What is the best (accurate and preferably cheap) way to detect THC levels in rats?

07 April 2016 0 6K Report

What is the best (accurate and preferably cheap) way to detect THC levels in rats?And again, preferably using blood/urine.

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Hello Everyone, I know IL-1B is a soluble protein. So how to extract it from the supernatant? Please advice. Thanks!

05 January 2021 7,349 5 View

Is it possible to identify/classify rubber using satellite imagery with machine learning?

As of now, I am trying to explore the potential of using high/very high-resolution satellite imagery with machine learning (ML) to identify or map forest cover (e.g. rubber). As a newbie in this...

17 November 2020 7,187 3 View

Are there any EEG facilities for hire?

I need to run a quick EEG experiment. I don't want to spend time and money to set my own lab. I wonder if there exist EEG labs that can run an experiment for me for a fee?

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How do you report undetermined Ct values?

I have knocked down a gene of interest using siRNA and am using qRT-PCR to confirm reduced expression. All samples treated with non-specific siRNA have Ct values around 35, but all samples...

29 July 2020 8,198 3 View

Use of spherical silver?

Where is silver in spherical shape used other than for solar cell electrodes? Most of the silver in electronics seems to be flake. Is this statement accurate?

24 May 2020 7,604 3 View

Insect Population Counting and Studying Traps - recommend a good book or source for info on?

Hi, I'm looking for an entomologist that can recommend a good book on the trapping of insects for study. Thanks

30 January 2020 2,710 2 View

IHC: Monocyte vs Macrophage?

How would you distinguish peripheral monocytes from tissue macrophages with IHC? Specifically, I am interested in looking at rodent brain tissue. Any help is appreciated! Thanks, Dan

07 October 2019 2,683 3 View

Where can I find data on urban land cover in the UK from the 1960s?

I'm modelling insect populations over time (1968 - present) in the UK at over 500 sites. I have detected a decline in sites that are mainly suburban (based on 500m radii using the CEH Land Cover...

02 September 2019 535 3 View

Would (groundwater) dissolved noble gas concentration change after isolation from gas exchange with air?

Dear scientists of noble gas and hydrology, Would equilibrium and/or excess concentrations of noble gases change after isolation from gas exchange with atmosphere? (Non-atmospheric noble gas was...

20 February 2019 255 5 View

Is there a way to control for categorical groups to calculate partial correlations for various measurements?

I have a sample size of 30, representing three different groups (one intervention and two controls). I would like to see if there is an association between my dependent variable and 4 self-report...

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what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

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Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

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How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

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How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

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