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

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 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

Does anyone use antinuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples?

I am looking for anti-nuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples. Any suggestions highly appreciated. Thank you.

28 February 2021 6,512 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

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

How to interpret this FTIR spectrum of pyrolyzed hydrochar?

20 February 2021 2,840 3 View

What is error #2070 in gaussian.how we do resolve it?

We want to ONIOM calculation in gaussian16. However, gaussian doesn't work. What should we do? Atom 15 layer R linked to atom 85 is also bonded to atom 161 in layer M bad...

15 February 2021 7,766 3 View

What is the mechanism or interaction between Fe3O4 magnetic nanoparticles and biochar?

Lately there are many studies on biochar incorporated/loaded/coated with Fe3O4 magnetic nanoparticles. But I havent found any paper that describes the interaction or bonding between the two. How...

20 January 2021 3,162 4 View

Recognition of Molecules from a file containing molecular dynamics trajectory?

Can anyone recommend a good code/software/implementation to identify the change of molecules (bond creation/break, number of molecules at a given timestep, etc.)? I am currently working with XYZ...

12 January 2021 1,655 4 View

Polymer chain length? Coiled length and the extended length of an average molecule?

A sample of Polyethylene has an average degree of polymerisation of 1200. What is the coiled length and the extended length of an average molecule given the bond length is 0.154nm and the bond...

10 January 2021 6,942 3 View

What is the meaning of this error, "RWCPar cannot convert versions"?

I am trying for a TS calculation in gaussian-16W. Several times I tried but results same>. The end of the file it is the message. Can anyone help me to solve the problem? I am using...

07 January 2021 3,192 1 View

Is any way or method to seal agarose pad or channels fabricated agarose gel pad to glass slides as like we do plasma bonding with PDMS to slides?

Is any way or method to seal agarose pad or channels fabricated agarose gel pad to glass slides as like we do plasma bonding with PDMS to glass slides?.

04 January 2021 3,589 2 View