Rupam Das

ORCID: 0000-0001-7351-9928
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About
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Research Areas
  • Wireless Power Transfer Systems
  • Energy Harvesting in Wireless Networks
  • Neuroscience and Neural Engineering
  • Wireless Body Area Networks
  • Sexual function and dysfunction studies
  • Heart Rate Variability and Autonomic Control
  • Antenna Design and Analysis
  • Photoreceptor and optogenetics research
  • EEG and Brain-Computer Interfaces
  • Non-Invasive Vital Sign Monitoring
  • Neurological disorders and treatments
  • Advanced Memory and Neural Computing
  • Prostate Cancer Diagnosis and Treatment
  • Mobile Ad Hoc Networks
  • Advanced Antenna and Metasurface Technologies
  • Genital Health and Disease
  • Electromagnetic Fields and Biological Effects
  • Cardiovascular Disease and Adiposity
  • Mobile Health and mHealth Applications
  • Advanced MRI Techniques and Applications
  • Trauma and Emergency Care Studies
  • Hand Gesture Recognition Systems
  • Advanced Sensor and Energy Harvesting Materials
  • Cardiovascular Health and Risk Factors
  • Hormonal and reproductive studies

University of Utah
2020-2025

Bharati Vidyapeeth Deemed University
2024

University of Exeter
2023-2024

Southern Plains Agricultural Research Center
2024

Assam Down Town University
2013-2023

Assam Agricultural University
2022-2023

Indian Institute of Technology Guwahati
2023

Cal Humanities
2023

University of Engineering & Management
2023

University of Glasgow
2018-2022

As COVID-19 hounds the world, common cause of finding a swift solution to manage pandemic has brought together researchers, institutions, governments, and society at large. The Internet Things (IoT), artificial intelligence (AI)-including machine learning (ML) Big Data analytics-as well as Robotics Blockchain, are four decisive areas technological innovation that have been ingenuity harnessed fight this future ones. While these highly interrelated smart connected health technologies cannot...

10.1109/jiot.2021.3073904 article EN IEEE Internet of Things Journal 2021-04-20

Abstract Cardiovascular disease continues to be one of the dominant causes global mortality. One effective treatment is utilize cardiovascular implantable devices (cIMDs) with multi‐functional cell sensing and monitoring features that have potential manipulate hyperplasia disorders as well provide therapy. However, batteries a fixed capacity entail high‐risk surgeries for battery‐replacement, which health hazards imposes significant costs patients. This review accesses comprehensive power...

10.1002/admt.202101086 article EN cc-by Advanced Materials Technologies 2022-01-07

This paper presents a multiband conformal antenna for implantable as well ingestible devices. The proposed has the following three bands: medical implanted communication service (MICS: 402-405 MHz), midfield band (1.45-1.6 GHz), and industrial, scientific, (ISM: 2.4-2.45 GHz) telemetry or wireless monitoring, power transfer (WPT), conservation, respectively. A T-shaped ground slot is used to tune antenna, this wrapped inside printed 3-D capsule prototype demonstrate its applicability in...

10.1109/tmtt.2017.2647945 article EN IEEE Transactions on Microwave Theory and Techniques 2017-01-26

In this paper, a conformal wideband circularly polarized (CP) antenna is presented for endoscopic capsule application over the 915-MHz Industrial, Scientific, and Medical (902-928 MHz) band. The thickness of only 0.2 mm, which can be wrapped inside capsule's inner wall. By cutting meandered slots on patch, using open-end ground, utilizing two long arms, proposed obtains significant size reduction. form, volume measures 66.7 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...

10.1109/tap.2017.2694700 article EN IEEE Transactions on Antennas and Propagation 2017-04-17

Arteriovenous grafts (AVGs) are indispensable life-saving implants for chronic kidney disease (CKD) patients undergoing hemodialysis. However, AVGs will often fail due to postoperative complications such as cellular accumulation termed restenosis, blood clots, and infections, which dominant causes of morbidity mortality. A new generation hemodialysis equipped with biosensors multi-band antennas wireless power telemetry systems that can detect specific pathological parameters report AVGs'...

10.1109/tap.2023.3266786 article EN cc-by IEEE Transactions on Antennas and Propagation 2023-04-18

In this paper, a metamaterial-coupled, highly efficient, miniaturized, and long-range wireless power transfer (WPT) system based on cubic high-dielectric resonator (CHDR) is explored. The proposed WPT consists of two CHDR metamaterials separated by distance excited rectangular coils. Initially, analyzed considering the cube dielectric permittivity, ε,. = 1000, loss tangent, tanδ 0.00001. From Ansoft HFSS simulation, it observed that operates in hybrid resonance mode resonating as horizontal...

10.1109/tie.2018.2879310 article EN IEEE Transactions on Industrial Electronics 2018-11-07

Electronic contact lenses are used for noninvasively monitoring vital human signs and medical parameters. However, maintaining a secure communications connection self‐sustainable power source still looming challenges. Herein, proof‐of‐concept electronic lens is demonstrated that includes spiral antenna with its wireless circuit unit data telemetry, rectifier conditioning, micro‐light‐emitting diode (μLED) as load. The rectifying designed considering operation in the industrial, scientific,...

10.1002/aisy.201900190 article EN cc-by Advanced Intelligent Systems 2020-02-12

In this letter, we address the telemetry and wireless powering problems associated with recently invented leadless pacemaker. To overcome problem, propose a conformal spiral type Implantable antenna at Medical Implanted Communication Service (MICS) band. addition, also apply proposed midfield power transfer (WPT) technique 1.5 GHz to avoid bulky energy storage component. We simulate experimentally measure performance of implantable by using porcine heart tissue. Our research shows that,...

10.1109/lmwc.2015.2400920 article EN IEEE Microwave and Wireless Components Letters 2015-03-04

Abstract Background To increase bed capacity and resources, hospitals have postponed elective surgeries, although the financial impact of this decision is unknown. We sought to report surgical case distribution, associated gross hospital revenue regional intensive care unit (ICU) as cases are cancelled then resumed under simulated trends COVID-19 incidence. Methods A retrospective, cohort analysis was performed using insurance claims from 161 million enrollees MarketScan database January 1,...

10.1186/s12913-020-05975-z article EN cc-by BMC Health Services Research 2020-12-01

The fifth-generation (5G) network is a fast-growing technology that impacts personal devices for both society and the economy. With widespread Internet of Things (IoT) in such networks, powering exploring energy to operate them vital 5G era. Therefore, projecting forecasting how power IoT have already begun, with an aspiration provide self-powered green future communication services. Here, we vision harvesting technologies (e.g., emerging wearable implantable employed healthcare consumer...

10.1109/mcom.101.2100487 article EN IEEE Communications Magazine 2021-09-01

Background Recently, our group identified increased platelet-mediated inflammation in type 2 diabetes (T2DM) patients, and it is a well-established risk factor for complications, particularly the development of cardiovascular diseases (CVD). Furthermore, vitamin D reported to play an important role modulation platelet hyperactivity immune function, although effect on not well studied. Hence, we aimed investigate supplementation T2DM patients. Methods After screening total 201 subjects,...

10.3389/fimmu.2022.869591 article EN cc-by Frontiers in Immunology 2022-05-26

The human eye contains multiple biomarkers related to various diseases, making electronic contact lens an ideal non-invasive platform for their diagnosis and treatment. Recent advances in technology have enabled the monitoring of glaucoma from Intraocular Pressure (IOP) detection, diabetes glucose concentration detections, other biosensors pH temperature sensing. Different sensor designs led distinct power transfer techniques, among which inductively coupled is considered most favourable...

10.1109/jsen.2021.3055077 article EN IEEE Sensors Journal 2021-01-27

BACKGROUND Evidence increasingly supports sigmoidectomy with primary anastomosis (SPA) and diverting loop ileostomy over Hartmann's procedure for perforated diverticulitis in stable patients. Prompt reversal (DLIR) is often preferred by patients; however, optimal timing after index surgery remains unclear. The objective of this study to examine the association DLIR clinical outcomes costs. METHODS Retrospective analysis was performed using National Readmissions Database (2010–2020) all...

10.1097/ta.0000000000004590 article EN Journal of Trauma and Acute Care Surgery 2025-03-10

Objectives To characterize the estimated prevalence and treatment patterns of erectile dysfunction hypogonadism in men with spina bifida through a large claims database. Methods This retrospective study used MarketScan ® databases from 2008 to 2017 compare estimates for those without describe this cohort. Results The was 7.83% 7.71%, respectively. Men exhibit high rates smoking metabolic comorbidities but are diagnosed less frequently when controlling age than bifida. Most (66.6%) or (77.4%)...

10.3389/fruro.2025.1500839 article EN cc-by Frontiers in Urology 2025-03-13

Abstract This Letter demonstrates that scalar gauge functions give the most&amp;#xD;fundamental description of classical dynamical systems as such allow to&amp;#xD;construct Lagrangians for systems, and to predict future states of&amp;#xD;these including their transitions from periodic non-periodic (chaotic)&amp;#xD;states, without solving equations motion.

10.1209/0295-5075/adcc4b article EN EPL (Europhysics Letters) 2025-04-14

In this paper, a mobile phone case incorporating electromagnetic bandgap (EBG) material is studied to intercept (EM) waves from the and reduce specific absorption rate (SAR). A loop antenna for personal communications service 1900-MHz band considered. addition, three different cases associating EBG structures with optimized positions are used improve SAR reduction. Furthermore, performance an structure investigated full-body EM simulation program, SEMCAD X, individual analysis of each was...

10.1109/tmtt.2017.2786287 article EN IEEE Transactions on Microwave Theory and Techniques 2018-01-05

In the presence of an electrically conducting medical lead, radio frequency (RF) coils in magnetic resonance imaging (MRI) systems may concentrate RF energy and cause tissue heating near lead. Here, we present a novel design for lead to reduce this by introducing pins. A pin can be taught as electrical short that connects main surrounding tissues. Initially, detail analysis our proposed is carried out using Ansoft HFSS. Then, peak 10 g specific absorption rate (SAR) heart tissue, indicator...

10.1109/temc.2016.2614894 article EN IEEE Transactions on Electromagnetic Compatibility 2016-10-19

Background: Heart Rate Variability (HRV) surrogates for Cardiac Autonomic Modulation (CAM), while Pulse variability (PRV) reflects Cardiovascular (CvAM). HRV and PRV therefore, are not exactly interchangeable terms. However, the paper proposes that can be correlated. Aim: To compare correlation between two different instruments – (I) gold-standard Polar H10 sensor works on principle of CAM Kubios software estimation, together called 'PK' (II) Lyfas smartphone application 'L', which estimates...

10.12691/jbet-9-1-1 article EN Journal of biomedical engineering and technology 2021-12-02

Abstract Tuberculosis is emerging as a major global health issue for the under-developed regions across world including India’s North East. Importantly, incidence of multidrug-resistant (MDR) strain Mycobacterium tuberculosis (MTB), causative agent TB increasing. Furthermore, disease associated with stigma, and therefore people’s wholehearted participation in care, research support lacking. Here, we report development novel methodologies through process participatory action (PAR) Northeast...

10.1101/2024.01.02.23300347 preprint EN cc-by-nc medRxiv (Cold Spring Harbor Laboratory) 2024-01-04
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