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| 1 | 氟硅油合成工艺与应用性能研究进展显示文摘该文总结了氟硅油的制备方法,包括硅氢加成法、水解法、开环聚合法,并讨论了分子结构对性能的影响,包括氟硅油多种界面功能的作用机理、氟-硅协同效应等。此外,该文还综述了氟硅油作为润滑剂、消泡剂、整理剂、超疏水材料的研究应用现状。氟硅油应用过程中,以有机磷化合物、硅醇铁等为添加剂能有效地提升氟硅油的抗剪切性、抗氧化性;在分子链中引入聚醚或氨基等制备共改性硅油,能够有效地提升氟硅油的表面性能。最后,对于氟硅油的发展方向和应用前景进行了展望。 | 张德琪 Tariq Aziz 范宏 | 2016 | 精细化工2016,33,8: | 12 |
| 2 | Slippery Photothermal Trap for Outstanding Deicing Surfaces显示文摘Ice accumulation is a safety and operational threat in power lines,wind turbines,and transportations.Surfaces having both passive anti-icing and active deicing functionalities are very rare.Here,we report a self-cleaning slippery photothermal trap,which is icephobic passively and deice the surfaces actively by converting sun light to heat at the ice-substrate interface.The photothermal trap consists of three layers:a candle soot layer act as solar radiation absorber,a magnetic iron oxide Fe_(3)O_(4) nanoparticles layer act as heat spreader for lateral dispersal of sun light,and Room Temperature Vulcanized(RTV)insulation to reduce the transverse heat loss.Upon illumination under microsolar 300,the temperature of the surface increased by 40℃ within 200 s.The heat confinement at the magnetic Fe_(3)O_(4) na-noparticles layer leads to rapid increase of the surface temperature,ice start to melt and silicone lubricant facilitates the ice removal.The slippery photothermal trap removed the frozen droplet(10 fiL)within 40 s upon the illumination of sun light and the frozen droplet was completely converted into water after 7 min illumination of solar light at-20℃.The developed slippery photothermal trap also melted the fully frost covered layer within 100 s at-20℃ under sunlamp.The average defrosted length(25 mm)was also observed by irradiation of laser light for 45 s.The self-cleaning slippery photothermal coating showed outstanding deicing performance at subzero temperature for long term due to the infusion of silicone oil into the nanostructures and same chemical composition with binder. | Muhammad Imran Jamil Qiongyan Wang Amjad Ali Munir Hussain Tariq Aziz Xiaoli Zhan Qinghua Zhang | 2021 | Journal of Bionic Engineering2021,18,3: | 3 |
| 3 | Inhibitory activities of extracts of Rumex dentatus, Commelina benghalensis, Ajuga bracteosa, Ziziphus mauritiana as well as their compounds of gallic acid and emodin against dengue virus显示文摘Objective: To investigate the inhibitory effects against dengue virus serotype 2(DENV-2) by five different fractions(extracted by methanol, ethanol, benzene, chloroform and n-hexane) of Rumex dentatus, Commelina benghalensis, Ajuga bracteosa and Ziziphus mauritiana, as well as their constituents(gallic acid, emodin, and isovanillic acid). Methods: All the samples were tested for cytotoxicity on baby hamster kidney cells by MTT assay and for anti-DENV-2 activity by plaque reduction neutralization assay using two DENV-2 doses(45 and 90 plaqueforming units or PFU). Results: All the samples except isovanillic acid exhibited significant prophylactic effects against DENV-2 infectivity(without cytotoxicity) when administered to cells before infection, but were not effective when given 6 h post-infection. The methanol extract of Rumex dentatus demonstrated the highest antiviral efficacy by inhibiting DENV-2 replication, with IC_(50) of 0.154 μg/mL and 0.234 μg/mL, when added before infection with 45 and 90 PFU of virus, respectively. Gallic acid also exhibited significant antiviral effects by prophylactic treatment prior to virus adsorption on cells, with IC_(50) of 0.191 μg/mL and 0.522 μg/mL at 45 and 90 PFU of DENV-2 infection, respectively. Conclusions: The highly potent activities of the extracts and constituent compounds of these plants against DENV-2 infectivity highlight their potential as targets for further research to identify novel antiviral agents against dengue. | Riffat Batool Ejaz Aziz Tariq Mahmood Benny KH Tan Vincent TK Chow | 2018 | Asian Pacific Journal of Tropical Medicine2018,11,4: | 3 |
| 4 | Performance evaluation of multicast relay network using LDPC and convolutional channel codes along-with XOR network coding显示文摘In this paper,we have compared the performance of joint network channel coding(JNCC) for multicast relay network using low density parity check(LDPC) codes and Convolutional codes as channel codes while exclusive or(XOR) network coding used at the intermediate relay nodes.Multicast relay transmission is a type of transmission scheme in which two fixed relay nodes contribute in the second hop of end-to-end transmission between base transceiver station(BTS) and a pair of mobile stations.We have considered one way and two way multicast scenarios to evaluate the bit error rate(BER) and throughput performance.It has been shown that when using XOR network coding at the intermediate relay nodes,the same transmission becomes possible in less time slots hence throughput performance can be improved.Moreover we have also discussed two possible scenarios in the proposed system model,in which both diversity and multiplexing gain has been considered.It is worth notifying that BER and throughput achieved for LDPC codes is better than Convolutional codes for all the schemes discussed. | Tariq Aziz Nasir Saleem Muhammad Iqba | 2012 | The Journal of China Universities of Posts and Telecommunications2012,19,4: | 3 |
| 5 | Revealing complex optical phenomena through vectorial metrics显示文摘Advances in vectorial polarization-resolved imaging are bringing new capabilities to applications ranging from fundamental physics through to clinical diagnosis.Imaging polarimetry requires determination of the Mueller matrix(MM)at every point,providing a complete description of an object’s vectorial properties.Despite forming a comprehensive representation,the MM does not usually provide easily interpretable information about the object’s internal structure.Certain simpler vectorial metrics are derived from subsets of the MM elements.These metrics permit extraction of signatures that provide direct indicators of hidden optical properties of complex systems,while featuring an intriguing asymmetry about what information can or cannot be inferred via these metrics.We harness such characteristics to reveal the spin Hall effect of light,infer microscopic structure within laser-written photonic waveguides,and conduct rapid pathological diagnosis through analysis of healthy and cancerous tissue.This provides new insight for the broader usage of such asymmetric inferred vectorial information. | Chao He Jintao Chang Patrick S.Salter Yuanxing Shen Ben Dai Pengcheng Li Yihan Jin Samlan Chandran Thodik Mengmeng Li Aziz Tariq Jingyu Wang Jacopo Antonello Yang Dong Ji Qi Jianyu Lin Daniel S.Elson Min Zhang Honghui He Hui Ma Martin J.Booth | 2022 | Advanced Photonics2022,4,2: | 2 |
| 6 | Amblyopia screening for first and second-grade children in Jordan显示文摘AIM:To share the results of a national screening program for amblyopia in school children in the north of Jordan.METHODS:This is a prospective national screening study for amblyopia.The program rolls first and second-grade children(6 to 7 years old) in the north of Jordan.The eye examination included:best-corrected visual acuity,cover-uncover test,and cycloplegic retinoscopy.Monocular visual acuity was tested using an ETDRS visual acuity chart without correction.Moreover,children were tested with full cycloplegic refraction when the test criteria were met.Unilateral amblyopia was defined as a best-corrected visual acuity difference of 2 or more lines.In comparison,bilateral amblyopia was defined as a best-corrected visual acuity of 20/40 or worse in the best eye.RESULTS:The prevalence of amblyopia for the total sample tested(n=17 203) was 2.78%(n=479).The most common cause of amblyopia was hypermetropia(64.45%),followed by previous ocular surgeries(15.1%),myopia(10.43%),strabismus(9.39%),and congenital cataract(0.63%).CONCLUSION:This is the first and only study,identifing modifiable risk factors in Jordanian children with amblyopia.In their first couple of years of elementary education,many Jordanian children are affected by amblyopia and pass unnoticed.A more governmental effort is needed into screening programs to improve vision in the Jordanian population. | Khalil M.Al-Salem Mohammad S.Saleem Ismat Ereifej Hamzeh M.Alrawashdeh Rayed Falah Hussein Obeidat Asma Ali Abdlmohdi Raeda Zaki Al-Momani Layal Mohammed Hammad Omar Ahmad al-Habahbeh Yaqeen M.Assassfeh Laith Ramzi Najib Al-Qsous Ashraf Hatim Adeeb Nasraween Tariq A.Al Maaitah Deya'-Aldin Muneer Hasan Aqeel Ibtehal Eyadeh Awad Alabdulrazzg Abdullah Mahmoud Mohammad Murad Amany Jehad Faleh AL-Zurqan Enas Jamal Mohammad Jaradat Slsabela Emad Suliman Aldhoon Ala'a Majed Dmour Ahmad Talal Asassfeh Jeries Ayman Halaseh Abdel Aziz Ammar Daoud Waha Ayman Alkasasbeh Kholoud GH.Matar | 2022 | International Journal of Ophthalmology(English edition)2022,15,2: | 1 |
| 7 | Rumex dentatus could be a potent alternative to treatment of microbial infections and of breast cancer显示文摘OBJECTIVE:To investigate the phytochemicals and in vitro antioxidant,antimicrobial and cytotoxic potential of Rumex dentatus(R.dentatus)leaf extracts.METHODS:The total phenolics and flavonoids content of R.dentatus extracts were evaluated by the Folin-Ciocalteu and aluminum chloride colorimetric methods respectively.Antioxidant potential of studied plant extracts was assessed through 2,2-diphenyl-1-picrylhydrazyl radical scavenging capacity,total reducing power and total antioxidant methods.Moreover,antibacterial and antifungal capacity was also evaluated by disc diffusion method against six clinically isolated multi-drug resistant bacterial strains as well as six fungal isolates.Further,cell cytotoxicity was also evaluated through3-(4,5-dimethylthiazolyl-2)-2,5-diphenyltetrazolium bromide assay.RESULTS:Ethanol extract showed highest total phenolic[(38.9±1.5)μg gallic acid equivalent/mg]and total flavonoids[(17.2±1.9)μg quercetin equivalent/mg]contents.Antioxidant assays indicated that ethanol and methanol extracts possess potent antioxidant potential.Moreover,it was observed that ethanol and hexane extracts have the potential to inhibit most of the tested multi-drug resistant bacterial strains while methanol,chloroform and hexane extracts could inhibit the growth of pathogenic fungal strains successfully.Among all the studied extracts,ethanolic extract showed highest cytotoxicity against MCF-7 cell line then Hep-2 and DU-145 cell lines by MTT assay with lowest IC50 of 47.3μg/m L.CONCLUSION:These results suggest that R.dentatus could be a potent alternative candidate for treatment of microbial infections and for breast cancer treatment. | Riffat Batool Ejaz Aziz Hina Salahuddin Javed Iqbal Saira Tabassum Tariq Mahmood | 2019 | Journal of Traditional Chinese Medicine2019,39,6: | 1 |
| 8 | Effect of long term no-till and conventional tillage practices on soil quality显示文摘 | Irfan Aziz Tariq Mahmood K. Rafiq Islam | 2013 | Soil & Tillage Research2013,,: | 1 |
| 9 | Analysis of the properties of silicone rubber maxillofacial prosthetic materials显示文摘 | Tariq Aziz Mark Waters Robert Jagger | 2003 | Journal of Dentistry2003,,1: | 1 |
| 10 | A spline method for second -or- der singnlarly oerturbed boundary- value problems 显示文摘 | Tariq Aziz Arahad Khan | 2002 | Journal of Computational and Applied Mathematics2002,,147: | 1 |
| 11 | A laboratory study of the performance of anaerobic waste stabilization ponds显示文摘 | Ahmed K Aziz J A Tariq M N 1988 | 1988 | Sci Tech and Develop1988,7,4: | 1 |
| 12 | Long-term manure application increased soil organic carbon and nitrogen mineralization through accumulation of unprotected and physically protected carbon fractions显示文摘Soil organic carbon(SOC)and nitrogen(N)mineralization are important biogeochemical processes associated with soil fertility.These processes are influenced by physically,chemically,and biologically stabilized SOC fractions,the mechanisms of which are not well known.The present study was conducted to evaluate the combined effect of manure and mineral fertilizers on the contents of SOC fractions to promote the mineralization of SOC and N.Treatments included:i)no fertilizer control(CK);ii)a combination of mineral N,phosphorus,and potassium fertilizers(NPK);iii)manure alone(M);iv)manure combined with NPK(MNPK);and v)a high dose of manure combined with NPK(hMNPK).The combined uses of manure and mineral fertilizers(MNPK and hMNPK)enhanced the accumulation of the unprotected coarse particulate organic carbon(C)fraction(cPOC)by 44%-72%compared to CK.Manure applications(M,MNPK and hMNPK)enhanced physically microaggregate-protected organic C(μagg),physicochemically protected organic C within the microaggregate-derived silt(μsilt)fraction(H-μsilt),and physicobiochemically protected organic C within theμsilt fraction(NH-μsilt)by 30%-56%,62%-150%,and 27%-51%,respectively.In contrast,all chemically and biochemically protected SOC fractions showed a minor response to manure application.Accumulation of cPOC,μagg,H-μsilt,and physicochemically protected organic C within the microaggregate-derived clay fraction(H-μclay)significantly contributed to the mineralization of SOC and N,resulting in a significant increase in rice grain yield with long-term manure application.In summary,long-term combined use of manure and mineral fertilizers improved SOC accumulation in unprotected and physically protected fractions,which enhanced SOC and N mineralization and benefited soil productivity in a rice-wheat cropping system. | Muhammad Nadeem ASHRAF Cheng HU Xiangru XU Tariq AZIZ Lei WU Muhammad Ahmed WAQAS Muhammad FAROOQ Xu HU Wenju ZHANG Minggang XU | 2023 | Pedosphere2023,33,2: | 0 |
| 13 | A multi-purpose National Forest Inventory in Bangladesh:design,operationalisation and key results显示文摘Background:National forest inventory and forest monitoring systems are more important than ever considering continued global degradation of trees and forests.These systems are especially important in a country like Bangladesh,which is characterised by a large population density,climate change vulnerability and dependence on natural resources.With the aim of supporting the Government’s actions towards sustainable forest management through reliable information,the Bangladesh Forest Inventory(BFI)was designed and implemented through three components:biophysical inventory,socio-economic survey and remote sensing-based land cover mapping.This article documents the approach undertaken by the Forest Department under the Ministry of Environment,Forests and Climate Change to establish the BFI as a multipurpose,efficient,accurate and replicable national forest assessment.The design,operationalization and some key results of the process are presented.Methods:The BFI takes advantage of the latest and most well-accepted technological and methodological approaches.Importantly,it was designed through a collaborative process which drew from the experience and knowledge of multiple national and international entities.Overall,1781 field plots were visited,6400 households were surveyed,and a national land cover map for the year 2015 was produced.Innovative technological enhancements include a semi-automated segmentation approach for developing the wall-to-wall land cover map,an object-based national land characterisation system,consistent estimates between sample-based and mapped land cover areas,use of mobile apps for tree species identification and data collection,and use of differential global positioning system for referencing plot centres.Results:Seven criteria,and multiple associated indicators,were developed for monitoring progress towards sustainable forest management goals,informing management decisions,and national and international reporting needs.A wide range of biophysical and socioeconomic data were collected,and in some cases integrated,for estimating the indicators.Conclusions:The BFI is a new information source tool for helping guide Bangladesh towards a sustainable future.Reliable information on the status of tree and forest resources,as well as land use,empowers evidence-based decision making across multiple stakeholders and at different levels for protecting natural resources.The integrated socioeconomic data collected provides information about the interactions between people and their tree and forest resources,and the valuation of ecosystem services.The BFI is designed to be a permanent assessment of these resources,and future data collection will enable monitoring of trends against the current baseline.However,additional institutional support as well as continuation of collaboration among national partners is crucial for sustaining the BFI process in future. | Matieu Henry Zaheer Iqbal Kristofer Johnson Mariam Akhter Liam Costello Charles Scott Rashed Jalal Md.Akhter Hossain Nikhil Chakma Olaf Kuegler Hossain Mahmood Rajib Mahamud Mohammad Raqibul Hasan Siddique Khaled Misbahuzzaman Mohammad Main Uddin Mohammed Al Amin Farid Uddin Ahmed Gael Sola Md.Baktiar Siddiqui Luca Birigazzi Mahmudur Rahman Ilias Animon Saimunnahar Ritu Laskar Muqsudur Rahman Aminul Islam Heather Hayden Frida Sidik Mondal Falgoonee Kumar Rakibul Hassan Mukul Hossain Nishad Ariful Hoque Belal Asif Reza Anik Abdul Khaleque Md.Shaheduzzaman Syed Shahadat Hossain Tariq Aziz Md.Tauhidor Rahaman Ruhul Mohaiman Patrick Meyer Purnata Chakma A.Z.M.Manzoor Rashid Sourav Das Shrabanti Hira Mohammed Jashimuddin Mohammad Mahfuzur Rahman Karl Wurster Sarder Nasir Uddin Abul Kalam Azad S.M.Zahirul Islam Laurent Saint-André | 2021 | Forest Ecosystems2021,8,1: | 0 |
| 14 | 转移到眼前房的转移性乳腺癌病例报道及讨论(英文)显示文摘Intraocular metastases are the most common malignancies of the eye.Carcinoma of the breast is the most common malignancy to metastasize to the uvea usually posterior uvea.Anterior chamber metastasis is extremely rare.We describe a patient of breast cancer who presented with pain and impaired vision in right eye 8.5 months after metastasis to bone and other viscera were detected and more than 10 years after her primary disease was diagnosed.Multiple yellowish white deposits were noted scattered in anterior chamber giving rise to symptoms of acute narrow angle glaucoma.Metastatic deposits of duct cell carcinoma cells were found by fine needle aspiration cytology.Patient received local external beam radiotherapy to right eye with moderate improvement in her symptoms.The rare features in this case were clinical presentation of acute glaucoma and anterior chamber as the site of metastasis. | Vimal Pandita Sheikh Aejaz Aziz Tariq Qureshi Jyoti Raina | 2011 | The Chinese-German Journal of Clinical Oncology2011,10,8: | 0 |
| 15 | A Potential Approach to Enhance the Seebeck Coefficient of UHMWPE by Using the Graphene Oxide显示文摘Thermoelectric materials have been a competent source for the production of energy in the present decade.The most important and potential parameter required for the material to have better thermoelectric characteristics is the Seebeck coefficient.In this work,ultra high molecular weight polyethylene(UHMWPE)and graphene oxide(GO)nanocomposites were prepared by mechanical mixing by containing 10000ppm,50000ppm,70000ppm,100000ppm,150000ppm,and 200000ppm loadings of graphene oxide.Due to the intrinsic insulating nature of UHMWPE,the value of Seebeck for pristine UHMWPE and its nanocomposites with 10000ppm&50000ppm of GO concentration was too low to be detected.However,the Seebeck coefficient for composites with 70000ppm,100000ppm,150000ppm,and 200000ppm loadings of GO was found to be 180,206,230,and 235μV/K,respectively.These higher values of Seebeck coefficients were attributed to the superior thermal insulating nature of UHMWPE and the conductive network induced by the GO within the UHMWPE insulating matrix.Although,the values of the figure of merit and power factor were negligibly small due to the lower concentration of charge carriers in UHMWPE/GO nanocomposites but still reported,results are extremely hopeful for considering the composite as the potential candidate for thermoelectric applications. | Aqsa Irfan Malik Naqash Mehmood Malik Sajjad Mehmood Arif Aziz Mansoor Ahmad Baluch Muhammad Rizwan Tariq Yasin | 2020 | Non-Metallic Material Science2020,2,2: | 0 |
| 16 | National guidelines for the diagnosis and treatment of hilar cholangiocarcinoma显示文摘A consensus meeting of national experts from all major national hepatobiliary centres in the country was held on May 26,2023,at the Pakistan Kidney and Liver Institute&Research Centre(PKLI&RC)after initial consultations with the experts.The Pakistan Society for the Study of Liver Diseases(PSSLD)and PKLI&RC jointly organised this meeting.This effort was based on a comprehensive literature review to establish national practice guidelines for hilar cholangiocarcinoma(hCCA).The consensus was that hCCA is a complex disease and requires a multidisciplinary team approach to best manage these patients.This coordinated effort can minimise delays and give patients a chance for curative treatment and effective palliation.The diagnostic and staging workup includes high-quality computed tomography,magnetic resonance imaging,and magnetic resonance cholangiopancreato-graphy.Brush cytology or biopsy utilizing endoscopic retrograde cholangiopancreatography is a mainstay for diagnosis.However,histopathologic confirmation is not always required before resection.Endoscopic ultrasound with fine needle aspiration of regional lymph nodes and positron emission tomography scan are valuable adjuncts for staging.The only curative treatment is the surgical resection of the biliary tree based on the Bismuth-Corlette classification.Selected patients with unresectable hCCA can be considered for liver transplantation.Adjuvant chemotherapy should be offered to patients with a high risk of recurrence.The use of preoperative biliary drainage and the need for portal vein embolisation should be based on local multidisciplinary discussions.Patients with acute cholangitis can be drained with endoscopic or percutaneous biliary drainage.Palliative chemotherapy with cisplatin and gemcitabine has shown improved survival in patients with irresectable and recurrent hCCA. | Faisal Saud Dar Zaigham Abbas Irfan Ahmed Muhammad Atique Usman Iqbal Aujla Muhammad Azeemuddin Zeba Aziz Abu Bakar Hafeez Bhatti Tariq Ali Bangash Amna Subhan Butt Osama Tariq Butt Abdul Wahab Dogar Javed Iqbal Farooqi Faisal Hanif Jahanzaib Haider Siraj Haider Syed Mujahid Hassan Adnan Abdul Jabbar Aman Nawaz Khan Muhammad Shoaib Khan Muhammad Yasir Khan Amer Latif Nasir Hassan Luck Ahmad Karim Malik Kamran Rashid Sohail Rashid Mohammad Salih Abdullah Saeed Amjad Salamat Ghias-un-Nabi Tayyab Aasim Yusuf Haseeb Haider Zia Ammara Naveed | 2024 | World Journal of Gastroenterology2024,30,9: | 0 |
| 17 | A flexible nickel phthalocyanine resistive random access memory with multi-level data storage capability显示文摘Metal phthalocyanine is considered one of the most promising candidates for the design and fabrication of flexible resistive random access memory(RRAM)devices due to its intrinsic flexibility and excellent functionality.However,performance degradation and the lack of multi-level capability,which can directly expand the storage capacity in one memory cell without sacrificing additional layout area,are the primary obstacles to the use of metal phthalocyanine RRAMs in information storage.Here,a flexible RRAM with pristine nickel phthalocyanine(Ni Pc)as the resistive layer is reported for multi-level data storage.Due to its high trap-concentration,the charge transport behavior of the device agrees well with classical space charge limited conduction controlled by traps,leading to an excellent performance,including a high on-off current ratio of 10^(7),a long-term retention of 10^(6)s,a reproducible endurance over6000 cycles,long-term flexibility at a bending strain of 0.6%,a write speed of 50 ns under sequential bias pulses and the capability of multi-level data storage with reliable retention and uniformity. | Tariq Aziz Yun Sun Zu-Heng Wu Mustafa Haider Ting-Yu Qu Azim Khan Chao Zhen Qi Liu Hui-Ming Cheng Dong-Ming Sun | 2021 | Journal of Materials Science & Technology2021,,27: | 0 |
| 18 | Comparison of resistive index and shear-wave elastography in the evaluation of chronic kidney allograft dysfunction显示文摘BACKGROUND Detection of early chronic changes in the kidney allograft is important for timely intervention and long-term survival.Conventional and novel ultrasound-based investigations are being increasingly used for this purpose with variable results.AIM To compare the diagnostic performance of resistive index(RI)and shear wave elastography(SWE)in the diagnosis of chronic fibrosing changes of kidney allograft with histopathological results.METHODS This is a cross-sectional and comparative study.A total of 154 kidney transplant recipients were included in this study,which was conducted at the Departments of Transplantation and Radiology,Sindh Institute of Urology and Transplantation,Karachi,Pakistan,from August 2022 to February 2023.All consecutive patients with increased serum creatinine levels and reduced glomerular filtration rate(GFR)after three months of transplantation were enrolled in this study.SWE and RI were performed and the findings of these were evaluated against the kidney allograft biopsy results to determine their diagnostic utility.RESULTS The mean age of all patients was 35.32±11.08 years.Among these,126(81.8%)were males and 28(18.2%)were females.The mean serum creatinine in all patients was 2.86±1.68 mg/dL and the mean estimated GFR was 35.38±17.27 mL/min/1.73 m2.Kidney allograft biopsy results showed chronic changes in 55(37.66%)biopsies.The sensitivity,specificity,positive predictive value(PPV),and negative predictive value(NPV)of SWE for the detection of chronic allograft damage were 93.10%,96.87%%,94.73%,and 95.87%,respectively,and the diagnostic accuracy was 95.45%.For RI,the sensitivity,specificity,PPV,and NPV were 76.92%,83.33%,70.17%,and 87.62%,respectively,and the diagnostic accuracy was 81.16%.CONCLUSION The results from this study show that SWE is more sensitive and specific as compared to RI in the evaluation of chronic allograft damage.It can be of great help during the routine follow-up of kidney transplant recipients for screening and early detection of chronic changes and selecting patients for allograft biopsy. | Ameet Kumar Jesrani Syed M Faiq Rahma Rashid Tariq Ali Kalwar Rehan Mohsin Tahir Aziz Nida Amin Khan Muhammed Mubarak | 2024 | World Journal of Transplantation2024,14,1: | 0 |
| 19 | An Ensemble of Optimal Deep Learning Features for Brain Tumor Classification显示文摘Owing to technological developments,Medical image analysis has received considerable attention in the rapid detection and classification of diseases.The brain is an essential organ in humans.Brain tumors cause loss of memory,vision,and name.In 2020,approximately 18,020 deaths occurred due to brain tumors.These cases can be minimized if a brain tumor is diagnosed at a very early stage.Computer vision researchers have introduced several techniques for brain tumor detection and classification.However,owing to many factors,this is still a challenging task.These challenges relate to the tumor size,the shape of a tumor,location of the tumor,selection of important features,among others.In this study,we proposed a framework for multimodal brain tumor classification using an ensemble of optimal deep learning features.In the proposed framework,initially,a database is normalized in the form of high-grade glioma(HGG)and low-grade glioma(LGG)patients and then two pre-trained deep learning models(ResNet50 and Densenet201)are chosen.The deep learning models were modified and trained using transfer learning.Subsequently,the enhanced ant colony optimization algorithm is proposed for best feature selection from both deep models.The selected features are fused using a serial-based approach and classified using a cubic support vector machine.The experimental process was conducted on the BraTs2019 dataset and achieved accuracies of 87.8%and 84.6%for HGG and LGG,respectively.The comparison is performed using several classification methods,and it shows the significance of our proposed technique. | Ahsan Aziz Muhammad Attique Usman Tariq Yunyoung Nam Muhammad Nazir Chang-Won Jeong Reham R.Mostafa Rasha H.Sakr | 2021 | Computers, Materials & Continua2021,,11: | 0 |