How to best measure room light with apps?

Hey! I am currently working with anxiety tests in animal models (light-dark box, elevated plus maze) and I am some trouble to check the room light (Lux). I have downloaded an app (Lux Light Meter)...

15 February 2021 3,830 3 View

Which statistical test when comparing 2 cell groups over time?

I need to compare the transport of a compound across 2 different cell lines (non-transfected vs. transfected) over time. My goal is to compare the mean transport between Cell 1 and Cell 2 at time...

08 July 2020 2,410 5 View

Does anyone has good references to "Organic x Inorganic CO2 in the atmosphere"? Volcanos x Burning fossil fuels?

I need more details and references about: the increase in carbon observed in the atmosphere is the organic origin CO2, not the inorganic origin CO2 released when a volcano erupts. Evaluation of...

19 March 2020 948 3 View

What is the most accepted probabilistic criterion considering frequency layers (fire) via distribution modeling?

fire index prediction

15 September 2019 3,112 2 View

How can I reduce size of Hidroxyapatite nanoparticles?

Hello everybody: Please I need to help me with this fact. We are making HAP ( hydroxyapatite) but we now need to make nano- HAP . Anybody known how we can reduce the size. The process is a...

21 March 2019 5,546 3 View

Which Polymerase high fidelity is best to detect mutations (PCR followed by Sanger sequencing)??

I am detecting mutations in virus genome, using PCR for 1kb followed by Sanger sequencing. GoTaq (Promega) works greatlly, but PCR with Pfu Polymerase gives a small amount of amplicon. I followed...

12 March 2018 4,553 4 View

Is there a way to solve the problem of "data below minimum" in my plotting?

And what does it mean when the first two peaks of my titration are endothermic? I'm titrating a substrate to a protein and it was supposed to bind but not react. The MicroCal PEAQ analysis tell me...

25 April 2016 2,676 1 View

Hi! Is there any software or app to built Venn Diagrams for big data sets (around 39000 elements in each set)?

01 October 2015 944 3 View

Why do I have a low RNA concentration using Trizol?

09 June 2014 7,318 3 View

How to model concrete with steel fibers - problem in tensile behavior?

Hello, I am trying to simulate a beam test (2D) according to EN14651 (according to the attached figure). In the middle of the beam, a 4mm downward displacement is applied in order to simulate the...

01 January 1970 612 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 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

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 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

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View