Insecticidal activity by Contact?

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I have found that the antioxidant activity of some plant extract was high while the flavonoids content was very vey low, is it normal?

Is the antioxidant activity linked closely to the occurene of flavonoids?

07 August 2016 6,900 11 View

How we can find the flavonoids content higher than phenolics one in some plants extracts? Is it normal?

we often found that the phenolics content is higher than that of flavonoids because the last ones are a class belonging to phenolics compounds. How we can explain the high rate of flavonoids in...

05 June 2016 2,397 3 View

Why we can find the flavonoids content higher than phenolics one in some plants extracts? Is it normal?

05 June 2016 5,613 4 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

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

Why my plant protein cannot resolubilize after TCA/Acetone extraction?

I am extracting proteins from plant samples and am currently attempting to use the TCA/Acetone extraction method. I am having trouble resolubilizing my sample after drying the pellet. I collected...

15 July 2024 9,025 3 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

Alternative binders other than Nafion solution?

Hi Everyone, I plan to deposit a catalyst (TS-1@Co-PDA, in the core: TS-1 zeolite with a shell of Polydopamine designed with Cobalt) on a rotating ring-disk electrode (RRDE) to evaluate the...

29 June 2024 8,203 3 View

Why pesticides should not be used in excess and harmful effects of excessive use of fertilizers pesticides insecticides etc on the quality of soil?

22 June 2024 1,046 8 View

How to avoid pesticides and what will happen if we use pesticides and insecticides in excessive amounts in our field?

22 June 2024 278 4 View

What's strategies to control insecticide pollution & what will happen if pesticides are used excessively & strategies of pesticide remediation?

What are the strategies to control insecticide pollution and what will happen if pesticides are used excessively and strategies of pesticide remediation?

22 June 2024 4,700 4 View

Effect of post bake on PPR resist?

HI , i am concerned about any resist hardening effect of Post bake my LOR +PPR coated sample @90C for 5 mins. I wanted to do liftoff in acetone but the metals are hard to peel off. I cant use PG...

18 June 2024 5,741 0 View