Where could one acquire a remote sensor payload to perform soil moisture mapping that can be fitted to a drone?

Looking for a company/ institution that sells/ is developing a remote sensor capable of mapping soil moisture to highest possible resolution (10-15 m) for use in agricultural crop monitoring.

10 August 2020 648 3 View

Which journal would you recommend me to publish not positive results?

I'm working on a paper where I was not able to find correlations between diet and my main outcome; I am looking for a journal where I can publish such a result

21 April 2019 6,433 3 View

Has anyone successfully converted counts to NTU?

09 October 2018 2,463 1 View

In the Raman spectra, why in some cases band D moves to the left and in other cases moves to the right?

I am analyzing carbon nanotubes by nanocasting (MNC), using SBA15 as a hard template. Composite C-SBA15 is the intermediate material with the carbon precursor within the SBA15 channels. In the...

14 May 2018 5,813 4 View

Piezoresistive shell elements?

Is there any FEM code with piezoresistive shell elements (plane stress)? I know that Ansys has both plate and 3D solid piezoresistive elements. However, I wonder whether it is possible to find...

02 March 2018 1,946 1 View

Crack closure modeling?

Does anyone have experience with crack closure modeling? And by the way, Does anyone know whether it is theoretically consistent to model crack closure in the small stran range simply with contact...

02 March 2018 1,691 3 View

Software for algebra of equations with symbolic matrices?

I am wondering whether there is a symbolic software for solving systems of equations with symbolic matrices. I am used to working with MATHEMATICA but, as far as I know, functions Solve and...

10 November 2017 3,521 4 View

Hi, is there any way to create a contour plot of the resistivity of piezoresistive elements in ANSYS?

I am conducting a steady-state analysis of a piezoresistive structure. I am wondering if there is any way of plotting the resistivity of the elements instead of other standard variables such as...

07 August 2017 5,716 1 View

Who has collected measures of oxidative stress in tumor microenvironment ?

If so what did you measure (e.g. NF-kB)

05 April 2017 7,115 2 View

For an Anti-p24 (HIV) Ag capture ELISA, I am getting low OD readings for a 20-90pg/mL range. What should my primary Ab working concentration be?

07 February 2016 8,890 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Can two EC50 values with different hill slopes be compared?

Hello, I fit a classical dose response curve Y=Bottom + (Top-Bottom)/(1+10^((LogEC-X)*HillSlope)) to my data (not related to inhibitors etc). The model I use is purely qualitative but it fits...

23 February 2021 8,155 5 View

Are there any open-source datasets containing physiological information about exercises to be used for an OR-model?

I have just recently started a new "weekend project" in addition to my master's studies and I am looking for a data-set. I would like to use some Operations Research to design an optimal gym...

22 February 2021 8,023 1 View

What is the original citation for the commonly used activity factors for converting basal metabolic rate to total caloric need?

I see the same activity factor (multipliers) in research papers and websites, but I cannot find where they come from. Does anyone know where these originated? I am looking for an original...

18 February 2021 7,635 2 View

Will SARS-CoV-2 Spike be broken into S1 and S2 by denaturing conditions?

Hello, I am performing a western blot of my SARS-CoV-2 Spike-pseudotyped lentiviral particles. I denature my virus by adding concentrated virus to 2X Laemmli buffer at 1:1, then boiling for...

17 February 2021 4,844 4 View

Can anyone provide an advice on running a validation study of a commercially available product in collaboration with the manufacturer?

We are planning to run a study validating a commercially available product (i.e. software) and while we initially planned to do it independently of the manufacturer, they heard about our intention...

17 February 2021 2,295 3 View

What is the best temperature to coat an ELISA plate?

Hello, I want to control the temperature of my ELISA plate during incubations to get consistent results. In general, what is the best temperature to coat the plate with antibody? I have been...

16 February 2021 2,377 7 View

Is there a way to tell based on appearance which protein crystal should diffract the best?

I have had unheard of success with protein crystallography lately from a super successful protein expression and purification batch. I have attained a lately reproducible vast amount of crystals...

09 February 2021 5,155 5 View

How do I prepare and store insect samples for JH measurements?

I need to preserve termite samples for future quantification of juvenile hormone in their bodies. Or extract the Juvenile Hormone and keep that samples stored for future quantification. I may need...

09 February 2021 1,995 1 View

How to measure the concentration of a labeled protein with no tryptophan or tyrosines?

Hey I'm trying to measure the concentration of a protein I've purified and then labeled with Atto 647 flourescent dye. The protein has no tryptophans or tyrosines (although does have...

04 February 2021 4,482 4 View