Results 91 to 100 of about 38,024 (237)

Synthesis of Novel Steroid-Peptoid Hybrid Macrocycles by Multiple Multicomponent Macrocyclizations Including Bifunctional Building Blocks (MiBs)

open access: yesMolecules, 2007
Two new groups of cholane-peptoid hybrid macrocycles were produced by implementing novel combinations of the MiB methodology. Steroid-based hybrid macrolactams including heterocycle and aryl moieties were obtained by utilizing cholanic dicarboxylic acids
Ludger A. Wessjohann, Daniel G. Rivera
doaj   +1 more source

Upper Gastrointestinal Endoscopy by Pediatric Surgeons: Our Early Experience

open access: yesJournal of Indian Association of Pediatric Surgeons
Introduction: Pediatric upper gastrointestinal (UGI) endoscopy is an important procedure in the management of gastrointestinal pathologies. Conventionally, it has been the forte of medical gastroenterologists.
Adnan Sayeed   +2 more
doaj   +1 more source

Psychological health as a mediator in the association between diet and upper gastrointestinal cancer: insights from a large-scale population-based screening project

open access: yesThe Lancet Regional Health. Western Pacific
Background: Upper gastrointestinal (UGI) cancer, including esophageal cancer and gastric cancer, poses a significant global health burden. While unhealthy dietary patterns are recognized risk factors, increasing attention is being paid to the role of ...
Yueying Zhang   +4 more
doaj   +1 more source

Environmental Controls, Scarcity Rents, and Pre-Existing Distortions [PDF]

open access: yes
Debate about the Double Dividend Hypothesis has focused on whether an environmental policy raises revenue that can be used to cut other distorting taxes. In this paper, we show that this focus is misplaced.
Don Fullerton, Gilbert Metcalf
core  

Perceived influence of urban green infrastructure on quality of life in Lagos Metropolis, Nigeria

open access: yesTown and Regional Planning
Quality of life (QoL) in urban areas is closely linked to the availability and quality of green infrastructure (GI), which provides essential ecosystem services that enhance well-being.
Adedotun Dipeolu
doaj   +1 more source

Simulation-based estimation of peer effects [PDF]

open access: yes
The influence of peer behavior on an individual's choices has received renewed interest in recent years. However, accurate measures of this influence are difficult to obtain.
Brian Krauth
core  

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