Article
Environmental Sciences
Claire L. J. Bottini, Scott A. MacDougall-Shackleton, Brian A. Branfireun, Keith A. Hobson
Summary: Methylmercury is a global pollutant that can negatively impact wildlife, with bird feathers often used as monitoring tools for contaminant exposure. This study found that primary feather THg concentration rapidly decreases through molt progression, and is highly correlated with blood THg concentration. Therefore, primary flight feathers provide an accurate and useful tool for estimating mercury burden in birds, especially for species with well-characterized molt patterns.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Ecology
Brett L. Walker, Michael A. Schroeder
Summary: Age-specific patterns of primary molt in native North American upland gamebirds play a critical role in age classification and understanding their ecology and behavior. However, deviations from typical molt patterns, especially more commonly observed in live-captured females, may complicate age classification and bias research and harvest data.
Article
Ornithology
Ronald L. Mumme, Robert S. Mulvihill, David Norman
Summary: The study found that all 13 species of warblers examined replaced their 12 rectrices simultaneously, with variations in the timing of molt between single-brooded early migrants and double-brooded species. Late-molting species replaced their primaries more slowly and less intensively than early molting species, which was unexpected given the hypothesis that late-molting species are under stronger migration-related time constraints.
Review
Endocrinology & Metabolism
Birgit Harbeck, Peter Kropp, Ilonka Kreitschmann-Andermahr
Summary: Patients with adrenal insufficiency (AI) receive glucocorticoid (GC) replacement therapy (GRT). However, temporary phases of hypo- and hypercortisolism are common, and prolonged phases of these can impair cognitive functioning. Little is known about the effects of dosage and duration of GC replacement therapy on cognitive functioning in AI patients. This Mini-Review provides an overview of current studies on GRT for AI and discusses their implications for clinical practice.
FRONTIERS IN ENDOCRINOLOGY
(2023)
Article
Anatomy & Morphology
Chao Liu, Lihan Xu, Xiujuan Li, Yansong Liu, Yingchun Qi, Jiyu Sun, Meng Zou
Summary: This study focuses on the primary flight feather shaft of the bean goose and analyzes its compressive properties and 3D microstructure. The results show that the synergistic effect of cortex and medulla improves the mechanical resistance of the shaft. This research provides guidance for the application of lightweight structural design.
MICROSCOPY RESEARCH AND TECHNIQUE
(2022)
Article
Mathematics
Jocelyn D. Pallauta, Pedro Arteaga, Jose A. Garzon-Guerrero
Summary: The study found that most secondary school students perform well when translating graphs to tables and interpreting them, but some students struggle with symbols and calculations. 40% of students are able to correctly use data to prove a statement and demonstrate a higher level of reading, but only a minority are able to achieve the same level when contextual knowledge is required for the question.
Article
Education & Educational Research
Lorraine Hammond
Summary: A survey conducted among 89 teachers and school administrators from 27 schools in Western Australia revealed that they had positive attitudes towards Direct Instruction (DI), contrary to previous research. They did not find DI boring or harmful, and believed it could meet the complex demands of classrooms and coexist with inquiry learning.
TEACHING AND TEACHER EDUCATION
(2022)
Article
Otorhinolaryngology
Emily A. Garvey, Keisha Arielle Best, Bita Naimi, Alexander Duffy, Paavali Hannikainen, Chase Kahn, Douglas Farquhar, Marc Rosen, Mindy Rabinowitz, Shirley Fung, Elina Toskala, Gurston Nyquist
Summary: This study is the first to examine the outcomes of chronic rhinosinusitis (CRS) in patients with primary immunodeficiency (PID) and secondary immunodeficiency (SID) after starting immunoglobulin (Ig) replacement therapy. The results show that patients receiving Ig for PID and SID had decreased medication use, and SID patients experienced subjective improvement in CRS symptoms after 12 months of Ig therapy.
OTOLARYNGOLOGY-HEAD AND NECK SURGERY
(2023)
Article
Engineering, Multidisciplinary
Ahmed K. Othman, Nirmal J. Nair, Andres Goza, Aimy Wissa
Summary: This study investigates the performance characteristics and flow physics of airfoils with covert-inspired flaps at different Reynolds numbers. The results show up to 12% lift improvement post-stall for the flapped cases. The structural properties and location of the flap are important factors affecting lift improvement.
BIOINSPIRATION & BIOMIMETICS
(2023)
Article
Multidisciplinary Sciences
Francesco Cinetto, Raffaella Neri, Fabrizio Vianello, Andrea Visentin, Gregorio Barila, Sabrina Gianese, Alison Lanciarotta, Cinzia Milito, Marcello Rattazzi, Francesco Piazza, Livio Trentin, Renato Zambello, Carlo Agostini, Riccardo Scarpa
Summary: Evidence suggests that SCIG is equally effective in reducing infection rates in both SAD and PAD patients, with SAD patients requiring lower SCIG dosage and IgG levels to achieve similar effects. SCIG is also effective regardless of underlying diseases in SAD patients, with comparable treatment tolerance to PAD patients.
Article
Biodiversity Conservation
Jared D. Hall, Heather A. Mathewson, Shaun L. Oldenburger, Mike Frisbie, Thomas W. Schwertner
Summary: Banding data of white-winged doves were used to estimate molt and hatch chronology, revealing that primary feather molt initiation in these birds peaks 16 days after the peak of hatching and that molt onset is delayed.
WILDLIFE SOCIETY BULLETIN
(2023)
Article
Cardiac & Cardiovascular Systems
Tanja K. Rudolph, David Messika-Zeitoun, Norbert Frey, Matthias Lutz, Laura Krapf, Stephanie Passefort, John Fryearson, Helen Simpson, Kai Mortensen, Sebastian Rehse, Andreas Tiroke, Fotini Dodos, Florian Mies, Cornelia Deutsch, Jana Kurucova, Martin Thoenes, Peter Bramlage, Richard Paul Steeds, IMPULSE Enhanced Investigators
Summary: The study finds that heart valve centres (HVCs) provide better quality of care for patients with severe aortic stenosis (AS) compared to satellite centres. The results support the implementation of referral pathways directing patients to HVCs performing both surgery and transcatheter interventions.
Article
Ecology
Jose J. Cuervo, Judith Morales, Juan J. Soler, Juan Moreno
Summary: This study found that the pre-alternate molt is more frequent in migratory and less gregarious species. It is also associated with stronger sexual selection and time constraints. However, there is no support for the influence of social selection on the occurrence of the pre-alternate molt.
ECOLOGY AND EVOLUTION
(2022)
Article
Engineering, Multidisciplinary
Qian Li, Huan Shen, Qingfei Han, Aihong Ji, Zhendong Dai, Stanislav N. Gorb
Summary: This study investigates the interaction between flight feathers of birds and air flow, and reveals that the integrity of feathers plays a crucial role in drag and drag reduction performance. Intact secondary feathers show better drag reduction capability at low wind speeds. The appropriate permeability of intact feathers prevents flow separation and allows feathers to withstand larger aerodynamic forces at high wind speeds.
JOURNAL OF BIONIC ENGINEERING
(2022)
Article
Chemistry, Physical
Minglu Zhao, Hongbo Ning, Yanlei Shang, Jinchun Shi
Summary: This study calculates the H-abstraction reaction kinetics of primary, secondary, and tertiary amines with H atoms using the isodesmic reaction method. By comparing results from different methods, it was found that the average unsigned deviation of energy barriers decreased significantly after corrections, and the calculated rate constants and corresponding rate rules of all reactions are provided. This work contributes to accurate energy barrier calculations for reactions of larger molecules involving amines + H at a low level HF method, and also offers precise reaction kinetics for critical H-abstraction reactions in amine combustion modeling.
CHEMICAL PHYSICS LETTERS
(2021)