What are the reliable tools for soil pH and NPK testing?

I have found some tools which would be inserted to the soil, but I'm not sure about its accuracy. Can anybody suggest inexpensive, easy-to-use, accurate soil testing tools/kits?

30 September 2020 1,580 3 View

Are there available scales or questionnaires to measure change management?

Seeking to connect with authors who may want to share their scales or questionnaires to measure change management.

27 September 2020 374 6 View

Carbon content over 100 in a charcoal sample under treatment at 1200 C?

After elemental analysis of the samples, carbon content of the charcoal was 102 (several repetitions were made, but obtained the same values), the equipment was tested with other samples of wood...

02 September 2020 1,971 2 View

Google Earth Engine for Multitemporal analysis (Land Use Land Cover Change)?

Hello. I am reading about Google Earth Engine (GEE) and their applications for vegetation, landcover and agriculture mapping. I am analyzing an area of 20Mha to determine a multitemporal changes,...

01 May 2020 2,059 11 View

Can anyone share with me a detailed protocol for performing a Plaque Reduction Assay to test anti-viral activity?

I am working with a team looking into testing antiviral activity of naturally occurring substances. We have not decided on the specific protocols but I am leaning towards the plaque reduction...

18 April 2020 762 3 View

How to fix ions in a protein during MD visualization?

I performed a molecular dynamics in GROMACS 2019.2 of a protein with zinc fingers (50 amino acids). When I visualize it with Chimera the ions jump everywhere.

05 April 2020 9,401 7 View

How can I implement a script in Chimera?

I want to evaluate several structures, the distances between two atoms.

21 March 2020 8,486 3 View

Why is there no yellow formation? (Alpha Glucosidase inhibtion assay)?

I'm currently doing the assay for inhibition of glucosidase. 50 uL of extract and 50 uL of glucosidase were incubated for 15 mins at 37 C. Then, 50 uL of 4-nitrophenyl-a-D-glucopyranoside. It...

09 September 2019 1,160 3 View

How do you create a micelle instead of a liposome?

Hello, I trying to create a PEGylated liposome through the post-insertion method. This method uses pre-formed liposomes and incubates them with peptides conjugated on micelles to transfer the...

09 May 2019 4,619 3 View

What antibody is used for the E. histolytica amebiasis antibody test(blood)?

I am trying to see if I can test the serum of infected mice with this antibody

15 January 2019 8,257 6 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

How to get onecolumn document from standard IEEE ACCESS LateX template?

I have prepared a manuscript in IEEE Latex template, but for some purpose, I need to prepare a word file as well (detailed format is not required). Compared to two column .tex file, one column...

02 March 2021 1,830 3 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 can the modification of garden soil cause global warming?

Hello, I am working on a soil project and I found a primary research article that tests how the modification of agricultural soil can cause global warming, using a thermal collector, however I...

02 March 2021 7,161 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

How can I convert .vesta file to a .cif file?

I've used the "export data" option in Vesta software to convert my unit cell into a cif file however when I use that cif in atomsk it shows error such as "can't read the position of atom 0". If I...

28 February 2021 4,966 3 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials?

Hi, all! How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials? I have not find the choice for explicit element in Abaqus CAE. I am wondering whether it is possible...

25 February 2021 9,936 2 View

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25 February 2021 5,713 1 View