A Modified o-Phthalaldehyde Fluorometric Analytical Method for Ultratrace Ammonium in Natural Waters Using EDTA-NaOH as Buffer by Hongzhi Hu, Ying Liang, Shuo Li, Qing Guo, Chancui Wu

“…Experimental parameters, including reagent concentration, pH, reaction time, and effect of EDTA, were optimized throughout the experiments based on univariate experimental design. …”
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Altered Thyroid Function Tests Observed in Hypophosphatasia Patients Treated with Asfotase Alfa by Hajime Kato, Naoko Hidaka, Minae Koga, Yuka Kinoshita, Masaomi Nangaku, Noriko Makita, Nobuaki Ito

“…However, asfotase alfa may be absorbed on the magnetic beads used in the AIA reagent with the AIA-2000 system but not absorbed on the microparticles used in AIA-CL2400. …”
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Ecofriendly colorimetric set-up coupled with mathematical filtration strategy for simultaneous determination of ipratropium and fenoterol in their novel anti-asthmatic metered dose... by Salma N. Ali, Hoda M. Marzouk, Ahmed S. Fayed, Samah S. Saad

“…The developed method is based on the properly optimized reaction of drugs under study with the charge transfer reagent 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ), resulting in orange-colored complexes measured at 464.3 and 514.0 nm for IPR and FEN, respectively. …”
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Effects of radiation and manganese oxide nanoparticles on human glioblastoma cell line U-87 MG glycolysis by N. B. Illarionova, D. V. Petrovski, I. A. Razumov, E. L. Zavyalov

“…Cell viability was determined using the ViaCount reagent staining of living and dead cells. Their count was performed using flow cytometry. …”
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Adaptation of Color Reactions for Spectrophotometric Determination of Pitavastatin Calcium in Bulk Drugs and in Pharmaceutical Formulations by Marothu Vamsi Krishna, Dannana Gowri Sankar

“…The colored complex formed was measured at 510, 530 and 755 nm for method A, B and C respectively against the reagent blank prepared in the same manner. The optimum experimental parameters for the color production are selected. …”
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Microplastic and human health with focus on pediatric well-being: a comprehensive review and call for future studies by Rogers Wainkwa Chia, Ntegang Venant Atem, Jin-Yong Lee, Jihye Cha

“…The samples were then treated with Fenton's reagent, stored in glass jars, and filtered through nonplastic filters. …”
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Rapid Screening for Flavone C-Glycosides in the Leaves of Different Species of Bamboo and Simultaneous Quantitation of Four Marker Compounds by HPLC-UV/DAD by Jin Wang, Yong-de Yue, Hao Jiang, Feng Tang

“…Firstly, the flavone C-glycosides were extracted from the bamboo leaves (51 species in 17 genera) with methanol and chromatographed on silica gel 60 plates in automatic developing chamber (ADC2), and a qualitative survey using simple derivatization steps with the NP reagent was carried out. The flavone C-glycosides were found in 40 of 51 species of bamboo examined. …”
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Defect Study of MgO-CaO Material Doped with CeO2 by Han Zhang, Huizhong Zhao, Jinfeng Chen, Jingjie Li, Jun Yu, Jianhua Nie

“…MgO-CaO refractories were prepared using analytical reagent chemicals of Ca(OH)2 and Mg(OH)2 as starting materials and CeO2 as dopant, then sintered at 1650°C for 3 h. …”
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Experimental study on optimization of chemical oxygen demand reduction through advanced oxidation process for refinery-based oily sludge in Barmer Rajasthan, India by Rizwan Ul Haq, Hajari Singh, Mahendra Pratap Choudhary

“…The research identifies diminishing returns at higher reagent concentrations, emphasizing the importance of parameter optimization to balance efficacy and cost. …”
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Sustainable Development of Corrosion Inhibitors from Electronic Scrap: Synthesis and Electrochemical Performance by J. Porcayo-Calderon, J.J. Ramos-Hernandez, E. Porcayo-Palafox, L.M. Martínez de la Escalera, J. Canto, J.G. Gonzalez-Rodriguez, L. Martinez-Gomez

“…Its performance as a corrosion inhibitor is superior to that of high purity Nd chloride (analytical reagent). The results show that the use of electronic scrap is a sustainable source for the synthesis of green corrosion inhibitors with low carbon footprint.…”
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New Urea and Thiourea Derivatives of Piperazine Doped with Febuxostat: Synthesis and Evaluation of Anti-TMV and Antimicrobial Activities by Reddivari Chenna Krishna Reddy, Syed Rasheed, Devineni Subba Rao, Shaik Adam, Yellala Venkata Rami Reddy, Chamarthi Naga Raju

“…Compound 4 was synthesized in high yields (94%) by the condensation reaction of febuxostat (1) with piperazine using a selective reagent such as propylphosphonic anhydride (T3P). …”
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Effect mechanism of H3PO4 on the formation and transformation of persistent free radicals in biochar by Yajie Gao, Yuan Gao, Aimin Li

“…However, as a common biochar modification reagent, phosphoric acid (H3PO4) has not been studied in the field of PFRs regulation. …”
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Optimizing Recycling Processes for Mixed LFP/NMC Lithium-Ion Batteries: A Comparative Study of Acid-Excess and Acid-Deficient Leaching by Pierric Hubert, Angelina Noclain, Safi Jradi, Alexandre Chagnes

“…Acid-deficient leaching with a 60% recirculation of leaching residue improved dissolution yields by up to 12.5%, reduced reagent consumption, and minimized operational complexity. …”
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Design and Application of Rapid Dewatering for Tailings Containing Sodium Silicate: Laboratory and Industrial Test Results by Guoquan Sun, Keping Zhou, Qian Kang, Daolin Wang, Chongchun Xiao

“…Focusing on the tailings containing high sodium silicate (water glass), this study conducted laboratory experiments and semi-industrial tests of flocculation and sedimentation for rapid tailings dewatering. Various reagent combinations, lime and anionic flocculant (APAM) (L&A), sulfuric acid and APAM (S&A), and calcium chloride and APAM (C&A), were tested. …”
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Hall and Thermo‐Diffusion Effects on Chemically Reactive MHD Unsteady Brinkman‐Type Dissipative Flow of EO‐Based MoS2 Nanofluid From a Rotating Plate in Porous Medium by B. Prabhakar Reddy, Jumanne Mng'ang'a, M. Paul Matao

“…The concentration field repressed by the chemical reaction reagent. Heat transfer rate enhanced at the surface by increasing viscous dissipation and volume fraction but it is lessened with radiation and heat‐consumption. …”
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The Effect of Variation in Solvent Concentration on Caffeine Content in Green Arabica Coffee Bean Extract (Coffea arabica) using UV-Vis Spectrophotometry by Nanda Tsalasani Zulfaidah, Endah Kurniawati, Gita Herdittya Putri, Fitria Widiani

“…Qualitative tests were carried out using the Parry reagent color test showing positive results with a change in color to green. …”
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Comparative Analysis of the Antioxidant and Antidiabetic Potential of Nelumbo nucifera Gaertn. and Nymphaea lotus L. var. pubescens (Willd.) by Tamlal Pokhrel, Dipesh Shrestha, Kamal Dhakal, Paras Mani Yadav, Achyut Adhikari

“…Likewise, Folin–Ciocalteu reagent was used for determining total phenolic content. …”
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Effect of different physical factors on the synthesis of spherical gold nanoparticles towards cost‐effective biomedical applications by Zahra Bahmanyar, Fatemeh Mohammadi, Ahmad Gholami, Mehdi Khoshneviszadeh

“…For this purpose, various experiments of citrate‐capped spherical AuNPs synthesis were designed to study the roles of a wide range of initial pH values and temperature of reaction, Na3Cit/HAuCl4 molar ratio, and two order reagent additions, method I and method II, in the final characterisations and reaction efficacy. …”
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Analysis of Phenolic and Flavonoid Content, α-Amylase Inhibitory and Free Radical Scavenging Activities of Some Medicinal Plants by Lalit Kala Pandey, Khaga Raj Sharma

“…The phytochemicals of the plant extracts were analysed by colour differentiation methods using different analytical reagents. The phenolic content was estimated by using Folin–Ciocalteu’s phenol reagent and the flavonoid was estimated by the aluminium chloride colorimetric method. …”
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A Comparative Study on Ascorbic Acid Concentration, Total Phenol, and Flavonoid Content in Citrus Species Grown in a Different Region of Western Nepal by Roshani Gurung, Sabina Baral, Santosh Parajuli, Dhana Dhami, Sushila Ghimire

“…Ascorbic acid was estimated using titration with dichlorophenolindophenol dye, and total phenol was estimated using Folin reagent; whereas, flavonoid content was determined by aluminum chloride colorimetric assay. …”
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