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 would I get a "certificate of English approve" ?

I need a "certificate of English approve" for my manuscript to be published in a reputed journal. It should be from a native speaker.

04 February 2021 1,331 3 View

Are we really behind certifications for getting a better job or it is somewhere related to our self satisfaction or learning new things?

Certificate, Job, Self Satisfaction

26 January 2021 487 13 View

Who knows some kind of legal scheme for renewable energy certificates (REC, iREC, GO) integration requirements?

Who is a "central body" for renewable energy source certification and process implementation? Are REC, iREC, GO securities or there is another legal scheme? Is it possible to trade them outside...

21 January 2021 4,179 3 View

Is it easy to collect a conference certificate?

share your experience please.

01 January 2021 5,084 4 View

How can i published my full length thesis?

I have done a research paper for the partial fulfillment of my MA program at Bahir dar university "The nexus between ethnic federalism and ethnic conflicts in Ethiopia. the case of Meskan and...

31 December 2020 2,412 3 View

Alzheimer's disease - Amyloid-beta plaques - available drug?

Dear all, Is there any available FDA-approved drug that can disable the formation of amyloid plaques or attenuate the progression of Alzheimer's disease once plaque formation is initiated...

30 December 2020 9,505 1 View

Is the certificate getting from conference webinar is the same as the attendance certificate ?

Nowadays I have received a lot of invitations for attending conference online like webinar and get certificate and I am wandering about this certificate is the same for real attendence physically...

26 November 2020 5,344 4 View

The lucust swarm has come so destructive in East Africa; Ethiopia. We want help and information or advise the simplest ways of control!?

The lucust swarm has come so destructive in East Africa; Ethiopia. We want help and information or advise the simplest ways of control!? Everybody is running for control of this pest. But, who can...

17 October 2020 9,469 7 View

Does the Publons' "Academic publishing and peer review" course certification help?

Such as getting an invitation to be a reviewer

15 October 2020 6,791 12 View

What is the use of chemistry webinar certificates?are they important?

chemistry webinar certificates

14 October 2020 4,846 3 View