Can I use the EPIC-Oxford FFQ for free?

Designing my PhD project and need to use an FFQ, but we don't have any funding for this part of the project.

09 November 2020 4,541 1 View

Can anyone recomend a "surplus" lab equipment sales company for our thin-film PVD system?

We are scaling down our thin film R&D projects, and are looking to sell off / find a good home for our Thin-film & Nanoparticle Physical Vapour Deposition system. I was wondering if...

16 September 2020 6,550 3 View

Bootstrapping with 4 separate one-way repeated measures MANOVAs in SPSS? Is this possible?

QUESTION: How do I conduct a bootstrapped (within-subjects) one-way repeated measures MANOVA or MANCOVA in SPSS? SPSS has no default setting for bootstrapping these types of analyses. So, in the...

31 May 2020 4,909 5 View

Where to find OnLine Volunteer jobs, solving Algebraic thru Ordinary Differential Equations, in the Math Modeling, Simulation, & Optimization arenas?

I'm a retired applied mathematician seeking a volunteer job using my (math/EE) education and experience in (disc drive/airplane/space) industries. A calculus-level compiler provides a quick way...

16 February 2020 2,394 3 View

Best software/website for generating images for scientific papers?

I'm looking to create images for academic papers which are of better quality than PowerPoint.

08 June 2019 7,991 2 View

Can bacterial DNA "dead bacteria" transplanted into a host's gut microbiota have any beneficial impact on health?

19 September 2017 3,574 3 View

How to remove carry-over in LC-MS/MS gradient method when isocratic method shows no sign of carry-over

I have a new molecule for which I have initially developed an isocratic LC-MS/MS method (Synergi Fusion column, H2O/ACN 20/80 (+0.1% HCOOH)). Analysis of this method gives limited sensitivity...

25 June 2017 1,721 11 View

1.5 hr Exposure to film yields weak signal. Why am I not seeing any bands on my western after o/n exposure to film with the same blot?

I am using the Amersham ECL Western blotting reagent. Following a 5 min exposure, I have no signal. After a 1.5hr exposure, there is a very weak signal. I left film in the cassette to expose...

03 April 2017 8,282 3 View

When using the 'Concrete damaged plasticity' model in ABAQUS, can you view the plastic crack widths that the program is calculating?

Refering to section '18.5.3 Concrete damaged plasticity' in the ABAQUS manual, there is a parameter L0 for cracked damage. Can you output this value? I am getting warnings about negative increases...

10 June 2015 1,092 2 View

What is the earliest published account describing the action research?

Lewin 1946 is often cited, but I'm not convinced. Also earlier papers may not always describe action research in its accepted sense. So when did we see a paper that would relate to what could be...

24 January 2015 3,829 3 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 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

Which is better medicine or food in obesity?

Preference in terms of the scientific aspect

28 February 2021 796 2 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

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

How to use Remote sensing and GIS applications for mapping the available medicinal plants within the locality/municipality?

Hello, I'm very interested in mapping and managing the conservation of the Philippine traditional medicinal plants, in which I think is very helpful in the field of medicine for further analysis...

21 February 2021 374 5 View

Can ethanol be used as an analgesic?

If ethanol has analgesic properties, why isn't it used for clinical purposes?

18 February 2021 8,227 4 View

What is the original citation for the commonly used activity factors for converting basal metabolic rate to total caloric need?

I see the same activity factor (multipliers) in research papers and websites, but I cannot find where they come from. Does anyone know where these originated? I am looking for an original...

18 February 2021 7,635 2 View

Is there a way to grow biofilm in lab to mimic biofilms in showers and baths? Also, how can I measure it?

Hello, I am new to biofilm research and have a question about growing and measuring biofilms. We want to research the effect of a type of enzymes in breaking down biofilms in showers, baths, hot...

14 February 2021 3,522 3 View

I am working on RNA seq data. I want to reduce the dimensions and select the top genes? Can anyone suggest what statistics can be applied?

the dataset has 32k rows and 85 samples. the rows represent genes and columns are samples.

08 February 2021 3,837 3 View