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Showing 1 to 20 of 72 for “"FIA"”.
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Applications of Bipolar Pulse Conductance to Flowing Streams (Enzymes, Hplc, Immobilized, Fia)
… streams, particularly flow injection analysis (FIA), to facilitate analytical measurements has increased significantly in the past several years. Conductance has generally not been used as a detector for flowing streams. Two reasons for this are conductance's lack of selectivity and instrumental …
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Flow injection analysis (FIA) determination of lead by hydride generation in banded coral skeletons /
A flow injection hydride generation direct current plasma atomic emission spectrometric (FI-HG-DCP-AES) method was developed for the determination of lead at ng.ml-l level. Potassium ferricyanide (K3Fe(CN)6) was used along with sodium tetrahydroborate(III) (NaBH4) to produce plumbane (PbH4) in an …
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Flow Injection Analysis of industrial water samples
An automated version of Flow Injection Analysis (FIA) instrumentation has been designed and evaluated for the quantitative determination of chemical oxygen demand (COD) for industrial samples. The distinct advantages over conventional COD assays are the significantly reduced analysis time (FIA …
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Evaluating Population-Habitat Relationships of Forest Breeding Birds at Multiple Spatial and Temporal Scales Using Forest Inventory and Analysis Data
… Forest Service Forest Inventory and Analysis (FIA) program and U.S. Geological Survey Breeding Bird Survey (BBS) that span large geographic regions. The purposes of this study were to determine if FIA metrics can be related to BBS population indices at multiple spatial and temporal scales and …
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Comparison of ion chromatography and flow injection analysis methods for monitoring chlorite and chlorate ions in drinking water
… injection analysis with iodometric detection (FIA) and ion chromatography with conductivity detection (IC). Both the FIA and IC methods were accurate for the determination of CIO₂-; and CIO₃-; in reagent water. The IC method was accurate in drinking water, however, FIA responded to chloramines …
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Improving Site Quality Estimates in the Upland Hardwood Forests of the Southern Appalachians with Environmental and Spatial Modeling
… U.S. Forest Service Forest Inventory Analysis (FIA) data. Specific hypotheses included: FIA measures of forest productivity are related to one another; FIA measures of forest productivity are related to FIA-measured landscape parameters; and FIA measures of forest productivity are related to …
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Immunoassays by flow injection analysis.
A home-built flow injection analysis (FIA) system was fully automated using an Apple IIe microcomputer, and subsequently used as a versatile system for the study of immunoassay procedures. The performance of the automated system was monitored by using the turbidimetric detection of barium sulphate …
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Industrial applications of flow injection analysis
Flow injection analysis (FIA) is characterized by its ease of automation, high throughput, simple instrumental requirements, and wide applicability. These unique features make FIA a very useful analytical tool in industrial applications. In this dissertation, FIA systems, operating both in liquid …
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Determination of hydrogen peroxide using immobilized chemiluminescence reagents and flow injection analysis
… hydrogen peroxide using flow injection analysis (FIA) was investigated. Nylon was initially chosen as the immobilization support because of its chemical inertness. Luminol was covalently immobilized on the inside of nylon tubing and used for FIA determination of peroxide using solution-phase hemin …
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Landsat TM-Based Forest Area Estimation Using Iterative Guided Spectral Class Rejection
… replace the current aerial-photography-derived FIA Phase 1 estimates of forest/non-forest with a Landsat Thematic Mapper-based forest area estimation. Corrected area estimates were obtained using a new hybrid classifier called Iterative Guided Spectral Class Rejection (IGSCR) for portions of …
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Inducible immunity to Trichomonas vaginalis in a mouse model of vaginal infection.
… and boosted with Freund's incomplete adjuvant (FIA) at day $-$28, or immunized only at day $-$28 with either Tv/FCA or Tv/FIA. Control mice were sham immunized and boosted with phosphate-buffered saline suspended in FCA and FIA respectively. At day 0 all mice were intravaginally inoculated with …
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FLOW SYSTEMS FOR CLINICAL ANALYSIS USING IMMOBILIZED ENZYMES AND CHEMILUMINESCENCE DETECTION (CHROMIUM, GLUCOSE)
… clinical method: a flow injection analysis (FIA) system and a two phase flow system. Both systems take advantage of the specificity of enzyme reactions.</p><p>FIA systems for the determination of Cr(III) and glucose, based on luminol CL were developed. The Cr(III) system used EDTA as a …
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ΑΝΑΠΤΥΞΗ ΑΥΤΟΜΑΤΟΠΟΙΗΜΕΝΩΝ ΜΕΘΟΔΩΝ ΑΝΑΛΥΣΕΩΣ ΜΕ ΤΗΝ ΤΕΧΝΙΚΗ ΕΙΣΑΓΩΓΗΣ ΔΕΙΓΜΑΤΟΣΣΕ ΡΟΗ
AN AUTOMATED FIA ANALYZER WAS ASSEMBLED AT THE ANALYTICAL CHEMISTRY DEPARTMENT OF THE UNIVERSITY OF ATHENS, FROM COMMERCIALLY AVAILABLE PARTS AND ON-LINE WITHA COMPUTER TO CONTROL THE SYSTEM, ELABORATE THE DATA AND FOR THE OPTIMIZATION OF THE PARAMETERS OF THE NEW METHODS USING THE SIMPLEX METHOD. …
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Immunhistologische Charakterisierung experimenteller Lymphangiome der Maus
… Injektionen von Freund's incomplete adjuvant (FIA) in adulte Mäuse, nach Mancardi et al. (1999), wurden experimentelle Lymphangiome induziert. Mittels CD45, einem immunhistologischen Marker für Leukozyten, konnte nachgeweisen werden, dass das Tumorgewebe in erster Linie aus einer massiven …
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Acid deposition effects on soil chemistry and forest growth on the Monongahela National Forest
… managers we used Forest Inventory and Analysis (FIA) sites to evaluate forest growth patterns on the Forest and determined the relationship between growth and key indicators of soil acidity. Furthermore, we used those relationships to create a map of site resistance to acidification across the …
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Comparison of Techniques for Estimation of Forest Soil Carbon
… use the resulting Forest Inventory and Analysis (FIA) database for analytical and decision making tasks. FIA data is available to the public in transformed or aggregate format in order to ensure confidentiality of data suppliers. The second main objective of this project was to compute SOC (kg …
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Study of Immobilizing Cadmium Selenide Quantum Dots in Selected Polymers for Application in Peroxyoxalate Chemiluminescence Flow Injection Analysis
… were injected into the flow injection analyzer (FIA) constructed to simulate enzyme-generated hydrogen peroxide reacting with bis-(2,4,6-trichlorophenyl) oxalate.</p> <p>Linear correlations between hydrogen peroxide and chemilumenscent intensities yielded regression values greater than 0.9750 for …
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Application of Ancillary Data In Post-Classification to Improve Forest Area Estimates In A Landsat TM Scene
… change estimates, the Forest Inventory Analysis (FIA) program has moved to an annual system in which 20% of the permanent plots in a state are surveyed. The previous system sampled permanent plots in 10-year intervals by sampling states sequentially in a cycle (Wayman 2001, USDA FIA). The move to …
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Atomic emission misconceptions as investigated through student interviews and measured by the Flame Test Concept Inventory
… in Appendix A- Flow injection analysis (FIA) and liquid chromatography (LC) for multifunctional chemical analysis (MCA) systems. The large class sizes of first year chemistry labs makes it challenging to provide students with hands-on access to instrumentation because the number of …
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