How to solve carry-over and interference problem when detecting tulathromycin by LCMS?

I am working on the determination of tulathromycin in rat faeces using QE-focus (Thermo Fisher)(Waters BEH C18, 2.1x100mm, 1.7um)(0.1%FA+H2O, 0.1%FA+ACN) . I encountered two tricky problems....

02 January 2021 2,713 5 View

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21 October 2020 7,860 3 View

Can anyone share image dataset of food such as cheese, fruits, one object per photo?

I need a dataset of food items. Prefer one object per photo. Any hints are helpful.

05 October 2020 536 5 View

Electropolymeriztaion to synthesis polymer film. But it is too thin, what to do?

Hey guys, these days I am using electropolymerization to form polymer film. I mimiced the procedure of the paper, and got very thin membrane (~hundreds of nanometer), while the paper says they...

24 August 2020 3,379 7 View

Is there a gentle method to reduce cuprous oxide to copper while maintaining the original morphology?

Hello, Recently, I have synthesized some cuprous oxide nanomaterials and want to reduce them to metal while maintaining the morphology. Is there a way to do this?

04 August 2020 4,850 3 View

What is the best way to register crop point clouds and spectral information in a plot of the field ?

Hi everyone, The goal: i want to register crop point clouds and spectral information in a plot of the field. The data detail: 1.The crop point clouds will be obtained by terrestrial Lidar (or UAV...

05 July 2020 9,128 5 View

The collagen gel evaporate with 3D organoid model (air Liquid interface method), why?

Hi, guys, I have a queation, please help me. I used air liquid interface method to do 3D culture. This is the first time to do it. the collagen gel prepared according to literature, 8 vol of...

13 May 2020 7,288 2 View

Can someone recommend me how to plot such pie chart for analyzing antibody germline usage and somatic hypermutations?

I would like to analyze the germline usage and somatic hypermutations of a large number of antibody sequences, can somebody recommend a software or R package to generate such pie chart plot...

28 March 2020 9,574 2 View

How often to get more loci/SNPs from reference based compare to de novo in RADSeq?

Hi, I have this simple but wired question that how many of you ever compared the results of the same data set using both reference-based and de novo approach, and get more loci/SNPs using the...

16 February 2020 9,641 4 View

Can pramipexole be used instead of apomorphine for the verification of 6-hydroxydopamine induced Parkinson's disease mice model?

since apomorphine is not availble, and pramipexole and apomorphine are both dopamine receptor agonists, so I'm wondering if I can use other dopamine receptor agonists to verify the rotation test...

08 January 2020 152 3 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