What is the main purpose of using of 5X DMEM media during cell culture?

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After deproving the nitrose cellulose membrane is it give a reliable result ?

Many lab deprove the old nitrocellulose membrane and again incubated with new antibody. I am little confused about the new and reliable result by using the old nitrocellulose membrane .is it give...

04 May 2018 4,883 4 View

anybody has the experience to use the safety cabinet UV light for inducing the cellular ROS ?

I want to use the safety cabinet UV light for inducing the cellular ROS. Needs experts suggestion to use the safety cabinets UV light. is it good choice for UV induced cellular ROS ?

04 May 2018 2,282 0 View

Has anyone checked Nf-kb P65 phosphorylation after 1hour at 5 µg/ml concentration of LPS induction?

I already checked in Raw 264.7 macrophages cell line .But i didn't find the Nf-kb p65 phosphorylation band .if anyone has suggestion how can i get the Nf-kb p65 phosphorylation band ? 1.Should i...

02 March 2018 4,891 8 View

Problems of SDS-PAGE making gel?

Is there is any running problem within a irregular separating gel? I am having this problem during making separating gel.Sometimes it smooth and regular base but sometimes it has irregular shape....

01 February 2018 4,040 8 View

Has anyone checked Nf-kb P65 phosphorylation after 1hour at 5 µg/ml concentration of LPS induction?

I already checked in Raw 264.7 macrophages cell line .But i didn't find the Nf-kb p65 phosphorylation band .if anyone has suggestion how can i get the Nf-kb p65 phosphorylation band ? 1.Should i...

01 February 2018 2,281 0 View

Can anyone tell me how to cell will be prepared for antioxidant assay like Gpx ,catalase and SOD assay?

According to Company protocol i extract the cell by using the assay buffer but the antioxidant protein was too low. How can i prepare my cell extraction for assaying the antioxidant enzyme.

09 October 2017 7,559 2 View

Which fibroblast cell line should be used in the study of rheumatoid arthritis?

I want to use the normal synovial cell line in the study of Rheumatoid Arthritis. I need some convenient synovial fibroblast cell distributor.

04 May 2017 9,959 0 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

What precautions should be taken while handling S. aureus enterotoxin Type B in the lab?

I would like to understand potential safety concerns while handling SEB in the lab. Especially while working in animal house facility. Would like to know precautions for handling. Sigma MSDS...

07 August 2024 6,034 3 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 much total RNA concentration to be extracted from sorted plasma cells from bone marrow of C57BL/6 mice for RT-PCR ?

i have sorted anti-NP specific plasma cells from bone marrow of C57BL/6 mice at certain times after immunization with variable counts and isolated total RNA using TRIZOL method for RT-PCR using...

05 August 2024 8,835 1 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

The Curse of Evolution and Complexity?

Brain and body mass together are positively correlated with lifespan (Hofman 1993). The duration of neural development is one of the best predictors of brain size, and conception is the best...

05 August 2024 6,247 3 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