What is the C/N ration in yeast powder?

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Dear colegues, someone has MELO (1996) Manual de identificacao dos brachyura (caranguejos e siris) do litoral brasileiro?

After looking in Google Scholar, BHL and several repositories I hope someone could have a pfd copy of the MELO (1996). Melo, G. A. S. (1996). Manual de identificacao dos brachyura (caranguejos e...

21 May 2024 492 0 View

How does my new Research Associate sign up for accesss to ResearchGate?

I have long been a member of ResearchGate. I have a new Research Associate. She has been trying to sign up through the website, but has been unable to gain access. How do we get her signed up...

21 April 2024 1,895 6 View

Do I have permission to cite and include photos in papers that I author?

Paper concern the Yucca Mountain Nuclear Waste Repository project and the Waste Isolation Pilot Project.

09 April 2024 746 4 View

How does cell supernatant affect enzyme assays using pnpp substrates?

For enzyme assays using cell supernatant which are slight yellow and using pnpp substrate which will also produce the yellow pnp substrate will predictably have a distortion on the absorbance. to...

02 March 2024 5,149 3 View

Why does the absorbance for my enzyme assay increase then decrease?

Hi, I am measuring the production of 4nitrophenol at 405nm for my enzyme assay. In the neg control (buffer + substrate) and the enzyme reaction at pH 5.5, 6.5 I observe the absorbance initially...

09 December 2023 1,091 4 View

Preparation of 3-(Trifluoromethyl)-3phenyldiazirine using methanolic ammonia or anhydrous liquid ammonia?

Hi everyone, I would like to ask that if the reaction can be used with ammonia solution in methanol (7N), because in my place is hard to get pure anhydrous ammonia. I have seen an article that...

27 August 2023 7,830 0 View

Multiple Finance models in a single research, is it a feasible aspect or an epistemological error?

Is it possible to run Sharpe s Index, Value at Risk ( historical model or minte carlo model) and Monte carlo simulation simultaneously on the same data set to get a detailed understanding on the...

21 August 2023 4,774 3 View

Wave optics module and time domain with Comsol?

I am developing a 2D photonic crystal resonator and would like help from colleagues to configure the propagation of electromagnetic waves in the time domain using the wave optics module....

30 July 2023 2,592 2 View

Do the methyl branch on a propylene carbonate have a greater surface tension reduction effect than ethylene carboante?

Surfactants with branched chains are known to reduce surface tension more than linear chain. However to what effect does a methyl branch on a propylene carbonate have compared to ethylene carbonate?

14 July 2023 1,678 0 View

Photonic crystal device with comsol?

which "study", from comsol, to use to calculate the transmission spectrum of 2D photonic crystal device? And how to configure it? Basically the device is a crystaline network of silicon rods...

02 July 2023 5,728 2 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

How do I replace a file with a more recent version of a paper that was uploaded to ResearchGate?

The paper in question is "Interpolation of Nitrogen Fertilizer Use in Canada from Fertilizer Use Surveys". This paper was very recently published by Agronomy (MDPI). Agronomy has, in the last day...

07 August 2024 9,934 3 View

Who of all of you will help TPEOM to re-originate the Earths atmosphere to it original 5 atmospheric elements/gases?

Global ‘Weather’ has stopped, as ‘aqua thermionic instituted by the ‘Global thermo atmospherics has instituted global thermodynamics of 120º C + and thus all waters are, or have boiled into a...

06 August 2024 8,716 0 View

How much Yeast should we add to fermentation media?

I have prepared a liquid broth containing Yeast (S. Cerevisiae) that i need to add from it to fermentation media of lignocellulosic hydrolysate. I need to know based on what parameters do we add...

06 August 2024 662 1 View

What is the best protocol for freezing the rat brain in preparation for protein detection by Elisa ?

What is the best way to freeze the rat brain - liquid nitrogen, Dry ice , isopentane - after isolation for later protein investigation by Elisa?

01 August 2024 1,722 1 View

Does anyone have issues using Prepman Ultra reagent for MicroSeq ID bacterial, fungal and yeast sample preparation?

I have been attempting to extract DNA from Bacterial, Fungal and Yeast banked samples (>1e7 cells) using Prepman Ultra reagent and I seem to be struggling to obtain a sequence. Although the...

01 August 2024 2,079 0 View

How can I separate graphene from amorphous carbon of similar particle sizes?

The starting material is a finely ground powder. Some particles contain more graphene than others.

30 July 2024 3,978 2 View

Question about combustion Kinetics ?

I am currently working on modeling FCC catalyst regeneration and have come across a point of uncertainty that I hope you can assist me with. In my previous models, I have utilized lumped kinetics...

30 July 2024 6,137 0 View