In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How to make a meta-analysis to compare optimization algorithms? Is it possible to apply this statistical method?

I need to compare the behavior of evolutionary optimization algorithms on well-established benchmarks such as CEC-2013 or psplib, based on the existing literature. One difficulty is that there is...

18 September 2020 6,812 3 View

How to learn and simulate a mixed probabilistic model with discrete and continuous variables in small datasets?

I have a small dataset and need to learn a mixed probabilistic model (discrete + continuous) and simulate new values taking into account the learned structure.

18 September 2020 8,709 4 View

Which is the meaning of daylight locus? How daylight locus influences #thedress perception?

I am writing an article on #thedress. I have read that this illusion is partially explained by daylight locus, and I do not fully understand this idea. I know that it represents the distribution...

11 September 2020 8,645 1 View

How to calculate the basic number reproduction of a disease? For example Covid 19?

How to calculate R_0, R_t, beta (the average number of contacts per person per time) and gamma? I try to defined SIR model, my data have infected, death and recovered. My country show the next...

09 April 2020 8,237 4 View

If an agent travels from node to node in a graph what algorithms are relevant to predicting the topology and size of the graph while travelling?

I'm having trouble finding information on this because I am not familiar with the nomenclature for graph theory. If you don't know of a specific algorithm, or if you know no such algorithm exists,...

29 February 2020 7,289 3 View

Process simulation with natural zeolite?

Anyone know a simulator where you can simulate industrial processes with minerals such as zeolite

05 February 2020 755 2 View

What is the best way to make a refinement in IRIC software for river modelling?

I have a case of a bend river with groynes. Is IRIC capable to do refinement?. I am working with NAYS2DH and FASTMECH modules.

08 January 2020 5,186 4 View

Is "Longdom Conferences" predatory?

I was recently invited to be a speaker at a conference but it seems rather strange. I had to pay USD 700 for registration. The website is beautiful, and it is organized by this "Longdom...

10 September 2019 6,503 50 View

How can Iimprove the resolution on a GC?

When I run a O2 and N2 standard in the gas chromatograph, the peaks are overlapped, How can I improve the resolution of the chromatogram. This situation is new, last monththe calibrationwent just...

22 August 2019 4,050 6 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 solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

We have HUVEC bought from Invitrogen. Cat no -C-003-5c. while first plating the cells we have bought the protocol suggests not to centrifuge the cell with media to remove the DMSO. Should we...

02 March 2021 3,713 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View