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Illumination-Free Clustering Using Improved Slime Mould Algorithm for Acute Lymphoblastic Leukemia Image Segmentation

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Journal of Bionic Engineering 2023年第6期20卷 2916-2934页

作者： Krishna gopal Dhal Swarnajit Ray Sudip Barik Arunita Das Department of Computer Science and Application Midnapore College(Autonomous)Paschim MedinipurMidnaporeWest BengalIndia Department of Computer Science and Engineering Maulana Abul Kalam Azad University of TechnologyKolkataWest BengalIndia Department of Computer Science and Engineering Kalyani Government Engineering CollegeKalyaniWest BengalIndia

Partitional clustering techniques such as K-Means(KM),Fuzzy C-Means(FCM),and Rough K-Means(RKM)are very simple and effective techniques for image ***,because their initial cluster centers are randomly determined,it is often seen that certain clusters converge to local *** addition to that,pathology image segmentation is also problematic due to uneven lighting,stain,and camera settings during the microscopic image capturing ***,this study proposes an Improved Slime Mould Algorithm(ISMA)based on opposition based learning and differential evolution’s mutation strategy to perform illumination-free White Blood Cell(WBC)*** ISMA helps to overcome the local optima trapping problem of the partitional clustering techniques to some *** paper also performs a depth analysis by considering only color components of many well-known color spaces for clustering to find the effect of illumination over color pathology image *** and visual results encourage the utilization of illumination-free or color component-based clustering approaches for image ***-KM and“ab”color channels of CIELab color space provide best results with above-99%accuracy for only nucleus ***,for entire WBC segmentation,ISMA-KM and the“CbCr”color component of YCbCr color space provide the best results with an accuracy of above 99%.Furthermore,ISMA-KM and ISMA-RKM have the lowest and highest execution times,*** the other hand,ISMA provides competitive outcomes over CEC2019 benchmark test functions compared to recent well-established and efficient Nature-Inspired Optimization Algorithms(NIOAs).

关键词： Pathology image Image segmentation Clustering Color space White blood cell Optimization Swarm intelligence Fuzzy clustering Rough clustering

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Frequently Used Allopathic and Traditional Medicine for COVID-19 Treatment and Feasibility of Their Integration

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Chinese Journal of Integrative Medicine 2022年第11期28卷 1040-1047页

作者： Aditya Upadhayay gopal Patel Dharm Pal Awanish Kumar Department of Biotechnology National Institute of TechnologyRaipurCG(492010)India Laboratory of Medicinal Plant Biotechnology College of PharmacyZhejiang Chinese Medical UniversityHangzhou(310053)China Department of Chemical Engineering National Institute of TechnologyRaipurCG(492010)India

To date,no satisfactory treatment for COVID-19 is *** review reported few recent updates regarding the drugs(allopathy/traditional medicines)used for the treatment of COVID-19 concerning clinical *** of the article spotlight the contribution of allopathic and Ayurvedic drugs to the scientific basis for utilization as a potential therapy against COVID-19 infection and provide new insights on the integration of allopathy and traditional *** advocated the combination of these two systems of treatment will ascertain their integrations,and there would be a good possibility and scope for developing a model of integration in the management of *** discussion may help researchers,physicians,and healthcare policymakers to encourage for effective and integrated use of allopathic and Ayurvedic medicines to control the COVID-19 pandemic more effectively.

关键词： COVID-19 allopathy traditional medicine integration promising therapy

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Corrosion,mechanical and microstructural properties of aluminum 7075-carbon nanotube nanocomposites for robots in corrosive environments

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International Journal of Minerals,Metallurgy and Materials 2023年第6期30卷 1140-1151页

作者： Arun David Satheesh Kumar gopal Poovazhagan Lakshmanan Amith Sukumaran Chenbagam Sri Sivasubramaniya Nadar College of Engineering KalavakkamChennai-603110India

The introduction of in-pipe robots for sewage cleaning provides researchers with new options for pipe inspection,such as leakage,crack,gas,and corrosion detection,which are standard applications common in the current industrial *** question that is frequently overlooked in all these cases is the inherent resistance of the robots to *** mechanical,microstructural,and corrosion properties of aluminum 7075 incorporated with various weight percentages(0,0.5wt%,1wt%,and 1.5wt%)of carbon nanotubes(CNTs)are *** is fabricated using a rotational ultrasonication with mechanical stirring(RUMS)-based casting method for improved corrosion resistance without compromising the mechanical properties of the robot.1wt%CNTs-aluminum nanocomposite shows good corrosion and mechanical properties,meeting the requirements imposed by the sewage environment of the robot.

关键词： aluminum 7075 carbon nanotubes rotational ultrasonication with mechanical stirring mechanical characterization microstructure robot

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Pulmonary infarct masquerading as community-acquired pneumonia in the COVID-19 scenario: A case report

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World Journal of Respirology 2024年第1期13卷 1-6页

作者： K K Mujeeb Rahman gopal Durgeshwar Prasanta R Mohapatra Manoj Kumar Panigrahi Siladitya Mahanty Pulmonary Critical Care and Sleep Medicine All India Institute of Medical SciencesBhubaneswarBhubaneswar 751019India Department of Radiodiagnosis All India Institute of Medical SciencesBhubaneswar 751019India

BACKGROUND Pulmonary embolism(PE)requires a high degree of clinical suspicion for its diagnosis and can mimic pneumonia due to its clinical,radiological,and laboratory ***-existence of PE and pneumonia can also occur,which is surprisingly more common than *** SUMMARY Here,we report a case of a young male who initially presented during the peak of the coronavirus disease 2019 pandemic with features of *** was kept under observation and was later diagnosed and treated for a right main pulmonary artery embolism without any identifiable source of *** PE and pneumonia share common clinical,radiological,and laboratory findings that may delay the diagnosis of *** disproportionate to the extent of radiological involvement could be an indicator of an underlying PE.

关键词： Pneumonia Pulmonary embolism Deep vein thrombosis Pulmonary infarct Case report

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Operation makalu air crash:influence of cognitive and human factors on decision-making

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Forensic Sciences Research 2022年第4期7卷 803-807页

作者： Samarika Dahal gopal Kumar Chaudhary Nitin Kumar Agrawal Department of Dentistry Institute of MedicineKathmanduNepal Department of Forensic Medicine Maharajgunj Medical CampusMaharajgunjKathmanduNepal

Two onboard crew members lost their lives in the fatal Makalu Air Cessna Grand Caravan 208B domestic cargo flight crash on May 16,*** Disaster Victim Identification(DVI)procedure comprises external examination,photography,DNAcollection,fingerprint collection,postmortem examination,antemortem information collection from the family members,and *** major challenge of this operation was dealing with cognitive *** antemortem dental information of one of the deceased was revealed to the forensic experts just before the postmortem *** influenced the testing *** was a tendency to neglect the complete dental examination presuming the identification was ***,during a thorough examination,the forensic odontologist realised that the initial decision was ***,there are few experience-based resources available to resolve cognitive bias *** authors begin by summarising complicated operations in which they have been involved,followed by a discussion of the key sources of cognitive bias along with the solution to resolve these issues in DVI preparedness planning.

关键词： Forensic sciences disaster cognitive bias dental identification mortuary Nepal

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A versatile interferometric technique for probing the thermophysical properties of complex fluids

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Light(Science & Applications) 2022年第5期11卷 979-990页

作者： gopal Verma Gyanendra Yadav Chaudry Sajed Saraj Longnan Li Nenad Miljkovic Jean Pierre Delville Wei Li GPL Photonics Lab State Key Laboratory of Applied OpticsChangchun Institute of OpticsFine Mechanics and PhysicsChinese Academy of Sciences130033 ChangchunChina School of Physical Sciences University of LiverpoolLiverpool L693BXUK Materials Research Laboratory University of IllinoisUrbanaILUSA Department of Mechanical Science and Engineering University of IllinoisUrbanaILUSA Department of Electrical and Computer Engineering University of IllinoisUrbanaILUSA International Institute for Carbon Neutral Energy Research(WPI-I2CNER) Kyushu University744 MotookaNishi-kuFukuoka 819-0395Japan University of Bordeaux CNRSLOMAUMR 5798F-33405 TalenceFrance

Laser-induced thermocapillary deformation of liquid surfaces has emerged as a promising tool to precisely characterize the thermophysical properties of pure ***,challenges arise for nanofluid(NF)and soft biofluid systems where the direct interaction of the laser generates an intriguing interplay between heating,momentum,and scattering forces which can even damage soft ***,we report a versatile,pump-probe-based,rapid,and non-contact interferometric technique that resolves interface dynamics of complex fluids with the precision of~1 nm in thick-film and 150 pm in thin-film regimes below the thermal limit without the use of lock-in or modulated *** characterize the thermophysical properties of complex NF in three exclusively different types of ***,when the NF is heated from the bottom through an opaque substrate,we demonstrate that our methodology permits the measurement of thermophysical properties(viscosity,surface tension,and diffusivity)of complex NF and ***,in a top illumination configuration,we show a precise characterization of NF by quantitively isolating the competing forces,taking advantage of the different time scales of these ***,we show the measurement of NF confined in a metal cavity,in which the transient thermoelastic deformation of the metal surface provides the properties of the NF as well as thermo-mechanical properties of the *** results reveal how the dissipative nature of the heatwave allows us to investigate thick-film dynamics in the thin-film regime,thereby suggesting a general approach for precision measurements of complex NFs,biofluids,and optofluidic devices.

关键词： deformation thermophysical film

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Studies on biodiversity and bioprospecting of active mud volcano associated bacteria and actinobacteria from Baratang,Andaman Islands,India

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Systems Microbiology and Biomanufacturing 2023年第2期3卷 339-357页

作者： Balakrishnan Meena Lawrance Anburajan Karankal Aryamol Nambali Valsalan Vinithkumar gopal Dharani Atal Centre for Ocean Science and Technology for Islands National Institute of Ocean TechnologyMinistry of Earth SciencesGovernment of IndiaDollygunjPort BlairAndaman and Nicobar Islands 744103India Marine Biotechnology Division Ocean Science and Technology for Islands GroupNational Institute of Ocean TechnologyMinistry of Earth SciencesGovernment of IndiaChennaiTamil Nadu 600100India Department of Marine Biology Kerala University of Fisheries and Ocean StudiesKochiKerala 682506India

A total of 79 bacteria and 101 actinobacteria strains were isolated from the sediment samples of the different points of Baratang mud volcano viz.,point of the eruption(M),middle of the volcano(MD),and the dried part of the mud volcano(E).Based on the biochemical and molecular characterization,the isolates were categorized under the phyla Proteobacteria,Firmicutes and Proteobacteria included representatives of Classes Alphaproteobacteria,Gammaproteobacteria and Deltaproteobacteria of 29 genera with 38 distinct ***-eight bacterial strains from four different regions of mud volcano revealed excellent activity for indole-3-acetic acid(IAA)*** antagonistic property,plant growth promoting properties such as IAA production,phosphate,potassium and zinc solubilization were identified in Bacillus megaterium NIOT_MV 31 strain of 38 studied *** this study,we investigated the optimization of IAA production by *** NIOT_MV 31 and its formulation as a plant growth promoter to improve economic and agricultural *** IAA yield was achieved using optimal conditions(42.63 mg/mL)in the presence of optimized tryptophan after 4 days of *** increase in the plant growth parameters were observed to that of control *** of culture conditions resulted in a fourfold increase in IAA production by *** NIOT_MV 31 *** results clearly demonstrated that,*** NIOT_MV 31 holds great potential as a source for IAA production and may be useful for commercial applications.

关键词： Mud volcano Plant growth promoter Indole-3-acetic acid Seed germination Bacillus megaterium

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Diffuse alveolar hemorrhage complicating dengue haemorrhagic fever in a 15-year-old boy:A case report

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Asian Pacific Journal of Tropical Medicine 2022年第4期15卷 179-182页

作者： Prashant gopal Chaudhary Niraliben Hareshkumar N.S.S Saranya Pradnya Diggikar Department of General Medicine Dr.D Y Patil Medical CollegeHospital and Research CentrePuneIndia

Rationale:Dengue fever is a viral infection that is spread through the bites of infected female Aedes *** can cause life threatening complications,including dengue haemorrhagic fever(DHF)and dengue shock *** concerns:A 15-year-old male presented with fever and petechiae and later developed ***:Dengue fever with DHF with diffuse alveolar ***:Invasive ventilation with high positive end expiratory pressure,multiple transfusions of packed red blood cells,fresh frozen plasma,single donor platelets and inotropic support Outcomes:The patient was stabilized and discharged on minimal supplemental ***:Diffuse alveolar hemorrhage,although very rare,should be considered in a patient with dengue who presents with *** treatment is directed at providing respiratory and circulatory support,and preventing the progression of microcirculation damage.

关键词： Diffuse alveolar hemorrhage Dengue haemorrhagic fever Dengue virus Pulmonary hemorrhage Acute respiratory distress syndrome

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A dental perspective on the successes and limitations of the disaster victim identification response to the Nepal earthquake

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Forensic Sciences Research 2022年第3期7卷 366-370页

作者： Samarika Dahal gopal Kumar Chaudhary Mani Raj Maharjan Eugen Dolma Walung Department of Oral Pathology&Forensic Dentistry Maharajgunj Medical CampusInstitute of MedicineKathmanduNepal Department of Forensic Medicine Maharajgunj Medical CampusInstitute of MedicineKathmanduNepal

This article describes the forensic odontological analysis of the events of the 2015 Nepal *** identifies the problems encountered in the aftermath,lessons learned,and prospective future advances aimed at reducing the subjectivity in disaster victim identification(DVI).During a crisis,dental practitioners,particularly forensic odontologists,can make a substantial contribution to DVI,as highlighted in this *** also promotes best practices in forensic dentistry that may be used by anyone in situations with few resources or people to deal with comparable scenarios.

关键词： Forensic sciences earthquake forensic dentistry identification Nepal

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A minimalist approach for detecting sensor abnormality in oil and gas platforms

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Petroleum Research 2022年第2期7卷 177-185页

作者： Pauline Wong W.K.Wong Filbert H.Juwono Lenin gopal Mohd Amaluddin Yusoff Curtin Malaysia Digital Innovation(CMDI) Curtin University Malaysia98009MiriSarawakMalaysia Department of Electrical and Computer Engineering Curtin University Malaysia98009MiriSarawakMalaysia

Compressors play an important role in day-to-day operation in most oil and gas platforms,especially in the case for maintaining gas pressure in transportation *** complex problem to detect the sensors health and abnormality as the sensor reading would reflect the various states of the *** ideal situation,sensor readings offer vast amounts of information on compressor health and could possibly indicate early fault of ***,due to harsh site and process operating conditions,sensors are often found to have drifted or failed,and there is no standard methodology to predict abnormality apart from applying emerging industrial smart sensor *** this paper,we investigate a minimalist approach for detecting abnormality of compressor's shaft's RPM *** the sensors in the compressor are correlated,we first use the outputs of other sensors to predict the shaft's RPM using regression-based models(neural networks and multiple linear regression).Second,we calculate the histogram of residuals by taking the difference between the predicted sensor value and the actual sensor value plus the abnormality in terms of bias/miscalibration and *** histogram of residuals can be used for sensor abnormality *** general,sensor states can be monitored by observing the shifting of the mean in the histogram of *** sensor readings contaminated with noise can be seen by a shifted mean whose value is between the normal condition mean and the biased condition *** method is compact and would be relevant to monitor irregularity of the sensors.

关键词： Sensor fault detection Multistage turbine air compressor Multiple linear regression Neural network Oil and gas industry

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