Dose any-one knows about cleaning validation for pathogens from fermentor?

Hi Dose any-one knows about cleaning validation protocols for pathogen-bacteria from fermentor? In industerial size, 1000 lit?

15 December 2020 4,418 3 View

How can we calculate the concentration of 1000 tons of carbon dioxide in the air in PPM?

Dear All scientists; How can we calculate the concentration of CO2 emitted in the air in PPM? shall we use PPMv(Volume PPM) or Mass PPM is also acceptable? Regards

01 August 2019 7,464 4 View

How can I recall a modified citation style in Mendeley with the name I entered?

When I save as a modified style and change its name, the new style does not show up with the name I have entered for in the styles list. In stead, a general title like "APA-Saeideh" is built...

20 May 2019 6,622 6 View

Can I run GEE having two within factor variables?

I have one factor as time (3 time points) and the other as treatment( absorbable versus nonabsorbable Sutures that each of them were used on different sides of a scar) so two treatments had been...

08 June 2018 6,220 1 View

How can I make a teeth whitener in the chemistry lab?

How can I make a teeth whitener in the chemistry lab?

02 June 2018 6,306 3 View

Could anyone suggest a good way to dissolve lard for making a high fat diet?

I am trying to make a ketogenic diet using lard and wonder how to dissolve lard and have a solidify mix of carbohydrate+protein+ lard at the end for 1 litre?

29 May 2017 7,074 3 View

Any advice on symmetry solvents for freezing polymer blends?

Why high symmetry solvents are proper for freez polymer blends?

29 December 2015 3,684 3 View

Does anyone have any idea how to inhibit liquid loss inside the capillary tube?

I have two chambers, the inner contain a capillary tube and the outer chamber contains water to maintain the humidity. My problem is that when I fill the capillary tube (by capillary action) and I...

16 September 2015 1,293 7 View

What is the best way to improve the yield of exosome extracted miRNA for NGS?

I extract miRNA from serum's exosomes and the yield of RNA is low for downstream experiments, Next Generation Sequencing. I have tried different protocols, Exoquick, UC, miRNeasy Qiagen, Nerogen,...

06 May 2015 548 2 View

No title

19 January 2015 4,924 7 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 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

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

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

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View