A549 and MDCK which cell line is better if i want to do some research about H9N2 ?

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How to purify a special lipid, such as cholesterol and phospholipids?

How to purify a special lipid, such as cholesterol and phospholipids? I need to purify the whole cholesterol in the blood to the exclusion of other lipids. Is there any special molecules to purify...

04 May 2019 7,140 4 View

Which laptop configuration should i choose for bioinformatics?

which laptop configuration should i choose for bioinformatics? I'm going to study the bioinformatics. But, the professor told me that my laptop isn't suitable for bioinformatics. Therefore, i...

11 December 2018 7,112 0 View

Can SDS-PAGE detect monomer and polymer?

Can SDS-PAGE detect monomer and polymer? If it can, DTT should be added prior to load in gel?

05 June 2018 3,830 1 View

Which concentration of the Bis could the native page need?

The PI of two proteins are 4.96 and .4.86 and the MW of them are both roughly 15KD. Which concentration of the Bis could the native page need? How about the voltage when running？

05 June 2017 9,422 3 View

What is the white cloudy precipitation after lysing HEK-293T cells?

What is the white cloudy precipitation after lysing HEK-293T cells? My lysis buffer is composed of 1%NP-40, 150mMNaCl, 50mMTris, 5mMEDTA. After lysing 30min and centrifuge at 1,2000 *g with 30min,...

04 May 2017 469 0 View

Why CHAPS cannot solve in water after shaking?

I added 1 g CHAPS into 100ml water and shook it. However, it didn't become clear. Why? How could i do to obtain a clear 1% CHAPS?

10 November 2016 6,389 0 View

Could native page detect tiny mobility changes?

My protein is 25KD and its pI is 5.5. How much concentration of my native page could be? The native page could deter the tiny mobility changes? And which is the right running buffer, 0.5*TBE or...

10 November 2016 8,133 0 View

How much concentration of CHAPS can i use in lysis buffer?

How much concentration of CHAPS can i use in lysis buffer？ I would like to purify protein. But only CHAPS is compatible with mass spectrometry.

10 November 2016 6,631 3 View

Could cells from proliferation express the plasmid which i have transfected?

Could cells from proliferation express the plasmid which i have transfected using Lipofectamine2000? What about the mechanism?

08 September 2016 8,367 0 View

Could I get a high yield human protein production in MDCK?

Can I get a high yield human protein production in Madin Darby Canine Kidney(MDCK)? Which factor should be focused on if I choose a cell line to yield human protein production? Why people choose...

04 May 2016 4,670 3 View

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 View

Could it be a cell culture contamination?

Hello everyone! I observed in my culture (htert-RPE1 cells) an orange- red particle at the bottom of the dish. It is visible to the naked eye as a very very small red dot. Could it be a...

09 August 2024 2,824 3 View

Is there any way to quantify bacterial and fungal cells in their mixed culture?

I am working in fungal fermentation of soybean meal and there is bacterial growth in them at times. I am trying to quantify fungal cell counts and bacterial cells; but I haven't been able to do at...

07 August 2024 7,535 4 View

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 4 View

Why activated CAR-Jurkat cell could not kill targets?

Previously when I co-coluture anti-CD19(FMC63) CAR-Jurkat with Raji with E:T=5:1, Jurkat can eliminate Raji in 24h. However, when I test another CAR construct, although I can dectect totally CD69...

06 August 2024 641 2 View

How to isolate lymphocytes from mouse spleen?

I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...

04 August 2024 9,913 7 View

How to Add Missing Water Molecules in Protein-Membrane Simulations?

I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...

04 August 2024 1,200 2 View

Does long-term culture of murine Monocytes result in macrophage differentiation?

Hi, I am isolating monocytes from the bone marrow using the Mouse Monocyte EasySep kit. I want to treat these cells and monitor expression of specific markers over the course of 10 days. I will...

04 August 2024 7,282 2 View

To perform transfection with DharmaFECT Duo in AGS cells. Could you tell me what the ideal concentration is to avoid significant cytotoxicity?

I would like to perform transfection with the reagent DharmaFECT Duo (Horizon) on the AGS cell line. Could you please inform me of the optimal concentration to use without causing cytotoxicity in...

03 August 2024 3,851 1 View

Can i quantify a nanoparticle encapsulated in cell culture medium by hplc?

Hello, if you made a transwell assay where you incubate the cells with a nanoparticle-encapsulated drug and considering that in the oposite compartment you'll have both the free and encapsulte...

03 August 2024 2,730 1 View