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| 1 | 应用ImageJ程序包进行材料显微组织图像处理、分析和可视化的一种框架(英文)显示文摘显微组织图像(例如胞、粒子与晶粒等)的数字图像处理、分割和分析,对于获取显微组织特征的三维信息非常重要。已有数种商用和共享程序包可以用于图像的处理和分析。'ImageJ'即其中之一,其长期广泛采用及其可扩展插件形式已使其成为许多不同应用领域科学家选用的工具。它包含了处理、分割、重建和可视化材料显微结构所需要的几乎所有基本的和最新的功能以及图像分析工具(例如‘Particle Analyzer’,‘3D object counter’,‘3D Roi Manager’),以用于成组粒子的复杂统计处理。虽然它在生物医学研究领域很受欢迎,被认为是一种有用的和有效的开放源码的图像处理与分析软件,但是在材料科学领域对其所知甚少。面向材料学界,本文尤其是那些没有图像处理和分析经验的材料科学与工程专业人员,在简要介绍ImageJ的基础上,提出了将其应用于在三维空间中处理、分割和分析显微组织结构连续切片图像的一个通用框架。 | Asad Ullah 刘国权 王浩 Dil Faraz Khan Matiullah Khan | 2012 | 中国体视学与图像分析2012，17，4： | 7 |
| 2 | 基于光致变色效应的BaMgSiO4:Bi3+陶瓷的发光性质调控及信息的可逆写入、擦除和读出研究(英文)显示文摘光存储技术与传统固态存储和磁存储相比有许多优点,如成本低、可重复性存储.因此,光存储的需求正在持续增长.本文研究了铋掺杂的硅酸镁钡陶瓷的光致变色及光致发光现象.在紫外线(254 nm)和532 nm激光交替辐照下,实现了陶瓷在灰色与粉红色之间的可逆转变.研究证实MgSiO4:Bi^3+陶瓷的可逆光致变色来源于基质中的氧空位陷阱对电子的俘获和释放.基于可逆光致变色效应在陶瓷表面制作不同颜色的图案,实现了光信号的双模式存储和擦除.同时,在光致变色过程中实现了光致发光的可逆调控;通过这种可逆的发光调控行为,实现存储信息的读出;此外,变色和漂白的程度与光照射时间有关,因此可实现多通路编码存储,有望提高光存储容量. | 任友涛 杨正文 王悦辉 李明骏 邱建备 宋志国 余杰 Asad Ullah Imran Khan | 2020 | Science China Materials2020，63，4： | 5 |
| 3 | Association of post-traumatic stress disorder and work performance: A survey from an emergency medical service, Karachi, Pakistan显示文摘BACKGROUND: The purpose of the study was to explore the association between posttraumatic stress disorder(PTSD) and work performance of emergency medical services personnel in Karachi, Pakistan.METHODS: Emergency medical service personnel were screened for potential PTSD using Impact of Event Scale-Revised(IES-R). Work performance was assessed on the basis of fi ve variables: number of late arrivals to work, number of days absent, number of days sick, adherence to protocol, and patient satisfaction over a period of 3 months. In order to model outcomes like the number of late arrivals to work, days absent and days late, negative binomial regression was applied, whereas logistic regression was applied for adherence to protocol and linear for patient satisfaction scores.RESULTS: Mean scores of PTSD were 24.0±12.2. No association was found between PTSD and work performance measures: number of late arrivals to work(RRadj 0.99; 0.98–1.00), days absent(RRadj 0.98; 0.96–0.99), days sick(RRadj 0.99; 0.98–1.00), adherence to protocol(ORadj 1.01; 0.99–1.04) and patient satisfaction(β 0.001%–0.03%) after adjusting for years of formal schooling, living status, coping mechanism, social support, working hours, years of experience and anxiety or depression.CONCLUSION: No statistically significant association was found between PTSD and work performance amongst EMS personnel in Karachi, Pakistan. | Salima Kerai Omrana Pasha Uzma Khan Muhammad Islam Nargis Asad Junaid Razzak | 2017 | World Journal of Emergency Medicine2017，8，3： | 3 |
| 4 | A split target detection and tracking algorithm for ballistic missile tracking during the re-entry phase显示文摘In the re-entry phase of a ballistic missile,decoys can be deployed as a mean to overburden enemy defenses.This results in a single track being split into multiple track-lets.Tracking of these track-lets is a critical task as any miss in the tracking procedure can become a cause of a major threat.The tracking process becomes more complicated in the presence of clutter.The low detection rate is one of the factors that may contribute to increasing the difficulty level in terms of tracking in the cluttered environment.This work introduces a new algorithm for the split event detection and target tracking under the framework of the joint integrated probabilistic data association(JIPDA)algorithm.The proposed algorithm is termed as split event-JIPDA(SE-JIPDA).This work establishes the mathematical foundation for the split target detection and tracking mechanism.The performance analysis is made under different simulation conditions to provide a clear insight into the merits of the proposed algorithm.The performance parameters in these simulations are the root mean square error(RMSE),confirmed true track rate(CTTR)and confirmed split true track rate(CSTTR). | Muhammad Asad Sumair Khan Ihsanullah Zahid Mehmood Yifang Shi Sufyan Ali Memon Uzair Khan | 2020 | Defence Technology(防务技术)2020，16，6： | 2 |
| 5 | Prevalence of plasmid mediated bla_(TEM-1) and bla_(CTX-M-15) type extended spectrum beta-lactamases in patients with sepsis显示文摘Objective:To characterize the bacterial pathogens in patients having gram negative septicaemia. Further,to evaluate the antimicrobial resistance and underlying molecular mechanisms in these strains.Methods:A total number of 70 cases of gram negative sepsis were included in this prospective,open labeled,observational study.Standard methods for isolation and identification of bacteria were used.Antimicrobial susceptibility and ESBL testing was performed by the standard disc diffusion method.PCR amplification was performed to identify blaCTX-M,blaSHVand blaTEM type ESBLs.Conjugation experiments were performed to show resistant marker transfer. Results:The most prevalent isolates Escherichia coli(E.coli) 58.6%,Klebsiella Spp.32.9%and Pseudomonas 8.6%,were resistant to most of the antimicrobials including cefazolin,ceftriaxone, cefuroxime,ampicillin and co-trimoxazole but sensitive to imipenem and meropenem.ESBL and MBL production was seen 7.3%and 12.2%of E.coli isolates respectively.Three isoaltes were found to have blaCTX-M-15 and two of them also showed blaTEM-1 type enxyme.Whereas, none of them showed blaSHV.Conjugation experiments using J-53 cells confirmed these resistant markers as plasmid mediated.Conclusions:This work highlights the molecular epidemiology of escalating antimicrobial resistance and likely switch over of blaCTX-M-15 type extended spectrum beta-lactamases by blaTEM type ESBLs in India.Further,the antimicrobial resistance by horizontal gene transfer was predominant among Enterobacteraceae in the community setting. | Shahzad F Haque Saeedut-Z Ali Mohammed TP Asad U Khan | 2012 | Asian Pacific Journal of Tropical Medicine2012，5，2： | 2 |
| 6 | Fournier’s gangrene: A dreadful disease显示文摘 | S. Ullah M. Khan M. Asad Ullah Jan | 2009 | The Surgeon2009，，3： | 1 |
| 7 | Spectroscopic study of Alizarin Red S binding with cetyhrimetbylammonium bromide at low concentrations 显示文摘 | FATIMA Gul ASAD M Khan | 2010 | Coloration Technology2010，126，： | 1 |
| 8 | Reliability of the neurological scores for assessment of senserimotor neuropathy in type 2 diabetics显示文摘 | Asad A Hameed MA Khan UA | 2010 | J Pak Med Assoc2010，60，3： | 1 |
| 9 | Formation of crystalline particles from phase change emulsion: Influence of different parameters显示文摘Solidification or crystallization of phase change emulsion in the form of fine emulsion drops in a direct contact coolant at temperatures below their freezing point was studied. This work is mainly focused on the size and shape of the generated particles from phase change emulsified fats. Size of the particles is the major or key factor being considered during their formation, however, other factors that govern the particle size and shape were also observed. The operating parameters of the process were optimized in order to obtain particles of smaller size ranges in the window of current operating conditions. The crystallization of complex emulsion matrices is very difficult to control in the bulk at desired requirement. Hence, the emulsion drop to particle formation has advantage in comparison with the bulk solidification or crystallization. The main objective of this work is to achieve spherical emulsion particles in a direct contact cooling system. Parameters like: stability, characterization, viscosity, and the effect of different energy inputs were examined. Moreover, the effects of the capillary size, interfacial tension, temperature of the emulsion on the particle size were also monitored. | Javed Iqbal Zulfiqar Ali Murid Hussain Rizwan Sheikh Khaliq Majeed Asad Ullah Khan Joachim Ulrich | 2016 | Chinese Journal of Chemical Engineering2016，24，7： | 1 |
| 10 | Coagulopathies in Naja naja karachiensis(black Pakistan cobra) bites and its effect on coagulation tests upon storage of platelet-poor plasma显示文摘 | Asad MH Razi MT Khan T | | 0，，06： | 1 |
| 11 | Primary Anastomosis in the management of acute sigmoid volvulus without colonic lavage显示文摘 | Mumtaz Khan Saf/r UHah Mian Asad | 2007 | JPM12007，2，4： | 1 |
| 12 | Stable Huh-7 cell lines expressing non-structural proteins of genotype 1a of hepatitis C virus显示文摘 | Imran Shahid Sana Gull Bushra Ijaz Waqar Ahmad Muhammad Ansar Sultan Asad Humera Kausar Muhammad Tahir Sarwar Muhammad Kazim Khan Sajida Hassan | 2013 | Journal of Virological Methods2013，，1： | 1 |
| 13 | Effect of a single bolus of dexametha-sone on intraoperative and postoperative pain in unilateralinguinal hernia surgery显示文摘 | Asad M V Khan F A | 2015 | J Anaesthesiol Clin Pharmacol2015，31，3： | 1 |
| 14 | Relationship between job - stress and burnout : Organizational support and creativity as predictor variables 显示文摘 | N ASAD S KHAN | 2003 | Paki- st an Journal of Psychological Research2003，18，3： | 1 |
| 15 | Zingiber officinale ameliorates allergic asthma via suppression of Th2-mediated immune response显示文摘 | Asad Mahmood Khan Muhammad Shahzad M. B. Raza Asim Muhammad Imran Arham Shabbir | 2014 | Pharmaceutical Biology2014，，： | 1 |
| 16 | Reliability of the neurological scores for assessment of sensorimotor neuropathy in type 2 diabetics显示文摘 | Asad A Hameed MA Khan UA | 2010 | J Pak Med Assoc2010，60，3： | 1 |
| 17 | Phase analysis of AlFe_2B_2 by synchrotron X-ray diffraction,magnetic and M?ssbauer studies显示文摘The structural and magnetic properties of essentially phase pure AlFe_2B_2 prepared by arc melting were compared with a sample containing impurities. Analysis was carried out by means of synchrotron X-ray diffraction, magnetic measurements and M?ssbauer spectroscopy. The analysis of synchrotron X-ray diffraction data confirmed the orthorhombic structure of space group Cmmm for AlFe_2B_2 with Al_(13)Fe_4 as main impurity phase. The magnetic measurements revealed an unsaturated ferromagnetic state in AlFe_2B_2 with a transition temperature(T_c) of 286 K. Isothermal magnetization measurment at 5 K gave a saturation magnetization of 0.7 μB per Fe atom while Arrott plots establish the second order nature of ferromagnetic transition. The thermal evolution of M?ssbauer spectra confirmed the ferromagnetic nature of this material revealing an hyperfine field of 73 kOe and an isomer shift of 0.46 mm/s at 100 K. The M?ssbauer spectra of a phase pure sample was compared with the one containing impurity phases. It is suggested that the low temperature paramagnetic contribution in M?ssbauer spectra of phase pure material may have its origin in some intrinsic phenomena arising from defects or inhomogeneities in crystal structure. | Tahir Ali M.N. Khan E. Ahmed Asad Ali | 2017 | Progress in Natural Science:Materials International2017，27，2： | 1 |
| 18 | Aminoglycosides versus bacteria – a description of the action, resistance mechanism, and nosocomial battleground显示文摘 | Shazi Shakil Rosina Khan Raffaele Zarrilli Asad U. Khan | 2008 | Journal of Biomedical Science2008，，1： | 1 |
| 19 | Reversible water- marking based on intelligent coefficient selection and integer wavelet transform显示文摘 | Imran Usman Asifullah Khan Asad Ali | 2009 | Intemational Journal of Innovative Com- puting Information and Control2009，5，12： | 1 |
| 20 | 反射式柔性彩色胆甾相液晶显示器的新进展显示文摘介绍了高柔性分层全彩色胆甾相液晶显示器,它采用分相封装构建在超薄基底上。 | Asad Khan Tod Schneider Erica Montbach Donald J.Davis Nick Miller Duane Marhefka Todd Ernst J.William Doane 代永平 | 2007 | 现代显示2007，，10： | 1 |
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