Any recommendations for distributors of rhamnolipids (biosurfactants) for oil spill remediation?

More Przemysław Drzewicz's questions See All

How to rotate EBSD data in TSL OIM ?

In the context of EBSD data rotation in TSL OIM software, after performing a scan with the sample aligned in RD out-of-plane, TD horizontal, and ND vertical orientation (See right image in...

22 February 2024 3,464 4 View

High cytokine secretion by untreated PBMCs. Cause?

Problem: Cells produce high amounts of IL6 followed by TNF and lower concentrations of IL10 within just hours from cell culture start point regardless of stimulation status (LPS vs. non-treated)....

28 August 2023 964 1 View

Which scaling method in DEM is the best?

Hi, currently I'm working on modelling the viscoplastic behaviour of solid materials by using the discrete element method. I want to use the scaling method to improve the computational time. Do...

09 March 2023 9,815 6 View

Is it possible to perform cannonical correlation analysis (CCA) with two sets of binary variables?

If the answer of the above question is negative, could you please recomend an analysis for that? Thank you in advance! Przemyslaw

05 February 2023 5,912 4 View

Is it possible to measure the "back stress" via compressive loading-unloading-reloading test?

Is it possibile to measure the "back stress" via compressive loading-unloading-reloading (LUR) test? I found numerous publications where back stress is measured using tension LUR test.

28 May 2021 7,173 3 View

Where can I find RoM MoCap sequences?

Dear All, I have some idea on testing the MoCap across the mocap labs. Therefore, I am looking for normal human range-of-motion sequences from different MoCap studios at best Vicon Blade 53 marker...

27 March 2021 5,078 3 View

False positives in statistical outlier detecting when there are no outliers, how?

I have real life data (time series), there might occur distortion occasionally which is to be detected. The detection itself is simple, i have some difference from a predicted values, of which...

17 January 2021 4,115 3 View

Is there a keyword in Gaussian 09 for leaving/getting just converged structures in scan job output file?

I want to get just the converged structures in every point of my scans, instead of getting a lot of points that are not converged and just mess up plots. I know how to manually remove these...

01 September 2020 2,343 5 View

Quantitative determination of allicin by spectrophotometry - how to do this?

I would like to use spectrophotometric method to quantitative determination of allicin in garlic extracts. I tried method by Han et al. (A spectrophotometric method for quantitative determination...

11 March 2020 8,519 3 View

Quantitative determination of allicin by spectrophotometry - how to do this?

I would like to use spectrophotometric method to quantitative determination of allicin in garlic extracts. I tried method by Han et al. (A spectrophotometric method for quantitative...

05 March 2020 3,694 0 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

How to heat polymer for about 130° without oil bath ?

is there any other way to heat a polymer evenly other than oil bath if so what are those and how to use it

06 August 2024 947 1 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

Do you think can be any gas and oil bearing rocks in Eastern part of Iran?

I want to know more about petroleum deposits in Iran.

02 August 2024 8,725 3 View

What is the problem with these tissue culture plants?

All plants are green but some of these plants becomes yellow. I did not found any reason. Please help me to find out the real problem.

01 August 2024 589 4 View

Transfection in HEK293T cells?

Dear All, I am trying to transfect a pCDNA3.1 vector containing my gene of interest. The purpose is to figure out the localization of the protein of interest. I have fused the protein with GFP on...

31 July 2024 9,892 4 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

How to retain the a GFP tagged gene expression in stable cell line?

Hello , I established a stable cell line expressing GFP tagged to a centrosomal gene having G418 drug selection marker. I validated the stable line by IFA and Western blotting, results are fine....

29 July 2024 5,007 0 View

Technology developments may it for whatever reasons developed eventually its benefits are multi-Disciplinatary?

Your comments

28 July 2024 2,822 2 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View