How to properly normalize dataset for prediction in deep NN?

I'm doing a particle physics analysis (jet energy regression) by means deep neural network (in keras with tensorflow backend). I have several features (mostly kinematic variables). I trained my...

07 August 2018 3,284 3 View

How to implement Huber loss function in XGBoost?

I was wondering how to implement this kind of loss function since MAE is not continuously twice differentiable. Are there any functions close to the Huber loss?

07 August 2018 1,645 4 View

Why the heart organ is traditionally believed to be periodic in nature?

Heart organ.

02 March 2016 5,615 0 View

Does the Autonomic Nervous System still has an effect on the Heart Rate Variability of isolated hearts?

Langerdoff isolated hart preparation

31 December 2015 7,175 18 View

How can I construct a phase plane of an ECG time series data?

Since a phase plane needs two variables that are dependent on time, I am thinking it can be the RR interval and the voltage variation. That is, V(t) and RR(t). What do you think? If this is...

11 December 2015 3,356 6 View

Would it be possible to make a differential equation model for ECG recordings?

In my ECG recordings, I periodically add increasing concentration of high calcium ringer's solution with an interval of 10 minutes for each concentration. I noticed that for an increase of...

08 September 2015 2,964 3 View

How do I make visible borders in LaTex?

Please look at the attached. That was written using MS Word. Now, I want to use LaTex to make visible borders with the univesity name.

04 May 2015 492 1 View

How to construct a differential equation relating beat frequency of a cardiomyocyte influenced by a mechanical stress?

03 April 2015 2,427 1 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Does anyone know an alternative product for cardiac Troponin T antibody for Immunofluorescence (Thermo # MA512960)?

We have been using Thermo Fisher anti-cardiac Troponin T antibody for immunofluorescence staining in FFPE mouse heart sections but it was recently discontinued. The literature shows it to be the...

01 March 2021 4,937 1 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

B-mercaptoethanol (BME) protocol?

Hi everybody, I have been running a multiplex IHC which allow me to stain the same tissue with different markers (Primary Ab + Secondary conjugated Ab) (AF487, AF555, AF647). Since I would like to...

27 February 2021 5,028 2 View

Looking for genomic DNA extraction kits from mouse tissue (centrifuge-based, not spin-column)?

Hello. I am looking to extract genomic DNA from mouse brain and lungs and I need a kit that is not spin-column based because I need to scale up the solution amounts for 400mg tissue (most cap at...

25 February 2021 155 2 View

Has anyone tried to scan fluorescence IHC slides with microarray scanner?

I have an old slide microarray scanner (VIDAR Revolution 4200) and would like to give it a "second life", as IHC scanner array (fluorescence dyes), FISH over tissue or similar. Has anyone tried...

24 February 2021 9,210 1 View