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

IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

Are cloud points able to identify tree species?

Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful

15 February 2021 3,475 3 View

Has anyone used Whatman FTA Plant Saver cards for collection of fungal DNA?

I would like to barcode fungal caps from the field for two main research goals (1) molecular iD of the fungal specimen and (2) to identify any invertebrate DNA within the cap using CO1...

08 February 2021 4,486 1 View

To detect Diazepam per HPLC in less that 10 min . How ?

We Get the Problem in the University laboratory that we detect Diazepam Late. Our goal is to try to detect it in less than 10 min We wrote to the company and it suggested the method below (The...

14 December 2020 1,265 3 View

Are open source PCR primers and cellular reagents of value to locating COVID infections on the global map?

A concern with commercial COVID-19 diagnostic test kits is that they tend to be expensive, and may be difficult to access in places far away from the companies that produce them. In order to...

10 December 2020 5,965 2 View

What is the best flight altitude for a drone in the forest?

My goal is to use the short-range remote sensing technique (drone) to study tree species in deciduous forests. Overlap and flight altitude play a key role in this. Do you have the right overlap...

02 December 2020 2,442 4 View

How can we test interaction effect using repeated measure design?

Hi! I am currently working on a problem using repeated measure design. Each participant was assigned to two CONDITIONs (A and B). And their GOAL (continuous) were measured twice in condition A and...

25 November 2020 1,235 3 View

To become an Ethologist, what classes should I take freshman year of college to set me on that path?

I am currently a freshman in college aiming to become an Ethologist. I am wondering what classes I should take freshman year to set me on that path. My ultimate goal is to study big cats (lions,...

15 November 2020 5,212 15 View

Can you suggest a good tool to access team goals in virtually collaborating teams?

I am trying to access understanding of team goals in teams which are collaborating virtually. The conditions in which the goals have not been elaborated. Can you share some reliable tools. (short...

08 November 2020 9,224 3 View

What do you think of the exams in the scientific departments through virtual sites? Did you achieve the goal?

I need the opinions of academics in universities

21 October 2020 3,528 5 View