How long is sectioned brain tissue good for something?

Bird brains cryosectioned and kept in cryoprotectant in a -20C freezer for ~5 years. It was preserved with acrolein and some sections were used for IHC right away. What can I do with the rest of...

23 October 2016 9,173 6 View

What is the most effective trap for sampling wood-boring beetles (Buprestidae)?

I am interested in collecting adult wood-boring beetles (Buprestidae) in deciduous cropping systems. The purple prism or panel traps have been effective for monitoring emerald ash borer (Agrilus...

08 August 2016 1,066 5 View

How can we harvest spheroids without filtration?

Can anyone tell me how passing spheroids? We collected them,through 40um mesh filter, and recovery the spheroids from the filter adding PBS. After that, the spheroids are centrifuged and...

10 November 2015 8,777 1 View

What does it mean to have a wide peak at 400 nm and a narrow peak at 300 nm for silver nanoparticles?

Hello everybody, I would like to make a question about the UV-VIS spectrum of silver nanoparticles. I started a project to synthesize silver nanoparticles in the plant extracts and I have two...

13 July 2015 992 7 View

I'm looking for pathological heart rate data for testing a cloud simulator. Anyone aware of data about this?

05 October 2014 4,688 2 View

Could someone help me with details to measure the particle size of CdSe fluorescent quantum dots using a DelsaNano C particle analyzer?

I am using a DelsaNano C to quantify the size and distribution of CdSe quantum dots (narrow size distribution ranging from 1 to 20 nm). Until now I have not succeeded. I am sure I have quantum dot...

25 March 2013 4,177 1 View

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 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

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

What is the difference between L1 and L2 regularization in machine learning?

L1 and L2 regularization

28 February 2021 4,187 3 View