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  1. Book: Echocardiography in pediatric and adult congenital heart disease

    Eidem, Benjamin W. / Lopez, Leo / Johnson, Jonathan N. / Cetta, Frank

    2021  

    Author's details edited by Benjamin W. Eidem, Jonathan N. Johnson, Leo Lopez, Frank Cetta
    Keywords Heart Defects, Congenital / diagnostic imaging ; Echocardiography / methods ; Multimodal Imaging / methods
    Language English
    Size xv, 796 Seiten, Illustrationen
    Edition Third edition
    Publisher Wolters Kluwer
    Publishing place Philadelphia
    Publishing country United States
    Document type Book
    Note Zugang zur Online-Ausgabe über Code
    HBZ-ID HT020696993
    ISBN 978-1-4963-9401-9 ; 1-4963-9401-1
    Database Catalogue ZB MED Medicine, Health

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    Shelf markLoan statusLocation
    2021 A 116 available for loan (reading room) Lesesaal EG
    Zugang zur Online-Ausgabe aus lizenzrechtlichen Gründen nicht verfügbar

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  2. Book ; Conference proceedings ; Online: Magnetic properties of ODP Site 191-1179 sediments, supplementary data to: Horner-Johnson, Benjamin C; Sager, William W (2004): Data report: Magnetic properties of ODP Leg 191 Site 1179 Sediments. In: Sager, WW; Kanazawa, T; Escutia, C (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 191, 1-19

    Horner-Johnson, Benjamin C / Sager, William W

    2004  

    Abstract: As reported by Shipboard Scientific Party (2001b, doi:10.2973/odp.proc.ir.191.104.2001) in the Site 1179 chapter of the Initial Reports volume, Leg 191 Site 1179 is located on abyssal seafloor northwest of Shatsky Rise, ~1650 km east of Japan. This part ... ...

    Abstract As reported by Shipboard Scientific Party (2001b, doi:10.2973/odp.proc.ir.191.104.2001) in the Site 1179 chapter of the Initial Reports volume, Leg 191 Site 1179 is located on abyssal seafloor northwest of Shatsky Rise, ~1650 km east of Japan. This part of the Pacific plate was formed during the Early Cretaceous, as shown by northeast-trending M-series magnetic lineations that become younger toward the northwest (Larson and Chase, 1972, doi:10.1130/0016-7606(1972)83[3627:LMEOTW]2.0.CO;2; Sager et al., 1988, doi:10.1029/JB093iB10p11753; Nakanishi et al., 1989, doi:10.1029/1999JB900002). The site is situated on magnetic Anomaly M8 (Nakanishi et al., 1999, doi:10.1029/1999JB900002), corresponding to an age of ~129 Ma and the Hauterivian stage of the Early Cretaceous (Gradstein et al., 1994, doi:10.1029/94JB01889; 1995).
    The sediments recovered at Site 1179 are split into four lithostratigraphic units based on composition and color (Shipboard Scientific Party, 2001b, doi:10.2973/odp.proc.ir.191.104.2001). Unit I (0-221.52 meters below seafloor [mbsf]) is a dominantly olive-gray clay- and radiolarian-bearing diatom ooze. Unit II (221.52-246.0 mbsf) is a yellowish brown to light brown clay-rich and diatom-bearing radiolarian ooze. Unit III (246.0-283.53 mbsf) is composed of brown pelagic clay. Unit IV (283.53-377.15 mbsf) is composed of chert and some porcellanite; any softer sediments present were washed out of the core barrel by the fluid circulating during the coring process.
    Language English
    Dates of publication 2004-9999
    Size Online-Ressource
    Publisher PANGAEA - Data Publisher for Earth & Environmental Science
    Publishing place Bremen/Bremerhaven
    Document type Book ; Conference proceedings ; Online
    Note This dataset is supplement to doi:10.2973/odp.proc.sr.191.008.2004
    DOI 10.1594/PANGAEA.779559
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  3. Book ; Conference proceedings ; Online: (Table T1) Paleomagnetic properties of ODP Hole 191-1179D basalts, supplementary data to: Sager, William W; Horner-Johnson, Benjamin C (2004): Paleomagnetism of basaltic rocks cored at ODP Site 1179: implications for mid-Cretaceous Pacific plate paleolatitude and paleomagnetic pole. In: Sager, WW; Kanazawa, T; Escutia, C (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 191, 1-20

    Sager, William W / Horner-Johnson, Benjamin C

    2004  

    Abstract: During Ocean Drilling Program Leg 191, ~100 m of mid-Cretaceous igneous crust was cored at Site 1179 (41.08°N, 159.96°E), located within magnetic Anomaly M8 on the abyssal plain of the northwest Pacific Ocean near Shatsky Rise. Paleomagnetic data from ... ...

    Abstract During Ocean Drilling Program Leg 191, ~100 m of mid-Cretaceous igneous crust was cored at Site 1179 (41.08°N, 159.96°E), located within magnetic Anomaly M8 on the abyssal plain of the northwest Pacific Ocean near Shatsky Rise. Paleomagnetic data from this section are significant because they can constrain the mid-Cretaceous Pacific plate paleolatitude and paleomagnetic pole, both of which can be used to infer tectonic drift and other geodynamic processes. In this study, we analyzed the paleomagnetism of 122 samples from 40 flows in the Site 1179 basalt section. Comparison of inclination data among flows implies 13 independent measurements of the paleomagnetic field. Assuming a reversed magnetic polarity because of the site location within Anomaly M8, the data give a mean paleocolatitude of 88.1° ± 6.8° (corresponding to a paleolatitude of 1.9°N). The paleocolatitude is consistent with other mid-Cretaceous Pacific paleomagnetic data that indicate ~39° northward drift of the western Pacific plate since mid-Cretaceous time. Comparison of observed between-flow colatitude variance with that expected from secular variation data suggests that secular variation may not have been completely averaged with the 13 independent groups sampled at Site 1179. Colatitude scatter in the section is markedly less in the deepest 33 m of the hole, indicating a shift from rapidly erupted flows in the bottom ~33 m of the section to more slowly emplaced flows above.
    Language English
    Dates of publication 2004-9999
    Size Online-Ressource
    Publisher PANGAEA - Data Publisher for Earth & Environmental Science
    Publishing place Bremen/Bremerhaven
    Document type Book ; Conference proceedings ; Online
    Note This dataset is supplement to doi:10.2973/odp.proc.sr.191.002.2004
    DOI 10.1594/PANGAEA.779525
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  4. Article ; Online: Workforce separation among ophthalmologists before and during the COVID-19 pandemic.

    Pan, Warren W / Young, Kelly Z / Johnson, Mark W / Young, Benjamin K

    Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie

    2023  Volume 262, Issue 3, Page(s) 1005–1007

    MeSH term(s) Humans ; COVID-19/epidemiology ; Ophthalmologists ; Pandemics
    Language English
    Publishing date 2023-09-20
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 8435-9
    ISSN 1435-702X ; 0721-832X
    ISSN (online) 1435-702X
    ISSN 0721-832X
    DOI 10.1007/s00417-023-06228-5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Measuring Phase and Symmetries in STEM-EELS.

    McMorran, Benjamin J / Johnson, Cameron W / Turner, Amy E

    Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada

    2023  Volume 29, Issue Supplement_1, Page(s) 374–375

    Language English
    Publishing date 2023-08-23
    Publishing country England
    Document type Journal Article
    ZDB-ID 1385710-1
    ISSN 1435-8115 ; 1431-9276
    ISSN (online) 1435-8115
    ISSN 1431-9276
    DOI 10.1093/micmic/ozad067.175
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Optical coherence tomography angular hyperreflectivity as an early sign in acute macular neuroretinopathy.

    Bommakanti, Nikhil / Young, Benjamin K / Johnson, Mark W / Miller, Jason M L

    Canadian journal of ophthalmology. Journal canadien d'ophtalmologie

    2023  Volume 58, Issue 6, Page(s) e272–e274

    MeSH term(s) Humans ; Tomography, Optical Coherence/methods ; Retinal Diseases/diagnosis ; Scotoma/diagnosis ; White Dot Syndromes ; Acute Disease ; Macula Lutea ; Fluorescein Angiography
    Language English
    Publishing date 2023-08-03
    Publishing country England
    Document type Letter
    ZDB-ID 80091-0
    ISSN 1715-3360 ; 0008-4182
    ISSN (online) 1715-3360
    ISSN 0008-4182
    DOI 10.1016/j.jcjo.2023.07.010
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Combining Nitrogen Isotopes and Redox Proxies Strengthens Paleoenvironmental Interpretations

    Benjamin W. Johnson / Colin Mettam / Simon W. Poulton

    Frontiers in Earth Science, Vol

    Examples From Neoproterozoic Snowball Earth Sediments

    2022  Volume 10

    Abstract: The history of the nitrogen cycle on Earth is linked to the redox evolution of the surface environment. Many nitrogen cycle fluxes are microbially mediated, and the particular fluxes operating at any given time in an ecosystem depend on the presence, ... ...

    Abstract The history of the nitrogen cycle on Earth is linked to the redox evolution of the surface environment. Many nitrogen cycle fluxes are microbially mediated, and the particular fluxes operating at any given time in an ecosystem depend on the presence, absence or abundance of oxygen. However, interpreting this relationship is complicated as several isotopic fractionations associated with N-cycling are not diagnostic of a particular redox state. Thus, linking nitrogen isotopic analyses with redox-sensitive proxies is essential when interpretating past environments. Specifically, we use concentrations of U, V and Mo, along with Fe-speciation, to augment and contextualize nitrogen isotopic measurements. As an example, we consider samples from the Neoproterozoic Cryogenian period to suggest that there was oxygenated water, with associated aerobic N cycle fluxes. This interpretation is based on positive δ15N values between 4 to 80/00, Fe-speciation data consistent with anoxic bottom water during the Snowball ocean and oxygenated after, and redox-sensitive trace metals indicative of oxic weathering and surface water. Typically, high δ15N values are interpreted to reflect enhanced denitrification. We propose potential causes including a post-Snowball freshwater melt lid that suppressed deep water ventilation and that denitrification occurred more rapidly at high temperatures after the Snowball. These interpretations are buttressed by combined N isotope and redox analyses. This approach is especially useful during times of dynamic redox in the ocean-atmosphere system to interpret biologic isotopic signals.
    Keywords nitrogen ; isotope ; Neoproterozoic ; redox ; Snowball Earth ; Science ; Q
    Subject code 550 ; 500
    Language English
    Publishing date 2022-06-01T00:00:00Z
    Publisher Frontiers Media S.A.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: Response to "Comment on: Perspective: A Caveat About Financial Incentives For Anti-Vascular Endothelial Growth Factor Therapy For Diabetic Retinopathy".

    Young, Benjamin K / Hwang, Min / Johnson, Mark W / Besirli, Cagri G / Wubben, Thomas J

    American journal of ophthalmology

    2023  Volume 250, Page(s) 188–189

    MeSH term(s) Humans ; Diabetic Retinopathy ; Endothelial Growth Factors ; Motivation ; Vascular Endothelial Growth Factor A ; Vitreous Body/metabolism ; Diabetes Mellitus
    Chemical Substances Endothelial Growth Factors ; Vascular Endothelial Growth Factor A
    Language English
    Publishing date 2023-03-02
    Publishing country United States
    Document type Letter ; Comment
    ZDB-ID 80030-2
    ISSN 1879-1891 ; 0002-9394
    ISSN (online) 1879-1891
    ISSN 0002-9394
    DOI 10.1016/j.ajo.2023.02.015
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  9. Article ; Online: Reply to Comment on: "A Caveat about Financial Incentives for Anti-Vascular Endothelial Growth Factor Therapy for Diabetic Retinopathy".

    Young, Benjamin K / Hwang, Min / Johnson, Mark W / Besirli, Cagri G / Wubben, Thomas J

    American journal of ophthalmology

    2023  Volume 250, Page(s) 192–193

    MeSH term(s) Humans ; Diabetic Retinopathy ; Endothelial Growth Factors ; Motivation ; Vascular Endothelial Growth Factor A ; Vitreous Body/metabolism ; Diabetes Mellitus
    Chemical Substances Endothelial Growth Factors ; Vascular Endothelial Growth Factor A
    Language English
    Publishing date 2023-01-17
    Publishing country United States
    Document type Letter ; Comment
    ZDB-ID 80030-2
    ISSN 1879-1891 ; 0002-9394
    ISSN (online) 1879-1891
    ISSN 0002-9394
    DOI 10.1016/j.ajo.2023.01.009
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  10. Article ; Online: Hemorrhagic Occlusive Retinal Vasculitis Associated With Triamcinolone-Moxifloxacin Use During Uncomplicated Cataract Surgery.

    Pan, Warren W / Miller, Andrew R / Young, Benjamin K / Johnson, Mark W / Sassalos, Thérèse M

    JAMA ophthalmology

    2022  

    Language English
    Publishing date 2022-11-10
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2701705-9
    ISSN 2168-6173 ; 2168-6165
    ISSN (online) 2168-6173
    ISSN 2168-6165
    DOI 10.1001/jamaophthalmol.2022.4697
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