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Research Article

DETECTION OF VOLATILE ORGANIC COMPOUNDS BASED ON OPTICAL FIBRE USING NANOSTRUCTURED FILMS

An optical fibre sensor for detection of volatile organic compounds (VOCs) has been implemented. This device is based on a vapochromic material presented in the form of bright red powders, which suffers reversible changes in its optical properties when exposed to some organic vapours. The sensor head consists of a nano interferometer doped with the vapochromic material, built onto a cleaved ended multimode optical fibre by using the Layer by Layer Electrostatic Self Assembly Method (LbL). A

Cesar Elosua, Ignacio R. Matias, Candido Bariain, Francisco J. Arregui

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 1, 123–136

Article

EFFECT OF PAC ON MBR PERFORMANCE DURING THE TREATMENT OF SYNTHETIC WASTEWATER CONTAINING ORGANIC COMPOUNDS

The aim of this study was to determine the effect of powdered activated carbon on fouling intensity of capillary membranes working in the submerged membrane bioreactor during the treatment of synthetic municipal wastewater loaded with organic compounds. The research were carried out in a membrane bioreactor including a capillary ultrafiltration module made of polyethersulfone. The feed used in the presented study was synthetic municipal wastewater which was prepared in order to include high

Anna MARSZAŁEK, Jolanta BOHDZIEWICZ, Ewa PUSZCZAŁO

Architecture, Civil Engineering, Environment, Volume 10 , ISSUE 3, 127–133

Research Article

Chemotaxis of Caenorhabditis elegans toward volatile organic compounds from Stropharia rugosoannulata induced by amino acids

A variety of natural substances including both volatile organic compounds and water-soluble compounds play a significant role in the chemotactic behaviors of the model nematode Caenorhabditis elegans. We observed chemotactic behaviors of C. elegans with respect to response to attractants produced by nematode parasitic fungus Stropharia rugosoannulata, which were partially induced by specific amino acids. The results of gas chromatography-mass spectrometer analysis suggested that 1-octen-3-ol

Jing Bian, Haili Zhang, Shuai Meng, Yajun Liu

Journal of Nematology, Volume 50 , ISSUE 1, 3–8

research-article

APPLICATION OF POTASSIUM FERRATE(VI) FOR OXIDATION OF SELECTED POLLUTANTS IN AQUATIC ENVIRONMENT – SHORT REVIEW

. Very often Fe(VI) salts are called environmentally friendly and therefore potassium ferrate(VI) is often called “environmentally friendly oxidant” [5]. For many years, various research investigations have been carried out on the application of K2FeO4 for the degradation of various pollutants in water and wastewater. In this paper authors focused on pollutants deriving from the industry and mining like: cyanides, organic compounds, dyes and also removal of algae from potable water. 2. DEGRADATION

Simona KLIŚ, Krzysztof BARBUSIŃSKI, Maciej THOMAS, Anna MOCHNACKA

Architecture, Civil Engineering, Environment, Volume 12 , ISSUE 1, 129–137

Article

ENDOPHYTIC BACTERIA IN THE PHYTODEGRADATION OF PERSISTENT ORGANIC POLLUTANTS

support phytodegradation processes is also the fact that all toxic organic compounds collected by the plant undergo mineralization within its tissues [1, 20, 30]. 2. Phytodegradation of organic pollutants Plant metabolism of xenobiotics sourced from the environment includes general transformations of these compounds into more water-soluble forms and the process of their sequestration [5, 75]. Photoautotrophic plants do not use organic compounds as a source of carbon and energy, and their role is

Daria Chlebek, Katarzyna Hupert-Kocurek

Postępy Mikrobiologii - Advancements of Microbiology, Volume 58 , ISSUE 1, 70–79

Research Article

Thin Film Coated QCM-Sensors and Pattern Recognition Methods for Discrimination of VOCs

Discrimination and quantification of volatile organic compounds (VOCs) using a non-selective sensor requires a combination of sensors followed by pattern recognition methods. Based on this concept, this paper deals with the discrimination of gas from the responses of several gas sensors coated with different type of polymer. Quartz crystal microbalance (QCM) electrodes were coated from hexamethyldisiloxane (HMDSO), hexamethyldisilazane (HMDSN) and tetraethoxysilane (TEOS) for the elaboration of

Omar C. Lezzar, A. Bellel, M. Boutamine, S. Sahli, Y. Segui, P. Raynaud

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

research-article

APPLYING INTERNAL CIRCULATION ANAEROBIC REACTOR FOR WASTEWATER TREATMENT: A CASE STUDY IN SAIGON PAPER MILL WASTEWATER TREATMENT PLANT

1. INTRODUCTION Industrial wastewater containing high organic compounds and high flow rate has always been a problem in developing and developed countries. To addressed the issue, many possible treatments have been developed through years of researches, some can be mention such as coagulation, [1] absorbance [2] and advanced oxidation process; [3; 4] however, biological treatments are favoured as they are environmental friendly, high BOD, COD removal rate, able to treat N and P. Two of the most

Nhat-Ha TRAN, Manh-Ha BUI

Architecture, Civil Engineering, Environment, Volume 12 , ISSUE 3, 145–151

Original Paper

Levels of Organic Compounds, Number of Microorganisms and Cadmium Accumulation in Festuca ovina Hydroponic Culture

Małgorzata Majewska, Anna Słomka

Polish Journal of Microbiology, Volume 65 , ISSUE 2, 191–200

Article

ECONOMIC ASPECTS OF APPLICATION OF PRETREATMENT SYSTEMS BEFORE GRANULAR ACTIVATED CARBON FILTRATION

Granular activated carbon (GAC) is used for removing an excessive amount of organic contaminants causing undesirable taste, odour or colour of water, and refractive micropollutants, such as heavy metals or toxic organic compounds. However, adsorption is one of the most expensive unit processes used in treatment and renewal of water. This is due to the high cost of granular active carbon and the necessity of its frequent exchange or regeneration. In the paper the authors present the results of

Adam GUMIŃSKI, Marcin KŁOS, Jolanta GUMIŃSKA

Architecture, Civil Engineering, Environment, Volume 10 , ISSUE 4, 123–131

Article

A MACHINE VISION SYSTEM FOR ESTIMATION OF THEAFLAVINS AND THEARUBIGINS IN ORTHODOX BLACK TEA

Orthodox black tea quality depends upon the amount of certain organic compounds present and out of these, theaflavins (TF) and thearubigins (TR) are the most important ones While TF is responsible for attractive golden colour, increased brightness and astringency in tea liquor, TR is reddish brown, reduces the brightness of tea liquor and contribute mostly for the ashy taste of the liquor with minor improvement in astringency. The rapid estimation of TF and TR thus may resolve the problem of

Amitava Akuli, Abhra Pal, Gopinath Bej, Tamal Dey, Arunangshu Ghosh, Bipan Tudu, Nabarun Bhattacharyya, Rajib Bandyopadhyay

International Journal on Smart Sensing and Intelligent Systems, Volume 9 , ISSUE 2, 709–731

Research Article

GENETIC DIFFERENTIATION METHODS OF MICROORGANISMS IN THE SOIL – PLANT SYSTEM

Biodiversity is a key concept in finding important features of new microorganisms. Microorganisms play an important role in the soil ecosystem and participate, among others, in such processes as the maintenance of soil structure, humification, release of organic compounds, disposal of pollutants and transformation of organic matter. The maintenance of competent state of soil microbial communities, i.e. the appropriate microorganism count, activity and diversity, is a necessary condition for the

Małgorzata Łyszcz, Anna Gałązka

Postępy Mikrobiologii - Advancements of Microbiology, Volume 56 , ISSUE 3, 341–352

research-article

THE SOURCE OF TOXICITY OF BACKWASH WATER FROM A SWIMMING POOL FILTER BED WASHINGS

rivers or soil is considered. The results of these studies raise doubts about the rightness of the attempts to introduce washings from pool filters directly into water or soil. In accordance with Directive 2006/11/EC [10], it is forbidden to introduce hazardous substances into the environment. The aim of the presented work is to determine the source of toxicity of filter backwash water. As many micro-organic compounds has been found in swimming pool water [11–24], it is highly probable that some of

Anna LEMPART, Edyta KUDLEK, Mariusz DUDZIAK, Aleksandra ZAWADZKA

Architecture, Civil Engineering, Environment, Volume 11 , ISSUE 3, 139–146

research-article

Xanthosoma sagittifolium is resistant to Meloidogyne spp. and controls Meloidogyne enterolobii by soil biofumigation

antimicrobial, insecticidal, or nematicidal action (Isman, 1999). These compounds include volatile organic compounds (VOCs), which consist of molecules with up to 20 carbon atoms with a high vapor pressure that cross membranes freely and release the vapors into the atmosphere or soil without a diffusion barrier (Dudavera et al., 2006). Plants produce several compounds known as secondary metabolites (Pichersky and Gang, 2000), with 1% being VOCs such as terpenoids, phenylpropanoids, benzenoids, fatty acid

Vanessa Alves Gomes, Fabíola de Jesus Silva, Eunice Maria Baquião, Luana Viana Faria, Júlio César Antunes Ferreira, Marcio Pozzobon Pedroso, Fernando Broetto, Silvia Renata Siciliano Wilcken

Journal of Nematology, Volume 52 , 1–12

research-article

Control of Meloidogyne incognita in sweetpotato with fluensulfone

hazards, they are limited by regulatory restrictions related to the emission of volatile organic compounds (VOC) and their toxicity. Until recently, effective, environmentally acceptable, and economically viable alternatives were not available, and this has been an important factor in the continued use of soil fumigants (Noling and Becker, 1994; Becker, 2014). Fluensulfone (tradename: Nimitz, ADAMA Agricultural Solutions Ltd., Raleigh, NC) is a non-fumigant nematicide that is registered for use in

Antoon Ploeg, Scott Stoddard, J. Ole Becker

Journal of Nematology, Volume 51 , 1–8

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