- Antenna Design and Analysis
- Microwave Imaging and Scattering Analysis
- Wireless Body Area Networks
- Microwave Engineering and Waveguides
- Photoacoustic and Ultrasonic Imaging
- Advanced Antenna and Metasurface Technologies
- Thermography and Photoacoustic Techniques
- Optical Imaging and Spectroscopy Techniques
- Energy Harvesting in Wireless Networks
- Antenna Design and Optimization
- Metamaterials and Metasurfaces Applications
- Ultrasound and Hyperthermia Applications
- Hydrology and Watershed Management Studies
- Microwave and Dielectric Measurement Techniques
- Indoor and Outdoor Localization Technologies
- Geophysical Methods and Applications
- Water resources management and optimization
- Opportunistic and Delay-Tolerant Networks
- Bluetooth and Wireless Communication Technologies
- Thermal Regulation in Medicine
- Ferroelectric and Negative Capacitance Devices
- Advanced Memory and Neural Computing
- Nanoplatforms for cancer theranostics
- Mobile Ad Hoc Networks
- Ultrasonics and Acoustic Wave Propagation
University of Illinois Chicago
2021-2025
Jahangirnagar University
2024
Hajee Mohammad Danesh Science and Technology University
2024
Bangladesh Fisheries Research Institute
2024
University of Rajshahi
2023
Institute of Water Modelling
2014-2023
Inje University
2023
National Institute of Technology Karnataka
2023
Collaborative Innovation Center of Chemical Science and Engineering Tianjin
2022
State Key Laboratory of Chemical Engineering
2022
Abstract Globally, breast cancer is a major reason for female mortality. Due to the limitations of current clinical imaging, researchers are encouraged explore alternative and complementary tools available techniques detect tumor in an earlier stage. This article outlines new, portable, low-cost microwave imaging (MWI) system using iterative enhancing technique imaging. A compact side slotted tapered slot antenna designed The radiating fins modified by etching nine rectangular slots....
A complementary split-ring resonator (CSRR) based metamaterial is designed and investigated in this paper for microwave applications with effective medium ratio. This CSRR the modification of conventional resonator. Three square resonators (SSRR) are interconnected a strip line as well two splits three applied to increase electrical length coupling effect. The has an impact on extraction permittivity, permeability, refractive index. dimension unit cell 5.5 × mm2 that printed FR4 material. An...
Microwave breast imaging has been reported as having the most potential to become an alternative or additional tool existing X-ray mammography technique for detecting tumors. antenna sensor performance plays a significant role in microwave system applications because image quality is mostly affected by array properties like number of sensors and size sensors. In this paper, new successful early detection tumor using balanced slotted antipodal Vivaldi Antenna (BSAVA) presented. The designed...
In this paper, the design consideration is investigated for a cylindrical system with low-cost and low-loss dielectric materials detection of breast tumor using iteratively corrected delay multiply sum (IC- DMAS) algorithm. Anomaly in tissue one most crucial health issues women all over world today. Emergency medical imaging diagnosis can be harmlessly managed by microwave-based analysis technology. Microwave Imaging (MI) has been proved to reliable monitoring approach that play fundamental...
Transfontanelle ultrasound imaging (TFUI) is the conventional approach for diagnosing brain injury in neonates. Despite being first stage modality, TFUI lacks accuracy determining at an early due to degraded sensitivity and specificity. Therefore, a modality like photoacoustic that combines advantages of both acoustic optical can overcome existing limitations. Even though variety transducers have been used TFUI, it essential identify transducer specification optimal transfontanelle using...
Abstract Nonlinear partial evolution equations are mostly significant to illustrate critical phenomena in wave theory concerning real-world problems. The current study deals with the (2 + 1)-dimensional nonlinear Fokas model depicting pulse through mono-mode optical fibers. Improved auxiliary equation and improved tanh schemes executed on considering governing system. Subsequently, a variety of soliton solutions nature dynamic waves made accessible throughout present exploration. Some...
In this paper, the preparation and measurement of a set human breast phantoms for microwave imaging (MBI) as method tumor detection are presented. The developed artificial have realistic dielectric properties. Homogenous most heterogeneous been fabricated based upon 3D structures filled up with different chemical mixtures that imitate various tissue types (skin, healthy fat tissue, glandular tissue) regarding permittivity over ultra-wideband frequency band (3.1-10.6 GHz). primary challenge...
In this paper, a system for microwave breast tumor detection is presented using iteratively corrected coherence factor delay and sum (CF-DAS) algorithm. CF-DAS data independent, which makes it stable in noisy environment. However, adaptive techniques have made significant progress by enhancing the image quality tomography. Thus, novel iterative variant of proposed paper to produce accurate images. The imaging (MI) contains rotatable array nine modified antipodal Vivaldi antennas circular...
Abstract In this article, an improved method is introduced for enhancing the gain and directivity of a modified antipodal Vivaldi antenna, which suitable detecting malignant cells in breast through microwave imaging. By slotting on fins antenna with addition parasitic elliptical patch makes radiation more directive at lower band range. The operating fractional bandwidth proposed 120% (2.50‐11 GHz) compact dimension pattern 7.20 dBi highest gain. time‐domain performance near‐field (NFD) are...
In this paper, a compact planar ultrawideband (UWB) antenna and an array setup for microwave breast imaging are presented. The proposed is constructed with slotted semicircular-shaped patch partial trapezoidal ground. It in dimension: 0.30λ × 0.31λ 0.011λ, where λ the wavelength of lowest operating frequency. For design purposes, several parameters assumed optimized to achieve better performance. prototype applied scheme over UWB frequency range 3.10-10.60 GHz. However, achieves bandwidth...
Abstract The capability of photoacoustic (PA) imaging to measure oxygen saturation through a fontanelle has been demonstrated in large animals in-vivo . We called this method, transfontanelle (TFPAI). A surgically induced 2.5 cm diameter cranial window was created an adult sheep skull model the human anterior fontanelle. performance TFPAI evaluated by comparing PA-based predicted results against gold standard blood gas analyzer measurements.
Microwave-induced thermoacoustic tomography (TAT) is a hybrid imaging technique that combines microwave excitation with ultrasound detection to create detailed images of biological tissue. Most TAT systems require costly amplification system (or sophisticated high-power source), which limits the wide adoption this modality. We have developed rotating single-element (RTAT) using low-cost amplifier has been optimized in terms signal pulse width and antenna placement. The system, enhanced...
A non-invasive, low-powered, and portable electromagnetic (EM) head imaging system is presented using metamaterial (MTM) loaded compact directional 3D antenna. The antenna consists of two slotted dipole elements with 2×3 3×3 finite MTM array in top ground, respectively, folded parasitic that operate within the frequency range 1.12 GHz to 2.5 GHz. are optimized enhance overall performance regarding bandwidth, realized gain, efficiency, directionality both free space proximity model....
Intraventricular (IVH) and periventricular (PVH) hemorrhages in preterm neonates are common because the blood vessels still developing up to 36 weeks fragile. Currently, transfontanelle ultrasound (US) imaging is utilized for screening IVH PVH, largely through anterior fontanelle. However mild hemorrhages, inconclusive diagnoses common, leading failure detect IVH/PVH or, when other clinical symptoms present, use of second stage neuroimaging modalities requiring transport vulnerable patients....
In this paper, a cross coupled interlinked split ring resonator based (CCI-SRR) metamaterial has been presented. Epsilon negative (ENG) with highly effective medium ratio (EMR) is attained in metamaterial. The unit cell consists of one square shaped and two rectangular rings. rings reside within the outer ring. Two internal are together by using cross-shaped metal segment. These inner also to strips. Coupling causes increase electrical length modifies inductance cell. Multiple resonances...
Abstract A small ultra-wideband (UWB) patch antenna for microwave breast imaging (MWI) applications is shown off in this paper. However, to improve the performance relating bandwidth (BW), radiating element of suggested modified by adding slits as well ground plane. The proposed prototype has a relatively size 20 × 19 1.6 mm 3 and it accomplishes return loss below −10 dB ( S 11< dB) at an overall BW 7 GHz (4–11 GHz) with more than dBi realized gain. designed simulated using finite...
ABSTRACT The article reveals the design of a metamaterial cell inspired triple band antenna for DCS 1800, PCS 1900, WCDMA, Bluetooth, WLAN 2400, WiMAX 2.5, and 5 GHz frequency applications. overall size is 48 × 1.575 mm 3 where electrical dimension 0.26 λ 0.0084 at 1.6 lower band. proposed consists microstrip feed line unit providing negative index refraction, which indicates both magnetic value permeability permittivity. achieves −10 dB measured impedance bandwidth 370 MHz (1.6–1.97), 380...
A novel probe-fed compact inverted S-shaped multifrequency patch antenna is designed. By employing two rectangular slots that change the conventional into an patch, able to operate in triple frequency X-band. The performance criteria of proposed design have been experimentally verified by fabricating a printed prototype. measured results show -10 dB impedance bandwidth at lower band 5.02% (8.69-9.14 GHz), middle 9.13% (10.47-11.48 and upper 3.79% (11.53-11.98 GHz). Two elliptical are...
The effects of three economically important host plants, jute (Corchorus capsularis L.), bean (Lablab purpureus L.) and papaya (Carica on the development, reproduction demographic parameters spider mite Tetranychus truncatus Ehara (Acari: Tetranychidae) were investigated under laboratory conditions 30 ± 1°C, 60–80% RH a photoperiod 16L: 8D using age-stage, two-sex life table analysis. Both male female T. successfully completed development from egg to adult plants. time for was longer Jute...
Abstract A new efficient, comprehensive, and compact breast phantom measurement scheme with microstrip patch antenna is presented. The radiating element of the modified by cutting slots in both ground plane for enhancing electrical length achieving omnidirectional radiation pattern high gain. This methodology increases operating frequency as well gain efficiency without affecting dimension antenna. overall 23 mm × 21 mm. fractional bandwidth near about 117% (3.1–12 GHz) −10 dB return loss...