How can i do batch reprocess with Xcalibur 2.0?

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How to check normal distribution in a cell viability test?

To choose whether a parametric or a non-parametric test should be used to compare data on viability that emerge from an assay such as MTT, one should establish if the data are normally...

02 February 2021 1,733 4 View

Why I observe different growth curves in Flp-In T-REx system?

Hi, I'm currently working with the Flp-In T-REx system to get isogenic stably transfected cells expressing my GOI (gene of interest, of about 1.4 Kb). I have generated a Flp-In Cell Line and since...

17 February 2020 5,608 2 View

Why does my MS show me only base peaks?

After changing the septum of my Focus GC connected to a DSQ II MS and after a complete cleaning operation on it, my mass spectrum became completely random. It shows me only base peaks in a...

10 June 2019 481 4 View

Can anyone suggest key literature and leading institutions in the field of Energy Transition?

Dear all, My background is in Energy Economics and Political Science and I would like to improve my knowledge on the Energy Transition issues. In your opinion, what are the most relevant and...

25 October 2018 8,507 7 View

How to simulate 3D beam to 3D beam contact in ansys APDL?

Hi, I'm modeling a lattice structure and I would like to insert the contact elements between 3D beams to get the whole structure non linear deformation. Since I never used contact elements before...

22 July 2018 1,551 2 View

GNSS Carrier phase Single difference residuals?

Dear all if I have the SD carrier-phase measurements how can I compute the SD residuals? Do i need to calculate the SD residuals before fixing the integer ambiguity?

10 April 2018 7,001 2 View

Interpolation of product formation in biocatalysis using integrated Michaelis-Menten equation?

I want to interpolate the amount of product formed (as concentration or % of conversion) vs reaction time in a biocatalysis process. The fitting equation should have as (y) the amount of product...

15 January 2018 6,790 3 View

What is the main goal of modeling, and maybe of scientific knowledge tout court?

While ideally aiming at understanding an empirical phenomenon, and at the same time predicting its behaviour, scientists often focus only on one of these two aspects. Is this the dilemma of a...

13 November 2017 6,036 5 View

Are there physical applications of Banach-Tarski Paradox?

Banach-Tarski Theorem (also known as Paradox) is a mathematical statement which says that a sphere can be splitted into two (or an integer N...) spheres each equal to the original one. Do you know...

30 October 2017 9,335 2 View

What is the state of art regarding Navier-Stokes?

Which is the status of mathematical research about existence and unicity for Navier-Stokes equations (and boundary problems) for finite or infinite domains? Gianluca

17 October 2017 1,618 3 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 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

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

Mixed ANOVA - help?

I'm currently working on a piece which asks to conduct an ANOVA - looking at the effect of sporting group (2 levels), and exercise trials (two trials with six levels). I've computed this all...

27 February 2021 9,626 4 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

To date, according to health authorities, 30% of the population's diseases are initiated by drinking water pollution. Do you know this problem?

The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...

23 February 2021 912 5 View

Multinomial probabilities and confidence intervals - obtaining the CI of the reference category?

Hi, Some background to my question: I have fitted 1st order multinomial Markov models with covariates. Since all probabiilties (for each row of the transition matrix) sum to 1, I estimate only...

22 February 2021 2,541 4 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View

How to extract water soluble amino compound from after aqueous work up?

4-Dimethyl amino pyridine is used in reaction.Product formed contains amino group along with amide & is highly water soluble. To remove 4-DMAP aqueous work up done. Please give solution. Thanks.

21 February 2021 1,883 1 View

Eef Dirksen

Hi,

Which raw file is in row 1? And does it exist?

Gianluca Calesso

Eef Dirksen yes! the file exists! in row 1 there is the first standard. The sequence is built in this way: 5 standards, the QC sample and then all the unknown samples

Teresa Cecchi

please check that it was not aborted; this was my case when I got the same message

Basma Najar

Hi, i have the same probleme. Can you please let me know how you fix this. thank you