While forming polymer gels by crosslinking PHPA and PEI at 80oC or higher temperatures, the gel surface starts turning yellow in some days, and eventually the entire gel turns yellow and gets weakened. Why is this happening?
Hello everyone, I have prepared silver nanoparticles using plant extract and optimized its reaction parameters through UV-ViS spectrophotometer. Due to some reasons, UV_VIS spectrophotometer is...
04 January 2021 2,508 2 View
Looking for a free + psychometrically robust Intelligence Test that measures the "g" factor + verbal, numerical & logical reasoning abilities to run a Concurrent Validity Study.
20 December 2020 4,301 3 View
How to calculate total protein in dry fish if we have only the data of total amino acids present in dry fish. Is there any method to calculate?
14 November 2019 7,320 7 View
Difference in price at different marketing channel Calculation of price Representation of data in excel
13 January 2019 8,010 3 View
I want to check hydrogel swelling at different ph values..Can I use PBS buffer for ph 3-10 range by adjusting 1M HCl and 1M NaOH
19 July 2018 7,884 4 View
Hello, I am trying to simulate condensation in a horizontal tube on Ansys FLUENT, but every time my simulation diverges. I am still new with this software. Therefore, I took a paper as...
14 June 2017 3,127 7 View
would you recommend adjuvant chemotherapy for t1 t2 no colon cancer with poor prognostic factors eg poorly differentiated or lymphovascukar invasion any evidence for an against
14 April 2017 1,516 5 View
17 May 2015 559 2 View
Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...
01 March 2021 8,766 3 View
I am trying to classify and analyze the results of an SDS-PAGE based array for bacterial detection using machine learning, but I have trouble finding the best way to represent the results with...
27 February 2021 9,176 3 View
I am worried about this overexposure of the upper part of the gel in the picture. Is it possible that this is the result of too much concentration of ethidium bromide? Why is there such a big...
25 February 2021 8,140 3 View
I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...
24 February 2021 8,325 1 View
I am trying to clone 2 copies of the same mammalian gene into the pSF-CMV-Ub-Puro Ascl (contains HindIII, KpnI and NheI cut sites) plasmid. This is what the final product is supposed to look like...
24 February 2021 6,310 3 View
24 February 2021 2,362 5 View
Hi Everyone, I am a bigginer in western blotting and I am trying to use it for validation of my proteomics data. I have: two regulated proteins with molecular mass of 40 and 73 kDa one control...
23 February 2021 6,671 4 View
Hello, I asm currently working with alginate and silk fibroin hydrogels. I prepared a blend of alginate and aqueous silk fibroin (straight from dialysis) and resorted to ionic crosslinking to...
23 February 2021 8,249 2 View
I need help using the equation C1V1=C2V2 figuring out how much antibody to add to use for a western blot. The stock was origianlly 3.45 ng/ul but diluted 1:10 so now its 0.345 ng/ul. I need to run...
22 February 2021 9,901 3 View
Hi all, I proceed with nucleic acid gel electrophoresis recently several times, but a wried phenomenon is they always melted after running over 30min. My gel concentration is 1% percentage...
22 February 2021 9,896 3 View