How can I estimate volumetrically malic acid and lactic acid?

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How can peel the PDMS from the Mold (Fabricated by metacrylite)?

I'm trying to cure a convex structure using PDMS with a Mold which is fabricated by methacrylate. In this process, I put a few amounts of PDMS into the Conex structure mold for curing. after 5...

05 January 2024 521 0 View

Are there any tutorial of acoustic Fresnel lens simulation in COMSOL?

Hi all, Is there any tutorial on acoustic Fresnel lens simulation in COMSOL? I want to start the simulation of the fresnel lens in COMSOL.

02 January 2023 7,234 0 View

How to find Effective index for Guided mode resonance?

AIM - To convert the structure from side view to top view incorporating the thickness of the materials into the effective index Hello everyone, The whole structure consists of both Trivial and...

12 July 2021 6,620 0 View

How is the charge distribution in a reverse biased pn junction when not in a closed circuit?

How charges are stored equally on both sides of a normal PN junction diode when it is reverse biased? For example if p side is connected to a -2 voltage supply and the N side being grounded ,won't...

27 April 2020 1,920 3 View

Why does effective mass of an electron decrease when the sharpness of the energy band increses?

i could understand from the formula m*=(h')2/(d2E/dK2) that m* is indirectly proportional to the second derivative of the E-K graph but i cant fathom this conceptually i want to know the actual...

16 April 2020 7,905 0 View

Can the Thermoplastic be mixed with Thermoset in Composite preparation?

Is it wrong if the mixture of Thermoplastic and Thermoset is taken into consideration in building the composite specimen. If so, please help me out in getting the exact reason.

11 February 2019 9,740 3 View

Where can I find the shapefile for agro climatic zones of India?

I preferably need the agro-climatic zones defined by the planning commission of India. If not the shapefile, with the list of districts which fall under each category I can make my shapefile. Does...

26 November 2018 1,557 25 View

How to create a charged body(cloud) scenario in laboratory?

I want to measure the force/charge exerted on a body due to charged cloud from a distant place .Experts advise/answers are appreciated well in advance.

27 March 2018 5,587 2 View

How to implement ensemble classification?

ensemble classification will provide better performance than a single classifier. but the doubt is how o implement this one? whether comparison will be done between two classification and the...

11 February 2018 3,592 4 View

How to calculate error and accuracy in adaboost algorithm(machine learning algorithm)?

need the explanation about the process being the classification. And the formula for error value and accuracy in calculation.

03 February 2018 8,582 3 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Is there any way to quantify bacterial and fungal cells in their mixed culture?

I am working in fungal fermentation of soybean meal and there is bacterial growth in them at times. I am trying to quantify fungal cell counts and bacterial cells; but I haven't been able to do at...

07 August 2024 7,535 4 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 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

The aqueous fraction of the hydroethanolic extract is showing the presence of palmitic acid. What is the mechanism responsible ?

Palmitic acid presence in aqueous fraction

05 August 2024 8,624 4 View

How to convert g/kg Humic acid dose to kg/ha?

I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?

02 August 2024 7,186 6 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

Can the limit of quantification (LOQ) of an analytical method fall outside its linear dynamic range, or must it always be within it?

Can an analytical method's limit of quantification (LOQ) be outside its linear dynamic range, or is it always required to be within it? Please provide a thorough explanation supported by verified...

29 July 2024 7,198 9 View