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

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

Are the hyperspectral image datasets which are publicly available at ehu.eus website atmospherically and geometrically correct?

I've come across a couple of publicly available hyperspectral image datasets from the website http://www.ehu.eus/ccwintco/index.php/Hyperspectral_Remote_Sensing_Scenes Now, my concern is...

05 February 2021 3,550 1 View

Any recommendations for open-source survey form builder, which has option for semantic differential scale questions apart from Likert scale?

Asking this as Google forms doesn't allow multiple items in a semantic differential format.

04 February 2021 5,869 4 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 View

My silica gel column dried can I somehoe save the trapped matter?

I tried to separate my substance from a protein in a sillica gel column. By mistake, it dried and cracked. Can I save the trapped substance? Can I repack it ,or at least elute all of the trapped...

22 February 2021 1,789 3 View

Can anyone suggest a way to dissolve insulin which is for rat/mouse injection?

We are trying to inject insulin to rat or mouse, but the insulin we've got is powder, and there are many ways for dissolve, like in saline, PBS, DMSO, or in Tris-HCl, can anyone give us a...

13 February 2021 8,426 10 View

Which regression is best fit when moderator is categorical and dependent variable is latent in nature?

I am using categorical variables as a moderator variable, and my dependent, mediator and IV variables are latent in nature. Which regression test I can apply. As logistic regression is for binary...

11 February 2021 1,584 3 View

Professional editing and proofreading services?

08 February 2021 7,901 6 View

Can anyone help me in this MATLAB Coding?

Hello, I have a dataset excel CSV sheet with a three columns,(X,Y, and Z) The first and second columns represents the coordinates of point, while the third one represents the elevations value of...

04 February 2021 3,451 3 View

Cell culture compatible glue/sealant?

Hello We are looking for a glue /sealant to fix and secure some glass parts of a live cell imaging chamber. It has to be biologically inert because it may come in contact with the medium, and...

01 February 2021 6,886 3 View

Does anyone have a copy of the sTOFHLA?

Peppercorn books is out of business, and that the creator of the test has been dead for over 5 years. I am looking to use this tool to assess literacy in community dwelling seniors as part of my...

25 January 2021 4,061 2 View

Can Cas13a protein directly purify from PAGE gel, please suggest me the method?

I am willing to Cas13 in vitro. Can it be directly purified from PAGE gel, please suggest me the method.

19 January 2021 1,136 3 View

Can data collected through participant observation be interpreted through Interpretative phenomenology?

I have just started to read about phenomenology and hence quite a beginner. I have observed hospital interactions between doctors and patients, noted down the conversations, added the non-verbal...

14 January 2021 3,452 3 View