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Swarm Optimization and Machine Learning for Android Malware Detection

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Computers, Materials & Continua 2022年第12期73卷 6327-6345页

作者： K.Santosh Jhansi p.ravi kiran Varma Sujata Chakravarty Centurion University of Technology and Management ParalakhemundiOdishaIndia Maharaj Vijayaram Gajapathi Raj College of Engineering VizianagaramIndia Centurion University of Technology and Management BhubaneswarOdishaIndia

Malware Security Intelligence constitutes the analysis of applications and their associated metadata for possible security *** programming Interfaces(ApI)calls contain valuable information that can help with malware *** malware analysis with reduced feature space helps for the efficient identification of *** goal of this research is to find the most informative features of ApI calls to improve the android malware detection *** swarm optimization methods,viz.,Ant Lion Optimization(ALO),Cuckoo Search Optimization(CSO),and Firefly Optimization(FO)are applied to ApI calls using auto-encoders for identification of most influential *** nature-inspired wrapperbased algorithms are evaluated using well-known Machine Learning(ML)classifiers such as Linear Regression(LR),Decision Tree(DT),Random Forest(RF),K-Nearest Neighbor(KNN)&SupportVector Machine(SVM).A hybrid Artificial Neuronal Classifier(ANC)is proposed for improving the classification of android *** experimental results yielded an accuracy of 98.87%with just seven features out of hundred ApI call features,i.e.,a massive 93%of data optimization.

关键词： Android malware ApI calls auto-encoders ant lion optimization cuckoo search optimization firefly optimization artificial neural networks artificial neuronal classifier

primary sclerosing cholangitis and the risk of colon neoplasia in patients with Crohn’s colitis

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Gastroenterology Report 2016年第3期4卷 226-231,I0002页

作者： Udayakumar Navaneethan Tarun Rai preethi GK Venkatesh ravi p kiran Department of Gastroenterology Digestive disease InstituteThe Cleveland ClinicClevelandOHUSA Department of Colorectal Surgery Digestive disease InstituteThe Cleveland ClinicClevelandOHUSA

Background and aim:Crohn’s colitis(CC)is associated with primary sclerosing cholangitis(pSC).However the risk of colon cancer or dysplasia in CC and pSC is *** aim was to study the risk of colon neoplasia in CC in patients with and without ***:This is a nested,case-control cohort study of all patients diagnosed with concurrent CC and pSC,seen at the Cleveland Clinic between 1985 and ***-three patients with both CC and pSC were compared with a random sample of 159 CC controls without pSC during the same ***:Seven(16.3%)of 43 CC patients with pSC developed colon cancer or dysplasia,compared with 22(13.8%)of 159 controls(p=0.98).Of seven colon neoplasia cases in the pSC group,100%occurred proximal to the splenic flexure,compared with 50%(11/22)cases of colon neoplasia in controls occurring in the proximal colon(p=0.001).Based on Cox regression analysis,male gender independently increased the risk of neoplasia[hazard ratio(HR)=2.68;95%confidence interval(CI)1.30-5.54;p=0.008],as did age at CC diagnosis(HR=1.29;95%CI 1.14-1.47;pprine/6-mercaptopurine was protective(HR=0.30;95%CI 0.13-0.70;p=0.005).The presence of pSC did not increase the risk for colon neoplasia(HR=0.45;95%CI 0.18-1.13;p=0.09).Conclusions:CC patients with pSC appear not to be at increased risk of developing colon *** patients in our cohort with colon neoplasia and concurrent pSC,the neoplasia occurred in the proximal colon in all cases.

关键词： Crohn’s colitis primary sclerosing cholangitis colon neoplasia

Comparison of outcomes for patients with primary sclerosing cholangitis associated with ulcerative colitis and Crohn’s disease

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Gastroenterology Report 2016年第1期4卷 43-49,I0002页

作者： Udayakumar Navaneethan preethi GK Venkatesh Ramprasad Jegadeesan Vennisvasanth Lourdusamy Jeffrey p Hammel ravi p kiran Bo Shen Department of Gastroenterology Digestive Disease InstituteThe Cleveland ClinicClevelandOHUSA Department of Colorectal Surgery Columbia University Medical CenterNew York Presbyterian HospitalNew YorkNYUSA.

Background:The comparative outcomes of ulcerative colitis(UC)and Crohn’s disease(CD)in patients with primary sclerosing cholangitis(pSC)are unclear;the aim of our study was to make an objective ***:A total of 273 patients with pSC and inflammatory bowel disease(223 with UC and 50 with CD)were *** and demographic variables were ***:The pSC risk score was similar for both *** median follow-up period in patients with pSC-UC was 12 years(range 0–38)and that for pSC-CD was 14 years(range 1–36).The median number of disease flares per year was higher in pSC-UC patients than in the pSC-CD group[1vs.0(ranges 0–20 and 0–9,respectively);ppatients with UC developed colon neoplasia than CD(35.9%vs.18%;p=0.009).On proportional hazards analysis for the risk of colectomy,UC patients had a 12%higher risk for colectomy[hazard ratio(HR)=0.88;95%confidence interval(CI)0.51–1.51;p=0.64].Liver transplantation for pSC was associated with decreased risk(HR=0.57;95%CI 0.37–0.89;p=0.013),while colon neoplasia increased the risk(HR=3.83;95%CI 2.63–5.58;pproportional hazards analysis for the risk of colon neoplasia,UC patients had 56%higher risk of developing colon neoplasia than CD(HR=0.44;95%CI 0.16–1.25;p=0.12).Conclusions:pSC patients with CD appear to be associated with a lower risk of colon neoplasia and colectomy than pSC patients with UC.

关键词： primary sclerosing cholangitis ulcerative colitis Crohn’s disease colon neoplasia colectomy liver transplantation

Effect of quality of bowel preparation on quality indicators of adenoma detection rates and colonoscopy completion rates

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Gastroenterology Report 2016年第2期4卷 148-153,I0003页

作者： Tarun Rai Udayakumar Navaneethan Tushar Gohel Amareshwar podugu prashanthi N.Thota ravi p.kiran Rocio Lopez Madhusudhan R.Sanaka Digestive Disease Institute The Cleveland ClinicClevelandOHUSA

Background and aim:Adequate bowel preparation is important for safe and effective *** indicators(QI)for colonoscopy include achieving at least 95%completion rate and an adenoma detection rate(ADR)of at least 25%in average-risk men and 15%in average-risk women aged over *** aim was to investigate the impact of bowel preparation on ADR and colonoscopy completion ***:This retrospective cohort study included patients who underwent colonoscopy between January 2008 and December *** main outcome measurements were ADR and colonoscopy completion rates to the ***:A total of 2519 patients was included;1030(41.0%)had excellent preparation,1145(45.5%)good-,240(9.5%)fair-,and 104(4.1%)poor *** completion rates were significantly lower in patients with poor or fair preparation(72.1%and 75.4%,respectively)than in those with good and excellent preparation(99.7%and 99.9%,respectively;pppreparation(excellent,good,fair and poor)at 24.2%vs.26.8%vs.32.1%vs.22.1%,respectively;p¼*** the groups had ADR above the QI(25%for men and 15%for women)with evidence of significantly higher ADR in the women with excellent or good preparation and in men with excellent,good or fair *** multivariate analysis,male gender was significantly associated with increased ADR(ppreparation did not influence ***:patients with fair and poor standards of preparation have significantly lower colonoscopy completion rates than those with excellent and good ***,there was no difference in ADR between the different grades of preparation.

关键词： bowel preparation adenoma detection rate colonoscopy completion rate quality indicators

Intrusion Detection Model Using Chaotic MAp for Network Coding Enabled Mobile Small Cells

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Computers, Materials & Continua 2024年第3期78卷 3151-3176页

作者： Chanumolu kiran Kumar Nandhakumar Ramachandran School of Computer Science and Engineering VIT-AP UniversityAmaravatiAndhra Pradesh522241India

Wireless Network security management is difficult because of the ever-increasing number of wireless network malfunctions,vulnerabilities,and *** security systems,such as Intrusion Detection Systems(IDS),are essential due to the limitations of simpler security measures,such as cryptography and *** to their compact nature and low energy reserves,wireless networks present a significant challenge for security *** features of small cells can cause threats to the *** Coding(NC)enabled small cells are vulnerable to various types of *** attacks and performing secure“peer”to“peer”data transmission is a challenging task in small *** to the low power and memory requirements of the proposed model,it is well suited to use with constrained small *** attacker cannot change the contents of data and generate a new Hashed Homomorphic Message Authentication Code(HHMAC)hash between transmissions since the HMAC function is generated using the shared *** this research,a chaotic sequence mapping based low overhead 1D Improved Logistic Map is used to secure“peer”to“peer”data transmission model using lightweight H-MAC(1D-LM-p2p-LHHMAC)is proposed with accurate intrusion *** proposed model is evaluated with the traditional models by considering various evaluation metrics like Vector Set Generation Accuracy Levels,Key pair Generation Time Levels,Chaotic Map Accuracy Levels,Intrusion Detection Accuracy Levels,and the results represent that the proposed model performance in chaotic map accuracy level is 98%and intrusion detection is 98.2%.The proposed model is compared with the traditional models and the results represent that the proposed model secure data transmission levels are high.

关键词： Network coding small cells data transmission intrusion detection model hashed message authentication code chaotic sequence mapping secure transmission

A functional gel polymer electrolyte based on pVDF-HFp/gelatin toward dendrite-free lithium metal batteries

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Nano Research 2024年第4期17卷 2790-2799页

作者： Xiaoyi Hu Kangli Liu Shijie Zhang Guosheng Shao S.ravi p.Silva peng Zhang State Center for International Cooperation on Designer Low-carbon and Environmental Materials(CDLCEM) School of Materials Science and EngineeringZhengzhou UniversityZhengzhou 450001China Zhengzhou Materials Genome Institute(ZMGI) ZhongyuanzhiguXingyang 450100China Nanoelectronics Center Advanced Technology InstituteUniversity of SurreyGuildfordGU27XHUK

The leakage of liquid electrolyte and the formation of lithium dendrites pose challenges to safety and stability of lithium metal batteries(LMBs).The appearance of gel polymer electrolyte(GpE)has obviously improved the safety of traditional ***,the limited inhibition of GpE on lithium dendrites is detrimental to the safety of ***,a kind of poly(vinylidene fluoride-co-hexafluoropropylene)(pVDF-HFp)/gelatin(GN)GpE with high ionic conductivity,high-temperature resistance,and flame-retardancy,was prepared by electrospinning and soaking *** the electrospinning network of pVDF-HFp,its affinity to liquid electrolytes,makes this GpE more beneficial to ions transport and the formation of ***,the GN with sol–gel properties,enhances the mechanical property(13.5 Mpa)of HFp-GN ***,X-ray photoelectron spectroscopy(XpS)and density functional theory(DFT)suggest that the attraction of polar groups of GN to Li+can regulate the distribution of Li+and protect Li ***,the application of HFp-GN GpEs to LMBs with cathodes of LiFepO_(4) and LiCoO_(2) deliver excellent electrochemical performances:after 300 cycles,the LiFepO_(4)/HFp-GN GpE/Li battery keeps a low capacity decay rate of 0.09%at 5 C;after 400 cycles at 2 C,the LiCoO_(2)/HFp-GN GpE/Li cell retains a high capacity retention of 74%.This GpE is demonstrated for the application prospect of safe LMBs.

关键词： poly(vinylidene fluoride-co-hexafluoropropylene)(pVDF-HFp) gelatin polar groups lithium metal battery lithium dendrite

Advancing orthopaedic trauma care through WhatsApp:An analysis of clinical and non-clinical applications,challenges,and future directions

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World Journal of Orthopedics 2024年第6期15卷 529-538页

作者： ravi Saini Madhan Jeyaraman Naveen Jeyaraman Vijay Kumar Jain Swaminathan Ramasubramanian Karthikeyan p Iyengar Department of Orthopaedics Atal Bihari Vajpayee Institute of Medical SciencesDr Ram Manohar Lohia HospitalNew Delhi 110001India Department of Orthopaedics ACS Medical College and HospitalDr MGR Educational and Research InstituteChennai 600077Tamil NaduIndia Department of Orthopaedics Government Medical CollegeOmandurar Government EstateChennai 600002Tamil NaduIndia Department of Trauma and Orthopaedics Southport and Ormskirk HospitalsMersey and West Lancashire Teaching NHS TrustSouthport PR86PNUnited Kingdom

The integration of WhatsApp,a widely-used instant messaging application(IMA),into the realm of orthopaedics and trauma surgery has emerged as a significant development in recent *** paper explores the multifaceted role of WhatsApp in orthopaedics,focusing on its clinical and non-clinical applications,advantages,disadvantages,and future *** study synthesizes findings from various research papers,emphasizing the growing reliance on mobile technology in ***’s role in orthopaedics is notable for its ease of use,real-time communication,and ***,it facilitates triage,teleconsultation,diagnosis,treatment,patient advice,and post-operative ***-clinically,it supports telemedicine,teleradiology,virtual frac-ture clinics,research,and education in orthopaedic *** application has proven beneficial in enhancing communication among healthcare teams,providing quick responses,and motivating junior *** use in educational settings has been shown to improve learner’s understanding and patient ***,the use of WhatsApp in orthopaedics is not without *** include the potential spread of misleading information,privacy concerns,and issues with image quality affecting diagnosis and treatment *** paper acknowledges the importance of maintaining professional boundaries and the need for oversight measures to ensure content *** forward,the potential of WhatsApp and similar IMAs in orthopaedics lies in their ability to streamline data collection and retrieval,improve doctor-patient communication,and address challenges like bureaucratic red tape and limited *** paper suggests that future orthopaedic practice,particularly in emergency departments,will increasingly rely on such technologies for efficient patient *** shift,however,must be approached with an understanding of the ethical,legal,and practical implications of integrating social media and mobile

关键词： Social media WhatsApp Orthopaedics Trauma Research

Expansion of human umbilical cord derived mesenchymal stem cells in regenerative medicine

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World Journal of Stem Cells 2024年第4期16卷 410-433页

作者： Shafiqa Naeem Rajput Bushra kiran Naeem Anwar Ali Asmat Salim Irfan Khan Dr.panjwani Center for Molecular Medicine and Drug Research International Center for Chemical and Biological SciencesUniversity of KarachiKarachi 75270SindhPakistan Surgical Unit 4 Dr.Ruth KM Pfau Civil HospitalKarachi 74400Pakistan Department of physiology University of KarachiKarachi 75270Pakistan Center for Regenerative Medicine and Stem Cells Research and Department of Ophthalmology and Visual SciencesThe Aga Khan UniversityKarachi 74800SindhPakistan

BACKGROUND Stem cells are undifferentiated cells that possess the potential for self-renewal with the capacity to differentiate into multiple *** humans,their limited numbers pose a challenge in fulfilling the necessary demands for the regeneration and repair of damaged tissues or *** suggested that mesenchymal stem cells(MSCs),necessary for repair and regeneration via transplantation,require doses ranging from 10 to 400 million ***,the limited expansion of MSCs restricts their therapeutic *** To optimize a novel protocol to achieve qualitative and quantitative expansion of MSCs to reach the targeted number of cells for cellular transplantation and minimize the limitations in stem cell therapy *** Human umbilical cord(hUC)tissue derived MSCs were obtained and *** cultured cells were subjected to the following evaluation pro-cedures:Immunophenotyping,immunocytochemical staining,trilineage differentiation,population doubling time and number,gene expression markers for proliferation,cell cycle progression,senescence-associatedβ-galactosidase assay,human telomerase reverse transcriptase(hTERT)expression,mycoplasma,cytomegalovirus and endotoxin *** Analysis of pluripotent gene markers Oct4,Sox2,and Nanog in recultured hUC-MSC revealed no significant *** immunophenotypic markers CD90,CD73,CD105,CD44,vimentin,CD29,Stro-1,and Lin28 were positively expressed by these recultured expanded MSCs,and were found negative for CD34,CD11b,CD19,CD45,and *** recultured hUC-MSC population continued to expand through passage *** gene expression of pax6,BMp2,and TGFb1 showed no significant variation between recultured hUC-MSC ***,a significant increase(pphase of the cell cycle was observed in recultured *** senescence markers(hTERT expression andβ-galactosidase activity)did not show any negative effect on recultured hUC-

关键词： Human umbilical cord Mesenchymal stem cells Expansion Cell proliferation In vitro expansion Senescence

A Two-Tier Fuzzy Meta-Heuristic Hybrid Optimization for Dynamic Android Malware Detection

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Journal of Cyber Security 2022年第3期4卷 185-202页

作者： K.Santosh Jhansi Sujata Chakravarty p.ravi kiran Varma Centurion University of Technology and Management ParalakhemundiOdishaIndia Maharaj Vijayaram Gajapathi Raj College of Engineering ViizianagaramIndia Centurion University of Technology and Management BhubaneswarOdishaIndia

Application programming Interface(ApI)call feature analysis is the prominent method for dynamic android malware *** benchmark androidmalware ApI dataset includes featureswith high *** all features of the data are relevant,filtering unwanted features improves *** paper proposes fuzzy and meta-heuristic optimization hybrid to eliminate insignificant features and improve the *** the first phase fuzzy benchmarking is used to select the top best features,and in the second phase meta-heuristic optimization algorithms viz.,Moth Flame Optimization(MFO),Multi-Verse Optimization(MVO)&Whale Optimization(WO)are run with Machine Learning(ML)wrappers to select the best from the *** ML methods viz.,Decision Tree(DT),Random Forest(RF),K-NearestNeighbors(KNN),Naie Bayes(NB)&NearestCentroid(NC)are compared as *** experiments are conducted and among them,the best post reduction accuracy of 98.34% is recorded with 95% elimination of *** proposed novelmethod outperformed among the existing works on the same dataset.

关键词： Wrapper feature selection multi-verse optimization moth flame optimization whale optimization malware detection classification