Johannes Gierschner
@gierschner.bsky.social
Senior Research Prof. IMDEA Nanoscience Madrid
💻🧪Photophysics of Organic & Hybrid Materials
😐💪 Scientific Integrity Decline
Profile: nanoscience.imdea.org/home-en/people/item/johannes-gierschner
Website: www.uv.es/jogiers
orcid.org/0000-0001-8177-7919
💻🧪Photophysics of Organic & Hybrid Materials
😐💪 Scientific Integrity Decline
Profile: nanoscience.imdea.org/home-en/people/item/johannes-gierschner
Website: www.uv.es/jogiers
orcid.org/0000-0001-8177-7919
🙂 With Zengqi Xie at SCUT: research talks, tuturial & discussions on #chemsky #pisky
...and seminar & course on #researchintegrity
Thanks again, Zengqi & group, for 3 packed, great days!
...and seminar & course on #researchintegrity
Thanks again, Zengqi & group, for 3 packed, great days!
November 14, 2025 at 10:27 AM
🙂 With Zengqi Xie at SCUT: research talks, tuturial & discussions on #chemsky #pisky
...and seminar & course on #researchintegrity
Thanks again, Zengqi & group, for 3 packed, great days!
...and seminar & course on #researchintegrity
Thanks again, Zengqi & group, for 3 packed, great days!
Dr. Indranil Bhattacharjee has left the group to join Distinkt www.distinkt.tech in Barcelona, as R&D chief scientist. All the best for your future, Indranil!
November 3, 2025 at 11:39 AM
Dr. Indranil Bhattacharjee has left the group to join Distinkt www.distinkt.tech in Barcelona, as R&D chief scientist. All the best for your future, Indranil!
👉Retraction Watch @retractionwatch.com reports👇:
"Web of Science company involved in dubious awards in Iraq"
#researchintegrity
"Web of Science company involved in dubious awards in Iraq"
#researchintegrity
Exclusive: Web of Science company involved in dubious awards in Iraq
Hayder A. Dhahad, Iraq’s deputy minister for scientific research affairs, speaks at an awards ceremony at the country’s Science Day celebration. Source: Instagram In the string of prestigious…
retractionwatch.com
October 31, 2025 at 8:24 AM
👉Retraction Watch @retractionwatch.com reports👇:
"Web of Science company involved in dubious awards in Iraq"
#researchintegrity
"Web of Science company involved in dubious awards in Iraq"
#researchintegrity
Happy to organize once more the Course on
"Simulation of Materials" within the European MSc in Theoretical Chemistry & Computational Modelling EM-TCCM @emtccm.bsky.social
at IMDEA Nanoscience @imdeanano.bsky.social.
👉Thanks to Org.Team members Cristina, José & Begoña
#CompChemSky
"Simulation of Materials" within the European MSc in Theoretical Chemistry & Computational Modelling EM-TCCM @emtccm.bsky.social
at IMDEA Nanoscience @imdeanano.bsky.social.
👉Thanks to Org.Team members Cristina, José & Begoña
#CompChemSky
October 30, 2025 at 5:53 AM
Happy to organize once more the Course on
"Simulation of Materials" within the European MSc in Theoretical Chemistry & Computational Modelling EM-TCCM @emtccm.bsky.social
at IMDEA Nanoscience @imdeanano.bsky.social.
👉Thanks to Org.Team members Cristina, José & Begoña
#CompChemSky
"Simulation of Materials" within the European MSc in Theoretical Chemistry & Computational Modelling EM-TCCM @emtccm.bsky.social
at IMDEA Nanoscience @imdeanano.bsky.social.
👉Thanks to Org.Team members Cristina, José & Begoña
#CompChemSky
👇 more "scientific artwork"🤨 in #chemsky, flagged at
pubpeer.com/publications...
....no wonder that the lead authors of this 'high-quality' work are listed in the so-called "World's Top 2% Scientists", Elsevier's annual Vanity Fair for Citation Gamer
Stop Counting Numbers = #researchintegrity
pubpeer.com/publications...
....no wonder that the lead authors of this 'high-quality' work are listed in the so-called "World's Top 2% Scientists", Elsevier's annual Vanity Fair for Citation Gamer
Stop Counting Numbers = #researchintegrity
October 28, 2025 at 4:48 PM
👇 more "scientific artwork"🤨 in #chemsky, flagged at
pubpeer.com/publications...
....no wonder that the lead authors of this 'high-quality' work are listed in the so-called "World's Top 2% Scientists", Elsevier's annual Vanity Fair for Citation Gamer
Stop Counting Numbers = #researchintegrity
pubpeer.com/publications...
....no wonder that the lead authors of this 'high-quality' work are listed in the so-called "World's Top 2% Scientists", Elsevier's annual Vanity Fair for Citation Gamer
Stop Counting Numbers = #researchintegrity
🤨No & No again! 👉 "Stale Citations" are an integral part of science: to give credit to crucial works of the past, avoiding 'reinventions', being a plague in research, e.g. in #chemsky #pisky
Your biased AI Tool to keep "research fresh" is a tombstone of science. Spooky indeed 😱 #researchintegrity
Your biased AI Tool to keep "research fresh" is a tombstone of science. Spooky indeed 😱 #researchintegrity
Check 18 of 26: citations older than a mummy’s wrap.
Paperpal Preflight for Editorial Desk highlights outdated references, ensuring research stays fresh, relevant and current.
Stale citations belong in history, not in peer review.
#ResearchIntegrity #Halloween
Paperpal Preflight for Editorial Desk highlights outdated references, ensuring research stays fresh, relevant and current.
Stale citations belong in history, not in peer review.
#ResearchIntegrity #Halloween
October 25, 2025 at 5:56 PM
🤨No & No again! 👉 "Stale Citations" are an integral part of science: to give credit to crucial works of the past, avoiding 'reinventions', being a plague in research, e.g. in #chemsky #pisky
Your biased AI Tool to keep "research fresh" is a tombstone of science. Spooky indeed 😱 #researchintegrity
Your biased AI Tool to keep "research fresh" is a tombstone of science. Spooky indeed 😱 #researchintegrity
👉 Great to talk about #ResearchIntegrity at Elettra Sincrotrone Trieste, within the Open Science Week of the Across Alliance www.across-alliance.eu
Thank you again, Giovanni De Ninno & Barbara Ressel, for the kind invitation, and to the audience for the thoughtful discussion!
Thank you again, Giovanni De Ninno & Barbara Ressel, for the kind invitation, and to the audience for the thoughtful discussion!
Across Open Science Week | Across
The Across Alliance is organizing an Open Science Week from October 20 to 24, 2025. Events will take place across all member universities and will also be
www.across-alliance.eu
October 24, 2025 at 3:08 PM
👉 Great to talk about #ResearchIntegrity at Elettra Sincrotrone Trieste, within the Open Science Week of the Across Alliance www.across-alliance.eu
Thank you again, Giovanni De Ninno & Barbara Ressel, for the kind invitation, and to the audience for the thoughtful discussion!
Thank you again, Giovanni De Ninno & Barbara Ressel, for the kind invitation, and to the audience for the thoughtful discussion!
👉"Quality over Quantity" in Publishing - also endorsed by Cambridge University Press 💪💙
#ChemSky, #CompChemSky, #PiSky #researchintegrity
#ChemSky, #CompChemSky, #PiSky #researchintegrity
“We fundamentally believe that publishing less – but better – is essential for the health of the entire research system worldwide,” the authors of the report state.
Less is more: academic publishing needs ‘radical change,’ Cambridge press report concludes
Academic publishing needs “renewed focus and collective action” to embrace new approaches and ensure the future of the industry, concludes a report from Cambridge University Press, released last we…
retractionwatch.com
October 22, 2025 at 5:50 AM
👉"Quality over Quantity" in Publishing - also endorsed by Cambridge University Press 💪💙
#ChemSky, #CompChemSky, #PiSky #researchintegrity
#ChemSky, #CompChemSky, #PiSky #researchintegrity
👉Also Sorbonne bsky.app/profile/sorb... pulled out of 'THE' University Ranking 👇
Important step in times of massive, systematic gaming by Universities, being a main incentive for Hyperprolific Publishing, Citation Cartels, Paper Mills & Junk Science!
#researchintegrity, #Chemsky, #CompChemSky
Important step in times of massive, systematic gaming by Universities, being a main incentive for Hyperprolific Publishing, Citation Cartels, Paper Mills & Junk Science!
#researchintegrity, #Chemsky, #CompChemSky
Why Sorbonne pulled out of university ranking
France’s Sorbonne University plans to leave the Times Higher Education (THE) Rankings, adding its name to a growing number of universities rejecting lists that play one institution off against another...
sciencebusiness.net
October 19, 2025 at 5:50 AM
👉Also Sorbonne bsky.app/profile/sorb... pulled out of 'THE' University Ranking 👇
Important step in times of massive, systematic gaming by Universities, being a main incentive for Hyperprolific Publishing, Citation Cartels, Paper Mills & Junk Science!
#researchintegrity, #Chemsky, #CompChemSky
Important step in times of massive, systematic gaming by Universities, being a main incentive for Hyperprolific Publishing, Citation Cartels, Paper Mills & Junk Science!
#researchintegrity, #Chemsky, #CompChemSky
Annual 30h lecture on "Photophysics of Conjugated Organic Materials" @ Univ. Tübingen.
Once more, a great audience: thanks again for all your thoughtful questions!
#ChemSky, #CompChemSky
Once more, a great audience: thanks again for all your thoughtful questions!
#ChemSky, #CompChemSky
October 10, 2025 at 5:52 AM
Annual 30h lecture on "Photophysics of Conjugated Organic Materials" @ Univ. Tübingen.
Once more, a great audience: thanks again for all your thoughtful questions!
#ChemSky, #CompChemSky
Once more, a great audience: thanks again for all your thoughtful questions!
#ChemSky, #CompChemSky
👉Mapping Institutional Approaches to Research Assessment Reform: Insights from the CoARA Spanish National Chapter
zenodo.org/records/1701...
#researchintegrity
zenodo.org/records/1701...
#researchintegrity
Mapping Institutional Approaches to Research Assessment Reform: Insights from the CoARA Spanish National Chapter
This report presents the outcomes of Phase 1 of the Spanish National Chapter of the Coalition for Advancing Research Assessment (CoARA), coordinated by ANECA, CRUE, CSIC, and ISCIII. It maps emerging ...
zenodo.org
October 7, 2025 at 11:30 AM
👉Mapping Institutional Approaches to Research Assessment Reform: Insights from the CoARA Spanish National Chapter
zenodo.org/records/1701...
#researchintegrity
zenodo.org/records/1701...
#researchintegrity
Summary of a Discussion Panel on #researchintegrity with Lonni Besançon bsky.app/profile/lonn..., Eunsang Lee & Yukari Ito
at the 12th Heidelberg Laureate Forum👇
scilogs.spektrum.de/hlf/differen...
at the 12th Heidelberg Laureate Forum👇
scilogs.spektrum.de/hlf/differen...
Different Perspectives on Scientific Misconduct
For me, the most interesting takeaway from the panel discussion on scientific integrity at the 12th Heidelberg Laureate Forum was that scientific misconduct means rather different things from differen...
scilogs.spektrum.de
September 27, 2025 at 10:44 AM
Summary of a Discussion Panel on #researchintegrity with Lonni Besançon bsky.app/profile/lonn..., Eunsang Lee & Yukari Ito
at the 12th Heidelberg Laureate Forum👇
scilogs.spektrum.de/hlf/differen...
at the 12th Heidelberg Laureate Forum👇
scilogs.spektrum.de/hlf/differen...
September 27, 2025 at 6:32 AM
👉 3h Student course on #researchintegrity for the PhD students of the EU DN 'Eiffel' project eiffeldn.bsky.social in Mons, organized by David Beljonne.
Thanks again, David, for the kind invitation, and to all the students for your interest & thoughtful discussion!
#HorizonEurope
Thanks again, David, for the kind invitation, and to all the students for your interest & thoughtful discussion!
#HorizonEurope
September 17, 2025 at 6:13 AM
👉 3h Student course on #researchintegrity for the PhD students of the EU DN 'Eiffel' project eiffeldn.bsky.social in Mons, organized by David Beljonne.
Thanks again, David, for the kind invitation, and to all the students for your interest & thoughtful discussion!
#HorizonEurope
Thanks again, David, for the kind invitation, and to all the students for your interest & thoughtful discussion!
#HorizonEurope
👉 @ Yoann Olivier's group in Namur. Thank you again, Yoann, for the kind invitation to talk about 'Emission Color Pureness and Efficiency Regulation in Organic Chromophores' and the great time!
Yoann Olivier's research team
www.unamur.be
September 15, 2025 at 5:50 PM
👉 @ Yoann Olivier's group in Namur. Thank you again, Yoann, for the kind invitation to talk about 'Emission Color Pureness and Efficiency Regulation in Organic Chromophores' and the great time!
Leonardo Martins Carneiro scholar.google.com/citations?us... has joined the group for a 9-months PhD Internship from Univ. Federal de ABC, Brazil (supervisors Paula Homem de Mello & Fernando Bartoloni). Welcome, Leo!
September 7, 2025 at 6:44 AM
Leonardo Martins Carneiro scholar.google.com/citations?us... has joined the group for a 9-months PhD Internship from Univ. Federal de ABC, Brazil (supervisors Paula Homem de Mello & Fernando Bartoloni). Welcome, Leo!
2nd Sino-German Workshop on Advanced Nanoimaging and Nanofabrication & Special Session on Alfred Meixner's retirement, in Tübingen:
Thanks again, Dai Zhang & Team for the great event, and for the kind invitation!
Thank you Fredy, for the joint 15y journey & all the best for your active retirement!
Thanks again, Dai Zhang & Team for the great event, and for the kind invitation!
Thank you Fredy, for the joint 15y journey & all the best for your active retirement!
August 29, 2025 at 6:02 AM
2nd Sino-German Workshop on Advanced Nanoimaging and Nanofabrication & Special Session on Alfred Meixner's retirement, in Tübingen:
Thanks again, Dai Zhang & Team for the great event, and for the kind invitation!
Thank you Fredy, for the joint 15y journey & all the best for your active retirement!
Thanks again, Dai Zhang & Team for the great event, and for the kind invitation!
Thank you Fredy, for the joint 15y journey & all the best for your active retirement!
beyond "Tortured Phrases"😮:
👉"A comprehensive assessment of the types and additives in UV–Vis spectrophotometry was made possible by BANKRUPTCY. This INSOLVENCY is clarified in this chapter..." of a WILEY textbook 😢
pubpeer.com/publications...
#ChemSky, #PiSky, #CompChemSky #researchintegrity
👉"A comprehensive assessment of the types and additives in UV–Vis spectrophotometry was made possible by BANKRUPTCY. This INSOLVENCY is clarified in this chapter..." of a WILEY textbook 😢
pubpeer.com/publications...
#ChemSky, #PiSky, #CompChemSky #researchintegrity
PubPeer - UV–Visible Spectroscopy for Quantitative Analysis of Biomole...
There are comments on PubPeer for publication: UV–Visible Spectroscopy for Quantitative Analysis of Biomolecules (2028)
pubpeer.com
August 27, 2025 at 7:44 AM
beyond "Tortured Phrases"😮:
👉"A comprehensive assessment of the types and additives in UV–Vis spectrophotometry was made possible by BANKRUPTCY. This INSOLVENCY is clarified in this chapter..." of a WILEY textbook 😢
pubpeer.com/publications...
#ChemSky, #PiSky, #CompChemSky #researchintegrity
👉"A comprehensive assessment of the types and additives in UV–Vis spectrophotometry was made possible by BANKRUPTCY. This INSOLVENCY is clarified in this chapter..." of a WILEY textbook 😢
pubpeer.com/publications...
#ChemSky, #PiSky, #CompChemSky #researchintegrity
Interested in Modelling of Co-Pigmentation in Membranes? 👉Check out our new paper lead by Patrick Trouillas:
doi.org/10.1016/j.fo...
#CompChemSky
doi.org/10.1016/j.fo...
#CompChemSky
August 26, 2025 at 6:27 AM
Interested in Modelling of Co-Pigmentation in Membranes? 👉Check out our new paper lead by Patrick Trouillas:
doi.org/10.1016/j.fo...
#CompChemSky
doi.org/10.1016/j.fo...
#CompChemSky
I agree, probably "fascination peak is a "Tortured Phrase", but now look what Google's AI tells us about the use of this term👇 ...citing these junk science products as reference to claim that "fascination peak" is in fact a term in spectroscopy 😱
#ChemSky #PiSky #CompChemSky #researchintegrity
#ChemSky #PiSky #CompChemSky #researchintegrity
August 25, 2025 at 5:25 AM
I agree, probably "fascination peak is a "Tortured Phrase", but now look what Google's AI tells us about the use of this term👇 ...citing these junk science products as reference to claim that "fascination peak" is in fact a term in spectroscopy 😱
#ChemSky #PiSky #CompChemSky #researchintegrity
#ChemSky #PiSky #CompChemSky #researchintegrity
👉"fascination peak" of the "crucial state" in UV/Vis absorption spectra
has been flagged at pubpeer.com/publications...
#ChemSky, #PiSky, #CompChemSky
no serious peer review & editing at "Chemical Papers" (Springer Nature)
...zero interest in #researchintegrity
has been flagged at pubpeer.com/publications...
#ChemSky, #PiSky, #CompChemSky
no serious peer review & editing at "Chemical Papers" (Springer Nature)
...zero interest in #researchintegrity
August 24, 2025 at 5:10 PM
👉"fascination peak" of the "crucial state" in UV/Vis absorption spectra
has been flagged at pubpeer.com/publications...
#ChemSky, #PiSky, #CompChemSky
no serious peer review & editing at "Chemical Papers" (Springer Nature)
...zero interest in #researchintegrity
has been flagged at pubpeer.com/publications...
#ChemSky, #PiSky, #CompChemSky
no serious peer review & editing at "Chemical Papers" (Springer Nature)
...zero interest in #researchintegrity
...a further absurdity of that "IF list" 👇 at www.chemistryworld.com/news/what-ar...
For Clarivate et al, Physical Chemistry is evidently just a sub-field of Materials Science 😮
Also this happens if private companies define "Impact"...
#ChemSky #CompChemSky #researchintegrity
For Clarivate et al, Physical Chemistry is evidently just a sub-field of Materials Science 😮
Also this happens if private companies define "Impact"...
#ChemSky #CompChemSky #researchintegrity
What are the top journals in chemistry right now?
Following the recent release of journal impact factors, we round up the leading journals across 10 chemistry fields
www.chemistryworld.com
August 18, 2025 at 11:13 AM
...a further absurdity of that "IF list" 👇 at www.chemistryworld.com/news/what-ar...
For Clarivate et al, Physical Chemistry is evidently just a sub-field of Materials Science 😮
Also this happens if private companies define "Impact"...
#ChemSky #CompChemSky #researchintegrity
For Clarivate et al, Physical Chemistry is evidently just a sub-field of Materials Science 😮
Also this happens if private companies define "Impact"...
#ChemSky #CompChemSky #researchintegrity
👉Journal Impact Nonsense:
Here's the result of years of systematic JIF gaming by Publishers, Editors & Authors (...and Paper Mills & Citation Cartels) in #Chemsky, #CompChemSky
...proudly presented by www.chemistryworld.com/news/what-ar...
advocating for Quality vs. Quantity = #researchintegrity
Here's the result of years of systematic JIF gaming by Publishers, Editors & Authors (...and Paper Mills & Citation Cartels) in #Chemsky, #CompChemSky
...proudly presented by www.chemistryworld.com/news/what-ar...
advocating for Quality vs. Quantity = #researchintegrity
Journal Impact Nonsense
www.science.org
August 18, 2025 at 6:47 AM
👉Journal Impact Nonsense:
Here's the result of years of systematic JIF gaming by Publishers, Editors & Authors (...and Paper Mills & Citation Cartels) in #Chemsky, #CompChemSky
...proudly presented by www.chemistryworld.com/news/what-ar...
advocating for Quality vs. Quantity = #researchintegrity
Here's the result of years of systematic JIF gaming by Publishers, Editors & Authors (...and Paper Mills & Citation Cartels) in #Chemsky, #CompChemSky
...proudly presented by www.chemistryworld.com/news/what-ar...
advocating for Quality vs. Quantity = #researchintegrity
Most fraud = "Just" metric gaming, which "doesn’t get read, cited or used"? ...maybe in your field
Mater. Science is overwhelmed w. highly cited Junk!
GenAI already names 'Top Gamers' as 'Top Scientists'.
If we don't act, self-referencing AI will define junk as state-of-the-art
#researchintegrity
Mater. Science is overwhelmed w. highly cited Junk!
GenAI already names 'Top Gamers' as 'Top Scientists'.
If we don't act, self-referencing AI will define junk as state-of-the-art
#researchintegrity
I think this quote is both unsustainable and unsupported by the analysis in the piece. First and foremost, it portrays fraud as *consuming* science rather than merely growing alongside it. Much of the “fraud” in the paper is just metric gaming whackamole that doesn’t get read, cited or used.
“If these trends are not stopped, science is going to be destroyed." Here's my story on the accelerating growth of systemic research fraud--aka paper mills. Gift link: nyti.ms/45rDirw
August 13, 2025 at 8:02 AM
Most fraud = "Just" metric gaming, which "doesn’t get read, cited or used"? ...maybe in your field
Mater. Science is overwhelmed w. highly cited Junk!
GenAI already names 'Top Gamers' as 'Top Scientists'.
If we don't act, self-referencing AI will define junk as state-of-the-art
#researchintegrity
Mater. Science is overwhelmed w. highly cited Junk!
GenAI already names 'Top Gamers' as 'Top Scientists'.
If we don't act, self-referencing AI will define junk as state-of-the-art
#researchintegrity
Calculated UV/Vis absorption spectra of organic dyes with 👉 Negative Oscillator Strength 🤨
...published in J. Phys. Chem. C 😢
doi.org/10.1021/acs....
#researchintegrity #ChemSky #PiSky #CompChemSky
...published in J. Phys. Chem. C 😢
doi.org/10.1021/acs....
#researchintegrity #ChemSky #PiSky #CompChemSky
August 7, 2025 at 6:28 AM
Calculated UV/Vis absorption spectra of organic dyes with 👉 Negative Oscillator Strength 🤨
...published in J. Phys. Chem. C 😢
doi.org/10.1021/acs....
#researchintegrity #ChemSky #PiSky #CompChemSky
...published in J. Phys. Chem. C 😢
doi.org/10.1021/acs....
#researchintegrity #ChemSky #PiSky #CompChemSky