Results 61 to 70 of about 463,519 (308)

Leaf area estimation of medium size plants using optical metrology Estimativa da área foliar de plantas de médio porte com metrologia óptica

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2013
The total leaf area (TLA) estimation is an important feature of the crops and their assessment a challenge, since the direct methods of obtaining it are destructive and time consuming.
Kleber M. Ribeiro   +3 more
doaj  

Polarized Luminescence of Bismuth Active Centers in Phosphosilicate Glasses

open access: yesPhotonics, 2023
The polarization properties of bismuth active centers (BACs) are important for many applications of bismuth-doped fibers, but they are still lacking in study. In this paper, we present the measurements of polarized luminescence (PL) of the BACs formed in
Alexander V. Elopov   +9 more
doaj   +1 more source

Organ‐specific redox imbalances in spinal muscular atrophy mice are partially rescued by SMN antisense oligonucleotides

open access: yesFEBS Letters, EarlyView.
We identified a systemic, progressive loss of protein S‐glutathionylation—detected by nonreducing western blotting—alongside dysregulation of glutathione‐cycle enzymes in both neuronal and peripheral tissues of Taiwanese SMA mice. These alterations were partially rescued by SMN antisense oligonucleotide therapy, revealing persistent redox imbalance as ...
Sofia Vrettou, Brunhilde Wirth
wiley   +1 more source

Comparative Assessment of Large Language Models in Optics and Refractive Surgery: Performance on Multiple-Choice Questions

open access: yesVision
This study aimed to evaluate the performance of seven advanced AI Large Language Models (LLMs)—ChatGPT 4o, ChatGPT O3 Mini, ChatGPT O1, DeepSeek V3, DeepSeek R1, Gemini 2.0 Flash, and Grok-3—in answering multiple-choice questions (MCQs) in optics and ...
Leah Attal   +4 more
doaj   +1 more source

Solvent Responsive Self‐Folding of 3D Photosensitive Graphene Architectures

open access: yesAdvanced Intelligent Systems, 2023
Stimuli responsive self‐folding structures with 2D layered materials (2DLMs) are important for flexible electronics, wearables, biosensors, bioelectronics, and photonics.
Qi Huang   +11 more
doaj   +1 more source

Optics manufacturing by laser radiation

open access: yes, 2022
S.34-40Current results of the development of a process chain for optics manufacturing with laser radiation are presented. The process chain consists of three process steps: High Speed Laser Ablation creates the surface geometry by material ablation ...
Willenborg, E.   +6 more
core   +1 more source

The planar cell polarity protein Vangl2 interacts with the PDZ‐domains of Scribble but not with a unique PDZ‐like domain in Inturned

open access: yesFEBS Letters, EarlyView.
Structural and biochemical characterisations show that the planar cell polarity (PCP) protein Inturned harbours a unique PDZ‐like domain that does not bind canonical PDZ‐binding motifs (PBMs) like that of another PCP protein Vangl2. In contrast, the apical‐basal polarity protein Scribble contains four PDZ domains that bind Vangl2, but one PDZ domain ...
Stephan Wilmes   +4 more
wiley   +1 more source

Chiral Materials: Multidisciplinary Progress and Emerging Frontier Application Prospects

open access: yesNanomaterials
Chiral materials have shown promising application prospects across various disciplines in recent years due to their unique structural asymmetry and the resulting chiral dependence in optical, electrical, and biomedical applications. However, the existing
Feifan Xu   +7 more
doaj   +1 more source

Light sheet adaptive optics microscope for 3D live imaging [PDF]

open access: yes, 2013
Optical microscopy is still the main research tool for many biological studies. Indeed with the advent of genetic manipulation and specifically, the use of fluorescent protein expressing in animals and plants it has actually seen a renaissance in the ...
BOURGENOT, CYRIL,JULES,TUGDUAL
core  

Array projection optics. Multi-channel design for ultra slim projectors

open access: yes, 2022
Paper 77161ACommon projection optics use a single aperture approach to create a magnified image on a screen. The transmitted flux of such systems always scales with their system dimensions thus preventing the realization of ultra compact devices along ...
Sieler, M.   +3 more
core   +1 more source

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