Which media is used to detect microbial count of sample?

I am trying to find the microbial count, Specifically a) total aerobic microbes b) total yeast and mould C) E.Coli and d)Salmonella sp. Could anyone suggest a medium for enumeration of above microbes?

07 August 2018 1,957 12 View

Can anyone help in diafiltartion process?

06 July 2017 7,785 9 View

Can anyone help in proteoglycan estimation?

Proteoglycan in liquid samples was estimated by periodic Schiffs assay method (Mantle and Allen, 1978). Whether the presence of free glycosaminoglycan in the sample will interfere the proteoglycan...

06 July 2017 8,180 1 View

Can anyone help me for interpreting the FTIR spectrum?

11 December 2016 6,759 10 View

Can anyone one help on the issue regarding determination of peroxide value?

31 December 2015 6,143 2 View

What is the difference between yield (%) and conversion (%)?

For a chemical reaction, mentioned as conversion is 100% and yield is 66%. what does it mean?

04 May 2015 8,699 9 View

Can anyone help regarding to concentrate the peptides and mixture of amino acids?

02 March 2015 3,544 5 View

Can anyone help with Total Organic Carbon (TOC) and Total Kjeldhal Nitrogen (TKN) determination?

I want to determine TOC and TKN of solid samples. In our analyzer we can analyze only liquid samples. What is the procedure to hydrolyze/digest the sample? Which acid and its concentration can be...

11 December 2014 4,079 7 View

How can I precipitate amino acids and short peptides from liquid?

Usually ammonium sulfate is used to precipitate proteins. Likewise can we precipitate amino acids and peptides using ammonium sulfate or any other means?

11 December 2014 9,848 6 View

No title

08 September 2014 2,509 1 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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 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

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View