Are exogenous molecules transferred between human cells during doubling ?

Hello RG community, I wonderer whether exogenous molecules (e.g. reporter plasmids, miRNAs or other artificial molecules) are transferred between cultured human cells during their doubling ? So,...

21 February 2021 6,633 3 View

Which compound is getting oxidized during bulk electrolysis with TFAA?

The experiment is really simple. When I do a bulk electrolysis with 1% TFAA (ACN solution) to get dihydrogen, what is going to be oxidized? (working electrode graphit, counter electrode platinum,...

18 February 2021 4,430 1 View

Which non-coordinating solvent dissolves anhydrous Iron(II)chloride?

Hallo, i am looking for a non coordinating solvent that dissolves anhydrous FeCl2 for a synthesis in which i can not use solvents like thf, pyridin etc.. I already tried benzene (no solubility),...

11 February 2021 6,105 1 View

How to extract within-group effects from a mixed effects model in R?

Hello, I am working with some longitudinal data resulted from a clinical trial. I have the interaction effect of time and group + random effect of Subject. Time variable consists of 6 timepoint...

29 November 2020 6,416 3 View

How can i define a correct baseline for reading the anodic (forward) peak current when oxygen reduction reaction is distorting my cyclic voltammogram?

Dear colleagues I have troubles to read out the correct anodic peak currents from my cyclic voltammogram since ORR is pushing down my baseline. Is there anything (besides substracting a proper...

23 November 2020 4,654 6 View

Changes in the spatial distribution of widespread mosses under climate change?

Are there any publications or own observations on how the spatial distribution of widespread moss species such as Pleurozium schreberi, Pseudoscleropodium purum or Hypnum cupressiforme changes...

12 November 2020 6,758 6 View

How can Mplus handle missing data in ESEM with rotation target?

Hello SEM Fans, I conducted an ESEM with target rotation using personality data. 1) Am i right that with rotation target, the calculation can only be made using listwise deletion? In this...

09 November 2020 8,972 3 View

Is there a database of photos with insect pollinators on flowers of plants?

I would like to know if there is a database of photos with insect pollinators on flowers. The insects must be located on flowers of plants. I am interested in pollinators encountered in Europe,...

04 November 2020 2,219 6 View

What program is best for the computer-assisted phonetic comparison of dialects?

What program is best for the computer-assisted phonetic comparison of dialects? We would like to compare several phonetically quite close dialects of a more or less well-documented language (with...

05 October 2020 5,336 2 View

Why is the q-value in SAXS data 2pi/d and not 1/d?

I am usually working with electron microscopy images of macromolecules, and we use reciprocal distance units [1/Angstrom] for units in Fourier Space. A repeating signal every e.g. 10 Angstrom...

27 September 2020 5,008 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

How to run raise regression in R?

if anybody know how to run raise regression in r, and raise parameter selection, please help me

24 February 2021 8,199 1 View

Can anyone suggest me the best way for Regression analysis of Accidents?

Dear Altruist, I want to make a regression analysis based on accident data. But I am not finding the necessary information about what type of regression is more applicable for analysis accident...

23 February 2021 9,956 3 View