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  • Health Protection Using Clay Minerals: A Case Study Based on the Removal of BPA and BPS from Water

  • Giora Rytwo, Shem Levy, Yuval Shahar, Ido Lotan, Arye Lev Zelkind, Tomer Klein, Chen Barak
  • Journal:
    Clays and Clay Minerals / Volume 69 / Issue 5 / October 2021
    Published online by Cambridge University Press:
    01 January 2024, pp. 641-653

  • Anthropogenic activity releases hazardous contaminants and pollutants that are not removed fully by water treatments. Among such pollutants, bisphenol-A (BPA) and bisphenol-S (BPS) are included in a series of Endocrine Disruptive Compounds, which may cause disruption due to hormone blockage or mimicking. Thus, even though those pollutants are not considered lethal, they are hazardous to health due to their similarity to 17β-estradiol, and they have been shown to cause developmental malformation in Zebrafish and breast and prostate tumors in rodents. Both BPA and BPS have been found in water sources at concentrations >30 μg L–1 and since water treatment plants are ineffective at removing them, their concentration is constantly increasing. The purpose of the present study, using a collection of experiments performed by B.Sc. and M.Sc. students, was to apply clay-based materials to the removal of such health hazards from water. Specifically adapted modified clays as neutral organoclays can optimize the interaction between pollutants and the matrix to achieve efficient adsorption. Such an approach is very effective for relatively insoluble pollutants such as BPA, but less so for the more soluble BPS. On the other hand, BPS can be photodegraded catalytically using raw clay or TiO2-impregnated clay. At low catalyst concentration, the modified clay was as effective as a commercial TiO2 catalyst, whereas combining it with H2O2 yielded considerably better results. In summary, clay minerals offer solutions for the removal of health-hazardous pollutants from water, based on different procedures and mechanisms. The versality of clay minerals allows 'tailoring' specifically adapted materials that might improve their efficiency based on such very specific pollutant-matrix interactions.

  • Acknowledgments

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp xi-xi
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  • Figures

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp vii-viii
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  • General Index

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp 386-395
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  • Part III - Ethnicity and Identity in the Roman Empire

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp 167-272
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  • Abbreviations

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp xii-xiv
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  • Introduction

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp 1-14
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  • Summary

    When Greek historians turned their attention to the Roman Empire, the main question they sought to answer, which they displayed prominently in their introductions, was the reason for the success of the Empire. Success was defined in terms of acquisition, extent, stability and duration of conquest. Polybius, although not the first Greek historian of Rome, was perhaps the first to formulate the question, which he stated like a banner in the introduction to his complex work: his purpose was to explain ‘by what means and under what system of government the Romans succeeded in less than fifty-three years in bringing under their rule almost the whole of the inhabited world, an achievement which is without parallel in human history’. A century later, Dionysius of Halicarnassus did Polybius one better by adding duration of rule to Rome’s achievement: ‘the supremacy of the Romans has far surpassed all those that are recorded from earlier times, not only in the extent of its dominion and in the splendor of its achievements – which no account has as yet worthily celebrated – but also in the length of time during which it has endured down to our day’; and his long preface is filled with other such proclamations. In the second century CE, Appian of Alexandria wrote the same idea in less florid prose: ‘No ruling power up to the present time ever achieved such size and duration’, after stating which he embarked on a long proof. These three historians are representative of a prevailing trend.

  • Part II - Culture and Identity in the Roman Empire

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp 85-166
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  • Contributors

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp ix-x
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  • Copyright page

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp iv-iv
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  • Part IV - Iudaea/Palaestina

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp 273-331
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  • 14 - The Good, the Bad and the Middling

  • from Part III - Ethnicity and Identity in the Roman Empire
  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp 239-259
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  • Summary

    Talmudic literature, throughout all its chronological phases, relates to various Roman emperors. Nine emperors are mentioned explicitly by name, and among these are six who are especially notable, from three different periods. First, the period of the major Jewish revolts: Vespasian and Titus are mentioned for the War of the Destruction of the Temple, Trajan for the Diaspora revolts and Hadrian for the Bar Kochba Revolt. These are the “wicked” emperors of Talmudic literature, with Hadrian presented as the worst of all. Second, the golden age of relations between Judaea and Rome in the Severan period: “Antoninus,” usually identified with Caracalla, is presented as the “good” emperor par excellence. Finally, in the middle of the scale between the “wicked” and the “good” emperors we find Diocletian, the interesting emperor whose presence is strongly felt, as he was responsible for the development of the whole region.

  • Index Locorum

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp 396-410
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  • Reviews

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp ii-ii
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  • Part I - Ethnicity and Identity in the Roman Empire

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp 15-84
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  • Contents

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp v-vi
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  • Additional material

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp xv-xvi
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  • Bibliography

  • Edited by Jonathan J. Price, Tel-Aviv University, Margalit Finkelberg, Tel-Aviv University, Yuval Shahar, Tel-Aviv University
  • Book:
    Rome: An Empire of Many Nations
    Published online:
    14 April 2022
    Print publication:
    21 April 2022, pp 332-385
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Rome: An Empire of Many Nations
  • New Perspectives on Ethnic Diversity and Cultural Identity
  • 2nd edition
  • Edited by Jonathan J. Price, Margalit Finkelberg, Yuval Shahar
  • Published online:
    14 April 2022
    Print publication:
    21 April 2022
  • The center of gravity in Roman studies has shifted far from the upper echelons of government and administration in Rome or the Emperor's court to the provinces and the individual. The multi-disciplinary studies presented in this volume reflect the turn in Roman history to the identities of ethnic groups and even single individuals who lived in Rome's vast multinational empire. The purpose is less to discover another element in the Roman Empire's 'success' in governance than to illuminate the variety of individual experience in its own terms. The chapters here, reflecting a wide spectrum of professional expertise, range across the many cultures, languages, religions and literatures of the Roman Empire, with a special focus on the Jews as a test-case for the larger issues. This title is also available as Open Access on Cambridge Core.

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