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Article
Manufacturer Identification and Active Ingredient Determination of Medicinal Products by Smartphone-Based Near-IR Colorimetry
A nondestructive method for the analysis of pharmaceuticals (nonsteroidal anti-inflammatory drugs, fluoroquinolones, acetylsalicylic acid, vinpocetine, tetracyclines) via IR diffuse reflection recorded using a...
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Article
Sample Screening and Determination of 214 Veterinary Drug Residues in Food Using Chromatography–High-Resolution Mass Spectrometry
A combination of sample screening and subsequent confirmatory detection of contaminants represents an optimal strategy for routine analysis in implementing food safety monitoring programs. We propose ultra-hig...
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Article
Analyzing Dairy Products: Measuring Milk Fat Mass Fraction and Detecting Adulteration Using the PhotoMetrix Pro® Smartphone App
We propose a UV device, fabricated by 3D printing, designed for dairy product analysis (including drinking milk, cottage cheese, kefir, sour cream, and butter), coupled with a smartphone with the PhotoMetrix PRO®
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Article
Capillary Electrophoresis in Assessing the Quality and Safety of Foods
This review is dedicated to the application of capillary electrophoresis to assess the quality and safety of food products.
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Article
Using Smartphones in Chemical Analysis
The review covers the current status and prospects for the development of digital colorimetry using a smartphone as a color recording device. The applications of the rapid analysis methodology for the control ...
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Article
Identification and Authentication of Milk Using Digital Colormetry of Indicator Test Systems, Smartphone, and Chemometric Analysis
A simple and an available method is proposed for the identification and authentication of milk using a test device, a smartphone, and chemometric analysis. For the identification by the region of origin and th...
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Article
Identification and Authentication of Cow Milk Powder Using a Smartphone and Chemometric Analysis
The possibility of identifying and authenticating cow milk powder by the method of chemical colorimetry of the fluorescence of samples using a smartphone camera and chemometric analysis is shown. A fundamental...
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Article
Determination of Residual Amounts of Antibiotics in Environmental Samples and Food Products
We present a review of methods for the sample preparation and determination of residual amounts of antibiotics in environmental samples and food products: aminoglycosides, amphenicols, glycopeptides, diaminopy...
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Article
Using a Smartphone in the Identification and Classification of Natural Mineral Waters by Color Measurements of Indicator Papers
A test device based on cellulose paper is proposed for the identification and classification of natural mineral waters. It contains indicator zones for determining total hardness, alkalinity, and pH of water, ...
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Article
Microextraction-Colorimetric Determination and Identification of Penicillin Antibiotics in Medicines Using a Smartphone and Chemometric Analysis
We propose a rapid and simple method for determining penicillin antibiotics in medicines based on dispersive liquid–liquid microextraction of penicillin–Methylene Blue associates and measuring the colorimetric...
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Article
Digital Colorimetry of Indicator Test-Systems Using a Smartphone and Chemometric Analysis in Determination of Quinolones in Pharmaceuticals
A combined approach was developed for the identification and determination of quinolone antibiotics in pharmaceuticals using solid-state fluorescence digital colorimetry and chemometric analysis. The eigen flu...
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Article
Solid-Phase Fluorimetric Determination of Some Nonsteroidal Anti-Inflammatory Drugs in Medicines with the Aid of a Smartphone
A fast and simple method for determining the active ingredients of non-steroidal anti-inflammatory drugs (NSAIDs) meloxicam and tolfenamic, mefenamic, and niflumic acids using digital colorimetry of solid-stat...
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Article
Using a Smartphone for Determining Tetracyclines in Water and Milk by the Sensitized Solid State Fluorescence of Europium on Its Hydroxide
A possibility of determining antibacterial preparations of the tetracycline series (tetracycline, doxycycline, oxytetracycline, demeclocycline, methacycline and chlortetracycline) in waste water, natural water...
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Article
Solid-Phase-Fluorimetric Determination of Quinolones in Medicinal Preparations on Cellulose Paper and in a Thin Silica Layer Using a Smartphone
A simple and an available method is proposed for the determination of quinolone antibiotics using solid-phase fluorescence digital colorimetry. The intrinsic fluorescence of 17 quinolones and the quinolone-sen...
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Article
Sorption-Fluorimetric Determination of Quinolones in Waste and Natural Waters with a Smartphone
A simple, affordable, and safe (green chemistry) method is proposed for determining 17 quinolone antibiotics in waste and natural waters by the sorption-fluorimetric method using a smartphone as an analyte sig...
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Article
Solid-Phase Fluorimetric Determination of Tetracyclines in Medicinal Preparations on Cellulose Paper and in Thin-Layer Silica Gel Using a Smartphone
The possibility of determining the active substances of antibacterial drugs of the tetracycline series (tetracycline, doxycycline, oxytetracycline, demeclocycline, metacycline, and chlortetracycline) using sol...
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Article
Identification of Cationic and Anionic Surfactants by Chromatography–Mass-Spectrometry in the Microextraction–Fluorimetry Screening of Water and Food Products
A method is proposed for the identification of surfactants by ultra-performance liquid chromatography (UPLC) with high-resolution mass spectrometry detection after screening water and food samples for the tota...
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Article
Microextraction–Colorimetric (Fluorimetric) Determination of Cationic and Anionic Surfactants in Food Products
A method is proposed for the determination of cationic and anionic surfactants in food products based on the use of dispersive liquid–liquid microextraction of surfactant ion pairs with organic reagents (eosin...
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Article
Identification and Determination of Nonionic Surfactants by Ultrahigh-Performance Liquid Chromatography–High-Resolution Mass Spectrometry
We proposed a procedure for the identification and determination of nonionic surfactants in natural waters by ultra-HPLC with high-resolution mass spectrometry detection. The main analytical characteristics of...
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Article
Microextraction-Colorimetric Determination of Quaternary Ammonium Compounds in Medicines and Disinfectants
We propose a method for the determination of quaternary ammonium compounds (QACs) in medicines and disinfectants, based on dispersive liquid–liquid microextraction of associates with eosin and measurement of t...
