Am preparing mixture of PEG + Tween 80 to make micro-spheres, but the problem is that i do not know the proper amount of both of them in grams.
Better you do a preliminary test by performing some screening experiments in which you can gain better insight on how the process is going on.
23 January 2021 8,796 3 View
Information has spread widely, which speaks of a potential risk in the event of taking a Covid 19 vaccine, and that this matter definitely worries everyone. Is the Covid vaccine safe?
23 December 2020 4,342 7 View
It is generally observed that scientists and researchers worldwide always try to genetically engineer wild-type hyper-producer (high-yielding) strains that already produce enough/excellent...
31 August 2020 4,104 3 View
Is there research concerned with the effect of nanomaterials on limiting the spread of Covid 19?
05 August 2020 1,574 8 View
Dear Researchers, I am asking this question for my friend. "How to comment on/report a pooled proportion effect size calculated through double arcsine transformation method? Problem statement:...
08 June 2020 2,135 3 View
I appreciate any clarifications regarding this(python source code, articles "although I read many",...): The main thing I want to make is mesh->graph->weight function -> descriptors ->...
24 February 2020 7,612 2 View
i need to dissolve starch in solvent that could be dispersed in other emulsions like PVA + Tween80 . what is the best bio-solvent that dissolve starch with out using water?
23 January 2019 2,791 5 View
Am working on drug delivery by making chitosan microspheres, and i can not use any toxic solvents, How to dissolve chitosan in DW without using toxic solvents like acetic acid.?
24 December 2018 9,577 6 View
I submitted a manuscript to a journal more than 3 months ago; the status is still not under review (The website says the process takes less time). I contacted the editorial team several times,...
17 March 2018 8,076 22 View
pollution chronology related question
05 June 2017 9,042 4 View
Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...
03 March 2021 1,499 2 View
03 March 2021 5,360 2 View
28 February 2021 2,534 2 View
I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...
27 February 2021 5,383 3 View
Hi! I would want to know if I can use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography. This column has a polyethylene glycol phase, but I can't find the manual to check...
22 February 2021 730 2 View
I have calculated thermodynamic parameters for surfactant solutions in aqueous and mixed alcoholic solvents. I want to calculate the value of errors in the data and represent it in the table along...
22 February 2021 239 2 View
Hello everyone , Please tell me if It possible to seperat POlyethelyn glycol -4000 from an aqueuse media by other ways rather heating . I have tried salting out by electrolyte solution to...
22 February 2021 7,285 5 View
Hello everyone I would like to improve the buffer capacity of seawater (pH ~8) in order to dissolve as much CO2 as possible without dropping the pH below 7.5 (a range between 7 - 7.5 is...
17 February 2021 2,797 2 View
I am having a 200-degree Celcius heated poly alkylene glycol now I want to know in which type of container should I put that heated glycol or what should be the material of the container?
08 February 2021 6,819 1 View
Hello, In my sandwich-type ELISA which is testing for small molecule inhibition of a protein-protein interaction, it seems that DMSO percentage and dilution protocol are important. I...
31 January 2021 6,771 1 View