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  1. Article: India in the pandemic age.

    Guha, Sumit

    Indian economic review

    2020  Volume 55, Issue Suppl 1, Page(s) 13–30

    Abstract: COVID-19 is only the latest in a series of global pandemics that began when the world of disease was united by the establishment of intensive connections by sea after 1500. India was a major participant in this process. A pandemic has both direct and ... ...

    Abstract COVID-19 is only the latest in a series of global pandemics that began when the world of disease was united by the establishment of intensive connections by sea after 1500. India was a major participant in this process. A pandemic has both direct and indirect effects. Human reactions to mass illness both mitigate and enhance these effects. The networks of transmission are paralleled by networks of private and public information. But aggregated information only becomes available as governmental information systems take shape. This article explains the use of quarantine as emerging from both. It then explains why it was introduced to India only after 1800. It then looks at three great pandemics: cholera, bubonic plague and lethal influenza and governmental and societal responses to each of these. The article analyses the subsidence of pandemics into chronic presences ('background') that nonetheless contributed significantly ill-health, poverty and early death for hundreds of millions. But there is a paradox after Independence. Successful state action in independent India was nevertheless accompanied by the effective collapse of government information systems. This contributed to the massive economic damage from what should have been a minor episode of plague in 1994. The article thus reviews what we know about the effects of the pandemic, epidemic and chronic background phenomena on the economic life of Indian sub-continent through the past 500 years.
    Keywords covid19
    Language English
    Publishing date 2020-08-14
    Publishing country India
    Document type Journal Article
    ZDB-ID 2658831-6
    ISSN 2520-1778 ; 0019-4670
    ISSN (online) 2520-1778
    ISSN 0019-4670
    DOI 10.1007/s41775-020-00088-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Book: Health and population in South Asia

    Guha, Sumit

    from earliest times to the present

    2001  

    Author's details Sumit Guha
    Language English
    Size VI, 178 S. : Kt.
    Publisher Permanent Black
    Publishing place New Delhi
    Publishing country India
    Document type Book
    HBZ-ID HT013082457
    ISBN 81-7824-004-1 ; 978-81-7824-004-6
    Database Catalogue ZB MED Medicine, Health

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    In stock of ZB MED Cologne/Königswinter

    Shelf markLoan statusLocation
    2001 A 4683 order for loan Magazin

    Order via subito

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  3. Article: India in the pandemic age

    Guha, Sumit

    Indian Econ Rev

    Abstract: COVID-19 is only the latest in a series of global pandemics that began when the world of disease was united by the establishment of intensive connections by sea after 1500. India was a major participant in this process. A pandemic has both direct and ... ...

    Abstract COVID-19 is only the latest in a series of global pandemics that began when the world of disease was united by the establishment of intensive connections by sea after 1500. India was a major participant in this process. A pandemic has both direct and indirect effects. Human reactions to mass illness both mitigate and enhance these effects. The networks of transmission are paralleled by networks of private and public information. But aggregated information only becomes available as governmental information systems take shape. This article explains the use of quarantine as emerging from both. It then explains why it was introduced to India only after 1800. It then looks at three great pandemics: cholera, bubonic plague and lethal influenza and governmental and societal responses to each of these. The article analyses the subsidence of pandemics into chronic presences ('background') that nonetheless contributed significantly ill-health, poverty and early death for hundreds of millions. But there is a paradox after Independence. Successful state action in independent India was nevertheless accompanied by the effective collapse of government information systems. This contributed to the massive economic damage from what should have been a minor episode of plague in 1994. The article thus reviews what we know about the effects of the pandemic, epidemic and chronic background phenomena on the economic life of Indian sub-continent through the past 500 years.
    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #718031
    Database COVID19

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  4. Book: Growth, stagnation or decline?

    Guha, Sumit

    agricultural productivity in British India

    (Oxford in India readings : Themes in Indian history)

    1992  

    Author's details ed. by Sumit Guha
    Series title Oxford in India readings : Themes in Indian history
    Keywords Indien ; Agrarproduktion ; Effizienz ; Landwirtschaftsentwicklung ; Geschichte 1886-1947
    Subject Landwirtschaft ; Landwirtschaftliche Entwicklung ; Agrarentwicklung ; Integrierte landwirtschaftliche Entwicklung ; Kosteneffizienz ; Landwirtschaftliche Erzeugung ; Landwirtschaftliche Produktion
    Language English
    Size 288 S. : graph. Darst.
    Publisher Oxford Univ. Press
    Publishing place Delhi u.a.
    Publishing country Great Britain
    Document type Book
    HBZ-ID HT004950708
    ISBN 0-19-563019-X ; 978-0-19-563019-0
    Database Catalogue ZB MED Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Shelf markLoan statusLocation
    938/1963 available for loan (reading room) Freihandmagazin (U1)

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  5. Article ; Online: Facile water oxidation by dinuclear mixed-valence Co

    Dey, Atanu / Guha, Anku / Kumar, Vierandra / Bawari, Sumit / Narayanan, Tharangattu N / Chandrasekhar, Vadapalli

    Dalton transactions (Cambridge, England : 2003)

    2021  Volume 50, Issue 40, Page(s) 14257–14263

    Abstract: Rational design of a catalyst using earth abundant transition metals that can facilitate the smooth O-O bond formation is crucial for developing efficient water oxidation catalysts. The coordination environment around the metal ion of the catalyst plays ... ...

    Abstract Rational design of a catalyst using earth abundant transition metals that can facilitate the smooth O-O bond formation is crucial for developing efficient water oxidation catalysts. The coordination environment around the metal ion of the catalyst plays a pivotal role in this context. We have chosen dinuclear mixed-valence Co
    Language English
    Publishing date 2021-10-19
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472887-4
    ISSN 1477-9234 ; 1364-5447 ; 0300-9246 ; 1477-9226
    ISSN (online) 1477-9234 ; 1364-5447
    ISSN 0300-9246 ; 1477-9226
    DOI 10.1039/d1dt01910d
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Book: Beyond caste

    Guha, Sumit

    identity and power in South Asia, past and present

    (Brill's indological library ; 44)

    2013  

    Author's details by Sumit Guha
    Series title Brill's indological library ; 44
    Keywords Caste/History ; Group identity/History ; Power (Social sciences)/History
    Language English
    Size XVIII, 236 S, Kt
    Publisher Brill
    Publishing place Leiden u.a.
    Document type Book
    Note Includes bibliographical references and index
    ISBN 9789004249189 ; 9789004254855 ; 9004249184 ; 9004254854
    Database Former special subject collection: coastal and deep sea fishing

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  7. Book ; Online: Beyond Caste

    Guha, Sumit

    Identity and Power in South Asia, Past and Present

    (Brill's Indological Library ; 44)

    2013  

    Abstract: Beyond Caste traces the many changes South Asian society through the centuries and shows how 'caste' should be understood as a politically inflected and complex form of ethnic stratification that persisted across religious ... ...

    Series title Brill's Indological Library ; 44
    Abstract Beyond Caste traces the many changes South Asian society through the centuries and shows how 'caste' should be understood as a politically inflected and complex form of ethnic stratification that persisted across religious affiliations
    Language English
    Size Online-Ressource (256 p)
    Publisher BRILL
    Publishing place Leiden
    Document type Book ; Online
    Note Description based upon print version of record
    ISBN 9789004249189 ; 9004249184
    DOI 10.1163/9789004254855
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  8. Article ; Online: 2022 American Gastroenterological Association-Center for Gastrointestinal Innovation and Technology Tech Summit.

    Shah, Eric D / Sethi, Amrita / Thaker, Adarsh M / Schulman, Allison R / Guha, Sushovan / Samarasena, Jason / Mathews, Simon / Komanduri, Srinadh

    Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association

    2022  Volume 21, Issue 2, Page(s) 245–249

    MeSH term(s) United States ; Humans ; Technology ; Gastroenterology ; Gastrointestinal Tract
    Language English
    Publishing date 2022-09-13
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2119789-1
    ISSN 1542-7714 ; 1542-3565
    ISSN (online) 1542-7714
    ISSN 1542-3565
    DOI 10.1016/j.cgh.2022.08.045
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 5836: 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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  9. Article ; Online: A tetranuclear cobalt(ii) phosphate possessing a D4R core: an efficient water oxidation catalyst.

    Dey, Atanu / Kumar, Vierandra / Pal, Shubhadeep / Guha, Anku / Bawari, Sumit / Narayanan, Tharangattu N / Chandrasekhar, Vadapalli

    Dalton transactions (Cambridge, England : 2003)

    2020  Volume 49, Issue 15, Page(s) 4878–4886

    Abstract: The reaction of Co(OAc)2·4H2O with a sterically hindered phosphate ester, LH2, afforded a tetranuclear complex, [CoII(L)(CH3CN)]4·5CH3CN (1) [LH2 = 2,6-(diphenylmethyl)-4-isopropyl-phenyl phosphate]. The molecular structure of 1 reveals that it is a ... ...

    Abstract The reaction of Co(OAc)2·4H2O with a sterically hindered phosphate ester, LH2, afforded a tetranuclear complex, [CoII(L)(CH3CN)]4·5CH3CN (1) [LH2 = 2,6-(diphenylmethyl)-4-isopropyl-phenyl phosphate]. The molecular structure of 1 reveals that it is a tetranuclear assembly where the Co(ii) centers are present in the alternate corners of a cube. The four Co(ii) centers are held together by four di-anionic [L]2- ligands. The fourth coordination site on Co(ii) is taken by an acetonitrile ligand. Changing the Co(ii) precursor from Co(OAc)2·4H2O to Co(NO3)2·6H2O afforded a mononuclear complex [CoII(LH)2(CH3CN)2(MeOH)2](MeOH)2 (2). In 2, the Co(ii) centre is surrounded by two monoanionic [LH]- ligands and a pair of methanol and acetonitrile solvents in a six-coordinate arrangement. 1 has been found to be an efficient catalyst for electrochemical water oxidation under highly basic conditions while the mononuclear analogue, 2, does not respond to electrochemical water oxidation. The tetranuclear catalyst has excellent electrochemical stability and longevity, as established by chronoamperometry and >1000 cycle durability tests under highly alkaline conditions. Excellent current densities of 1 and 10 mA cm-2 were achieved with overpotentials of 354 and 452 mV respectively. The turnover frequency of this catalyst was calculated to be 5.23 s-1 with an excellent faradaic efficiency of 97%, indicating the selective oxygen evolution reaction (OER) occurring with the aid of this catalyst. A mechanistic insight into the higher activity of complex 1 towards the OER compared to that of complex 2 is also provided using density functional theory based calculations.
    Language English
    Publishing date 2020-03-27
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472887-4
    ISSN 1477-9234 ; 1364-5447 ; 0300-9246 ; 1477-9226
    ISSN (online) 1477-9234 ; 1364-5447
    ISSN 0300-9246 ; 1477-9226
    DOI 10.1039/d0dt00010h
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Book ; Online: Optical and microstructural characterization of Er$^{3+}$ doped epitaxial cerium oxide on silicon

    Grant, Gregory D. / Zhang, Jiefei / Masiulionis, Ignas / Chattaraj, Swarnabha / Sautter, Kathryn E. / Sullivan, Sean E. / Chebrolu, Rishi / Liu, Yuzi / Martins, Jessica B. / Niklas, Jens / Dibos, Alan M. / Kewalramani, Sumit / Freeland, John W. / Wen, Jianguo / Poluektov, Oleg G. / Heremans, F. Joseph / Awschalom, David D. / Guha, Supratik

    2023  

    Abstract: Rare-earth ion dopants in solid-state hosts are ideal candidates for quantum communication technologies such as quantum memory, due to the intrinsic spin-photon interface of the rare-earth ion combined with the integration methods available in the solid- ... ...

    Abstract Rare-earth ion dopants in solid-state hosts are ideal candidates for quantum communication technologies such as quantum memory, due to the intrinsic spin-photon interface of the rare-earth ion combined with the integration methods available in the solid-state. Erbium-doped cerium oxide (Er:CeO$_2$) is a particularly promising platform for such a quantum memory, as it combines the telecom-wavelength (~1.5 $\mu$m) 4f-4f transition of erbium, a predicted long electron spin coherence time supported by CeO$_2$, and is also near lattice-matched to silicon for heteroepitaxial growth. In this work, we report on the epitaxial growth of Er:CeO$_2$ thin films on silicon using molecular beam epitaxy (MBE), with controlled erbium concentration down to 2 parts per million (ppm). We carry out a detailed microstructural study to verify the CeO$_2$ host structure, and characterize the spin and optical properties of the embedded Er$^{3+}$ ions. In the 2-3 ppm Er regime, we identify EPR linewidths of 245(1) MHz, optical inhomogeneous linewidths of 9.5(2) GHz, optical excited state lifetimes of 3.5(1) ms, and spectral diffusion-limited homogenoeus linewidths as narrow as 4.8(3) MHz in the as-grown material. We test annealing of the Er:CeO$_2$ films up to 900 deg C, which yields modest narrowing of the inhomogeneous linewidth by 20% and extension of the excited state lifetime by 40%. We have also studied the variation of the optical properties as a function of Er doping and find that the results are consistent with the trends expected from inter-dopant charge interactions.

    Comment: 15 pages, 6 figures (including supplemental information)
    Keywords Condensed Matter - Materials Science
    Subject code 530
    Publishing date 2023-09-28
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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