Search results for: Juan C. Jimenez

Items from 1 to 20 out of 56 results

article

The role of ENSO flavours and TNA on recent droughts over Amazon forests and the Northeast Brazil region

Juan C. Jimenez, Jose A. Marengo, Lincoln M. Alves, Juan C. Sulca, more

International Journal of Climatology > 41 > 7 > 3761 - 3780

Amazon tropical forests and the semiarid Northeast Brazil (NEB) region have registered very severe droughts during the last two decades, with a frequency that may have exceeded natural climate variability. Severe droughts impact the physiological response of Amazon forests, decreasing the availability to absorb atmospheric CO₂, as well as biodiversity and increasing risk of fires. Droughts on this...

article

Effect of coadministration of the GABA_B agonist baclofen and the 5-HT_2C agonist Ro60-0175 on the expression of amphetamine-induced locomotor sensitization

Laura N. Cedillo, Rosa Isela Ruíz-García, Juan C. Jiménez, Florencio Miranda

Experimental Brain Research > 2019 > 237 > 7 > 1691-1697

GABA_B and 5-HT_2C agonists are effective in attenuating the behavioral effects of psychostimulants. However, they induce adverse side effects when used in high doses. The previous evidence has suggested that the 5HT_2C receptor activation effect could be produced by an increased release of GABA in the ventral tegmental area (VTA) and the consequent activation of GABAergic receptors. Therefore, the objective...

article

Mechanochemical Ablation is Associated with Higher Incidence of Deep Vein Thrombus Extension Than Thermal Techniques

Kaelan N. Chan, Juan C. Jimenez, Peter F. Lawrence, Karen Woo

Annals of Vascular Surgery > 2018 > 51 > C > 282

article

Robotic-assisted laparoscopic median arcuate ligament release: 7-year experience from a single tertiary care center

Usah Khrucharoen, Yen-Yi Juo, Yas Sanaiha, Yijun Chen, more

Surgical Endoscopy > 2018 > 32 > 9 > 4029-4035

Background Despite previous reports of robotic-assisted laparoscopic release for median arcuate ligament syndrome (MALS), the safety and efficacy profile of this approach has been difficult to establish due to the rarity of this diagnostic entity. We aim to present our experience from a tertiary minimally invasive surgery referral center. Methods A case series was performed whereby all patients...

article

Differentiation of Ecuadorian National and CCN‐51 cocoa beans and their mixtures by computer vision

Juan C Jimenez, Freddy M Amores, Eddyn G Solórzano, Gladys A Rodríguez, more

Journal of the Science of Food and Agriculture > 98 > 7 > 2824 - 2829

BACKGROUND Ecuador exports two major types of cocoa beans, the highly regarded and lucrative National, known for its fine aroma, and the CCN‐51 clone type, used in bulk for mass chocolate products. In order to discourage exportation of National cocoa adulterated with CCN‐51, a fast and objective methodology for distinguishing between the two types of cocoa beans is needed. RESULTS This study reports...

article

Efficacy of Distal Perfusion Cannulae in Preventing Limb Ischemia During Extracorporeal Membrane Oxygenation: A Systematic Review and Meta‐Analysis

Yen‐Yi Juo, Matthew Skancke, Yas Sanaiha, Aditya Mantha, more

Artificial Organs > 41 > 11 > E263 - E273

To date, no consensus exists regarding indication, technique, or efficacy of distal perfusion cannulae (DPC) in preventing limb ischemia among patients receiving venoarterial extracorporeal membrane oxygenation (VA‐ECMO). We aim to examine the available literature and report association between DPC and risk of limb ischemia. PubMed/Medline, Scopus, Cochrane Central Register of Controlled Trials, Google...

article

Vicarious Calibration of the Landsat 7 Thermal Infrared Band and LST Algorithm Validation of the ETM+ Instrument Using Three Global Atmospheric Profiles

Drazen Skokovic, Jose A. Sobrino, Juan C. Jimenez-Munoz

IEEE Transactions on Geoscience and Remote Sensing > 2017 > 55 > 3 > 1804 - 1811

Due to problems in the thermal infrared sensor on-board the Landsat-8 satellite, Landsat-7 (L7) can be an interesting alternative source of thermal data because it is the only source of well-calibrated, free, high-resolution data. To contribute to the quality of thermal data, a vicarious calibration (VC) of the enhanced thematic mapper instrument and a validation of the single-channel general equation...

article

Phase 3 evaluation of HP802‐247 in the treatment of chronic venous leg ulcers

Robert S. Kirsner, Wolfgang Vanscheidt, David H. Keast, John C. Lantis, more

Wound Repair and Regeneration > 24 > 5 > 894 - 903

In 2012 we reported promising results from a phase 2 clinical trial of HP802‐247, a novel spray‐applied investigational treatment for chronic venous leg ulcers consisting of human, allogeneic fibroblasts and keratinocytes. We now describe phase 3 clinical testing of HP802‐247, its failure to detect efficacy, and subsequent investigation into the root causes of the failure. Two randomized, controlled...

article

Review of Thermal Infrared Applications and Requirements for Future High-Resolution Sensors

Jose A. Sobrino, Fabio Del Frate, Matthias Drusch, Juan C. Jimenez-Munoz, more

IEEE Transactions on Geoscience and Remote Sensing > 2016 > 54 > 5 > 2963 - 2972

High-resolution thermal infrared (TIR) remote sensing has a wide range of applications. In this paper, we describe the different applications and requirements identified in a literature review and during a consultation meeting with researcher experts in different fields. As a result, more than 30 applications were identified within three different fields: 1) land and solid Earth; 2) health and hazards;...

article

Pericarditis postraumática como manifestación del síndrome de lesión postcardiaca

Mariana Soto, Nohra Romero, Beatriz Wills, Bibiana Pinzón, more

Revista Colombiana de Cardiolog�a > 2016 > 23 > 3 > 229.e1-229.e4

Constrictive pericarditis occurs when thickened and calcified pericardium prevents adequate ventricular filling and consequently causes a limitation of the total cardiac output. Currently, one of its most common causes is cardiac trauma. Clinical conditions of pericarditis secondary to pericardial injury constitute the post cardiac injury syndrome which includes post-infarction pericarditis or Dressler...

article

Near-Real-Time Estimation of Water Vapor Column From MSG-SEVIRI Thermal Infrared Bands: Implications for Land Surface Temperature Retrieval

Yves Julien, Jose A. Sobrino, Cristian Mattar, Juan C. Jimenez-Munoz

IEEE Transactions on Geoscience and Remote Sensing > 2015 > 53 > 8 > 4231 - 4237

The Meteosat Second Generation-Spinning Enhanced Visible and Infrared Imager (MSG-SEVIRI) instrument provides observations of half the globe every 15 min, at low spatial resolution. These data are an invaluable tool to observe daily to yearly cycle of land surface temperature (LST), as well as for various early warning systems. However, advanced algorithms for LST estimation requires a previous estimation...

chapter

Observability of network-delayed multi-converter power systems

Chika O. Nwankpa, Juan C. Jimenez, Sachi Jayasuriya

2015 IEEE International Symposium on Circuits and Systems (ISCAS) > 930 - 933

2015 IEEE International Symposium on Circuits and Systems (ISCAS)

Power electronic converter systems have become a key feature of smart grid technologies due to the efforts to achieve increased levels of autonomy in power system operation. However, when devising control strategies for multi-converter power systems, nonlinearities-associated issues with these types of systems arise (e.g. bifurcations) and must be taken into account as even a slight variation of a...

article

Recent trends on glacier area retreat over the group of Nevados Caullaraju-Pastoruri (Cordillera Blanca, Peru) using Landsat imagery

Claudio Durán-Alarcón, Caroline M. Gevaert, Cristian Mattar, Juan C. Jiménez-Muñoz, more

Journal of South American Earth Sciences > 2015 > 59 > Complete > 19-26

The Cordillera Blanca, located in the central zone of the Andes Mountains in Peru, has shown a retreat in its glaciers. This paper presents a trend analysis of the glacier area over the groups of Nevados Caullaraju-Pastoruri from 1975 to 2010 using Landsat-5 Thematic Mapper (TM) imagery. In the case of the Nevados Pastoruri/Tuco, the study period was extended back to 1957 by using an aerial photograph...

chapter

Nonlinear analysis of multi-converter power systems for microgrids

Chika O. Nwankpa, Juan C. Jimenez, Sachi Jayasuriya

2014 IEEE International Symposium on Circuits and Systems (ISCAS) > 1804 - 1807

2014 IEEE International Symposium on Circuits and Systems (ISCAS)

Multi-converter power systems play an important role in leveraging microgrids to achieve increased levels of autonomy in power system operation. Desired performance of converters associated with this type of power system architectures can be accomplished via a set of executive and distributed control strategies. However, the effectiveness of these control mechanisms is dependent on the communication...

article

VESS25. Use of Intravascular Ultrasound (IVUS) and Catheter Venography in the Evaluation of Patients with Venous Thoracic Outlet Syndrome

Sharon C. Kiang, Hugh A. Gelabert, Brian G. DeRubertis, Steven M. Farley, more

Journal of Vascular Surgery > 2014 > 59 > 6 Supplement > 15S

article

Minimum configuration of thermal infrared bands for land surface temperature and emissivity estimation in the context of potential future missions

José A. Sobrino, Juan C. Jiménez-Muñoz, J.A. Sobrino, J.C. Jimenez-Munoz

Remote Sensing of Environment > 2014 > 148 > Complete > 158-167

A number of applications rely on the availability of high resolution TIR data, both in terms of spatial and temporal resolution, as well as in terms of spectral configuration. A consensus exists among the thermal community regarding the lack of such a kind of data, since only one operational sensor is currently providing multispectral TIR data at high spatial resolution (the case of ASTER, at 90m...

chapter

Simulation platform development for the analysis of power electronic converter systems with plant and network coupling

Juan C. Jimenez, Sachi Jayasuriya, Chika O. Nwankpa

2014 IEEE Applied Power Electronics Conference and Exposition - APEC 2014 > 1158 - 1164

2014 IEEE Applied Power Electronics Conference and Exposition - APEC 2014

Integration of multi-converter systems into information-embedded power system infrastructures has been necessitated by the increasing popularity of microgrids, renewable energy systems and DC distribution systems. This work is motivated by the need for an autonomous simulation tool to perform system-wide analysis of static and dynamic behavior of multi-converter systems taking into account the underlying...

article

Land Surface Temperature Retrieval Methods From Landsat-8 Thermal Infrared Sensor Data

Juan C. Jimenez-Munoz, Jose A. Sobrino, Drazen Skokovic, Cristian Mattar, more

IEEE Geoscience and Remote Sensing Letters > 2014 > 11 > 10 > 1840 - 1843

The importance of land surface temperature (LST) retrieved from high to medium spatial resolution remote sensing data for many environmental studies, particularly the applications related to water resources management over agricultural sites, was a key factor for the final decision of including a thermal infrared (TIR) instrument on board the Landsat Data Continuity Mission or Landsat-8. This new...

article

Temperature and Emissivity Separation From MSG/SEVIRI Data

Juan C. Jimenez-Munoz, Jose A. Sobrino, Cristian Mattar, Glynn Hulley, more

IEEE Transactions on Geoscience and Remote Sensing > 2014 > 52 > 9 > 5937 - 5951

In this paper, we analyze the feasibility of applying the temperature and emissivity separation (TES) algorithm to thermal-infrared data acquired with three bands of the Spinning Enhanced Visible and Infrared Imager (SEVIRI) onboard the Meteosat Second Generation platform (SEVTES). The performance of the SEVTES algorithm was tested using data simulated over different atmospheric conditions and surface...

article

Antibody and cytokine responses to Giardia excretory/secretory proteins in Giardia intestinalis-infected BALB/c mice

Juan C. Jiménez, Josette Fontaine, Colette Creusy, Laurence Fleurisse, more

Parasitology Research > 2014 > 113 > 7 > 2709-2718

The humoral and cellular responses against excretory/secretory proteins and soluble extracts of Giardia intestinalis were evaluated in the course of experimental G. intestinalis infection in BALB/c mice. Production of IgG1, IgG2a, IgA, and IgE antibodies against excreted/secreted proteins and soluble extract was detected after infection by G. intestinalis. Specific IgA antibody against E/S proteins...

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Search results for: Juan C. Jimenez

The role of ENSO flavours and TNA on recent droughts over Amazon forests and the Northeast Brazil region

Effect of coadministration of the GABA_B agonist baclofen and the 5-HT_2C agonist Ro60-0175 on the expression of amphetamine-induced locomotor sensitization

Mechanochemical Ablation is Associated with Higher Incidence of Deep Vein Thrombus Extension Than Thermal Techniques

Robotic-assisted laparoscopic median arcuate ligament release: 7-year experience from a single tertiary care center

Differentiation of Ecuadorian National and CCN‐51 cocoa beans and their mixtures by computer vision

Efficacy of Distal Perfusion Cannulae in Preventing Limb Ischemia During Extracorporeal Membrane Oxygenation: A Systematic Review and Meta‐Analysis

Vicarious Calibration of the Landsat 7 Thermal Infrared Band and LST Algorithm Validation of the ETM+ Instrument Using Three Global Atmospheric Profiles

Phase 3 evaluation of HP802‐247 in the treatment of chronic venous leg ulcers

Review of Thermal Infrared Applications and Requirements for Future High-Resolution Sensors

Pericarditis postraumática como manifestación del síndrome de lesión postcardiaca

Near-Real-Time Estimation of Water Vapor Column From MSG-SEVIRI Thermal Infrared Bands: Implications for Land Surface Temperature Retrieval

Observability of network-delayed multi-converter power systems

Recent trends on glacier area retreat over the group of Nevados Caullaraju-Pastoruri (Cordillera Blanca, Peru) using Landsat imagery

Nonlinear analysis of multi-converter power systems for microgrids

VESS25. Use of Intravascular Ultrasound (IVUS) and Catheter Venography in the Evaluation of Patients with Venous Thoracic Outlet Syndrome

Minimum configuration of thermal infrared bands for land surface temperature and emissivity estimation in the context of potential future missions

Simulation platform development for the analysis of power electronic converter systems with plant and network coupling

Land Surface Temperature Retrieval Methods From Landsat-8 Thermal Infrared Sensor Data

Temperature and Emissivity Separation From MSG/SEVIRI Data

Antibody and cytokine responses to Giardia excretory/secretory proteins in Giardia intestinalis-infected BALB/c mice

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