BSEM/SEM approach?

Hi all! I'm getting into BSEM approach and I am specially concerned about when it is recommended or not to use this model. I have tested a BSEM with a small sample obtaining excellent results,...

07 September 2020 3,919 3 View

Can you help me to find and share material by Ernesto Spinelli?

I am an Italian psychologist, currently I am a professor at the University of Sherbrooke, I work in the field of the existential humanist approach, especially the role of the art in palliative...

23 May 2020 6,863 3 View

Is there an easy way to derivatize silsesquioxanes?

I have a polymer end-capped with a Polysilsesquioxane (POSS) like the one here: https://en.wikipedia.org/wiki/Silsesquioxane#/media/File:Silsesquioxane_T8_Cube.png where *R=i-butyl*. I haven't...

12 March 2020 2,590 3 View

What solvent mixture/ratio should I use for preparing liposomes by REV method?

I have tried with chloroform-methanol (2:1 v/v) but the emulsion produced after sonication is not stable. Also, lipids don't dissolve well in pure ethyl ether.

24 February 2020 2,360 5 View

How can i count the number of instagram posts or tweets associated to a specific location (i.e. a specific street or square)?

I need to find a reliable method for calculating the number of pictures posted on Instagram or of tweets, associated to a specific public open space. The objective is to create a social database,...

16 February 2020 6,175 6 View

Could you suggest any scale to assess parents' satisfaction with their children's schools?

Hi all! I'a looking for a scale to assess parents' satisfaction with their children's schools. I have found some different papers about parents satisfaction but no one seems to offer just what I...

10 December 2018 8,430 3 View

Loading control for WB in High Five insect cells?

30 August 2017 7,901 6 View

Can I extract mRNA from fixed cells?

I want to sort my cells using a marker that require intracellular staining and so, fixation and permeabilation. After that staining, and sorting, can I use these cells as source for mRNA extraction?

01 November 2016 1,286 1 View

No title

30 May 2016 4,100 10 View

What is the best programming language for an open-source computer vision project? Which one would you prefer as potential developer?

We have recently developed a tracking system capable of following several individuals keeping their correct identities in spite of crossings or overlaps (www.idtracker.es). It will be published in...

13 May 2014 9,685 72 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

The sufficient EMG sensing electrodes layout in studying occlusionology?

Hi all researchers, I would like to have your practical experience in EMG-based occlusional examnation with the relevant existed commercialized systems of Gamma Dental, SAM, and the others. If...

20 January 2021 1,757 1 View

Inexpensive eye tracking hardware + software solution?

Hello, I am starting a project that will require an eye tracking device. I've seen eye tracking hardware + software solutions that are $10,000+ so I am hoping to find one that is significantly...

18 January 2021 8,121 12 View

How to dissociate and culture retinal cells from mouse eyes?

We have a transgenic mouse line in the laboratory from which we are looking to culture retinal cells from. Our experiments indicate we might be able to produce stable cultures from these cells...

03 January 2021 7,200 6 View

How to develop mathematical model for Eye-Gaze tracking system?

Gaze tracking technologies are used in a wide variety of applications. Most gaze tracking systems require a personal calibration process where the user is instructed to gaze at certain points...

03 January 2021 9,675 5 View

Why there are multiple spikes around 50Hz (Power Interference) in frequency domain (fft)?

I am working on a project related to sEMG classification. In order to process the signal, I am trying to filter the signal, especially power interference. The signal is acquired from Delsys...

07 December 2020 9,745 10 View

High pass filter on EMG after Bandpass(Boonstra2012)?

Hi all, I am currently trying to carry out an EMG coherence analysis, prior to this I have been reading some papers. I can understand the Bandpass implication from range A Hz to B Hz, but from...

25 November 2020 7,461 1 View

How can I measure the bacterial growth in a wet fabric in a petri dish?

I have to measure the growth of the bacteria in a piece of fabric for my senior design project. I don't know how to measure it. The only way that I know is by the naked eye or by the microscope....

23 November 2020 2,897 6 View

What utility function would be used to reward/punish learning of non local rules defining implicate order?

Given the Meijer paper "A New Premise for Quantum Physics, Consciousness and Fabric of Reality," I am developing an OpEMCSS systems science simulation model. The system is a network of concurrent...

23 November 2020 6,493 1 View

Why do high-order modes move with higher speed than low-order modes in the step index optical fiber?

Hi everybody! I am working on my diploma thesis regarding eye endoscope. I would like to know more about the origin of speckles in the multimode fiber. I suppose that the speckles depend on fiber...

08 November 2020 6,313 6 View