Simultaneous Quantification of Aspirin, Its Metabolite Salicylic Acid, and Salvianolic Acid B in Human Plasma Using UPLC-MS/MS by Weiyi Cao, Hezhi Yao, Zhenzhen Qian, Yi Wu, Shuge Wang, Rui Li, Rui Gao

“…The analytes and internal standard were extracted from the acidified plasma by liquid-liquid extraction with ethyl acetate and then separated by gradient elution with acetonitrile/0.5% formic acid in water on a C18 column. …”
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Impact of Pretreatment and Drying Factors on Chemical and Biochemical Attributes of Moroccan Thompson Seedless Grapes by Abdelhakim Boudboud, Mohamed Ben Aziz, Hassan Hajjaj, Lhoussain Hajji, Bruno de Meulenaer, Hamid Mazouz

“…Also, in these conditions, a lower browning rate (14.48%), a lower 5-hydroxymethylfurfural content (12.40 mg/100 g DW), and a higher level of polyphenols (135.79±13.17 mg GAE/100 g DW) and flavonoid content (57.81±3.08 mg Qeq/100 g DW) have been recorded while meeting international standards for SO2 content and microbial quality.…”
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Development and Validation of Analytical Procedure for Elemental Impurities in Rosuvastatin Calcium Tablets by ICP-MS and Microwave Digestion by Yajie Hao, Guang Yin, Xuemei Wang, Juan Fu, Qihui Cao, Qinyong Sun, Guimin Zhang, Zhong Feng

“…The measurement mode was collision cell mode with kinetic energy discrimination (KED). 209Bi+, 115In+, and 89Y+ were chosen as internal standard elements. The recoveries of the limit of quantitation (LOQ) ranged from 90.5% to 106.4%, concentrations of the abovementioned elements in LOQ were 0.25 µg·L−1, 0.25 µg·L−1, 0.75 µg·L−1, 1.5 µg·L−1, 2.5 µg·L−1, 5 µg·L−1, and 8 µg·L−1 , respectively, linear correlation coefficients were above 0.9997, the recoveries in accuracy item ranged from 91.8% to 103.6%, and relative standard deviations (RSDs) of recovery in precision were not more than 1.8%, reflecting a reliable method of high sensitivity, strong anti-interference capacity, and good precision, and that it was suitable for the determination of elemental impurities in drugs.…”
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Diagnosis and Treatment of Low Anterior Resection Syndrome by Masaaki Miyo, Emi Akizuki, Koichi Okuya, Ai Noda, Masayuki Ishii, Ryo Miura, Momoko Ichihara, Maho Toyota, Kohei Okamoto, Tatsuya Ito, Yuji Akiyama, Ichiro Takemasa

“…., which is a patient-reported outcome measure to evaluate the severity of bowel dysfunction following rectal surgery by scoring the major symptoms of LARS, facilitates the diagnosis and assessment of LARS and enables international comparison and validation through the use of validated scores generated according to the international standards. Based on comparisons with other evaluation instruments, the use of the LARS score is strongly recommended internationally for LARS screening in patients following rectal resection. …”
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Validation of Colchicine Assay Method for Therapeutic Drug Monitoring in Human Plasma by Fadime Canbolat

“…In our study, to 1ml plasma sample, 0.25 ml internal standard solution was added. The solution was extracted by liquid-liquid extraction (LLE). …”
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Optimization of the suspension procedure by Box-Behnken design for the determination of manganese, iron, and zinc in zeolite clinoptilolite with the TXRF system and insight into it... by Jablan Jasna, Štefan Maja Bival, Paler Dario, Kamenski Emma

“…Based on the results obtained, sample suspensions were prepared by weighing 10 mg of the sample and adding 1 mL of 5 % Triton X-100 with 10 mL Ga as internal standard and deposition volume was set at 10 mL. …”
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Production and characterization of biodiesel from Argemone mexicana seed oil by Melese Damtew Asfaw, Adamu Tizazu Yadeta, Betelihem Gessese Yewalie, Yosef Wondossen Negash

“…Overall, the results suggest that A. mexicana oil is a viable and sustainable feedstock for biodiesel production, with fuel properties that meet international standards for biodiesel use.…”
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The Effect of Solar Panels and Vegetation Strategy on the Sustainability of Open Spaces by Kareem Hajer Kamel, Mohammed Younis Mahmoud

“…The results revealed a decrease in (PET) by (8.32) degrees Celsius, which achieved international standards for outdoor pedestrian comfort. As well as shading areas less exposed to sunlight with trees, in addition to providing shade to protect cars from weather factors, and finally providing electricity to homes.…”
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Key Success Factors for Export Structure Optimization in East Asian Countries Through Global Value Chain (GVC) Reorganization by Rongyu Pei, Zhenqing Su

“…Policies that enhance market access, promote international standards, and support investments in digital platforms demonstrate strong influence within the GVC system. …”
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Police identification of the causes and characteristics of domestic violence against children by A. O. Sukhareva, B. V. Nechitaylo

“…It is stated that in accordance with international standards and world practice, the interview of a child who is a victim of violent crimes, domestic violence or witnessed violence should be conducted in a child-friendly atmosphere, where they feel protected and comfortable. …”
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Age of detection of congenital hearing loss in South Africa: A systematic review by Mukovhe Phanguphangu, Khomotjo Kgare, Andrew J. Ross

“…Conclusion: These findings show that congenital or early-onset HL in SA is identified later than the national and international standards, that is, 1 month of age. These findings are important for future research, priority setting and implementation of strategies to reduce the burden and impact of HL. …”
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Honeys from the Argentine Phytogeographic Provinces Chaqueña and Monte in Catamarca and La Rioja by Aimará Ayelen Poliero, Inés Aubone, Marisa Amadei Enghelmayer, Valeria Soledad Rosso, Sandra Rosa Fuselli, Rosa Maria Alonso-Salces

“…Honeys were authentic and traceable, and complied with the specifications of national and/or international standards, verifying their blossom origin, high quality, good maturity and freshness. …”
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Determination of Scopolamine Distribution in Plasma and Brain by LC-MS/MS in Rats by Juan Chen, Anjing Lu, Daopeng Tan, Qianru Zhang, Yanliu Lu, Lin Qin, Yuqi He

“…Gradient elution of scopolamine and internal standard was performed on a ZORBAX Eclipse Plus C18 (2.1∗100 mm, 3.5 μm) column with water containing 0.1% formic acid (v/v) and acetonitrile as a mobile phase. …”
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Simultaneous Determination of 34 Amino Acids in Tumor Tissues from Colorectal Cancer Patients Based on the Targeted UHPLC-MS/MS Method by Yang Yang, Feng Zhang, Shouhong Gao, Zhipeng Wang, Mingming Li, Hua Wei, Renqian Zhong, Wansheng Chen

“…The average recovery and matrix effect for 34 amino acids and 3 internal standards were 39.00%∼146.95% and 49.45%∼173.63%, respectively. …”
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High Throughput Quantitative Bioanalytical LC/MS/MS Determination of Gemifloxacin in Human Urine by Adnan A. Kadi, Rihab F. Angawi, Mohamed W. Attwa, Hany W. Darwish, Ali Saber Abdelhameed

“…Gemifloxacin and ofloxacin (internal standard) were rapidly extracted from urine samples without any tedious pretreatment procedure. …”
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Determination of the market value for goods in the process of forensic commodity expertise by L. A. Solonichenko, D. Yu. Sereda

“…It is also noted that the integration of international experience will help to improve the efficiency of forensic commodity expertise in Ukraine and ensure that expert activity complies with international standards. Finally, the study provides proposals for improving the regulatory framework for expert activity and introducing innovative technologies, which allows solving current problems of market valuation under martial law.…”
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Application of a Stability-Indicating HPTLC Method for Simultaneous Quantitative Determination of Olmesartan Medoxomil and Hydrochlorothiazide in Pharmaceutical Dosage Forms by Kaliappan Ilango, Pushpangadhan S. Shiji Kumar

“…The method used amlodipine as internal standard (IS). Chromatographic separations were achieved on silica gel 60 F254 plates using toluene-methanol-ethyl acetate-acetone (2.5 : 1 : 0.5 : 2, v/v/v/v) as mobile phase. …”
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Assessment of Noise Levels of Equipment Used in the Practical Dental Teaching Activities by Meriem Amine, Zineb Aljalil, Asmaa Redwane, Ikram Delfag, Imane Lahby, Anas Bennani

“…These results are below the thresholds of the legislation and international standards. However, we have recorded punctual peaks that exceed the recommended level, requiring the introduction of the means of prevention and the measures of safety against the noise as well at the level of the practical activity classroom and the realization of more in-depth studies concerning the evaluation of the daily exposure of the professors, students, and teaching staff to noise.…”
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Pancasila in the Context of Indonesian Legal Reform: A Critical Evaluation and International Debate by Elfrida Herawati Siregar, Cahyo Budi Utomo, Muh Sholeh

“…The urgency of this research stems from growing critiques of Indonesia’s legal alignment with international standards while preserving its ideological roots. …”
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Legal Regulation of Interaction of Security Service of Ukraine with Civil Society in Counteracting Terrorism by A. Yu. Helzhynskyi

“…In general, Ukraine's anti-terrorist system meets international standards in the field of counteracting terrorism. …”
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