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    题名 作者 年代 出处 被引量
1Therapeutic upper gastrointestinal tract endoscopy in Paediatric Gastroenterology显示文摘Since the first report of use of endoscopy in children in the 1970 s, there has seen an exponential growthin published experience and innovation in the field. In this review article we focus on modern age therapeutic endoscopy practice, explaining use of traditional as well as new and innovative techniques, for diagnosis and treatment of diseases in the paediatric upper gastrointestinal tract.Imdadur Rahman Praful Patel Philip Boger Shahnawaz Rasheed Mike Thomson Nadeem Ahmad Afzal 2015World Journal of Gastrointestinal Endoscopy2015,7,3:14
2Folic acid supplementation inhibits recurrence of colorectal adenomas:A randomized chemoprevention trial显示文摘AIM: To determine whether folic acid supplementation will reduce the recurrence of colorectal adenomas, the precursors of colorectal cancer, we performed a double-blind placebo-controlled trial in patients with adenomatous polyps. METHODS: In the current double-blind, placebo-controlled trial at this VA Medical Center, patients with colorectal adenomas were randomly assigned to receive either a daily 5 mg dose of folic acid or a matched identical placebo for 3 years. All polyps were removed at baseline colonoscopy and each patient had a follow up colonoscopy at 3 years. The primary endpoint was a reduction in the number of recurrent adenomas at 3 years. RESULTS: Of 137 subjects, who were eligible after confirmation of polyp histology and run-in period to conform compliance, 94 completed the study; 49 in folic acid group and 45 in placebo group. Recurrence of adenomas at 3-year was compared between the two groups. The mean number of recurrent polyps at 3-year was 0.36 (SD, 0.69) for folic acid treated patients compared to 0.82 (SD, 1.17) for placebo treated subjects, resulting in a 3-fold increase in polyp recurrence in the placebo group. Patients below 70 years of age and those with left-sided colonicadenomas or advanced adenomas responded better to folic acid supplementation. CONCLUSION: High dose folic acid supplementation is associated with a signif icant reduction in the recurrence of colonic adenomas suggesting that folic acid may be an effective chemopreventive agent for colorectal neoplasia.Richard Jaszewski Sabeena Misra Martin Tobi Nadeem Ullah Jo Ann Naumoff Omer Kucuk Edi Levi Bradley N Axelrod Bhaumik B Patel Adhip PN Majumdar 2008World Journal of Gastroenterology2008,14,28:10
3Gm Ms1 encodes a kinesin-like protein essential for male fertility in soybean(Glycine max L.)显示文摘The application of heterosis is a promising approach for greatly increasing yield in soybean(Glycine max L.). Nuclear male sterility is essential for hybrid seed production and the utilization of heterosis. Here we report the cloning of the gene underlying the soybean male-sterile mutant ms-1,which has been widely used for recurrent selection in soybean breeding programs. We initially delimited the ms1 locus to a 16.15 kb region on chromosome13, based on SLAF_BSA sequencing followed by genotyping of an F_(2) population segregating for the locus. Compared with the same region in fertile plants, the mutant region lacks a sequence of approximately 38.7 kb containing five protein-coding genes, including an ortholog of the kinesin-like protein gene NACK2, named Gm Ms1. The Gm Ms1 knockout plants generated via CRISPR/Casmediated gene editing displayed a complete malesterile phenotype. Metabolic profiling showed that fertile anthers accumulated starch and sucrose normally, whereas sterile anthers had higher anthocyanin levels and lower flavonoid levels and lower antioxidant enzyme activities. These results provide insights into the molecular mechanisms governing male sterility and demonstrate that Gm Ms1 could be used to create male-sterile lines through targeted mutagenesis. These findings pave the way for designing seed production technology and an intelligent male-sterile line system to utilize heterosis in soybean.Muhammad Nadeem Andong Chen Huilong Hong Dongdong Li Jiajia Li Duo Zhao Wei Wang Xiaobo Wang Lijuan Qiu 2021Journal of Integrative Plant Biology2021,63,6:6
4Biomathematical study of time-dependent flow of a Carreau nanofluid through inclined catheterized arteries with overlapping stenosis显示文摘This work is concerned with the analysis of blood flow through inclined catheterized arteries having a balloon(angioplasty) with time-variant overlapping stenosis. The nature of blood in small arteries is analyzed mathematically by considering it as a Carreau nanofluid. The highly nonlinear momentum equations of nanofluid model are simplified by considering the mild stenosis case. The formulated problem is solved by a homotopy perturbation expansion in terms of a variant of the Weissenberg number to obtain explicit forms for the axial velocity, the stream function, the pressure gradient, the resistance impedance and the wall shear stress distribution. These solutions depend on the Brownian motion number, thermophoresis number, local temperature Grashof number G_r and local nanoparticle Grash of number B_r. The results were also studied for various values of the physical parameters, such as the Weissenberg number W_i, the power law index n, the taper angle φ, the maximum height of stenosis δ~*, the angle of inclination α, the maximum height of balloon σ~*, the axial displacement of the balloon z_d~*,the flow rate F and the Froud number Fr. The obtained results show that the transmission of axial velocity curves through a Newtonian fluid(Wi=0, n=1, Gr=0, Br=0, Nt=0, Nb≠0) is substantially lower than that through a Carreau nanofluid near the wall of balloon while the inverse occurs in the region between the balloon and stenosis. The streamlines have a clearly distinguished shifting toward the stenotic region and this shifting appears near the wall of the balloon, while it has almost disappeared near the stenotic wall and the trapping bolus in the case of horizontal arteries and Newtonian fluid(Wi=0, n=1, Gr=0, Br=0, Nt=0, Nb≠0) does not appear but for the case of Carreau nanofluid bolus appears.Ashfaq Ahmed Sohail Nadeem 2017Journal of Central South University2017,24,11:6
5An Ontology-Based Framework for Semi-Automatic Schema Integration显示文摘Currently, schema integration frameworks use approaches like rule-based, machine learning, etc. This paper presents an ontology-based wrapper-mediator framework that uses both the rule-based and machine learning strategies at the same time. The proposed framework uses global and local ontologies for resolving syntactic and semantic heterogeneity,and XML for interoperability. The concepts in the candidate schemas are merged on the basis of the similarity coefficient,which is calculated using the defined rules and the prior mappings stored in the case-base.Zille Huma Muhammad Jaffar-Ur Rehman Nadeem Iftikhar 2005Journal of Computer Science & Technology2005,20,6:6
6Concomitant-chemoradiotherapy-associated oral lesions in patients with oral squamous-cell carcinoma显示文摘Objective:Oral squamous-cell carcinoma(OSCC)accounts for >90% of oral cancers affecting adults mostly between the fourth to seventh decades of life.The most common OSCC treatment is concomitant chemoradiotherapy(CCRT)having both locoregional and distant control,but CCRT has acute and chronic toxic effects on adjacent normal tissue.This study aimed to determine the side effects of CCRT on the oral mucosa and to characterize the clinicopathology of oral lesions in patients with OSCC.Methods:This descriptive,cross-sectional study was certified by the Ethical Review Committee(UHS/Education/126-12/2728)of the University of Health Sciences,Lahore,Pakistan.OSSC patients(n=81)with various histological subtypes,grades,and stages were recruited,and findings on their oral examination were recorded.These patients received 70,90,and 119 Gy of radiotherapy dosages in combination with the chemotherapy drugs cisplatin and 5-fluorouracil.Data were analyzed using SPSS 20.0.Results:The most common presentation of OSCC was a nonhealing ulcer(63%) involving tongue(55.6%).Clinical findings included mucositis(92.6%)and xerostomia of mild,moderate,and severe degrees in 11.1%,46.9%,and 35.8% cases,respectively.Ulcers(87.7%),palpable lymph nodes(64.2%),limited mouth opening(64.2%)and fistula(40.7%) were also observed.In females,the association of radiotherapy dosage with limited mouth opening,xerostomia,and histological grading was statistically significant(P<0.05).The association of chemotherapy drugs with xerostomia(P=0.003)was also statistically significant.Conclusions:CCRT induced mucositis,xerostomia,and trismus in patients with OSCC.Sadia Minhas Muhammad Kashif Wasif Altaf Nadeem Afzal Abdul Hanan Nagi 2017Cancer Biology & Medicine2017,14,2:6
7Detection and sequencing of plasmid encoded tetracycline resistance determinants(tetA and tetB) from food-borne Bacillus cereus isolates显示文摘Objective:To investigate the detection and sequencing of plasmid encoded tetracycline resistance genes(tet A and tet B) from food-borne and standard strains of Bacillus cereus(B. cereus).Methods:PCR was carried out to detect the tetracycline resistance genes(tet A and tet B) in food-borne B.cereus strains and the amplified products were sequenced.Results:The phenotypic resistance against tetracycline was observed in 39 of the 118 food-borne isolates and two reference strains(MTCC 430 and MTCC 1307) of B.cereus.Among the phenotypically resistant isolates,tet A was detected in 36 food-borne isolates and two reference strains(MTCC 430 and MTCC 1307).whereas,tel B was detected in 12 food-bome isolates and MTCC 1307 strain. Conclusions:A close association was therefore found between phenotypic resistance against tetracycline and presence of tetracycline resistance genes.The tet A and tet B gene fragments were amplified,purified and sequenced.The gene sequences of the isolates studied herein were found similar to tetA and tetB gene sequences of other bacteria available in NCBI.The occurrence of tetA and tetB genes in B.cereus indicate the horizontal transfer of antibiotic resistance determinants from other bacteria into B.cereus.The transfer of these resistant determinants to other potentially pathogenic bacteria may be a matter of great concern.Mudasir Ali Rather Rabinder Singh Aulakh Jatinder Paul Singh Gill Abdul Qayoom Mir Mir Nadeem Hassan 2012Asian Pacific Journal of Tropical Medicine2012,5,9:6
8Gastroenterologist perceptions of faecal microbiota transplantation显示文摘AIM: To explore gastroenterologist perceptions towards and experience with faecal microbiota transplantation(FMT).METHODS: A questionnaire survey consisting of 17 questions was created to assess gastroenterologists' attitude towards and experience with FMT. This was anonymously distributed in hard copy format amongst attendees at gastroenterology meetings in Australia between October 2013 and April 2014. Basic descriptive statistical analyses were performed.RESULTS: Fifty-two clinicians participated. Twenty one percent had previously referred patients for FMT,8% more than once. Ninety percent would refer patients with Clostridium difficile infection(CDI) for FMT if easily available,37% for ulcerative colitis,13% for Crohn's disease and 6% for irritable bowel syndrome. Six percent would not refer any indication,including recurrent CDI. Eighty-six percent would enroll patients in FMT clinical trials. Thirty-seven percent considered the optimal mode of FMT administration transcolonoscopic,17% nasoduodenal,13% enema and 8% oral capsule. The greatest concerns regarding FMT were: 42% lack of evidence,12% infection risk,10% non infectious adverse effects/lack of safety data,10% aesthetic,10% lack of efficacy,4% disease exacerbation,and 2% inappropriate use; 6% had no concerns. Seventy seven percent believed there is a lack of accessibility while 52% had an interest in learning how to provide FMT. Only 6% offered FMT at their institution.CONCLUSION: Despite general enthusiasm,most gastroenterologists have limited experience with,or access to,FMT. The greatest concerns were lack of supportive evidence and safety issues. However a significant proportion would refer indications other than CDI for FMT despite insufficient evidence. These data provide guidance on where education and training are required.Sudarshan Paramsothy Alissa J Walsh Thomas Borody Douglas Samuel Johan van den Bogaerde Rupert WL Leong Susan Connor Watson Ng Hazel M Mitchell Nadeem O Kaakoush Michael A Kamm 2015World Journal of Gastroenterology2015,21,38:5
9Colorectal liver metastases: Current management and future perspectives显示文摘The liver is the commonest site of metastatic disease for patients with colorectal cancer,with at least 25%developing colorectal liver metastases(CRLM)during the course of their illness.The management of CRLM has evolved into a complex field requiring input from experienced members of a multi-disciplinary team involving radiology(cross sectional,nuclear medicine and interventional),Oncology,Liver surgery,Colorectal surgery,and Histopathology.Patient management is based on assessment of sophisticated clinical,radiological and biomarker information.Despite incomplete evidence in this very heterogeneous patient group,maximising resection of CRLM using all available techniques remains a key objective and provides the best chance of long-term survival and cure.To this end,liver resection is maximised by the use of downsizing chemotherapy,optimisation of liver remnant by portal vein embolization,associating liver partition and portal vein ligation for staged hepatectomy,and combining resection with ablation,in the context of improvements in the functional assessment of the future remnant liver.Liver resection may safely be carried out laparoscopically or open,and synchronously with,or before,colorectal surgery in selected patients.For unresectable patients,treatment options including systemic chemotherapy,targeted biological agents,intraarterial infusion or bead delivered chemotherapy,tumour ablation,stereotactic radiotherapy,and selective internal radiotherapy contribute to improve survival and may convert initially unresectable patients to operability.Currently evolving areas include biomarker characterisation of tumours,the development of novel systemic agents targeting specific oncogenic pathways,and the potential reemergence of radical surgical options such as liver transplantation.Jack Martin Angelica Petrillo Elizabeth C Smyth Nadeem Shaida Samir Khwaja HK Cheow Adam Duckworth Paula Heister Raaj Praseedom Asif Jah Anita Balakrishnan Simon Harper Siong Liau Vasilis Kosmoliaptsis Emmanuel Huguet 2020World Journal of Clinical Oncology2020,11,10:5
10Blood flow analysis in tapered stenosed arteries with pseudoplastic characteristics显示文摘Noreen Sher Akbar S. Nadeem 2014International Journal of Biomathematics2014,7,6:5
11Co0.85Se hollow spheres constructed of ultrathin 2D mesoporous nanosheets as a novel bifunctional-electrode for supercapacitor and water splitting显示文摘Hollow spheres of Co0.85Se con structed by two-dime nsional(2D)mesoporous ultrathi nnanosheets were synthesized via simple and costeffective approach.Their bifunctional electrocatalytic-supercapacitive properties were obtained simultaneously due to synergistic effects betweenmacroscopic morphological features and microscopic atomic/electronic structure of Co0.85Se.The as-synthesized hollow spheres of Co0.85Sethat are con structed by 2D mesoporous ultrathin nanosheets exhibit in spiring electrochemical performance for supercapacitor,presenting maximum energy density at high power density(54.66 Wh·kg^-1 at 1.6 kW·kg^-1)and long cycle stability(88%retention after 8,000 cycles).Atthe same time,the hollow spheres of Co0.85Se constructed by 2D mesoporous ultrathin nanosheets display excellent catalytic performaneefor oxygen evolution reaction(OER)due to special structure,high surface area and mesoporous nature of sheets,which achieve lowoverpotential(290 mV at 10 mA·g^-1)and low Tafel slope(81 mV·dec^-1)for Iong-term operation(only 7.8%decay in current density after 9 h).It could be envisioned that the proposed simple approach will pave a new way to synthesize other metal chalcoge nides for energy conversionand storage technology.Nadeem Hussain Fangfang Wu Liqiang Xu Yitai Qian 2019Nano Research2019,12,12:5
12Recent applications of carbon-based composites in defence industry: A review显示文摘Carbon-based composites, including carbon reinforced composites and carbon-matrix composites, in defence technologies have raised a lot of attention due to its significant physical capabilities, superior thermal and mechanical stability, and its eco-friendly nature. Carbon-based composite which incorporating with various carbonaceous materials such as coke, char, black carbon, activated carbon, carbon fibre and other carbon nanomaterials (carbon nanotubes, carbon nanofibres, graphene and graphite) are the greatest viable option for the development of advanced defence technologies. In this review article the characteristics of carbon-based materials and its composites are discussed for their distinct application in defence sectors;aeronautics, maritime, automotive, electronics, energy storage, electromagnetic interference (EMI) shielding and structures. The origin of carbonaceous materials and its production techniques were discussed. Carbon-based composites have a promising future in defence technology, particularly in chemical sensors, drug delivery agents, radar technologies, and nanocomposites due to their low cost, easy availability, flexibility in design and processing.M.M.Harussani S.M.Sapuan Gohar Nadeem Tahrim Rafin W.Kirubaanand 2022Defence Technology(防务技术)2022,18,8:5
13A history of high-power laser research and development in the United Kingdom显示文摘The first demonstration of laser action in ruby was made in 1960 by T.H.Maiman of Hughes Research Laboratories,USA.Many laboratories worldwide began the search for lasers using different materials,operating at different wavelengths.In the UK,academia,industry and the central laboratories took up the challenge from the earliest days to develop these systems for a broad range of applications.This historical review looks at the contribution the UK has made to the advancement of the technology,the development of systems and components and their exploitation over the last 60 years.Colin N.Danson Malcolm White John R.M.Barr Thomas Bett Peter Blyth David Bowley Ceri Brenner Robert J.Collins Neal Croxford A.E.Bucker Dangor Laurence Devereux Peter E.Dyer Anthony Dymoke-Bradshaw Christopher B.Edwards Paul Ewart Allister I.Ferguson John M.Girkin Denis R.Hall David C.Hanna Wayne Harris David I.Hillier Christopher J.Hooker Simon M.Hooker Nicholas Hopps Janet Hull David Hunt Dino A.Jaroszynski Mark Kempenaars Helmut Kessler Sir Peter L.Knight Steve Knight Adrian Knowles Ciaran L.S.Lewis Ken S.Lipton Abby Littlechild John Littlechild Peter Maggs Graeme P.A.Malcolm OBE Stuart P.D.Mangles William Martin Paul McKenna Richard O.Moore Clive Morrison Zulfikar Najmudin David Neely Geoff H.C.New Michael J.Norman Ted Paine Anthony W.Parker Rory R.Penman Geoff J.Pert Chris Pietraszewski Andrew Randewich Nadeem H.Rizvi Nigel Seddon MBE Zheng-Ming Sheng David Slater Roland A.Smith Christopher Spindloe Roy Taylor Gary Thomas John W.G.Tisch Justin S.Wark Colin Webb S.Mark Wiggins Dave Willford Trevor Winstone 2021High Power Laser Science and Engineering2021,9,2:5
14Simulation of the Second Grade Fluid Model for Blood Flow through a Tapered Artery with a Stenosis显示文摘我们通过一根逐渐变细的动脉分析血流动,假定血是第二个顺序液体模型。结果部分微分方程的非线性的含蓄的系统被不安方法解决。表情为砍应力,速度,流动率,墙砍应力和纵的阻抗被获得。不同参数的物理行为也被讨论,作为正在套住现象。[从作者抽象]S. Nadeem Noreen Sher Akbar 2010Chinese Physics Letters2010,27,6:5
15Corrosion behavior of cold-rolled and post heat-treated 316L stainless steel in 0.9wt%NaCl solution显示文摘The effect of cold rolling and post-rolling heat treatment on the microstructural and electrochemical properties of the 316L stainless steel was investigated.Two-pass and four-pass cold-rolled stainless steel specimens were heat-treated by annealing at 900℃followed by quenching in water.During the cold rolling,the microstructure of the as-received specimen transformed from austenite to strain-inducedα′-martensite due to significant plastic deformation that also resulted in significant grain elongation(i.e.,~33%and 223%increases in the grain elongation after two and four rolling passes,respectively).The hardness of the heat-treated as-received specimen decreased from HV 190 to 146 due to the recovery and recrystallization of the austenite grain structure.The cyclic polarization scans of the as-rolled and heat-treated specimens were obtained in 0.9wt%NaCl solution.The pitting potential of the four-pass rolled specimen was significantly increased from 322.3 to 930.5 mV after post-rolling heat treatment.The beneficial effect of the heat treatment process was evident from~10-times-lower corrosion current density and two-orders-of-magnitude-lower passive current density of the heat-treated specimens compared with those of the as-rolled specimens.Similarly,appreciably lower corrosion rate(3.302×10^(−4)mm/a)and higher pitting resistance(1115.5 mV)were exhibited by the postrolled heat-treated specimens compared with the as-rolled 316L stainless steel specimens.K.Bin Tayyab A.Farooq A.Ahmed Alvi A.Basit Nadeem K.M.Deen 2021International Journal of Minerals,Metallurgy and Materials2021,28,3:4
16慢性腰背痛患者的大脑灰质异常:基于体素的形态测量学分析显示文摘目的探讨慢性腰背痛患者大脑灰质的形态学变化。方法选择30例慢性腰背痛患者和30例健康志愿者,行3.0T磁共振扫描,获得高分辨T1结构像数据并用FMRIB软件库中的基于体素的形态学分析方法进行数据处理和统计学分析,获得疼痛组和健康组之间大脑灰质的形态学差异信息。结果与健康志愿者相比较,慢性腰背痛患者大脑皮层多个脑区灰质体积减少,包括双侧额上回、右侧额极、左侧岛叶、左侧颞下回及左侧颞中回(P<0.05,TFCE校正后);皮层下多个灰质核团体积增加,包括左侧丘脑、双侧壳核、双侧伏隔核、右侧尾状核(P<0.05,TFCE校正后)。结论慢性腰背痛患者大脑皮层和皮层下灰质存在不同的改变模式,这种变化可能与大脑对慢性疼痛的适应不良有关。毛翠平 杨全新 唐鉴 杨花娟 白芝兰 张秋娟 Zahid Nadeem 2016南方医科大学学报2016,36,8:4
17Dual behavior of HCV Core gene in regulation of apoptosis is important in progression of HCC显示文摘Shah Jahan Usman A. Ashfaq Saba Khaliq Baila Samreen Nadeem Afzal 2012Infection Genetics and Evolution2012,,2:4
182型糖尿病患者大脑后扣带回谷氨酸代谢的磁共振波谱研究显示文摘目的 探讨2型糖尿病(T2DM)患者大脑后扣带回谷氨酸代谢变化及其与血糖的关系,以了解糖尿病脑病病理生理变化的物质基础。方法 连续收集15例T2DM患者和10例健康志愿者,采用TE-averaged PRESS序列行MRS检查,比较2组间大脑后扣带回谷氨酸(Glu)、N-乙酰天门冬氨酸( NAA)、乙酰胆碱(Cho)和肌酸(Cr)水平差异,分析代谢物与血糖水平之间的关系。结果 与对照组相比,T2DM组大脑后扣带回Cho(P=0.02)及Glu(P〈0.01)含量显著升高,NAA含量显著降低(P=0.03),而Cr在2组间无显著差异(P>0.05)。在对照组和T2DM组,糖化血红蛋白(HbA1c)与Glu之间呈显著正相关(r=0.692,P=0.000),而糖化血红蛋白与NAA呈显著的负相关(r=-0.628,P=0.001)。结论 采用TE-averaged PRESS序列可测定T2DM患者大脑后扣带回脑区代谢物水平的变化,尤其是可以独立测量Glu含量,并发现Glu升高和NAA下降与高血糖有关。张秋娟 戴晓庆 宫琰 白芝兰 李小会 ZAHID NADEEM 何娜 2016实用放射学杂志2016,32,9:4
19Series solution of unsteady peristaltic flow of a Carreau fluid in small intestines显示文摘Arshad Ria S. Nadeem R. Ellahi Noreen Sher Akbar 2014International Journal of Biomathematics2014,7,5:4
20Gene-gene,gene-environment,gene-nutrient interactions and single nucleotide polymorphisms of inflammatory cytokines显示文摘Inflammation plays a significant role in the etiology of type 2 diabetes mellitus(T2DM).The rise in the pro-inflammatory cytokines is the essential step in glucotoxicity and lipotoxicity induced mitochondrial injury,oxidative stress and beta cell apoptosis in T2 DM.Among the recognized markers are interleukin(IL)-6,IL-1,IL-10,IL-18,tissue necrosis factor-alpha(TNF-α),C-reactive protein,resistin,adiponectin,tissue plasminogen activator,fibrinogen and heptoglobins.Diabetes mellitus has firm genetic and very strong environmental influence; exhibiting a polygenic mode of inheritance.Many single nucleotide polymorphisms(SNPs) in various genes including those of pro and antiinflammatory cytokines have been reported as a risk for T2 DM.Not all the SNPs have been confirmed by unifying results in different studies and wide variations have been reported in various ethnic groups.The inter-ethnic variations can be explained by the fact that gene expression may be regulated by gene-gene,gene-environment and gene-nutrient interactions.This review highlights the impact of these interactions on determining the role of single nucleotide polymorphism of IL-6,TNF-α,resistin and adiponectin in pathogenesis of T2 DM.Amina Nadeem Sadaf Mumtaz Abdul Khaliq Naveed Muhammad Aslam Arif Siddiqui Ghulam Mustafa Lodhi Tausif Ahmad 2015World Journal of Diabetes2015,6,4:4
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