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

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 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

Can the problems of overfitting be solved without cross validation?

For an overfit data set the cross validation error will be much bigger than the training error. Is it true or false?

23 February 2021 3,616 2 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

Level 1 pre-post multilevel regression: Panel data or ANOVA approach?

Dear colleagues, I am currently teaching myself in multilevel analysis using educational data. I found few to zero literature on basic analysis methods. In my context we frequently use level-1...

17 February 2021 9,378 5 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

What is the optimum time and temperature of blanching and pre-frying potato for frozen fries?

I am helping a local home industry for developing frozen fries from their local farm. I want to know what is the optimum blanching and pre-frying temperature and time for processing. Please also...

23 February 2021 1,616 5 View

Time taken from pollination to fertilization in solanaceous crops?

How much time is required from germination of pollen grain on stigma to fertilization in Solanaceous crops (chilli, tomato, brinjal)?

26 December 2020 887 5 View

Sample preparation for sugar analysis in potato tuber with a refractometer?

For my research it's needed to measure the concentration of the following sugars present in a potato tuber: sucrose, fructose and glucose. Is there a reliable method to measure these with a...

07 September 2020 5,718 4 View

Does the genus Capsicum contain solanine in their stem like other nightshades do?

Hello, this is yet another urgent question for my assignment: Does the genus Capsicum contain solanine in their stem like other nightshades do? Thank you for your answers in advance!

03 June 2020 3,827 11 View

What's the best way to dissociate cell aggregates in liquid culture medium?

I have non embriogenic callus from Tamarillo (Solanum betaceum) in liquid culture medium, and i would like to quantify the cells, but they form aggregates. Any advices?

04 February 2020 4,328 4 View

What's the best way to dissociate cell aggregates in liquid culture medium?

I have non embriogenic callus from Tamarillo (Solanum betaceum) in liquid culture medium, and i would like to quantify the cells, but they form aggregates. Any advices?

01 February 2020 1,348 3 View

Patatin extraction from potatoes, best method?

Perhaps people who work with protein extraction could share some ideas and tips on the best methods to extract patatin, chemicals used, quantification methods? What is working, what is not? I...

09 January 2020 2,087 3 View

Patatin extraction from potatoes, best method?

Perhaps people who work with protein extraction could share some ideas and tips on the best methods to extract patatin, chemicals used, quantification methods? What is working, what is not? I...

31 December 2019 1,896 3 View

I am finding trouble in isolation of Phytophthora infestans from potato leaves in PDA? What might be the reason? Which could be the best media?

I am finding trouble in isolation of Phytophthora infestans from potato leaves in PDA? What might be the reason? Which could be the best media?

31 December 2019 2,563 9 View

Do addition of nanopartilces in soil increases the Plant yield ?

Can any one explain me that addition of nanoparticles enhances the growth of plant and produces more yield. If so, can anyone list me the nanoparticles i can use Plant is Tomato and Aubergines

24 June 2019 5,402 3 View