Please I want to know the method for measuring bile salts in bird how I do this in lab please help me to know the method?

I need to the required sample ,reagents and steps

10 December 2020 7,087 1 View

I need to know the approach to solve this task.. How high the permeate-specific operating cost in Nano filtration process??

The total pressure loss = 1 bar Pump efficiency : 25%.. I need to know the approach, the work flow, the equation needed please. Thanks in advance

14 March 2020 9,783 3 View

What is the main drug for treatment of oral mycosis ?

oral mycosis infection

11 September 2019 6,746 3 View

Thermophilic gram- negative bacteria and spore forming which one ? name the bacteria or genus of bacteria ?

more information about thermophilic bacteria

11 August 2019 6,750 1 View

Please, i want to learn about UV graph ?

the blue circle in uv graph can consider as the head of graph and can i take this points the value of the wavelength of nanoparticles ? in the photo with number 1 this graph indicates that there...

09 August 2019 158 1 View

Hello, dear researchers. I'd like ask about your opinion about this UV graph?

first image for SNPs synthesized by certain plant, while second image is the UV of plant extract without silver nitrate i think the wavelength of SNPs start from 300 to 450 nm? thank you

06 August 2019 5,311 2 View

Is there any method or software to convert 3 equation with 4 unknown parameters into one equation?

Solve equations

15 May 2019 5,924 4 View

What is the best and fastest method of removing solvent like THF from Tecothane (polymer) to form a homogeneous layer?

I want to remove THF from my polymer (Tecothan) . If I use the vacuum oven ,it will affect the homgeneity of the formed layer?? Or not?? Is there any solution for this problem?

15 November 2018 3,825 2 View

How can i preserve cell culture media for long time?

I have two bottles of cell culture media MEM Hanks and 199 Earls I dont need them now, but i will later. How can I preserve them for about 6 months , without loss in nutrients or contamination ?

24 May 2018 3,138 3 View

The appropriate solvent for Tecothane

02 August 2017 1,391 2 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 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

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 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

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View