I should set up "vintage" Buchi flash-chromatography system with next parts:
pump B-688;
gradient programmer B-687
peak detector B-686;
fractions collector B-684.
Does anybody have a manual for one of them?
I was recently performing a great deal of qPCRs on adipose tissue derived RNA. I had experimental samples from sick, and control samples from healthy individuals. I used the same chemistry for all...
04 June 2024 6,924 0 View
Hello RG, I have results from Sanger sequencing for validation of multiple variants I have found in my patients cohort, can you please instruct me if there is some sort of open source program...
21 August 2022 1,286 0 View
The scientific literature publishes data on measurements of anomalously high oxygen concentrations near the seabed in the world's oceans. There is evidence of oxygen anomalies in the waters of the...
08 August 2022 9,813 0 View
Recently, as a result of an increase in water temperature and a decrease in the concentration of dissolved oxygen in the water, whitening of corals has been recorded (death of algae in the...
14 July 2022 9,729 4 View
I would like to build a lateral projection of a z-stack with the correct linear size ratio for the final illustration, how can I change the pixels size ratio in ImageJ?
06 August 2021 4,857 3 View
My simulation of the neutrons production by low-energy (11 MeV) protons in Al (with surrounding sells of other materials) results to the message: "warning. use models for the following missing...
23 December 2020 6,319 0 View
Has anyone worked with .vws Till Photonic image files in python? Are there libraries or other ways to extract TIFF images from them directly in the script?
22 September 2020 972 4 View
I wrote several monographs on the geodynamics of hydrogeology and the forecast of earthquake. I have determined that hydrogeology can be the cause of rainfall and notvice versa. As a result of...
10 May 2018 6,329 7 View
bromination of 3- and 4-hydroxyquinolines! Solvent? Temperature? Catalysts?
19 December 2017 6,656 3 View
ESI and MALDI-TOF MS, palladium (II) complexes with N^N chelating ligands
13 December 2017 5,273 4 View
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
Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...
11 August 2024 8,141 3 View
Hello experts, Does anyone know any free software about retention index prediction ?
08 August 2024 7,403 2 View
I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...
07 August 2024 505 3 View
Palmitic acid presence in aqueous fraction
05 August 2024 8,624 4 View
I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...
05 August 2024 3,290 1 View
Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?
03 August 2024 7,035 3 View
or we can collaborate
01 August 2024 6,705 2 View
The module of the CAD detector is corona Veo. It has been idle for a long time. And it was not well maintained before idle. I have replaced the gas filters and flushed the system with a 50/50...
01 August 2024 7,805 0 View
I need something like Camag's VisionCat software for photodocumentation of TLCs. Could you recommend something?
31 July 2024 8,415 1 View