08 March 2022 1 3K Report

This is from an archaeological deposit on a floodplain, and I'm wondering if it's vivianite? It doesn't have the usual structure to it. The photo is at 400x magnification in PPL.

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How to solve MSTRAT software Running problem?

Hello, we have been trying to run MSTRAT Software for developing a core collection of Chilean Garlic genetic resources, but we keep getting the error: ether couldn't execute...

25 November 2020 9,748 2 View

How to characterize the pore size of membrane filtration with bubble point method?

Hello everyone, I am having troubles with the bubble point measurement to find the pore size of my self-fabricated microfiltration membrane, and I couldn't find a proper answer anywhere else. It...

16 November 2020 7,574 1 View

Is there an estuarine influence in the River Lea (or Lee) in greater London?

I can find very general maps showing the tidal extent in the Thames, but does saline water also travel up its tributaries? Can anyone send me or link me to a map showing the extent of estuarine...

29 October 2020 8,892 1 View

Does any know the half life of Betamethasone in mice?

Hello all, I was wondering if someone could help me. I have read a lot of articles that mention using Betamethasone at clinically relevant levels in mice yet no one has mentioned the half-life. I...

08 September 2020 2,255 2 View

Can I use ANOVA with percentage data?

I am looking at the association of two molecules within a cell (expressed as a %association of one with the other). I have looked at this association at three different time points (i.e 6h, 12h,...

01 April 2020 510 4 View

Does any one know any auditory and optic Tests for mice?

Hello there, Before I begin my experiments, I would like to make sure all my mice in my experiment have proper vision and hearing. However the only test I know that would work is administering a...

19 February 2020 5,766 2 View

I'm having problems with Superoxid Dismutase assay. Is there anything I can change in the metodology?

I've been studying plant metabolism and in my lab we ar used to measure superoxid dismutase activity using the methodology of Giannopolitis e Ries, (1977), using the nitrotetrazolium blue...

17 December 2019 7,272 1 View

Does anyone have any insight into researching intermittent fasting and calorie restriction in relation to oxidative stress in the nervous system?

I am interested in researching intermittent fasting (IF) and caloric restriction (CR) in relation to hypothesized positive effects on oxidative stress in the nervous system, specifically in the...

09 September 2019 7,012 3 View

No title

I am trying to create a FIS fuzzy logic file on Matlab. I am referring myself to a pdf which has the rules and triangle form of the membership. The display range of the function is from - 0.2 to...

09 August 2019 8,016 6 View

Precipitated/concentrated protein not dissolving in RIPA Buffer, what can I do next?

Hi everyone. I tried concentrating and precipitating my protein using ProteoExtract Protein Precipitation kit. I did not have any of the buffers suggested to dissolve so I used RIPA buffer....

26 February 2019 3,141 3 View

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In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

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Do I need to ask permission to use pictures for my questionnaire?

I would like to use some photo from a government website for my questionnaire. But, different photo is from the different owner. So, should I just get permission from that government body or still...

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The regenerated cellulose film was prepared by zinc chloride/H2O system. The zinc chloride had been washed away in the regeneration process, and the wet film which was not dried had uniform...

18 February 2021 9,538 1 View

Onset of Photo Oxidation in Polymers?

Hi! I am looking for some specific information in regards to the minimum amount of UV intensity required to begin the photo degradation process in polymers. I understand each polymer is...

15 February 2021 7,703 4 View

Has someone used TTC agar overlay method and can help me?

I have tried to use TTC agar overlay method for a few times to identify respiratory-deficient yeast which were affected by EthBr. The problem is that cells which should have stayed white also have...

22 January 2021 585 10 View

What form of data analysis should I use for my pilot study?

I am currently conducting my final year dissertation which is looking at the efficacy of common police lineup practices. However, before I launch my study, I have put out a pilot study which is...

08 January 2021 4,376 4 View

Any suggestion on the methodology for Soil depth and ph mapping using machine learning ?

Hello, Please, I need your opinion. I want to map the depth of 20,000 hectares of land. I have sampling points of 20,000 with their respective depth attributes and photos of the topsoil(less than...

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Are these IPScs Differentiated ?

Hi everyone, So these are images of IPSCs 2 days post passaging/splitting. I noticed that the overall morphology of colonies are not compact or round and without distinct border. However, at...

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