What is the best way to manage Western blots?

Increasingly, more articles are being retracted because of duplicate or otherwise dubious Western blots. Consequently, journals are asking for original Western blots and authentication of...

23 February 2021 8,609 3 View

Describe a serious ethical dilemma you have experienced. Use the 12 questions developed by Laura Nash to offer a solution to the problem?

Describe a serious ethical dilemma you have experienced. Use the 12 questions developed by Laura Nash to offer a solution to the problem.

21 February 2021 9,133 2 View

How to perform Haldane correction on SPSS?

I was wondering if anyone knew how to perform the Haldane correction for SPSS (this is the definition of the correction -...

21 February 2021 2,882 1 View

Is it possible to quantify recombinant protein in the supernatant using SDS PAGE ?

I would like to quantify a recombinant protein (with native signal sequence) secreted by Pichia pastoris using the SDS PAGE. Since my standard protein (plant origin) is not pure, I would like to...

07 February 2021 3,880 9 View

How to analyze dendritic spines from tissue (Prelimbic cortex)?

Hi there, I am trying to measure dendritic spines from mouse fixed tissue, specifically, I am looking at the prefrontal cortex. I injected the PrL with a lentivirus to knock-down my protein of...

27 January 2021 9,251 2 View

High throughput screen to identify drug induced cell death mechanism?

So I am working with a drug that we know induces cell death in MDA-MB-231 cells. In other cell lines we have been able to identify that this drug induces ferroptosis. I have also done experiment's...

25 January 2021 3,587 3 View

How can I carry out analysis of pulp and paper properties according to Tappi standard method in the Lab?

Properties such as relative humidity (T 402sp-03), brightness and yellowness (T-452 om-02), whiteness (T-560 pm-96), opacity and absorption coefficient (T-425 om-01), tensile, breaking length and...

24 January 2021 308 3 View

PROCESS V3.5.2 macro for SPSS variable name length limitations?

I just installed PROCESS V3.5 in SPSS and am receiving the follow error when I try to run a model: ERROR: Variable names should be no more than eight characters in length. I don't recall...

11 January 2021 3,448 4 View

What is the kinetics that Cr6 on the surface of the soil will preferably exchange with the charge on the surface of the iron oxide nanoparticle?

I am researching the application of iron oxide nanoparticle in the removal of heavy metal (Cr6) from soil

10 January 2021 3,167 3 View

Can anyone direct me to where I can find the X-Ray elastic constants for WC-Co or just WC?

I have searched all over the internet and I seem not to be arriving at its value. I need this value to perform some XRD measurements. Any help would be greatly appreciated.

05 January 2021 916 1 View

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02 March 2021 3,060 3 View

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28 February 2021 9,936 2 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

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

Has anyone experienced changes in growth for cell culture when purchasing media from different companies?

I recently switched the company where we buy our DMEM/F12 and i have noticed a signficant change in growth for my human olfactory neurosphere cell lines

24 February 2021 2,268 3 View

Can cells be reused after using WST 8/ CCK 8 from Sigma Aldrich?

Hi all, Can cells be reused after I have seed them onto 96 well plates and test them with cell counting kit at OD450 (CCK8) at 12 hours, wash them with PBS x3 and add new media and let them...

24 February 2021 5,072 1 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 View

How can I stain the somatodendritic part of inhibitory neurons in a hippocampal culture with high specificity?

I would like to distinguish the somatodendritic part of the inhibitory neurons in a hippocampal culture (where we expect to have 5-10% of GABAergic neurons). What are the best antibodies and...

23 February 2021 6,756 1 View