How can we measure the reliability and validity of our survey questionnaire?

We are conducting survey research on COVID-19 misinformation among students. How can we validate our survey for it to produce valid and reliable data? Also, what statistical tools can we use to...

16 February 2021 678 3 View

How do you think why fiber-optic DAS systems are not frequently used in bioacoustics?

There are some interesting challenges for DAS systems in fields of agri-biophotonics and/or biophotonics - from vibration impact studies on the roots of growing plants to sea fauna acoustics...

16 October 2020 6,696 5 View

What sensors are applicable for plastic detection using Arduino?

Are there Arduino sensors that can be used to detect the presence of plastic materials? Our proposed study is an arduino based plastic detection from the water surface. We plan to use infrared...

16 October 2020 4,552 3 View

What is the ideal treatment of data for arduino-based research projects?

Our research is An Arduino-based solar-powered surface water plastic proximity detection and characterization system. We are currently writing our methodology for our research proposal but we are...

12 October 2020 905 3 View

Dear Colleagues, does anybody plan to visit the International Conference on "Optical reflectometry, metrology & sensing 2020"?

My friends, my dear colleagues, I am the Scientific Secretary of this Conference. It is held by the Photonics Laboratory and Agri-biophotonics Laboratory of the Perm Federal Research Center of the...

25 December 2019 4,220 29 View

Could you advise me to measure cAMP in pancreatic cell (INS-1, RIN-m5F)?

I would like to graph the trend of increasing intracelluler cAMP after treatment of GLP-1 by concentration in Pancreatic cell (INS-1, RIN-m5F). However, I'm measuring the cAMP using the current...

21 July 2019 395 1 View

I'm the author of an interdisciplinary working paper. Who can publish it?

09 December 2018 2,362 4 View

Is there a open-source software for creating a 3D model based on 2D consecutive echograms?

Not all ultrasound scanners have the 3D option, we have to reconstruct the 3D mentally. And it would be nice to have such an opportunity, like at CT. For example, as in the present case with an...

07 November 2018 3,824 5 View

There may be quantum entanglement in aqueous micellar solutions of ionic surfactants?

We study the quantum entanglement in aqueous micellar solutions of ionic surfactants. We have shown that excitons exist in aqueous solutions. We bathe in excitons, we are treated with excitons....

04 April 2018 8,152 2 View

What is the best way to make a ZnO+Ag nanoparticle blend for polymer antimicrobial additivation?

Hello! I am working with silver nanoparticles for antimicrobial additivation of polymers. I synthesize them on aluminosilicate sheets as substrate, and I will now replicate my process for ZnO....

04 March 2018 8,455 3 View

How vaccines of covid 19 work?

Millions ask how vaccines of covid 19 be successful and safe, its here to explain generally how vaccine of pfizer work ,mRNA vaccines teach our cells how to make a protein that will trigger an...

28 February 2021 2,723 4 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...

24 February 2021 1,243 1 View

Surprisingly low antibody titers against SASRS-COV-2 RBD in hamsters compared to mice?

21 February 2021 6,958 2 View

Measuring Total immunoglobulin whole-body of fish larvae?

Hi Dear All, I prepared the extract of fish larvae whole body with PBS. Then protein concentration of the whole-body extraction samples determined by the Folin-Ceiocalteu-Phenol method (Lowry...

17 February 2021 1,971 3 View

Which way will be better to give OGT inhibitors doses through intravenous or orally for pregnant female rats and concentration suggestion?

I'm planning to use ST078925 OGT inhibitor from TimTec (OGT-O-linked N-acetylglucosamine (GlcNAc) transferase) for female rats.

16 February 2021 7,850 2 View

What is the proper in vitro culturing method to get information about the activation of innate immune cells by VLPs?

Dear All, I am interested in studying the response of immune cells against virus-like particles (VLPs). I used the PBMC in vitro assay and treat it with the VLP using PHA as a positive ctrl while...

16 February 2021 1,337 2 View

Different antibodies show signal at same MW in SDS-PAGE, what is wrong?

16 February 2021 2,857 9 View

Trouble shooting with his tagged protein expression in E.Coli?

i have issues in expressing a chicken protein in BL21 cells with his tag. I do not see induction even at 18 degrees. Any suggestions

15 February 2021 8,939 3 View

How to calculate the sample size required to detect the difference in pharmacokinetics of methotrexate?

I came across with this study here, https://www.clinexprheumatol.org/abstract.asp?a=5066 And this study says: "The sample size calculation was done to compare two different MTX starting dose...

14 February 2021 3,017 3 View