Institution
Université catholique de Louvain
Education•Louvain-la-Neuve, Belgium•
About: Université catholique de Louvain is a education organization based out in Louvain-la-Neuve, Belgium. It is known for research contribution in the topics: Population & Large Hadron Collider. The organization has 25319 authors who have published 57360 publications receiving 2172080 citations. The organization is also known as: University of Louvain & UCLouvain.
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University of Paris1, Radboud University Nijmegen2, University of Basel3, Sapienza University of Rome4, Ghent University5, Federal University of Paraná6, University of Florence7, University of Giessen8, University of Genoa9, University of Zurich10, Seconda Università degli Studi di Napoli11, University of Pécs12, University of California, Los Angeles13, Medical University of Białystok14, Charité15, Iuliu Hațieganu University of Medicine and Pharmacy16, Charles University in Prague17, Istanbul University18, Complutense University of Madrid19, University of Geneva20, Medical University of Silesia21, University of Düsseldorf22, University of Ljubljana23, Marche Polytechnic University24, Medical University of Vienna25, Lund University26, University of Cologne27, University of Pisa28, University College London29, University of Tübingen30, James Cook University Hospital31, University of Coimbra32, University of Copenhagen33, University of Münster34, Russian Academy35, Carol Davila University of Medicine and Pharmacy36, Hanyang University37, Thomas Jefferson University38, Utrecht University39, University of Connecticut40, Katholieke Universiteit Leuven41, University of Zagreb42, Heidelberg University43, University of Cagliari44, University of São Paulo45, University College Dublin46, University of Verona47, Wrocław Medical University48, Université catholique de Louvain49, Dresden University of Technology50
TL;DR: A core set of preliminary items considered as important for the very early diagnosis of systemic sclerosis were identified in a Delphi exercise among 110 experts in the field of SSc.
Abstract: Objective: To identify a core set of preliminary items considered as important for the very early diagnosis of systemic sclerosis (SSc). Methods: A list of items provided by European League Against Rheumatism (EULAR) Scleroderma Trial and Research(EUSTAR) centres were subjected to a Delphi exercise among 110 experts in the field of SSc. In round 1, experts were asked to choose the items they considered as the most important for the very early diagnosis of SSc. In round 2, experts were asked to reconsider the items accepted after the first stage. In round 3, the clinical relevance of selected items and their importance as measures that would lead to an early referral process were rated using appropriateness scores. Results: Physicians from 85 EUSTAR centres participated in the study and provided an initial list of 121 items. After three Delphi rounds, the steering committee, with input from external experts, collapsed the 121 items into three domains containing seven items, developed as follows: skin domain (puffy fingers/puffy swollen digits turning into sclerodactily);vascular domain (Raynaud's phenomenon, abnormal capillaroscopy with scleroderma pattern) and laboratory domain (antinuclear, anticentromere and antitopoisomerase-I antibodies). Finally, the whole assembly of EUSTAR centres ratified with a majority vote the results in a final face-to-face meeting. Conclusion: The three Delphi rounds allowed us to identify the items considered by experts as necessary for the very early diagnosis of SSc. The validation of these items to establish diagnostic criteria is currently ongoing in a prospective observational cohort.
334 citations
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TL;DR: Despite the multiple studies published in recent years, unambiguous linking of physico-chemical properties of SiNPs types to toxicity, bioavailability, or human health effects is not yet possible.
Abstract: Large-scale production and use of amorphous silica nanoparticles (SiNPs) have increased the risk of human exposure to SiNPs, while their health effects remain unclear. In this review, scientific papers from 2010 to 2016 were systematically selected and sorted based on in vitro and in vivo studies: to provide an update on SiNPs toxicity and to address the knowledge gaps indicated in the review of Napierska (Part Fibre Toxicol 7:39, 2010). Toxicity of SiNPs in vitro is size, dose, and cell type dependent. SiNPs synthesized by wet route exhibited noticeably different biological effects compared to thermal route-based SiNPs. Amorphous SiNPs (particularly colloidal and stober) induced toxicity via mechanisms similar to crystalline silica. In vivo, route of administration and physico-chemical properties of SiNPs influences the toxicokinetics. Adverse effects were mainly observed in acutely exposed animals, while no significant signs of toxicity were noted in chronically dosed animals. The correlation between in vitro and in vivo toxicity remains less well established mainly due to improper-unrealistic-dosing both in vitro and in vivo. In conclusion, notwithstanding the multiple studies published in recent years, unambiguous linking of physico-chemical properties of SiNPs types to toxicity, bioavailability, or human health effects is not yet possible.
333 citations
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TL;DR: The principles of AFM are described, and recent breakthroughs made in AFM-based cell nanoscopy are surveyed, showing how the technology has increased the molecular understanding of the organization, mechanics, interactions and processes of the cell surface.
333 citations
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01 Jan 2011TL;DR: This review aims to provide an overview of chitosan and chitOSan derivatives used for drug delivery, with a special emphasis on chemical modifications of ch itosan to achieve specific biomedical purpose.
Abstract: Chitosan is a nontoxic, biodegradable, and biocompatible polysaccharide of β(1-4)-linked d-glucosamine and N-acetyl-d-glucosamine. This derivative of natural chitin presents remarkable properties that have paved the way for the introduction of chitosan in the biomedical and pharmaceutical fields. Nevertheless, the properties of chitosan, such as its poor solubility in water or in organic solvents, can limit its utilization for a specific application. An elegant way to improve or to impart new properties to chitosan is the chemical modification of the chain, generally by grafting of functional groups, without modification of the initial skeleton in order to conserve the original properties. The functionalization is carried out on the primary amine group, generally by quaternization, or on the hydroxyl group. This review aims to provide an overview of chitosan and chitosan derivatives used for drug delivery, with a special emphasis on chemical modifications of chitosan to achieve specific biomedical purpose. The synthesis of the main chitosan derivatives will be reviewed. The applications of chitosan and these chitosan derivatives will be illustrated.
333 citations
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TL;DR: Policy allocating credits to countries for reducing deforestation and forest degradation should monitor illegal timber trade and take into account the policy-induced leakage of wood extraction to other countries.
Abstract: In some countries across the globe, tropical forest cover is increasing. The national-scale reforestation of Vietnam since 1992 is assumed to contribute to this recovery. It is achieved, however, by the displacement of forest extraction to other countries on the order of 49 (34-70) M m(3), or approximately 39% of the regrowth of Vietnam's forests from 1987 to 2006. Approximately half of wood imports to Vietnam during this period were illegal. Leakage due to policies restricting forest exploitation and displacement due to growing domestic consumption and exports contributed respectively to an estimated 58% and 42% of total displacement. Exports of wood products from Vietnam also grew rapidly, amounting to 84% of the displacement, which is a remarkable feature of the forest transition in Vietnam. Attribution of the displacement and corresponding forest extraction to Vietnam, the source countries or the final consumers is thus debatable. Sixty-one percent of the regrowth in Vietnam was, thus, not associated with displacement abroad. Policies allocating credits to countries for reducing deforestation and forest degradation should monitor illegal timber trade and take into account the policy-induced leakage of wood extraction to other countries.
333 citations
Authors
Showing all 25540 results
Name | H-index | Papers | Citations |
---|---|---|---|
Robert Langer | 281 | 2324 | 326306 |
Pulickel M. Ajayan | 176 | 1223 | 136241 |
Klaus Müllen | 164 | 2125 | 140748 |
Giacomo Bruno | 158 | 1687 | 124368 |
Willem M. de Vos | 148 | 670 | 88146 |
David Goldstein | 141 | 1301 | 101955 |
Krzysztof Piotrzkowski | 141 | 1269 | 99607 |
Andrea Giammanco | 135 | 1362 | 98093 |
Christophe Delaere | 135 | 1320 | 96742 |
Vincent Lemaitre | 134 | 1310 | 99190 |
Michael Tytgat | 134 | 1449 | 94133 |
Jian Li | 133 | 2863 | 87131 |
Jost B. Jonas | 132 | 1158 | 166510 |
George Stephans | 132 | 1337 | 86865 |
Peter Hall | 132 | 1640 | 85019 |