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Research Article | 15-February-2020

Assessing Water Activity in Dry-Cured Ham using Microwave Spectroscopy

Microwave spectroscopy have been applied in numerous applications in the non-food industry, and recently also in the food industry, for non-destructive measurements. In this study, a dry-cured ham model was designed and water activity, water content and salt content (sodium chloride) were determined for all samples using chemical analysis. The water activity was also measured using microwave spectroscopy, with a rectangular microwave cavity resonator. Attained results indicate that microwave

Stefania G. Bjarnadottir, Kathrine Lunde, Ole Alvseike, Alex Mason, Ahmed I. Al-Shamma’a

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Research Article | 01-September-2011

LACTATE DETECTION USING MICROWAVE SPECTROSCOPY FOR IN-SITU MEDICAL APPLICATIONS

Lactate is an indicator of neurological impairment during aortic aneurysm surgery, and thus its detection could provide the basis for improved treatment regimes, better quality of care, and enhanced resource efficiency within the UK National Health Service (NHS). This article considers the use of low power microwave sensors to detect varying lactate concentrations in distilled water; sample sizes of 10ml and 0.5ml are considered via two sensor designs. Microwave sensors provide a rapid non

J. H. Goh, A. Mason, A. I. Al-Shamma’a, M. Field, P. Browning

International Journal on Smart Sensing and Intelligent Systems, Volume 4 , ISSUE 3, 338–352

Research Article | 15-February-2020

Detection of adsorbed cytochrome c on hydroxyapatite thick films using a microwave sensor

An interdigitated microwave sensor was used to detect the adsorption of cytochrome c on hydroxyapatite thick films. Changes in the microwave spectral response were indicative of the presence of adsorbed cytochrome c. The sensitivity of the system was also evaluated using different protein loadings on the e films. The results suggest that the microwave sensor can be utilized to detect protein.

M. Salazar-Alvarez, S.A.M. Tofail, E. Magner, O. Korostynska, A. Mason, A. Al-Shamma'a

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Research paper | 13-December-2017

HEPA FILTER MATERIAL LOAD DETECTION USING A MICROWAVE CAVITY SENSOR

This paper presents a novel microwave cavity sensor application for the detection of HEPA filter particulate loading. The sensor resonates at 3.435GHz and 8.570GHz when empty, where the TM010 and TM020 modes dominate respectively. Experimental results show that the resonant frequency of the sensor shifts significantly when filters of different particulate loadings are presented to it. This is a significant finding, and means that the sensor could present an effective solution for determining

A. Mason, S. Wylie, A. Thomas, H. Keele, A. Shaw, A.I.Al- Shamma’a

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 3, 322–337

Review | 06-August-2019

PRACTICAL APPLICATION OF THE MICROWAVE OVEN IN THE GEOTECHNICAL LABORATORY

related to the heating effect of the military microwave radars observed during the World War II (Chung and Ho 2008). This phenomenon was later used in many fields of human activity. In science and engineering the microwaves are used to define moisture content of soil, measure moisture content in different products in agriculture (Hassan and Karmakar 2014; Lu et al. 2009), industry (Boone and Wengert 1998) and civil engineering (e.g. microwave gauge that defines water quantity in aggregate, concrete

Małgorzata JASTRZĘBSKA

Architecture, Civil Engineering, Environment, Volume 12 , ISSUE 2, 91–104

Article | 01-December-2014

THE EFFECTS OF LUMBER SEASONAL GROWTH RINGS ON MICROWAVE MEASUREMENTS

In order to determine more accurate indicators of wood structure obtained by microwave sensing and improve our understanding of plane wave propagation through this complex material, we have undertaken a permittivity survey and experimentally investigated scattering of a plane wave, measuring its transmission over two non-parallel surfaces of a rectangular lumber sample. This novel non-destructive testing technique offers results which may significantly contribute in a more accurate propagation

W.S Holmes, G. Emms, S.C. Mukhopadhyay

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 4, –

Research paper | 01-September-2011

MICROWAVE SIGNAL PROPAGATION ON OIL PALM TREES: MEASUREMENTS AND ANALYSIS

This paper presents the study of microwave signal attenuation on oil palm trees at 0.9 GHz, 1.8 GHz and 2.3 GHz frequencies. The main objective is to investigate the characteristics of propagation phenomenon by analysing the received signal strength. The experiments were made at the estate where there are straight line uniform canopies of mature oil palm trees. The measurements were carried out on the same transmission paths with different number of trees and height at trunk, leaves and fruits

Z. I. Rizman, K. Jusoff, S. S. Rais, H. H. H. Bakar, G. K. S. Nair, Y. K. Ho

International Journal on Smart Sensing and Intelligent Systems, Volume 4 , ISSUE 3, 388–401

Research Article | 15-February-2020

Effects of Seasonal Growth Rings on the Microwave Measurement of Wood

In order to determine more accurate indicators of wood structure obtained by microwave sensing and improve our understanding of plane wave propagation through this complex material, we have undertaken a permittivity survey and  experimentally investigated scattering of a plane wave, measuring its transmission over two non-parallel surfaces of a rectangular lumber sample. This novel non-destructive testing techn-ique offers results which may significantly contribute in a more accurate

W.S. Holmes, M. Bogosanović, G. Emms, S.C. Mukhopadhyay

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–6

Research Article | 15-February-2020

Utilizing wave polarization in microwave characterization of heterogeneous anisotropic materials with application to the wood industry

This paper presents a novel approach to microwave non-contact, non-destructive testing of wood, investigating additional indicators of wood structure, in particular the significance of wave polarization in transmission measurements. Contribution of wave polarization to wood characterization is studied, considering detection of rapid and gradual variations in wood structure, determination of moisture content and density distribution along the sample, as well as bulk properties detection. A set

Mirjana Bogosanović, Grant Emms

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–6

Research Article | 15-February-2020

Application of Microwave Spectroscopy Analysis on Determining Quality of Vegetable Oil

demonstrates that microwave spectrometry is able to offer realtime measurement of oils adequate for determining product authenticity.  It does this by evaluating a bespoke sensor system which is used to measure the dielectric properties common-place edible oils.  In particular, the capability of the system to distinguish between these oils, even when mixed, is demonstrated.  This is important as it is a common technique used by fraudsters in the production of counterfeit oils.

S. B. Osman, O. Korostynka, A. Mason, J. D. Cullen, A. I. Al-Shamma’a

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Research paper | 27-December-2017

FLEXIBLE E-TEXTILE SENSORS FOR REAL-TIME HEALTH MONITORING AT MICROWAVE FREQUENCIES

This paper reports on testing of the performance of SmartLife® e-textile material. In particular, the response of the integrated conductive pathways at microwave frequencies in the region of 9 kHz to 6 GHz is investigated for both biomedical sensing and signal transmission purposes. The experimental results confirm the viability of exciting the e-textile material at ISM microwave frequencies at mW powers for the purposes of wearable non-invasive sensing. Custom made flexible microwave sensors

A. Mason, S. Wylie, O. Korostynska, L. E. Cordova-Lopez, A. I. Al-Shamma’a

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 1, 32–47

Article | 01-March-2015

TRAVEL TIME PREDICTION BASED ON PATTERN MATCHING METHOD

The microwave detection technology has become an effective tool for monitoring highway traffic flow in China. The cross section traffic data collected provides models opportunity for travel time prediction. However, the sparseness of data somewhat constrains the prediction accuracy. To tackle this problem, the paper presents a highway travel time prediction algorithm based on pattern matching method. First, a pattern library is established by choosing traffic volume and speed as its certain

Jiandong Zhao, Feifei Xu, Wenhui Liu, Jigen Bai, Xiaoling Luo

International Journal on Smart Sensing and Intelligent Systems, Volume 8 , ISSUE 1, 658–676

Research Article | 15-February-2020

Real-time monitoring of meat drying process using microwave spectroscopy

Magomed Muradov, Jeff D. Cullen, Badr Abdullah, Muhammad Ateeq, Alex Mason, Andy Shaw, Ahmed I. Al-Shamma’a

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–5

Article | 01-March-2012

MONITORING OF NITRATES AND PHOSPHATES IN WASTEWATER: CURRENT TECHNOLOGIES AND FURTHER CHALLENGES

Safety, as it can significantly reduce the level of damage and also the cost to remedy the problem. This paper critically analyses both commercially available and state-of-the-art research methods and devices suitable for real-time wastewater quality monitoring and suggests further developments in this area. In particular, the focus is made on the monitoring of nitrates and phosphates in wastewater and a novel microwave based method for instantaneous water quality assessment is suggested.

O. Korostynska, A. Mason, A. Al-Shamma’a

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 1, 149–176

Research Article | 15-February-2020

The feasibility of using electromagnetic waves in determining the moisture content of building fabrics and the cause of the water ingress

In this paper, the feasibility of using electromagnetic (EM) waves is determining the moisture content of building fabrics and the case of water ingress in experimentally assessed. This paper will concentrate on investigating the propagation of EM waves through typical structures and their interaction with concealed pipework, wiring and timber. All current methods are overviewed and analysed. Novel microwave sensor described in this paper operates in 6 GHz to 12 GHz frequency range using

P. Kot, A. Shaw, K. O. Jones, J. D. Cullen, A. Mason, A. I. Al-Shamma’a

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–5

Research Article | 15-February-2020

Performance Study of Virtual Fence Unit Using Wireless Sensor Network

This paper presents the experiments and performance analysis of virtual fence unit consists of microwave motion detector and IEEE 802.15.4 wireless sensor network (WSN) for maximum sensing range. In particular, the analysis is focusing on the maximum sensing range in terms of azimuth angle, height, sensitivity level for indoor and outdoor implementation. The WSN platform is developed using Octopus II sensor nodes while the microwave motion detector is HB100 which detects the movement using

H.T Chan, T.A Rahman, A. Arsad

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Research Article | 15-February-2020

Detection of Pathogenic Bacteria in Aqueous Media: Assessing the Potential of Real-Time Electromagnetic Wave Sensing

This paper reports on the capabilities of a novel electromagnetic wave sensing method to detect and identify the presence of various pathogenic bacteria in aqueous media. In particular, the change in the electromagnetic wave signal in microwave frequency range is used as an indicator of bacteria presence. The assessment was conducted by recording reflected signal spectra when the sensor was in contact with deionised water, Escherichia coli, sterile nutrient broth and Pseudomonas aeruginosa

I. Nakouti, O. Korostynska, A. Mason, A. I. Al-Shamma’a

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–6

research-article | 30-November-2020

Fractal microstrip patch antennas for dual-band and triple-band wireless applications

Nontuthuko L. Nhlengethwa, Pradeep Kumar

International Journal on Smart Sensing and Intelligent Systems, Volume 14 , ISSUE 1, 1–9

Research Article | 13-December-2017

SENSOR TECHNOLOGY AT SUBMILLIMETER WAVELENGTHS FOR SPACE APPLICATIONS

Our universe is most luminous at far-infrared and submillimeter wavelengths (100 GHz – 10 THz) after the Cosmic Microwave Background (CMB) radiation. This region of the electromagnetic spectrum provides critical tracers for the study of a wide range of astrophysical and planetary phenomena. This spectral range contains information on the origin of the planets, stars, galaxies, and clusters; the geometry and matter/energy content of the Universe, atmospheric constituents and dynamics of the

Goutam Chattopadhyay

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 1, 1–20

Research Article | 15-February-2020

Understanding the decay of Proteins: A Study of Time dependent Microwave Response of pM concentration of Insulin in Buffer Solution

Ritika Verma, K. S. Daya

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–5

research-article | 30-November-2019

Salt and sugar detection system using a compact microstrip patch antenna

Humans commonly suffer with many diseases because of food having excess quantity of salt and sugar. Limited practices have been taken to overcome the situation. A drying technique is given by Gartley (2011) to compute the salt in the soil by estimating the electrical conductivity of the soil. A coaxial probe has been utilized through microwave measurement method to detect the dielectric properties of pure water and saline water by Gadani et al. (2012). However, these techniques of detecting

S. N. Njokweni, P. Kumar

International Journal on Smart Sensing and Intelligent Systems, Volume 13 , ISSUE 1, 1–9

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