A5089738088- Energy Harvesting in Wireless Networks
- Analog and Mixed-Signal Circuit Design
- Wireless Power Transfer Systems
- Innovative Energy Harvesting Technologies
- Advanced DC-DC Converters
- Low-power high-performance VLSI design
- CCD and CMOS Imaging Sensors
- Nanofluid Flow and Heat Transfer
- Bone Tissue Engineering Materials
- Advancements in Semiconductor Devices and Circuit Design
- Dyeing and Modifying Textile Fibers
- Animal Virus Infections Studies
- Advanced Battery Technologies Research
- Animal Disease Management and Epidemiology
- Botanical Research and Chemistry
- Genetics, Bioinformatics, and Biomedical Research
- Graphene and Nanomaterials Applications
- Dietary Effects on Health
- Magnetic Field Sensors Techniques
- Power Transformer Diagnostics and Insulation
- Radio Wave Propagation Studies
- Peacebuilding and International Security
- Morinda citrifolia extract uses
- Botanical Studies and Applications
- Global Security and Public Health
University of the Sciences
2025
National University of Sciences and Technology
2017-2025
University of Central Punjab
2024
Government College Women University Faisalabad
2024
Hebei University of Technology
2024
Sungkyunkwan University
2019-2023
University of Veterinary and Animal Sciences
2020-2023
University of the Punjab
2020-2023
Virtual University of Pakistan
2021
COMSATS University Islamabad
2019-2020
Medicinal plants are rich in diverse nutrients and antioxidants that promote growth have immunostimulating activities for fish. In aquaculture phytomedicines gained importance worldwide because they easily available, non-toxic to aquatic life. Turmeric (Curcuma longa) is among the most suitable natural ingredient due its biological effects. Therefore, a study has been conducted determine effect of turmeric on performance, hematology immunity common carp Cyprinus carpio. For this purpose, 180...
An energy efficient, low-power 10-bit asynchronous successive approximation register (SAR) analog-to-digital (ADC) converter with the sampling frequency of 8 MS/s is presented for IEEE 802.15.1 IoT sensor based applications. improved common mode charge redistribution algorithm proposed binary weighted SAR ADC. The method uses available voltage (VCM) level ADC conversion, and this reduces switching power by more than 12% without any additional DAC driver as compared to merged capacitor (MCS)....
This article presents a high-efficiency fast transient constant <sc xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">on</small> -time (COT) control dc–dc buck converter for the Internet of Things applications. The current reused sensor is proposed to enhance loop stability and improve power conversion efficiency at light load. Input sensed added feedback voltage increase output ripple voltage. Fast dc-offset cancelation technique introduced achieve...
In this paper, a self-threshold voltage (Vth) compensated Radio Frequency to Direct Current (RF-DC) converter operating at 900 MHz and 2.4 GHz is proposed for RF energy harvesting applications. The threshold of the rectifying devices by bias generated auxiliary transistors output DC voltage. compensate PMOS device while NMOS RF-DC was implemented in 180 nm Complementary Metal-Oxide Semiconductor (CMOS) technology. experimental results show that design achieves better performance both...
Introduction Natural dyes have become very important for decades based on their extensive properties compared to synthetic dyes. Pima cotton was dyed with natural derived from plants using mordants, a crucial step in modern industry. Objective This study explores the efficacy of banana leaf-extracted mordants dyeing cotton, examining color properties, chemical attributes, and fastness while exploring potential industrial applications. Methods In this study, leaf extracts were utilized...
In this research work, a reconfigurable 2.45-GHz RF-DC converter realized in 180-nm complementary metal-oxide semiconductor (CMOS) technology is proposed to efficiently harvest electromagnetic energy. The circuit composed of low-power path rectifier, high-power and an adaptive control (APC) circuit. APC made-up comparator, two switches, inverter. senses the output voltages rectifiers generates signal automatically switch between lower-power operation depending upon RF input power level....
This paper presents an energy-efficient low power 10-b 8-MS/s asynchronous successive approximation register (SAR) analog-to-digital (ADC) converter. An inverted common-mode charge recovery technique is proposed to reduce the switching energy and improve linearity of digital-to-analog converter (DAC). The consumes only 149 CVREF2 for 10-bit case. A rail-to-rail dynamic latch comparator implemented with adaptive control better efficiency. Additionally, optimize consumption performance logic...
Development of a guided occlusive biodegradable membrane with controlled morphology in order to restrict the ingrowth epithelial cells is still challenge dental tissue engineering. A bilayer non-porous upper layer (polyurethane) and porous lower (polycaprolactone bioactive glass composite) thermoelastic properties sustain surgery treatment was developed by lyophilization. Morphology, porosity, layers attachment were using multi-solvent system. In vitro vivo biocompatibility, cell attachment,...
A low power 12-bit, 20 MS/s asynchronously controlled successive approximation register (SAR) analog-to-digital converter (ADC) to be used in wireless access for vehicular environment (WAVE) intelligent transportation system (ITS) sensor based application is presented this paper. To optimize the architecture with respect consumption and performance, several techniques are proposed. switching method which employs common mode charge recovery (CMCR) process capacitive digital-to-analog (CDAC)...
In this paper, a power regulated circuit (PRC) is proposed for system-on-a-chip (SoC) applications. The PRC composed of limiter, bandgap reference (BGR), three low-dropout regulators (LDOs), and bias generator. A high output voltage an active rectifier given to the which limits it desired supply circuits in PRC. curvature-compensated BGR robust process, temperature (PVT) variations are designed provide stable LDOs. LDOs implemented generate dc voltages. fabricated 130 nm bipolar-CMOS-DMOS...
This article present high efficient electromagnetic energy harvesting system for low frequency applications. The proposed circuit is composed of two stages. In the first stage (EM) rectifier uses an improved structure with active diodes powered internally by a passive ac-dc positive and negative voltage quadrupler. boost input peak 0.6 V to +0.8 -0.8 power unbalance-size comparators (Comp_1 Comp_2). unbalance size comparator minimize delay introducing offset in order reverse leakage current....
In this paper, a high performance adaptive digital low-dropout voltage regulator (ADLDO) is proposed for Internet-of-Things (IoT) applications. the ADLDO, fully synthesizable controller designed. It automatically senses load variations and adaptively controls multi-loop architecture to reduce quiescent current, minimize output ripples achieve fast transient response. The with hill climbing reduces total bi-directional shift registers length which results in reduced leakage current...
The morphology, mechanical properties and bioactivity of collagen/polyethylene glycol dimethacrylate (PGD) blends as well collagen/PGD/hydroxyapatite hybrid composites are evaluated for tissue regeneration applications. PGD concentrations varied from 8 to 20 wt% in collagen photocrosslinked with UV light develop shaped sustainable samples. With increasing concentration, the network density is increased improve sample fidelity. compressive modulus 4 14.5 kPa along improvement cell viability...
This article presents a power management integrated circuit for wireless receiver unit. A dual-mode high-efficiency active rectifier design is based on alliance (A4WP) and consortium (WPC) standards. gate charge recycling technique proposed in the so that current generated by switching of high side driver can be recycled to output voltage order enhance efficiency. step-down dc–dc converter with bootstrap dynamic pull-up resistor designed. The chip implemented 0.18-μm bipolar-CMOS...
This paper presents an active rectifier design with a gate charge recycling technique. Gate switching increases the losses of rectifier, therefore, as way to reduce losses, technique is proposed. The output power 15 W achieved enable rapid charging using three standards for wireless mode, magnetic induction (WPC and PMA), resonance (A4WP). Power-sharing used lower amount consumed by each standard mode core. In WPC, PMA zero current sensing (ZCS) has been while in A4WP digitally controlled...
This work proposes a high-efficiency constant on-time (COT) control dc-dc buck converter with an adaptive gain current sensor for the power management integrated circuits. To address issues of conventional ontime method, circuit is proposed which improved system stability and efficiency. The design input voltage range 4.5 V <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$\sim 12$</tex> V, output 0.5 5\mathrm{V}$</tex> , between 10...
Capturing outlines is crucial in vectorization of the digital images. An effective and automatic algorithm presented for outline vectorizing planar objects within images using trigonometric B-spline. A soft computing optimization technique Genetic Algorithm (GA) employed to determine suitable measures parameter description proposed The anticipated scheme executed on a few raster (bitmap), validate robustness algorithm. procedure encompasses series stages like boundary detection, corner...