Frederik Hammes 🇨🇭🇿🇦
@drinkmic.bsky.social
Drinking water microbiologist at Eawag interested in biofilms, building plumbing, Legionella, flow cytometry, microbial ecology, and sci-art.
Co-culturing different colours of bacteria for the microbial art project 🙂🦠🧫
July 15, 2025 at 9:16 AM
Co-culturing different colours of bacteria for the microbial art project 🙂🦠🧫
My artistic skills need to develop a bit, but I nearly have all the colours needed for an agar art project ! 🦠🧫
July 11, 2025 at 9:38 AM
My artistic skills need to develop a bit, but I nearly have all the colours needed for an agar art project ! 🦠🧫
Red bacteria vs white bacteria 🙂
July 11, 2025 at 9:35 AM
Red bacteria vs white bacteria 🙂
Reposted by Frederik Hammes 🇨🇭🇿🇦
We are looking for a highly motivated postdoc to work on pathogen interactions. Please send in your application via
jobs.uzh.ch/job-vacancie...
jobs.uzh.ch/job-vacancie...
UZH: Postdoctoral researcher in microbiology
The Department of Quantitative Biomedicine is an interdisciplinary biomedical research unit that combines basic science with biotechnological and medical research, using both experimental and computat...
jobs.uzh.ch
June 10, 2025 at 2:14 PM
We are looking for a highly motivated postdoc to work on pathogen interactions. Please send in your application via
jobs.uzh.ch/job-vacancie...
jobs.uzh.ch/job-vacancie...
Air sampling gives a nice reminder about about how many fungi we are breathing... 🦠🧫
June 8, 2025 at 5:56 AM
Air sampling gives a nice reminder about about how many fungi we are breathing... 🦠🧫
The start of a new agar art project..... 🧫🦠
May 20, 2025 at 9:45 AM
The start of a new agar art project..... 🧫🦠
SundayScience is kitchen top beer brewing and water analysis 🙂 🦠 🧫
May 18, 2025 at 10:05 AM
SundayScience is kitchen top beer brewing and water analysis 🙂 🦠 🧫
📣 JOB ALERT
We have a fully funded postdoc position open in our group, to work on the topic of Legionella, temperature, buildings and climate change...!
🧫🦠
apply.refline.ch/673277/1255/...
We have a fully funded postdoc position open in our group, to work on the topic of Legionella, temperature, buildings and climate change...!
🧫🦠
apply.refline.ch/673277/1255/...
Post-doctoral researcher (80 – 100%) in the field of Legionella spp. response to temperature
The Department of Environmental Microbiology (Umik) has a vacancy for a
apply.refline.ch
May 7, 2025 at 7:07 PM
📣 JOB ALERT
We have a fully funded postdoc position open in our group, to work on the topic of Legionella, temperature, buildings and climate change...!
🧫🦠
apply.refline.ch/673277/1255/...
We have a fully funded postdoc position open in our group, to work on the topic of Legionella, temperature, buildings and climate change...!
🧫🦠
apply.refline.ch/673277/1255/...
It's not everyday that you find purple colonies... Non-chlorinated tap water on R2A agar 🦠🧫
March 12, 2025 at 7:40 AM
It's not everyday that you find purple colonies... Non-chlorinated tap water on R2A agar 🦠🧫
Teaching the next generations of young scientists a practical course about biofilms in building plumbing potable water... these are some fabulous images from their own shower hoses 🦠🧫
February 18, 2025 at 6:29 PM
Teaching the next generations of young scientists a practical course about biofilms in building plumbing potable water... these are some fabulous images from their own shower hoses 🦠🧫
Fungi growing on used coffee grounds in my office...
January 20, 2025 at 11:31 AM
Fungi growing on used coffee grounds in my office...
SaturdayScience: Making the microbes work on the weekend.... Garlic Brioche for dinner 🙂
January 18, 2025 at 5:41 PM
SaturdayScience: Making the microbes work on the weekend.... Garlic Brioche for dinner 🙂
Happy new year everyone!
Day one back in the lab (new year's resolution), testing potable water biofilm staining with crystal violet 🧫🦠
Day one back in the lab (new year's resolution), testing potable water biofilm staining with crystal violet 🧫🦠
January 6, 2025 at 1:09 PM
Happy new year everyone!
Day one back in the lab (new year's resolution), testing potable water biofilm staining with crystal violet 🧫🦠
Day one back in the lab (new year's resolution), testing potable water biofilm staining with crystal violet 🧫🦠
Cooking dinner with a work-appropriate splatter board for inspiration 🙂
December 27, 2024 at 5:18 PM
Cooking dinner with a work-appropriate splatter board for inspiration 🙂
Academia rule 1
If you submitted a paper before x-mas holidays you have to review a paper during said holidays......
If you submitted a paper before x-mas holidays you have to review a paper during said holidays......
December 21, 2024 at 7:43 PM
Academia rule 1
If you submitted a paper before x-mas holidays you have to review a paper during said holidays......
If you submitted a paper before x-mas holidays you have to review a paper during said holidays......
decided to ditch biorender, so now I have to draw the biofilms myself . Autumn series, 5 species. 🦠🧫
December 6, 2024 at 7:18 PM
decided to ditch biorender, so now I have to draw the biofilms myself . Autumn series, 5 species. 🦠🧫
🦠 🧫 Our hunt for the natural enemies of Legionella is now out on preprint !
Check our last manuscript now up on biorXiv! We analyzed the inhibitory capabilities of isolated aquatic bacteria towards different Legionella spp. and discovered variable outcomes, while reinforcing the role of biosurfactants (we specifically detected viscosin) as anti-Legionella compounds.
Variable inhibition of different Legionella species by antagonistic bacteria
The genus Legionella includes opportunistic pathogens inhabiting engineered aquatic ecosystems, where managing their presence and abundance is crucial for public health. In these environments, Legione...
www.biorxiv.org
December 2, 2024 at 7:09 PM
🦠 🧫 Our hunt for the natural enemies of Legionella is now out on preprint !
Reposted by Frederik Hammes 🇨🇭🇿🇦
Last but not least, I want to thank @drinkmic.bsky.social
and @alecava.bsky.social for all the discussions and support through this journey into the Legionellaceae family!
n/n
and @alecava.bsky.social for all the discussions and support through this journey into the Legionellaceae family!
n/n
October 24, 2024 at 11:38 AM
Last but not least, I want to thank @drinkmic.bsky.social
and @alecava.bsky.social for all the discussions and support through this journey into the Legionellaceae family!
n/n
and @alecava.bsky.social for all the discussions and support through this journey into the Legionellaceae family!
n/n
Tomorrow is open door day at Eawag and we are doing a community science project, looking at the #biofilm in peoples shower hose, and using that as a platform to discuss #legionella and #drinkingwaterquality. Photo shows diverse biofilms from 12 shower hose 😀
🦠🧫
🦠🧫
September 13, 2024 at 4:44 PM
Tomorrow is open door day at Eawag and we are doing a community science project, looking at the #biofilm in peoples shower hose, and using that as a platform to discuss #legionella and #drinkingwaterquality. Photo shows diverse biofilms from 12 shower hose 😀
🦠🧫
🦠🧫
I cannot be the only microbiologist who thinks cleaning a drain is just awesome.... 😂 🦠 🧫
July 12, 2024 at 7:17 PM
I cannot be the only microbiologist who thinks cleaning a drain is just awesome.... 😂 🦠 🧫
We catalogued all 77 known #Legionella species 🙂
Read about it on our LeCo-project blog here:
blog.hslu.ch/leco-en/2024...
The complete list is available on Github (github.com/mgabriell1/L...), where we will keep it updated and hopefully expand in the future!
🦠🧫
Read about it on our LeCo-project blog here:
blog.hslu.ch/leco-en/2024...
The complete list is available on Github (github.com/mgabriell1/L...), where we will keep it updated and hopefully expand in the future!
🦠🧫
May 16, 2024 at 2:18 PM
We catalogued all 77 known #Legionella species 🙂
Read about it on our LeCo-project blog here:
blog.hslu.ch/leco-en/2024...
The complete list is available on Github (github.com/mgabriell1/L...), where we will keep it updated and hopefully expand in the future!
🦠🧫
Read about it on our LeCo-project blog here:
blog.hslu.ch/leco-en/2024...
The complete list is available on Github (github.com/mgabriell1/L...), where we will keep it updated and hopefully expand in the future!
🦠🧫
New preprint with a bunch of smart co-authors where we took a deep dive into qPCR vs Culture for Legionella pneumophila quantification and risk assessment
🦠🧫
medrxiv.org/cgi/content/...
🦠🧫
medrxiv.org/cgi/content/...
Quantification of Legionella pneumophila in building potable water systems: a meta-analysis comparing qPCR and culture-based detection methods
medRxiv - The Preprint Server for Health Sciences
medrxiv.org
May 6, 2024 at 6:26 PM
New preprint with a bunch of smart co-authors where we took a deep dive into qPCR vs Culture for Legionella pneumophila quantification and risk assessment
🦠🧫
medrxiv.org/cgi/content/...
🦠🧫
medrxiv.org/cgi/content/...
SaturdayScience: fermented flour experiment, char grilled and stuffed with fresh things 🙂
April 28, 2024 at 3:11 PM
SaturdayScience: fermented flour experiment, char grilled and stuffed with fresh things 🙂
First bread of the new season! The sourdough is wild cherry blossom grown on whole-grain flour.
#SundayScience
#SundayScience
April 21, 2024 at 6:56 AM
First bread of the new season! The sourdough is wild cherry blossom grown on whole-grain flour.
#SundayScience
#SundayScience
If you treat reviewing papers as an adversarial process, you are doing it wrong. Just this.
April 18, 2024 at 7:15 PM
If you treat reviewing papers as an adversarial process, you are doing it wrong. Just this.