Which statistical test to use for comparing percentages between multiple groups?

Hello everyone! I am looking for some statistical help! I am working in in vitro micropropagation and one of the aspects that I am studying is the rooting of plants in 10 different growing media....

14 January 2021 7,575 5 View

QUANTUM INFORMATION: Why a Toffoli gate can be used to obtain any permutation gate?

Hi, i am sudying some quantum computer science and I am really struggling to find an explanation to the question done above. Any kind of help would be wonderfull. Greets.

09 November 2020 4,657 3 View

Size-exclusion chromatography for the isolation of EVs?

Dear all, I am currently doing research on extracellular vesicles (EVs). I'd like to improve the isolation method by trying out size-exclusion chromatography (SEC) compared to serial...

07 September 2020 4,412 5 View

AMOS ERROR: The model is probably unidentified. In order to achieve identifiability, it will probably be necessary to impose 1 additional constraint?

Hello! Im having trouble with running this model and i have no idea what to do. I keep on getting the message that it is unidentified.

03 September 2020 7,556 4 View

How to obtain Uranium metal from Uranyl Nitrate?

I got some Uranyl Nitrate crystals and want to get Uranium metal, to start, think I can use heating to decompose the nitrate salt in order to get the oxide, and then I should reduce the oxide to...

22 August 2020 525 3 View

How to use Mixed Model ANOVA for non-normal data?

My design is that of repeated measures (within-subject design). That is, the subjects (name) are the same through the groups (group). This implies that there is dependency between the data, which...

18 July 2020 2,731 12 View

You can support me in a study on COVID-19?

Hello, I am a psychological researcher. We are conducting an investigation on COVID-19 and I hope to have your support....

17 July 2020 8,402 13 View

Is it possible to obtain a product similar to composting from organic waste in 24 hours?

We are working on the mathematical modeling of the decomposition of organic residues for the realization of a reactor of a product similar to composting in approximately 24 to 48 hours, although...

16 July 2020 2,697 16 View

Is it possible to compost in 24 hours?

We are working on the mathematical modeling of composting for the realization of a composting reactor in approximately 24 to 48 hours, although first I would like to know if it is feasible and if...

14 July 2020 1,838 7 View

Is there a mathematical model that describes the composting process?

These models can be of the different stages of composting, either from the thermophilic or mesophilic stage. Thanks

22 June 2020 3,462 6 View

Tooth extraction and subsequent dental implant placement in Sprague-Dawley rats induce differential changes in anterior digastric myofibre size and ?

01 March 2021 7,254 3 View

CDNA synthesis or qPCR did not work?

Hi everyone! I extracted RNA from urine pellet using phenol-chloroform method. The yield of RNA was 160ng/uL. 3uL of RNA was used for cDNA synthesis in 20 uL reaction using Go-Script kit....

05 February 2021 6,587 4 View

Is not POLITICS involved in science these days?

Respected Fellows, First and foremost, wish you all, all the very best for the year 2021!. I was formerly a faculty member in Canada (2006-2011, Assistant Prof.), then came back to my...

04 January 2021 7,886 4 View

In the case of SEM (scanning electron microscopy) of Fasciola gigantica, some white spots/substances were found but what are the causes for these?

In the case of SEM (scanning electron microscopy) of Fasciola gigantica, some white spots/substances were found but what are the causes for these?

03 January 2021 8,525 3 View

What are the thermal properties of fibrous, callus and immature bone?

Hi... I am currently working on a project about dental implants. In this project, I require the thermal properties of fibrous tissue, callus tissue, and immature bone. I'd appreciate it if anyone...

20 December 2020 9,043 1 View

What sensor is able to measure linear position in space, relative to a set surface?

I am working on a capstone project for my mechanical engineering degree. Our design is an attachment for dental drills that will detect the drilling depth as the procedure is happening and will...

06 November 2020 3,265 6 View

QPCR considerations in analyzing samples from the field?

I am attempting to plan a qPCR experiment in which I evaluate the expression of multiple genes in various brain regions of fetuses, as a function of location in utero (intrauterine position,...

31 October 2020 5,788 1 View

What is the best method for miRNA expression analysis in Rat hippocampus?

Hello to all. I am performing a thesis on Cognitive disorder modeling in rats and the effect of Pharmacological Treatment on the disease and the expression of certain miRNAs. I am seeking...

14 October 2020 6,690 1 View

Western Blots: Fluorescence beta-actin and chemiluminiscence samples?

Hello, I have a question about the labelling of samples and housekeeping proteins at western blots (WB). What do you think, is it correct to get bands of samples on a WB membrane by...

02 October 2020 2,743 4 View

Why decreasing the curing tip diameter does not lead to an increase in irradiance in dental light curing units?

Logically, using a smaller diameter light curing tip should increase the irradiance of an LCU. In reality when measured, an LCU unit with a smaller tip diameter will generate a nearly 5x decreased...

09 September 2020 8,145 3 View