-
7801
Development and Validation of an Analytical Procedure for the Quantitative Determination of Total Flavonoids in Red-Stem Buckwheat Herb (<i>Fagopyrum rubricaulis</i>) by Spectropho...
Published 2023-08-01“…The analytical procedure was validated for specificity, linearity, repeatability, and intermediate precision. …”
Get full text
Article -
7802
Focused ion beam-induced platinum deposition with a low-temperature cesium ion source
Published 2025-06-01“…In addition to precise milling, the deposition of material at a specific location on a sample surface is a frequently used process of focused ion beam (FIB) systems. …”
Get full text
Article -
7803
Fluorescent carbon quantum dots from Syzygium aromaticum as a selective sensor for Fe3+ and Cd2+ detection in aqueous solution
Published 2025-06-01“…Sensitivity analysis revealed linearity (R2 = 0.988 for Fe3+, R2 = 0.994 for Cd2+) with detection limits of 0.515 μM and 0.403 μM, respectively. …”
Get full text
Article -
7804
Determination of Free Amino Acids in Three Species of Duckweed (Lemnaceae)
Published 2018-01-01“…Method validation was processed in terms of linearity, precision, stability, repeatability, and accuracy as well as limits of detection and quantification. …”
Get full text
Article -
7805
Quantitative Determination of Naltrexone Hydrochloride in a Nasal Spray by High-performance Liquid Chromatography
Published 2020-05-01“…The developed method was validated according to the parameters: correctness, precision, specificity, linearity.…”
Get full text
Article -
7806
Nectarine core-derived magnetite biochar for ultrasound-assisted preconcentration of polycyclic aromatic hydrocarbons (PAHs) in tomato paste: A cost-effective and sustainable appro...
Published 2024-12-01“…Under optimum conditions, the method demonstrated excellent linearity (R2 > 0.992) across a wide concentration range (0.01-100 ng g−1) with high sensitivity (LODs: 0.028-0.053 ng g−1, LOQs: 0.094-0.176 ng g−1) and good repeatability (RSDs <5.96 %). …”
Get full text
Article -
7807
LC-MS/MS method for detecting trace levels of aflatoxin B1 in cultivated cannabis from Republic of North Macedonia
Published 2024-12-01“…Validation of the method demonstrated excellent linearity (R²=0.999), precision (CV% < 20%), and recovery rates between 103-112%. …”
Get full text
Article -
7808
Graphene coated optical microfiber for aflatoxin B1 detection
Published 2024-12-01“…It reveals a sensitivity of 0.018 nm/ppm with a linearity of more than 90 %. This finding shows that the proposed sensor can be used to detect various concentration of Aflatoxin sample with the ability to offer real time measurement.…”
Get full text
Article -
7809
Experimental determination of the coefficient of viscosity of the dry snow
Published 2024-11-01“…The quantitative estimate of this process is acoefficient of the snow viscosity, which is linearly related to the rate of the snow cover deformation The technique for preparation and testing of samples with the fine-grain snow under condition of uniaxialcompression at negative temperatures is described. …”
Get full text
Article -
7810
Chlorpyrifos Detection Based on 9-Fluorenone Oxime
Published 2025-05-01“…Following careful optimization, the method demonstrated excellent linearity (R<sup>2</sup> = 0.98) over a concentration range of 350 to 6980 μg/L, with a limit of detection of 15.5 μg/L. …”
Get full text
Article -
7811
Determination of polychlorinated biphenyls in water by gas chromatography-electron capture detector combined with automated liquid-liquid extraction and dispersive solid phase extr...
Published 2016-01-01“…Among these sample preparation methods, SPE, SPDE, SPME, and HS SPME usually suffer from high cost, sample carry-over, and time-declining performance. …”
Get full text
Article -
7812
ANALYSIS AND VALIDATION OF DETECTION METHOD FOR ETHYLENE AND DIETHYLENE GLYCOL CONTAMINANTS IN SYRUP USING GCMS (GAS CHROMATOGRAPHY-MASS SPECTROMETER)
Published 2025-06-01“…The acquisition test results produced a relative standard deviation (RSD) value of 0.87. The linearity test showed a correlation coefficient (r) of 0.955. …”
Get full text
Article -
7813
Evaluating of the Relationships between aAverage Particle Size and Microstructure-Mechanical Properties of Materials Produced in Different Compositions using Ultrasonic Method
Published 2024-12-01“…It was found that both VL and VT velocities, Young’s modulus (E) and shear modulus (G), as well as hardness values, changed approximately linearly with increasing Cr content. In this study, samples with different volumetric compositions were produced using the powder metallurgy method. …”
Get full text
Article -
7814
Assessment of thiamine and riboflavin levels in common green leafy vegetables grown in Shariatpur, Bangladesh
Published 2025-01-01“…The calibration curves exhibited good linearity (R2 > 0.99), and the recovery percentages were found to be excellent also, at 108.22 % and 100.22 % for thiamine and riboflavin, respectively. …”
Get full text
Article -
7815
Quantification of Metronidazole in Tablets: Combining Thin-Layer Chromatography in the GPHF-Minilab™ with Image Processing Using Open-Source ImageJ Software
Published 2024-10-01“…We validated this TLC method using 250 and 500 mg metronidazole tablets from different manufacturers and assessed linearity, range, accuracy, precision, intermediate precision, specificity, and robustness. …”
Get full text
Article -
7816
Rapid and Simultaneous Quantification of Six Aristolochic Acids and Two Lignans in Asari Radix et Rhizoma Using Ultra-Performance Liquid Chromatography-Triple Quadrupole Tandem Mas...
Published 2022-01-01“…The method showed available linearity (R2 ≥ 0.991), the limit of quantification (2–5 ng/mL), precision (RSD <8.12%), and accuracy (89.78–112.16%). …”
Get full text
Article -
7817
Rock Mechanical Properties and Breakdown Pressure of High-Temperature and High-Pressure Reservoirs in the Southern Margin of Junggar Basin
Published 2021-01-01“…Based on the correlation analysis, it is found that the static elastic modulus is linearly related to the dynamic value, while static Poisson’s ratio is a quadratic function of the dynamic value. …”
Get full text
Article -
7818
Towards Automated Testing of Kynurenine for Point-of-Care Metabolomics
Published 2025-06-01“…To reduce background interference, we used dilution and anion exchange chromatography for urine samples and acid precipitation for serum samples. …”
Get full text
Article -
7819
The Profile of Students’ Analytical Thinking Skills on Chemistry Systemic Learning Approach
Published 2019-12-01“…The movement of educational systems on the 21st century need to be change from linearity to systemic form. The aims of this research is to determine the effect of Chemistry Systemic Learning Approach (CSLA) toward Students’ Analytical Thinking Skills (SATS). …”
Get full text
Article -
7820
Targeted Filaggrin Gene (FLG) Sequencing: A Pilot Study among Indian Children with Atopic Dermatitis
Published 2025-03-01“…Background: Filaggrin deficiency causes early-onset atopic dermatitis (AD), extrinsic AD, persistent and severe disease, palmoplantar hyper linearity, keratosis pilaris, and increased risk of hand eczema. …”
Get full text
Article