i am doing two step melts polycondensation reaction . for that i need to know how to calculate by-product theoretical yield?
A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
11 August 2024 9,801 2 View
I am not able to get good literature and the physics behind how first these grains and grain boundaries arises out of no where when we make a pellet to study its dielectric properties and then how...
07 August 2024 5,177 3 View
how is prion can cause disease
01 August 2024 250 1 View
The delta function seems produce logical contradictions when analyzed on a fundamental level. I would be curious if anyone else agrees.
31 July 2024 10,109 3 View
Dear researchers. I tried using the IHC PROFILER in image j to quantify nuclear DAB staining. I followed the instructions in the original article by "Varghese F, Bukhari AB, Malhotra R, De A...
29 July 2024 2,229 0 View
My question pertaining to the DAB staining in cytoplasm of human oral squamous cell carcinoma tissue. When quantifying the epithelial cancer cells do we have to crop remove the stromal tissue?...
29 July 2024 2,682 6 View
Hey All! I am wondering what might be wrong with my band structure. I did the calculations using VASP and plotted the results using Origin. Although I have tried changing various input...
25 July 2024 2,920 11 View
Gene sequencing related trouble shooting
25 July 2024 4,149 2 View
I am looking for a lipid waste disposal method, keeping in mind the environmental, health and safety aspect of lipid waste. Could someone please provide guidelines or the lowest acceptable...
25 July 2024 637 5 View
I'm working on the atmospheric water harvesting, and i synthesized MOF by adding some materials into precursor and changing the conditions. (i followed Hydrothermal method) Actually, if MOF is...
24 July 2024 1,515 0 View
I am puzzled about the properties of gelatin, when used for tissue-embedding. Hard gelatin can be melt again by temperatures about 40°C. Formalin-fixed gelatin is like crosslinked protein and...
07 August 2024 1,686 1 View
Do these peaks in the curve indicate primer dimer or non-specific products?
01 August 2024 7,466 0 View
What is the best way to freeze the rat brain - liquid nitrogen, Dry ice , isopentane - after isolation for later protein investigation by Elisa?
01 August 2024 1,722 1 View
I need to Postfix mice brains. I slice the brains using microtome at 40 microns. These are Postnatal days 7, 11, 14, and 21. I am using half the brain for other analysis, so I need to fresh freeze...
31 July 2024 1,123 4 View
Hello everyone, I am currently working on a project involving spatial transcriptomics on E14 mouse embryos. We need to perform cryosectioning without fixing the embryos. Here is the protocol we...
10 July 2024 5,985 0 View
Hi! I am working on a biophotonics project in which I need isolated but inactive CD4+ splenocytes. Every protocol and piece of literature I have found immediately activates and cultures...
02 July 2024 4,887 0 View
For Polybutylene Terephthalate (PBT) it is known that if you cool it down at fast rates to have an additional melting Peak in DSC-Scans. Androsch et al. (2015) conclude that this is due to...
30 June 2024 2,891 1 View
A physical mix was in vitro evaluated on a torque rheometer. The composition was predominantly recycled polypropylene (PP), yet the melt flow index (MFI) was found to be excessively high....
25 June 2024 10,154 0 View
I am working on polymerizing monomers similar to lactic acid, each containing one carboxylic acid and one alcohol group, through a polycondensation technique. Despite using vacuum conditions...
20 June 2024 2,966 4 View
I isolated my cloned plasmid from TOP10 cells using invitrogen plasmid miniprep kit and eluted it in TE buffer. But I noticed that contrary to my plasmid aliquot, it does not freeze at -20 degree...
19 June 2024 1,612 8 View