Which anesthetic for cortisol determination in fish?

I am a bit confused. I am planning an experiment in the field where fish will be caught by electrofishing. Afterwards, they are supposed to be euthanised by using an anaesthetic. I found...

10 February 2021 1,101 4 View

What is the first thing that comes to your mind when you think of the effectiveness of foreign aid on development? Effective/not effective, why?

I'm currently doing a research project on the effectiveness of U.S. aid in Georgia, and would very much appreciate your insights.

22 December 2020 4,189 1 View

Can peptides survive high temperatures?

I'm looking for ways to functionalise a material with a cell-adhesive peptide (relatively short chain - 6aa) and I was just wondering if peptides can withstand high temperatures (100-150 C) for 30...

15 January 2020 8,978 4 View

Abnormally high fluorescence read with qpcr, and no amplification showing on agarose gel, what could be going on?

Hi! I've been running qPCR on some drinking water samples with a primer/ probe FAM assay. In any given run, there have been at least a few samples with artificially high fluorescence reads,...

16 October 2019 8,060 3 View

How to prepare agar amended with mercuric chloride?

Several studies mention using agar amended with mercuric chloride when isolating mercury resistant bacteria. Is there a lab method available for preparation of these plates? If no, what are some...

17 June 2019 5,047 5 View

Interview guides for UTAUT?

30 January 2019 5,443 4 View

How much does our childhood affect the way we think and make investment choices?

Subconscious, subjective drivers.

22 January 2019 5,397 5 View

ReNcell VM cell culture problems - why are they dying after I split them?

The cells look healthy after thawing, but they die when I try to split them. I have tried making fresh media and fresh matrigel, and have tried filtered and non-filtered Accutase. Does anyone have...

19 December 2018 630 9 View

Is it necessary to dechorionate zebrafish embryos to extract genomic DNA and RNA ?

I tried to dechorionate embryos with pronase at 1mg/mL. I made 3 washes but I obtained a high mortality rate and the medium was dirty. Thank you for your answers

03 January 2017 3,455 4 View

Can you help me with Activity measure of trypsin?

Sustrate=BAPNA I get a white solution when i mixed BAPNA(with DMSO) and buffer Tris-HCL/CaCl2 First 3 minutes the activity goes down, after 3 min stars to go up but slowly. Is this normal?

25 July 2016 6,718 7 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View

Is that possible to do an impedance measurement without FRA module?

One of my colleagues said, "the impedance you can measure with the three electrodes and with the specific sequence varying the frequency" Is it possible to configure the potenciostat without the...

21 February 2021 418 2 View

Do you know this error? The experiment was stopped by a potential overload on Vs (auxiliary electrode)?

Hello everyone Do you have any information about this error 'The experiment was stopped by a potential overload on Vs (auxiliary electrode)' in Origamaster software? I tried everything possible,...

19 February 2021 3,152 7 View

Which compound is getting oxidized during bulk electrolysis with TFAA?

The experiment is really simple. When I do a bulk electrolysis with 1% TFAA (ACN solution) to get dihydrogen, what is going to be oxidized? (working electrode graphit, counter electrode platinum,...

18 February 2021 4,430 1 View