Results 141 to 150 of about 3,559,712 (356)

A Comparative Study of Cerebral Oxygenation During Exercise in Hemodialysis and Peritoneal Dialysis Patients

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Cognitive impairment and exercise intolerance are common in dialysis patients. Cerebral perfusion and oxygenation play a major role in both cognitive function and exercise execution; HD session per se aggravates cerebral ischemia in this population. This study aimed to compare cerebral oxygenation and perfusion at rest and in mild
Marieta P. Theodorakopoulou   +10 more
wiley   +1 more source

Explaining international co-authorship in global environmental change research [PDF]

open access: yes
This paper maps the domain of earth and environmental sciences (EES) and investigates the relationship between cognitive problem structures and internationalisation patterns, drawing on the concepts of systemic versus cumulative global environmental ...
Jappe-Heinze, Arlette
core  

Novos paradigmas na educacão online com a aprendizagem aberta [PDF]

open access: yes, 2007
This paper aims to discuss important concepts related to online education which bring a new educational paradigm: open learning through free learning materials and technologies.
Okada, Alexandra
core  

Predicting the Future Burden of Renal Replacement Therapy in Türkiye Using National Registry Data and Comparative Modeling Approaches

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic kidney disease is a growing public health problem worldwide, and the number of patients requiring renal replacement therapy is steadily increasing. Türkiye has experienced a similar rise in both the incidence and prevalence of renal replacement therapy over the past decades; however, national‐level projections of future ...
Arzu Akgül   +2 more
wiley   +1 more source

Co-Authorship Patterns and Networks in Pharmacology and Pharmacy in Iran

open access: yesInternational Journal of Information Science and Management, 2017
This study aimed at investigating scientific collaboration and analyzing co-authorship networks in pharmacology and pharmacy research studies in Iran.
Maryam Shekofteh   +4 more
doaj  

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Predicting Topics of Scientific Papers from Co-Authorship Graphs: a Case Study [PDF]

open access: yes, 2006
In this paper, we present a case study of predicting topics of scientific papers using a co-authorship graph. Co-authorship graphs constitute a specific view on bibliographic data, where scientific publications are modelled as a graph’s nodes, and two ...
Peter Flach, Susanne Hoche
core  

International Collaboration in Science and the Formation of a Core Group

open access: yes, 2008
International collaboration as measured by co-authorship relations on refereed papers grew linearly from 1990 to 2005 in terms of the number of papers, but exponentially in terms of the number of international addresses.
Leydesdorff, Loet, Wagner, Caroline
core   +2 more sources

Study the Co-authorship Network of Persian Scientific Research Journals in Faculty of Management of Tehran University

open access: yesمجله علم‌سنجی کاسپین, 2016
Background and aim: The aim of this research was to map the co-authorship network structure of the Persian Scientific Research Journals' (Scirj) authors and identify the most important authors, co-authorship pattern and the network integration in Faculty
Mohammad Fallah   +2 more
doaj  

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