The procedure compute?

02 March 2021 5,204 3 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

DNA pol quantification?

Currently, I'm working on a DNA pol activity test, one of the variables is DNA pol concentration in the PCR/LAMP assay. For LAMP I found a clear protocol for the DNA pol in weights. However, for...

01 January 2021 9,869 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

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

Vaccine, Adjuvant, and Drug Delivery System?

In terms of vaccine solution, the vaccine (ex: protein sub-unit based) is contained inside nanoparticles (ex: PLGA). Does the adjuvant inside the nanoparticle as well or act as a solvent that...

03 October 2020 4,500 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

Thrombin Fuction in Plasmid/Vector?

What is the function of thrombin in a plasmid? Does it help for screening, selection, or as a biomarker?

09 September 2020 1,555 3 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

We have HUVEC bought from Invitrogen. Cat no -C-003-5c. while first plating the cells we have bought the protocol suggests not to centrifuge the cell with media to remove the DMSO. Should we...

02 March 2021 3,713 2 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 2 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View