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

How to remove the residual PDMS on the silicon mold?

Incompletely cross-linked pdms are difficult to remove.

01 March 2021 798 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

How to best wash a 96-well plate containing microplastic?

I am planning my protocol for my dissertation for an experiment quantifying bacterial (E. coli) biofilm formation on micro-plastic (5mm discs of polyethylene bags) by conducting a crystal violet...

23 February 2021 7,868 2 View

How can I improve the concentration of banana fruits extracted RNA?

Currently, I'm working with banana fruits. I've tried to do RNA extractions with different methods, and I've gotten total RNA without contamination, but I couldn't get a high concentration of...

22 February 2021 6,126 2 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View

Who are the possible experts I can reach out to regarding the reseach topic: Activated Carbon as Water Filter?

Hi! Me and my team mates are currently new in doing a research study. We do not have any previous experiences in research. And we just wanted to know what type of experts (the field they in) can...

19 February 2021 9,596 4 View

Can bio-decomposer be a successful alternative to reduce residue burning?

To maintain the proper crop plan most of the times there is not enough time to make the field ready for the next crop. In this particular context , can bio-decompser be a solution? What about...

16 February 2021 7,068 24 View

How to measure 50uL of cells?

Hello, I am planning to do a transformation, and on the protocol it says "Scrape a 50 ml volume of yeast from the YPAD plate using a sterile inoculating loop or sterile toothpick". But I can...

14 February 2021 6,247 3 View