How do I prepare the standard curve for H202 to calculate H202 concentration using Alexieva et al. 2001 method?

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Ti6Al4V - Phase differentiation between alpha and alpha prime martensite?

Dear Researchers, Is it feasible to distinguish between alpha and alpha prime martensite in the Ti6Al4V alloy under rapid solidification in the as-cast state using XRD, in addition to...

30 July 2024 3,849 0 View

Dear researchers. pl help how to plot jablonski energy level graph and magnetic hysteresis curve in origin?

through origin software

17 July 2024 4,991 0 View

How to make pre-post data analysis more 'sophisticated' than a paired samples t-test?

As part of my thesis I'll be conducting a single-sample pre-post intervention analysis, in which my only DV is ordinal (7-point Likert scale). In my research proposal I said that I would use...

05 June 2024 3,122 2 View

Is the "snowball metrics" mathematically well-founded?

Snowball metrics is used by scival.com to report some performance indicators. This metrics seems rather obscure from the mathematical standpoint. Unfortunately there is apparently (after a quick...

05 June 2024 7,463 0 View

How to deal with zero/negative growth rates in tree growth models?

Tree growth is an important aspect of forestry and forest ecology. Typically a growth rate is calculated as the difference between two stem diameter measurements over a given time interval: (dbh2...

15 May 2024 8,739 2 View

How can technology help hospitalized children?

How do you think technology can help hospitalized children?

10 May 2024 950 2 View

Open channel hydraulics inside pipes, transient regime?

Someone has a computer program, algorithm or spreadsheet to solve problems of transients on a water flow in open channel regime through a circular section (flowing inside a pipe with free surface)?

10 April 2024 9,477 2 View

What are the types of AI weaponry?

What AI weaponry means to you? what are the types?

06 April 2024 3,384 1 View

Whats wrong with the Illumina sequencing?

I recently performed Illumina shotgun sequencing and my fastqc data is as attached. is this correct?

01 April 2024 3,354 6 View

What is the diffusion coefficient (D) for chloroamphenicol antibiotic?

I need to compute the electrode's active surface area.

31 March 2024 909 0 View

What change would occur in physics if the three different sizes of the proton and the two sizes of the deuteron accepted as new physical constants?

For people today, the enigma of the size of the proton still remains enigmatic. However, being myself a researcher in new physical theory which makes it possible to extend the different standard...

28 July 2024 7,823 1 View

Standard curve of H2O2?

Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...

26 July 2024 3,460 2 View

Getting standard errors and T-statistics for Dynamic panel data with instrumental variable method?

Dear all, I have a user written estimation code based on the paper dynamic panel data estimations with fixed effect by Galvao(2009). I have seen many papers using this method and pvalue, standard...

22 July 2024 4,588 1 View

Validated HPLC method for the estimation of the Amphotericin B ?

During the release test of Amphotericin B using 1% Tween 80, i observed three peaks even in the standard. The first peak consistently yielded results around 500%, while the other peaks showed...

08 July 2024 1,330 0 View

Can I use soybean, sunflower, or olive oil to prepare a standard curve for lipid estimation in plants or pollen?

I am trying to analyze lipids in plants; specifically pollen by using Sulfo-Phospho-Vanillin (SPV) Method! Can I prepare a standard curve for this estimation using soybean, sunflower, or olive...

01 July 2024 3,267 1 View

Generating multiple standard curves from a single template?

Hi everyone! After thinking about it on my own, I'm posting a question here. Has anyone ever tried creating qPCR standard curve samples (plasmid or DNA standard) by inserting multiple target...

30 June 2024 1,569 1 View

About the standard of the FRAP in calculation?

Good morning/day/evening salaam I’d like to ask about the FRAP assay again. I have read some articles which represent the data of frap assay as mg trolox equivalent/L, mg ascorbic acid...

27 June 2024 5,239 0 View

can I use Roc Curve in a pilot study?

Hi everyone, we know that the analysis of pilot studies should be based on descriptive statistics and ideally not involve any inferential statistics (i.e., P values). Based on this can I use Roc...

24 June 2024 4,402 7 View

How to do Data Farming and Surrogate Model?

Dear Scholars How is it possible to define an algorithm for data augmentation and use a surrogate model? In particular, I want to use data farming to create artificial data instead of real data...

12 June 2024 2,484 4 View

How estimate the standard deviation or the geometric standard deviation from this database.. i have only the geometric mean.?

I need help

11 June 2024 1,279 0 View