Why oxidation with peracetic acid engender staining of oxytalan fibers with clastic tissue stains?

Just a quick question above, this oxidation method is mentioned by literature, but no one talked about the principle. Can anyone figure out how the oxidation works on any specific group?

20 December 2020 5,878 1 View

Why does my HPLC filter always generate air bubbles?

I have an old HPLC machine. Every time when I put my filter into 50%:50% water and acetonitrile mixture, my filter always generate bubbles. However, once I change the solvent to 100% acetonitrile,...

08 March 2020 5,587 4 View

What are those clay/silt aggregates? Are those intraclastic clast or flocs?

These deposits were from mud caps of sediment gravity flow deposits. These mud caps are homogenous and no trace fossils can be identified. Can any one help me identify these aggregates? Thank you...

10 September 2018 3,627 3 View

How to measure cell density of bacteria entrapped in hydrogel?

How to determine the cell density or total suspended solids of the bacteria which are entrapped in hydrogel like PVA+Alginate?

26 March 2018 436 3 View

Do these two factors affect the efficacy of a pitfall trap?

Dear Colleagues, I was wondering if someone who has had plenty of experience experimenting with pitfall traps as a method of collecting arthropods (especially...

10 October 2017 6,482 6 View

How to compute the band structure of TM mode for 2D photonic crystals by COMSOL?

Can we use the COMSOL to compute the band structure of TM polarization for the 2D photonic crystals? If yes, how to do it? With the "Bandgap Analysis of a Photonic Crystal" in application gallery,...

19 September 2017 1,620 1 View

Why do the same primer real time PCR amplification efficiency is not the same every time?

Why do the same primer real time PCR amplification efficiency is not the same every time?

18 September 2017 8,644 2 View

Flame Retardant materials

I am looking to find commercial available Flame retardant materials so that I can implement them in my plastic pallets which are HDPE-silica composite. The presence of silica do enhance the FR...

09 July 2017 2,900 1 View

"Inflation and the Measurement Problem" written by S. Alexander, D. Jyoti, J. Magueijo. Why their model solve the cosmological measurement problem?

02 May 2017 9,389 3 View

Pathloss model for mobile femtocells?

23 November 2016 9,904 3 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

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

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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 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

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 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