Hi. I need to make a superoxide anion solution. Last time i tried adding potassium superoxide in DMSO and i ended up with 1.8mM. how can i improve it?

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Is there an English Translation of the Carl Moller text: ZUR VERGLEICHENDEN ANATOMIE DER SILURIDEN?

I recently came across an anatomy text by Carl Moller that was published in 1915 but it is in German or Dutch neither of which I can understand. I would like to know if there is an English...

10 August 2024 4,346 1 View

How can I find access to heavy metal reference doses from the EPA and WHO websites?

Reference dose and Maximum acceptable concentrations HMs

03 August 2024 8,229 4 View

What publications should I target as a psychology masters student in the UK?

I am writing a paper as a part of my course. I am new in London and was wondering that what publications should look upto?

21 July 2024 3,537 1 View

I have two problems: 1) the enzyme is not immobilizing efficiently into the MOF material.. 2) the MOF itself has peak on 400nm by using p-NPA test.?

I am working on carbonic anhydrase immobilization into MOFs. I am facing problems with low enzyme loading.. The other issue is that when using p-NPA activity test to detect the activity of the...

20 July 2024 1,438 3 View

What analysis to use for an dependent variable with repeated measures and a independent variable only measured once?

Hi all, I am trying to use mixed effect model to analyze my data, which including a baseline measurement for my exposure (A), and repeated measurements for the outcome (B). I do have some...

17 July 2024 8,682 3 View

How can I quantify MDEA (N-Methyldiethanolamine) with a GC-FID?

I have a mixture of glycol, water, MDEA, and piperazine. I want to analyze it with GC-FID.

15 July 2024 9,652 3 View

I need to know the required time for VDF heating with water for 50-80°C for PVDF Polymerization in ?

i need to know the required time

15 July 2024 4,795 2 View

How can I quantify MDEA (N-Methyldiethanolamine) with a GC-FID?

I have a mixture of glycol, water, MDEA, and piperazine which I want to analyze with GC.

15 July 2024 2,181 10 View

What analyzes do you use to compare biodiversity in a square, at two different times?

e.g. moment one: square in its normal state moment two: square after cutting large trees and replacing them with dwarf trees.

12 July 2024 8,258 5 View

Which software use to i make this graph quickly and also make more dimensions of this graph( i mean adding vertices or lines in this graph)?

Anyone kindly tell the name of software that make this graph quickly and also tell how we add vertices or lines in this graph with equal distance to get next dimensions of this graph ( i mean how...

11 July 2024 4,499 2 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 4,724 2 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 7,503 2 View

I want to buy Hydrothermal Synthesis Autoclave from any European company. Can anyone suggest any company inside Europe?

Thanks

22 July 2024 1,142 3 View

Hi dear researchers, do you suggest the best and shortest path for chemical synthesis and green synthesis of magnetite(Fe3O4)?

Suggest the best and shortest route for the chemical synthesis and and green synthesis of magnetite(Fe3O4) The chemical synthesis should contain the least dangerous chemicals along with full...

21 July 2024 2,475 2 View

What is the suitable solvent of MIL-100 for chemotherapy?

I synthesised a nanocarrier by conjugation MOF (MIL-100) with folic acid for use in chemotherapy but the samples didn't dissolve completely in aqueous solution or DMSO. Instead, they only...

19 July 2024 8,521 0 View

Im trying iodination of an arene, but only getting black precipitates, is there anyone with iodination experience who can advise?

Organic Synthesis. My student has been trying iodination of arenes (our goal is to iodinate p-phenylenediamine) following these literature procedures: 1. Synthesis 2004, No. 11, 1869-1873 using...

16 July 2024 6,630 1 View

What could be the possible reason that sintering of polycrystalline diamond fabricated with tape casting has suddenly started failing?

I make polycrystalline diamond with tape casting followed by HPHT sintering. When i sintered the samples up till May, the sintering was good. When i sintered the samples in June and July at the...

16 July 2024 3,210 5 View

Kraft lignin and MMA(Methyl meth acrylate) free radical polymerization for synthesis of thermoplastics?

I am conducting free radical polymerization using Kraft lignin and MMA, with DMSO serving as the solvent and there is also an initiator. Following the reaction, I obtain a solution, but I am...

15 July 2024 9,826 1 View

Regarding solubility of Dorsomorphin in DMSO ?

I'm using Dorsomorphin (C24H25N5O) as one component in dual SMAD inhibition of pluripotent stem cells to differentiate into neurons alongwith SB431542. Now as to solubilizing 10mg SB in DMSO for...

11 July 2024 4,832 0 View

How to disperse silverparticles in water?

I synthesize silver nanoparticles ，and reserve it in water. Then, when I sonicate it some minutes or longer ,it couldn't be dispersed, most of them aggregate .Otherwise ,when I sonicate several...

09 July 2024 7,333 0 View