Can we use distributed acoustic sensing in lab scale (~cm) applications?

I am looking for a way to increase the number of sensors in acoustic emission lab experiments. Fiber optics (DAS) is a natural candidate but the standard resolution is several meters. Is it...

20 September 2020 7,764 4 View

MHCI IP for MS what detachment agent to use?

Dear colleagues, We are planning to run some MHCI IP experiments to identify MHC-bound peptide in adherent cells. I was wondering what do you usually use to detach the cells? I found accutase as...

26 August 2020 2,931 1 View

What is the best way to obtain protein active center for quantum mechanic studies?

Hello there, I am going to model a simple reaction between Fe from heme of human erythrocyte catalase and hydrogen peroxide using QM methods. Before that I need to have valuable structure of...

13 August 2020 8,181 4 View

Which level of theory choose as a reference method?

Hello everyone, I do calculations on compounds with about 25-30 atoms (hydrogen, carbon, oxygen) and about 110 electrons in a water solvent (SMD solvation model). These are optimizations and...

05 June 2020 7,102 10 View

Why does Gaussian converts B3LYP to UB3LYP automatically?

Hello, I'm submit to Gaussian09 input file of molecule as in attached image. The problem is upon execution, when method is automatically changed from B3LYP (restricted by default) to UB3LYP and...

03 December 2019 4,626 2 View

Shipping Arabidopsis seeds to the USA?

I want to send the seeds of Arabidopsis mutants to the USA to my friend laboratory. Is it possible? And is it legal?

05 June 2018 4,545 3 View

What is the sequence of synthetic miRNeasy Serum/Plasma Spike-In Control cel-mir-39?

26 June 2017 4,629 8 View

How to calculate number of all particles in each cell in Fluent?

Hello, I would like to calculate number of all particles in one cell in during dpm simulation in fluent. Macro P_N(p) gives only number in single stream. Have anyone any idea?

10 May 2016 6,660 9 View

Any advice on a viscosity model for polyesterification phenomena?

To specialized in polyesterification: Does it exist any empirical equation that describes behaviour of viscosity changes as time-dependence function? To be precise, there is a precursor solution...

28 November 2015 7,356 2 View

Is there an organic solvent for TiO2 available?

Is there anybody who can reveal which one of organic solvent (or system) will be suitable to dissolve the titanium dioxide? I'm sure it's possible, but in non-conventional route. Any articles or...

18 December 2014 6,074 4 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 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

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View

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25 February 2021 5,713 1 View

Implementation of chance-constrained optimization problem via scenario approach?

23 February 2021 7,826 2 View

Fictitious Boundary Meshing Method (FBM) in Commercial FEA software?

Is it possible to implement FBM in a commercial FEA software package, such as FEMLAB, COMSOL, or open source software like Moose?

22 February 2021 2,968 1 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View