Did I dilute my supernatant too much so cytokines will be below the limit of detection on a Luminex assay?

I am performing an experiment analyzing the cytokine production of macrophages in response to viral infection. I recently harvested and cultured peritoneal macrophages from mice. I plated these...

17 January 2021 5,516 3 View

How to compare a group + 2 of its subgroups via statistics analysis?

I have a dataset containing [length of time in DAYS] and [name of drug]. The days go from 1 to 42, and there are about 25 drugs. The majority of the data is for 3 days or less. The dataset is...

02 October 2020 5,274 2 View

Is there a reference on the idea of a price premium for a reliable product is worth the price?

Hi all, I'm looking for a reference or two that may support the idea that a reliable product is likely to command a price premium in the market. This is accepted by the market because a...

02 October 2020 4,863 2 View

Why not merge economics and engineering?

The framework of economics today draws largely from post-War scholarship. And here, we remember the use of biomathematics by Paul Samuelson and contemporaries of the sixties and seventies. Now,...

20 April 2020 4,923 14 View

Sucking mass away does not please coronavirus?

Formentera island had been through early self-quarantine, port closed, for 14 days and there is still no Covid19 cases in the island. Formentera is a weird Earthian gravitationnal aberration (as...

26 March 2020 1,157 2 View

As a polyglot invalid 65%, I feel more armed to face myself in confinement. Do you agree at least dairy 15mn meditation emptying mind is necessary?

As a polyglot invalid 65%, I feel more armed to face myself in confinement. I know how I can help friends and neighbors. It's time to bury all war axes. The real time for a better world.

14 March 2020 1,663 6 View

Mathematics: Why ignore Ishango?

07 March 2020 4,472 7 View

Geometry released algebra. Must conics release cubics?

Hark back 11th century, we find algebra shackled by geometry. So, there was no honour in the negative number. When algebra was released, it opened a new world for us. Before then, geometry had...

06 March 2020 2,660 4 View

Can free glutamate ions turn dangerous?

can a non-human virus step on them, using those unbound particles, easier to conquest, to invade the host ? Glutamate only taste when unbound....

17 February 2020 5,423 10 View

Public policy: Where are the big three equations (heat, wave and Laplace)?

Distribution dominates policy. Resources are injected at a point and distribute across communities. Can the distribution be almost instantaneous as in the heat equation? Do the resources morph and...

30 January 2020 3,439 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 3 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

Does anyone know of a predictable relationship beween surface gravity and atmospheric composition?

The attached file demonstrates that there is a predictable relationship between the structural density of a terrestrial body and its none-rotating surface gravity. Using Newton's gravity law of...

26 February 2021 2,317 3 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

Is the box plot of climatic indices better illustrate from daily data or annual data?

Hello, I hope you have a good time. I work on a research project about temperature indices. Due to the high number of indices, I only work on tables and maps on an annual time scale. In other...

19 February 2021 9,742 2 View

Historical wind data/map?

Hello All, I am looking for the historical wind data/map (mainly the year 2020-2021). I would like to look at the wind value and direction for the specifics locations within the US for the...

18 February 2021 9,543 4 View