Article
Polymer Science
Tayanee Panapimonlawat, Sukon Phanichphant, Saengrawee Sriwichai
Summary: The study fabricated a PABA/PSS multilayer thin film for use as an electrochemical DA biosensor with good sensitivity, linear range and low detection limit for dopamine detection. The thin film showed powerful efficiency as a dopamine biosensor in real sample analysis.
Article
Chemistry, Multidisciplinary
Adel Ehab Ibrahim, Mohamed Farouk Taher, Alaa El Gindy, Elsayed A. Ibrahim
Summary: This paper reports two novel green methods for the simultaneous determination of OZ and BA in skin creams. One method utilizes an organicsolvent free mixed-micellar HPLC technique, while the other is an eco-friendly high-performance thin-layer chromatography (HPTLC) method. These methods are characterized by their environmental friendliness and high feasibility, and have been successfully applied in marketed pharmaceutical creams.
SUSTAINABLE CHEMISTRY AND PHARMACY
(2023)
Article
Environmental Sciences
Aaron J. Pandopulos, Richard Bade, Benjamin J. Tscharke, Jake W. O'Brien, Bradley S. Simpson, Jason M. White, Cobus Gerber
Summary: This study evaluated catecholamine metabolites as potential population biomarkers and found high correlations and similarities in some wastewater catchments in Australia, indicating their suitability as markers for future studies.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Automation & Control Systems
Feng Wang, Jianshe Zhao, Min Kang
Summary: A shaver cap is a typical thin-walled rotational part, and the processing performance of its torus surface is crucial for cutting efficiency, sharpness, and working noise. Electrochemical face grinding (ECFG) is a promising method for difficult-to-cut thin-walled parts, but there can be challenges with flow field distribution and grinding marks on the torus surfaces. This study proposed using superimposed linear and circular translational movements to enhance the electrochemical grinding performance of multiple torus surfaces, achieving improved flatness and surface roughness under optimized parameters.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2021)
Article
Thermodynamics
Tie Wei, Yanxing Wang, Xiang I. A. Yang
Summary: This paper investigates the layered structure of a turbulent plane wall jet and proposes a new skin friction law based on force balances in mean momentum equation and log-law for mean streamwise velocity in the boundary layer-like region.
INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW
(2021)
Article
Biochemical Research Methods
Sejal Davla, Edward Daly, Jenn Nedow, Ari Gritsas, Laura Curran, Lorne Taylor, Donald J. van Meyel
Summary: The study developed a method using LC-MS/MS to quantify six distinct monoamines in extracts from dissected Drosophila and mouse brain tissues. This quantitative LC-MS/MS methodology has important use for simultaneous measurement of distinct neuroactive monoamines from precious biological specimens.
JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES
(2023)
Article
Chemistry, Multidisciplinary
Kasrin Saisahas, Asamee Soleh, Kiattisak Promsuwan, Jenjira Saichanapan, Apichai Phonchai, Nabeesathul Sumayya Mohamed Sadiq, Way Koon Teoh, Kah Haw Chang, Ahmad Fahmi Lim Abdullah, Warakorn Limbut
Summary: A portable electrochemical device for xylazine detection was developed, integrating an electrochemical paper-based analytical device with a smartphone. The sensor showed excellent accuracy in detecting trace xylazine and has the potential for detecting other illicit drugs.
Article
Chemistry, Multidisciplinary
Edwige Mouafo-Tchinda, Justin Claude Kemmegne-Mbouguen, Charles Peguy Nanseu-Njiki, Henrietta W. Langmi, Chrispin Kowenje, Nicholas M. Musyoka, Robert Mokaya
Summary: An organoclay/Cu-MOF composite was synthesized using a solvothermal method and drop coating was used to form a stable thin film onto glassy carbon electrodes. These electrodes demonstrated electrocatalytic behavior toward DXEP, AC, and TYR, enabling their selective and simultaneous sensitive detection compared to bare electrodes and clay modified electrodes.
Article
Chemistry, Applied
Yuzhi Li, Chengying Zhao, Chang Lu, Shuaishuai Zhou, Guifang Tian, Lili He, Yuming Bao, Marie-Laure Fauconnier, Hang Xiao, Jinkai Zheng
Summary: Citrus flavonoids are diverse in structure and health effects, requiring rapid and efficient methods for simultaneous determination of multiple analogs. The TLC-SERS technique enables the simultaneous separation and detection of 14 citrus flavonoids with high sensitivity and accuracy, offering a promising approach for rapid and sensitive detection of flavonoids in real samples.
Article
Chemistry, Analytical
Syed Dilshad Alam, Mirza Adil Beg, Muralidhararao Bagadi, Marcello Locatelli, Zeid A. Alothman, Mohd Mustaqeem, Imran Ali
Summary: Berberine was extracted from Berberis vulgaris, Berberis aquifolium, and Hydrastis canadensis using ethanol and water (70:30, v/v). The extracted berberine was characterized using UV-visible and Fourier-transform infrared spectroscopy. Thin-layer chromatography and high-performance liquid chromatography (HPLC) methods were both employed for the separation and identification of berberine, and showed different applications. The extracted berberine exhibited better activity in treating Leishmaniosis compared to the standard drug Amphotericin B.
JOURNAL OF SEPARATION SCIENCE
(2023)
Article
Engineering, Aerospace
S. Vaisakh, T. M. Muruganandam
Summary: An experimental study was conducted to understand the near flowfield of an over-expanded supersonic wall-jet. The study focused on capturing flow features using shadowgraphy, oil flow visualization, and infrared thermography, with a comparative analysis between the two methods. The research also looked at the ability of these methods to capture supersonic surface flow features and listed their merits and demerits.
AEROSPACE SCIENCE AND TECHNOLOGY
(2021)
Article
Electrochemistry
S. Swathy, Manna Rachel Mathew, K. Girish Kumar
Summary: We have developed an electrochemical sensor based on poly L-methionine/electrochemically reduced graphene oxide composite film modified glassy carbon electrode for the simultaneous determination of 5-hydroxyindole acetic acid and tyrosine. The sensor offers sensitive and selective detection, and has been successfully applied to artificial urine and blood serum samples.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Article
Biochemical Research Methods
Rajasree G. Krishnan, Beena Saraswathyamma
Summary: This study presents a protocol for the simultaneous electroanalysis of tryptamine, serotonin, and dopamine using a conducting poly-murexide-based electrode, the first report of its kind. The analytes underwent irreversible electro-oxidation at the modified electrode surface under optimized conditions, with linear ranges for dopamine, serotonin, and tryptamine. The specificity of the developed electrode was satisfactory in the presence of other biomolecules, and electroanalysis was demonstrated in human serum for these targets.
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
(2021)
Article
Engineering, Manufacturing
Xiaolei Chen, Jiasen Chen, Krishna Kumar Saxena, Jiajun Zhu, Xiaolong Gu, Zhongning Guo
Summary: This paper proposes a novel liquid confinement technique to improve the deposition localization in the ECAM process. By using dichloromethane to confine the flow field distribution of electrolyte and localize the electric field, stray deposition can be avoided and deposition localization can be improved. Experimental results showed a 43.84% improvement in deposition localization compared to traditional methods.
JOURNAL OF MANUFACTURING PROCESSES
(2022)
Article
Materials Science, Multidisciplinary
Antolin Jesila Jesu Amalraj, Umesh Narasimha Murthy, Sea-Fue Wang
Summary: Transition metal ion-influenced titanates on glassy carbon electrodes can enhance electrocatalytic activity for simultaneous detection of poultry feed antibiotics furazolidone and dimetridazole. Among the metal titanates, NiTiO3 showed superior electrochemical performance. The advanced sensor using NiTiO3-modified electrode achieved a linear range, low detection limits, and high sensitivities for the simultaneous detection of the antibiotics.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
