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A NEW MULTI-SPECTRAL THRESHOLD NORMALIZED DIFFERENCE WATER INDEX (MST-NDWI) WATER EXTRACTION METHOD – A CASE STUDY IN YANHE WATERSHED
Water Extraction MST-NDWI Small Linear River Remote Sensing Yanhe Watershed
2018/5/17
Accurate remote sensing water extraction is one of the primary tasks of watershed ecological environment study. Since the Yanhe water system has typical characteristics of a small water volume and nar...
Liquid chromatography/mass spectrometry analysis of perfluoroalkyl carboxylic acids and perfluorooctanesulfonate in bivalve shells: Extraction method optimization
Perfluorinated carboxylic acids Perfluorooctanesulfonate Shell Soft tissue Acid digestion Solid phase extraction
2013/12/12
Different extraction methods, including extraction by organic solvents with and without acetic acid digestion,and mixed inorganic acid digestion coupled with solid phase extraction (SPE), were develop...
Simultaneous determination of Cu(II) and Pd(II) as 4-phenylpiperazinecarbodithioate complex using H-point standard addition method and derivative spectrophotometry
Simultaneous determination of Cu Pd 4-phenylpiperazinecarbodithioate complex H-point standard addition method derivative spectrophotometry
2010/10/15
A new, simple, inexpensive, and sensitive method for the simultaneous spectrophotometric determination of Cu(II) and Pd(II) by H-point standard addition method and derivative spectrophotometry is desc...
Spectrophotometric Determination of Trace Phosphate Ions by Amplitude-Modulated Flow Analysis Coupled with Malachite Green Method
Spectrophotometric Determination Trace Phosphate Ions
2010/9/14
An amplitude-modulated flow analysis coupled with lock-in detection is proposed for the determination of trace phosphate. The flow rate FS of sample solution is varied in response to a periodic signal...
Rapid UHPLC Method for Simultaneous Determination of Vancomycin, Terbinafine, Spironolactone, Furosemide and Their Metabolites: Application to Human Plasma and Urine
Rapid UHPLC Method Simultaneous Determination Vancomycin
2010/9/14
The ultra high performance liquid chromatography (UHPLC)-UV method for the simultaneous determination of furosemide, saluamine (furosemide metabolite), spironolactone, carnenone (spironolactone active...
Open-cell Titration of Seawater for Alkalinity Measurements by Colorimetry Using Bromophenol Blue Combined with a Non-linear Least-squares Method
Seawater for Alkalinity Measurements Colorimetry Using Bromophenol Blue Combined Non-linear Least-squares Method
2010/9/13
The open-cell titration of seawater was studied for alkalinity measurements by colorimetry. 1) The colorimetric pH of free hydrogen ion concentration, pHF(ind), was calculated from the ratio of the ab...
Limulus Amebocyte Lysate Assay for Endotoxins by an Adsorption Method with Polycation-immobilized Cellulose Beads
Limulus Amebocyte Lysate Assay Endotoxins Polycation-immobilized Cellulose Beads
2010/9/17
To assay lipopolysaccharides (LPSs) in solutions containing Limulus amebocyte lysate (LAL)-inhibiting or LAL-enhancing compounds, we developed a selective endotoxin (LPS) assay using poly(ε-lysine)-i...
A Practical Method for Determining Minimum Detectable Values in Pulse-Counting Measurements
Determining Minimum Detectable Values Pulse-Counting Measurements
2010/9/17
The purpose of this paper is to propose a statistical method for determining minimum detectable values in a pulse-counting measurements. The output of x-ray, electron and ion-spectroscopy detectors i...
Appearance Potential Spectroscopy (APS): Old Method, but Applicable to Study of Nano-structures
Appearance Potential Spectroscopy Old Method Nano-structures
2010/9/17
An old surface analytical method, appearance potential spectroscopy (APS), which can probe empty electronic states, is briefly reviewed, since it has an ability to be applied to studying nanostructure...
Hyperplane Intercept Vector Calibration Method in Grey Analytical Systems
Hyperplane Intercept Vector Calibration Method Analytical Systems
2010/9/20
A novel vector calibration method, hyperplane intercept, is proposed for grey analytical systems to resolve the concentrations of the chemical components from the multi-component data gained from atte...
Highly Sensitive Determination of Cadmium and Lead in Leached Solutions from Ceramic Ware by Graphite Furnace Atomic Absorption Spectrometry Coupled with Sequential Injection-based Solid Phase Extraction Method
Cadmium Ceramic Ware Graphite Furnace Atomic Absorption Spectrometry
2010/9/20
A fully automated pretreatment system based on sequential injection solid-phase extraction (SPE) coupled to a graphite furnace atomic absorption spectrometer (Auto-Pret-GFAAS system) was developed to...
Development of Signaling Echo Method for Cell-based Quantitative Efficacy Evaluation of Anti-cancer Drugs in Apoptosis without Drug Presence Using High-precision Surface Plasmon Resonance Sensing
Signaling Echo Method Cell-based Quantitative Efficacy Evaluation Anti-cancer Drugs
2010/9/20
We propose a rapid and label-free quantitative evaluation of anti-cancer drug efficacy in apoptosis using live cancer cells cultured on a sensor chip. The resultant custom-made, high-precision surface...
Speciation and Analysis of Arsenic(III) and Arsenic(V) by Electrochemical Hydride Generation Spectrophotometric Method
Speciation and Analysis Arsenic(III) Arsenic(V) Electrochemical Hydride Generation Spectrophotometric Method
2010/9/17
A simple method was developed for speciation and spectrophotometric determination of inorganic As(III) and As(V) using an electrochemical hydride generation technique. For speciation of As(III) and As...
Stability Indicating HPTLC Method for Determination of Terbutaline Sulfate in Bulk and from Submicronized Dry Powder Inhalers
Stability Indicating HPTLC Method Terbutaline Sulfate Submicronized Dry Powder Inhalers
2010/9/20
A stability-indicating high-performance thin-layer chromatographic (HPTLC) method has been developed for the determination of terbutaline sulfate (TBS) as a bulk drug and in pharmaceutical formulatio...
Determination of Iron Monosulfide and Iron Disulfide in Suspensions by an Electrochemical Method Using a Platinum-Silver Twin-Electrode
Determination Iron Monosulfide Iron Disulfide Suspensions Electrochemical Method
2010/9/13
New electrochemical technique with a Pt-Ag twin electrode is proposed for the determining the contents of iron sulfides (FeS and FeS2) in a suspension. After electrolytic oxidation with a Pt electrode...