particular context , can bio-decompser be a solution? What about...

16 February 2021 7,068 24 View

Molecular Dynamic Simulation error in GROMACS version 2020.1 (PME rank 2 are more than 2/3 times the cut-off). Is there any solution to this?

I'm running a protein-ligand Molecular Dynamic Simulation but getting the following error after hitting mdrun. Can anyone offer a solution to this? Thanks in advance. Fatal error: 66 particles...

03 February 2021 1,231 4 View

A problem with GROMACS 2020.3 ?

Greetings, I am trying to run GROMACS 2020.3 on a supercomputer using this command to do the production run: mpirun -np 24 gmx_mpi mdrun -v -s AB_md_0_1.tpr -deffnm AB_md_0_1 >...

17 December 2020 1,232 3 View

Hello researchers, can anyone help me with this Structural Decomposition Analysis (SDA)?

I am using Economic Input-Output Life Cycle Assessment (EIO-LCA) model I need to decompose this equation W= P*F* L* Yc* Yg to generate 120 forms. where W is a vector of total water withdrawal...

20 November 2020 4,194 3 View

How to amplify lignin degrading gene?

Hello colleagues, I would like to amply the lignin-degrading gene (i.e., LigX, LigY, LigZ, and LigW) from different types of soil. I have tried to find literature, but unfortunately, there are...

20 October 2020 9,654 3 View

Oaxaca decomposition interpretation - pooled method and reference category questions?

Hello, I'm using the Blinder-Oaxaca decomposition to study the wage differentials between males and females. I used logarithm or hourly wages to do that and reported the pooled method (is pooled...

18 October 2020 8,025 4 View

How do we interpret the findings of variance decomposition?

I am interested in studying the variance decomposition of VAR output. However, I have a problem with how to interpret the output of variance decomposition. Therefore, I expect the anwer or...

05 September 2020 4,593 3 View