Why stop the reaction in ice for the fluorescent probe FDA (fluorescein diacetate)?

Hi, In literature I noticed that who stains haemocytes with FDA for 30 min then stop the reaction in ice while this does not apply for 15 min incubation time (or maybe authors did not write this...

08 February 2021 3,366 3 View

Which is the importance of fixing (e.g. bivalvia) haemocytes and use anti-clotting solutions in flow cytometry?

I am trying to optimize a flow cytometry method to characterize mytilus spp. haemocytes. In literature I found that someone, to avoid clotting, use anti-clotting solutions or dilute and fix the...

05 November 2020 2,522 4 View

Has any of you encountered issues with protein production in a E.coli cell-free protein expression system?

I'm having trouble synthesizing a mollusk 173 aminoacids protein of unknown function in a E.coli cell-free protein expression system. The positive control works well and the plasmid has been...

01 October 2019 8,829 7 View

How I could set up a lipoplexe-based transfection protocol and compare data with commercial Viromer Red transfection reagent?

I am new in the field of transfection and I'm having a lot of problems in setting up the protocol with LIPOPLEXES in order to compare data previously obtained using Viromer Red protocol on THP-1...

13 November 2018 3,545 1 View

How to store a purified protein before a kinase assay?

23 September 2013 8,697 1 View

Is it possible to position the HA taq not at the extreme end of a protein and visualize the taq-protein by Immunocytochemistry?

06 June 2013 5,942 9 View

What are the best antibody markers to detect and quantify the circulating endothelial cells and progenitors by flow cytometry?

CD45/CD31/CD34/KDR or CD45/CD31/CD146/CD133? Or both or neither?

18 February 2013 1,958 2 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

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02 March 2021 3,060 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 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