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Hi everyone i am doing NH3 TPD to measure the acidity of my catalyst. I have got three peaks instead of two. The first peak arou 110-130 should not appear.
05 June 2018 9,486 0 View
can someone tell me how can I determined the presence of OH group just by FTIR (not by Pyridine FTIR)?
05 June 2017 9,826 6 View
Fir the reduction of Fe-zsm-5 in flow of hydrogen at elevated temp. What the chemistry or mechanism behind that?
09 October 2015 6,856 1 View
I'm cloning a fragment of 3200 nts into plasmid. The cloning was successful, however, 02 amino acids were mutated. Now I want to fix these 02 aa by site-directed mutagenesis technique using...
08 August 2024 4,645 2 View
In order to show people the beauty of control and enhance enthusiasm for learning control theories, are there any good simple systems or platforms to recommend?
05 August 2024 10,034 1 View
I am performing ligation of the plasmid and a target gene. The steps I have taken are: 1. Double digestion of the plasmid and target gene 2. Ligation of the plasmid with the target gene 3....
05 August 2024 2,570 3 View
I am having an issue with my gel image where my PCR product is not appearing very bright on the gel. When I perform gel extraction, the A260/280 purity value is very low. I used the Qiagen gel...
05 August 2024 9,798 3 View
Hi guys If anyone is currently working on aging cells, you guys would like to give me some advice. I'm testing against biomarker (SA-beta-Gal), I encountered a false positive in the control group...
02 August 2024 6,735 1 View
I am currently researching the impact of environmental toxins on children's health and would greatly appreciate insights from experts in the field. If you are an expert or researcher working on...
02 August 2024 4,474 2 View
I have seen plenty of existing works on applied Reinforcement Learning (RL) policies for optimized scheduling in IoT networks including Q-learning, DQNs, and the newer ones including PPO for...
01 August 2024 8,754 2 View
We have a lateral flow test on Sartorius 140 NC. The conjugate is gold-monoclonal antibody. Using different control lines (GAM, protein A, protein G) we get a very strong leading edge with reduced...
31 July 2024 4,510 3 View
Hello everyone, I performed a PCR yesterday, and the results showed no bands on the gel. Of course, I probably missed some crucial steps, like adding my samples to the PCR strips themselves, for...
31 July 2024 2,406 6 View
Can anyone with an MJ research / BioRad PCR machine from ~2010 or earlier tell me the external measurements (LxWxH) of the removable standard PCR alpha modules that can be removed from a PTC200 or...
30 July 2024 2,867 0 View