Can we extract exosomes from stool using the Norgen Urine Exosome Purification kit?

After dilution of Fecal matter in PBS, the technician used the Noregen Urine Exosome Purification kit and RNA extraction. So my basic question is: Do you think we've got actual exosomes or just...

31 December 2019 7,685 2 View

Any good simple protocol for reverse transfection using lipofectamin 2000?

I want to transfect pGL4 plasmids in epithelial cells.

11 December 2016 2,575 0 View

MiRNA mimic and inhitors... Exiqon or invitrogen?

Exiqon, we don't need a transfection agent! Any thoughts?

09 October 2016 1,603 2 View

How to concentrate exosomes?

I have isolated exosomes using a kit, but diluted it in PBS too much, I need it more concentrated for cell treatment. Any suggestion on how to concentrate the exosomes with and without...

05 June 2016 2,618 3 View

Any suggested ONLINE-FREE application/software for the analysis of relative gene expression using Ct values on real-time PCR?

I have hundreds of samples and could not find a useful software or application that I can use.

08 September 2015 562 0 View

How can I know the exosomes concentration out of the "particle per ml" nanosight data?

for example I have pure exosomes with average size of 51nm and with a concentration of 230.5E8 particles/ml. Can I get a concentration of the "proteins" levels?

01 January 1970 4,042 1 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

MiRNA qpcr problem?

Dear All, mirna primer showing some problem in the melting curve? any idea why? As attached is the melting curve. The forward sequence is obtained from miRBase and reverse primer is universal.

28 February 2021 5,008 4 View

Can MicroRNA cross the blood brain barrier?

In diseased conditions, many genes and gene products are visible in the bloodstream. So my question is whether we can find traces of microRNA which is involved in disease and disorder in blood serum?

24 February 2021 7,064 3 View

Alternative to mediation analysis?

I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....

21 February 2021 8,609 1 View

How COVID-19 has affected mental health?

The pandemic has led to depression and anxiety and its negative effects shouldn't be ignored. However, it has also led some people to become more resilient! What do you think? Thank you.

21 February 2021 4,733 19 View

Are exogenous molecules transferred between human cells during doubling ?

Hello RG community, I wonderer whether exogenous molecules (e.g. reporter plasmids, miRNAs or other artificial molecules) are transferred between cultured human cells during their doubling ? So,...

21 February 2021 6,633 3 View

Has anyone succeeded in capturing uranium atoms in a fullerene structure?

Additional questions are: What are the encapsulating atoms? How difficult was the process and what rates were achieved? What factors most seriously affect the economics?

20 February 2021 3,134 5 View

Has anyone encountered any problems with abm good microRNA primers for quantification of mature miRNAs?

I've been trying to quantitate mature microRNAs in 293T cells with and without 'X'. 2ug of total RNA (isolated by Trizol method) is converted to cDNA using All-in one microRNA cDNA synthesis kit...

17 February 2021 8,986 2 View

Do you think NCC and 3 year service at army base must be compulsory to make the students loyal and discipline to the nation?

Decipline and loyalty for nation is the need of today.

09 February 2021 6,928 3 View

Professional editing and proofreading services?

08 February 2021 7,901 6 View