Is there any one who can provide me SAS syntax for Probit analysis and determine de LC50 & LC95?

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Standard test to execute cylic triaxial for filter tailings (underground gold mine)?

Dear Network, I am currently working on a project involving filter tailings derived from an underground gold mine. These tailings will be mixed with unmineralized waste rock to construct the...

03 June 2024 3,759 1 View

¿Qué método de investigación sería el más adecuado para indagar sobre el racismo en las comunidades racializadas en España ?

Cómo el racismo que está integrado en las estructuras sociales afecta a las comunidades que ya están en riesgo de exclusión, como las comunidades racializadas o marginadas, y cómo esto hace que...

10 March 2024 1,491 3 View

¿Aplicarías el método cualitativo o cuantitativo para investigar sobre el riesgo de exclusión que sufren las personas con discapacidad intelectual?

Qué método sería el más adecuado para investigar este colectivo, de manera ética y respetuosa, para obtener información relevante sin violar sus derechos.

10 March 2024 612 1 View

Handling procedure of brain samples for RT-PCR / Western Blot?

Hello, What would be the best procedure right after extracting brain samples from mice, if we plan to analyze the samples later ? Would it be best to just directly flash freeze the brain...

28 February 2024 7,384 1 View

Can an electrical charge q to be huge in charge and small in size(shape)?

In simpler terms, if an electrical charge ‘q’ is so small like a test-particle regarding its dimensions but huge in its electrical charge, is there any substance in nature or phenomena where a...

01 February 2024 5,347 4 View

Which statistical tool or test can be used for dose-response curve with time component?

Hello, We are trying to analyze data from different patients. Here's the summary for the entire cohort: 1) Each patient will be followed over time. 2) Each patient will be given a starting dose...

19 November 2023 5,434 4 View

Hi, in cells metabolomics. How do yo prefer to normalize data, by cells number or protein concentration?

I'm working with two cells lines, the same origin but different metabolic activity.

04 October 2023 1,800 2 View

Radial solution R_l(rho) being multiplied by n^l, which generalization is possible for the Bessel differential equation?

Good morning, I have been asking myself the kind of differential equation obtained by modifying the radial solution Rl(rho)=Al jl(rho)+Bl neumann l(rho) Eq.1. analyzed from the Helmholtz equation...

17 September 2023 3,207 0 View

Q-TwisT (Quality adjusted survival analysis)?

I am trying to do the partitioned survival plot for a Q-TwisT analysis. I am not sure what I should use as censoring when calculating the Toxicity state as the survival curve is the time that the...

14 September 2023 5,305 0 View

Why my HPLC-PDA results aren't comparable the one I get using colorimetry?

I am standardizing a UV-VIS screening method that allows me to quantify provitamin A carotenoids. The results will be compared with samples quantified by HPLC, which is my Gold Standard....

06 September 2023 1,850 2 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 4 View

Why does my protein refolded to beta sheet during thermal denaturation analysis?

Hi! So i attempted to understand a novel protein behavior towards heat application by analyzing its secondary structure change. I subjected the protein to a thermal denaturation analysis using...

06 August 2024 1,989 3 View