Polymer Chemists' Network | Contact experts in Polymer Chemistry to get answers
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Questions related to Polymer Chemistry
Hello, colleagues. What high-molecular organic compounds do you know, such as lignin or humic acids (the presence of electron-excess compounds in the composition). Importantly, these compounds...
15 February 2024 6,234 1 View
Does the change in temperature affect density in solids why and relationship between the temperature of an object and the motion of its particles?
15 February 2024 8,129 2 View
Hello everyone, I'm new to using PARAFAC for decomposing EEMs data. I validated my results on three models: the first with three components, the second with four components, and the third with...
14 February 2024 759 1 View
Hi everyone, I'm working with some polycrystalline oxide sample whose density is not known theoretically. I don't know the crystal structure either. However, I do have the lattice parameter from...
13 February 2024 2,119 0 View
I have performed adsorption study on a model biomolecule and graphite using Forcite Adsorption Locator but don't know how to interpret the result, particularly the fukui function results. Any...
10 February 2024 5,388 1 View
I need the particle size and the shape of graphene oxide in epoxy powder as shown in the following FESEM morphology
09 February 2024 1,286 5 View
based on literature review
08 February 2024 9,638 2 View
I am trying to make very small gap (preferebly ~100 nm)electrodes. My recipe roughly is: 1. Cleaning SiO2 with acetone and ipa 2. Dehydration bake @180C for 1 min 3. Spin coat PMMA A4 @3k rpm for...
07 February 2024 3,478 1 View
It is said that substances such as malachite green (MG) and crystal violet (CV), which are used as Ramandye, are combined with Gold nanoparticle (AuNP) to measure Raman (SERS). I'm curious about...
06 February 2024 8,017 3 View
As heat exchangers in the heat exchanger networks get fouled, the utility in the furnace has to increased to compensate the losses. Apart from it, the pumping cost must be increasing as deposited...
05 February 2024 504 3 View
How to do electrochemical detection of trace heavy metal ions detection without using stripping voltammetry?
03 February 2024 7,974 5 View
As shown in the photo, the curved mandrel must be immersed in liquid TPU through a dip molding process. However, the outside of the bent part will always be thinly coated. Can you tell me the...
02 February 2024 9,479 2 View
If we have an host-guest complex, in water an equilibrium occurs. So you can have ComplexGuest + H2O ComplexFree + GuestFree. So I can calculate equilibrium constant, but in the most of...
01 February 2024 299 1 View
I'm currently doing PCR of TEM genes from environmental samples, and the results are that there aren't any TEM genes present. However, in the same sample, Aeromonas bacteria isolated by me on...
01 February 2024 1,940 7 View
Hi, I'm currently using Polyvinylalcohol-films as a matrix for stretching ellipsoidal particles, similar like in Preparation of monodisperse ellipsoidal polystyrene particles For this process...
31 January 2024 6,422 0 View
I have recently commenced research involving sulfate-reducing bacteria. For my experiments, I prepared an anoxic freshwater medium supplemented with trace elements, a vitamin mixture, and sodium...
30 January 2024 4,275 2 View
Dear ResearchGateCommunity, I am writing my thesis on the topic of " Synthetic bone surrogates: a diversity-sensitive challenge for the biomechanical testing of osteosyntheses". In my research,...
29 January 2024 9,461 0 View
Most of the elements I have in solution are Cobalt and Zinc. I have used Na2S to precipitate.
28 January 2024 895 0 View
How can I determine the molecular weight of a polysaccharide (as a powder) dependng on the viscosity?
26 January 2024 9,047 3 View
Why does the color of the reactant change depending on the temperature during radical polymerization? Although it was set to the same temperature, it is expected that there would be a slight...
26 January 2024 8,643 2 View
As far as I know, there is no "official" DPD support for GROMACS, so I am looking for some open-source code that does that.
25 January 2024 3,097 2 View
I'm performing modified Williamson-Hall and Warren-Averbach analysis based on data from in situ synchrotron high-energy X-ray diffraction experiments. The materials include mainly various annealed...
23 January 2024 6,201 5 View
Pyroteccol and hydroquinone are two phenolic isomers that differ in the position of the hydroxy group. Hydroquinone is a non-polar compound and pyrotechol is a polar compound, but both dissolve in...
22 January 2024 9,138 1 View
I calculated the optical properties for NiTiO3 using Quantum Espresso. Even though I did not use USPP, I still got the error: USPP are not implemented. How to fix? Thank. This is my nscf file.
18 January 2024 1,950 2 View