Mouse Cell Line STR Profiles?

Does anyone have STR profiles of mouse cell lines from the following strains: C57BL/6 129 FVBN BALB/c Swiss black Which company did you use to authenticate the cells?

07 April 2019 4,519 2 View

Is it possible to store LN-2 frozen tissue biopsy samples at -20C?

I am looking to treat thyroid tissue with Iodine-131 and need to hold the tissue in a 'contaminated tissue' freezer, although the freezer is -20C as opposed to -80C. I usually store all tissue at...

06 September 2017 8,124 4 View

Does an electron emit EM radiation when it accelerates or when its energy changes?

Motion in a straight line (non-relativistic) is F = ma, the force changes the velocity and therefore increases the energy E = 1/2mv2. For motion in a circle, the centrifugal (centripetal if you...

05 April 2016 4,493 6 View

Are there any researchers looking at non-wave theories, in particular particle descriptions of quantum effects?

I am particularly interested in liaising with people that are looking at quantum effects by looking at particle (say photon) interactions only, without resorting to wave behaviour. For example,...

17 March 2016 6,884 69 View

What is the best arabidopsis thaliana root RNA extraction method?

I am growing A. thaliana roots on agar plates and trying to extract RNA to use for gene expression analysis. Currently, I can't seem to get a concentration above about 15 ng/ul, and even then,...

03 February 2016 4,772 3 View

Can TEM be used to image amorphous sections and grain boundaries, specifically crystal boundaries of anatase TiO2?

I am studying the annealing process of TiO2 nanorods (1um tall, 50nm wide) as they convert from amorphous to anatase, and it would be useful to 'see' the amorphous portions. I'm using selected...

02 October 2012 2,560 25 View

How do I best prepare a TEM sample of titanium dioxide nanorods to get a cross-section of a single rod to see variations in the crystalline structure?

18 June 2012 1,207 7 View

Calibration Issues with Flame AAS (Atomic Absorption Spectrometry)?

When calibrating the flame AAS (AAnalyst400) with mixed-metal standards I receive an error message "No calibration because the signs of absorbance and concentration may differ". This message...

01 January 1970 8,866 0 View

What is the place between learning to understand a foreign language, where one feels stuck and paralyzed in going forth?

01 January 1970 2,483 9 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

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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...

03 March 2021 1,401 3 View

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...

03 March 2021 8,920 3 View

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...

03 March 2021 6,994 5 View

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03 March 2021 5,360 2 View

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

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View