Have you ever crystalize in acid or base?

More Navya Nanattil's questions See All

How to train a neural network for prediction of position in 2D plane robotic manipulator?

how to implement neural network for 2D planar robotic manipulator to estimate joint angles for a commanded position in a circular path? and how to estimate its error for defined mathematical model...

19 July 2023 1,840 2 View

Can anyone help with defining the material HfON in Silvaco TCAD?

This is for the project the I am doing.

14 December 2022 4,519 0 View

Can anybody suggest a best protocol for culturing primary cortical neurons from post-natal rat pups?

I have been working on culturing primary cortical and hippocampal neurons and finding difficulty in maintaining them for long term. Have gone through several papers and found different way to...

18 October 2022 3,679 0 View

How to specify a Firth Logistic Model?

Hello All, For logistic regression, the model may be specified as: Pr(yi = 1

17 December 2021 1,939 5 View

Can I have multiple SEM models with different IVs in one paper?

Hello All, I have: # 3 IVs: IV-A, IV-B, IV-C # 2 MVs: MV-A, MV-B # 1 DV: DV The model is IV--> MV-A, MV-B --> DV, with parallel mediation by MV-A and MV-B. I want to show that IV-A...

15 November 2021 8,204 0 View

How does mediation turn an insignificant negative relationship into a positive significant relationship?

Hello All, Please consider 3 variables: - DV - dependent - IV - independent - MV - mediator Am using PLS-SEM for analysis. And this is my problem IV --> DV is a negative, insignificant...

29 October 2021 5,180 2 View

What to do when EFA and CFA return different number of factors?

Hello All, I have 7 items: 4 positively worded, 3 negative. The 3 negative ones are reverse coded. EFA on the 7 items returns 2 clean cut factors: 4 items in Factor 1 all positive, 3 items in...

03 October 2021 2,929 6 View

What software are available for OrdPLS?

Hello All, Ordinal partial least squares (OrdPLS) is appropriate for structural equation modelling of ordinal data. It uses polychoric correlations instead of product-moment...

18 September 2021 2,213 0 View

Is there any selective media for the isolation of Bacillus genus, prevotella genus, and streptomyces genus ?

I want to isolate the following genus prevotella, bacillus, and streptomyces from the seed and leaf samples. Is there any selective media to isolate only those and avoid others?

31 August 2021 3,779 5 View

What are acceptable levels of "relative GoF" for PLS-SEM?

Hello all, Vinzi, Trinchera and Amato (2008) suggests that relative goodness-of-fit (GOF) >= 0.90 "clearly speaks in favour of the model." But is there a range that says what is minimum...

17 August 2021 2,158 0 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Determining the worth of a point improvement in Hamilton Depression Scale?

Dear readers, Thanks for your attention. I am wondering about the health economic problem of quantifying the value of interventions which a) prevent, b) improve symptom profile and c) ultimately...

05 August 2024 3,246 1 View

What is saturation solubility of insulin in saliva?? I need it to know sink condition ?

05 August 2024 4,407 0 View

Conjugation of PEG-Amine to an Amino Acid Using EDC?

I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...

31 July 2024 2,033 1 View

Why Powder XRD is performed after cruhsing a crystal if Single Crystal XRD analysis of the same crystal has been performed already ?

What information we can get from PXRD analysis other than from SCXRD analysis of a crystal ?

30 July 2024 6,261 4 View

How to explain the different interaction between soluble and insoluble polymer in water?

Hello everyone, I am try to understand the differences interaction between insoluble and soluble polymers in water with metal ions and how theit charge density (of metal ions) affect the interaction.

29 July 2024 6,350 3 View

Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

29 July 2024 4,570 0 View

How to know the b axis of a single crystal?

How to apply magnetic field parallel to b axis of any crystal

29 July 2024 4,083 2 View

What is the solubility of Iron (+3) in Bismuth Oxide?

Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco

29 July 2024 2,163 1 View