I tried many chemical suppliers but no one is providing this reagent can someone help me to buy it specially in China.
I want to extract unknow dipeptides from high salt solution. My peptide is in very dilute concentration about 100ng/ml with total volume in 10ml. I am planing for SPE but confused about the...
05 June 2014 5,180 3 View
I want to check the stability of RNA under different condition including harsh conditions.
31 December 2013 504 1 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
Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...
25 February 2021 3,443 4 View
I have been using Lipofectamine 2000 but was hoping there may be a better protocol or one for something like Lipofectamine PLUS reagent.
24 February 2021 1,633 4 View
My baseline increases without any explanation, it is only fixed by changing the solution B, will it be the column? Reagents? Bomb? Detector? Solution A: H3PO4 0.01% IN WATER Solution B: H3PO4...
21 February 2021 5,656 3 View
I try to transfect MDA MB 231 cell line with a plasmid by PEI, unfortunately, the rate of transfection is low, and now I wanna find and order the best transfection reagent for this cell line and...
19 February 2021 828 6 View
I work on estimation of alpha amylase activity using dinitrosalisylic acid reagent If i put the reagent to stope the enzymatic reaction and allow the reagent to react with the produced reducing...
17 February 2021 7,402 4 View
Hi there, my lab recently opted to use LavaLAMP from Lucigen instead of the Warmstart kit from NEB. However, Lucigen has yet to create a colormetric kit for RT-LAMP, and adding phenol-Red (pH...
17 February 2021 5,399 1 View
Can anyone recommend some any software/models available that can predict substance reactivities and the reaction yield under a specific set of reaction conditions process and proposing pathways to...
17 February 2021 2,383 3 View
Dear friends! I am back to work after 3 years career break. Now performing a PCR, feeling like a newbie... Please, help to understand whether RT-PCR reaction "worked" or not. Which results should...
14 February 2021 3,129 8 View
In order to measure the polyphenols in broccoli, we prepared a reagent for measurement using the following procedure. 1. Extract the crushed plant with 70% methanol. 2. Mix 1 ml of the extract...
07 February 2021 845 4 View