Is there a dataset of atmospheric river tracks for the whole continental US?

I'm looking for the period 1960-2010, so the dataset would most likely have to be based on re-analysis data. Most things I found are for the West Coast only and often just feature the landfalling...

18 January 2021 3,466 2 View

How is single molecule's fluorescence lifetime depending on excitation density?

It is known, that the fluorescence lifetime of an ensemble of molecules being in close vicinity can change, as intermolecular processes between excited chromophores (e.g. superradiance,...

28 October 2020 7,656 3 View

Minimum participants for a focus group interview ?

I am involved in qualitative research and at the time working on the methodological background. My colleague, which was doing the interviews, brought to me they did some focus group interviews....

30 March 2020 4,000 16 View

No title

10 June 2019 6,662 4 View

How to mesure fluorescence excitation intensity under microscope ?

Hi everyone, My problem is quite simple: I would like to get the fluorescence excitation intensity in mol.m-2.s-1 (or W.m-2). And I didn't find any protocol/advice online to measure it. I...

15 January 2019 9,583 2 View

What insulin receptor antibodies do you recommend for WB and ICC on rat neurons (Santa Cruz sc-710 and sc-711 aren't sold anymore)?

My stock of sc-711 is gone, and SC has been prohibited from selling polyclonal antibodies. I want to do both WB (could be either IRalpha or IRbeta) and ICC, especially unpermeabilized cells (so...

15 January 2018 2,474 3 View

Who knows talented prospective PhD students who want to pursue an academic career in sustainability science?

27 April 2017 2,147 2 View

Do you know of studies that compare the proactiveness of environmental strategies of suppliers with those of OEMs (in the same sector)?

28 April 2016 1,121 1 View

Which method should we use for analyzing a sample of 45 companies at two points in time?

25 February 2016 1,868 3 View

Can anyone help with co-localization using confocal laser scanning microscopy?

Dear all, I try to identify the cell type (lamina propria) bearing a receptor which I stained (DAB, and AlexaFluor-546) on paraffin-embedded human colonic tissue. Previous co-localizations of...

14 August 2014 447 4 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

How does the injection volume impact LLOQ and ULOQ in regression analysis (LC-MSMS)?

Hello, I have run into an issue that has sparkled a debate at work: is the LLOQ/ULOQ impacted by injection volume under the following circumstances: 1) Same dilution factor of all samples 2)...

23 February 2021 9,159 3 View

Does anyone ever solved this following Matlab error : "Error using imaqdevice/start (line 95) pointgrey: Failed to stop the camera acquisition." ?

I use Matlab 2014b to capture some images with a PointGrey camera connected with USB3 port. I initialize the camera in a function which basically execute these followed lines : vid =...

22 February 2021 6,386 1 View

Using the Pfaffl method: Is it possible that the ratio of the calibrator does not equal 1?

Hi all, I have a question regarding calculations using the Pfaffl method. I have 3 groups per experiment: 1 control group (calibrator) and 2 treatment groups with 6 to 7 biological repeats per...

19 February 2021 8,351 2 View

XRPD Quantification - Building a calibration curve of drug excipient?

I am aiming to utilise XRPD to quantify a drug excipient within a drug product and have been having a little trouble building the calibration curve to allow for this quantification up until this...

10 February 2021 6,145 3 View

Whic Type of Thermal Camera is Good to use in animal research?

Hello dear researchers I want to use a thermal imaging camera to livestock study. I wonder which type to use. If you know or used a good type please comment or insert its online link in...

29 January 2021 4,163 4 View

Gain and offset values in Sentinel-2 L1C?

Hello everyone. I have been trying to apply radiometric calibration on Sentinel-2 L1C images (bands 2,3,4 and 8), but every time after layerstacking I come across this error: "Calibration...

28 January 2021 7,160 1 View

How to do fishnet analysis on non-geological data in R stat software?

Hi All, I am working on a study that would require to measure the movement activity of experimental mice. For this to do, I am monitoring the mice with thermal camera, and I can get the...

24 January 2021 7,399 1 View

Which Method of Statistical Analysis is best suit for making comparisons?

For the purpose of selecting the best one among the 4 design approaches, experimental video surveillance has taken. The dependent variable is the distance (meter) and the independent variables...

21 January 2021 4,936 7 View

How can you confirm new liquid FTIR cell fits calibration?

We have an FTIR instrument which was calibrated in transmission/absorption mode using a set of cells for different ranges of D2O concentration. One of the cells at high range broke and the new one...

16 January 2021 4,791 2 View