Results 51 to 60 of about 2,621,724 (309)

Feasibility Study of Multi-Wavelength Differential Absorption LIDAR for CO2 Monitoring

Atmosphere, 2016
To obtain a better understanding of carbon cycle and accurate climate prediction models, highly accurate and temporal resolution observation of atmospheric CO2 is necessary. Differential absorption LIDAR (DIAL) remote sensing is a promising technology to
Chengzhi Xiang, Xin Ma, Ailin Liang, Ge Han, Wei Gong, Fa Yan   +5 more
doaj   +1 more source

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

FEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová, Grigorii Rakhalskii, Miroslav Almáši   +2 more
wiley   +1 more source

Motion Artifact Reduction in Wearable Photoplethysmography Based on Multi-Channel Sensors with Multiple Wavelengths

Sensors, 2020
Photoplethysmography (PPG) is an easy and convenient method by which to measure heart rate (HR). However, PPG signals that optically measure volumetric changes in blood are not robust to motion artifacts.
Jongshill Lee, Minseong Kim, Hoon-Ki Park, In Young Kim   +3 more
doaj   +1 more source

Efficient all-optical wavelength converter using saw-tooth pulses [PDF]

, 2009
Wavelength conversion is a key WDM function which is used to avoid wavelength blocking, thus allowing greater flexibility in the network design. Wavelength conversion of an intensity modulated signal can be simply achieved by employing cross-phase ...
M. Ibsen, D. J. Richardson, Ibsen, M., Parmigiani, F., Petropoulos, P., F. Parmigiani, Richardson, D.J., P. Petropoulos   +7 more
core   +1 more source

Effectiveness of rTMS on Working Memory and Inhibitory Impairments in Patients With Post‐Stroke Executive Deficits

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Considerable efforts have been dedicated to developing effective treatments for post‐stroke executive impairment (PSEI), among which repetitive transcranial magnetic stimulation (rTMS) has shown great potential. This study aimed to investigate the therapeutic effects of high‐frequency rTMS on working memory (WM) and response ...
Mengting Lao, Rongwei Du, Zhujun Wang, Yang Gao, Meiling Cheng, Xianglong Wang, Wen Wu   +6 more
wiley   +1 more source

Multi-wavelength campaign on NGC 7469

Astronomy & Astrophysics, 2017
We investigate the physical structure of the active galactic nucleus (AGN) wind in the Seyfert-1 galaxy NGC 7469 through high-resolution X-ray spectroscopy with Chandra HETGS and photoionisation modelling. Contemporaneous data from Chandra, HST, and Swift are used to model the optical-UV-X-ray continuum and determine the spectral energy distribution ...
Mehdipour, M., Kaastra, J. S., Costantini, E., Behar, E., Kriss, G. A., Bianchi, S., Branduardi-Raymont, G., Cappi, M., Ebrero, J., Di Gesu, L., Kaspi, S., Mao, J., de Marco, B., Middei, R., Peretz, U., Petrucci, Pierre-Olivier, Ponti, G., Ursini, F.   +17 more
openaire   +4 more sources

Design of an Achromatic Graphene Oxide Metalens with Multi-Wavelength for Visible Light

Photonics
Dispersion control is a critical aspect in nano-optical systems. Moreover, chromatic aberration significantly impacts image quality. Despite metasurfaces being a novel approach to tackle chromatic aberration in diffractive lenses, numerous challenges ...
Yuxi Chen, Yongchang Ding, Haowen Yu, Xueyan Li   +3 more
doaj   +1 more source

Peripheral Neutrophil Activation and Extracellular Trap Formation in Amyotrophic Lateral Sclerosis

Annals of Clinical and Translational Neurology, EarlyView.
Markers of neutrophil activation are increased in plasma during ALS, and markers of NET formation associate with ALS survival. ABSTRACT Objectives Peripheral neutrophil levels in amyotrophic lateral sclerosis (ALS) inversely correlate with survival, suggesting a role for neutrophils in disease progression.
Lillia A. Baird, Haley McQuown, Jihyun Park, Samuel J. Teener, Ian F. Webber‐Davis, Andrew D. Carter, Dae‐Gyu Jang, Eva L. Feldman, Stephen A. Goutman, Benjamin J. Murdock   +9 more
wiley   +1 more source

Multi-wavelength Flashes from GRBs [PDF]

International Astronomical Union Colloquium, 1995
The mystery of the nature and origin of gamma-ray bursts (GRBs) has persisted over two decades of intensive research, observational and theoretical. The basic problem is the absence of quiescent or transient counterparts at other wavelengths, resulting in distance scale uncertainties of more than 10 orders of magnitude.
openaire   +1 more source

Multi-wavelength data handling in current and future surveys: the possible role of Virtual Observatory [PDF]

, 2009
Here we review some of the main issues related to multi-wavelength source identification and characterization, with particular emphasis on the field of X-ray surveys carried out over the last years.
VIGNALI, CRISTIAN, Fiore F., Comastri A., G. Zamorani, BRUSA, MARCELLA, Gilli R., Civano F., Cappelluti N.   +7 more
core