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Biosensing with free space whispering gallery mode microlasers

Photonics Research 2023年第5期11卷 732-741页

作者： ANGELA CAPOCEFALO silvia gentilini LORENZO BAROLO PAOLA BAIOCCO CLAUDIO CONTI NEDA GHOFRANIHA Istituto dei Sistemi Complessi-CNR UOS UniversitàLa SapienzaI-00185 RomeItaly Dipartimento di Scienze Biochimiche A.Rossi Fanelli UniversitàLa SapienzaI-00185 RomeItaly Dipartimento di Fisica UniversitàLa SapienzaI-00185 RomeItaly

Highly accurate biosensors for few or single molecule detection play a central role in numerous key fields,such as healthcare and environmental *** the last decade,laser biosensors have been investigated as proofs of concept,and several technologies have been *** here propose a demonstration of polymeric whispering gallery microlasers as biosensors for detecting small amounts of proteins,down to 400 *** have the advantage of working in free space without any need for waveguiding for input excitation or output signal *** photonic microsensors can be easily patterned on microscope slides and operate in air and *** estimate the limit of detection up to 148 nm/RIU for three different protein *** addition,the sensing ability of passive spherical resonators in the presence of dielectric nanoparticles that mimic proteins is described by massive ab initio numerical simulations.

关键词： passive mode excitation

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The duration of the conventional chemoembolization for hepatocellular carcinoma:factors affecting the procedural time

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Hepatoma Research 2022年第1期8卷 313-326页

作者： Matteo Renzulli Mattia gentilini Giovanni Marasco Nicolo Brandi Alessandro Granito silvia Lo Monaco Anna Maria Ierardi Antonio De Cinque Francesco Tovoli Laura Bartalena Daniele Spinelli Fabio Piscaglia Rita Golfieri Department of Radiology IRCCS Azienda Ospedaliero-Universitaria di BolognaBologna 40138Italy Internal Medicine and Digestive Physiopathology Unit IRCCS Azienda Ospedaliero-Universitaria di BolognaBologna 40138Italy Division of Internal Medicine IRCCS Azienda Ospedaliero-Universitaria di BolognaBologna 40138Italy Diagnostic and Interventional Radiology Department Fondazione IRCCS CàGranda Ospedale Maggiore PoliclinicoUniversitàdegli Studi di Milano MilanMilan 20122Italy

Aim:The present study evaluated the duration of chemoembolization in patients with hepatocellular carcinoma,analyzing possible factors affecting the procedural ***:In total,175 patients who underwent chemoembolization have been prospectively *** procedural length was considered the time between the insertion and the removal of the angiographic *** features related to the tumor burden and angiographic procedures,which could be related to the procedural time,were ***:The chemoembolization time resulted in a mean of 58.1 *** longer procedural time was associated with a number of nodules treated per patient≥2(P<0.001),a number of segments with nodules≥2(P<0.001),the presence of more than 1 nodule in the same segment(P<0.001),the location of the tumor in the left lobe(P=0.001),the exclusion from the Milan criteria(P<0.001),and a number of segments treated≥2(P<0.001).Only the number of nodules treated per patient resulted significantly in multivariate analysis(OR 2.927,95%CI:2.015-4.251,P<0.001).Conclusion:The factors related to longer procedural time are the number of nodules treated≥2,the number of segments with nodules≥2,the involvement of the left lobe,the tumor burden outside the Milan criteria,and the number of segments treated≥*** these characteristics,known in the pre-procedural phase,represent useful tools for a correct planning of the angiographic room’s workflow during the pandemic era as well as in the future to reduce downtime and increase productivity.

关键词： Chemoembolization hepatocellular carcinoma procedural time angiographic room management

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