Where is the error in the computation of coefficients of Baker-Campbell-Hausdorff formula?

I have a Lie Algebra with a basis: A_1 = [[0 1 0], [0 0 0], [-1 0 0]] A_2 = [[0 0 1], [-1 0 0], [0 0 0]] A_3 = [[0 0 0], [0 1 0], [0 0 -1]] The Lie brackets are [A_1,A_2] = A_3 ; [A_1,A_3] = A_1...

21 October 2020 1,479 6 View

Looking for the legacy Opticstudio Zemax version 15?

Can someone provide the installation file Zemax Opticstudio15? We have the USB key with the license but not anymore the installation file and Zemax does not provide legacy versions older than...

16 January 2020 588 10 View

How to interpret regression results if dependent variable is logged and independent variables are standardized?

In my fixed effects panel regression analysis the DV (Triadic Patent Families) enters in logarithmic form. To counteract very small coefficients because of different scales in my IVs and enable...

17 December 2018 3,020 1 View

In pop culture, do we remember best the artworks that create a sense of unanimity or those that elicit debate?

This question is motivated by the recent debates that sparked around the release of Star Wars: the Last Jedi. The work is challenging the philosophical assumptions of many fans and is eliciting...

22 December 2017 5,677 3 View

I'm planning a glucose uptake assay.

I'm planning a glucose uptake assay with adult mesenchymal stem cells and possibly rat neural stem cells for my undergraduate thesis. i'd appreciate some recommendations for uptake kits and...

18 July 2017 2,222 1 View

Does anybody have primers for human/mice IFN Alpha and Beta?

Hi everybody, For my Master Thesis I am working on Orthobunya Viruses and for infection studies (in mice, Huh7 cells, etc.) we want to meassure IFN alpha and beta expression, as well as the...

22 March 2017 2,691 2 View

Who did the best mechanical shear-flow experiments for shale ?

At low strain with shear loading and unloading steps.

28 May 2016 344 3 View

Are proteins bound to the extracellular matrix extracted upon lysing cells by scraping in lysis buffer in a PBS-washed petri dish ?

I am wondering if extracellular protein are also taken out when we extract protein directly from a dish (PBS-washed cells). Many protocols appear to detach cells with EDTA and then extensively...

10 May 2016 1,556 2 View

Are there Quantum sensors to measure cosmo-telluric energy ?

is there any interesting quantum sensor to measure cosmo-telluric energy ?

17 November 2015 7,711 29 View

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06 October 2014 7,271 1 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How does an antibody have full intact antibody + half antibody?

Hello, I was just wondering how does a antibody have full intact antibody + half antibody? Is it because of the drug conjugation?

28 February 2021 1,577 1 View

How do I choose contrasts in SPM8?

I am learning how to use SPM for PET and PET-MR analysis, but I haven't found any great resources that explain how contrasts work. I have a series of PET images where our hypothesis argues that...

24 February 2021 1,534 2 View

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...

24 February 2021 1,243 1 View

How to find natural frequency of a bridge from vehicle induced vibrations?

i have frequencies of bridge that are effected by mass of vehicle. the problem is when any vehicle pass the bridge it would add the its mass to the bridge mass ultimately mass of the bridge will...

22 February 2021 10,004 3 View

Does anyone have any ideas why drug-resistant malaria is increasing in Southeast Asia even when those drugs are no longer used?

When dealing with bacterial toxins, there are three varieties of microbes that develop in your petri dish: toxic, resistant, and susceptible. Initially, there are only toxic and vulnerable...

21 February 2021 6,084 5 View

The Role of Town Planners in CAV Use?

Colleagues and I are about to begin a project investigating the role of town planners and local authorities in establishing the introduction of connected and autonomous vehicles (CAVs). What...

21 February 2021 2,247 3 View

What is the most prevalent drug related problem in the developed countries?

Detecting the drug related problems is an important step in the pharmaceutical care plan

21 February 2021 5,421 3 View

No title

19 February 2021 8,647 3 View

How to obtain free lipids starting from concentration over the CMC?

I need to work with free lipids at increasing concentration (50%, 60% of the CMC ect.). I'm now working with POPC and POPG. To reach these concentrations I have to start from concentration over...

17 February 2021 1,676 3 View