How to prevent getting fragmented villi structure in HE staining of small intestine sections?

I am trying to perform HE staining of small intestine. I used OCT solution to make sections. After HE staining when I look my slides under microscope, I do not get intact villi. In much of the...

01 February 2020 5,792 3 View

Is there any method to measure serum protein besides ELISA?

We are currently working on a cytosolic protein; however, we think that this protein also has a secreted form and can be detected in the bloodstream. As there is no ELISA kit available for this...

01 February 2020 302 2 View

Can stimulatory signal induce binding of two overexpressed proteins in HEK293T cells?

I want to study whether two proteins: Myc-tagged protein A and Flag-tagged protein B, interacts with each other or not. For that I co-expressed these proteins in HEK293T cells, and later (after 48...

01 February 2019 1,783 4 View

Can HEK293T cells be used to study non-direct interaction between exogenously induced mouse proteins?

I want to determine whether protein A and protein B interacts with each other by co-immunoprecipitation analysis. For that I prepared Myc-tagged protein A and Flag-tagged protein B plasmid DNAs. I...

01 February 2019 844 4 View

Do immortalized BMDM can be purchased commercially?

I am just wondering whether different labs prepare immortalized bone marrow derived macrophages (BMDM) in their labs. I have experience of preparing primary BMDM from mice femur, but have no idea...

31 December 2018 8,803 2 View

Endogenous IP vs expressed IP?

I have been working on two proteins. And I think that these two proteins interact with each other. To prove that, I analyzed there association by endogenous IP, but unfortunately I could not get...

11 December 2018 9,618 4 View

Why books contain only references but no citations?

Articles published in journals contains both reference and citation, while books contain only reference. Does anybody have idea about it?

09 October 2018 786 0 View

What is the function of EDTA in binding buffer for EMSA?

I just started to do EMSA to check interaction of a protein and DNA. When I checked the binding buffer used for EMSA, I found that EDTA is also used. I know that EDTA is a chelating agent, and...

04 May 2018 2,540 1 View

How can I increase the yield of primary microglia harvest?

I have been recently trying to isolate primary microglia from mice pups brain (P0-P1). To prepare mixed microglia culture, I used 3 brains for a 75 cm2 flask. After around 10-12 days, astrocyte...

03 April 2018 3,654 12 View

How can we increase Lenti-virus titre?

Currently, I am doing knockdown of certain genes by shRNA technique. We use lenti-virus for this process. The problem is that we are getting low titre. The experimental procedure is: Day 1: Seed 7...

04 May 2017 2,303 6 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

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02 March 2021 3,060 3 View

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 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