Runs of nucleotides in Sanger sequencing?

I performed site directed mutagenesis, transformation, and then I sent out plasmids for Sanger sequencing and found out that there is extension of DNA just before the stop codon. I am not sure...

27 February 2021 547 3 View

RNA-seq DEGs downstream analysis and reporting in literature?

I used EdgeR to get the list of DEGs (differentially expressed genes) from my liver RNA-seq experiment. I have done the gene overrepresentation and GSEA based pathway analysis. I am currently...

23 February 2021 8,969 1 View

What is the best method to evaluate and measure non-circulating estrogen levels in mice ?

Could anyone suggest me the best procedure to measure the circulating estrogen levels in mice ? I came across the general methods where it can be measured in serum or urine but a detail suggestion...

22 February 2021 4,352 2 View

Which is the best wavelength to study aerosol optical depth(AOD) related to climate reseach,which criteria must be adopted in choosing the wavelengh?

We are doing a study on impact of aerosol on precipitation. Which satellite data and which wavelength will be the best. or can some one suggest a criteria to be adopted to choose an instrument...

12 February 2021 6,324 3 View

Helicoverpa armigera eggs are not hatching in lab condition, why?

Dear RG friends, I am providing a complete H. armigera diet for larvae and maintaining the eggs in the growth chamber as well as in-room conditions. But since three months, eggs laid from the...

21 January 2021 5,546 32 View

Why am I getting 2 bands for Gibson Cloning Vector PCR?

Hi, I designed Gibson primers (2 primers for fragment and 2 primers for vector) using snapgene. Then I ran PCR separately for Fragment and Vector. Fragment DNA was found to be the correct sized...

11 January 2021 9,500 2 View

Was there any pesticide disasters other than Bhopal and Kasaragood tragedy around the globe?

Pesticides become prime compo in agricultural activities to meet the growing demand of the human population. But indiscriminate usage and mishandling led to two disasters in India such as Bhopal...

11 January 2021 3,790 7 View

Which is the most recent and updated classification of Class: Insecta?

Based on the many publications from several decades, we came across many classifications of Insects. Among them which one is more updated and approved classification that can be used for research,...

05 January 2021 3,668 9 View

Can we mix elemental powders of 325 mesh using an agate mortar and pestle?

Elemental Powders like Titanium, vanadium, tungsten, zirconium, hafnium.

04 January 2021 7,357 1 View

How can we say a species of insects got extinct?

02 January 2021 4,232 10 View

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

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Why are my bands weird in this Agarose gel?

Can someone please give me some possible things that could go wrong? Here is my recipe: 0.5g Agarose 50 mL of TAE 1x 1 uL ethyl bromide. Gel was run at 100V for 1 hour. The buffer used is also TAE.

01 March 2021 9,952 3 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

Why my agarose gel staining sometimes looks not homogenic but like gradient (see the figure)?

I am worried about this overexposure of the upper part of the gel in the picture. Is it possible that this is the result of too much concentration of ethidium bromide? Why is there such a big...

25 February 2021 8,140 3 View

Sanger Sequencing results not matching experimental results of Restriction Digestion, colony PCR and protein expression?

I have cloned two domains of a gene into two bacterial vectors using cut and paste cloning with different RE sites. I checked the putative clones by colony PCR and Restriction Digestion (fallouts...

18 February 2021 6,736 4 View

Tapestation vs Agarose gel following PCR reaction - what are the extra bands?

We recently have been moving away from using agarose gels and onto using the Tapestation (D1000 for PCR products). However, we have noticed that there are a lot of extra bands that show up on the...

15 February 2021 791 3 View

Which distance should I measure to calculate the voltage to use for my agarose gel electrophoresis?

Hi, I've been reading recommendations of which voltage to use for agarose gel electrophoresis and they are often given in V/cm, where the cm refers to the "distance between the anode and cathode"...

14 February 2021 6,463 3 View