ELISA detection cytokine in human serum (common dilution fold)?

Hi everyone, I'm gonna try to detect the IL-10, IFN-y, TGF-beta1 level in the human serum by ELISA. I bought the ELISA set from the BD contain Capture Ab, Detection Ab, Enzyme reagent, Standards....

09 December 2020 3,369 5 View

What is a popular and standard model for quantifying land change drivers/determinants?

I'm looking for a standard model to quantify the land change drivers (e.g., forest to agriculture or vs). Actually, it depends on the data that I have and the specific location, but I would like...

22 November 2020 7,736 3 View

Which book should be best as a text book for Health Psychology in university?

Hi everyone. I have read some recommendations about the book of Health Psychology for teaching this topic at university. These were posted in 2013, thus, I ask this question again if there is any...

07 October 2020 1,290 7 View

Multinomial (Logistic) Regression in SEM in R?

I was wondering there is a way to carry out multinomial logistic regression within a structural equation model in R? I am currently using the lavaan package, and so far have not been able to find...

28 June 2020 4,813 3 View

How to modelling a Mass-spring-damper system of two-body Point absorbed Wave energy converter using Ansys Aqua?

Dear Colleague, I would like to simulate a two-body FPA wave energy converter using Ansys Aqwa. Unfortunately, I have no idea to simulate a mass-spring-damper system that represents a PTO system...

05 June 2020 8,959 1 View

Which are the offline tools which can support the pre-processing steps in text mining without using the code?

There are many source code (R, Python...) which can support the text pre-processing. However, I am wondering that is there any tools (software) to do that?

10 December 2019 8,639 3 View

Convert .py file to .exe using pyinstaller .exe just blink. How to fix it?

I am new to python and am making a web scraping program to automatic collect information about scholarship for me and I want to share it with my friends. It has few dependencies. It run...

09 April 2019 7,524 3 View

Could someone help me understand FT-IR spectrum to check parallel or antiparallel beta-sheet?

I used a FT-IR machine (Nicolet 6700) to determine whether the beta-sheet we were making are parallel or anti-parallel. I am new to FT-IR so I hope someone could help me understand the spectrum I...

09 March 2019 1,215 2 View

Endogenous treatment effect with two endogenous variables?

Hi, I would like to estimate the impact of formal microcredit and informal microcredit on consumption as C = b1X1 + b2X2 + b3M + b4E + ... + e, where X1, X2 are exogenous variables; M is total...

06 September 2018 8,723 4 View

How do I make a ProteomeXChange complete submission (not partial) with MaxQuant-searched proteomics data?

I have a number of proteomics research datasets which I have analyzed in MaxQuant. To make the data publicly available, I typically upload the data to ProteomeXChange through the PRIDE repository...

06 August 2018 9,480 10 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 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

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View