Alejandra Sierra Lopez
Professor
A.I. Virtanen Institute for Molecular Sciences, Faculty of Health Sciences
Research groups
Projects
Publications
75/75 items-
Frequency-dependence in multidimensional diffusion–relaxation correlation MRI of the brain: Overfitting or meaningful parameter?
Yon, Maxime; Narvaez, Omar; Martin, Jan; Jiang, Hong; Bernin, Diana; Forssell-Aronsson, Eva; Laun, Frederik; Sierra, Alejandra; Topgaard, Daniel, 2025, Imaging neuroscience, 3, 1-25. A1 Journal article (refereed), original research -
Frequency‐Dependent Diffusion–Relaxation Distribution MRI: Scan–Rescan Reproducibility Ex Vivo and Caveats
Or, Pak Shing Kenneth; Yon, Maxime; Narvaez, Omar; Manninen, Eppu; Malm, Tarja; Sierra, Alejandra; Topgaard, Daniel; Benjamini, Dan, 2025, Nmr in biomedicine, 39, 2, 1-16. A1 Journal article (refereed), original research -
Multimodal approach to characterize surgically removed epileptogenic zone from patients with focal drug‐resistant epilepsy: From operating room to wet lab
Kyyriäinen, Jenni; Della Pietra, Adriana; Torkamani‐Azar, Mastaneh; Gómez‐Budia, Mireia; Abushik, Polina; Novosolova, Nataliia; Eronen, Henri; Narvaez, Omar; Paasonen, Ekaterina; Lezhneva, Vera; Pelkonen, Anssi; Saveleva, Liudmila; Huotarinen, Antti; Belevich, Ilya; Jokitalo, Eija; Kuopio Epilepsy Center Epilepsy Surgery Group; Jutila, Leena; Rauramaa, Tuomas; Immonen, Arto; Leinonen, Ville; Tohka, Jussi; Gröhn, Olli; Kälviäinen, Reetta; Malm, Tarja; Sierra, Alejandra, 2025, Epilepsia open, [First published: 05 December 2025], 1-16. A1 Journal article (refereed), original research -
Optimising sample preparation to enhance contrast-to-noise ratio in X-ray phase contrast tomography white matter (WM) imaging of the central nervous system
Fratini, Michela; Massimi, Lorenzo; Brun, Francesco; Batey, Darren; Bukreeva, Inna; Mittone, Alberto; Bravin, Alberto; Longo, Elena; Tromba, Giuliana; Giove, Federico; Cipiccia, Silvia; Sierra, Alejandra, 2025, Frontiers in physics, 13, 1479573. B1 Non-refereed journal articles -
Scattering approach to diffusion quantifies axonal damage in brain injury
Abdollahzadeh, Ali; Coronado-Leija, Ricardo; Lee, Hong-Hsi; Sierra, Alejandra; Fieremans, Els; Novikov, Dmitry S, 2025, Nature communications, 16, 1, 9808. A1 Journal article (refereed), original research -
Segment Anything for Dendrites from Electron Microscopy
Zhuo, Zewen; Belevich, Ilya; Leinonen, Ville; Jokitalo, Eija; Malm, Tarja; Sierra, Alejandra; Tohka, Jussi, 2025, The Sixth IEEE International Image Processing, Applications and Systems Conference (IPAS'6) - Conference Proceedings, 1-6. A4 Conference proceedings -
Traffic-related diesel pollution particles impair the lysosomal functions of human iPSC-derived microglia
Ohtonen, Sohvi; Jäntti, Henna; Giudice, Luca; Mohamed, Ahmed; Shakirzyanova, Anastasia; Závodná, Táňa; Belevich, Ilya; Yan, Hong; Sabogal-Guáqueta, Angélica María; Saveleva, Liudmila; Väänänen, Mari-Anna; Rillo-Albert, Ashley; Perciballi, Elisa; Ferrari, Daniela; Tervo, Minna-Mari; Gómez-Budia, Mireia; Krejčík, Zdeněk; Aakko-Saksa, Päivi; Koistinaho, Jari; Lehtonen, Šárka; Kanninen, Katja M.; Topinka, Jan; Jokitalo, Eija; Sierra, Alejandra; Schmidt, Martina; Dolga, Amalia M.; Jalava, Pasi I.; Ko, 2025, Environment international, 199, 109467. A1 Journal article (refereed), original research -
Diffusion of brain metabolites highlights altered brain microstructure in type C hepatic encephalopathy: a 9.4 T preliminary study
Mosso, Jessie; Briand, Guillaume; Pierzchala, Katarzyna; Simicic, Dunja; Sierra, Alejandra; Abdollahzadeh, Ali; Jelescu, Ileana O; Cudalbu, Cristina, 2024, Frontiers in neuroscience, 18, 1344076. A1 Journal article (refereed), original research -
In vivo rat brain mapping of multiple gray matter water populations using nonparametric D(ω)‐R1‐R2 distributions MRI
Yon, Maxime; Narvaez, Omar; Topgaard, Daniel; Sierra, Alejandra, 2024, Nmr in biomedicine, 38, 1, e5286. A1 Journal article (refereed), original research -
No-Clean-Reference Image Super-Resolution: Application to Electron Microscopy
Khateri, Mohammad; Ghahremani, Morteza; Sierra, Alejandra; Tohka, Jussi, 2024, IEEE Transactions on computational imaging, 10, 1094-1110. A1 Journal article (refereed), original research