Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules... | Contact experts in Polymers to get answers
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Questions related to Polymers
How can one determine oxygen non-stoichiometry for ABO3 perovskites using XPS? Take for example, Ba0.5Sr0.5Co0.8Fe0.2O3-d. I will be glad if anyone could clearly and succinctly explain it. Thank...
12 June 2022 4,784 6 View
I have a 3D printed mold that I am using for transferring microfluidic features onto a thin PDMS membrane (~200 um). During the peeling-off process, either the features deform or the membrane...
08 June 2022 7,960 3 View
During a process of polyester staple fiber production, while the IV (intrinsic viscosity) of PET granules is within 0.63-0.64 dl/g, the IV of as-spun fiber output from spinneret is around...
22 April 2022 9,230 3 View
Hello, I need to synthesize a lithium-rich cathode using the sol-gel method. What is the best molar ratio between citric acid and transition metals in this method? Does citric acid have an effect...
20 April 2022 9,317 9 View
Hi, I want to do tensile analysis for my vulcanized rubber sample following the ASTM 412/ ISO 37. My starting rubber was ENR latex. As stated in that standard type 1, the standard thickness should...
13 April 2022 3,878 6 View
I am about to synthesis and characterize a bone scaffold to be used for bone regeneration and bone cancer therapy with the ability to release drug and oxygen for a better functionality, which...
05 April 2022 5,700 6 View
I asked my professor this question and all he said was "they bring lots of beauty and reef-building potential." I'd like to know more in-depth about how coralline red algae contribute to their...
30 March 2022 6,574 4 View
I saw in some papers that they use a beaker, in this case how do you keep the beaker sterile, and is there anything else where it can be quantified more easily
29 March 2022 10,069 0 View
I have periplasmic protein and it's 31 kDa. I applied the Bradford procedure to calculate the elution amounts of the proteins after purification. Then I did Dialysis and then bradford again....
29 March 2022 7,554 3 View
Does anyone know of any literature about the technique?
20 March 2022 5,146 4 View
I am working on NaCMC based hydrogels.
19 March 2022 525 4 View
Hello all I am trying to prepare TiO2-Co doped nanoparticles thin films in order to study degradation of a dye. I will be using spin coating method to prepare the films. My question is if a...
11 March 2022 3,155 4 View
We have 200nm thick Aluminium foils and we need to find out the amount (percent) of UV light (100nm-300nm) they transmit. The CXRO website provides very reliable data but in the EUV/XUV range....
09 March 2022 328 1 View
I am doing electrochemical cleaning of bare gold electrode with weak sulfuric acid. Unfortunately, I obtained voltammograms which are very different from that found in literatures. Kindly see...
21 February 2022 1,693 8 View
Usually I saw in papers, that the dried compounded latex was compounded with zinc acetate and DMI using two roll mills for transesterification reaction. Why we do not add Zinc acetate and DMI...
16 February 2022 6,533 1 View
I am a Ph.D. candidate in Mining Engineering. I was so confused in the selection of a suitable topic for my Ph.D. My areas of interest include Slope Stability, Rock Mechanics, Rock Blasting, Slope...
07 February 2022 4,607 7 View
I would like to remotely trigger capture start and stop in Vicon using MATLAB on an external laptop, so that I can synchronise a code I have that records Radar data with motion capture data from...
14 January 2022 6,399 4 View
I want to get the force field from publications "ReaxFF: A Reactive Force Field for Hydrocarbons, Adri C. T. van Duin, Siddharth Dasgupta, Francois Lorant, and William A. Goddard, 2001"...
10 January 2022 911 2 View
I tried SnTe2 to exfoliate with scotch tape, but it's not peeling off into layers. How can I exfoliate the materials using another mechanical/chemical method?
07 January 2022 1,620 3 View
I have a precipitate of azide-beta-cyclodextrin in acetone. I've filtered it by filter paper, but after evaporation and drying at ambient temperature, it stuck to filter paper and the separation...
04 January 2022 711 6 View
Is the kinetic gas theory applicable to a plasma with low pressure
21 December 2021 4,004 3 View
We have imidazole ring N and Imine N for coordinating to metal in 2:1 (L:M) ratio. Both are forming coordinate bind with metal. So two covalent bond is from 2 O atom of acetate group. And the...
15 December 2021 9,789 5 View
Hello! I am a graduate researcher and I have been making microfluidic devices with PDMS and glass slides for several months now. I am comfortable with the process documents my lab typically uses,...
10 December 2021 8,697 0 View
I am currently analyzing the antiglycation effects of a few fractions samples from the same plant by conducting BSA-MGO and BSA-Glucose assays. I measured the samples absorbance using 96-well...
10 December 2021 7,377 0 View