How to scientifically prepare a working stock of essential oils from a Potato dextrose broth stock solution (1000ppm)?

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Is there any Indian Company or Startups, from any universiy or IITS, which manufacture Gas Chromatography instrument , i want to make a custOmized G?

or we can collaborate

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Is there any method to extract building polygon shapefile of some historical timeline (Digitization is not an option as the spatial scale is large)??

Historical building polygon shapefile

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What is the geometric and physical interpretations of mathematical model of integer order and fractional-order differential equation?

What are the geometric and physical interpretations of fractional-order derivatives in mathematical models?

25 May 2023 7,893 1 View

What is the difference between fractional-order derivative and integer-order derivative?

What are the geometric and physical interpretations of fractional-order derivatives in mathematical models?

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Design of lag damper for rotor blade?

Hi, I am trying to design a lag damper for articulated helicopter rotor. Could someone provide some technical details/documents/papers a preliminary design of hydraulic/hydro-elastic...

10 December 2022 8,013 0 View

Kindly describe the dilution process for BOD Testing of domestic sewage water?

Generally in BOD test for sewage water, it is prescribed to use distilled water for dilution along with addition of various nutrients viz. phosphate buffer, magnesium sulfate solution, calcium...

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How to build a table to compare 2 groups after propensity score matching in Stata?

I am comparing the effect treatment vs no treatment on health outcome in my retrospective longitudinal study. As subjects were probably not randomly allocated to the treatment group, I am using...

21 March 2022 9,552 2 View

How to prepare the Aspergillus flavus sample for SEM analysis?

I am not able to find proper procedures for staining and how to prepare the slides for SEM. Kindly suggest protocols or any articles. (I want to study Aspergillus morphologically).

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FBG Sensor Calibration ?

Hi, I would like to know any other device we can use for calibration of FBG sensor apart from micro UTM

09 August 2021 8,469 3 View

Is there any method for analysis of volatile fatty acids through HPLC having C-18 column in Rumen liquor sample?

i would like to know the methodology

02 August 2021 2,560 0 View

Dirty and clean?

Hi everyone I need a file with a dirty and clean potato image

04 August 2024 7,199 4 View

What is fitofthora instance of potatoes?

Now research fellow used it to prevent fungus in potato,may be potatoes gene effect.

02 August 2024 180 3 View

I need to dissolve stigmasterol for an animal experiment, it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent?

Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?

01 August 2024 7,504 2 View

Methyl jasmonate preparation ?

How do I calculate the stock solution to apply 100 uM MeJA for 1000 ml of plant nutrient medium ?

01 August 2024 723 0 View

What is gangrine? Is there gangrine happened indie potato?

Please discuss someone told about fungus and allied others.

31 July 2024 3,372 3 View

How to treat monolayer culture cell line with essential oil?

Hi all, may I ask you for advice about treating monolayer culture cell line with essential oil. Due to the hydrophobic character of the oil, I am concerning how can it equally affect to all the...

31 July 2024 5,301 2 View

How do you get pure primary macrophage cell culture?

I have been harvesting monocyte-derived macrophages from buffalo and cattle fresh whole blood using the same protocol for years and getting good macrophage cultures. Below is the protocol that I...

23 July 2024 4,074 2 View

How do I prepare a working stock solution of 14C sodium bicarbonate to get a final activity of 3uCi?

I need to make a stock solution for radioisotopic incubations of freshwater sediments to study dark primary productivity but I have some confusion as to how I calculate the concentration of 14C...

15 July 2024 5,898 0 View

Liposome Preparation using Heating Method - Why does my liposome suspension form aggregates?

Hello everyone, I am trying to encapsulate an essential oil in the liposomes using the heating method and encountering some issues. I am following the protocol described below, but my solution...

10 July 2024 4,083 3 View

How to dilute essential oil from plants to assess the biological activity?

I have extracted essential oil from a medicinal plant and want to make several concentrations for some biological activities (Antidiabetic assay). How can i prepare the several concentrations to...

04 July 2024 8,100 4 View