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Jezie A Acorda – One of the best experts on this subject based on the ideXlab platform.

  • Ultrasonographic Features of the Heart and Lungs of Captive Reticulated Pythons (Python reticulatus, Schneider 1801) (Reptilia: Squamata: Pythonidae) with Granulomatous Pneumonia and Myocarditis
    The Philippine Journal of Veterinary Medicine, 2017
    Co-Authors: Rizza Elaine B. Lampa, Jezie A Acorda, Emilia A. Lastica-ternura, Arville Mar Gregorio A. Pajas

    Abstract:

    Twelve adult reticulated pythons diagnosed with granulomatous pneumonia and myocarditis were utilized to examine the ultrasound features of the heart and lungs using an ultrasound machine equipped with a 6.5 MHz linear Array Scanner. B-mode and M-mode ultrasonograms were obtained and digital analysis was conducted to calculate the echo mean values. Echocardiographic features and echo mean values were determined and compared to data on apparently healthy reticulated pythons. Higher B-mode measurements of the left atrial internal diameter and circumference of pulmonary trunk, left aortic and right aortic arches were obtained. Higher M-mode values for amplitude measurements for left atrium, right atrium, sinus venosus, pulmonary trunk, left aortic artery, right aortic artery, cavum venosum and cavum arteriosum; and base measurements for all cardiac structures were also observed. Increased echo mean values indicated higher echogenicities of all the cardiac structures. Increased echocardiographic measurements were higher indicating pathologic changes. Echocardiography was found useful in detecting cardiac pathologic changes which can be associated with granulomatous pneumonia and myocarditis. Because of reverberations observed in all lung ultrasonograms, the study determined that ultrasonography cannot be used in detecting small lung lesions in cases of mild to moderate pneumonia. Key words: echocardiography, heart, lungs, pneumonia, reticulated pythons, ultrasound

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  • ULTRASONOGRAPHIC FINDINGS IN THE LIVER, GALLBLADDER AND KIDNEYS OF CAPTIVE RETICULATED PYTHONS ( Python reticulatus , SCHNEIDER, 1801) (REPTILIA: PYTHONIDAE) WITH PNEUMONIA
    Philippine Journal of Veterinary and Animal Sciences, 2016
    Co-Authors: Cherry Ann A. Samaniego, Jezie A Acorda, Emilia A. Lastica-ternura, Arville Mar Gregorio A. Pajas

    Abstract:

    Ultrasonography was performed using a 6.5 MHz linear Array Scanner in order to determine the ultrasonographic features of the liver, gallbladder and kidneys of 12 captive reticulated pythons with pneumonia in comparison with macroscopic findings. The organs were examined using an ultrasound machine equipped with a 6.5 MHz Scanner and echo mean values were calculated. The liver appeared elongated with a hypoechoic parenchyma and a large anechoic central hepatic vein with a hyperechoic wall. The gallbladder was observed as a large elliptical structure with a hypoechoic wall and an anechoic lumen. The kidneys appeared as hypoechoic granulated, elongated structures with the right kidney located more cranially than the left. No differences were observed between ultrasonographic and gross measurements of the different organs. Histogram analysis showed that there was a distinct increase in the Emean values of all structures, except the kidneys which showed decrease in Emean values. The results suggest that pneumonia causes changes in the echogenicity of the liver, gallbladder and kidneys in reticulated pythons. Keywords: echo mean, gallbladder, kidneys, liver, pneumonia, python, ultrasound

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  • ultrasound features and echo mean values of the heart liver and stomach in the philippine tarsier carlito syrichta linnaeus 1758 shekelle and groves 2010 mammalia primates tarsiidae
    The Philippine Journal of Veterinary Medicine, 2014
    Co-Authors: April May L Arcamogentica, Jezie A Acorda

    Abstract:

    The ultrasound features and echo mean values of the heart, liver and stomach of apparently healthy Philippine tarsiers (Carlito syrichta) were determined according to sex (4 males and 4 females), age (4 adults and 4 juveniles) and source (5 captive-bred and 3 wild) using an ultrasound machine equipped with a 7.5 MHz linear-Array Scanner. The heart appeared as an anechoic, rapidly contracting ovoid structure. Adults had significantly higher mean cardiac dimensions than juvenile tarsiers. Wild tarsiers had significantly higher echo mean values of the heart chamber than captive-bred animals. The liver appeared homogenously hypoechoic with some anechoic areas. The stomach had anechoic lumen with hyperechoic wall. Adults had significantly higher stomach mean length than juveniles but no significant differences in the echogenicity of the stomach lumen according to age, sex and source of tarsiers were observed. Results of the study could be used as baseline data for the ultrasound features of heart, liver, Philipp. Key words: digital analysis, heart, liver, Philippine tarsier, stomach, ultrasound

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Dennis K. Hore – One of the best experts on this subject based on the ideXlab platform.

  • Time Evolution of Bacterial Extracellular Polymer Composition Studied with a Versatile Infrared Transmission Array Scanner
    The Journal of Physical Chemistry C, 2019
    Co-Authors: Christopher D. Hennecker, Tasha A. Jarisz, Dennis K. Hore

    Abstract:

    The chemical composition of extracellular polymeric substances (EPSs) secreted by Escherichia coli K12 in solution was monitored as a function of time over various stages of bacterial growth. We ha…

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  • Time Evolution of Bacterial Extracellular
    Polymer Composition Studied with a Versatile Infrared Transmission
    Array Scanner
    , 2019
    Co-Authors: Christopher D. Hennecker, Tasha A. Jarisz, Dennis K. Hore

    Abstract:

    The chemical composition of extracellular
    polymeric substances (EPSs) secreted by Escherichia
    coli K12 in solution was monitored as a function of
    time over various stages of bacterial growth. We have observed that
    the spectra become enhanced at 1132 and 980 cm–1, which is attributed to an increasing fraction of uronic and nucleic
    acids within the polymer matrix. Both of these acidic molecules have
    been shown to sequester cations from solution to neutralize their
    negative charge. We discuss the implication for this composition profile
    change in terms of previously observed restructuring of interfacial
    water molecules during the earliest stages of bacterial adhesion.
    To monitor each fraction of EPS under the same conditions, we illustrate
    the design and operation of a high-throughput Array Scanner fitted
    to a Fourier transform infrared spectrometer

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Christopher D. Hennecker – One of the best experts on this subject based on the ideXlab platform.

  • Time Evolution of Bacterial Extracellular Polymer Composition Studied with a Versatile Infrared Transmission Array Scanner
    The Journal of Physical Chemistry C, 2019
    Co-Authors: Christopher D. Hennecker, Tasha A. Jarisz, Dennis K. Hore

    Abstract:

    The chemical composition of extracellular polymeric substances (EPSs) secreted by Escherichia coli K12 in solution was monitored as a function of time over various stages of bacterial growth. We ha…

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  • Time Evolution of Bacterial Extracellular
    Polymer Composition Studied with a Versatile Infrared Transmission
    Array Scanner
    , 2019
    Co-Authors: Christopher D. Hennecker, Tasha A. Jarisz, Dennis K. Hore

    Abstract:

    The chemical composition of extracellular
    polymeric substances (EPSs) secreted by Escherichia
    coli K12 in solution was monitored as a function of
    time over various stages of bacterial growth. We have observed that
    the spectra become enhanced at 1132 and 980 cm–1, which is attributed to an increasing fraction of uronic and nucleic
    acids within the polymer matrix. Both of these acidic molecules have
    been shown to sequester cations from solution to neutralize their
    negative charge. We discuss the implication for this composition profile
    change in terms of previously observed restructuring of interfacial
    water molecules during the earliest stages of bacterial adhesion.
    To monitor each fraction of EPS under the same conditions, we illustrate
    the design and operation of a high-throughput Array Scanner fitted
    to a Fourier transform infrared spectrometer

    Free Register to Access Article