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  • 1
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    Copper-catalyzed aerobic oxidative coupling: From ketone and diamine to pyrazine (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-10-11
    Description: Copper-catalyzed aerobic oxidative C–H/N–H coupling between simple ketones and diamines was developed toward the synthesis of a variety of pyrazines. Various substituted ketones were compatible for this transformation. Preliminary mechanistic investigations indicated that radical species were involved. X-ray absorption fine structure experiments elucidated that the Cu(II) species 5 coordinated by two N atoms at a distance of 2.04 Å and two O atoms at a shorter distance of 1.98 Å was a reactive one for this aerobic oxidative coupling reaction. Density functional theory calculations suggested that the intramolecular coupling of cationic radicals was favorable in this transformation.
    Electronic ISSN: 2375-2548
    Topics: Natural Sciences in General
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    A Survey on the Development of Security Mechanisms for Body Area Networks (2014)
    Oxford University Press
    Details
    Publication Date: 2014-09-25
    Description: Advances in lightweight, small-sized and low-power sensors led to the development of wearable biosensors, and thus, to the accurate monitoring of human periphery. On top of this, pervasive computing has been improved and technologies have been matured enough to build plug-and-play body area networks (BANs). In a BAN, the main functionality of a node is to effectively and efficiently collect data from vital body parts, share it with the neighbors and make decisions accordingly. Because of the fact that the captured phenomenon is highly sensitive to privacy breaches in addition to being transmitted using the wireless communication medium, BANs require a security infrastructure. However, due to the extreme energy scarcity, bandwidth and storage constraints of the nodes, conventional solutions are inapplicable. In this survey, we present an overview of BANs and provide a detailed investigation into the developed security infrastructures. We examined the literature and combined the corresponding proposals under two major classes: (i) pure-cryptographic security mechanisms and (ii) bio-cryptographic security mechanisms. Pure-cryptographic methods include constructions based on the well-known symmetric or asymmetric cryptography primitives and they are suitable for securing the communication between any two network entities. On the other hand, bio-cryptographic methods benefit from the network's context-awareness and to the best of our knowledge, they have been utilized only for the communication among the biosensors.
    Print ISSN: 0010-4620
    Electronic ISSN: 1460-2067
    Topics: Computer Science
    Published by Oxford University Press
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  • 3
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    A draft sequence for the genome of the domesticated silkworm (Bombyx mori) (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-12-14
    Description: We report a draft sequence for the genome of the domesticated silkworm (Bombyx mori), covering 90.9% of all known silkworm genes. Our estimated gene count is 18,510, which exceeds the 13,379 genes reported for Drosophila melanogaster. Comparative analyses to fruitfly, mosquito, spider, and butterfly reveal both similarities and differences in gene content.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xia, Qingyou -- Zhou, Zeyang -- Lu, Cheng -- Cheng, Daojun -- Dai, Fangyin -- Li, Bin -- Zhao, Ping -- Zha, Xingfu -- Cheng, Tingcai -- Chai, Chunli -- Pan, Guoqing -- Xu, Jinshan -- Liu, Chun -- Lin, Ying -- Qian, Jifeng -- Hou, Yong -- Wu, Zhengli -- Li, Guanrong -- Pan, Minhui -- Li, Chunfeng -- Shen, Yihong -- Lan, Xiqian -- Yuan, Lianwei -- Li, Tian -- Xu, Hanfu -- Yang, Guangwei -- Wan, Yongji -- Zhu, Yong -- Yu, Maode -- Shen, Weide -- Wu, Dayang -- Xiang, Zhonghuai -- Yu, Jun -- Wang, Jun -- Li, Ruiqiang -- Shi, Jianping -- Li, Heng -- Li, Guangyuan -- Su, Jianning -- Wang, Xiaoling -- Li, Guoqing -- Zhang, Zengjin -- Wu, Qingfa -- Li, Jun -- Zhang, Qingpeng -- Wei, Ning -- Xu, Jianzhe -- Sun, Haibo -- Dong, Le -- Liu, Dongyuan -- Zhao, Shengli -- Zhao, Xiaolan -- Meng, Qingshun -- Lan, Fengdi -- Huang, Xiangang -- Li, Yuanzhe -- Fang, Lin -- Li, Changfeng -- Li, Dawei -- Sun, Yongqiao -- Zhang, Zhenpeng -- Yang, Zheng -- Huang, Yanqing -- Xi, Yan -- Qi, Qiuhui -- He, Dandan -- Huang, Haiyan -- Zhang, Xiaowei -- Wang, Zhiqiang -- Li, Wenjie -- Cao, Yuzhu -- Yu, Yingpu -- Yu, Hong -- Li, Jinhong -- Ye, Jiehua -- Chen, Huan -- Zhou, Yan -- Liu, Bin -- Wang, Jing -- Ye, Jia -- Ji, Hai -- Li, Shengting -- Ni, Peixiang -- Zhang, Jianguo -- Zhang, Yong -- Zheng, Hongkun -- Mao, Bingyu -- Wang, Wen -- Ye, Chen -- Li, Songgang -- Wang, Jian -- Wong, Gane Ka-Shu -- Yang, Huanming -- Biology Analysis Group -- 1 P50 HG02351/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1937-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Southwest Agricultural University, Chongqing Beibei, 400716, China. xiaqy@swau.cq.cn〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15591204" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; Anopheles/genetics ; Body Patterning/genetics ; Bombyx/*genetics/growth & development/metabolism ; Butterflies/genetics ; Computational Biology ; DNA Transposable Elements ; Drosophila melanogaster/genetics ; Exocrine Glands/metabolism ; Expressed Sequence Tags ; Female ; Genes, Homeobox ; *Genes, Insect ; *Genome ; Immunity, Innate/genetics ; Insect Hormones/genetics ; Insect Proteins/genetics ; Male ; Molecular Sequence Data ; *Sequence Analysis, DNA ; Sequence Homology, Nucleic Acid ; Sex Determination Processes ; Spiders/genetics ; Wings, Animal/growth & development
    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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  • 4
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    Eosinophil differentiation in the bone marrow is promoted by protein tyrosine phosphatase SHP2 (2016)
    Springer Nature
    Details
    Publication Date: 2016-04-08
    Description: Eosinophil differentiation in the bone marrow is promoted by protein tyrosine phosphatase SHP2 Cell Death and Disease 7, e2175 (April 2016). doi:10.1038/cddis.2016.74 Authors: L-x Xia, W Hua, Y Jin, B-p Tian, Z-w Qiu, C Zhang, L-q Che, H-b Zhou, Y-f Wu, H-q Huang, F Lan, Y-h Ke, J J Lee, W Li, S-m Ying, Z-h Chen & H-h Shen
    Electronic ISSN: 2041-4889
    Topics: Biology , Medicine
    Published by Springer Nature
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  • 5
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    Histone H4K20/H3K9 demethylase PHF8 regulates zebrafish brain and craniofacial development (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-07-14
    Description: X-linked mental retardation (XLMR) is a complex human disease that causes intellectual disability. Causal mutations have been found in approximately 90 X-linked genes; however, molecular and biological functions of many of these genetically defined XLMR genes remain unknown. PHF8 (PHD (plant homeo domain) finger protein 8) is a JmjC domain-containing protein and its mutations have been found in patients with XLMR and craniofacial deformities. Here we provide multiple lines of evidence establishing PHF8 as the first mono-methyl histone H4 lysine 20 (H4K20me1) demethylase, with additional activities towards histone H3K9me1 and me2. PHF8 is located around the transcription start sites (TSS) of approximately 7,000 RefSeq genes and in gene bodies and intergenic regions (non-TSS). PHF8 depletion resulted in upregulation of H4K20me1 and H3K9me1 at the TSS and H3K9me2 in the non-TSS sites, respectively, demonstrating differential substrate specificities at different target locations. PHF8 positively regulates gene expression, which is dependent on its H3K4me3-binding PHD and catalytic domains. Importantly, patient mutations significantly compromised PHF8 catalytic function. PHF8 regulates cell survival in the zebrafish brain and jaw development, thus providing a potentially relevant biological context for understanding the clinical symptoms associated with PHF8 patients. Lastly, genetic and molecular evidence supports a model whereby PHF8 regulates zebrafish neuronal cell survival and jaw development in part by directly regulating the expression of the homeodomain transcription factor MSX1/MSXB, which functions downstream of multiple signalling and developmental pathways. Our findings indicate that an imbalance of histone methylation dynamics has a critical role in XLMR.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3072215/" 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/PMC3072215/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Qi, Hank H -- Sarkissian, Madathia -- Hu, Gang-Qing -- Wang, Zhibin -- Bhattacharjee, Arindam -- Gordon, D Benjamin -- Gonzales, Michelle -- Lan, Fei -- Ongusaha, Pat P -- Huarte, Maite -- Yaghi, Nasser K -- Lim, Huijun -- Garcia, Benjamin A -- Brizuela, Leonardo -- Zhao, Keji -- Roberts, Thomas M -- Shi, Yang -- GM 071004/GM/NIGMS NIH HHS/ -- NCI118487/PHS HHS/ -- P01CA50661/CA/NCI NIH HHS/ -- R01 GM071004/GM/NIGMS NIH HHS/ -- R01 GM071004-07/GM/NIGMS NIH HHS/ -- T32 CA09031-32/CA/NCI NIH HHS/ -- T32 NS007473/NS/NINDS NIH HHS/ -- England -- Nature. 2010 Jul 22;466(7305):503-7. doi: 10.1038/nature09261. Epub 2010 Jul 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Harvard Medical School, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20622853" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biocatalysis ; Brain/cytology/*embryology/*enzymology ; Catalytic Domain ; Cell Cycle ; Cell Line, Tumor ; Cell Survival ; DNA, Intergenic/genetics ; Gene Expression Regulation ; Head/*embryology ; Histone Demethylases/genetics/*metabolism ; Histones/chemistry/*metabolism ; Homeodomain Proteins/genetics ; Humans ; Jaw/cytology/embryology ; Lysine/metabolism ; Mental Retardation, X-Linked/enzymology/genetics ; Methylation ; Neurons/cytology/enzymology ; Promoter Regions, Genetic ; Transcription Factors/deficiency/genetics/*metabolism ; Transcription Initiation Site ; Zebrafish/*embryology/metabolism ; Zebrafish Proteins/genetics/*metabolism
    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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  • 6
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    Long noncoding RNA as modular scaffold of histone modification complexes (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-07-10
    Description: Long intergenic noncoding RNAs (lincRNAs) regulate chromatin states and epigenetic inheritance. Here, we show that the lincRNA HOTAIR serves as a scaffold for at least two distinct histone modification complexes. A 5' domain of HOTAIR binds polycomb repressive complex 2 (PRC2), whereas a 3' domain of HOTAIR binds the LSD1/CoREST/REST complex. The ability to tether two distinct complexes enables RNA-mediated assembly of PRC2 and LSD1 and coordinates targeting of PRC2 and LSD1 to chromatin for coupled histone H3 lysine 27 methylation and lysine 4 demethylation. Our results suggest that lincRNAs may serve as scaffolds by providing binding surfaces to assemble select histone modification enzymes, thereby specifying the pattern of histone modifications on target genes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2967777/" 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/PMC2967777/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tsai, Miao-Chih -- Manor, Ohad -- Wan, Yue -- Mosammaparast, Nima -- Wang, Jordon K -- Lan, Fei -- Shi, Yang -- Segal, Eran -- Chang, Howard Y -- R01 CA118750/CA/NCI NIH HHS/ -- R01 CA119176/CA/NCI NIH HHS/ -- R01 CA119176-05/CA/NCI NIH HHS/ -- R01-CA118487/CA/NCI NIH HHS/ -- R01-HG004361/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2010 Aug 6;329(5992):689-93. doi: 10.1126/science.1192002. Epub 2010 Jul 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Program in Epithelial Biology, Stanford University School of Medicine, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20616235" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Carrier Proteins/metabolism ; Cell Line ; Cells, Cultured ; Chromatin/*metabolism ; Chromatin Immunoprecipitation ; Co-Repressor Proteins ; DNA-Binding Proteins/*metabolism ; HeLa Cells ; Histone Demethylases/*metabolism ; Histones/*metabolism ; Humans ; Methylation ; Mutation ; Nerve Tissue Proteins/metabolism ; Nuclear Proteins/metabolism ; Nucleic Acid Conformation ; Polycomb Repressive Complex 2 ; Polycomb-Group Proteins ; Promoter Regions, Genetic ; Protein Binding ; RNA Interference ; RNA, Untranslated/chemistry/*metabolism ; Repressor Proteins/*metabolism ; Transcription Factors/*metabolism ; Transcription, Genetic
    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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  • 7
    Electronic Resource
    Electronic Resource
    Light scattering polydispersity analysis of molecular diffusion by Laplace transform inversion in weighted spaces (1985)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 82 (1985), S. 1551-1554 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Previous work on the use of singular systems for the inversion of photon correlation functions obtained in the analysis of molecular polydispersity by laser light scattering is extended to allow the imposition of a "profile'' function, having the measured mean and polydispersity index, to localize the recovered solution and improve its resolution. This profile function is used to construct an appropriate orthonormal basis in a weighted L2 space in which to expand the solution and also a basis of vectors for expanding the experimental data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.448430
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of glutathione peroxidase activity on lipid peroxidation in biological membranes
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Lipids and Lipid Metabolism 431 (1976), S. 459-468 
    Details
    ISSN: 0005-2760
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2760(76)90212-5
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  • 9
    Electronic Resource
    Electronic Resource
    Selective assembly of laminin variants by human carcinoma cells
    Amsterdam : Elsevier
    Matrix Biology 14 (1994), S. 418 
    Details
    ISSN: 0945-053X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0945-053X(94)90165-1
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  • 10
    Electronic Resource
    Electronic Resource
    Effect of mechanical vibration on TLP brazing with BNi-2 nickel-based filler metal (2000)
    Springer
    Journal of materials science 19 (2000), S. 319-321 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006762730197
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