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

02 March 2021 7,082 3 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Efficiency of Proximity Feed Patch Antenna ?

Greetings to all of You! I have searched some research papers for the designing of a proximity coupled patch antenna. Researchers are talking about the impedance bandwidth of the antenna but...

24 February 2021 7,662 3 View

Please help in identification of this insect?

This insect is minute in size around 1 mm and not clearly visible with naked eye.

22 February 2021 5,907 11 View

Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View

Which kind of validity should e established in case we want to conduct a survey using newly developed survey questionnaire?

I am conducting a survey using self developed questionnaire. I have established its face validity and content validity. Some expert reviewer has suggested I must establish the validity by...

11 February 2021 2,077 3 View

What is causing the raw fluorescence to be negative?

Hi everyone, I would really appreciate it if someone can tell me when and why a raw fluorescence starts below zero. In the picture attached below the blue colour curve starts from a negative...

09 February 2021 4,642 3 View

How to match the XRD of a compound for which there is no JCPDS file ? Is there any other characterization to claim the synthesis of desired compound?

I have synthesized LiMgF3 using the starting precursors LiF and MgF2 via solid state diffusion method. Now I am looking for some characterization to claim the desired product, as there is no...

09 February 2021 921 3 View

Can anyone suggest me broad host range fluorescence expression vectors for Gram-positive bacteria ?

Hi everyone, I am looking for fluorescence expression vectors for expression in gram-positive bacteria present in the skin microbiome. I need to tag them with a fluorescence marker and observe...

06 February 2021 2,566 4 View

Best FE Program for Concrete Strengthened with FRP Sheets?

Colleagues, I have been using ANSYS to model concrete strengthened FRP sheets, but less than happy with it. Any has recommendation for efficient, easy to use FE program for modelling concrete...

22 February 2021 7,528 3 View

Is there a suitable way to confine cell attachment area inside a multi-well plate?

Are there any types of cylindrical cell culture inserts that are designed to confine cell seeding area? Say, if I'm using a 12 well plate (3.5 cm^2/well), but only want to seed cells in the middle...

22 February 2021 7,127 4 View

What are your alternative data collection methods during the pandemic? What are the pros and cons?

Dear colleagues We are exploring possible data collection methods for environment and behavior research in the context of architectural environments. Have you conducted any Post Occupancy...

16 February 2021 2,575 4 View

Find acoustic leaky modes with Comsol?

Hi, I need to estimate the overlap between optical modes and acoustic modes of a optically guiding and acoustically antiguiding waveguide (silica core suspended in air). I setup a Comsol model...

05 November 2020 6,507 2 View

Is it unethical to compare racial groups who are LGBT?

Hello everyone, I am currently conducting an undergraduate thesis on the unique challenges faced by Middle Eastern LGBT individuals due to their cultural background (often includes traditional...

08 October 2020 8,163 4 View

Confinement and back to university?

After months of confinement and interruption of student-teacher contact, in your opinion, how should the resumption of face-to-face lessons take place? Do the exam subjects have to take this...

24 July 2020 1,354 14 View

What are the benefits of confinement for a master's or doctoral student?

There are several negative effects of confinement on students or researchers. Discontinuation of studies or experiments. But, out of proactivity, some took advantage of this time to read, take...

22 July 2020 9,561 2 View

I am currently on my thesis writing but have no idea yet on what to focus in my Master's Degree in Structural Engineering, any recommendations?

Some advice are about FRP (Fiber Reinforced Polymer)

07 July 2020 1,931 2 View

Does anyone have a Matlab or Excel code for computing by iterating ultimate strain of confined concrete (ecu) with Mander?

Dear colleagues, Does anyone have a Matlab or Excel code for computing ultimate strain of confined concrete (ecu) with Mander model (Those equations demand a iterative procedure) ! I appreciate...

27 June 2020 5,155 3 View

What is the outcome of the confinement linked to Covid-19 on pedagogical continuity in universities?

A real assessment of the confinement period would be very useful to benefit to allow the university community to advance in their development and to envisage significant changes.

09 June 2020 3,707 12 View