Can I use G418 for selection of HEK 293 cell lines that already have a plasmid with kan and Hygro integrated?

I am doing a kill curve in HEK 293 cells with G418(0-1000ug/mL) and they don't die. They were previously transfected and selected with hygromycin and are integrated with a plasmid has also...

05 December 2020 3,232 3 View

Adaptability of frugal health care systems into developed markets - can someone share ideas on methodology for dissertation?

Hello! Hope everyone is doing alright during these turbulent and uncertain times. I am working on my masters dissertation (MSc International Management) and would like to answer the research...

05 August 2020 6,155 4 View

Do Transformational Leadership can be conducted qualitatively?

Most of the Transformational leadership study uses a quantitative method by doing a survey with an instrument that can be found. Is it possible to conduct it in a qualitative method, specifically...

16 July 2020 1,815 3 View

What is the best production evaluation method in an architectural design company?

I would like to know what is the most effective method to manage processes in an architecture company

29 April 2020 2,932 1 View

Dissertation topic for MSc International Management?

Hello, I am doing my masters in international management and looking for a research question related to start-up/ authenticity/ crowdfunding/ entrepreneurship & innovation to do my dissertation...

21 April 2020 5,222 23 View

What are the evidences of the AI's impact on the company's scalability?

How could we differentiate a usual scalability (organic or without AI technologies application) from an AI-impacted scalability of the enterprise?

27 August 2019 3,081 4 View

Plasmatic proteins solvent?

Can anyone suggest me a solvent to solubilize plasmatic proteins? I tried with formic acid, but was parcially disolved. Thanks

03 July 2019 10,030 2 View

How can I induce sickling consistently with sodium metabisulfite?

Hi all I'm trying to perform the procedure of sickling-induction in-vitro of peripheral red blood cells from sickle cell Townes mice, and I'm using 2% sodium metabisulfite. Unfortunately the...

20 January 2019 1,214 1 View

Hi, Is it normal when run PROCESS macro in SPSS for moderator (model 1) to get different results from when I run the linear regression in SPSS?

Could you please help me by giving me some advice on this? Thanks.

02 August 2018 2,012 2 View

Can I use at least 2% of fetal bovine serum in a transfection with Hiperfect?

I'm trying to transfect N1E-115 cells and the HiPerfect protocol advices not to add fetal bovine serum during the transfection phase. Unfortunately, my cells are dying without the FBS. Do you know...

23 October 2017 4,147 4 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

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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

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View