How the flexion point is related to the mechanical strength properties and degradation of a polymer?
http://academic.sun.ac.za/POLYCHAR/Hess%20shortcourse.ppt
I am trying to find the microbial count, Specifically a) total aerobic microbes b) total yeast and mould C) E.Coli and d)Salmonella sp. Could anyone suggest a medium for enumeration of above microbes?
07 August 2018 2,145 12 View
Proteoglycan in liquid samples was estimated by periodic Schiffs assay method (Mantle and Allen, 1978). Whether the presence of free glycosaminoglycan in the sample will interfere the proteoglycan...
06 July 2017 8,351 1 View
The salts should be removed from the solution contains proteins and salts (calcium oxide/ sodium chloride) by diafiltration process. My question is 1) Can we use the ultrafiltration membrane for...
06 July 2017 7,970 9 View
The FTIR spectrum of biomass consists protein (60%) and lipids (8%) shows amide I and amide III but does not show the amide II peak at 1510 and 1580 cm-1. What is the possible reason could be?
11 December 2016 6,926 10 View
1) The lipids was extracted and 1H NMR spectra was obtained. In that there is no peak in region 7.0 - 10.0 ppm corresponding for primary and secondary oxidation products . But while doing...
31 December 2015 6,293 2 View
For a chemical reaction, mentioned as conversion is 100% and yield is 66%. what does it mean?
04 May 2015 10,955 9 View
1) I want to concentrate peptides and amino acids present in the liquid. Can i use ammonium sulphate preciptation? Will it works good? 2) Amino acid can be precipitated by changing the pH to...
02 March 2015 3,706 5 View
I want to determine TOC and TKN of solid samples. In our analyzer we can analyze only liquid samples. What is the procedure to hydrolyze/digest the sample? Which acid and its concentration can be...
11 December 2014 4,245 7 View
Usually ammonium sulfate is used to precipitate proteins. Likewise can we precipitate amino acids and peptides using ammonium sulfate or any other means?
11 December 2014 10,048 6 View
Is it possible to extract oil (From seeds) by cloud point extraction method? Can anyone explain the principle behind the cloud point of extraction? In one reference the authors acidified the...
08 September 2014 2,679 1 View
I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.
11 August 2024 9,101 4 View
I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?
11 August 2024 5,138 1 View
Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!
11 August 2024 3,770 4 View
Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...
10 August 2024 7,180 0 View
I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...
10 August 2024 7,429 2 View
How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...
10 August 2024 942 3 View
How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?
09 August 2024 7,718 0 View
We intend to study the interaction between peptides and polymer (like PP, PE and PS) through MD simulations using Martini force fields ( Martini 2 for PP and Martini 3 for PE, PS). We have...
08 August 2024 4,842 0 View
Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...
07 August 2024 1,937 1 View
The stability of the Solar System is a complex subject that blends the classical framework of Newtonian mechanics with the modern insights provided by General Relativity (GR). Understanding this...
07 August 2024 2,569 1 View