What is the time a mycotoxin can be frozen ?

I have cow milk and soft cheese samples frozen. How do I secure the mycotoxin still pure with no alternate concentration? Should I analyze ? I will analyze it by affinity chromatography. Any other...

10 October 2018 8,277 9 View

Hello, I would like to know why is necessary a DNA methylase in the GeneArt Site-Directed mutagenesis system ?

I dont understand why is necessary to use a DNA methylase for the amplification step

28 May 2018 6,230 3 View

How to recover signal on long time postfixed tissue?

Dear all, I have mouse brain tissue perfused with PFA 4% and post fixed in formol 10% for periods between 2 month and 1 year. I cut them on vibratome (30um) and I made inmunohistochemistry and...

22 March 2017 6,386 4 View

Does anyone have experience in 'flipping an IT/ComputerSc. classroom' in HEI?

07 April 2015 5,241 4 View

Which is better for signal processing, phyton or it++?

I'm planning to use less time consuming programming languages/ libraries for signal processing. As far as I know it is possible to use phyton or It++ (DSP libraries based on C++). I've already...

21 June 2014 2,973 3 View

How to breed whiteflies (Bemisia tabaci)?

I need to establish a breeding for my project. Can anybody suggest a suitable book/paper dealing with this issue?

25 November 2013 885 5 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 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

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 View

Why anti-CD20 or other antibodies are not used to label target cells in flow cytometry t-cell cytotoxicity assay?

New to the field of cell therapy. Why fluorescent-labeled antibodies to target cell antigens are not used for determining target cell count by flow cytometry in cytotoxicity assay (eg car-t)? Cell...

21 February 2021 3,278 3 View

How to calculate time-averaged fields from Ansys CFX solver?

I would appreciate any comments on the following problem. I need to calculate mean fields (e.g. pressure, velocity and vorticity), for which I activate Trn Stats tab in CFX-Pre. However, what I...

21 February 2021 8,548 7 View

Which software is best to analyse multi-phase fluid flows ?

Hello everyone, hope all is good. I want to analyse multi-phase fluid flow through pipe, which software is best to do so ?

21 February 2021 4,230 8 View

Can anyone help with an Accurate Diffuser Expansion Loss formula for rectangular shaped diffusers in turbulent flow regime?

I have tried Idelchik's Handbook of Hydraulic Resistance 4th Edition (2007 page 300) formulas and across some range the formulas are reported valid for, the law of conservation of energy is...

20 February 2021 2,504 1 View