In vitro evaluation of insecticide release rate from a dog collar?

More Julien Chuche's questions See All

Best protocol for immunogold using araldite resin ?

Hello, We perfom Tokuyasu method (ultrathin cryo sectionning) very often to make immunogold experiments. This time, we need to make a PLT technique with K4M or LR white resin. Our results were...

14 February 2021 4,959 1 View

How to remove a sapphire disk from LR white resin embedding ?

Hello, We tried to do CLEM experiment on sapphire disk including cryo fixation (Leica ICE) and then cryo substitution using LR white resin. Once the resin is polymerized, we can't remove the...

13 January 2021 5,223 3 View

What do you suggest me as a low-cost electronic monitoring of honeybees using 3-5mg RFID tags?

We would like to control the honeybees' ID at the entrance of a flight tunnel. We would like to detect a honeybee in a cube of 10x10x10 cm3 in front of the tunnel door while flying, and thus...

17 December 2020 3,464 2 View

What are the competencies to put forward in Higher Education to prepare students to evolve in a world where IA is ubiquituous?

15 December 2020 6,350 4 View

Is it possible to invert a PLSR model, i-e to predict X based on Y?

There are many tools to build a PLSR model to predict a response variable Y based on a multivariate predictive variable X (reflectance spectra for example). My question is the following: once we...

06 December 2020 3,096 11 View

Have you ever included two last authors in the co-authorship of a publication?

Hello, As you must know, it is now sometimes possible to have several co-first authors in the co-authorship of a scientific publication, when two persons led the paper and had equal contribution...

21 September 2020 2,995 5 View

How does one find constants of the motion for a chaotic flow?

I'm reviewing a lot of papers where the authors take a 3-D autonomous chaotic system (think Lorenz) and add a fourth variable bidirectionally coupled to the other three and then report its unusual...

04 May 2020 3,785 33 View

Device abstraction for navigation in VR ?

Hello everyone The UMI3D Consortium's working group dedicated to embodiment is currently looking for a device agnostic way to manage navigation in Collaborative Virtual Environment (CVE). Are you...

08 April 2020 4,951 3 View

Redundancy analysis (RDA) order variables change result, why?

Hi everyone. I am in the process of making RDAs between faunistic and environmental tables. What I don't understand is that depending on the order in which I place my environmental variables...

29 March 2020 2,179 5 View

How to prepare fish (whole) in order to send it for analysis?

Hi, I have to collect fish, blend it, dry it and send it to a laboratory in order to have analysis of the fish composition. I need a whole fish, and I was wondering if there is a method to...

25 June 2019 1,884 2 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Can I arbitrarily take a cycle number of 40 for the gene that was not expressed at all in qPCR results calculation?

I ran RT-qPCR for a control and a treated group and it appears that my gene of interest was not expressed at all in any of the subjects in the control group. So I was wondering if I could...

20 February 2021 6,243 10 View

How to overcome convergence issues in concrete arch models?

Hi, I have modelled a three-span arch bridge with soil fill over along with pedestals. The FE modelling is done in LUSAS with HX8M solid elements (i.e. 3D solid modelling). The non-linearity is...

20 February 2021 1,346 2 View

How to perform EEG classification of Alzheimer and control groups?

I am doing a project on classification of EEG signals of Alzheimer's disease and control groups. Previously, I extracted the alpha power of the EEG signals and found out the strengths. I want a...

18 February 2021 8,502 2 View

Mustapha Ahmed Yusuf

@ Chuche, I think I found an article that may guide and give you insight about your questions. Kindly find attached the article, I hope you find it useful.

All the best

Julien Chuche

Thank you for your answer Mustapha Ahmed Yusuf but the attached article is missing to your message.

Regards,

@ Chuche , sorry for not attaching it. Kindly find it. Best regards.

Thank you Mustapha Ahmed Yusuf. I knew this publication in which collar release rate was measured after being worn by dogs and cats but I am looking for a way to avoid using animals.

Ok , hope you find one.