What is the C/N ration in yeast powder?

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What is the identity of additional bands found during fish gut microbiome 16S V4 PCR amplification?

Hi, I am carrying out test PCRs for 16S amplicon sequencing on Illumina MiSeq. I am using standard V4 primers: 515F/806R. The aim is to profile the microbiome of fish guts under different...

16 February 2021 5,668 6 View

Sample is in a powdered form - how do I prepare for DLS?

I have this question from @Anurag Nath posted on an existing thread: https://www.researchgate.net/post/What_are_some_effective_sample_preparation_techniques_for_DLS_study To avoid confusing the...

06 January 2021 4,856 2 View

Does anyone have an insight into the behavioural response of fishes to moving wind turbine blades as seen through the air-water interface?

I am interested to find out if wind turbines located close to rivers or lakes, or perhaps even in marine locations, are a potential problem for fish. This seems to be a very under-researched area...

04 January 2021 3,468 2 View

Why is my TiO2 sol milky?

@Krunal Dholiya has sent me this question which I post below so he can get the benefit of many experts. Dear, I am preparing a thin film using TiO2 sol but i m fasing problem, with time it is...

23 November 2020 1,188 2 View

Zeta potential and concentration?

I have a question from @Pratima Adhikari that I will post on the open forum so all experts can contribute. Hi Alan, I hope you are fine and healthy. I have a question for you. I am currently...

22 October 2020 3,377 3 View

Which software can be used to prepare nexus file for phylogenetics analysis in Mr Bayes?

which software can be used to prepare nexus file for phylogenetics analysis in Mr Bayes? which format is best interleaved or sequential formats? Can you please explain?

22 February 2020 4,878 3 View

Possibility of inculcating INTELLIGENT MANAGEMENT SYSTEM to Higher education system?

The impact of IMS(INTELLIGENT MANAGEMENT SYSTEM) in the industry as well as economy in multiple countries at multilevels had been creating immense impact in the way the whole system was developed...

03 December 2019 4,284 3 View

What can be the possibility of inculcating behavioral finance to the existing studies conducted?

What are the possibilities of incorporating BEHAVIOURAL FINANCE to the existing stream of studies that already gave a clear base to the subject for Phd? What are the possibilities of looking at...

03 December 2019 5,884 11 View

What should be the basic text/document to refer upon for researches(especially social sciences)?

The fact that better knowledge on basic research comes out of understanding the existing techniques and methods is the key for a fruitful research. 1.Which should be considered as the primary...

23 November 2019 3,725 3 View

What causes the stability or instability of powders in suspension?

@Talat Zakeri has asked me this question by PM. In order that she can benefit from input from many experts I post it below: Hi, I have two powders from Sasol company. one of them is alumina and...

21 April 2019 8,410 7 View

What is the status of bread making and more bakery foods with the use of insect flour/powder?

Insects have been consumed by human diet since prehistoric times. At present, the idea of looking at insects as food has been getting traction worldwide, also in response to increasing food...

03 March 2021 6,223 5 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View