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Effect of the antenna slot numbers and position on the performance of microwave ablation

Medicine in Novel Technology and Devices 2023年第4期20卷 105-113页

作者： Sabiha Binte Aziz Md Rejvi Kaysir Md Jahirul islam torikul islam Mahmudur Rahman Department of Biomedical Engineering(BME) Khulna University of Engineering&TechnologyKhulna-9230Bangladesh Photonics Research Group Department of EEEKhulna University of Engineering&TechnologyKhulna-9230Bangladesh Department of Electrical and Computer Engineering Waterloo Institute for NanotechnologyUniversity of Waterloo200 University AveWaterlooONCanada Department of Biomedical Engineering(BME) New Jersey Institute of TechnologyNewarkNJUSA Department of Electrical and Electronic Engineering Dhaka University of Engineering&TechnologyGazipur 1707Bangladesh

Microwave ablation(MWA)is a type of thermal ablation used for cancer treatment in interventional *** induce localized tissue heating MWA employs electromagnetic waves within the microwave energy spectrum,which is done by the precisely designed *** study substantially emphasizes the design and performance ameliorating of slot(both single and double)antennae and compares the results with conventional monopole antennae in terms of temperature distribution,specific absorption ratio(SAR),and thermal tissue damage *** simulation has been done in COMSOL by solving the Bioheat equation along with Maxwell electromagnetic equations using the finite element *** simulation results reveal that the double-slot antenna has the most accurate and directional heat dissipation for liver tumors as well as the highest tissue damage rate and *** highest SAR was found to be 3500 W/kg and 3350 W/kg at the implant depth of 61 mm and 63 mm for double and single-slot antennae,*** addition,the fastest tissue damage occurred near the upper slot of the double-slot *** study helps to understand the basic design parameters for enhancing single and doubleslot antennae performance.

关键词： Microwave ablation(MWA) Finite element method(FEM) Liver tumor Microwave antenna Specific absorption rate(SAR)

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Unveiling the synthesis,characteristics,electrical conductivity,photocatalytic activity,and electrochemical activity of eco-friendly zinc oxide nanoparticles

Advanced Sensor and Energy Materials

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Advanced Sensor and Energy Materials 2024年第3期3卷 23-28页

作者： Redwanul islam Suprio Shantanu Saha Reana Raen Nayeemul islam torikul islam Department of Biomedical Engineering Khulna University of Engineering&TechnologyKhulna9203Bangladesh Department of Textile Engineering Khulna University of Engineering&TechnologyKhulna9203Bangladesh Department of Biomedical Engineering Chittagong University of Engineering&TechnologyRaozan4349Bangladesh Department of Electrical and Electronic Engineering Bangladesh University of Engineering and TechnologyDhakaBangladesh Department of Biomedical Engineering New Jersey Institute of TechnologyNewarkNJUSA

The Nigella Sativa seeds were utilized for the environment-friendly zinc oxide nanoparticles(ZnO NPs),as evident by the observation of a white *** analytical techniques,such as XRD,FTIR,UV–vis,SEM,and EDX,were utilized to describe the specimen's structural,optical,and electrical *** analysis was used to confirm that the ZnO NPs were *** absorbance peak at 401 nm was observed in the UV–vis,indicating that the ZnO NPs have a 2.91 eV *** groups are present in ZnO NPs,as seen by the FTIR *** nanoparticles'spherical form and average size of 37.9 nm were confirmed by the SEM *** analysis confirmed the composition of the nanoparticles,with zinc accounting for 73.17%and oxygen for 26.83%.ZnO NPs demonstrated excellent electrical conductivity because of their higher surface-to-volume ***,the synthesis of ZnO NPs exhibited effective degradation of methylene blue *** results point to potential applications in several domains,including electronics,biomedical devices,industry,and agriculture,and they call for immediate follow-up research.

关键词： Nigella sativa Zinc oxide nanoparticles SEM XRD Electrical conductivity Photocatalytic

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Advances in the Application of Single-Cell Transcriptomics in Plant Systems and Synthetic Biology

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BioDesign Research 2024年第1期6卷 51-67页

作者： Md torikul islam Yang Liu Md Mahmudul Hassan Paul E.Abraham Jean Merlet Alice Townsend Daniel Jacobson C.Robin Buell Gerald A.Tuskan Xiaohan Yang Biosciences Division Oak Ridge National LaboratoryOak RidgeTN 37831USA The Center for Bioenergy Innovation Oak Ridge National LaboratoryOak RidgeTN 37831USA Department of Genetics and Plant Breeding Patuakhali Science and Technology UniversityDumkiPatuakhali 8602Bangladesh Bredesen Center for Interdisciplinary Research and Graduate Education University of Tennessee KnoxvilleKnoxvilleTN 37996USA Center for Applied Genetic Technologies University of GeorgiaAthensGA 30602USA Department of Crop and Soil Sciences University of GeorgiaAthensGA 30602USA Institute of Plant Breeding Geneticsand GenomicsUniversity of GeorgiaAthensGA 30602USA

Plants are complex systems hierarchically organized and composed of various cell *** understand the molecular underpinnings of complex plant systems,single-cell RNA sequencing(scRNA-seq)has emerged as a powerful tool for revealing high resolution of gene expression patterns at the cellular level and investigating the cell-type ***,scRNA-seq analysis of plant biosystems has great potential for generating new knowledge to inform plant biosystems design and synthetic biology,which aims to modify plants genetically/epigenetically through genome editing,engineering,or re-writing based on rational design for increasing crop yield and quality,promoting the bioeconomy and enhancing environmental *** particular,data from scRNA-seq studies can be utilized to facilitate the development of high-precision Build-Design-Test-Learn capabilities for maximizing the targeted performance of engineered plant biosystems while minimizing unintended side *** date,scRNA-seq has been demonstrated in a limited number of plant species,including model plants(e.g.,Arabidopsis thaliana),agricultural crops(e.g.,Oryza sativa),and bioenergy crops(e.g.,Populus spp.).It is expected that future technical advancements will reduce the cost of scRNA-seq and consequently accelerate the application of this emerging technology in *** this review,we summarize current technical advancements in plant scRNA-seq,including sample preparation,sequencing,and data analysis,to provide guidance on how to choose the appropriate scRNA-seq methods for different types of plant *** then highlight various applications of scRNA-seq in both plant systems biology and plant synthetic biology ***,we discuss the challenges and opportunities for the application of scRNA-seq in plants.

关键词： application biology systems plant advances single-cell synthetic transcriptomics

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