Guilherme Caleffi @caleffi_gui
Visiting Professor at @ufrj • organic chemist • he/him instagram.com/guilhermecalef… Rio de Janeiro, Brasil Joined January 2021-
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#ChemMedChem Intracellular and Extracellular Efficacy of Homoisoflavone Derivatives Against Mycobacterium Tuberculosis: Progress Toward Novel Antitubercular Agents (Guilherme S. Caleffi and co-workers) #openaccess 🔓 onlinelibrary.wiley.com/doi/10.1002/cm…
Diversity-Generating Skeletal Editing Transformations. pubs.acs.org/doi/abs/10.102…
🚨🎉 Excited to share our review article, "Alkaloids from Waltheria spp. (Malvaceae): Chemosystematic Aspects, Biosynthesis, Total Synthesis, and Biological Activities," just published in the International Journal of Molecular Sciences! 🌿 🔗 mdpi.com/3097858
Seleções de Mestrado e Doutorado 2025/1 📅Inscrições de 20/12/24 a 14/03/25 Edital Mestrado 2025/1 🔗ippn.ufrj.br/wp-content/upl… Edital Doutorado 2025/1 🔗ippn.ufrj.br/wp-content/upl…
Watch the lecture by Janine Cossy (ESPCI Paris, France) entitled “Natural Products: Opportunities to Develop Efficient Synthetic Methods” which was given at the 2023 National Organic Chemistry Symposium (NOS) zurl.co/GzuSJ
Meus amados paulistanos, com todo respeito: é tão mais fácil vir para o Rio. Vocês serão mais felizes aqui e nós amamos vocês! Só chegar!
Our new study shows that SARS-CoV-2 spike protein accumulates & persists in the body for years after infection, especially in the skull-meninges-brain axis, potentially driving long COVID. mRNA vaccines help but cannot stop it🔬🧠🦠🧵👇@cellhostmicrobe cell.com/cell-host-micr…
My two moods when writing:
Recent advances in phosphine-mediated sequential annulations
Recent advances in phosphine-mediated sequential annulations doi.org/10.1016/j.ccle…
O brasileiro foi o único cientista a identificar uma doença (a doença de Chagas) em seus diversos estágios, incluindo seu agente causador, os sintomas e a forma de transmissão: bbc.in/3UI56D4
Don't miss the latest research on Biologically Active #NaturalProducts! Read here ➡ go.acs.org/brN
Kinetic Resolution of Racemic 4-Substituted Chroman-2-ones Through Asymmetric Lactone Hydrogenation chinesechemsoc.org/doi/10.31635/c… #chemistry #openaccess #science #chemtwitter
Deus e o diabo na universidade: nos anos 1930, as raízes da cruzada da extrema direita pelo controle ideológico do ensino. Leia no artigo de André Jobim Martins: piaui.co/4eV7Rt5
We proudly introduce a novel and modular approach to a very important type of alkaloids. Fantastic work of @ArelyGC3 and @JulioRoIba. Synthetic Approach to Chromone and Flavonoid Piperidine Alkaloids | The Journal of Organic Chemistry pubs.acs.org/doi/10.1021/ac…
Chinese Chemical Lett... @ChinChemLett
13K Followers 10K Following A leading chemistry journal by @ChineseChemSoc covering the whole field of chemistry. IF = 9.5 (2025). Tweets by @Zhichang_Liu on behalf of the editorial office
Florent LOUIS, FRSC @FlorentLouis59
4K Followers 3K Following Associate Professor @univ_lille #atmoschem #compchem #contaminants. Organizer #LatinXChemEnv. 324 ppm CO2. Gold medal Comenius. Fellow RSC. Tweets are my own.
Oriol Planas @uri_planas
2K Followers 2K Following Assistant Professor at @impchemistry playing with MG and TM catalysis
Andryj Borys @AndryjBorys
11K Followers 2K Following Books Commissioning Editor @RoySocChem | Main-Group/Organometallic Chemist and Schlenk Line Enthusiast | #CASFutureLeaders '23
IPPN_UFRJ @IPPN_UFRJ
402 Followers 313 Following Perfil oficial do Instituto de Pesquisas de Produtos Naturais Walter Mors da @ufrj Walter Mors Institute of Natural Products Research
Leticia Madureira @LetciaMariaPeq1
3K Followers 4K Following PhD candidate and TA at @CmuScience. Computational Quantum Chemist. Julia/Rust developer in Scientific Computing tools. 🤓 💻🧪⚛️✝️🙋🏻♀️
Paulina Gwardys @PaulinaGwardys
1K Followers 858 Following PhD Student at the University of Warsaw 🧪✨/ Inorganic and Analitical Chemistry 👩🏻🔬 Electroactive hydrogels ⚡️🧽
Gustavo Mondragón @GustavMondragon
1K Followers 1K Following 🇲🇽 | Postdoc @Northeastern | PhD from @UNAM_MX | #compchem @LatinXChem former member | Lindau alumnus #LINO22 | @RoySocChem Associate Member
Nature Synthesis @NatureSynthesis
21K Followers 10K Following A synthesis-oriented chemistry & materials science journal from @SpringerNature. Tweets by the editors @PSeavill @DrARGroves @drtwest & @jetsinglee
Hassan Khartabil @khartab
3K Followers 6K Following Theoretical & computational chemist #compchem #HPC #Recherche #EnseignementSup #ESR #Université #CharlevilleMézières #Ardennes **Perso acc**RTs not endorsements
Felipe Fantuzzi @felipefantuzzi
1K Followers 1K Following Lecturer in Chemistry (Computational/Theoretical) @UniKent • #CompChem • #Boron • #Astrochem • #SDGs • #Humboldtian • From Rio de Janeiro 🇧🇷 🇨🇴 🇩🇪 🇬🇧
Ariane Nunes Alves @anunesalves
5K Followers 3K Following Computational Biochemist | Lead Researcher @CNPEM | Associate Editor @jcim_jctc | 🇧🇷 #CompChem (ligand binding kinetics, crowding)
Thomas Hansen @THansenChem
1K Followers 526 Following Assistant Professor 🧑🔬 at @RuijterLab 🇳🇱 Decoding Organic Chemistry! I 💙 Hiking 🏕 • Dinosaurs 🦕 • Food & Drinks 🧀🍷 • Plants🪴 • More info ➡️ https://t.co/4NZgwXlh5F
Vicente Martí Centel... @vtemarticent
3K Followers 3K Following Professor PPL in #MolecularCages & #SupramolecularChemistry #PlaGenT @IDM_UPV_UV @UPV https://t.co/yrZ4KhFTQA 👨🏻🔬 ⚗️🧪
Ana Cristina Garcia-A... @AnaCristinaGAlz
2K Followers 2K Following Postdoc at @calpolypomona PhD from @BioInorgani @UNAM_MX #CASFutureLeaders23'
Alex Speed @awhspeed
10K Followers 4K Following No longer active on here, but camping out to avoid my handle being taken over. Find me on the other place!
Craig *not Creg* Fras... @ChemistCraig
7K Followers 4K Following From Livingston to Birmingham, via Singapore and Evanston, USA. 🧑🏻🔬
⌬Gabriel Navarrete�... @gabrielnavarret
2K Followers 3K Following Farmacéutico, Medicinal Chemistry PhD Química Farmacéutica: Diseño, síntesis y evaluación in silico de moléculas bioactivas. SNII-III Farmacia-UAEM
Aposta Ganhar @GolosEscanteios
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Mario A. Ávila Gtz. ... @Avilagutier88
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Rodrigo Cunha @Cianurico
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Raju Sen @chemRaju
146 Followers 1K Following Ph.D. Scholar at IIT Delhi🇮🇳 #Total Synthesis#Organic Chemist
Marcos Palmeira @palmeiramarcoss
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Sheatought @SheatoughtJTs
35 Followers 2K Following
Green Catalysis Lab @GreenCatLab
311 Followers 500 Following Research group 🧑🏻🔬👩🏻🔬🧑🏻🔬 at @UCM_OrgChem ⚗️ focused in the development of more sustainable catalytic methodologies ♻️ PI @scscembellin 🧪
Adrian Bonilla-Petric... @ABPetriciolet
652 Followers 2K Following Profesor Investigador del Instituto Tecnológico de Aguascalientes, México
Edivaldo Rodrigues @eRodrigues314
2 Followers 15 Following
Gabrijel Zubčić @ZubcicGabrijel
6 Followers 60 Following Phd student in computational chemistry at Faculty of Pharmacy and Biochemistry @SveucilisteZG | supervisor @dsakic
Shurqua @ShurquaCA_
33 Followers 741 Following
maria @maria4400691779
14 Followers 301 Following
Sisle @Sisleo_PgpbR
121 Followers 3K Following
Átomo instável @RonnySanto40102
1 Followers 76 Following 🧪 Química - UESB/ IC ⚡ em Eletro-analítica e Química Ambiental 🌾 Fã de JRPG de turno, fanático de final Fantasy 🗡️
Honggen Wang @Honggen_W
738 Followers 1K Following Professor of synthetic organic chemistry at Sun Yat-Sen University, China
@gvjosea @gvjosea
8 Followers 6K Following
MDPI Korea @mdpikorea
330 Followers 2K Following The South Korean office of @MDPIOpenAccess, a pioneer in scholarly, #openaccess publishing since 1996. 1996년부터 #오픈액세스 학술지를 출판해 온 글로벌 출판사 MDPI의 한국법인입니다.
Chinmoy K. Hazra @ChinmoyKHazra1
5K Followers 6K Following Associate Professor of Chemistry Department, Indian Institute of technology Delhi. I am involved in the making of new molecules.
Beilstein-Institut @b... @BeilsteinInst
4K Followers 4K Following Non-profit foundation for the promotion of the chemical sciences. Publisher of Beilstein Journal of Organic Chemistry and Beilstein Journal of Nanotechnology
Victor Victory @PBensalah
2K Followers 7K Following Love chemical sciences especially applications of electrochemistry in energy and environment.
Yeljair Enrique @enri_chem_
158 Followers 343 Following #CompChem #Astrochemistry PhD in Chemistry UNLP 🇦🇷 Chemist 🇻🇪
Vishal Kumar @VishalKuma01_
11 Followers 707 Following PA-I @CSIR-NCL || https://t.co/ki9LCKME8W chemistry @IIT Roorkee (2024)
Gabriel Ramos @brazorgchemist
1 Followers 58 Following - PhD student in organic chemistry - Total synthesis of natural products applying green strategies - Medicinal Chemistry
Gá! @soliotariando
231 Followers 501 Following As vezes pra subir um degrau a gente tem que pisar em alguém - Marquinho
Vasile-Adrian Surdu @AdrianSurdu4
131 Followers 973 Following Associate Professor at Transilvania University of Brasov #education #research #materials science #ceramics #nanomaterials
Rajan Kumar Kharwar @rajanKumarkhar8
626 Followers 6K Following PhD Candidate @GroupMarek | Schulich Faculty of Chemistry | Technion
Computational Catalys... @CenterCatalysis
2K Followers 4K Following Founder: Dr. Puneet Gupta (Associate Professor, Chemistry Department , IIT Roorkee)
Zaccheus Shehu @zaccheus_s99223
294 Followers 7K Following PhD candidate on removal Pharmaceuticals from water using magnetic nanocomposites.
mikael_com_k @mikael_com_k
46 Followers 1K Following
Alexander D. Deyá @DeyaDuenas
199 Followers 623 Following Loving Medicinal Chemistry. PhD candidate at @iquimicaunam 🇨🇺 🇲🇽
EdnaMistérica @teytaez10295
1 Followers 144 Following Explore o mercado digital comigo e descubra seu potencial lucrativo. Transforme seu futuro financeiro com sucesso e realização pessoal! 💼📈
MYar @MYar52731134
420 Followers 2K Following Assistant Professor Cholistant University Bahawalpur (Pakistan), Computational chemist, DFT, Catalysis, Sensor, Energy storage devices
Sourasish Das @SourasishDas23
56 Followers 596 Following
McSmidea @MSmidea80719
28 Followers 2K Following
Lives in Chemistry @livesinchem
3K Followers 3K Following • pays tribute to outstanding scientists, • describes their route to success, • is an inspiration for the future.
Antony Wozniak @AntonyWozniak
81 Followers 391 Following
Bull. Chem. React. En... @bcrec_j
1K Followers 7K Following Bull. Chem. React. Eng. Catal. is a journal on the science of catalysis, reaction kinetics, & chemical reaction engineering (JIF=1.3; SJR=0.313; CiteScore=3.2)
Machine Learning: Sci... @MLSTjournal
9K Followers 10K Following A multidisciplinary, #openaccess journal devoted to the application and development of #machinelearning for the sciences. Published by @IOPPublishing.
lyznn0090 @Celibacy41
3 Followers 494 Following
Juan José Villaverde @JuanJVillaverde
1K Followers 1K Following Father, husband, son. Tenured scientist @CSIC. Polluted/burned #soil. #Agriculture. #Biorefinery assisted soil management. #Residues. #EcoEfficiency
Sofia Kiriakidi @sofiak1r
1K Followers 2K Following Computational Chemist 👩💻 Catalysis, DFT, MD | @MSCActions Fellow at @NovaMechanics 🇨🇾 https://t.co/Z6FdSr6wjH #compchem
Saül Garcia-Orrit @OrritSaul
227 Followers 379 Following Postdoctoral researcher at ICFO. Working in Ultrafast Spectroscopy and trying to understand plant biophysics at the nanoscale 🍊🌿🦠🕵🏻
Mohammad EL MOURABIT @MohammadEL99510
53 Followers 459 Following
LatinXChem @LatinXChem
15K Followers 3K Following A forum for Latin American chemistry community. Fórum da comunidade Latin Americana de química. Un foro para la Comunidad Química Latinoamericana.
J Org Chem/Org Lett @JOC_OL
55K Followers 525 Following JOC and OL serve as the leading international forums for communicating important research in all branches of the theory and practice of organic chemistry.
Chinese Chemical Lett... @ChinChemLett
13K Followers 10K Following A leading chemistry journal by @ChineseChemSoc covering the whole field of chemistry. IF = 9.5 (2025). Tweets by @Zhichang_Liu on behalf of the editorial office
Florent LOUIS, FRSC @FlorentLouis59
4K Followers 3K Following Associate Professor @univ_lille #atmoschem #compchem #contaminants. Organizer #LatinXChemEnv. 324 ppm CO2. Gold medal Comenius. Fellow RSC. Tweets are my own.
Oriol Planas @uri_planas
2K Followers 2K Following Assistant Professor at @impchemistry playing with MG and TM catalysis
Andryj Borys @AndryjBorys
11K Followers 2K Following Books Commissioning Editor @RoySocChem | Main-Group/Organometallic Chemist and Schlenk Line Enthusiast | #CASFutureLeaders '23
IPPN_UFRJ @IPPN_UFRJ
402 Followers 313 Following Perfil oficial do Instituto de Pesquisas de Produtos Naturais Walter Mors da @ufrj Walter Mors Institute of Natural Products Research
Leticia Madureira @LetciaMariaPeq1
3K Followers 4K Following PhD candidate and TA at @CmuScience. Computational Quantum Chemist. Julia/Rust developer in Scientific Computing tools. 🤓 💻🧪⚛️✝️🙋🏻♀️
Paulina Gwardys @PaulinaGwardys
1K Followers 858 Following PhD Student at the University of Warsaw 🧪✨/ Inorganic and Analitical Chemistry 👩🏻🔬 Electroactive hydrogels ⚡️🧽
Debabrata Maiti @maiti_iitb
9K Followers 499 Following @iitbombay Chemistry, proud member of @dm_lab. Working to grow scientists and leaders.
Elva Hu @elvahupin
5K Followers 8K Following Tweets for #ChineseJournalOfChemistry, a flagship journal of @ChineseChemSoc published by @Wiley_Chemistry, on behalf of the editorial office
Gustavo Mondragón @GustavMondragon
1K Followers 1K Following 🇲🇽 | Postdoc @Northeastern | PhD from @UNAM_MX | #compchem @LatinXChem former member | Lindau alumnus #LINO22 | @RoySocChem Associate Member
Nature Synthesis @NatureSynthesis
21K Followers 10K Following A synthesis-oriented chemistry & materials science journal from @SpringerNature. Tweets by the editors @PSeavill @DrARGroves @drtwest & @jetsinglee
Felipe Fantuzzi @felipefantuzzi
1K Followers 1K Following Lecturer in Chemistry (Computational/Theoretical) @UniKent • #CompChem • #Boron • #Astrochem • #SDGs • #Humboldtian • From Rio de Janeiro 🇧🇷 🇨🇴 🇩🇪 🇬🇧
Ariane Nunes Alves @anunesalves
5K Followers 3K Following Computational Biochemist | Lead Researcher @CNPEM | Associate Editor @jcim_jctc | 🇧🇷 #CompChem (ligand binding kinetics, crowding)
Thomas Hansen @THansenChem
1K Followers 526 Following Assistant Professor 🧑🔬 at @RuijterLab 🇳🇱 Decoding Organic Chemistry! I 💙 Hiking 🏕 • Dinosaurs 🦕 • Food & Drinks 🧀🍷 • Plants🪴 • More info ➡️ https://t.co/4NZgwXlh5F
Vicente Martí Centel... @vtemarticent
3K Followers 3K Following Professor PPL in #MolecularCages & #SupramolecularChemistry #PlaGenT @IDM_UPV_UV @UPV https://t.co/yrZ4KhFTQA 👨🏻🔬 ⚗️🧪
Ana Cristina Garcia-A... @AnaCristinaGAlz
2K Followers 2K Following Postdoc at @calpolypomona PhD from @BioInorgani @UNAM_MX #CASFutureLeaders23'
Chemistry Europe @ChemEurope
18K Followers 2K Following Chemistry Europe is an association of 16 chemical societies from 15 European countries. We publish a family of high-quality scholarly chemistry journals.
Chris Hedges @ChrisLynnHedges
294K Followers 419 Following Pulitzer-prize winning journalist, best-selling author & activist. https://t.co/KF7i94B3sp
Scholarship for PhD @ScholarshipfPhd
295K Followers 33 Following PhD, Postdoc & Fellowship scholarships, research tips & more 📚 Stay updated & subscribe for exclusive premium content Promotion: [email protected]
Ezra Klein @ezraklein
2.5M Followers 1K Following Columnist, @NYTOpinion Author, "Why We're Polarized" Host of "The Ezra Klein Show" podcast
Edivaldo Rodrigues @eRodrigues314
2 Followers 15 Following
David Monge Fernánde... @dmonge_fer
12 Followers 23 Following
Beilstein-Institut @b... @BeilsteinInst
4K Followers 4K Following Non-profit foundation for the promotion of the chemical sciences. Publisher of Beilstein Journal of Organic Chemistry and Beilstein Journal of Nanotechnology
Martín Fañanás-Mas... @mfananasmastral
2K Followers 461 Following Oportunius Research Professor. Group leader at @ciqususc
Molecules MDPI @Molecules_MDPI
8K Followers 3K Following Molecules (ISSN 1420-3049, IF 5.1, CS 10.3) is an international, #openaccess journal, covering all aspects of #chemistry, published semi-monthly online by MDPI
Gá! @soliotariando
231 Followers 501 Following As vezes pra subir um degrau a gente tem que pisar em alguém - Marquinho
ACS Publications Bio ... @ACSBioMed
16K Followers 393 Following Journal articles, eBooks, news, events, and other information about biological and medicinal chemistry from @ACSPublications, a division of @AmerChemSociety
Nat. Prod. Reports @NatProdReports
3K Followers 771 Following This account has been archived. Stay connected with us on https://t.co/jbOqX1hd5u, Bluesky and LinkedIn.
OBC @OrgBiomolChem
9K Followers 700 Following This account has been archived. Stay connected with us on https://t.co/JXp8owStcT, Bluesky and LinkedIn.
CINEMA 505 @CINEMA505
479K Followers 286 Following O melhor conteúdo sobre cinema e séries.| 📩: [email protected]
mikael_com_k @mikael_com_k
46 Followers 1K Following
Festival do Rio @festivaldorio
10K Followers 138 Following Rio de Janeiro Int'l Film Festival 1 a 11 de outubro 2026 | 1st to 11th October 2026
Antony Wozniak @AntonyWozniak
81 Followers 391 Following
Agência FAPESP @AgenciaFAPESP
80K Followers 991 Following Perfil oficial da agência de notícias da Fundação de Amparo à Pesquisa do Estado de São Paulo - FAPESP
Cine Antiqua - filmes... @CineAntiqua
23K Followers 58 Following A casa do cinema clássico! Desde 2017 promovendo a difusão dos clássicos do cinema. Democratização da cultura. Acesso livre e facilitado à arte cinematográfica.
Fernández-Lassaletta... @LassaFdezGroup
906 Followers 244 Following We are an organic chemistry group based in Seville (@unisevilla and @CicCartuja) interested in asymmetric catalysis.
Juan José Villaverde @JuanJVillaverde
1K Followers 1K Following Father, husband, son. Tenured scientist @CSIC. Polluted/burned #soil. #Agriculture. #Biorefinery assisted soil management. #Residues. #EcoEfficiency
Sofia Kiriakidi @sofiak1r
1K Followers 2K Following Computational Chemist 👩💻 Catalysis, DFT, MD | @MSCActions Fellow at @NovaMechanics 🇨🇾 https://t.co/Z6FdSr6wjH #compchem
Saül Garcia-Orrit @OrritSaul
227 Followers 379 Following Postdoctoral researcher at ICFO. Working in Ultrafast Spectroscopy and trying to understand plant biophysics at the nanoscale 🍊🌿🦠🕵🏻
NMR Challenge @NMR_Challenge
1K Followers 27 Following NMR spectroscopy educative webpage. Follow for amazing tips!
War Damn Eigenfunctio... @lil_kimist
754 Followers 960 Following Laser Jockey. Ytterbium is my second favorite element. Give me a laser table and I'll make some magic happen 🔦 (he/him) Tweets not endorsed by the Fed.
(اقبال جامی)... @IqbalJammi
634 Followers 2K Following PhD @AkRoesky (KIT Germany🇩🇪)🎓 https://t.co/lCkS7JB55k @IIT Kanpur🎓
Laura English @Lauraee_95
162 Followers 277 Following Post doctoral researcher at the University of Birmingham
Matt Carson, PhD @mccarson23
399 Followers 662 Following Organic Chem PhD @KozlowskiMarisa | @CMU_Chem ‘21 | Total synth and💡methods
ACALconecta @ACALconecta
974 Followers 3K Following Consigue a más de 218 mil investigadores de Latinoamérica y el Caribe y los eventos científicos de la región, todo en un solo lugar 🎯
Md. Imrul Khalid @ImrulTusher
224 Followers 1K Following Postdoctoral Scholar at OIST, Okinawa, Japan. #Materialscience #Nanographene #Electro-organic synthesis #Organic chemistry # views my own. Proud to be 🇧🇩
Shubhangi Aggarwal @Shubha_ggarwal
248 Followers 593 Following Process Chemist under development @ Bristol Myers Squibb
Vishal Rawat @VishalKRawat
1K Followers 3K Following Research Associate @RWTH ; 🎓 @IITHyderabad @HokkaidoUni
Jan K. Zaręba @Jan_K_Zareba
2K Followers 4K Following Assist. Prof. at @PWr_Wroclaw. Explores nonlinear optics of #MOFs, coordination polymers & #perovskites | NLO #switching
LPQBio_IPPN_UFRJ @LPQBio_IPPN
2 Followers 40 Following
Dominik Kubicki @DominikJKubicki
2K Followers 3K Following Associate Professor @UoBChemistry. Materials innovation. Formerly @DeptofPhysics, @ChemCambridge and @WarwickPhysics. PhD @epfl. @Mariecurie_alum 🇪🇺.
Marcel Vieira-Lara @mvieiralara
104 Followers 213 Following Assistant Professor @TUDelft @IMB_TUDelft
Nacho Insua @InsuaNacho
1K Followers 2K Following Oportunius Research Professor at @CiQUSusc Supramolecular peptide nanomaterials
Dr. T Thirupathi Redd... @T_Thirupathi_R
50 Followers 204 Following Postdoctoral Fellow at Rice University
Zainab AlGhamdi ⌬ @ZSG007
246 Followers 382 Following Inventor, Assistant Professor @IAU_KSA, Chemist 👩🏻🔬MSc @_KSU, PhD @EdinburghUni 🇸🇦🏴🇬🇧






























