ELISPOT normalization with varying cell numbers?

Hello everyone, due to a calculation error in the spreadsheet, the splenocytes I used were wrongly diluted. As a result, the number of cells per well are identical for each mouse, but differ...

15 December 2020 9,344 1 View

How does one subset time series GPS data to to 1 hour intervals?

I have time series GPS tracking data from a number of individuals, all with varying time between locations (i.e. certain individuals recording at 15 minutes intervals, others at 20 minutes or 1...

06 December 2020 9,038 3 View

How do I structure my panel data in an event study?

Hey, I am conducting an event study with a short event window (lets say 3 or 5 days). I have a lot of variables, but most of them are fixed over that short period of time (GDP per capita, GDP...

11 November 2020 3,582 6 View

Jamovi - mean centred moderators?

Jamovi free ware has a built-in interaction function (a product term) in linear regression procedure. Does anybody know if Jamovi automatically mean centres variables included in the product...

04 August 2020 6,418 8 View

Supplier for thick block of brass CuZn20?

For a ballistic test I am looking for a supplier of brass CuZn20 in thick plate or billet shape We need 150 mm in total thickness with sides (or diameter of 160 mm).

17 May 2020 449 4 View

How to extract legal speed limit from GPS coordinates in OSM (OpenStreetMap) ?

I am interested in the extration of speed limit from Longitude and Latitude coordinate values. Is it possible to find speed limit attribute assigned to specific Open Street Map position and is...

30 March 2020 9,201 3 View

Human Isogenic H3.3K27M cell lines?

Hello all, I'm trying to identify pairs of isogenic human cell lines (preferably brain) in which the parent line does not possess the H3.3K27M mutation while the other one does. I've been finding...

26 March 2020 1,439 2 View

Has GPS detected the ethrer bwind?

Abstract An illusion of undecidability of an ether wind was the basis for establishing the theory of special relativity (SRT). The reason to that mistake was a wrong interpretation of light...

08 February 2020 6,990 4 View

Does source code language matter in a paper?

During literature review, I have noticed that many papers under the umbrella of software engineering use Java when code examples or small demonstrations are appropriate. I understand that Java is...

10 January 2020 1,763 7 View

How do we measure the concentration of two different complex in the same solution: Rh2(SO4)3 and RhCl3?

Hi all. I have solution containing mixture of two complexes of rhodium Rh2(SO4)3 and RhCl3, the concentration about 100 ppb - 2 ppm each with matrix SO4 2- and Cl- about 2 M, is there any...

11 November 2019 5,753 1 View

SDS page software for analysis?

I did sds page to determine the difference in protein expression between 3 types of vaccine , but i don't have scanner or densitometer available. . so i wonder if there is a software to analyze...

02 March 2021 6,270 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

Open Source IoT Simulators supported by Machine Learning?

Dear Research Gaters, Let me first add context to the question. I am looking to simulate the waste management system and resources of a city. The hardware devices I need to simulate include,...

21 February 2021 2,333 4 View

What type of pressure sensor are usually used in microfluidics?

My team is designing a dual channel microfluidic chip that runs air and water. I think we've decided on the NE1000 syringe pump for it's versatility and feedback control. We will be ordering the...

18 February 2021 9,928 2 View

How to realize refractive index values of 1 to 1.1?

Hello researchers! While studying the literature on refractive index sensors, most of the articles simulate their devices with a refractive index ranging from 1 to 1.1, with small steps in...

17 February 2021 1,578 4 View

What should a smart water system look like?

Our team is designing a smart water C&C dashboard for a smart city initiative. As we look into the current smart water system landscape, we couldn't reconcile to a definitive solution that...

16 February 2021 1,094 3 View

How to disaggregate country data into city ones?

I'm using a number of indicators in my research which are not available at a sub-national level. Is there a reliable method for disaggregating the country data into city ones? (preferably with a...

16 February 2021 6,861 3 View

What are the popular techniques for pre-processing measurement data in Smart Grid/Power System?

The data collected from various measurement devices often contains erroneous values - such as noise, missing values, etc. What are the popular techniques for pre-processing measurement data in...

14 February 2021 4,642 2 View

What are backpropagation formulas for residual neural networks?

14 February 2021 4,194 3 View

Receiving very less number of hits and events in acoustic emission tests?

I am doing a three point bend test with concrete specimen of dimension 280mm*90mm*90mm. I am putting 2 sensors near the notch with 3cms away from both the sides. the experiment ran for 20 mins but...

13 February 2021 2,990 1 View