Analysis and removal of thiophene from the coke?

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How to extract DNA from buccal swabs in preservative?

I have some buccal swab samples that are in a liquid preservative. Our group is trying to extract the DNA from these samples using the E.Z.N.A Tissue DNA kit and Forensic DNA kit. Both protocols...

26 January 2022 9,843 1 View

Can response surface analysis with polynomial regression be used for (two) repeated measures?

My question is this: if I have data on employee satisfaction at time 1 and time 2, and I want to predict say leaving intention at time 2, could response surface analysis with polynomial regression...

17 May 2021 3,955 3 View

Why is there no ANOVA output for a certain predictor variable in my GLM (in R)?

Configurations: Rstudio v1.3.1093 Packages: car, lme4, MuMIn, DescTools Model: myGLM

22 January 2021 5,474 6 View

Does anybody know the mathematical formula of the Taylor-Russell-Matrices?

I want to determine the success rate of an personnel selection instrument (interview, assessment center...) depending on the validity of the instrument itself, the selection rate and the base...

29 November 2020 7,437 4 View

What is the ideal profile for a prospective franchisee?

What is the ideal profile for a prospective franchisee? Is there any research available on the ideal psychological profile for a prospective franchisee? Q 1. Can we recruit on the following...

29 May 2020 2,822 2 View

Is there a short questionnaire on environmental barriers to physical activity?

Dear colleagues, we carry out a research project in a company neighbourhood/industrial park to promote physical activity in the occupational setting. Using a standardised instrument, I would...

01 March 2020 6,751 3 View

Isn`t it strange that the quality of weight-loss counseling in primary care by GPs, PCPs, dieticians and practice nurses is scarcely studied?

Given the epidemic of overweight and obesity, and primary care practice as the gatekeeper for clients for secondary care, isn`t it strange that the quality of weight-loss counseling in primary...

17 March 2018 5,589 29 View

How to convince medical faculties to increase their courses in nutrition knowledge and skills?

Old problem, new solutions? Nutrition (and lifestyle) play an important role in both prevention and treatment of most of the leading diseases in all stages of life. Medical faculties do not teach...

24 January 2018 7,285 13 View

Recovery of CO2 in Supercritical CO2 extraction

Hello all, For some research on super(sub)critcal fluid extractions, I am examining SFE CO2 systems. On websites of manufacturers of these plants they state that the CO2 used in extraction can...

10 August 2017 5,224 4 View

Intracellular cAMP quantification: Is it feasible in cells/samples suspended in RIPA buffer?

I want to evaluate the amount of internal cAMP levels. Unfortunately, I suspended my cells of desire in RIPA buffer. Is it possibly, despite the harsh buffer, to determine cAMP levels in an...

23 April 2017 3,219 8 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

Aspen Plus Simulation?

Greetings When one is to perform Simulation or modelling of Pyrolysis of Biomass Waste materials using Aspen Plus software, and one has both the macromolecules breakdown (Cellulose, Lignin and...

06 August 2024 5,023 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

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 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

EDC carbodiimide and NHS easter 's half life among different pH?

It has been long known that EDC carbodiimide and NHS easter's half life agains hydrolysis are highly related to pH. However, very surprisingly, not yet found a paper giving a table/chart of their...

25 July 2024 8,738 0 View

Mechanochemistry: ball to powder mass or ball to powder volume?

I run mechanochemical reactions that involves the use of a large amount of catalyst (1:1 molar ratio to the reactant). When I try to understand the effect of amount of catalyst on the reaction, I...

23 July 2024 9,938 1 View

What plants have high levels of sulfur-containing amino acids such as methionine?

Methionine, cysteine, homocysteine, and taurine are the 4 common sulfur-containing amino acids, but only the first 2 are incorporated into proteins. Sulfur belongs to the same group in the...

22 July 2024 4,273 4 View

How to eliminate the carry-over effect in GC-MS/MS system?

Hi, I am a PhD student working at Jagiellonian University, Faculty of Chemistry. My work is related to the development of new analytical methods for the quantification of short-chain fatty acids...

22 July 2024 5,492 6 View

MDCI module in Orca software?

Dear Researchers, My question is associated with the "MDCI" method in Orca. Please let me clarify my question using a simple example: Suppose we are going to perform CBS extrapolation using "!...

21 July 2024 1,632 0 View