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  1. Article: Erratum: Shock-synthesized quasicrystals. Corrigendum.

    Németh, Péter

    IUCrJ

    2021  Volume 8, Issue Pt 2, Page(s) 330

    Abstract: This corrects the article DOI: 10.1107/S2052252520005254.]. ...

    Abstract [This corrects the article DOI: 10.1107/S2052252520005254.].
    Language English
    Publishing date 2021-02-06
    Publishing country England
    Document type Published Erratum
    ZDB-ID 2754953-7
    ISSN 2052-2525
    ISSN 2052-2525
    DOI 10.1107/S2052252521000907
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Shock-synthesized quasicrystals.

    Németh, Péter

    IUCrJ

    2020  Volume 7, Issue Pt 3, Page(s) 368–369

    Abstract: Quasicrystals (QCs) are unique materials, whose crystallographic identity has been controversial for many years. Using recent advances in shock synthesis, ... ...

    Abstract Quasicrystals (QCs) are unique materials, whose crystallographic identity has been controversial for many years. Using recent advances in shock synthesis, Hu
    Language English
    Publishing date 2020-04-23
    Publishing country England
    Document type Journal Article
    ZDB-ID 2754953-7
    ISSN 2052-2525
    ISSN 2052-2525
    DOI 10.1107/S2052252520005254
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Questionable lonsdaleite identification in ureilite meteorites.

    Németh, Péter / Garvie, Laurence A J

    Proceedings of the National Academy of Sciences of the United States of America

    2023  Volume 120, Issue 20, Page(s) e2304890120

    Language English
    Publishing date 2023-05-08
    Publishing country United States
    Document type Letter
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.2304890120
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1148: Show issues Location:
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    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  4. Article ; Online: Editorial:

    Tan, Songwen / Nemeth, Peter

    Pathology oncology research : POR

    2023  Volume 29, Page(s) 1611196

    Language English
    Publishing date 2023-04-04
    Publishing country Switzerland
    Document type Editorial
    ZDB-ID 1375979-6
    ISSN 1532-2807 ; 1219-4956
    ISSN (online) 1532-2807
    ISSN 1219-4956
    DOI 10.3389/pore.2023.1611196
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 4936: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  5. Article ; Online: Canyon Diablo lonsdaleite is a nanocomposite containing c/h stacking disordered diamond and diaphite.

    Németh, Péter / Garvie, Laurence A J / Salzmann, Christoph G

    Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

    2023  Volume 381, Issue 2259, Page(s) 20220344

    Abstract: In 1967, a diamond polymorph was reported from hard, diamond-like grains of the Canyon Diablo iron meteorite and named lonsdaleite. This mineral was defined and identified by powder X-ray diffraction (XRD) features that were indexed with a hexagonal unit ...

    Abstract In 1967, a diamond polymorph was reported from hard, diamond-like grains of the Canyon Diablo iron meteorite and named lonsdaleite. This mineral was defined and identified by powder X-ray diffraction (XRD) features that were indexed with a hexagonal unit cell. Since 1967, several natural and synthetic diamond-like materials with XRD data matching lonsdaleite have been reported and the name lonsdaleite was used interchangeably with hexagonal diamond. Its hexagonal structure was speculated to lead to physical properties superior to cubic diamond, and as such has stimulated attempts to synthesize lonsdaleite. Despite numerous reports, several recent studies have provided alternative explanations for the XRD, transmission electron microscopy and Raman data used to identify lonsdaleite. Here, we show that lonsdaleite from the Canyon Diablo diamond-like grains are a nanocomposite material dominated by subnanometre-scale cubic/hexagonal stacking disordered diamond and diaphite domains. These nanostructured elements are intimately intergrown, giving rise to structural features erroneously associated with h diamond. Our data suggest that the diffuse scattering in XRD and the hexagonal features in transmission electron microscopy images reported from various natural and laboratory-prepared samples that were previously used for lonsdaleite identification, in fact arise from cubic/hexagonal stacking disordered diamond and diaphite domains. This article is part of the theme issue 'Exploring the length scales, timescales and chemistry of challenging materials (Part 2)'.
    Language English
    Publishing date 2023-09-11
    Publishing country England
    Document type Journal Article
    ZDB-ID 208381-4
    ISSN 1471-2962 ; 0080-4614 ; 0264-3820 ; 0264-3952 ; 1364-503X
    ISSN (online) 1471-2962
    ISSN 0080-4614 ; 0264-3820 ; 0264-3952 ; 1364-503X
    DOI 10.1098/rsta.2022.0344
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 4' 46/25: Show issues
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  6. Article ; Online: Calcium carbonate precipitating extremophilic bacteria in an Alpine ice cave.

    Lange-Enyedi, Nóra Tünde / Németh, Péter / Borsodi, Andrea K / Spötl, Christoph / Makk, Judit

    Scientific reports

    2024  Volume 14, Issue 1, Page(s) 2710

    Abstract: Extensive research has provided a wealth of data on prokaryotes in caves and their role in biogeochemical cycles. Ice caves in carbonate rocks, however, remain enigmatic environments with limited knowledge of their microbial taxonomic composition. In ... ...

    Abstract Extensive research has provided a wealth of data on prokaryotes in caves and their role in biogeochemical cycles. Ice caves in carbonate rocks, however, remain enigmatic environments with limited knowledge of their microbial taxonomic composition. In this study, bacterial and archaeal communities of the Obstans Ice Cave (Carnic Alps, Southern Austria) were analyzed by next-generation amplicon sequencing and by cultivation of bacterial strains at 10 °C and studying their metabolism. The most abundant bacterial taxa were uncultured Burkholderiaceae and Brevundimonas spp. in the drip water, Flavobacterium, Alkanindiges and Polaromonas spp. in the ice, Pseudonocardia, Blastocatella spp., uncultured Pyrinomonadaceae and Sphingomonadaceae in carbonate precipitates, and uncultured Gemmatimonadaceae and Longimicrobiaceae in clastic cave sediments. These taxa are psychrotolerant/psychrophilic and chemoorganotrophic bacteria. On a medium with Mg
    MeSH term(s) Archaea/classification ; Bacteria/classification ; Calcium Carbonate/metabolism ; Ice ; Phylogeny ; Extremophiles/classification
    Chemical Substances Calcium Carbonate (H0G9379FGK) ; Ice
    Language English
    Publishing date 2024-02-01
    Publishing country England
    Document type Journal Article
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-024-53131-y
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: An exceptionally stable and widespread hydrated amorphous calcium carbonate precipitated by the dog vomit slime mold Fuligo septica (Myxogastria).

    Garvie, Laurence A J / Németh, Péter / Trif, László

    Scientific reports

    2022  Volume 12, Issue 1, Page(s) 3642

    Abstract: Biogenic amorphous calcium carbonate (ACC) is typically metastable and can rapidly transform through aging, dehydration, and/or heating to crystalline calcium carbonate. Gaining insight into its structure and properties is typically hampered by its ... ...

    Abstract Biogenic amorphous calcium carbonate (ACC) is typically metastable and can rapidly transform through aging, dehydration, and/or heating to crystalline calcium carbonate. Gaining insight into its structure and properties is typically hampered by its tendency to crystallize over short time periods once isolated from the host organism, and also by the small quantities that are usually available for study. Here we describe an exceptionally stable hydrated ACC (HACC) precipitated by the cosmopolitan slime mold Fuligo septica (L.) F.H. Wigg. (1780). A single slime mold can precipitate up to a gram of HACC over the course of one night. Powder x-ray diffraction (XRD) patterns, transmission electron microscopy images, infrared absorption spectra, together with the lack of optical birefringence are consistent with an amorphous material. XRD simulations, supported by thermogravimetric and evolved gas analysis data, are consistent with an intimate association of organic matter with ~ 1-nm-sized ACC units that have monohydrocalcite- and calcite-like nano-structural properties. It is postulated that this association imparts the extreme stability of the slime mold HACC by inhibiting loss of H
    MeSH term(s) Animals ; Calcium Carbonate/chemistry ; Chemical Phenomena ; Crystallization ; Dogs ; Myxomycetes/chemistry ; Physarida/chemistry ; X-Ray Diffraction
    Chemical Substances Calcium Carbonate (H0G9379FGK)
    Language English
    Publishing date 2022-03-07
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-022-07648-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Complexity of the Immune Response Elicited by Different COVID-19 Vaccines, in the Light of Natural Autoantibodies and Immunomodulatory Therapies.

    Böröcz, Katalin / Kinyó, Ágnes / Simon, Diana / Erdő-Bonyár, Szabina / Németh, Péter / Berki, Timea

    International journal of molecular sciences

    2023  Volume 24, Issue 7

    Abstract: Despite the abundance of data on the COVID-19 vaccine-induced immune activation, the impact of natural autoantibodies (nAAbs) on these processes is less well defined. Therefore, we investigated potential connections between vaccine efficacy and nAAb ... ...

    Abstract Despite the abundance of data on the COVID-19 vaccine-induced immune activation, the impact of natural autoantibodies (nAAbs) on these processes is less well defined. Therefore, we investigated potential connections between vaccine efficacy and nAAb levels. We were also interested in the impact of immunomodulatory therapies on vaccine efficacy. Clinical residual samples were used for the assessment of the COVID-19 vaccine-elicited immune response (IR) (n=255), as well as for the investigation of the immunization-associated expansion of the nAAb pool (n=185). In order to study the potential interaction between immunomodulatory therapies and the vaccine-induced IR, untreated, healthy individuals and patients receiving anti-TNFα or anti-IL-17 therapies were compared (n total =45). In-house ELISAs (anticitrate synthase, anti-HSP60 and-70) and commercial ELISAs (anti-SARS-CoV-2 ELISAs IgG, IgA, NeutraLISA and IFN-γ release assay 'IGRA') were applied. We found significant differences in the IR given to different vaccines. Moreover, nAAb levels showed plasticity in response to anti-COVID-19 immunization. We conclude that our findings may support the theorem about the non-specific beneficial 'side effects' of vaccination, including the broadening of the nAAb repertoire. Considering immunomodulation, we suggest that anti-TNFα and anti-IL17 treatments may interfere negatively with MALT-associated IR, manifested as decreased IgA titers; however, the modest sample numbers of the herein presented model might be a limiting factor of reaching a more comprehensive conclusion.
    MeSH term(s) Humans ; COVID-19 Vaccines ; COVID-19 ; Immunoglobulin G ; Vaccination ; Antibodies, Viral ; Autoantibodies ; Immunomodulation ; Immunity ; Immunoglobulin A
    Chemical Substances COVID-19 Vaccines ; Immunoglobulin G ; Antibodies, Viral ; Autoantibodies ; Immunoglobulin A
    Language English
    Publishing date 2023-03-29
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms24076439
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Bacterial Engulfment Mechanism Is Strongly Conserved in Evolution Between Earthworm and Human Immune Cells.

    Kokhanyuk, Bohdana / Bodó, Kornélia / Sétáló, György / Németh, Péter / Engelmann, Péter

    Frontiers in immunology

    2021  Volume 12, Page(s) 733541

    Abstract: Invertebrates, including earthworms, are applied to study the evolutionarily conserved cellular immune processes. Earthworm immunocytes (so-called coelomocytes) are functionally similar to vertebrate myeloid cells and form the first line of defense ... ...

    Abstract Invertebrates, including earthworms, are applied to study the evolutionarily conserved cellular immune processes. Earthworm immunocytes (so-called coelomocytes) are functionally similar to vertebrate myeloid cells and form the first line of defense against invading pathogens. Hereby, we compared the engulfment mechanisms of THP-1 human monocytic cells, differentiated THP-1 (macrophage-like) cells, and
    MeSH term(s) Amantadine/pharmacology ; Animals ; Biological Evolution ; Cell Differentiation ; Endocytosis ; Escherichia coli/physiology ; Escherichia coli Infections/immunology ; Humans ; Immunity, Cellular ; Immunity, Innate ; Macrophages/physiology ; Oligochaeta ; Staphylococcal Infections/immunology ; Staphylococcus aureus/physiology ; THP-1 Cells
    Chemical Substances Amantadine (BF4C9Z1J53)
    Language English
    Publishing date 2021-09-01
    Publishing country Switzerland
    Document type Comparative Study ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2606827-8
    ISSN 1664-3224 ; 1664-3224
    ISSN (online) 1664-3224
    ISSN 1664-3224
    DOI 10.3389/fimmu.2021.733541
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Dynamic Features of Herd Immunity: Similarities in Age-Specific Anti-Measles Seroprevalence Data between Two Countries of Different Epidemiological History.

    Böröcz, Katalin / Samardžić, Senka / Drenjančević, Ines / Markovics, Ákos / Berki, Tímea / Németh, Péter

    Journal of clinical medicine

    2022  Volume 11, Issue 4

    Abstract: 1) Background: Measles immunization gap(s) raise the concern of potential outbreaks. Both Croatia and Hungary are situated in the vicinity of measles-endemic countries. Potentially compromised immunization activities due to the COVID-19 surge is a ... ...

    Abstract (1) Background: Measles immunization gap(s) raise the concern of potential outbreaks. Both Croatia and Hungary are situated in the vicinity of measles-endemic countries. Potentially compromised immunization activities due to the COVID-19 surge is a ground for concern. Our aim was to compare age-stratified seroprevalence results in the cross-border region. (2) Methods: Anti-MMR specific antibody levels (IgG) of 950 anonymous Croatian samples were compared with previous Hungarian results (
    Language English
    Publishing date 2022-02-21
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm11041145
    Database MEDical Literature Analysis and Retrieval System OnLINE

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