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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please show the step
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Methods and Nanomaterials
14 July 2025 8,075 4 View
Please find attached an image of the thin section showing pyrite occurring as disseminated grains within the carbonate bands of the BIF. The iron-rich bands are composed of fine-grained hematite....
07 July 2025 8,554 4 View
I would appreciate insights on practical methods used in the lab (e.g., filtration and gravimetry, fluorescence staining with Nile Red, microscopy with ImageJ, FTIR, etc.) — especially those that...
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Hello, I am currently performing ultrafast spectroscopy measurements using short path length quartz cuvettes (1–2 mm). For cleaning, I have been using acetone, ethanol, and deionized water....
20 June 2025 3,279 3 View
In microwave-assisted synthesis, is it possible for the final product's morphology to remain the same even if several parameters are varied? like temperature, pH, precursor concentration,...
13 June 2025 6,153 2 View
Question: Hi everyone, I'm working on a flow cytometry-based assay and would appreciate advice on designing a FACS strategy to differentiate between monocytes, macrophages, and neutrophils derived...
04 June 2025 3,841 1 View
I need cellulose and nanocellulose preparation from natural fiber.
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Hello. I have recently encountered a problem in the synthesis of polypyrrole nanotubes. I read many articles that said if the reaction rate and conditions are not controlled, it will cause big...
17 May 2025 9,058 1 View
Suppose I synthesize polyaniline with, say, enhanced electrical conductivity, by metal ion doping, then how and why should the above polyaniline show better anti-corrosion performance on steel as...
05 May 2025 8,612 1 View
For example, resins that selectively adsorb/bind terephthalic acid (dicarboxylic acid) when being added to a mixture of benzoic acid (monocarboxylic acid) and terephthalic acid.
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I want to perform deconvolution of FTIR spectra to analyse the water, protein and starch region and also do not know how to interpret the secondary structures of proteins from FTIR spectra. Please...
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My interest is in recognizing adakite without going through chemical analysis. I believe there are some situations where remnant garnet minerals might be found....particularly in dike breccia...
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This question is due to the fact that it is not clear how many SLRs previously conducted by other authors are necessary to determine whether to do a tertiary study or a new SLR on a given topic....
08 April 2025 6,576 3 View
I am having problem purifying his-tagged protein using Talon cobalt resin. I can purify same protein Ni-his but I get some none specific binding proteins in the elution fractions. Cells were lysed...
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Hi, This is our peptide proton NMR with water suppression. The solvent we are using is 90% 20mM phosphate buffer + 10% D2O (pH=7). The problem we had is that the NMR of this peptide has the mess...
25 March 2025 838 0 View