Convert Ionic Chromatography in HPLC ?

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¿Are oxygen vacancies in semiconductors capable to change the band gap?

Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...

30 July 2024 8,339 2 View

What is the solubility of Iron (+3) in Bismuth Oxide?

Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco

29 July 2024 2,163 1 View

How to create parameter and coordinate files for ligand in amber when FATAL error (maybe due to duplicate bond specifications) happens?

Hello, I'm trying to create parameter and coordinate files for a drug (PRG-A01) found on the following page: http://www.probechem.com/products_PRG-A01.html I used the guide made by Michael...

17 July 2024 3,472 3 View

I need help to write a good simulation of the solar system and its travel around the galaxy.Can you help me finish the code?

This is the code I have. I would need: An initial configuration (position and momentum), the orientation of the ecliptic with respect to the direction of travel by the sun, The orientation of the...

09 July 2024 6,063 2 View

?como elimino articulos que no son propios?

eliminoar articulos que son de tu autoria

05 July 2024 2,107 1 View

Thin DNA gel loading sample tips?

I have a 0.25mM thick gel and I am having trouble cleaning out the wells to ensure constant sample application. I usually use a thin syringe to get into the wells and rinse them out with running...

01 July 2024 2,124 2 View

How to export publications to LinkedIn?

Does anyone here know how to export publications (from ResearchGate, ORCID, Google Scholar or EndNote) to a LinkedIn profile? I would like to avoid adding each paper manually. Thanks.

12 May 2024 9,307 4 View

Mini-prepped Plasmid Uncut DNA runs way higher than cut DNA ?

Hello all, I have a mini-prepped DNA that I am trying to digest with EagI. After doing the digestion it looks like the reaction with the restriction enzyme maybe linearizing my plasmid as it...

08 May 2024 1,073 3 View

Is possible to dock metals (metal ions) with an apo-protein using MOE?

Hello I need to perform a docking between some metal ions and a protein, in order to study the stability of that protein before and after the metalation. Which software can be used to achieve that...

08 May 2024 3,269 4 View

Am I wrong when I correct Einstein's Relativity by addressing Einstein's error in the Twin Paradox?

https://www.linkedin.com/posts/quantuniverse_revisiting-the-twin-paradox-or-where-physics-activity-7194380109494079489-qVYV?utm_source=share&utm_medium=member_desktop This is the first of a...

08 May 2024 407 49 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

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 you connect an HPLC to a Mass Spec only at a certain time point?

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

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

RNA Extraction Using Hot Borate Method No Longer Working?

I've been performing RNA extraction on cotton petiole tissue for a few months now using the method described in the following paper, a derivative of the typical hot borate method...

08 August 2024 9,882 2 View

Can I use a HisTRAP column for affinity chromatography?

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

What is the solvent for 8YSZ nano material?

I need to do some experiment with it in liquid form.

07 August 2024 613 3 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

Why is electronic energy 0.000 for liquid crystal compounds and is invariable with temperature in Guassian 09 software?

Are there any suggestions or insights you can provide to help address this problem

06 August 2024 1,443 2 View

Hi, please what is the best tool on Aspen plus that can help me get the best inlet temperature and pressure for cryogenic distillation?

I am trying to recover liquid CO2 from a mixture of 0.6 CO2, 0.3 N2, and 0.1 O2. My aim is to recover about 99% liquid CO2 at the bottom of the column and make sure the amount of gaseous CO2...

06 August 2024 4,611 0 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View