Results 221 to 230 of about 202,748 (265)

Multichannel Photoluminescence of Graphene Quantum Dots Across Femtosecond to Cryogenic Timescales. [PDF]

Small
Song H, Lee HY, Jeon S, Jeong S, Park JB, Kim M, Kyhm K, Taylor RA, Kim H.   +8 more
europepmc   +1 more source

Porphyrin-Based Fluorescent Probe for Nanomolar Detection of Cu²⁺ and Ni²⁺ Ions. [PDF]

Molecules
Shin SH, Kim J, Moon H, Sheshashena Reddy T, Choi MS.   +4 more
europepmc   +1 more source

Satellites reveal Earth's seasonally shifting dust emission sources

Science of the Total Environment, 2023
Establishing mineral dust impacts on Earth's systems requires numerical models of the dust cycle. Differences between dust optical depth (DOD) measurements and modelling the cycle of dust emission, atmospheric transport, and deposition of dust indicate large model uncertainty due partially to unrealistic model assumptions about dust emission frequency.
John F Leys
exaly   +5 more sources

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Revealing deterministic structures in click-evoked otoacoustic emissions

Journal of Applied Physiology, 2000
Click-evoked otoacoustic emissions (CEOAEs) were studied by means of recurrence quantification analysis (RQA) and were found to be endowed with a relevant amount of deterministic structuring. Such a structure showed highly significant correlation with the clinical evaluation of the signal over a data set including 56 signals.
ZIMATORE G., GIULIANI A., PARLAPIANO, Claudio, GRISANTI G., COLOSIMO, Alfredo   +4 more
openaire   +3 more sources

Emission microscopes reveal IC defects

Microelectronics Reliability, 1996
exaly   +2 more sources

Positron emission tomography reveals a leiomyosarcoma causing proteinuria

Clinical Nephrology, 2003
Obstruction of the renal veins may result in proteinuria and is frequently caused by thrombosis or tumorous processes. Since thrombosis and malignancy may occur simultaneously in the venous outflow of the kidneys, search for an underlying intraluminal tumor may be impeded by extensive thrombosis in the lumen of renal and caval veins. We report the case
B, Hegner, B, Krakamp, J P, Hedde, M, Brockmann, M, Weber, E, Schulze-Lohoff   +5 more
openaire   +2 more sources

Positron Emission Tomography Can Reveal Abdominal Periaortitis

Clinical Nuclear Medicine, 2002
The authors describe a 58-year-old man with fatigue, anorexia, weight loss, and pain in the lumbar region and lower abdomen. Nine years earlier, he had a myocardial infarction, and had recently recovered from a transient ischemic attack. Physical examination showed xanthelasma and bruits over both iliac arteries, with weak distal pulses.
Daniël, Blockmans, Els, Van Moer, Johan, Dehem, Christian, Feys, Luc, Mortelmans   +4 more
openaire   +2 more sources

Emissions reveal a constructive side

New Scientist, 2016
Launched last week, a pilot plant at the University of Newcastle near Sydney, Australia, will test the commercial potential of mineral carbonation, a process that forms stable materials by chemically binding CO^sub 2^ to minerals containing calcium or magnesium.
openaire   +1 more source

Revealing the trap emission in graphene-based nanostructures

Carbon, 2019
Abstract Enhancing the photoconversion efficiency of graphene-based nanomaterials, especially graphene quantum dots (GQDs) and graphene nanoribbons (GNRs), has been a long pursued interest in diverse optical applications. Though chemical modification has shown its effectiveness to enhance the photoluminescence efficiencies of these materials, an ...
Shunwei Chen, Yanling Zhao, Naeem Ullah, Qun Wan, Ruiqin Zhang   +4 more
openaire   +1 more source

Emission Properties of Oxyluciferin and Its Derivatives in Water: Revealing the Nature of the Emissive Species in Firefly Bioluminescence

The Journal of Physical Chemistry B, 2014
The first systematic steady-state and time-resolved emission study of firefly oxyluciferin (emitter in firefly bioluminescence) and its analogues in aqueous buffers provided the individual emission spectra of all chemical forms of the emitter and the excited-state equilibrium constants in strongly polar environment with strong hydrogen bonding ...
Ghose, Avisek, Rebarz, Mateusz, Maltsev, Oleg, Hintermann, Lukas, Ruckebusch, Cyril, Fron, Eduard, Hofkens, Johan, Mély, Yves, Naumov, Panče, Sliwa, Michel, Didier, Pascal   +10 more
openaire   +2 more sources