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  1. Article: Zinc Acetate Hydrate Supplementation versus Polaprezinc Supplementation for Improving Hypozincemia in Hemodialysis Patients: A Randomized Clinical Trial.

    Kumagai, Etsuko / Furumachi, Kazuhiro / Kurihara, Akihiro / Hosokawa, Ken / Hosohata, Keiko / Takai, Shinji

    International journal of nephrology

    2023  Volume 2023, Page(s) 2403755

    Abstract: Zinc supplementation may ameliorate zinc deficiency in maintenance hemodialysis patients; however, no standard protocol has been established. This study aimed to investigate the effects of zinc acetate hydrate (ZAH) and polaprezinc (PPZ) as zinc ... ...

    Abstract Zinc supplementation may ameliorate zinc deficiency in maintenance hemodialysis patients; however, no standard protocol has been established. This study aimed to investigate the effects of zinc acetate hydrate (ZAH) and polaprezinc (PPZ) as zinc supplements in hemodialysis patients. We enrolled 75 hemodialysis patients with serum zinc levels <60
    Language English
    Publishing date 2023-10-05
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2573904-9
    ISSN 2090-2158 ; 2090-214X
    ISSN (online) 2090-2158
    ISSN 2090-214X
    DOI 10.1155/2023/2403755
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Nitrogenase activity (acetylene reduction) of an iron-oxidizing leptospirillum strain cultured as a pioneer microbe from a recent volcanic deposit on miyake-jima, Japan.

    Sato, Yoshinori / Hosokawa, Ken / Fujimura, Reiko / Nishizawa, Tomoyasu / Kamijo, Takashi / Ohta, Hiroyuki

    Microbes and environments

    2011  Volume 24, Issue 4, Page(s) 291–296

    Abstract: The genus Leptospirillum is known to dominate acid mine drainage and bioleaching systems. In this paper, we describe the isolation of iron-oxidizing bacteria closely related to Leptospirillum ferrooxidans from an acidic volcanic ash deposit on the island ...

    Abstract The genus Leptospirillum is known to dominate acid mine drainage and bioleaching systems. In this paper, we describe the isolation of iron-oxidizing bacteria closely related to Leptospirillum ferrooxidans from an acidic volcanic ash deposit on the island of Miyake (Miyake-jima), Japan. We further show the nitrogenase activity (acetylene reduction) for one (strain C2-1) of the isolates. The deposit harbored 1.2×10(8) total direct count (g dry weight)(-1) and 7.1×10(5) (most-probable-number, MPN) (g dry weight)(-1) of iron-oxidizer. A ferrous iron-limited, aerobic chemostat culture using Leptospirillum HH medium (pH 1.8) was performed to select and isolate the Leptospirillum group. Nine isolates were regarded as pure cultures based on uniform colony morphology on Fe(2+)-containing silica gel plates and absence of growth on 100-fold diluted nutrient broth plates. Six strains examined further shared 99.9-100% identity in 16S rRNA gene sequence with each other. Homology-based searches showed that all of the strains belonged to the Leptospirillum ferrooxidans clade. Strain C2-1 grown in ammonium sulfate-free Leptospirillum HH medium (pH 1.8) showed an initial rate of acetylene reduction of 58 μmol h(-1) (g cell carbon)(-1).
    Language English
    Publishing date 2011-05-12
    Publishing country Japan
    Document type Journal Article
    ISSN 1342-6311
    ISSN 1342-6311
    DOI 10.1264/jsme2.me09139
    Database MEDical Literature Analysis and Retrieval System OnLINE

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