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

24 February 2021 2,362 5 View

Mixed ANOVA or Multilevel modeling?

Hi everyone, I'm having some questions about choosing the right test for my experiment and I hope I can find help here! Here are the settings of the experiment: 1. participants are randomly...

14 February 2021 1,028 4 View

How to do variation partition for a distance matrix for microbial ecology?

I have bacterial, fungal, and protist OTU table. I want to know to what extent protist and fungi distribution can explain the bacteria distribution. I only know Mantel test could do a correlation...

11 January 2021 4,164 2 View

Are there any method to detect implanted stem cells?

Dear, We developed a microcarrier that was pre-seeded hUC-MSCs to repair a rat bone defect. However, we didn't use GFP or Luciferin to track cell survival. If there's any way to identify the...

15 December 2020 6,065 3 View

How to characterize the dispersion of aluminum oxide in Al matrix composite which reinforced by alumina during the powder metallurgy?

Now we could characterize the disperion of Al2O3 in AMCs (pure Al reinforced by Al2O3 ) after sintering. But the process of powder metallurgy has a lot of steps, which take long time. The cycle...

08 November 2020 5,244 3 View

Is that possible the filter of flow cytometry was failed so I got those data using FL1 vs FL2 and FL1 vs FL3?

The cells were expressing GFP and also incubated with PI for dead cells detection. This is my first-time using this BD Accuri C6 and I'm not sure if I need to set compensation (I tried to follow...

01 November 2020 8,360 3 View

What if the abbreviations of two technical terms in the manuscript are the same?

I'm wrting an article, there are two terms "Carboxymethylcellulose" and "Critical Micelle Concentratio" both have the abbreviations of "CMC". How should i distinguish them?

23 June 2020 2,115 5 View

ImzMLConverter installation & running issues?

Hi Everyone, Did anyone have a similar issue when install and run imzMLConverter? I followed the instruction on https://www.cs.bham.ac.uk/~ibs/imzMLConverter/ and used the command it provides....

23 May 2020 3,936 3 View

How to revise survey items based on unexpected EFA results?

Hi, there. A few days ago, I posed a question about factor analysis of survey results, but I left many important details unspecified. HERE is the more detailed one. I develop a theoretical model...

06 May 2020 4,937 10 View

Many cases of identical answers to consectutive questions.How to revise survey items?

Hi, there. I am working on my Ph.D dissertation. I have run a factor analysis of 56 items with maximum likelihood and direct oblimin method. It turns out that only one factor can be extracted...

25 April 2020 6,267 10 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

How to remove the residual PDMS on the silicon mold?

Incompletely cross-linked pdms are difficult to remove.

01 March 2021 798 3 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

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View