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

Why am I not able to use all VEP programs for the in silico analysis of avpr1b SNP's?

Good day researchers I am busy analysing the predicted effects of certain SNP's in AVPR1b. When using the VEP prediction programs (SIFT, Polyphen, FATHMM, LRT, Provean, Mutation Assessor, and...

28 February 2021 5,197 1 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

FDC and FRC cell populations in mouse spleen?

I was trying to isolate fibroblastic reticular cells (FRC) and follicular dendritic cells from mice spleen, but kept getting poor yield. I found from literature that the frequency of FDC is around...

17 February 2021 3,506 4 View

Unable to detect a truncated protein variant, but I can observe a truncated cDNA from Sanger?

Hi, so basically... I am trying to mimic a clinically observed condition wherein a frame-shift mutation happens only at one allele of the patients, giving rise to a truncated variant which evades...

17 February 2021 1,130 6 View

Why non-specific band appear on T-ARMS PCR?

Hi everyone. We want to know how can I remove the non-specific band amplification on this variant. Although the amplification of non-specific band is not as intense as the band that we want, but...

09 February 2021 588 2 View

Sequence of an unknown Oligonucleotide ?

Hi All, I do have a single-stranded oligonucleotide of 100 - 150 bases synthesized and the sequence is not known. How would I proceed to know the sequence .

04 February 2021 5,614 3 View

Help needed: How to map AA, AG, and GG genotypes on to polymorphism information?

Dear Colleagues, I am new to genes and genotyping and I need help. I am trying to figure our how AA, AG, and GG genotypes map on to A1 for DRD2/ANKK1 Taq1A polymorphism(rs1800497) and Val or MET...

02 February 2021 3,861 3 View

Why RFLP Digestion looks in this way?

01 February 2021 9,576 3 View

Using the Taqman PCR, how does one know which allele is being determined by VIC / FAM?

I am exploring a number of SNPs, unfortunately although the test are ok, I am perplexed because my preliminary results are nearly all against what is reported in the literature. To confirm my...

29 January 2021 3,905 2 View

How to extract a single stranded DNA from a double stranded DNA sample isolated from stem borer(rice affecting insect) ?

How to extract a single-stranded DNA from a double-stranded DNA sample isolated from stem borer(rice affecting insect)? As I need to amplify ss Dna using a COX-1 marker having primer sequence as...

22 January 2021 3,424 3 View