How to deal with one sided data set when using a naive bayes classifier?

Hello, I have built a naive bayes classifier in java in order to help sort through publications for a meta analysis project. When developing the classifier I used an available training set that...

09 June 2020 2,285 3 View

Do you know any undergraduates who published biomechanics research?

Have you, or anybody you can recommend, published applied biomechanics research conducted at least in part as an undergraduate? If so, please get in touch or recommend others. I'm asking for 5...

25 January 2020 7,649 5 View

What might cause photoresist pitting in an argon ion mill?

We are using Shipley 1813 as a mask for our process. The mill is an AJA argon ion mill running at 500 V, 56 mA. The resist seems to hold up well for a 10 minute etch, but by 40 minutes it is badly...

29 September 2019 9,256 1 View

Arena Model won't run processes simultaneously?

Hi everyone! I have an issue with my Arena model. It won't run processes simultaneously! I am simulating a container terminal, and if multiple Cranes are supposed to unload the same or a...

30 July 2019 9,037 2 View

Is it possible using Microsoft Word to compile an index for a book/document?

Book Mss completes in Word and publisher has asked for an index

12 June 2019 1,202 4 View

Recommended books on plant breeding and genetics?

Hi, I'm new here so sorry If I'm in the wrong place. I've been working in UK Agriculture for around 10 years now and I've decided to pursue a career in R&D and plant breeding after working...

30 March 2018 2,338 21 View

Cell culture contamination?

One day after the last split of my MC3T3-E1 culture (P23, L-MEM+ 10 % FBS+ Pen/Strep) these big particles were turning up in the cell culture flask. I can't remove them. Is this a contamination?

13 January 2018 6,239 3 View

Is this a quantized formulation of General Relativity?

I have been working on a model of quantum gravity in which GR is formulated in the language of Quantum Mechanics .The latest version can be downloaded from the link below. Kindly peruse through to...

05 September 2017 4,074 9 View

What other internal controller can I use apart from the beta actin?

I carried out a real-time pcr for the expression of leucanthocyanidin reductase gene and on relative quantification I used beta-actin as my house keeping gene but it shows some changes in the...

08 October 2016 4,624 6 View

What are people's opinions of research on anthrogenic Carbon Emissions and their contribution to Global Warming?

Specifically how reliable is the science? It seems to me the empirical evidence is nowhere near what is required for cause & effect making this a statistical study of trends and potential causes.

09 June 2014 3,384 50 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

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

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17 February 2021 4,217 3 View

What are the best cations for preparing competent cells, Ca2+ or Mg2+?

I have been reading various articles and most state that treatment with CaCl2 produces higher efficiency of transformation than MgCl2. Can anyone explain why Ca2+ is better than Mg2+ at...

16 February 2021 8,519 5 View

Is an issue for serial correlation when it is not found with the xtreg, fe on its lag ,but the lag become significant when you've vce(robust) std. er?

Dear Sir/Madam I have a dateset that suffers from heteroskedasticity and serial correlation. To address the serial correlation lag my variables of the fixed effect regression. I retrieve the...

15 February 2021 3,700 1 View

How to estimate/know plant virus concentration to make a standard curve in ELISA after serial dilution?

Hello, I am trying to know tomato virus titer/concentration in samples and I will perform serial dilution of the positive control. I wanted to ask How to estimate/know plant virus concentration to...

13 February 2021 6,534 4 View