Can I add acid or base before I add plant extract on platinum soultio ?

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What solvent of ethanolamine dissolved in?

i try to prepare 3 %wt of ethnaolamine ? i will take 3 ml of 99% pure 98% ethanolamine ? what solvent used to put 3 ml in it?

01 February 2019 1,611 3 View

What is the refractive index of benzyl alcohol?

what is the refractive index of benzyl alcohol 99%? i will measure the sample through zeta sizer but the solvent did not exit in the library of the machine?

01 February 2019 6,493 4 View

If the plant extract sensitive to temperature and can be degrade ?

i try to synthesis nano particles using green synthesis but the temperature surround 100 C and i notify the color change which indicate the nanopaticles formation but i read in the literature...

01 February 2019 7,203 7 View

What is the wrong in this spectrum ?

i have this spectrum but i think the peaks look wrong??? can any one help to investigate this? plus i should get spectrum on 265 nm ? is this consider near ?

01 February 2019 8,447 1 View

Why their is no change in color?

i try to synthesize platinum nano particles from hexacholoplatinumic acid with plant extract? it should change the color after few minutes from pale yellow to brown ? but with no change in...

31 December 2018 8,535 11 View

What is the kind of surfactant should used ?

Salami doctors i will synthesis platinum nanopartcles using green synthesis but i try to put to of them on each other with no change of color i read in literature that using of surfactant is...

31 December 2018 6,251 6 View

What is better concentration in green synthesis of metallic nanoparticles of plant extract?

i have plant extract and i dried it and get mass in gram after evaporation the solvent, now i want to synthesize metallic nano particles but how much mass in g, mg should dissolve in which solvent...

11 December 2018 6,730 3 View

What is the dilution factor?

salami researcher i dissolve 100 mg of plant extract in 5 ml of distilled water what is the dilution factor? thanks

10 November 2018 8,844 4 View

How can I determine the final concentration of an extract after concentrating by a rotary evaporator?

i will try to drying plant extract using rotary evaporator and i will get weight but to how much i should diluted the sample after drying how i can calculate the dilution factor and what i should...

09 October 2018 6,002 12 View

What is the better solvent to dissolve 1 mg of plant extract have phenolic compound?

i will try to dissolve 1 mg of plant extract have phenolic compounds for Folin test in 10 ml of methanol? but i don't sure if this solvent will dissolve the extract because i used different...

09 October 2018 3,346 4 View

Strugglling with m6A dot blot any suugesstion ?

I have been doing the m6A dot blot for a while with no improvement, I am extracting the RNA, and I can see the dots although the three biological replicas give a different reading on the memberan...

10 August 2024 8,539 5 View

Hello researchers Is this a random laser or just fluorescence?

I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.

09 August 2024 9,894 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

How to assess the osmotic power of a substance?

Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...

06 August 2024 977 1 View

How do soil microflora interact with plant roots and influence plant nutrition, health, and productivity?

06 August 2024 9,618 3 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

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...

03 August 2024 4,725 2 View