How to calculate the internal pressure of a riser pipe?

I am designing a riser pipe for use in ocean down to depths of 5km. Polymetallic nodules are pumped from the seabed to the surface. For my FEA and CFD analyses I need to input a maximum pressure...

06 February 2021 2,803 3 View

Looking for an Electronics Engineer working in the field of Materials Science?

Hello, I have an assignment in my material science class that requires us to interview an electronics engineer that practices material science at work. I heard manufacturing engineers at...

16 November 2020 9,318 3 View

Magnetite ultrafine powder supplier?

Looking for a supplier that has 25 micron max particle size as an available option. Found one, but they won't even sell us a sample because they don't think it will work for us. Crazy! All I...

24 August 2020 2,752 5 View

What kind of research topic for industrial engineers take at the time of COVID 19 ?

As we know in this pandemic, everything seems quite hard to control. I hope the researches could discuss and share their thoughts for researching at this time. Especially related in Industrial...

27 July 2020 2,360 7 View

GFP antibody for flow cytometry?

Hello, I have been trying to detect the YFP expression in my YFP-tagged mouse model with anti-GFP antibody for flow cytometry. My question is, is this normal to observe a shift in GFP expression,...

23 July 2020 4,300 12 View

Any recommendations of journals to publish bacterial genome announcements?

I am looking for a journal to publish microbiological/bacterial genome announcements for now and in the future.

17 May 2020 3,010 8 View

Is it okay to use latent variables in the SEM model that have different constraints than CFA for individual latent variables?

I am conducting a structural equation model with three latent variables containing three indicators each. The latent variable CFA's are significant with constraints on 2/3 indicators, but the SEM...

28 April 2020 3,275 4 View

Is secondary fixation necessary for processing plant materials for SEM?

I am trying to create a protocol for several fixation methods for Scanning electron microscopy. using FAA, glutaraddehyde and ethanol as fixatives.

11 November 2019 7,215 1 View

Why won't my freshly isolated primary turkey hepatocytes attach?

We use a collagenase perfusion method to isolate hepatocytes from turkeys. We are culturing them in monolayer with the ultimate goal of using them to evaluate drug metabolism. The experiments were...

03 October 2019 5,662 1 View

What are the stylistic conventions for literature reviews in interdisciplinary papers that use grounded theory?

If you are using grounded theory to extract patterns from your data and you find data that correlates with pre existing theories, is it acceptable to add them to your results and section, or...

09 February 2018 9,160 3 View

What is the UV-vis spectroscopy and HPLC UV detector?

I did spectrum scan to levothyroxine sodium which show highest absorption at wave length=230nm which the absorption =0.136 and it's absorption at 225nm =0.047 but when Injecting it on HPLC...

09 February 2021 1,631 3 View

How to determinate phosphatidylcholine content in cow milk?

I would like to determinate the phosphatidylcholine content in cow milk. We only have a Shimadzu Prominence HPLC (High Performance Liquid Chromatography) with a fluorescent detector for the...

18 January 2021 8,370 6 View

Does different HPLC's give different peak areas?

Hello, we recently acquired a shimadzu HPLC and started our analysis through it. What I noticed usually is the peak area of our samples are very different compared to the results got from our...

03 December 2020 610 4 View

Interpreting and troubleshooting anomalous HPLC results?

I am running a simple isocratic Shimadzu HPLC system coupled to a fluorescence detector to detect and quantify biogenic amines from in vivo samples. But my results are not as expected and I'm...

10 November 2020 7,027 5 View

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08 November 2020 7,455 5 View

How to get rose gold coat by using cathodic arc deposition method?

Dear scholars, I decide to deposit rose gold coat by using cathodic arc pvd. my target is Ti and the gas is acetylene, nitrogen and argon. I really want to know the deposition parameter and...

17 July 2020 1,909 3 View

Does my formula for an o/w emulsion seem to have high stability?

I am attempting to synthesize a cosmeceutical facial spray that is an o/w emulsion. Below is my prototype formula using Polysorbate-80 and Polysorbate-20 as emulsifiers, Leucidal and Linatural as...

26 May 2020 3,811 3 View

Is it possible to calculate the Monomeric Friction Coefficient in a polymeric system with non-Rouse behavior?

I would like to know if it is possible to measure friction for a polymer system whose rheological behavior does not follow the Rose model.

01 February 2020 1,705 1 View

What course for Experimental Design recommend?

Dear all, I am looking for a good course (online) training in Experimental Design. Under you opinion which should have a good quality?. Thank you in advance, Kind regards Rosa

14 January 2020 3,076 3 View

Why i am getting sharp negative peak while exporting my data not while running? Is this is system problem or column?

I am using Shimadzu HPLC system and recently i started getting sharp negative peak around 5 to 6 min which i was not getting before. I changed the solvent as well to notice if problem is there but...

06 January 2020 4,835 3 View