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

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 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

What are the LAB methodologies (procedures, equipment etc) for CO2 enrichment experiments to study crop responses?

I am doing a proposal for a research entitled 'GRAIN YIELD AND QUALITY RESPONSES OF WHEAT GENOTYPES UNDER CO2 ENRICHMENT AND EXTREME EVENTS' I will be using climate chamber and I would like to...

18 February 2021 6,494 4 View

What is the critical deficiency limit in soil for Mn in wheat crop ? in terms of DTPA extractable Mn?

critical range for Mn in soils is 2.5-4.5 ppm for all plants as an average, but what is the exact amount of DTPA extractable Mn in soil for wheat crop

04 February 2021 4,008 4 View

LC-MS metabolomics data after annotation some have their compound name but no KEGG id or with KEGG id but no pathway. How to interprete?

Recently I have generated LC-MS metabolomics data. After annotation, some have their compound name but either no KEGG id or KEGG id but no pathway. How to interpret those compounds? Additionally,...

18 January 2021 1,938 3 View

How can I build a local KEGG db?

I want the info (gene name, metabolic pathway, and organism of origin) of some key identified metatranscriptome genes obtained from MG Rast (I have the sequences). The KEGG ftp site seems to...

12 January 2021 9,985 1 View

How to prepare wheat grain sample for amino acid analysis through UV-HPLC ?

how to prepare wheat grain sample for amino acid analysis through UV-HPLC, and also amino acid standards for HPLC , I will be very very thank full.

10 December 2020 1,207 3 View

How to estimate the effect of nematodes on some varieties of wheat?what are the correlation possible to do ?

Hi , I carried out a test on the behavior of some varieties of durum wheat with respect to the CCNs, two successive years, in pots, and I inoculated with the same number of cysts (Pi), at the end...

05 December 2020 7,187 3 View

Is Coefficient of Variability (CV) positively correlated with root mean squared error (RMSE) in every case??

My data for fungicide treated replication shows higher RMSE and R-square but less CV compared to the untreated replication for a regression between vegetation indices and yield. How correct is it?...

23 November 2020 2,079 6 View

Learning to discriminate mycorrhizal from non mycorrhizal fungi for McGonigle method. Can anyone recommend a handbook or manual for this?

To assess root colonization by AMF, I want to use the grid-line intersect method (Giovannetti & Mosse, 1980) or even the magnified intersection method (McGonigle et al., 1990). I understand the...

23 November 2020 5,338 8 View

Can anyone help with SDS-PAGE problems?

i'm working on protein evaluation in flour of wheat and others legumes.....I'm using SDS-PAGE. However those days (about two weeks ago) i foudd nothing in the gels (no bands), i dont know what's...

11 November 2020 2,330 3 View

How to analysis drought in lab condition in wheat?

I wish to conduct the drought analysis study in wheat. anyone knows Procedure to conduct drought analysis, especially in wheat crop. Please share the information. I am looking to develop training...

09 November 2020 3,850 4 View