The procedure compute?

02 March 2021 5,204 3 View

Which database could provide the signal sequence for targeting various cellular regions? ?

I am searching for thee database which could provide me signal sequence specific to the various cell organelle. such as signal sequence for mitochondria, signal sequence for endoplasmic...

04 February 2021 6,650 2 View

One-sided testing of MLM in R?

Dear colleagues, Does anyone know how to conduct a one-sided testing of regression weights (MLM) in R? The actual model is fm1rs

23 January 2021 3,970 3 View

[Measurement invariance] - Do you test it on the full SEM model, on each construct separately, or both?

Hi everyone, I would like to know whether both cultural groups interpreted my questionnaire in a similar way. To do so, I conducted a measurement invariance analysis on the whole model of latent...

14 January 2021 1,845 3 View

Is it possible to do a closed loop control of a sine wave?

An analogue voltage sine wave signal is send from a PLC to a Piezo actuator. This actuator converts the voltage to force. A load cell checks what the applied force is and sends a mA-signal...

27 December 2020 7,037 3 View

[SEM] Why RStudio and AMOS report different p-values (but same estimates)?

Hi everyone, I have conducted a SEM analysis in AMOS then replicated it in RStudio. While I obtained identical estimates and model fit statistics, the p-values differ between software programs...

25 December 2020 3,669 4 View

No title

30 November 2020 5,089 5 View

What should my boundary conditions be in abaqus and how do I apply a sine load?

I want to model a T bone specimen that is subjected to a sine load. The specimen is clamped in as showed on the figure. I was wondering what I should chose as boundary conditions and how I can...

08 November 2020 9,766 4 View

Does anyone know instruments to measure "mental health literacy" in teachers?

Hi there, I am looking for questionnaires measuring mental health literacy in teachers and educators. does anyone know any studies in this area?

16 September 2020 1,682 4 View

Is there any possibility to get the estimated values (listed for every participant) of a specific latent variable in R or Mplus?

Is there any possibility to get the estimated values (listed for every participant) of a specific latent variable in R or Mplus?

17 June 2020 3,819 3 View

How to determine number concentration of polymer solutions using viscosity experiment?

I have synthesized PNIPAM (Poly (N-isopropylacrylamide)) microgels, which are copolymerized with oligo-ethylene glycol based comonomers. I have to determine the exact number concentration for each...

19 February 2021 5,205 5 View

How can we study the adsorption efficiency of microgel at the oil-water interface?

I am studing the mircogel at oil-water interface. I want to know the adsorb amount of microgel at the oil water interface. How we can determine this amount?. I will highly appreciate your...

19 February 2021 2,787 1 View

In a microgel-DTPA suspension (in water), what can be added as a counter to TMEDA to adjust its pH to 6?

I have added a little extra TMEDA to the microgel-DTPA suspension and has reduced its pH. How can I bring it to pH 6?

04 January 2021 6,743 1 View

Would it be possible to measure protein nano hydrogel with 90 plus brookhaven particle size analyser DLS?

Hello, I recently formulated bovine serum albumin nanogel with primary amine reactive protein crosslinkers. As I bmentioned in the title, I am using 90 plus brookhaven particle size analyser to...

11 December 2019 3,146 2 View

Hi everyone, how can i centrifuge chitosan/tripolyphosphate nanoparticles?

I wase able to prepare chitosan/tpp nanogels and successfully measure their size, PDI, and charge. However I have been facing a problem in centrifugation, every time I centrifuge at 15000 RPM for...

11 December 2019 4,052 5 View

Did you know about PMAA nanogel synthesis with disolution-percipitation ?

I think synthesized PMAA nanogel with disolution-percipitation but I have some questions: Question1- at the end of my synthesis, I washed it with deionized water and then sonication, deionazed...

09 October 2019 7,590 2 View

Why choose hexadecane/span80 over light mineral oil/span80 for microfluidic emulsion?

Hi guys, I am curious as to why someone would choose certain combinations of oil phase and surfactant over others. For example, I am currently using light mineral with span 80 added in my...

03 April 2019 755 4 View

How can I avoid diffusion of DNA to W/O-interface in the gelation process of polysaccharide particles?

I am aiming for hyaluronic acid-based microgels particles, which are homogeneously modified with DNA. Therefore, SH-modified DNA, which is additionally functionalized with a fluorescence dye is...

10 November 2018 7,055 5 View

Which dye can be used for detection of water, using UV microscope?

I would like to observe microgel particles inside fibres using UV microscope, thus I came acrross some difuculties when choosing the appropriate UV dye. The microscop can emit light at 405 nm, 488...

09 October 2018 9,264 5 View

Which types of mobile phase (eluent) are used for the analysis of hydrophilic polymers in gel permeation chromatography?

I want to determine the molecular weight of nanogel by GPC.

09 October 2018 1,697 3 View