What is the explanation of broad peak in cyclic voltammetric curve?

What is the difference between broad and sharp cyclic volatmmetric curves? and what are the reasons for broad curve? especially when analyzing carbon material?

01 February 2019 9,802 1 View

Is it important to add buffer in the cathode chamber of MFC?

Can I use distilled water as catholyte in MFC? or if I use Potassium ferrocyanide, can I dissolve it in distilled water instead of buffer solution?

11 December 2018 1,374 0 View

The llight produced from bioluminescent bacteria, is it able to stimulate photosynthesis in other nearby bacteria and other photosynthetic organisms?

Light produced by bioluminescent microorganisms is composed of photons, are they able to stimulate photosynthesis in other marine organisms? Thsnk you.

03 April 2018 3,318 0 View

What is more accurate to study the effect of pH on bacterial activities, preparing different buffers at different pHs, or adjusting the medium pH?

I am preparing to study the effect of pH on bacterial activities, what is the perfect way for that: 1. Using different buffers and adding the medium components? or 2. Adjusting the medium pH by...

02 March 2018 3,995 2 View

How can I write in my thesis that a Pseudomonas isolate is pyocyanin producer?

Is it enough and acceptable to mention that the observation of fluorescent color is a clue that my strain is pyocyanin producer? Thanks

11 December 2017 8,941 0 View

How can I get the heat of combustion in Energy Efficiency equation for MFC?

In the Energy efficiency equation, how can I get the heat of combustion? Thanks.

10 November 2017 5,310 1 View

What is the "Residual curve" regarding the polynomial fitting?

When I run the polynomial fitting on my data, a curve named "Residual curve"b appear after calculation, what is the meaning of that curve? and is it acceptable to use it instead of the fitting...

10 November 2017 1,342 0 View

How can I calculate number of electrons involved in electrochemical reduction of oxygen?

I am working in Microbial fuel Cell (MFC) and want to calculate number of electrons involved in reduction of oxygen. Thanks

10 November 2017 8,456 0 View

What is the fastest and accurate method for extraction and identification of polysaccharide, pyocyanin, and rhamnolipid from culture of Pseudomonas?

Can you help me getting method (s) for rapid extraction and identification of these three Pseudomonas products? Thank you.

10 November 2017 2,134 0 View

How can I obtain slope of any curve from Origin 6.0 or 8.0 software?

How can I use origin in getting the slope of any curve? Thanks.

10 November 2017 5,738 0 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 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

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

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

How can we theoretically calculate Elemental analysis(percentage) of atoms in covalent organic framework?

For example in one research article the Elemental analysis values of COF-TpPa-1 ( Triformylphloroglucinol (Tp) (63 mg, 0.3 mmol), Paraphenylenediamine (Pa-1) (48 mg, 0.45 mmol) are as follows...

24 February 2021 1,265 6 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View