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Showing 1 to 12 of 19 entries
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Synthesis of oxypropanolamine derivatives of 3,4-dihydro-2H-1,4-benzoxazine, beta-adrenergic affinity, inotropic, chronotropic and coronary vasodilating activities.

European journal of medicinal chemistry

Iakovou K, Kazanis M, Vavayannis A, Bruni G, Romeo MR, Massarelli P, Teramoto S, Fujiki H, Mori T.
PMID: 10889316
Eur J Med Chem. 1999 Nov 01;34(11):903-917. doi: 10.1016/s0223-5234(99)00109-9.

Aseries of oxypropanolamine derivatives of 3,4-dihydro-2H-1,4-benzoxazine were synthesized and evaluated for inotropic, chronotropic and coronary vasodilating activities in the canine heart, affinity to beta(1)-adrenergic receptor in turkey erythrocytes and affinity to the beta(2)-adrenergic receptor in the rat lung. Among...

Optical Coherence Tomography Angiography Findings in Deficiency Optic Neuropathy.

Neuro-ophthalmology (Aeolus Press)

Pellegrini F, Prosdocimo G, Papayannis A, Cirone D.
PMID: 32165901
Neuroophthalmology. 2018 Sep 24;43(6):401-406. doi: 10.1080/01658107.2018.1523196. eCollection 2019 Dec.

A 44-year-old man was evaluated for bilateral progressive visual loss and diagnosed with vitamin B

Lidar algorithms and technique in 3D scanning for planetary boundary layer height and single-beam-single-pointing wind speed retrieval.

Applied optics

Pantazis A, Papayannis A.
PMID: 31044923
Appl Opt. 2019 Mar 20;58(9):2284-2293. doi: 10.1364/AO.58.002284.

Planetary boundary layer height (PBLH) and wind speed measurement are most important to meteorology for accurate weather forecasting and also forecasting for personnel-human safety in public places such as airports, camps, cities, etc. According to the location of the...

Optical Coherence Tomography in a Cohort of Genetically Defined Hereditary Spastic Paraplegia: A Brief Research Report.

Frontiers in neurology

Vavla M, Paparella G, Papayannis A, Pascuzzo R, Girardi G, Pellegrini F, Capello G, Prosdocimo G, Martinuzzi A.
PMID: 31824395
Front Neurol. 2019 Nov 22;10:1193. doi: 10.3389/fneur.2019.01193. eCollection 2019.

No abstract available.

Optical Coherence Tomography Angiography Findings in Optic Nerve Sheath Meningioma.

Case reports in ophthalmology

Interlandi E, Pellegrini F, Papayannis A, Cuna A, Mandarà E, De Luca M, Cirone D, Ciabattoni C, Marullo M.
PMID: 32884551
Case Rep Ophthalmol. 2020 Jul 14;11(2):364-369. doi: 10.1159/000508411. eCollection 2020.

A 46-year-old female with a history of 5 months of progressive painless visual loss in the left eye was found to have an optic nerve sheath meningioma. Optical coherence tomography angiography showed a reduction in the superficial capillary plexus...

Lidar algorithms for atmospheric slant range visibility, meteorological conditions detection, and atmospheric layering measurements.

Applied optics

Pantazis A, Papayannis A, Georgousis G.
PMID: 29047933
Appl Opt. 2017 Aug 10;56(23):6440-6449. doi: 10.1364/AO.56.006440.

Visibility at airports has to do, in many ways, with flight and ground safety. We present a novel method and algorithms based on lidar measurements and signal noise subtraction to provide atmospheric layering and estimated visibility values for tower...

Continuous wave and passively Q-switched Nd:YAG laser with a multisegmented crystal diode-pumped at 885  nm.

Applied optics

Evangelatos C, Bakopoulos P, Tsaknakis G, Papadopoulos D, Avdikos G, Papayannis A, Tzeremes G.
PMID: 24513945
Appl Opt. 2013 Dec 20;52(36):8795-801. doi: 10.1364/AO.52.008795.

Mitigation of thermal effects in a 1064 nm Nd:YAG laser is demonstrated through the combination of a multisegmented crystal rod and upper laser level pumping by diode at 885 nm toward optimizing the generated beam profile. Continuous wave (cw)...

Multiwavelength lidar for ozone measurements in the troposphere and the lower stratosphere.

Applied optics

Papayannis A, Ancellet G, Pelon J, Mégie G.
PMID: 20556132
Appl Opt. 1990 Feb 01;29(4):467-76. doi: 10.1364/AO.29.000467.

To study the ozone spatial and temporal evolution in the atmosphere, lidar systems have proved to be adequate but have remained complex. We define in this paper the main characteristics of a UVDIAL system for ground based and airborne...

Aerosol lidar intercomparison in the framework of the EARLINET project. 2. Aerosol backscatter algorithms.

Applied optics

Böckmann C, Wandinger U, Ansmann A, Bösenberg J, Amiridis V, Boselli A, Delaval A, De Tomasi F, Frioud M, Grigorov IV, Hågård A, Horvat M, Iarlori M, Komguem L, Kreipl S, Larchevêque G, Matthias V, Papayannis A, Pappalardo G, Rocadenbosch F, Rodrigues JA, Schneider J, Shcherbakov V, Wiegner M.
PMID: 14960094
Appl Opt. 2004 Feb 01;43(4):977-89. doi: 10.1364/ao.43.000977.

An intercomparison of aerosol backscatter lidar algorithms was performed in 2001 within the framework of the European Aerosol Research Lidar Network to Establish an Aerosol Climatology (EARLINET). The objective of this research was to test the correctness of the...

Lidar algorithms in 3D scanning for atmospheric layering and planetary boundary layer height retrieval: comparison with other techniques: publisher's note.

Applied optics

Pantazis A, Papayannis A, Georgousis G.
PMID: 30874206
Appl Opt. 2019 Mar 01;58(7):1723. doi: 10.1364/AO.58.001723.

This publisher's note amends the Funding section of Appl. Opt.57, 8199 (2018)APOPAI0003-693510.1364/AO.57.008199.

Analysis of the receiver response for a noncoaxial lidar system with fiber-optic output.

Applied optics

Chourdakis G, Papayannis A, Porteneuve J.
PMID: 12027158
Appl Opt. 2002 May 20;41(15):2715-23. doi: 10.1364/ao.41.002715.

The return signal of a noncoaxial lidar system with fiber-optic output is examined. The dependence of the overlap regions and the overlap factor of the system on the fiber diameter is calculated for several inclination angles between the laser...

From hygroscopic aerosols to cloud droplets: The HygrA-CD campaign in the Athens basin - An overview.

The Science of the total environment

Papayannis A, Argyrouli A, Bougiatioti A, Remoundaki E, Vratolis S, Nenes A, Solomos S, Komppula M, Giannakaki E, Kalogiros J, Banks R, Eleftheriadis K, Mantas E, Diapouli E, Tzanis CG, Kazadzis S, Binietoglou I, Labzovskii L, Vande Hey J, Zerefos CS.
PMID: 27639019
Sci Total Environ. 2017 Jan 01;574:216-233. doi: 10.1016/j.scitotenv.2016.09.054. Epub 2016 Oct 14.

The international experimental campaign Hygroscopic Aerosols to Cloud Droplets (HygrA-CD), organized in the Greater Athens Area (GAA), Greece from 15 May to 22 June 2014, aimed to study the physico-chemical properties of aerosols and their impact on the formation...

Showing 1 to 12 of 19 entries