How can we detect over expression of a gene?

Sometimes some gene gets over expressed in organism, so which molecular technique can help us to detect the over expression of that gene?

06 July 2019 9,406 5 View

How many bands will I find if I run human extracted DNA through agarose gel electrophoresis?

Human bears separate 46 chromosomes. If we extract DNA from human sample then how many band will be visible on gel?

08 September 2018 6,350 5 View

Which is the solution used for pH meter sensor?

I need to know that which solution is used to keep the pH meter sensor wet. Some people say that KCl is used but which concentration and pH are better?

31 December 2017 5,670 3 View

How can we measure the band size that greater than 10Kb?

07 August 2017 3,413 2 View

Why do bacteria lose their plamids at normal condition?

Plasmids are extra chromosomal DNA of bacteria, but they have numerous functions for the survival and living of bacteria. It is claimed that bacteria lose their plasmids when they live without...

07 August 2017 3,918 9 View

Is it mandatory to culture Bacteria in an antibiotic rich medium before plasmid extraction?

It is claimed that bacteria lose their plasmids unless they are cultured in a antibiotic maintained medium. As a result a negative consequence will arise after plasmid DNA extraction. How will you...

07 August 2017 1,637 6 View

Where are the nod and nif genes of Rhizobia located?

07 August 2017 9,745 2 View

Is it possible to culture coffee plant in vitro?

Is anywhere it being tissue culture of Coffee plant in Bangladesh?

04 May 2017 4,613 2 View

What is selfish Rhizobia?

Somebody claims that there some selfish rhizobia which take benefits from the host but do not induced nodulation at the host. I did not get enough evidence about this. Could anybody help me by...

07 August 2016 3,089 6 View

Does Rhizobia take color from congured media (CRYMEA) after 3 Days?

31 December 2015 6,173 1 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Problem with shRNA transfection. Why are only two plates getting contaminated instead of all?

I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...

28 February 2021 4,949 3 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 View