How can one calculating the total body surface area in sprague dawley rats?

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I cannot seem to find this information and I apologise if it is my mistake. Considering you have followed the methods of Morrow et al 2002 and your salivary cortisol is presented as ng/ml, I am...

02 March 2020 5,963 1 View

High Yields of Plasmid?

I am trying to produce and purify plasmids from competent cells for transfections however i keep attaining low quantities of around 80-120ng/ul. I am following a set protocol and purification...

28 October 2019 7,668 1 View

Free Cancellation Task?

Hello! I am working on a study where we are measuring executive functions in 6-7 yr old children. We would like a measure of selective attention, but I am having trouble finding a free...

18 October 2018 1,857 2 View

Sampling points required to confirm a species is absent?

I am looking for some advice (possible articles) on the number of sampling points one would need to establish a level of significance to confirm a species is absent?

16 October 2017 6,882 3 View

What is the best place to get a custom antibody made?

I need to produce a custom antibody and I need the company to also synthesize the peptide. Does anybody have experience with a company that they liked?

25 February 2016 3,241 1 View

Should there be any concerns regarding sample size and number of variables when running a multivariable regression, using backward elimination?

Original idea was to run a backward approach (regression) with 80 cases/26 variables (those significant in univariate analysis plus some theory driven variables). However due to the number of...

19 July 2014 9,311 9 View

What are the benefits and impacts of working with tablet devices (ie. iPads) for older adults with health, mobility and cognitive issues?

I am currently working with a residential aged care facility to investigate the use of tablet devices (ie. iPads) with older residents, with a range of health, frailty, mobility, mild cognitive...

25 April 2013 553 4 View

What datasets are publicly available that measure the incidence of corruption/bribery?

Transparency International's Global Corruption Barometer measures the percentage of users of a service who have bribed at least once in the past year to obtain that service in over 100 countries...

29 March 2013 3,207 2 View

How do I reconcile transparency in publication with a funding source that has a strong desire to remain anonymous in all contexts?

My organization received a large grant from a private foundation that has a strict policy of anonymity. This foundation does not regularly fund scientific research, but my work was part of the...

01 January 1970 9,773 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

What are the pros and cons for mice versus rats?

Hi Everyone, I am designing a pilot study using rodents to assess the effects of simulated space environments (radiation + altered gravity) on microbiome and immune system. I have limited...

24 February 2021 1,825 3 View

Alginate and silk fibroin hydrogels toxic to cells?

Hello, I asm currently working with alginate and silk fibroin hydrogels. I prepared a blend of alginate and aqueous silk fibroin (straight from dialysis) and resorted to ionic crosslinking to...

23 February 2021 8,249 2 View

Are there methods for automatically mapping floodplains, fans and terraces?

I want to map these river geoforms with as little subjectivity as possible. I have a high resolution DEM generated by drone data.

22 February 2021 7,800 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

What should be the duration of exposure to simulated space environments with Rodents?

Hi, I am currently working on a pilot study to get some data related to the impact of long duration spaceflight to the microbiome and the immune system. I plan to use rats and simulate...

22 February 2021 592 1 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

Are there any databases for gene co-expression or expression pattern clustering?

I am currently working on gene clustering based on co-expression pattern in mouse brain. The problem is I do not have some solid way to test my result. Are there any suggestions for databases...

22 February 2021 4,374 3 View

Neil Venter

there is the Meeh's formula (A=10 x W2/3, where: A = area in cm2, 10 is a constant and W = weight in grams). I sugest you make templet for scald burn for diferent weigth classes. i dont like it but coudent find a better one. including an article that valides the meeh formula and one of the fist to use it

Antonella Loche

See Table 3 of the attached GL