Can anyone let me know where I can get the Cycloviolacin O2 (chemically synthesized) ?

Cycloviolacin O2 is a cyclic peptide that has three disulphide bonds and reported for various biological activities. I am looking for the sources where I can get the chemically synthesized...

21 November 2019 423 3 View

Other than 1,8-naphthalimide dyes, is there any other molecules which can absorb two-photons at a time?

Other than 1,8-naphthalimide dyes, is there any other molecules which can absorb two-photons at a time with possible functional groups which allows modifications

21 May 2018 7,499 8 View

What is the precision of Matlab?

By observing in articles belong to Meta-heuristic algorithms, the best and mean solutions are like 10^{-150} or 10^{-200}. Are they right. What I observed, Matlab considers 10^{-324} equal to...

19 April 2018 8,267 4 View

Hello, Does someone know how to evaluate the intensity of DAB in IHC and the intensity of other chemical staining?

I currently study about the Stroma of pancreatic ductal adenocarcinoma. Therefore I had to deal with various Extra cellular matrix stainings using both IHC and chemical staining methods....

14 February 2018 8,755 1 View

Is it possible to observe protein aggregation using UV - Vis spectrophotometer?

02 April 2017 2,665 8 View

What is the best method to purify basic proteins with pi 7.8?

13 April 2015 5,256 5 View

How can I increase the binding affinity of GST-tagged protein to GST sepharose column?

01 March 2015 7,678 4 View

Why is my protein getting precipitated, even at low concentrations?

I am purifying a recombinant protein (host Rosetta) with his tag. I am getting reasonably good yield (4-5 mg/liter of culture). However after affinity purification using Ni-NTA column, during...

19 June 2014 9,136 4 View

Can anyone help me figure out why I am losing protein during ion exchange chromatography?

I am purifying a protein from a bacterial system and I was able to successfully purify the protein through an affinity column. My protein has a pI of 5.9 and it is stable at higher pH. After...

01 June 2014 8,858 5 View

How much of Dnase can be added and what buffer can be used for cell lysis during protein extraction?

I am isolating protein from more volume of culture. However I am unaware how much dnase to use and also what buffer to use for its activity, if I am dissolving the pellet in 30ml of lysis buffer...

02 July 2013 7,943 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

Image Processing and classification using keras/Tensorflow?

Do you have some recommendations approaches on Image processing and classification of plant diseases using TensorFlow/Keras?

02 March 2021 1,493 4 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View