What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Are you interested in the conference 'Sport and crisis: bodies, practices, representations'?

Dear sport sociologists, you can find below the Call for Papers of the Conference - Sport and crisis: bodies, practices, representations. The conference will be held in a hybrid form at the...

30 November 2020 460 7 View

I can't make my RAPD-PCR work anymore. Can anyone help me?

Guys, I REALLY NEED HELP At the end of the last year I optimized every parameter of my RAPD-PCR, and as a result I did obtain great products multiple times. Then, I went home for my vacation (I...

18 February 2020 9,236 3 View

What else other than protein absorbs at 280nm in my sample when meassuring protein concentration at nanodrop?

Dear all, in our lab we are working on Outer Membrane Vesicles (OMVs). When we purify these vesicles we simply quantify the total protein content using nanodrop. Then we check the quality of the...

26 February 2018 4,800 10 View

Does anyone have or is aware of literature or data regarding the surplus power generation in solar and wind farms?

Hello, I am looking at possible ways to store and use the surplus power generation from renewable energy plants, solar and wind farms above all. I would be willing to collect some data first, so...

02 November 2017 6,830 3 View

How can I remove a low-copy plasmid from E. coli?

Dear all, in my lab we are working with E. coli. A couple of weeks ago we tried to remove a low-copy plasmid (pACYC) from one of our strains by simply growing it in the absence of the selective...

17 October 2017 9,398 2 View

How can I find out if variable A moderates the effect between variable B and C using SPSS?

I already proved a negative relationship between variable B and C, however my hypothesis in my research paper is that variable A moderates the negative effect of variable B on C. I read a number...

06 December 2016 2,698 4 View

How do endocannabinoids modify the immunohistochemical expression of CB1 (receptor) and FAAH (enzyme)?

The increase of the ligand increases the receptor and the enzyme or only one or the other.

14 April 2013 8,452 3 View

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02 March 2021 3,060 3 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 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

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 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

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

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28 February 2021 9,936 2 View