Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Is there a way to automatically gather surface area from a 3D model based on color/texture?

I have been constructing 3D models of large corals and I was wondering if there is a software that I can use to gather the area of live tissue vs dead/disease? I am aware there is a way by tracing...

17 December 2020 6,991 1 View

Randomizing Survey Questions?

I'm currently developing my methodology for an upcoming research project and have a question about the materials I plan on using. I want to incorporate a questionnaire on conspiracy theories and...

16 October 2020 5,232 3 View

How do you deal with multiple submissions to a survey from the same respondent?

Hello, I am a graduate student and I am working on cleaning survey data. When cleaning the data I realized that a few respondents completed the survey twice. I reviewed the survey data to see if...

04 July 2020 5,688 8 View

What is the appropriate statistical analysis for my study?

17 June 2020 4,681 4 View

Why do you not include geothermal science as a Research Area?

You provide a list of research topics including Geology, Geochemistry and Geophysics. However, many workers in the geothermal field specialise in the integration of the information from the above...

08 June 2020 9,616 4 View

Is there a recommended article on RAMAN Spectroscopy and/or FTIR that also works as a guide?

Fellow scientists, I'd like to know if a test solution contains certain leachates, meaning that an extraction method I am developing works. Much appreciated beforehand.

13 January 2020 5,249 3 View

NOAA Hourly Precipitation Data Missing Post 2014?

Hello all, I'm trying to test out a predictive model but I'm having a very hard time trying to find hourly precipitation data. I've looked at NOAA and on the new data repository (NCDC) but I...

28 October 2019 4,757 5 View

Digesting bioplastcs (PLA)?

I am carrying an experiment on which I chronically feed PLA particles to ascidians to check if they accumulate the material or are capable of digesting it. I am also trying with common PP and PET...

10 May 2019 9,370 5 View

Do you know some program or app that allows me to build graphics in macbook air?

Hi everyone. Can somebody help me? I am looking for some program or app that allows me to build graphics of DRX, Raman, EIS, IR data, among others in my macbook air. When I had my windows PC it...

23 March 2019 3,216 2 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 2 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

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

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01 March 2021 3,905 5 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

Does anyone use antinuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples?

I am looking for anti-nuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples. Any suggestions highly appreciated. Thank you.

28 February 2021 6,512 3 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View