Any Homemade Organic Synthesis Practices?

Hi everyone, I am a teacher of Heterocycles Synthesis, Is there a home practice that you recommend for undergraduate students? A simulator would also be useful Due to the pandemic, students...

18 February 2021 2,769 4 View

How do I know if my GLM using selection of models by Akaike Information Criterion is ok?

I'm trying to see the isolated and combined effects of precipitation and three different human disturbances indexes are having an effect on the growth of a cactus. I have a gradient of eight...

16 May 2020 5,868 5 View

How to interpret TGA degradation temperature shifts in encapsulated essential oil?

Hi, I am encapsulating essential oils in silica mesoporous nanocapsules. I performed a TGA just with the essential oil and another one for the silica nanocapsules loaded with the oil. I identified...

23 April 2020 3,069 1 View

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I took four slides out from -80 freezer. Then I realized one of the reagents was over but I couldn't see it before because the container is dark. What can I do? Do another staining or can I...

25 July 2017 7,733 3 View

Start programming in Julia?

I want to start programming with Julia, what would be a good starting point? Any book, online free course or recommendation?

05 June 2017 7,781 2 View

Has anyone worked on physical behavior of wood with comsol or ansys?

I seek to share information... Thanks

10 November 2016 3,811 0 View

We are interested in electronic devices that measure the diameter of the trees daily and communicate with data logger. What are the best devices?

09 October 2015 6,788 6 View

Does someone know the range of malondialdehyde of a plant of rice under heat stress?

I'm working with high night temperature in rice. In some articles I find a range of 20-200 nmol g-1 fw and others a range of 2-50 nmol g-1 fw. Are these ranges correct?

19 March 2014 5,109 3 View

How to interpret an absortion peak around 220 nm in a silver nanoparticle solution?

I've synthesized silver nanoparticles via sonochemistry. In addition to the well known peak around 400 nm, I've observed another one around 220 nm which do not correspond to any of the reagents...

17 June 2013 9,142 27 View

Which assay at plant level is better for screening if bacteria have plant growth promotion activity?

Plant species? Conditions?

16 May 2013 9,294 5 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

Why am I not able to use all VEP programs for the in silico analysis of avpr1b SNP's?

Good day researchers I am busy analysing the predicted effects of certain SNP's in AVPR1b. When using the VEP prediction programs (SIFT, Polyphen, FATHMM, LRT, Provean, Mutation Assessor, and...

28 February 2021 5,197 1 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

High aspect ratio hexahedral mesh optimization solver?

I am interested in evaluating mesh optimization solvers that converge to high aspect ratio unstructured hexahedral grids. In other words, I am interested in a solver that optimizes warpage,...

26 February 2021 7,279 2 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

Anyone with some Transgenomic Wavemaker software? Seeking help from the chromatography community?

I am trying to seek out some Transgenomic Wavemaker software (happy to purchase a computer too) to operate a fraction collector. The only way to connect to the fraction collector so far is to...

23 February 2021 9,181 1 View

Any Differences in COVID-19 vaccines?

Are there any differences (outside of the clinical trials that led to their EUA) observed in the rate of infection among those who have received the Pfizer vs Moderna vaccine since the mass...

22 February 2021 9,727 6 View

How to validate regridding results of environemental data to higher spatial resolution in R?

I am working with several continous, environmental marine datasets at varying original spatial resolutions. My aim is to regrid each dataset to one common, high resolution grid. I am currently...

22 February 2021 2,290 2 View

The Role of Town Planners in CAV Use?

Colleagues and I are about to begin a project investigating the role of town planners and local authorities in establishing the introduction of connected and autonomous vehicles (CAVs). What...

21 February 2021 2,247 3 View