Polymer Chemists' Network | Contact experts in Polymer Chemistry to get answers
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Questions related to Polymer Chemistry
Water is a polar molecule, so does it act like an ion in a high magnetic field? Can a mass spectrometer separate deuterated water from water molecules?
08 August 2021 3,605 1 View
I have a problem with reaching Aqueous solution of alginate oxide. I have been checked the functional groups of my final result and there is no problem with the Oxoiodide . Maybe the problem is...
07 August 2021 805 5 View
When I tried to use a syringe(needle 23G) to make alginate beads, the beads did not look like balls(or spheres). They looked like bullets instead. Specifically, the head of bead is half circle,...
05 August 2021 4,888 3 View
i want to know about the method. how can i perform this technique during the purification of metal complexes
05 August 2021 4,594 3 View
A specific polymer containing sulfonic acid group ( poly-SO3H ) is reduced with triphenyl phosphine / iodine . The product is poly-SH mixed with triphenyl phosphine oxide. The resulted polymer...
04 August 2021 5,503 11 View
Please, I just synthesized silver nanoparticles for an invivo experiment. How do I measure the treatment concentration in ug/ml (5, 10, 20, 50) using distilled water as stock solution?
03 August 2021 8,892 4 View
As a part of my system, there is a heat exchanger. Hot stream - water vapour - comes in at 17.12degC, 0,00714648 bar, completely in the vapour phase Cold stream - refrigerant R1234ze in a...
03 August 2021 8,707 1 View
Hi all! I need a neuronal marker to use in human iPSC. I need to look at the AIS so I need to know where the axon is...Therefore I don't want to use MAP2. The only tuj antibody we have in the lab...
27 July 2021 9,600 3 View
Is there a specific media that allow expansion of only human (not mouse) hematopoietic cells from transplanted NSG-mice peripheral blood in culture? As human cell number in mouse blood is very...
02 July 2021 3,085 5 View
In British Pharmacopoeia herbal extraction. I have to add xylene in tube that oil will cool down (N) so I have a question what xylene is use for and it will combine with oil (orange peel) or it...
01 July 2021 4,904 3 View
In the literature, the density value of nickel (II) oxide (NiO) at room temperature can be found as 6.67 or 6.72 gr/cm3. It is expected that the density value will decrease as the temperature...
28 June 2021 4,013 2 View
Good morning everyone. I am making PU from my synthesized polyols which has low Mw(
17 June 2021 9,249 5 View
Can total porosity be deduced from the water holding at saturation? That is when soil is at saturation does that mean all pore spaces are filled with water? If this is true can one assume that the...
07 June 2021 2,553 10 View
why are silver nanoparticles behaving hydrophobic? Pure silver nanoparticles agglomerate on water and do not disperse. However, it is relatively more dispersed than water in acetone. Why does...
01 June 2021 4,713 4 View
I have pdb file for a single cellulose chain. Now I want to make a bunch of 18 chains using packmol. However once I am adding them together they arranged randomly. How can I arrange them in a...
28 May 2021 9,787 0 View
The synthesis of CQD has the process of neutralizing by NaOH to PH7, what's the aim of this process?
17 May 2021 1,490 3 View
Hi everyone, Actually, I am doing some research about modifying edible films by crosslinking them, which are based on carbohydrates such as carboxymethyl cellulose, etc, but I am looking for the...
10 May 2021 6,166 8 View
Dear All, The bisphenol A based epoxy was cured under two curing cycles (curing cycle I and curing cycle II). After that, conducted a DSC experiment, and the results attached herewith. Why both...
03 May 2021 9,271 4 View
The BET and BJH results of MIP showed a higher surface area and pore volume compared to the non-imprinted polymer (NIP). Can we say that the difference in morphology is because of the cavities...
02 May 2021 5,416 3 View
I'm trying to prepare polyurethane films from DMF solutions under solution-cast technique with teflon mold. When dried under vacuum, air bubbles were formed and destroys the film homogeneity. Is...
20 April 2021 4,920 5 View
in dpph assay should the absorbance be taken after exactly thirty minutes? if I wait for more than thirty minutes does that affect the readings?
18 April 2021 3,566 6 View
I am preparing molecularly imprinted polymer (MIP) with electropolymerized polypyrrole. I am taking advantage of overoxidized pyrrole (by applying potential) for template removal. I want to...
18 April 2021 380 2 View
I want to co-polymerize vinyl monomer and aniline monomer. Is it possible? Thanks.
15 April 2021 7,146 4 View
I am currently working on the production of PVDF based porous nanofibers. For further studies, the fibers need to be separated from the aluminum foil, But, After performing the process the fibers...
01 April 2021 8,849 11 View