scholarly journals Characterization of Particles Transmitted by Wind from Waste Dump of Phosphatic Fertilizers Plant Deposited on Biological Sample Surfaces

10.5772/16478 ◽  
2011 ◽  
Author(s):  
Malgorzata Iwona Szynkowska ◽  
Aleksandra Pawlaczyk ◽  
Jacek Rogowski
Keyword(s):  
Biological Sample ◽  
Waste Dump ◽  
Phosphatic Fertilizers

Synthesis and characterization of a new magnetic restricted access molecularly imprinted polymer for biological sample preparation

2020 ◽  
Vol 24 ◽  
pp. 101002 ◽  
Author(s):  
Tássia Venga Mendes ◽  
Lidiane Silva Franqui ◽  
Mariane Gonçalves Santos ◽  
Célio Wisniewski ◽  
Eduardo Costa Figueiredo
Keyword(s):  
Sample Preparation ◽  
Molecularly Imprinted Polymer ◽  
Biological Sample ◽  
Synthesis And Characterization ◽  
Imprinted Polymer ◽  
Molecularly Imprinted ◽  
Restricted Access

scholarly journals PHYSICAL-CHEMICAL CHARACTERIZATION OF SOILS TREATED WITH SEWAGE SLUDGE COMPOST

2010 ◽  
Vol 2 (5) ◽  
pp. 87-92
Author(s):  
Milda Radžiūtė ◽  
Audronė Matusevičiūtė
Keyword(s):  
Heavy Metals ◽  
Water Treatment ◽  
Sewage Sludge ◽  
Organic Waste ◽  
Organic Fertilizer ◽  
Chemical Characterization ◽  
Waste Dump ◽  
Sludge Compost ◽  
Sewage Sludge Compost

Sewage dump is the main organic waste component accumulating in water treatment companies, and therefore the utilization of dump remains a burning issue. Fertilization is the most popular and cheapest way of using sewage dump a part of which is intended for agriculture in most European countries for composting purposes. Sewage dump or its compost are suitable for fertilizing the upper layers of the soil in cases the concentration of heavy metals is not greater than sanitarian standards can tolerate. The examinations were carried out using different waste dump rates from Vilnius water treatment facility in willow (Salix viminalis) grown cultivated fields. The analysis of the soil was executed after one and two years following the fertilization process. The obtained results indicate that waste dump is a valuable organic fertilizer which contains small amounts of heavy metals. Separate heavy metals migrate from sewage sludge compost to plants differently. It was noted that the concentration of heavy metals in willows was greater (except for Pb and Cd) than that in the soil.

A Chip-Level Disposable Optofluidic Device for Biosensing

2009 ◽  
Vol 74 ◽  
pp. 91-94
Author(s):  
H. Liu ◽  
N. Zhang ◽  
Zi Chao Shiah ◽  
X. Zhou
Keyword(s):  
Gold Nanoparticles ◽  
Surface Plasmon Resonance ◽  
Surface Plasmon ◽  
Localized Surface Plasmon Resonance ◽  
Biological Sample ◽  
Layer Structure ◽  
Localized Surface Plasmon ◽  
Precise Control ◽  
Very High

This paper reports the fabrication, testing and characterization of an optofluidic sensor for biological sample detection at nanoscale. This biosensor consists of a two-layer structure fabricated by micro- and nanofabrication technology. A microchannel and its fluid connections have been patterned and formed in the silicon and glass. Gold nanoparticles have been fabricated by nanosphere lithography (NSL) on glass. The device has been tested and characterized by localized surface plasmon resonance (LSPR) experiment using a UV/vis spectrometer to obtain the absorbance as a function of wavelength. This device has innovatively integrated microfluidic and plasmonic technology in chip-level and the testing results show that the sensitivity is very high and suitable for biosensing. This device exhibits great potentials to yield ultra-sensitive bio-detection and precise control of ultra-small amount of bio-fluids.

scholarly journals Newer results of Monte Carlo inversion of IP data in water base protection and ore exploration

2021 ◽  
Author(s):  
Endre Turai ◽  
Byambasuren Turtogtokh ◽  
Mihály Dobróka ◽  
Mátyás Krisztián Baracza
Keyword(s):  
Monte Carlo ◽  
Time Constant ◽  
Iron Ore ◽  
Gold Mine ◽  
Waste Dump ◽  
Iron Ore Mine ◽  
Water Base ◽  
Ore Exploration ◽  
Ore Deposition

AbstractThe paper presents the latest results of Monte Carlo inversion of IP data in the areas of water base protection and ore exploration. The method of determining the time constant spectrum using Monte Carlo inversion and the parameters characterizing the degree of environmental contaminations and ore deposition are presented. Among the field applications in Hungary, the investigation of the ionic pollution of the Ráckeve water base and the characterization of the Felsőtelekes waste dump of the Rudabánya iron ore mine are presented. In addition to these, the paper presents the investigation of ore deposition in the area of a gold mine in Mongolia using the Monte Carlo inversion of multi-electrode pole-dipole IP method.

scholarly journals Characterization of Gosa Municipal Solid Wastes at Abuja, Nigeria

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
Kamoru Seidu ◽  
Ibrahim D Muhammad ◽  
Idris I Ozigis
Keyword(s):  
Moisture Content ◽  
Solid Waste ◽  
Size Distribution ◽  
Average Density ◽  
Solid Wastes ◽  
Waste Dump ◽  
Municipal Solid Wastes ◽  
Dump Site ◽  
Materials Handling

The study examined municipal solid wastes characteristics of Gosa dumpsite at Abuja, Nigeria. Waste characterization has not yet been given adequate attention in management of waste in Nigeria and it is a major problem that affects waste materials handling and recovery processes. Wastes samples from Gosa waste dump site, Abuja, were randomly collected and subjected to moisture content, composition, density and size distribution determinations according to prescribed standards in literature. The moisture content of the Gosa waste solid was 19.3%.  The results of the characterization of the Gosa municipal solid wastes show 34% organic, 10% paper, 28% plastic, 2% glass, 6% metal, 4% fabric, 2% rubber and 14% dust. The average density of glass, metal, plastic, fabric, rubber, paper, organic and dust materials were 0.044 kg/m3, 0.045 kg/m3, 0.176 kg/m3, 0.043 kg/m3, 0.042 kg/m3, 0.074 kg/m3, 0.143 kg/m3 and 0.098 kg/m3, respectively. The size distribution of the Gosa solid waste ranges from 10-28 cm for metals and plastics and 3-13 cm for paper and glass. The rubber had size ranges from 8-23 cm while size ranges of organic was from 3-6 cm. The large presence of organic, plastic, paper and metal wastes at Gosa waste dump site, is an indication that the municipal solid wastes can be sorted, recycled and processed to other useful products, using the characteristics as a guide.Keyword:  Characterization, Density, Municipal Solid Waste, Size Distribution, Waste Management

scholarly journals Open source software tool for the automated detection and characterization of epithelial cells from trace biological samples

2020 ◽  
Author(s):  
Anita Olsen ◽  
Mekhi Miller ◽  
Vamsi K. Yadavalli ◽  
Christopher J. Ehrhardt
Keyword(s):  
Epithelial Cells ◽  
Open Source Software ◽  
Biological Sample ◽  
Fluorescent Dyes ◽  
Microscopic Analysis ◽  
Software Tool ◽  
Automated Detection ◽  
Morphological Properties ◽  
Acid Dyes

AbstractThis paper presents a strategy for an unsupervised workflow for identifying epithelial cells in microscopic images and characterizing their morphological and/or optical properties. The proposed method can be used on cells that have been stained with fluorescent dyes and imaged using conventional optical microscopes. The workflow was tested on cell populations that were imaged directly on touch/contact surfaces and stained with nucleic acid dyes to visualize genetic content. Our results show that this approach could be a useful strategy for characterizing differences in staining efficiency and/or morphological properties of individual cells or aggregate populations within a biological sample. Further, they can potentially reduce the laborious nature of microscopic analysis and increase throughput and reproducibility of similar studies.

scholarly journals Characterization of temporal variations in landfill gas components inside an open solid waste dump site in Sri Lanka

2016 ◽  
Vol 66 (12) ◽  
pp. 1257-1267 ◽  
Author(s):  
Masanao Nagamori ◽  
M.I.M. Mowjood ◽  
Youichi Watanabe ◽  
Yugo Isobe ◽  
Tomonori Ishigaki ◽  
...  
Keyword(s):  
Sri Lanka ◽  
Solid Waste ◽  
Landfill Gas ◽  
Temporal Variations ◽  
Waste Dump ◽  
Dump Site

scholarly journals Screening and Characterization of Antibiotic Producing Organisms from Waste Dump Soil Sample

2020 ◽  
Vol 10 (09) ◽  
pp. 422-433
Author(s):  
Chinenye U. Ezebialu ◽  
Ikechukwu B. Awuribeh ◽  
Ebere M. Eze ◽  
Chigoziri T. Ogu ◽  
Uchechukwu G. Nwankwo ◽  
...  
Keyword(s):  
Soil Sample ◽  
Waste Dump
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