AIMC Topic: Spectrophotometry, Ultraviolet

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Use of ultraviolet-visible spectrophotometry associated with artificial neural networks as an alternative for determining the water quality index.

Environmental monitoring and assessment May 2, 2018
The water quality index (WQI) is an important tool for water resource management and planning. However, it has major disadvantages: the generation of chemical waste, is costly, and time-consuming. In order to overcome these drawbacks, we propose to s...
Neural Networks, Computer Brazil Water Quality Rivers Environmental Monitoring Spectrophotometry, Ultraviolet Water Pollutants, Chemical Water Pollution, Chemical Principal Component Analysis Ultraviolet Rays
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Chemical findings and in vitro biological studies to uphold the use of Ficus exasperata Vahl leaf and stem bark.

Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association Dec 27, 2017
Ficus exasperata Vahl, commonly known as sandpaper, is a terrestrial Afro-tropical tree used in popular medicine. Despite the existence of some works on the biological activities of this species, its chemical composition is still poorly known. The ai...
Functional Food Dietary Supplements Humans Plant Extracts Free Radical Scavengers Plant Leaves Chromatography, High Pressure Liquid Reproducibility of Results Nitric Oxide Drug Screening Assays, Antitumor Superoxides Spectrometry, Mass, Electrospray Ionization Cell Line, Tumor Plant Bark Hypoglycemic Agents Ficus Plant Stems Dose-Response Relationship, Drug Inhibitory Concentration 50 Spectrophotometry, Ultraviolet
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New insights into the efficiency of thymol synergistic effect with p-cymene in inhibiting advanced glycation end products: A multi-way analysis based on spectroscopic and electrochemical methods in combination with molecular docking study.

Journal of pharmaceutical and biomedical analysis Dec 24, 2017
Protein glycation in the body is one of the main reasons of diabetes complications. The electrochemical studies on the inhibitory mechanism of glycation are rather scarce. Thus, it is important to investigate the role of electrochemistry in the glyca...
Molecular Docking Simulation Spectrophotometry, Ultraviolet Protein Binding Cymenes Glycosylation Thymol Kinetics Binding Sites Drug Synergism Protein Conformation Monoterpenes Lysine Arginine Serum Albumin, Bovine Hypoglycemic Agents Glycation End Products, Advanced Protein Processing, Post-Translational Structure-Activity Relationship Electrochemical Techniques
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Stability of infliximab solutions in different temperature and dilution conditions.

Journal of pharmaceutical and biomedical analysis Dec 18, 2017
Infliximab is a monoclonal antibody widely used for the treatment of inflammatory diseases. Over the past few years, many studies have assessed that monoclonal antibodies are prone to aggregation under stress conditions. The aim of this study was to ...
Temperature Time Factors Nanoparticles Spectroscopy, Fourier Transform Infrared Infliximab Biosimilar Pharmaceuticals Protein Stability Drug Stability Chromatography, Ion Exchange Nephelometry and Turbidimetry Peptide Mapping Drug Compounding Osmolar Concentration Pharmaceutical Solutions Technology, Pharmaceutical Antirheumatic Agents Protein Aggregates Spectrophotometry, Ultraviolet Chromatography, Gel
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The application of artificial neural networks and support vector regression for simultaneous spectrophotometric determination of commercial eye drop contents.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Dec 5, 2017
In the present study, artificial neural networks (ANNs) and support vector regression (SVR) as intelligent methods coupled with UV spectroscopy for simultaneous quantitative determination of Dorzolamide (DOR) and Timolol (TIM) in eye drop. Several sy...
Spectrophotometry, Ultraviolet Timolol Support Vector Machine Ophthalmic Solutions Sulfonamides Thiophenes Humans Neural Networks, Computer
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A novel aptasensor for the colorimetric detection of S. typhimurium based on gold nanoparticles.

International journal of food microbiology Dec 30, 2016
A simple, fast and convenient colorimetric aptasensor was fabricated for the detection of Salmonella typhimurium (S. typhimurium) which was based on the color change effect of gold nanoparticles (GNPs). S. typhimurium is one of the most common causes...
Color Food Microbiology Sodium Chloride Reproducibility of Results Gold Microscopy, Electron, Transmission Colorimetry Metal Nanoparticles Spectrophotometry, Ultraviolet Aptamers, Nucleotide Limit of Detection Food Contamination Salmonella typhimurium
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HPLC-UV method for simultaneous determination of MK-1775 and AZD-7762 in both acetonitrile-aqueous solution and mouse plasma.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences Dec 30, 2016
A sensitive and precise method is described for the simultaneous determination of two small molecule kinase inhibitors: MK-1775 (MK) and AZD-7762 (AZD), in acetonitrile (ACN)-aqueous solution and in mouse plasma. A Nova-Pak C18 reversed phase column ...
Spectrophotometry, Ultraviolet Pyrimidines Pyrimidinones Linear Models Pyrazoles Thiophenes Urea Female Reproducibility of Results Animals Mice Mice, Inbred BALB C Limit of Detection Chromatography, High Pressure Liquid Solid Phase Extraction
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Neural networks applied to characterize blends containing refined and extra virgin olive oils.

Talanta Aug 10, 2016
The identification and quantification of binary blends of refined olive oil with four different extra virgin olive oil (EVOO) varietals (Picual, Cornicabra, Hojiblanca and Arbequina) was carried out with a simple method based on combining visible spe...
Neural Networks, Computer Food Contamination Olive Oil Spectrophotometry, Ultraviolet
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Fit-for-purpose chromatographic method for the determination of amikacin in human plasma for the dosage control of patients.

Talanta Dec 21, 2015
In this paper, a simple, rapid and sensitive method based on liquid chromatography with fluorimetric detection (HPLC-FLD) for the determination of amikacin (AMK) in human plasma is developed. Determination is performed by pre-column derivatization of...
Humans Quality Control Fluorometry Spectrophotometry, Ultraviolet Amikacin Anti-Bacterial Agents Dose-Response Relationship, Drug Bacterial Infections Chromatography, High Pressure Liquid
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Fabrication of highly catalytic silver nanoclusters/graphene oxide nanocomposite as nanotag for sensitive electrochemical immunoassay.

Analytica chimica acta Dec 18, 2015
Silver nanoclusters and graphene oxide nanocomposite (AgNCs/GRO) is synthesized and functionalized with detection antibody for highly sensitive electrochemical sensing of carcinoembryonic antigen (CEA), a model tumor marker involved in many cancers. ...
Microscopy, Electron, Transmission Spectrophotometry, Ultraviolet Electrochemical Techniques Limit of Detection Silver Oxides Catalysis Immunoassay Nanostructures Graphite
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