Do you recommend an effective anti-OCT4 Ab for IHC?

I'm staining some brains with several stemness markers but the OCT4 antibody that I have been using is not working. I would really appreciate your recommendations! Thank you!

25 January 2021 3,169 3 View

Why does bromophenol blue band seem to split up during this SDS PAGE run?

06 January 2021 7,788 4 View

Why do I keep obtaining the same secondary PCR band along with the specific product band?

Hello everyone! I need to amplify a specific DNA fragment in order to do Sanger sequencing for the detection of a point mutation in human patients. The fragment is in an exon of my gene of...

25 December 2020 1,805 3 View

How is possible that only a small percentage of bromophenol blue started the run in agarose electrophoresis ?

I used an 1,5% agarose gel for a second time and I loaded in the wells that I never used 15 microlitres of sample (constituted of 3 microlitres of bromophenol blue 6X, 6 microlitres of sample and...

07 December 2020 1,373 3 View

Is it correct to expect the same quantitative result between SDS-PAGE and BN-PAGE analysis performed on the same sample?

Please, can anyone please help me with this issue? By BN-PAGE and western blot on DDM-solubilized mitochondria, isolated from cultured cells, I found that in treated cells the amount of CV...

05 December 2020 7,696 2 View

How can I calculate degrees of freedom and write F for repeated measure ANOVA?

How can I calculate and report degrees of freedom for repeated mesure ANOVA? I have 48 observations N=48 and 2 factors of 3(P) and 8(LA) levels. I calculate degrees of freedom as follows: dF P =...

19 November 2020 5,682 5 View

Can the ramp rate of a Thermal Cycler machine influence the PCR result?

Hello, I am running PCR for genotyping. I didn't have problem till this Summer, when I couldn't see any band on the gel. I checked primers, Taq, etc. I bought new stocks etc. But still I can't...

16 September 2020 7,660 5 View

How to clean platinum/iridium single electrodes for re-use?

Hi, I will buy platinum/iridium electrodes, for single unit recording and stimulation. Since I am going to re-use them in several sessions: 1) How can I clean them? 2) Should I buy some equipment...

03 April 2018 5,828 6 View

Single electrode MICROMANIPULATOR. Which is the best?

25 March 2018 4,179 2 View

What approaches exist to determine changes in glycosylation patterns in the transformation process of a cancer cell?

27 May 2017 9,752 3 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

IHC on mouse liver hepatocytes?

Can anyone help me choose primary antibodies for mouse liver hepatocytes and also in conjunction Cd8 cells. Also Cd3 cells. I want to look at hepatocytes and adjacent immune cells in mice with...

01 March 2021 6,953 1 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How to avoid ulcers in s.c. injected tumors ?

Recently, we have injected s.c. B16F10 tumor cells in BL/6 mice. At around 12-15th day some animals showed ulcerations in tumors , with a big hole in the middle (it looks like a volcano). We have...

01 March 2021 9,938 3 View

How does an antibody have full intact antibody + half antibody?

Hello, I was just wondering how does a antibody have full intact antibody + half antibody? Is it because of the drug conjugation?

28 February 2021 1,577 1 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 View

Looking for genomic DNA extraction kits from mouse tissue (centrifuge-based, not spin-column)?

Hello. I am looking to extract genomic DNA from mouse brain and lungs and I need a kit that is not spin-column based because I need to scale up the solution amounts for 400mg tissue (most cap at...

25 February 2021 155 2 View

How do I choose contrasts in SPM8?

I am learning how to use SPM for PET and PET-MR analysis, but I haven't found any great resources that explain how contrasts work. I have a series of PET images where our hypothesis argues that...

24 February 2021 1,534 2 View

What are the pros and cons for mice versus rats?

Hi Everyone, I am designing a pilot study using rodents to assess the effects of simulated space environments (radiation + altered gravity) on microbiome and immune system. I have limited...

24 February 2021 1,825 3 View

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...

24 February 2021 1,243 1 View