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

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

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

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02 March 2021 3,060 3 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 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

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 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

Can someone suggest a way to prepare slides to observe under confocal microscope for observing fluorescent tagged proteins??

I am growing the cells on coverslips and transfecting the fluorescent tagged protein directly on them. Then i want to observe these cells under confocal microscope. Currently i am just using...

01 March 2021 6,142 3 View