Results 161 to 170 of about 665,163 (310)

Photonic Engineering Enables All‐Passive Upconversion Imaging with Low‐Intensity Near‐Infrared Light

open access: yesAdvanced Functional Materials, EarlyView.
A passive upconversion imaging system enables the observation of scenes illuminated by low‐intensity incoherent near‐infrared light from 750 to 930 nm, by converting it into the visible without the use of external power. The upconverter is enabled by triplet–triplet annihilation in a bulk heterojunction, with absorption enhanced by plasmonic resonators
Rabeeya Hamid   +13 more
wiley   +1 more source

Thermal stress impairs photophysiology and redox balance in the kelp <i>Lessonia spicata</i>. [PDF]

open access: yesFront Plant Sci
Navarrete C   +4 more
europepmc   +1 more source

NATURAL RESOURCE CONSERVATION AND MANAGEMENT IN THE SIERRA NEVADA OF SANTA MARTA: CASESTUDY [PDF]

open access: yes
The Sierra Nevada of Santa Marta of Colombia is a region of immense cultural, historical, ecological and biological value. However, external interventions have caused serious cultural, social and environmental damage.
Eduardo Uribe
core  

Bio‐Friendly Artificial Muscles Based on Carbon Nanotube Yarns and Eutectogel Derivatives

open access: yesAdvanced Functional Materials, EarlyView.
Solid‐state artificial muscles based on coiled commercial carbon nanotube yarns coated with eutectogel derivatives exhibit unipolar actuation through selective ion intercalation. Combining polyanionic and polycationic gels enables enhanced contractile stroke and high energy density.
Gabriela Ananieva   +6 more
wiley   +1 more source

Environmental health literacy among riverside residents in the Amazon region of Pará. [PDF]

open access: yesRev Esc Enferm USP
Andrade ÉFR   +8 more
europepmc   +1 more source

GeAl2‐2xFe2xO3(OH)4 Nanotubes: New Electrocatalyst for Oxygen Evolution Reaction

open access: yesAdvanced Functional Materials, EarlyView.
Fe‐doped imogolite nanotubes are synthesized via a one‐step hydrothermal method with varying Fe substitution ratios x. Structural and spectroscopic analyses confirm homogeneous Fe incorporation while preserving tubular shape. Optimal doping at x = 0.05 enhances optical absorption, narrows band gap, reduces charge transfer resistance, and significantly ...
Yassine Naciri   +12 more
wiley   +1 more source

Comparative skin microbiome analyses reveal differences between wild populations and captive groups of the Montseny brook newt (<i>Calotriton arnoldi</i>). [PDF]

open access: yesISME Commun
Tulloch S   +20 more
europepmc   +1 more source

Control ambiental psicométrico mediante lógica difusa

open access: yes, 2010
En este Proyecto Fin de Carrera se ha realizado un estudio psicométrico en una habitación, lo que incluye no sólo un estudio de lo que aísla una pared (térmicamente hablando) con una determinada composición, sino también el diseño de un controlador de temperatura y humedad basado en la lógica difusa (Fuzzy Logic). El diseño de este sistema térmico y de
openaire   +2 more sources

Peptide Sequencing With Single Acid Resolution Using a Sub‐Nanometer Diameter Pore

open access: yesAdvanced Functional Materials, EarlyView.
To sequence a single molecule of Aβ1−42–sodium dodecyl sulfate (SDS), the aggregate is forced through a sub‐nanopore 0.4 nm in diameter spanning a 4.0 nm thick membrane. The figure is a visual molecular dynamics (VMD) snapshot depicting the translocation of Aβ1−42–SDS through the pore; only the peptide, the SDS, the Na+ (yellow/green) and Cl− (cyan ...
Apurba Paul   +8 more
wiley   +1 more source

Micronuclei and Nuclear Abnormalities in Oral Mucosa as Indicators of Genotoxicity in Healthcare Professionals. [PDF]

open access: yesToxics
Sánchez-Alarcón J   +5 more
europepmc   +1 more source

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