Western blot protein of interest falling at a lower weight than expected?

My protein of interest is DAGLa (115 kDa). We received the antibody for this from another researcher who reliably shows bands at this weight. We do see a light banding at this weight, but the...

11 February 2021 6,009 3 View

The use of n-of-1 studies for rehabilitation / therapies (i.e. non-drug/medicine studies)?

Hi there, I am eager to hear from researchers or clinicians who have used n-of-1 studies for the above purposes. They seem to offer advantages over many other study designs, particularly for when...

26 October 2020 328 5 View

PLS-SEM or CB-SEM after qualitative work?

Hello, My research team completed extensive interviews/triads with participants on various topics. The quantitative survey is the next step in our process. From that survey we want to prioritize...

13 August 2020 828 5 View

Are there examples of non-native insects that respond negatively, or neutrally, to anthropogenic disturbance?

I've combed the literature, but am having a hard time finding any examples. Specifically, I am looking for any examples of non-native insects that respond negatively, or neutrally, to...

30 July 2020 8,920 6 View

Nanotechnology question. Getting rid of solvent after LNP formulation?

I'm dealing with really micro volumes and I'm trying to figure out if there are other efficient methods aside from dialysis to get rid of residual solvent for LNP purification. And if not, are...

25 May 2020 6,377 1 View

Why is SDS-PAGE incorporated into Western Blot over native PAGE?

I know both can be used, but why is SDS-PAGE "preferred"? Does it have to do with cross-reactivity?

29 March 2020 6,000 5 View

Do anyone have the experience of testing creatinine (kidney function) by using HPLC?

In my experiment, I want to use serum (mouse) to test the creatinine level via HPLC. 1. During the preparation, I centrifuged the whole blood, and then transfer the supernatant (which is serum)...

17 February 2020 9,679 2 View

If two drugs activate the same apoptotic pathways, can they have an antagonistic effect?

Hello! I'm testing the photochemotherapeutic potential of a drug in vivo. It turned out that treatment with the prodrug caused an effect that was similar to the effect obtained after...

10 February 2020 3,001 3 View

How do you conduct a factor analysis with Multiple Imputation Output in SPSS?

I am working on my doctoral dissertation and have hit a road block with my factor analysis. I used multiple imputation for missing data (n=198 with 5% missing data), but now I am unable to figure...

05 February 2020 6,437 3 View

Why does my analysis keep excluding one of the classes?

We are analysing data on a cluster randomised control trial. We have treated the clusters (classes, N = 8) as fixed effects, thus dummy coding to create 7 different variables. This is because we...

04 February 2020 9,301 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

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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

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

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