Results 141 to 150 of about 3,643,523 (352)

Wafer‐Scale Integration of α‐quartz Thin Films toward Super High Frequency Piezoelectric bioNEMS for Chikungunya Virus Detection

open access: yesAdvanced Functional Materials, EarlyView.
Epitaxial piezoelectric α‐quartz/Si BioNEMS sensors, made using soft chemistry, effectively detect the Chikungunya virus. They have a mass sensitivity of 205 pg Hz−1 in liquid and can detect the virus at a limit of 9 ng mL−1. This development enables high‐frequency mass devices for point‐of‐care testing in healthcare and other electronic applications ...
Raissa Rathar   +12 more
wiley   +1 more source

Strategic Design of Oxophilic Dopants for Active and Durable Alkaline Hydrogen Evolution Reaction Under Seawater

open access: yesAdvanced Functional Materials, EarlyView.
This study explores a cost‐effective alternative by incorporating oxophilic dopants into non‐precious metal hosts to enhance water dissociation and catalyst stability. Computational screening identified Ni─V, Ni─Mo, and Co─V as top candidates. Subsequent experiments confirmed Ni20V exhibits superior HER activity, achieving 76 mV lower overpotential ...
Hyeonjung Jung   +13 more
wiley   +1 more source

Multidimensional perspectives of geo-epidemiology: from interdisciplinary learning and research to cost–benefit oriented decision-making

open access: yesFrontiers in Public Health
Research typically promotes two types of outcomes (inventions and discoveries), which induce a virtuous cycle: something suspected or desired (not previously demonstrated) may become known or feasible once a new tool or procedure is invented and, later ...
S. D. Smith   +8 more
doaj   +1 more source

Economic geography : real or hype? [PDF]

open access: yes
Economic geography has become a mantra for many economists, geographers, and regional scientists. Previous studies have tested the importance of economic geography for production activities and found a significant association between them.
Jun Koo, Lall, Somik V.
core  

Association Between Patient-Level, Clinic-Level, and Geographical-Level Factors and 1-Year Surveillance Colonoscopy Adherence

open access: gold, 2023
Talicia Savage   +7 more
openalex   +1 more source

Micro and Nanostructural Diversity of Lizard Osteoderm Capping Tissue in Relation to Mechanical Performance

open access: yesAdvanced Functional Materials, EarlyView.
This study shows that lizard osteoderm capping tissue is a hyper‐mineralized hydroxyapatite layer consistently covering the superficial osteoderm surface in those species studied here, yet it varies greatly in morphology, nanostructure, and mechanical performance across species.
Adrian Rodriguez‐Palomo   +10 more
wiley   +1 more source

Rus Modernleşme Sürecinde Coğrafyanın Rolü: I. Petro ve II. Katerina Dönemleri

open access: yesHistory Studies
Avrupa’da modernleşme bilim ve aydınlanma düşüncesi ile gerçekleşmiştir. Çalışmada Avrupa’dan sonra modernleşmeye çalışan Rusya’daki gelişmeler coğrafi bilgi ve bilim tarihi bakımından değerlendirilmiştir.
Nazan Karakaş Özür
doaj   +1 more source

Effects of geographic isolation on anti-snakes responses in the wall lizard, Podarcis muralis [PDF]

open access: bronze, 2012
Jonas Durand   +6 more
openalex   +1 more source

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