e-nose






Analysis of saffron volatile fraction by TD–GC–MS and e-nose
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ABSTRACT Saffron spice is valuable for its colour, taste and aroma. All these properties depend on the different postharvesting treatments that Crocus sativus L. stigmas received to convert it into a spice. No previous scientific data relate the volatile content with its postharvesting 

Long term stability of metal oxide-based gas sensors for e-nose environmental applications: An overview
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The e-nose technology has enormous potentialities for in site monitoring of off-odours. However a number of limitations are associated with the properties of chemical sensors, the signal processing performances and the real operating conditions of the environmental 

Monitoring the exhaust air of a compost pile with an e-nose and comparison with GC–MS data
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In this paper, monitoring of the composting process with an e-nose is presented. An emission chamber is developed for this purpose and put on a household waste compost pile. A lab-made e-nose with metal oxide sensors is located at the exit of this chamber. 

Circuit and noise analysis of odorant gas sensors in an e-nose
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ABSTRACT In this paper, the relationship between typical circuit structures of gas sensorcircuits and their output noise is analyzed. By using averaged segmenting periodical graphand improved histogram estimation methods, we estimated their noise power spectra 

Performance of an e-nose in hops classification
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A prototype of an electronic nose (e-nose), based on an array of six undoped and doped SnO2 gas sensors made by the rheotaxial growth and thermal oxidation (RGTO) technique, is applied to the analysis of a basic ingredient of beer, the hop. We address two main 

TinyNose: Developing a wireless e-nose platform for distributed air quality monitoring applications
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ABSTRACT In this work we present the development and proof of concept testing of a protoype wireless e-nose (w-nose) architecture capable of mesh shaped networking. The proposed w- nose is based on a TelosB by Crossbow Inc. and custom, power aware, TinyOS based 

Monitoring the exhaust air of a compost pile as a process variable with an e-nose
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In this paper, the monitoring of the composting process with an e-nose is presented. An emission chamber is developed for this purpose and put on a household waste compost pile. A lab-made e-nose with metal oxide sensors is located at the exit of this chamber. 

Choice of a suitable E-nose output variable for the continuous monitoring of an odour in the environment
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ABSTRACT An array of tin-oxide sensors is used to continuously monitor different odour emissions in the environment. The paper presents some issues aiming at improving the portability and the user-friendliness of the instrument as well as testing what kind of signal 

Discrimination of storage age for wheat by E-nose
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ABSTRACT An investigation was conducted to evaluate the capacity of an electronic nose (E-nose) to classify wheat based on storage age. The effects of vial volume, headspace generation time, and wheat sample mass were studied, and the optimum 

Wound-state monitoring for burn patients using E-Nose/SPME system
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Array-based gas sensors now offer the potential of a robust analytical approach to odor measurement for medical use. We are developing a fast reliable method for detection of microbial infection by monitoring the headspace from the infected wound. In this paper, we 

Novel e-nose for the discrimination of volatile organic biomarkers with an array of carbon nanotubes (CNT) conductive polymer nanocomposites (CPC) sensors
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We report the original design of a new type of electronic nose (e-nose) consisting of only five sensors made of hierarchically structured conductive polymer nanocomposites (CPC). Each sensor benefits from both the exceptional electrical properties of carbon nanotubes (CNT) 

by linear discrimination analysis and back-propagation neural network techniques based on the eigenvalues of principal components analysis of E-nose 
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ABSTRACT An electronic nose (E-nose) was employed to detect the aroma of green tea after different storage times. Longjing green tea dry leaves, beverages and residues were detected with an E-nose, respectively. In order to decrease the data dimensionality and 

Insights into’fermentonomics’: evaluation of volatile organic compounds (VOCs) in human disease using an electronic’e-nose’
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Detection of volatile organic compounds (VOCs) is a common requirement in industry for which numerous methods are available. The electronic nose (e-nose) is an example. Rather than individual chemicals, the e-nose recognizes the’aroma fingerprint’created by the 

Identifying Chronic Obstructive Pulmonary Disease and Asthma by Exhaled Breath Analysis Does the (e) Nose Know?
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Long before the term was coined, exhaled breath analysis had been conducted in the practice of medicine. A few examples include the detection of fetor hepaticus in patients with liver failure and the fruity odor of ketones on the breath of patients with diabetic 

Correlating chemical parameters of controlled oxidation tallow to gas chromatography-mass spectrometry profiles and e-nose responses using partial least squares
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Partial least squares regression modeling(PLSR) was used to elucidate the relationship and predictability among the chemical parameters, the GC-MS data and electronic nose responses for controlled oxidation of tallow. Models for predicting chemical parameters 

Enabling distributed VOC sensing applications: Toward Tinynose, a polymeric wireless e-nose
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ABSTRACT In this work, we present the development of a novel wireless e-nose platform designed for indoor distributed VOC detection and quantification. The proposed w-nose, called TinyNose, rely on a small polymeric sensor array that is connected to a commercial 

E-nose vapor identification based on Dempster–Shafer fusion of multiple classifiers
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ABSTRACT Electronic noses (e-noses) are commonly used to monitor air contaminants in space stations and shuttles. Data preprocessing (measurement denoising and feature extraction) and pattern classification are important problems of an e-nose system. In this 

Power Savvy Wireless E-Nose Network using In-Network Intelligence
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Fluid dynamics effects make single point of measure not a viable solution for toxic/ dangerous gases detection both in complex indoor and outdoor environments. Efficient distributed chemical sensing needs reliable wireless battery operated devices capable to 

Assessment of detection thresholds of metal oxide sensors based e-nose to the pollution emitted by odorous sources.
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ABSTRACT The paper describes a method to assess the global concentration level of a complex odorous gas mixture which is detected by an electronic nose, and consequently to assess the detection threshold of the instrument for that particular odour. The studied case 

Analysis of volatile bread aroma for evaluation of bread freshness using an electronic nose (E-nose)
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ABSTRACT This paper presents the use of a tin-oxide sensor array and self-organized map (SOM)-based E-nose for analysis of volatile bread aroma and explores its ability to cluster bread odor data according to the freshness of bread. A low cost tin-oxide sensor array 

Data Refinement and Channel Selection for a Portable E-Nose System by the Use of Feature Feedback
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ABSTRACT We propose a data refinement and channel selection method for vapor classification in a portable e-nose system. For the robust e-nose system in a real environment, we propose to reduce the noise in the data measured by sensor arrays and 

Multi-Model Diagnosis Method for Lung Cancer based on MOS-SAW Breath Detecting e-Nose
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MOS-SAW breath detecting e-Nose combines the metal oxide semiconductor (MOS) sensors and the SAW sensor. We introduce a multi-model diagnosis method, which is used to process the signals of the MOS-SAW e-Nose, to establish the diagnosis models, and to 

Magnifera Indica cv. Harumanis Classification Using E-Nose
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ABSTRACT The Harumanis mango (Magnifera Indica cv. Harumanis) is a special variety with an exceptional commercial demand, and thrives well in the northern state of Perlis, Malaysia. In order to ensure that the fruits reaching the customers are of high quality, an 

The Applicability of Temperature Correction to Chemoresistive Sensors in an e-NOSE-ANN System
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ABSTRACT The influence of the temperature sensitivity of chemoresistive, inherently- conductive-polymer (ICP) sensors on the performance of an artificial neural network (ANN) e- NOSE system is evaluated. Temperature was found to strongly influence the responses of 

Rapid detection of E. coli on goat meat by electronic nose
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 E-nose has a potential for being used as a tool for rapid detection of contamination, although it is not able to detect very low concentration of the contaminant.  There are several types of

Radiation-induced gut damage: identifying ‘at risk’patients with an ‘electronic nose'(E-NOSE)
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ABSTRACT Introduction Almost all patients undergoing radical pelvic radiotherapy develop bowel symptoms during treatment and half go on to develop chronic bowel symptoms. Acute histological damage, due to the radiation, is at its worst at 2 weeks and then improves; 

Classification of luofushan hundred-grass-oil based on e-nose [J]
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A portable electronic nose was applied in the detection and analysis of four groups of hundred-grass-oil with different production batches. Combined with the advantages of principal component analysis (PCA) and linear discriminant analysis (LDA), PCA+ LDA 

Social Agent: Facial Expression Driver for an e-Nose
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ABSTRACT This thesis describes that it is possible to drive synthetic emotions of an interface agent with an electronic nose system developed at AASS. The e-Nose can be used for quality control, and the detected distortion from a known smell sensation prototype is 

Application of feature selection in sensor array optimization of E-nose
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Sensor array optimization is one of the methods to enhance the performance of electronic noses, which uses the feature selection to decide the right kinds and number of gas sensors. Generally there are two different methods for feature selection, searching method and non 

Compost pile monitoring with GC-MS, e-nose and olfactometry: comparison of different approaches
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ABSTRACT [en] This paper proposes a comparison of complementary approaches to monitor the odours: e-nose, olfactometry and GC-MS. The odour source selected for this study is a green waste compost at different maturity stages. The study site is a composting facility, 

An Alternative Approach of the E-Nose Training Phase in Odour Impact Assessment
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Odour emissions are causing serious nuisance for the population, especially in the surrounding of waste water treatment plants (WWTP) and solid waste treatment plants. Extended exposure to odours generate undesirable reactions ranging from emotional 

Discrimination of oral malodor components in elderly patients by e-nose
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Objectives: The aim of this study is to compare the oral malodor components (saliva, denture, tongue coat) and the breath in elderly patients to see which component has similarity to the breath odor. Methods: Patients whom arrived at the Tokyo Medical and 

Novel piezoresistive e-NOSE sensor array cell
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V Stavrova, P Vitanovb, E Tomerova, E Goranovab ,4m-net.org ABSTRACT Future of analytical and manufacturing methods based on micro-mechanical cantilevers, depends critically on the ability to implement parallel operation and fast signal processing . There are two mean reasons: high throughput requirement and complexity 

Fast Transient Classification With a Parallelized Temperature Modulated e-nose In Natural Uncontrolled Environments
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ABSTRACT In this article we introduce a novel operating principle for a temperature modulated electronic nose. The aim is to perform gas discrimination with metal oxide gas sensors in natural, uncontrolled environments where the sensor is exposed to patches of gas only for 

E-nose for basal stem rot detection
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ABSTRACT An electronic nose is an intelligent device, able to mimic human olfaction functions and may be used for detection, recognition and classification of volatile compounds and odours. An e-nose consists of an array of sensors, signal collecting unit (s) and suitable 

A new QCM based E-NOSE model using decay method
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ABSTRACT In this paper we present the possibility of developing an Electronic-Natural Olfactory Sensors Emulator (E-NOSE) based on an array of Quartz Crystal Microbalance (QCM) sensors exploiting the advantages of using decay methods for analyzing the QCM 

Olfactory, chemical and e-nose measurements to characterize odors emission of construct materials for the implementation of the European construction products
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ABSTRACT Standardization work on test methods for dangerous substances in the field of construction products is currently ongoing at European level in CEN/TC 351 and EOTA PT9. A Belgian research project, with three partners, is going on to optimize current evaluation 

Wireless E-nose Measurement System Design and Data Processing
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A node of wireless Electro-nose (E-nose) networks is introduced, which main applied in remote real-time monitor environment gas concentration accurately, the composing and principle of E-nose node facility is discussed. And the influence of noise from gas sensor 

Classification of Chinese Herbal Medicine Based on LDA with Maximum Scatter Difference Criterion Using E-nose
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Linear discriminant analysis (LDA) is a popular method among pattern recognition algorithms of electronic nose (E-nose). However, small sample size (SSS) problem would occur while using LDA algorithm with traditional Fisher criterion if the within-class scatter 


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