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  • 11
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    Efficient Revocable ID-Based Encryption with a Public Channel (2012)
    Oxford University Press
    Details
    Publication Date: 2012-03-28
    Description: Over the last few years, identity (ID)-based encryption (IBE) without requiring certificate management offers a practical alternative to public key encryption. However, how to revoke misbehaving/compromised identities in ID-based public key setting becomes a new and critical issue. In the past, there was little work on studying this revocation problem. In 2008, Boldyreva et al. proposed a revocable IBE (RIBE) and its associated revocation solution that used a binary tree structure to reduce the authority's periodic workload in Boneh and Franklin's IBE. However, Boldyreva et al. 's RIBE raised enormous computation costs for encryption and decryption procedures. Both IBEs require a secure channel between each user and the authority to transmit user's periodic private keys, thus the authority and each user need to encrypt and decrypt the private keys for each period. In this article, we present an efficient RIBE with a public channel, which provides a practical alternative to the previously proposed revocation solutions, while it remains efficient for encryption and decryption. Under the bilinear Diffie–Hellman assumption, we demonstrate that our RIBE with a public channel is semantically secure against adaptive chosen plaintext attacks and adaptive chosen ciphertext attacks.
    Print ISSN: 0010-4620
    Electronic ISSN: 1460-2067
    Topics: Computer Science
    Published by Oxford University Press
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  • 12
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    Electronic structure of RuSr_{2}EuCu_{2}O_{8} studied by x-ray absorption and photoemission spectroscopies (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-01-18
    Description: Author(s): S. W. Han, D. C. Ling, H. M. Tsai, C. H. Chuang, S. L. Wu, W. F. Pong, J. W. Chiou, M.-H. Tsai, L. Y. Jang, H. J. Lin, T. W. Pi, and J. F. Lee Local electronic structures of ruthenocuprate RuSr 2 EuCu 2 O 8 (RuEu-1212) were investigated by using x-ray absorption near-edge structure (XANES) and valence-band photoemission (VB-PES) measurements at room temperature, 80 K, and 25 K. The XANES results indicate that when RuEu-1212 is below Curie tempe... [Phys. Rev. B 85, 014506] Published Tue Jan 17, 2012
    Keywords: Superfluidity and superconductivity
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 13
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    The electronic and magnetic properties of La0.85Zr0.15MnO3 deposited on SrTiO3 and MgO substrates (2014)
    American Institute of Physics (AIP)
    Details
    Publication Date: 2014-06-20
    Description: The electronic and magnetic properties of tetravalent-ion-doped La 0.85 Zr 0.15 MnO 3 (LZMO) thin films that were epitaxially grown on SrTiO 3 (STO) and MgO substrates were studied using temperature-dependent x-ray diffraction (XRD), x-ray absorption near-edge structure, x-ray linear dichroism, and x-ray magnetic circular dichroism at the Mn L 3,2 - and K -edge. XRD studies reveal that the LZMO thin films have compressive and tensile strains (along the c -axis) on the STO and MgO substrates, respectively. As the temperature is reduced from room temperature to below magnetic transition temperature, the preferentially occupied Mn majority-spin e g orbital changes from the in-plane d x 2 -y 2 to the out-of-plane d 3 z 2 -r 2 orbital for LZMO/STO, and vice versa for LZMO/MgO. Experimental results suggest that the new hopping path that is mediated by the Mn 2+ ions triggers a stronger d 3 z 2 -r 2 orbital ordering of Mn 3+ ions and enhances the ferromagnetic coupling between the Mn spin moments of t 2g electrons in LZMO/STO, whereas the strong tensile strain stabilizes the d x 2 -y 2 orbital by inducing lattice distortions of the MnO 6 octahedra in LZMO/MgO.
    Print ISSN: 0021-8979
    Electronic ISSN: 1089-7550
    Topics: Physics
    Published by American Institute of Physics (AIP)
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  • 14
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    Episodic encoding remodels neocortical circuits [Neuroscience] (2014)
    National Academy of Sciences
    Details
    Publication Date: 2014-08-13
    Description: Understanding the mechanisms by which long-term memories are formed and stored in the brain represents a central aim of neuroscience. Prevailing theory suggests that long-term memory encoding involves early plasticity within hippocampal circuits, whereas reorganization of the neocortex is thought to occur weeks to months later to subserve remote memory...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 15
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    Wnt/{beta}-catenin signaling regulates ependymal cell development and adult homeostasis [Developmental Biology] (2018)
    National Academy of Sciences
    Details
    Publication Date: 2018-06-27
    Description: In the adult mouse spinal cord, the ependymal cell population that surrounds the central canal is thought to be a promising source of quiescent stem cells to treat spinal cord injury. Relatively little is known about the cellular origin of ependymal cells during spinal cord development, or the molecular mechanisms...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 16
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    The development of allergic inflammation (2008)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2008-07-25
    Description: Allergic disorders, such as anaphylaxis, hay fever, eczema and asthma, now afflict roughly 25% of people in the developed world. In allergic subjects, persistent or repetitive exposure to allergens, which typically are intrinsically innocuous substances common in the environment, results in chronic allergic inflammation. This in turn produces long-term changes in the structure of the affected organs and substantial abnormalities in their function. It is therefore important to understand the characteristics and consequences of acute and chronic allergic inflammation, and in particular to explore how mast cells can contribute to several features of this maladaptive pattern of immunological reactivity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3573758/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3573758/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Galli, Stephen J -- Tsai, Mindy -- Piliponsky, Adrian M -- R01 AI023990/AI/NIAID NIH HHS/ -- R01 AI023990-20/AI/NIAID NIH HHS/ -- R01 AI070813/AI/NIAID NIH HHS/ -- R01 AI070813-01/AI/NIAID NIH HHS/ -- R01 CA072074/CA/NCI NIH HHS/ -- R01 CA072074-15/CA/NCI NIH HHS/ -- England -- Nature. 2008 Jul 24;454(7203):445-54. doi: 10.1038/nature07204.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, California 94305, USA. sgalli@stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18650915" target="_blank"〉PubMed〈/a〉
    Keywords: Allergens/immunology ; Animals ; Chronic Disease ; Epithelium/immunology ; Humans ; Hypersensitivity/genetics/*immunology/*pathology ; Immunoglobulin E/immunology ; Inflammation/genetics/*immunology/*pathology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 17
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    {Delta}CT-NEMO autoinflammatory disease [Immunology and Inflammation] (2016)
    National Academy of Sciences
    Details
    Publication Date: 2016-02-10
    Description: Receptor-induced NF-κB activation is controlled by NEMO, the NF-κB essential modulator. Hypomorphic NEMO mutations result in X-linked ectodermal dysplasia with anhidrosis and immunodeficiency, also referred to as NEMO syndrome. Here we describe a distinct group of patients with NEMO C-terminal deletion (ΔCT-NEMO) mutations. Individuals harboring these mutations develop inflammatory skin...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 18
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    Mast cells can enhance resistance to snake and honeybee venoms (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-29
    Description: Snake or honeybee envenomation can cause substantial morbidity and mortality, and it has been proposed that the activation of mast cells by snake or insect venoms can contribute to these effects. We show, in contrast, that mast cells can significantly reduce snake-venom-induced pathology in mice, at least in part by releasing carboxypeptidase A and possibly other proteases, which can degrade venom components. Mast cells also significantly reduced the morbidity and mortality induced by honeybee venom. These findings identify a new biological function for mast cells in enhancing resistance to the morbidity and mortality induced by animal venoms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Metz, Martin -- Piliponsky, Adrian M -- Chen, Ching-Cheng -- Lammel, Verena -- Abrink, Magnus -- Pejler, Gunnar -- Tsai, Mindy -- Galli, Stephen J -- P50 HL067674/HL/NHLBI NIH HHS/ -- P50 HL67674/HL/NHLBI NIH HHS/ -- R01 AI023990/AI/NIAID NIH HHS/ -- R01 CA072074/CA/NCI NIH HHS/ -- R01 CA72074/CA/NCI NIH HHS/ -- R37 AI23990/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2006 Jul 28;313(5786):526-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305-5324, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16873664" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bee Venoms/*antagonists & inhibitors/toxicity ; Carboxypeptidases A/antagonists & inhibitors/*metabolism ; Cell Degranulation ; Chymases ; Crotalid Venoms/*antagonists & inhibitors/metabolism/toxicity ; Hypothermia/etiology ; Immunity, Innate ; Mast Cells/enzymology/immunology/*physiology ; Mice ; Mice, Inbred C57BL ; Peptide Hydrolases/metabolism ; Peritoneal Cavity/cytology ; Plant Proteins/pharmacology ; Protease Inhibitors ; Serine Endopeptidases/metabolism ; Viper Venoms/*antagonists & inhibitors/metabolism/toxicity
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 19
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    Functional targeting of DNA damage to a nuclear pore-associated SUMO-dependent ubiquitin ligase (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-10-25
    Description: Recent findings suggest important roles for nuclear organization in gene expression. In contrast, little is known about how nuclear organization contributes to genome stability. Epistasis analysis (E-MAP) using DNA repair factors in yeast indicated a functional relationship between a nuclear pore subcomplex and Slx5/Slx8, a small ubiquitin-like modifier (SUMO)-dependent ubiquitin ligase, which we show physically interact. Real-time imaging and chromatin immunoprecipitation confirmed stable recruitment of damaged DNA to nuclear pores. Relocation required the Nup84 complex and Mec1/Tel1 kinases. Spontaneous gene conversion can be enhanced in a Slx8- and Nup84-dependent manner by tethering donor sites at the nuclear periphery. This suggests that strand breaks are shunted to nuclear pores for a repair pathway controlled by a conserved SUMO-dependent E3 ligase.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3518492/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3518492/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nagai, Shigeki -- Dubrana, Karine -- Tsai-Pflugfelder, Monika -- Davidson, Marta B -- Roberts, Tania M -- Brown, Grant W -- Varela, Elisa -- Hediger, Florence -- Gasser, Susan M -- Krogan, Nevan J -- R01 GM084448/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2008 Oct 24;322(5901):597-602. doi: 10.1126/science.1162790.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Friedrich Miescher Institute for Biomedical Research, Maulbeerstrasse 66, 4058 Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18948542" target="_blank"〉PubMed〈/a〉
    Keywords: Chromatin Immunoprecipitation ; *DNA Breaks, Double-Stranded ; DNA Repair ; DNA, Fungal/genetics/*metabolism ; DNA-Binding Proteins/genetics/*metabolism ; Deoxyribonucleases, Type II Site-Specific/metabolism ; Gene Conversion ; Genes, Fungal ; Immunoprecipitation ; Intracellular Signaling Peptides and Proteins/metabolism ; Kinetics ; Nuclear Pore/*metabolism ; Nuclear Pore Complex Proteins/genetics/metabolism ; Protein-Serine-Threonine Kinases/metabolism ; Recombination, Genetic ; Saccharomyces cerevisiae/genetics/*metabolism ; Saccharomyces cerevisiae Proteins/genetics/*metabolism ; Small Ubiquitin-Related Modifier Proteins/metabolism ; Ubiquitin-Protein Ligases/*metabolism ; Zinc Fingers
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 20
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    Origin of magnetic properties in carbon implanted ZnO nanowires (2018)
    Springer Nature
    Details
    Publication Date: 2018-05-18
    Description: Origin of magnetic properties in carbon implanted ZnO nanowires Origin of magnetic properties in carbon implanted ZnO nanowires, Published online: 17 May 2018; doi:10.1038/s41598-018-25948-x Origin of magnetic properties in carbon implanted ZnO nanowires
    Electronic ISSN: 2045-2322
    Topics: Natural Sciences in General
    Published by Springer Nature
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