Do you know of any article which does a Monte Carlo Simulation assessing measurement invariance in R studio?

Hey! I am a psychology student working on a small project for one of my seminars. The goal is to present to fellow students how different sample sizes affect different ways of assessing...

19 January 2021 4,618 9 View

How can i get my data to be in normal distribution?

The error rate data i have has a strong right skewness and therefore violates the assumption of normal distribution for using an ANOVA. I tried transformation by square root and log10. After...

01 October 2020 8,906 9 View

What is the current state of User Interface Definition Languages?

Hi everybody, in one of our research projects we are currently thinking about generating User Interfaces based on a model representation. I dived into this topic a couple of years ago and still...

15 September 2020 5,350 1 View

Good solar PV Cost country paneldata?

13 August 2020 2,739 4 View

CalculiX Load Beam with moment that follows nodal rotation?

Hello, This is propably a primitiv question but I am trying to figure out how to implement a moment at the tip of a (for simplification) beam around the z axis. It should follow the nodal...

01 April 2020 3,678 3 View

How do AFDyes(TM) compare with Alexa Fluor?

Just wondering due to the stark price difference between AFDye 594 Cadaverine (Click Chemistry Tools) and Alexa Fluor 594 Cadaverine (TFS). From what I read they are supposed to be structurally...

11 March 2020 9,532 2 View

How to prevent silane crosslinkage at pH near to neutral, in resins that are fully waterborne?

Hello, We are working intensively on silane usage as a coupling agent for acrylic polymers. We have a resin with more than 65percent of water and an acrylic monomer, which we polymerize on glass...

14 January 2020 726 1 View

ISO 527 difference of type A and Type B for testing?

I'm planning an experiment with ISO 527. I would like to know what the difference are when testing a type A ( with narrow parallel-sided section and tabs) compared to a type B (rectangular shaped)...

25 February 2019 570 2 View

Increasing solubility of 20-50 nm diameter Carboxylate modified Polystyrene Nanoparticles?

We want to inject these into a living insect. They come in a solution that includes a surfactant that will harm/kill the insect after injection and they appear to aggregate heavily when the...

12 February 2019 9,892 2 View

Is there a ROS scavenger which would not quench carbon centered radical?

Hello, I am looking for a compound which could selectively quench reactive oxygen species while not quenching carbon centered radicals (for a polymerization reaction). Thanks a lot.

11 December 2018 8,494 7 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 6 View

IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Specify the Burgers vectors for dislocations, which cannot be uniquely identified.?

1. A bcc metal single crystal was sliced along (1 -1 0) plane for TEM study. Assuming that the TEM available is equipped with a goniometer stage which tilts up to 45o. The Burgers vector of...

20 February 2021 2,370 1 View