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 1,547 3 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 7,167 7 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 6,446 4 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 8,403 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 8,493 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 6,211 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 6,688 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 8,792 4 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 3,298 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 5,918 12 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 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 can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

Can chitosan alone can act as a reducing agent for Cu(0) nanoparticle sythesis?

[Synthesizing Cu nanoparticles without using chemical reductants]

01 March 2021 8,359 1 View

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View