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17 posts16 participants4 posts today
Happy Monday!
Today, chemistry students are looking at properties of acids & bases and then testing various chemicals for those properties.
Advanced chem is learning about strong/weak acids and bases and prepping to do a lab comparing pH of strong/weak acids at varying concentrations. Might see if they can get one of each to the same pH.
Web dev is proposing updates to a school website based on a comprehensive audit.
Last week, our trainers Dr. Annett Schröter and @the_fair_elephant were at the CRC1333 in Stuttgart, where our participant Prof Juergen Pleiss is one of the PIs.
It was a basic workshop on #Research #Data #Management with local relevance.
If you are also interested in having a workshop for your team, get in touch with us!
Je découvre le module 'groupplot' du package pgfplots, pour grouper des graphiques bien alignés. Dans certaines situations, ça peut s'avérer intéressant.
Données importées depuis un fichier csv.
Bon tuto sur cette chaîne dédiée aux graphes LaTeX :
Replied in thread
@TheConversationUS @blackmastodon The #Trump #ExecutiveOrders on #race remind me of a commentary for the @NPR station WMOT in Murfreesboro/#Nashville : “Chemical Eye 
on the Race Factor”.
A mixture of #chemistry , #biology , #history , #freedom and #USpol 
http://www.sitnews.us/MacDougall/102508_macdougall.html
www.sitnews.usSitNews - Chemical Eye on the Race Factor by PRESTON MACDOUGALLKetchikan, Alaska news. Southeast Alaska news, Alaska news, national and world news.
gen 
are you blogging about chemistry? want to be more scholarly and get more recognition for your work? Please check our the "Chemical Sciences" corner of @rogue_scholar
https://rogue-scholar.org/communities/chemicalsciences/records
I love to see your blog included! You get for free:
- citations from journal articles to your blog (in progress)
- archiving of your posts
- DOIs for your blog posts
All major blog platforms are supported.
The next Stammtisch is coming up!
On 25 April, Dr Kai Moshammer-Ruwe will talk about ‘Unlocking insights – how a data base can drive progress in combustion #science ’
#Combustion is still important. It's good to know that scientists are still looking into it. And as with many other sciences, a lot of the focus these days is on data.
This year is the science department's turn to order curriculum materials. We asked if we could buy equipment instead of textbooks and our wonderful admin said that was fine. So I'm getting many, many upgrades and additions to my toolset.
Today, my first new purchase came in.
Earth’s oceans once turned green – and they could change again
https://theconversation.com/earths-oceans-once-turned-green-and-they-could-change-again-253460
The ConversationEarth’s oceans once turned green – and they could change again
More from 
The Conversation UK
What a success 
Since our template for a #data #management #plans (DMP) went online, researchers have used the #template for #chemistry and have already created over 90 DMPs & 25 data policies. What a success for the researchers, who have saved a lot of time.
& for us, that our tool has been so well received.
Do you also need a DMP for your #research or third-party funding? Use our template according to DFG standards and create your DMP quickly and easily - for FREE.
#PhysicsJournalClub
"Direct observation of colloidal quasicrystallization"
by Y. Gao, B. Sprinkle, DWM Marr, and N. Wu
Nat. Phys. (2025)
doi.org/10.1038/s41567-025-02859-z
Quasicrystals are weird. When you solidify something it tends to get into a high-order state: a crystal. If you cool it down too fast so it doesn't manage to make a monocrystal it will form a polycrystalline state or, worse case scenario, something completely amorphous like a glass.
But quasicrystals are weird. They are ordered structures that lack a periodicity and making them is not easy.
In this paper the authors show how paramagnetic colloidal microspheres (i.e. big enough to be clearly visible under a microscope) subject to an electromagnetic field spontaneously arrange themselves into a quasicrystal.
This is 100% not my field, but the ability to create quasicrystals on demand looks so cool!
Splitting water into hydrogen and oxygen takes more energy than it theoretically should, which is partly why it's not used on a large scale to generate hydrogen fuel.
Now scientists know why – and it's all down to a feat of nanoscale gymnastics.
Physics World · Splitting water takes more energy than theory predicts – and now scientists know why – Physics WorldFlips in the orientation of water molecules explain sluggish reaction speeds
Improving Aluminium-Ion Batteries with Aluminium-Fluoride Salt.
There are many rechargeable battery chemistries, each with their own advantages and disadvantages. Currently lithium-ion and similar [e.g. Li-Po] rule the roost due to their high energy density at least acceptable number of recharge cycles, but aluminium-ion [Al-ion] may become a more viable competitor.
![A published paper by Chinese researchers claims to have overcome some of the biggest hurdles. In the paper as published in ACS Central Science by [Ke Guo] et al. the use of solid-state electrolyte, a charge cycle endurance beating LiFePO4 (LFP) and excellent recyclability are claimed.
<https://pubs.acs.org/doi/10.1021/acscentsci.4c01615>
It’s been known for a while that theoretically Al-ion batteries can be superior to Li-ion in terms of energy density, but the difficulty lies in the electrolyte, including its interface with the electrodes.
<https://en.wikipedia.org/wiki/Aluminium-ion_battery>](https://nerdculture.de/system/media_attachments/files/114/307/751/586/922/280/original/72d326c52b19e1f0.jpeg "A published paper by Chinese researchers claims to have overcome some of the biggest hurdles. In the paper as published in ACS Central Science by [Ke Guo] et al. the use of solid-state electrolyte, a charge cycle endurance beating LiFePO4 (LFP) and excellent recyclability are claimed.
<https://pubs.acs.org/doi/10.1021/acscentsci.4c01615>
It’s been known for a while that theoretically Al-ion batteries can be superior to Li-ion in terms of energy density, but the difficulty lies in the electrolyte, including its interface with the electrodes.
<https://en.wikipedia.org/wiki/Aluminium-ion_battery>")
![[ImageSource: ACS Central Science]
The newly developed electrolyte (F-SSAF) uses aluminium-fluoride (AlF3) to provide a reliable interface between the aluminium and carbon electrodes, with the prototype cell demonstrating 10,000 cycles with very little cell degradation. Here the AlF3 provides the framework for the EMIC-AlCl3 electrolyte. FEC (fluoroethylene carbonate) is introduced to resolve electrolyte-electrode interface issues.
A recovery of >80% of the AlF3 during a recycling phase is also claimed, which for a prototype seems to be a good start. Of course, as the authors note in their conclusion, other frameworks than AlF3 are still to be investigated, but this study brings Al-ion batteries a little bit closer to that ever-elusive step of commercialization and dislodging Li-ion.](https://nerdculture.de/system/media_attachments/files/114/307/753/514/699/430/original/1d5b44dcb19485e1.png "[ImageSource: ACS Central Science]
The newly developed electrolyte (F-SSAF) uses aluminium-fluoride (AlF3) to provide a reliable interface between the aluminium and carbon electrodes, with the prototype cell demonstrating 10,000 cycles with very little cell degradation. Here the AlF3 provides the framework for the EMIC-AlCl3 electrolyte. FEC (fluoroethylene carbonate) is introduced to resolve electrolyte-electrode interface issues.
A recovery of >80% of the AlF3 during a recycling phase is also claimed, which for a prototype seems to be a good start. Of course, as the authors note in their conclusion, other frameworks than AlF3 are still to be investigated, but this study brings Al-ion batteries a little bit closer to that ever-elusive step of commercialization and dislodging Li-ion.")
Scientists Reveal the Hidden Chemistry of Air Pollution…
The interaction between hydrocarbon molecules and light can influence the formation of nitrous acid in the atmosphere, a compound that plays a significant role in air pollution... #chemistry #airpollution #science
for much deliberation · Scientists Reveal the Hidden Chemistry of Air Pollution…The interaction between hydrocarbon molecules and light can influence the formation of nitrous acid in the atmosphere, a compound that plays a significant role in air pollution… #chemistry #a…
Last week we had another successful course at the Universität des Saarlandes
It was first planned on site, but was then realised online on request 
We cater entirely to you!
Would you also like to offer a workshop for your working group/team/department?
Then get in touch
A wild week of labs ahead.
First year chem is preparing stock solutions from solids to targeted molarity. We'll confirm their actual concentrations with spectrophotometry before doing a dilution to a new molarity and reconfirming.
Second year chem is doing acid/base equilibrium. Today is basics on types of acids/bases and general info on Kw. Then, they're doing a sim calculating pH/pOH. Later this week, we'll do a titration and then make buffer solutions.
#stem #Science #chemistry #materialsscience #cool
"Scientists Discover Bizarre Magic Molecules With Explosive Potential" Subby will let you know if that is true in either twelve hours or a thousand years, could be either
it seems I just released my first Pypi package every.
pyBacting 2.14 with Bacting 1.0.5 is now out: https://pypi.org/project/pybacting/0.2.14/
This gives you access in Python to (some of) the functionality of the Chemistry Development Kit, OPSIN, ChemSpider, PubChem, InChI, Excel files, BridgeDb, and BioJava
pypi.orgClient Challenge
ICYMI: Scientists use magnetic minerals, fossil records, and innovative mapping to reconstruct our planet's 4-billion-year geological #history. You can trace the movement of continents from ancient Pangea to today's landscape, explaining how our world has constantly reshaped itself. 
Learn more: https://thekidshouldseethis.com/post/magnetite-and-moving-maps-tracking-4-billion-years-of-plate-tectonics
