How to solve a problem in analysis of colistin sulphate using HPLC-UV?

Hi everybody, I am setting up a method for analysis of colistin sulphate by HPLC-UV. I tried different previously-published methods but the results were not acceptable (long run time, bad...

16 January 2021 5,911 3 View

Does hyaluronic acid aggregate in the pH range of 3-4?

Dear researchers and Scholars Is it possible for aqueous hyaluronic acid solution to aggregate when entering to the colloidal nanosolution with pH about 3-4 ? I want to add hyaluronic acid to coat...

09 September 2020 9,688 3 View

How to get stable polymeric micelle?

03 July 2020 8,476 2 View

Why absorbance of dye solution increases after long irradiation time?

I have observed that the absorbance is increasing at long irradiation time during photocatalytic experiment for a perovskite material .Even I completely separate the catalyst particles with the...

13 December 2019 3,911 5 View

Has anyone ever used FCN (deeplearning) for one dimensional data in structural damage detection?

I'm working on deep learning in structural damage detection on bridge by signal (that is one dimensional data) . for that i want to get some information about Fully Convolutional Networks (FCN) in...

13 November 2019 9,347 3 View

Connected component label in matlab?

I want to connect these labels .can I just connect these without converting it to bw ? and I need help in the algorithm of connecting these labels in matlab.Thank you

19 July 2019 7,777 5 View

Parsing of building facade in image processing?

Hi, I am trying to to have a segmentation of building facade just like these two pictures that I have sent.I have tried watershed algorithm but unfortunately it did not work. I mean I could not...

20 June 2019 9,511 3 View

Hi, i am looking for anionic polyacrylamide or poly(acrylic acid) with charge density around 2 meq/g and low mw of 50000 g/mol?

what chemical suppliers are providing such polymers?

09 September 2018 7,331 1 View

How to generate retroviral producer cell line using big construct?

Hi there, I want to generate retroviral producer cell line using Phoenix eco cells for transfection and E86 cells for transduction. My construct is about 9.2 kb but the insert part (from 3' of...

11 June 2018 6,842 6 View

How can I calculate the proper sample size in convenient sampling?

The population being studied is well over one million. Unlike probability sampling, i guess there's no formula for computing the sample size in convenient sampling? Still I wonder what would be a...

03 December 2017 6,895 4 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 define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 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

No module named 'tensorflow.keras.backend.tensorflow_backend' ?

System Description Cuda 11.2 GeForce GTX 1080ti tensorflow version 2.4.1 keras version 2.2.0 python version 3.8 I was getting the below error when I try to run my code on the...

25 February 2021 6,673 2 View

Implementation of chance-constrained optimization problem via scenario approach?

23 February 2021 7,826 2 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

How can I retrieve FASTA sequence from gene ID or UID of a Gene ? I have GeneBank IDs ?

I treid to use Entrez Batch, but it redirects me to NCBI site. Is there any script of Linux or Python through which I can download Fasta sequence of list of gene ID ?

21 February 2021 7,783 12 View