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Showing 1 to 12 of 46 entries
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Controlling high-power autofocusing waves with periodic lattices.

Optics letters

Panagiotopoulos P, Papazoglou DG, Couairon A, Tzortzakis S.
PMID: 25121918
Opt Lett. 2014 Aug 15;39(16):4958-61. doi: 10.1364/OL.39.004958.

We show numerically that by using radial symmetric lattices, the focal spot characteristics and filament peak intensity of high-power autofocusing waves can be controlled. The lattice induced diffraction is able to isolate the main on-axis peak and control the...

[Not Available].

Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie

Panayotopoulos P, Bigot P, Bouvier A, Aubé C, Azzouzi A.
PMID: 26544485
Prog Urol. 2015 Nov;25(13):860. doi: 10.1016/j.purol.2015.08.291.

No abstract available.

Multi-terawatt 10  μm pulse atmospheric delivery over multiple Rayleigh ranges.

Optics letters

Schuh K, Panagiotopoulos P, Kolesik M, Koch SW, Moloney JV.
PMID: 28957115
Opt Lett. 2017 Oct 01;42(19):3722-3725. doi: 10.1364/OL.42.003722.

We predict that long wavelength self-trapped multi-terawatt pulses can be sustained over multiple kilometers in the atmosphere. Unlike filaments, these pulses exhibit low loss propagation and retain most of their launch power at range. A novel mechanism involving an...

Linear X-wave generation by means of cross-phase modulation in Kerr media.

Optics letters

Averchi A, Faccio D, Rubino E, Lukner HV, Panagiotopoulos P, Loukakos PA, Tzortzakis S, Couairon A, Trapani PD.
PMID: 19079530
Opt Lett. 2008 Dec 15;33(24):3028-30. doi: 10.1364/ol.33.003028.

We exploit cross-phase modulation by a strong driving pulse onto a weaker probe pulse at a different wavelength to induce the formation of an X wave possessing the typical nondispersive and nondiffractive propagation properties.

[Not Available].

Paediatrics & child health

Pringsheim T, Panagiotopoulos C, Davidson J, Ho J.
PMID: 24082813
Paediatr Child Health. 2012 Oct;17:12B-21B.

BACKGROUND: The use of antipsychotics, especially second-generation antipsychotics (SGAs), for children with mental health disorders in Canada has increased dramatically over the past five years. These medications have the potential to cause major metabolic and neurological complications with chronic...

Family burden of schizophrenic patients and the welfare system; the case of Cyprus.

International journal of mental health systems

Panayiotopoulos C, Pavlakis A, Apostolou M.
PMID: 23638907
Int J Ment Health Syst. 2013 May 02;7(1):13. doi: 10.1186/1752-4458-7-13.

BACKGROUND: The shift from asylum to community care for mental health patients has burdened the providers of primary health care and, more than all, families. As a result, numerous studies [Soc Psychiatry Psychiatr Epidemiol 31:345-348, 1995, J Health Socisl...

[French resident's performance on laparoscopic surgery box trainer: 7-year results of pelvitrainer contests].

Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie

Madec FX, Dariane C, Pradere B, Amadane N, Bergerat S, Gryn A, Lebacle C, Matillon X, Olivier J, Nouhaud FX, Panayotopoulos P, Peyronnet B, Rizk J, Sanson S, Seisen T, Salomon L, Fiard G.
PMID: 28279367
Prog Urol. 2016 Dec;26(16):1171-1177. doi: 10.1016/j.purol.2016.09.068. Epub 2016 Oct 27.

OBJECTIVES: The study objectives were to analyze the resident's laparoscopic surgery performance in order to build a self-assessment data set, to identify discriminatory exercises and to investigate the suturing time changes.METHODS: From 2007 to 2014, the French Association of...

Comparison of Clinical and Social Characteristics of Canadian Youth Living With Type 1 and Type 2 Diabetes.

Canadian journal of diabetes

Carino M, Elia Y, Sellers E, Curtis J, McGavock J, Scholey J, Hamilton J, Clarson C, Pinto T, Hadjiyannakis S, Mertens L, Samaan MC, Ho J, Nour M, Panagiotopoulos C, Jetha M, Gabbs M, Mahmud FH, Wicklow B, Dart A.
PMID: 33714663
Can J Diabetes. 2021 Jul;45(5):428-435. doi: 10.1016/j.jcjd.2021.01.008. Epub 2021 Jan 22.

OBJECTIVES: Our aim in this study was to describe the clinical and social characteristics of 2 Canadian cohorts of adolescents with diabetes.METHODS: Participants from the Improving renal Complications in Adolescents with type 2 diabetes through REsearch (iCARE) study (n=322)...

Glucocorticoid Resistance in Premature Adrenarche and PCOS: From Childhood to Adulthood.

Journal of the Endocrine Society

Panayiotopoulos A, Bhangoo A, Khurana D, Ten S, Michl J, Ghanny S.
PMID: 32904537
J Endocr Soc. 2020 Aug 04;4(9):bvaa111. doi: 10.1210/jendso/bvaa111. eCollection 2020 Sep 01.

CONTEXT: We hypothesize that impaired glucocorticoid sensitivity (GC sensitivity) plays a role in the development of premature adrenarche (PA) and polycystic ovarian syndrome (PCOS) by increasing androgen synthesis.OBJECTIVE: To study glucocorticoid sensitivity in vitro in subjects with PA and...

A classification of information-based environmental regulation: Voluntariness, compliance and beyond.

The Science of the total environment

Bowen F, Tang S, Panagiotopoulos P.
PMID: 31787310
Sci Total Environ. 2020 Apr 10;712:135571. doi: 10.1016/j.scitotenv.2019.135571. Epub 2019 Nov 18.

Alternative approaches to environmental regulation have gained much attention in recent years. Information-based regulation is an increasingly popular type of instrument that refers to the use of ratings, rankings, labels, online inventories and similar public disclosure practices by regulators....

Effects of Bisphosphonate Therapy on Bone Mineral Density in Boys with Duchenne Muscular Dystrophy.

Clinical medicine insights. Endocrinology and diabetes

Ronsley R, Islam N, Kang M, Nadel H, Reilly C, Metzger D, Selby K, Panagiotopoulos C.
PMID: 33335437
Clin Med Insights Endocrinol Diabetes. 2020 Dec 06;13:1179551420972400. doi: 10.1177/1179551420972400. eCollection 2020.

The objective of this study was to estimate the comparative effectiveness of bisphosphonate therapy on bone mineral density (BMD) in patients with corticosteroid-treated Duchenne muscular dystrophy (DMD). A retrospective, comparative effectiveness study evaluating changes in BMD and fragility fractures...

Generation of long homogeneous plasma channels with high power long-wave IR pulsed Bessel beams.

Optics letters

Panagiotopoulos P, Kolesik M, Tochitsky S, Moloney JV.
PMID: 34724500
Opt Lett. 2021 Nov 01;46(21):5457-5460. doi: 10.1364/OL.438633.

Long-wave multi-joule ultrashort laser pulses are predicted to confine highly uniform electromagnetic energy and field intensities while sustaining high density uniform plasmas within nonlinear Bessel zones under extreme driving conditions in contrast to near-IR sources. This opens up novel...

Showing 1 to 12 of 46 entries