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Role of viruses in periodontitis:An extensive review of herpesviruses,human immunodeficiency virus,coronavirus-19,papillomavirus and hepatitis viruses

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World Journal of Virology 2024年第4期13卷 7-23页

作者： Mohammed Khalid Mahmood Mohammed Taib Fatih Handren Ameer Kurda Nwsiba Khalid Mahmood Farman Uthman Shareef Hemin Faraidun Herve Tassery Delphine Tardivo Romain Lan Zana Fuad Noori balen hamid qadir Arman Dlshad Hassan Aix-Marseille University CNRSEFSADESMarseille 13000France College of Dentistry Komar University of Science and technologySulaimani 46001Iraq College of Dentistry Sulaimani UniversitySulaimani 46001Iraq Department of Biology College of ScienceSulaimani UniversitySulaimani 46001Iraq Department of Medical Laboratory Science College of ScienceCharmo UniversityChamchamal/Sulaimani 46001Iraq Department of Biology University of FreiburgMina BiotechFreiburg 79098Germany Department of Odontology Timone HospitalAix Marseille UniversityAPHMMarseille 13000FranceLBN LaboratoryMontpellier 34000France Department of Odontology Timone HospitalAix Marseille UniversityAPHMCNRSEFSADESMarseille 13000France Department of Dentistry American University of Sulaimani Iraq AUISSulaimani 46001Iraq Department of Biomedical Science University of DenverDenverCO 80014United States

Periodontitis is the inflammation of the supporting structures around the *** microbial agents,mostly bacteria,have been identified as causative factors for periodontal *** the other hand,oral cavity is a rich reservoir for viruses since it contains a wide variety of cell types that can be targeted by ***,the focus of research about the oral flora has been on bacteria because the most widespread oral diseases,like periodontitis and dental caries,are outcomes of bacterial ***,recently and especially after the emergence of coronavirus disease 2019,there is a growing tendency toward including viruses also into the scope of oral microbiome *** global high prevalence of periodontitis and viral infections may point out to a concomitant or synergistic effect between the *** the exact nature of the mechanism still is not clearly understood,this could be speculated through the manipulation of the immune system by viruses;hence facilitating the furthermore colonization of the oral tissues by *** review provides an extensive and detailed update on the role of the most common viruses including herpes family(herpes simplex,varicella-zoster,Epstein-Barr,cytomegalovirus),Human papillomaviruses,Human immunodeficiency virus and severe acute respiratory syndrome coronavirus 2 in the initiation,progression and prognosis of periodontitis.

关键词： Virus Periodontitis Bacteria Herpesvirus Herpes simplex virus Varicella-zoster virus Epstein-Barr virus Cytomegalovirus Human papillomaviruses SARS-CoV-2 Human immunodeficiency virus

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Geotechnical forensic investigation of a slope failure on silty clay soil--A case study

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Frontiers of Structural and Civil Engineering 2020年第2期14卷 501-517页

作者： Mohammad Abubakar NAVEED Zulfiqar ALI Abdul qadir Umar Naveed LATIF Saad hamid Umar SARWAR Military College of Engineering National University of Sciences and TechnologyRisalpur 24080Pakistan School of Civil Environmental and Mining EngineeringThe University of AdelaideAdelaibe 5096Australia

Qila Bala Hisar is one of the noteworthy places of Peshawar,Khyber *** fort was constructed on a flled ground during the 18th century and it was renovated several times by the occupants ever ***,due to an earthquake of magnitude 7.3,the upper part of the south-western wall of the fort *** collapse of the wall was attributed to the failure of the retained *** research was undertaken to characterize the slope material,study causal factors of failure and evaluate remedial *** investigation involved conventional field and laboratory testing and geophysical investigation using electrical resistivity technique to evaluate the nature of ***,X-ray Diffraction and Scanning Electron Microscopy was used to study the slope material at a molecular level to evaluate the existence of swelling *** analysis has shown that excessive seepage of water caused by the poor maintenance of runoff and sewage drains is the causal factor triggered by the seismic event.A remedial strategy involving soil nails,micro piles and improvement of the surface drainage is recommended.

关键词： forensic geotechnical investigation slope failure slope analysis finite element method numerical analysis seismic loading Qila Bala Hisar

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Evaluation of antimicrobial activity of a lectin isolated and purified from <i>Indigofera heterantha</i>

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Advances in Bioscience and Biotechnology 2013年第11期4卷 999-1006页

作者： Sakeena qadir Ishfak Hussain Wani Shaista Rafiq Showkat Ahmad Ganie Akbar Masood Rabia hamid Department of Biochemistry University of Kashmir Srinagar India

Indigofera heterantha commonly called indigo bush is a member of leguminoseae family found in the Himalayan region of Kashmir. A lectin has been isolated from the seeds of Indigofera heterantha by the purification procedure involving anion exchange chromatography on DEAE-cellulose followed by gel filtration chromatography on Sephadex G 100. Molecular characterization of the lectin was done by gel filtration and SDS-PAGE. Activity of the lectin was checked by hemagglutination assay and the sugar specificity by sugar inhibition tests. The antimicrobial activity of the purified lectin was carried out by Agar disc diffusion using appropriate standards. On the ion exchange column, the bound protein when eluted with 0-0.5 M NaCl gradient emerged as three peaks—peak I, peak II and peak III out of which only peak II showed the hemagglutinating activity. The lectin further resolved into two peaks G1 and G2 on gel filtration, with the lectin activity residing in G1, corresponding to a molecular weight of 70 KDa. The purified lectin named as Indigofera heterantha Lectin (IHL) produced a single band on SDS PAGE (18 KDa), revealing the tetrameric nature of the lectin. It agglutinated human erythrocytes (A, B, AB, and O). Hemagglutination was inhibited by D-galactose, Dmannose and D-arabinose. The lectin is reasonably thermostable showing full activity within a temperature range of 30°C to 90°C. pH stability of the lectin falls in the range of 2-9. IHL demonstrated a remarkable antibacterial activity against the pathogenic bacteria Klebsiella pneumoniae, Staphylococcus aureus, Escherichia coli, and Bacillus subtilis. IHL also inhibited the growth of phytopathogenic fungi Aspergillus niger, Aspergillus oryzae and Fusarium oxysporum.

关键词： Indigofera heterantha Lectin Hemagglutination Antimicrobial

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数学物理第12届地区会议文集

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国外科技新书评介 2008年第4期 8-8页

作者： Faheem Hussain Asghar qadir Riazaddin hamid Saleem 朱尧辰 COMSATS Institute of Information Technology Pakistan National University of S＆T Pakistan National Centre for Physics pakistan Harold Saleem Pakistan Institute of Nuclear S＆T Pakistain（Eds）中国科学院应用数学研究所

2006年3月27～4月1日，巴基斯坦国家物理中心（NCP）在巴基斯坦首都伊斯兰堡举行了第12届地区数学物理会议，本书是这届会议的论文汇集。该会议起始于1986年，由伊朗、巴基斯坦和土耳其三国物理学家共同发起举办，主要由上述三国学者参... 详细信息

2006年3月27～4月1日，巴基斯坦国家物理中心（NCP）在巴基斯坦首都伊斯兰堡举行了第12届地区数学物理会议，本书是这届会议的论文汇集。该会议起始于1986年，由伊朗、巴基斯坦和土耳其三国物理学家共同发起举办，主要由上述三国学者参加，以后逐渐扩大到中亚独联体国家及印度、孟加拉等国，旨在交流有关成果，探讨共同感兴趣的学术问题。

关键词：数学物理巴基斯坦独联体国家伊斯兰堡物理学家学术问题土耳其孟加拉

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