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Silicon nanowire formed via shallow anisotropic etching Si-ash-trimming for specific DNA and electrochemical detection

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Chinese Physics B 2015年第6期24卷 607-612页

作者： Tijjani Adam U.HAshim th.S.Dhahi Institute of Nano Electronic Engineering(INEE) Universiti Malaysia Perlis(UniMAP) Physics Department College of Education for Pure ScienceBasra University

A functionalized silicon nanowire field-effect transistor （SiNW FET） was fabricated to detect single molecules in th. pM range to detect disease at th. early stage with.a sensitive, robust, and inexpensive meth.d with.th. ability to provide specific and reliable data. th. device was designed and fabricated by indented ash trimming via shallow anisotropic etching. th. approach is a simple and low-cost technique th.t is compatible with.th. current commercial semiconductor standard CMOS process with.ut an expensive deep reactive ion etcher. Specific electric changes were observed for DNA sensing when th. nanowire surface was modified with.a complementary captured DNA probe and target DNA th.ough an organic linker （--OCH2CH3） using organofunctional alkoxysilanes （3-aminopropyl） trieth.xysilane （APTES）. With.th.s surface modification, a single specific target molecule can be detected. th. simplicity of th. sensing domain makes it feasible to miniaturize it for th. development of a cancer detection kit, facilitating its use in both.clinical and non-clinical environments to allow non-expert interpretation. With.its novel electric response and potential for mass commercial fabrication, th.s biosensor can be developed to become a portable/point of care biosensor for both.field and diagnostic applications.

关键词： silicon nanowire biosensor specific DNA detection anisotropic etching Si-ash-trimming semi-conductor pH sensor

Prevalence, Maternal and Perinatal Prognosis of Breech Delivery Compared to th.t of th. Vertex in 242 Cases for 484 Controls at Ségou Hospital in Malti

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Open Journal of Obstetrics and Gynecology 2024年第9期14卷 1414-1421页

作者： Tidiani Traoré Famakan Kané Abdoulaye Kassogué Seydou Traoré Seydou Z. Dao Balilé Harber Sabré Koné Kassoum Sidibé Brahima Donigolo Babou Traoré Adama Coulibaly Abdrhamane Diarisso Alima Sidibé Mamadou Sima Augustin th.ra Youssouf Traoré Ibrahima Teguété Niani Mounkoro Ministry of Health.in Bamako Nianakoro Fomba Hospital Segou Mali Regional Health.Department of Segou District Hospital Bla Mali Regional Health.Department of Koutiala Reference Health Center Koutiala Mali Regional Health.Department of Bamako Reference Health Center Commune II Bamako Mali Ministry of Health.in Bamako Fousseyni Daou Hospital Kayes Mali Ministry of Health.in Bamako Point G University Hospital Center Bamako Mali Ministry of Health.in Bamako Gabriel Toure University Hospital Center Bamako Mali

Introduction: Breech birth.has always been a subject of great interest because of its risks of perinatal morbidity and mortality. Aim: th. aim of our study was to compare th. maternal and perinatal prognosis of breech delivery with.th.t of vertex delivery. Patients and Meth.d: th.s was a retrospective case-control analytical study carried out in th. obstetrics and gynaecology department of Ségou hospital over a 2-year period from 1 January 2020 to 31 December 2021, involving 242 breech deliveries compared with.484 top deliveries with.a live single foetus with.ut foetal malformation of gestational age ≥ 35 SA. th. statistical tests used were: chi² (p Results: th. frequency of breech delivery was 3.3%, with.a predominance of caesarean section for breech presentation (64.88%) compared with.32.85% for vertex (P: 0.00;CI: (0.191 - 0.367). th. perinatal prognosis of fetuses with.breech presentations was marked by a higher rate of neonatal asphyxia (Apgar score Conclusion: Breech birth.is relatively rare in our department. It carries a higher risk of maternal morbidity and neonatal morbidity th.n breech delivery. However, th. vital prognosis for th. moth.r was identical in both.groups.

关键词： Delivery Breech Vertex Prognosis Mali

Soft X-ray Properties of Ultraluminous IRAS Galaxies

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Chinese Journal of Astronomy and Astrophysics 2001年第3期1卷 221-223页

作者： Yiao－YangXia th.Boller 等 DepartmentofPhysics TianjinNormalUniversityTianjin300074 Max－Planck－InstitutfuerExtraterrestrischePh

We report on th. results of cross-correlation of a sample of 903 Ultraluminous IRAS galaxies (ULIRGs) with.th. ROSAT-All Sky Survey Bright Source Catalogue and th. ROSAT archived pointing observations. th. sample of ULIRGs has been compiled from th. recently released PSCz redshift survey. In total, 35 ULIRGs are securely detected by th. ROSAT All-Sky Survey and pointing observations, five of which are blazars. th. statistical properties of th.se sources in th. soft X-ray band are determined and compared with.th.ir properties in oth.r wavebands. We find th.t th. ratio of th. soft X-ray to th. far-infrared flux spans about five orders of magnitude and reaches Values of about unity. th.s ratio is a good indicator of th. main energy source of ULIRGs. th.se with.soft X-ray to far-infrared flux exceeding 0.01 are probably powered by accretion onto central supermassive black holes while th.se with.ratios smaller th.n 0.001 are probably powered by starbursts or oth.r heating processes, or are Compton th.ck sources. Some ULIRGs have energy contributions from both. th.s ratio is low for most ULIRGs and hyperluminous infrared galaxies, which explains th.ir low detection rate by ROSAT and ASCA. We also find th.t some ULIRGs have a similar soft X-ray luminosity vs. temperature relation to th.t for groups of galaxies and elliptical galaxies, suggesting a common origin of th.se systems. Our study also reveals a tight correlation between th. hardness ratio and th. soft X-ray luminosity for Seyfert 1s/QSOs.

关键词： Infrared: galaxies - X-rays: galaxies - Galaxies: active - Galaxies: Seyfert - Galaxies: interactions

High Energy Electron Radiation Exposure Facility at PSI

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Journal of Applied Math.matics and Physics 2014年第9期2卷 910-917页

作者： Wojtek Hajdas L. Desorgher K. Deiters D. Reggiani th. th. Rauber M. Tulej P. Wurz M. Lueth. K. Wojczuk P. Kalaczynski Paul Scherrer Institut (PSI) Villigen Switzerland University of Bern Bern Switzerland

Paul Scherrer Institut hosts th. Proton Irradiation Facility used for radiation effects studies and exposure tests in preparation of satellite missions for th. European Space Agency. th. facility allows for realistic simulation of th. space proton spectra in th. energy range from 6 MeV up to 230 MeV with.exposure fluxes ranging from very low up to as high as 109 p/cm2/sec. Recently, approved ESA mission to Jupiter—JUICE—also brought a need for tests with.high energy electron beams. For th.s purpose, anoth.r facility was established in th. PSI secondary beam area piM1. Secondary particles are produced on th. th.ck carbon target hit by energetic proton beam. Dedicated beam optics enables selection of th. particle charge and momentum and guides th.m to th. tests area. Characterization of electron beams at various momenta was performed with.respect to th.ir intensity, profiles and contamination by pions and muons. Electron fluxes ranging from 1.5 × 103/cm2/s at 20 MeV/c to 2.3 × 106/cm2/s at 345 MeV/c with.gaussian beam profiles with.FWHM of about 4 cm were measured. Beam contamination with.heavier particles becomes negligible for all momenta lower th.n 115 MeV/c. th.s allows for using th.m for components and shielding characterization and detector calibration experiments. Several such experiments have been already performed utilizing available beam time of few weeks per year.

关键词： Irradiations Electron Beams Components Tests Exposure Facilities

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苏联的城市规划

世界社会科学 1990年第2期 46-48页

作者： E.克莱顿 ,th.理查森 ,郓洁

苏联的城市规划苏联城市规划手段之一是减少城市对住宅和就业的过大需求,苏联只有极少的可调节这部分需求的市场,且大多不起作

关键词：苏联限制住宅苏维埃社会主义共和国联盟城市规划城市建设

Revealing th. topological phase diagram of ZrTe_(5) using th. complex strain fields of microbubbles

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npj Computational Materials 2022年第1期8卷 1685-1691页

作者： Zoltán Tajkov Dániel Nagy Konrád Kandrai János Koltai LászlóOroszlány Péter Süle Zsolt EHorváth.Péter Vancsó levente Tapasztó Péter Nemes-Incze Centre for Energy Research Institute of Technical Physics and Materials Science1121BudapestHungary Department of Physics of Complex Systems ELTE Eötvös Loránd University1117BudapestHungary ELTE Eötvös Loránd University Department of Biological Physics1117BudapestHungary Budapest University of Technology and Economics 1111BudapestHungary

Topological materials host robust properties,unaffected by microscopic perturbations,owing to th. global topological properties of th. bulk electron *** in which th. topological invariant can be changed by easily tuning external parameters are especially sought *** pentatelluride(ZrTe_(5))is one of a few experimentally available materials th.t reside close to th. boundary of a topological phase transition,allowing th. switching of its invariant by mechanical ***,we unambiguously identify a topological insulator–metal transition as a function of strain,by a combination of ab initio calculations and direct measurements of th. local charge *** model quantitatively describes th. response to complex strain patterns found in bubbles of few layer ZrTe_(5) with.ut fitting parameters,reproducing th. mechanical deformation-dependent closing of th. band gap observed using scanning tunneling *** calculate th. topological phase diagram of ZrTe_(5) and identify th. phase at equilibrium,enabling th. design of device architectures,which exploit th. topological switching characteristics of th. system.

关键词： density topological invariant

th. Serum level of CD16 + 56 in Zona

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Journal of Cosmetics, Dermatological Sciences and Applications 2021年第1期11卷 1-9页

作者： Nguyễn Lan anh Bùi th. Vân Vũ th. Trang Đặng Trung th.nh Nguyễn th. Quỳnh Trang Nguyễn th. Tuấn Đặng Văn Em Department of Dermatology Venereology Allergy 108 Military Central Hospital Ha Noi Vietnam Department of Immunology 108 Military Central Hospital Ha Noi Vietnam

Objectives: To study th. change of CD16 + 56 in zona. Materials and Meth.ds: 62 zona patients admitted at Inpatient Department of Dermatology, Venereology Allergy, 108 Military Central Hospital, and 30 health. volunteers who were matched for age and sex participated in th.s study. Prospective, cross-sectional study with.controls was conducted. We measured th. number of CD16 + CD56 by flow cytometry using FACS Callibur. Results: th. mean level of CD16 + 56 in zona patients was 253 ± 200 (106 cells/l), which was lower th.n th.t of control group but th.n increased after treatment. th. change of CD16 + 56 did not correlate with.patients’ age. Patients who were in severe condition or had affected size from 3% or more had a lower number of CD16 + 56 th.n control group. Conclusion: th. number of CD16 + 56 in zona patients were lower th.n th.t of health. people.

关键词： CD16 + 56 Zona

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中国特色社会主义与欧洲社会主义的复兴

世界社会主义研究 2024年第2期9卷 54-56页

作者：蒂尔默·久洛秦振燕中国社会科学院马克思主义研究院

当今世界正面临着多重风险与挑战。资本主义制度深陷危机，匈牙利也深受其害。欧盟正在失去竞争力，欧洲的安全结构已经崩溃，冷战思维挥之不去，人类正面临世界大战的威胁。资本主义无法解决人类面临的各种问题，人们正在寻找新的行之... 详细信息

当今世界正面临着多重风险与挑战。资本主义制度深陷危机，匈牙利也深受其害。欧盟正在失去竞争力，欧洲的安全结构已经崩溃，冷战思维挥之不去，人类正面临世界大战的威胁。资本主义无法解决人类面临的各种问题，人们正在寻找新的行之有效的解决方案。套用马克思主义的表述，可以这样说：现在革命形势还没有到来，但是革命形势是可以到来的!我们不知道什么时候会发生，但我们知道，我们应该知道，这是可能发生的。

关键词：中国特色社会主义欧洲社会主义马克思主义

Charles S. Peirce’s Philosophy of Value

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Language and Semiotic Studies 2021年第3期7卷 55-67页

作者： Winfried Nöth Pontifical Cath.lic University of São Paulo Brazil

th. critical analysis examines th. concept of value in ***’s philosophical writings,distinguishing between value as(1)worth.(2)meaning,(3)significance,(4)semiotic value,(5)in th. math.matical sense,(6)money value,and(7)value by oth.r *** focus is on value in th. sense of Peirce’s th.ee normative sciences aesth.tics,eth.cs,and *** values associated with.th.m are detailed in th.ir phenomenological contexts and with.respect to a supreme value,th. summum ***’s objections against utilitarian conceptions of value in th. philosophy of his century and his conception of scientific research as a value in itself are th. auth.r’s final topic.

关键词： Charles S.Peirce value axiology philosophy of value normative science pure esth.tics eth.cs logic summum bonum science