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Articles by de Graaff
Astrophysics > Astrophysics of Galaxies
arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs.
Astrophysics > Astrophysics of Galaxies
arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs.
Astrophysics > Astrophysics of Galaxies
The James Webb Space Telescope (JWST) has uncovered a previously unexplored population of faint active galactic nuclei (AGNs) in the early Universe. We present MoM-BL-z10 at $z=9.9837\pm0.0009$, identified through a systematic search for broad-line AGNs at $z\geq6$ using public JWST/NIRSpec PRISM spectra from the DAWN JWST Archive.
Astrophysics > Instrumentation and Methods for Astrophysics
The discovery of massive quiescent galaxies at high redshift by JWST has revealed that star formation can cease rapidly in the early Universe, yet the physical mechanisms responsible for quenching remain unknown. A key missing element is the systematic measurement in statistically representative quiescent samples of the cold gas and dust content, which are crucial for distinguishing quenching mechanisms and evolutionary pathways.
Astrophysics > Astrophysics of Galaxies
arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs.
Astrophysics > Astrophysics of Galaxies
arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs.
Astrophysics > Astrophysics of Galaxies
We present new evidence for an optically thick atmosphere surrounding Little Red Dots (LRDs) in the form of Ca absorption at rest-frame 8500A, the calcium triplet (CaT). Building on the detection of CaT absorption in one local LRD analog (the "Egg", Lin et. al.
Astrophysics > Astrophysics of Galaxies
Balmer absorption is common among little red dots (LRDs), but absorbers at or redward of systemic are rare, occurring in only $\sim10-15$\% of H$α$ absorbers.
Astrophysics > Astrophysics of Galaxies
[Submitted on 11 Sep 2026 ( v1 ), last revised 25 Sep 2026 (this version, v2)] Title:Chemo-dynamical Analysis of a CNO-Enhanced Ultra Metal-poor Star ($\rm[Fe/H] < -4$): Insights into Early Enrichment by Faint Population III Supernova Authors:Guilherme Limberg , Vinicius M. Placco , Alexander P. Ji , Yupeng Yao , Friedrich Anders , Wendy Q. Sun , Anna de Graaff , Rohan P. Naidu , Harley Katz , Pierre N. Thibodeaux , Anirudh Chiti , Mohammad K.
Astrophysics > Astrophysics of Galaxies
arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs.
A self-guided digital mental health intervention for Syrian refugees in Germany and Sweden: effects from two pragmatic randomized controlled trials
Ethics approval and consent to participate This study was conducted according to the principles of the Declaration of Helsinki [59]. Ethical approval for the study protocol was given by the Freie Universität Berlin Ethical Review Board (161/2017) for the trial in Germany and by the Swedish Ethical Review Authority (2020 − 00261) for the trial in Sweden. Both studies were also reviewed and approved by the WHO Research Ethics Review Committee (ERC.0003321).
Astrophysics > Astrophysics of Galaxies
[Submitted on 28 May 2026 (v1), last revised 21 Sep 2026 (this version, v3)] View PDF HTML (experimental) Comments: Subjects: Astrophysics of Galaxies (astro-ph.GA) Cite as: arXiv:2605.30410 [astro-ph.GA] (or arXiv:2605.30410v3 [astro-ph.GA] for this version) https://doi.org/10.48550/arXiv.2605.30410
Landscape effects on global soil pathogenic fungal diversity across spatial scales
Lu, Y., Eisenhauer, N., Patoine, G., Chen, Y., Heintz-Buschart, A., Küsel, K., Wegner, C.-E., Buscot, F., Liu, X., Araujo, A. S. F., Frey, B., Maestre, F. T., Vadeboncoeur, M., van den Brink, L., Ponette, Q., Didion, M., Wohlfahrt, G., Gaxiola, A., Branquinho, C., Meesenburg, H., Fukuzawa, K., Adair, E. C., Andrić, A., Barna, M., Bei, Q., Bruelheide, H., Caliman, A., Canessa, R., Carbognani, M., Cazzolla Gatti, R., Chen, C. L., Christiansen, C. T., Danger, M., Davydov, E.
A Cosmic Miracle: A Remarkably Luminous Galaxy at $z_{\rm{spec}}=14.44$ Confirmed with JWST
arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs.
JWST/NIRSpec WIDE survey: a z=4.6 low-mass star-forming galaxy hosting a jet-driven shock with low ionisation and solar metallicity
We present NIRSpec/MSA observations from the JWST large-area survey WIDE, targeting the rest-frame UV–optical spectrum of Ulema, a radio-AGN host at redshift z = 4.6348. The low-resolution prism spectrum displays high equivalent width nebular emission, with remarkably high ratios of low-ionisation species of oxygen, nitrogen and sulphur, relative to hydrogen; auroral O+ emission is clearly detected, possibly also C+.
Neurodevelopmental outcomes after multiple general anaesthetic exposure before five years of age - a cohort study
Xin, A., Grobler, A., Bell, G., de Graaff, J. C., Dorris, L. , Disma, N., McCann, M. E., Withington, D. E. and Davidson, A. J. (2024) Neurodevelopmental outcomes after multiple general anaesthetic exposure before five years of age - a cohort study. Anesthesiology, (doi: 10.1097/ALN.0000000000005293) (PMID:39527639) (Early Online Publication) Text 342312.pdf - Accepted Version Restricted to Repository staff only until 11 November 2025.
A core in a star-forming disc as evidence of inside-out growth in the early Universe - Nature Astronomy
Abstract The physical processes that establish the morphological evolution and the structural diversity of galaxies are key unknowns in extragalactic astrophysics. Here we report the finding of the morphologically mature galaxy JADES-GS+53.18343−27.79097, which existed within the first 700 million years of the Universe’s history.
Assessing quality of hepato-pancreato-biliary surgery: nationwide benchmarking
Clinical auditing is a powerful tool to evaluate and improve healthcare.1,2 Data are collected to measure structure, processes, and care outcomes using surgical quality indicators (QIs). Deviations from the expected quality of care are identified by benchmarking the results of individual hospitals using national averages. Transparency and accountability within healthcare is increasingly demanded. Obligatory and online accessible hospital data on quality measures reflect this3.
Neurodevelopmental Outcomes after Multiple General... : Anesthesiology
Critical Care Medicine: Clinical Science Anesthesiology | DOI: 10.1097/ALN.0000000000005293 Editor’s Perspective Multiple studies have suggested that general anesthesia and surgery in infancy may be associated with worse neurocognitive outcomes at 2 and 5 yr of age The prospective, randomized study of general anesthesia or awake-regional anesthesia in infancy found that infants who were exposed to a single general anesthetic for elective inguinal hernia repair had similar neurocognitive...
Wind turbine dynamic shading: The effects on combined solar and wind farms
Topics Electricity generation, Photovoltaics, Electrical grid, Energy system, Solar panels, Maximum power point tracking, Wind turbines, Solar wind, Shadow casting In the different energy scenarios, a large role is foreseen for deployment of large-scale solar and wind energy on land and water.
Travels with tau prions
My study of the tau protein originated with larger questions about tauopathies that nagged me as a neurology resident. These neurodegenerative diseases are caused by accumulation of highly ordered, yet uniquely structured intracellular tau assemblies (Lee et al., 2001). I wondered why these disorders are relentlessly progressive and exhibit such remarkable phenotypic variability.
Assessing health state utilities for people with myalgic encephalomyelitis/chronic fatigue syndrome in Australia using the EQ-5D-5L, AQoL-8D and EQ-5D-5L-psychosocial instruments (pdf) | Paperity
Quality of Life Research, Aug 2023 Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a chronic condition with a constellation of symptoms presenting as severe and profound fatigue of ≥ 6 months not relieved by rest. ME/CFS affects health-related quality of life (HRQoL), which can be measured using multi-attribute health state utility (HSU) instruments.
Understanding the impact of tuberous sclerosis complex: development and validation of the TSC-PROM
BMC Medicine, Aug 2023 Tuberous sclerosis complex (TSC) is a rare and complex genetic disorder, associated with tumor growth in various organ systems, epilepsy, and a range of neuropsychiatric manifestations including intellectual disability. With improving patient-centered care and targeted therapies, patient-reported outcome measures (PROMs) are needed to measure the impact of TSC manifestations on daily functioning.
Author Correction to: Evaluating the environmental impact of debit card payments
The International Journal of Life Cycle Assessment, Sep 2023 This is a preview of a remote PDF: https://link.springer.com/content/pdf/10.1007/s11367-023-02227-0.pdf Lindgreen, Erik Roos, van Schendel, Milan, Jonker, Nicole, Kloek, Jorieke, de Graaff, Lonneke, Davidson, Marc. , The International Journal of Life Cycle Assessment, 2023, pp. 1-3, DOI: 10.1007/s11367-023-02227-0
An in-depth analysis of perinatal related mortality among women of South Asian ethnicity in Aotearoa New Zealand
BMC Pregnancy and Childbirth, Jul 2023 International and national New Zealand (NZ) research has identified women of South Asian ethnicity at increased risk of perinatal mortality, in particular stillbirth, with calls for increased perinatal research among this ethnic group.
A half‐century of tau
From its original trademark as an esoteric factor that stimulates tubulin polymerization into microtubules (MTs; Weingarten et al., 1975), a nevertheless classic finding in the annals of cytoskeleton history, tau eventually gained notoriety as a protein whose malfunctioning contributes to a multitude of neurodegenerative diseases.
Understanding the impact of tuberous sclerosis complex: development and validation of the TSC-PROM - BMC Medicine
Study 1: PROM development Concept elicitation Concept elicitation resulted in a draft version of the TSC-PROM for both self and proxy-report (73 items from prior exploratory interviews [10]; supplementary 6 items from TSC literature on adult manifestations; 9 items from the TAND checklist [4]; 11 items from the expert group).
Frontiers | Clinical Stance on Response Initiation in Autistic Adults: Co-creating an integrative approach -based on theory and lived experiences -to come from language, via motor action to wellbeing
Kirstin Greaves-Lord1, 2* Manna Alma3 Benjamin de Graaff3, 4 Jeanet Landsman3 Klaske van der Weide4 Gabrine Jagersma5 Marieke Wubs6 Theo Beskers7 Henri Mandemaker8 Emma van Dalen9 Joost van der Linde4 Anne-Fleur Stapert4 Jeroen Bekius2, 4 Sigrid Piening4 Annemiek Landlust4, 10 Inge Van Balkom4, 11 11Autism Team Northern-Netherlands, Jonx, Department of (Youth) Mental Health and Autism, Lentis Psychiatric Institute, Groningen, the Netherlands, Netherlands 22 Department of Psychology, Clinical...
[2305.12492] A small and vigorous black hole in the early Universe
arXiv:2305.12492 (astro-ph) Download a PDF of the paper titled A small and vigorous black hole in the early Universe, by Roberto Maiolino and 37 other authors Download PDF Submission history From: Roberto Maiolino [ view email] [v1] Sun, 21 May 2023 16:01:03 UTC (1,677 KB) Bibliographic Tools Bibliographic Explorer Toggle Bibliographic Explorer () Litmaps Toggle Litmaps (What is Litmaps?) scite.ai Toggle scite Smart Citations (What are Smart Citations?) Code, Data, Media DagsHub Toggle...
Practice variation and outcomes of minimally invasive minor liver resections in patients with colorectal liver metastases: a population-based study
Surgical Endoscopy, Apr 2023 This is a preview of a remote PDF: https://link.springer.com/content/pdf/10.1007/s00464-023-10010-3.pdf de Graaff, Michelle R., Klaase, Joost M., de Kleine, Ruben, Elfrink, Arthur K. E., Swijnenburg, Rutger-Jan, M. Zonderhuis, Babs, D. Mieog, J. Sven, Derksen, Wouter J. M., Hagendoorn, Jeroen, van den Boezem, Peter B., Rijken, Arjen M., Gobardhan, Paul D., Marsman, Hendrik A., Liem, Mike S. L., Leclercq, Wouter K. G., van Heek, Tjarda N.
[2302.14155] Discovery of a quiescent galaxy at z=7.3
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JADES Imaging of GN-z11: Revealing the Morphology and Environment of a Luminous Galaxy 430 Myr After the Big Bang
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Correction: Transatlantic registries for minimally invasive liver surgery: towards harmonization
Surgical Endoscopy, Jan 2023 This is a preview of a remote PDF: https://link.springer.com/content/pdf/10.1007/s00464-023-09887-x.pdf van der Heijde, Nicky, Görgec, Burak, Beane, Joal D., Ratti, Francesca, Belli, Giulio, Benedetti Cacciaguerra, Andrea, Calise, Fulvio, Cillo, Umberto, De Boer, Marieke T., Fagenson, Alexander M., Fretland, Åsmund A., Gleeson, Elizabeth M., de Graaff, Michelle R., Kok, Niels F.
Frontiers | The influence of immortal time bias in observational studies examining associations of antifibrotic therapy with survival in idiopathic pulmonary fibrosis: a simulation study
Qiang Zheng1, 2, 3*, Otahal Petr1, Ingrid Cox1, 2, Barbara de Graaff1, 2, Julie Campbell1, Hasnat Ahmad1, 4, Eugene H.
[2212.04480] Discovery and properties of the earliest galaxies with confirmed distances
Authors:B. E. Robertson (1), S. Tacchella (2, 3), B. D. Johnson (4), K. Hainline (5), L. Whitler (5), D. J. Eisenstein (4), R. Endsley (6), M. Rieke (5), D. P. Stark (5), S. Alberts (5), A. Dressler (7), E. Egami (5), R. Hausen (8), G. Rieke (5), I. Shivaei (5), C. C. Williams (9), C. N. A. Willmer (5), S. Arribas (10), N. Bonaventura (11, 12), A. Bunker (13), A. J. Cameron (13), S. Carniani (14), S. Charlot (15), J. Chevallard (13), M. Curti (2, 3), E. Curtis-Lake (16), F. D'Eugenio (2, 3), P. Jakobsen (11, 12), T. J.
The economic burden of idiopathic pulmonary fibrosis in Australia: a cost of illness study - The European Journal of Health Economics
Abstract Purpose Idiopathic pulmonary fibrosis (IPF) is a type of interstitial lung disease found mostly in elderly persons, characterized by a high symptom burden and frequent encounters with health services. This study aimed to quantify the economic burden of IPF in Australia with a focus on resource utilization and associated direct costs. Methods Participants were recruited from the Australian IPF Registry (AIPFR) between August 2018 and December 2019.
Problems faced by Syrian refugees and asylum seekers in Switzerland
Kiselev Nikolai, Pfaltz Monique, Schick Matthis, Bird Martha, Hansen Pernille, Sijbrandij Marit, de Graaff Anne M., Schnyder Ulrich, Morina Naser a Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, Zurich, Switzerland b Department of Clinical, Neuro- and Developmental Psychology, Amsterdam Public Health Research Institute, Vrije Universiteit Amsterdam and Amsterdam Public Health Institute, The Netherlands c International Federation of Red...
The transnationalist US foreign‐policy elite in exile? A comparative network analysis of the Trump administration
Abstract The presidency of Donald Trump – often framed as a result of a populist revolt against the elites of Washington and Wall Street – and his apparent break with the postwar liberal internationalist foreign‐policy elite consensus, has raised fundamental questions about the future of elite power in the USA and the implications for its global role.
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