How to determine the false positive sequencing result?

Hello Researchers. I am conducting a study on the determination of WNV on mosquito samples. I run nested PCR. Bands were shown to almost all samples during carrying out gel electrophoresis. After...

17 January 2021 3,263 11 View

Difference between ECM Regression and CEC Regression?

What's the difference between the ECM Regression in the ARDL Error Correction Regression and the Conditional Error Correction Regression in the ARDL long run form and bound test as seen in EViews

02 December 2020 6,770 1 View

Why is it necessary to vortex and incubate in dark the sample and DPPH solution and other DPPH questions?

Hi all, In the determination of Antioxidant capacity of fruit samples, I used DPPH assay and have a few questions regarding the DPPH assay 1) why is it necessary to vortex and incubate in dark...

30 August 2020 246 3 View

What is the equation to explain how one possible organic side product is formed in the synthesis of 1-bromobutane?

And show the chemical properties window of this side product. Explain how this product can be separated from the desired product. I have already identified that the possible organic side products...

29 December 2019 6,170 4 View

Is there data related to in-vehicule ethernet network packets?

I'm working on machine learning applied to ethernet in-vehicle networks, the problem is that most of the simulators and datasets generated are related to CAN networks. If anyone knows a simulator...

25 November 2019 8,768 1 View

What makes certain journals discontinued from Scopus?

What makes certain journals discontinued from Scopus? I found that journals that in the least quartiles (Q3 or Q4) have tendency to be discontinued from Scopus. Is it due to the lesser citation...

16 November 2019 7,844 5 View

Is it typical for phenol red to fade over time during cell culture?

I am incubating cells in RPMI in a CO2 incubator at 37C and 80% RH. The phenol red started as a pink color and after 24 hours in the incubator it has faded. The color is more or less the same,...

02 July 2019 314 2 View

What could cause high cytokine expression in untreated PBMC cell culture?

I am treated PBMCs with various compound to observe cytokine expression using ELISA, however, I am getting high expression in my untreated control cells as compared to my media-only control. I am...

05 June 2019 2,125 13 View

Why does the collection of cell culture supernatants need to be performed at 4C?

I am using cell culture supernatants in an ELISA. The cells are incubated at 37C, centrifuged, then the supernatants are used in an ELISA at RT. Why does the supernatant collection need to be at...

04 June 2019 8,571 3 View

What is insoluble in chlorform methanol solution?

I incubated plant material grindate in chloroform:methanol 2:1solution then filtered it to remove the lipid layer. What is left in the insoluble material? Carbohydrates and protein? and is...

06 May 2019 4,509 2 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

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

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28 February 2021 9,936 2 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

When is it unnecessary to change organisational culture?

As a former management practitioner, I recall a generally accepted view that changing organisational culture is difficult, so you should only attempt it if the organisational change that you are...

27 February 2021 2,595 8 View