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Jiang H, Zhang Q, Li N, Li Z, Chen L, Yang F, Zhao S, Liu X. All-in-one strategy for the nano-engineering of paper-based bifunctional fluorescent platform for robustly-integrated real-time monitoring of food and drinking-water safety. JOURNAL OF HAZARDOUS MATERIALS 2024; 467:133735. [PMID: 38335620 DOI: 10.1016/j.jhazmat.2024.133735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/03/2024] [Accepted: 02/04/2024] [Indexed: 02/12/2024]
Abstract
Cu2+ contamination and food spoilage raise food and drinking water safety issues, posing a serious threat to human health. Besides, Cu2+ and H2S levels indicate excess Cu2+-caused diseases and protein-containing food spoilage. Herein, a coumarin-containing bifunctional paper-based fluorescent platform integrated with a straightforward smartphone color recognition app is developed by an all-in-one strategy. The proposed fluorescent materials can simultaneously detect Cu2+ and H2S for on-demand food and drinking water safety monitoring at home. Specifically, a coumarin-derived fluorescence sensor (referred to as CMIA) with a low detection limit (0.430 μM) and high-selectivity/-sensitivity for Cu2+ is synthesized through a simple one-step route and then loaded onto commercially used cellulose fiber filter paper to engineer a biomass-based fluorescent material (CMIA-FP). The CMIA-FP offers user-friendly, high-precision, fast-responsive, and real-time visual monitoring of Cu2+. Moreover, CMIA forms a chemically stable complex with Cu2+, loaded onto filter paper to prepare another biomass-based fluorescent platform (CMIA-CU-FP) for visual real-time monitoring of H2S. Based on the exquisite composition design, the proposed dual-function paper-based fluorescent materials equipped with a smartphone color recognition program concurrently realize fast, accurate, and easy real-time monitoring of Cu2+ in drinking water and H2S in chicken breast-/shrimp-spoilage, demonstrating an effective detection strategy for the Cu2+ and H2S monitoring and presenting the new type of biomass-based platforms for concentrated reflection of drinking water and food safety.
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Affiliation(s)
- Huie Jiang
- Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science and Technology, Xi'an 710021, China; College of Bioresources Chemistry and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an 710021, China; Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science & Technology, Xi'an 710021, China.
| | - Qian Zhang
- Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Nihao Li
- Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Zhijian Li
- Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science and Technology, Xi'an 710021, China; Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Lijuan Chen
- Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Fengqian Yang
- Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Suqiu Zhao
- Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Xinhua Liu
- College of Bioresources Chemistry and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an 710021, China; Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science & Technology, Xi'an 710021, China.
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Scott BS, Zhang K, Yehl PM, Yang SH. A strategic approach towards mass balance investigations in pharmaceutical drug substance release testing: A peculiar out of specification case study encountered during API manufacture. J Pharm Biomed Anal 2024; 238:115773. [PMID: 37866077 DOI: 10.1016/j.jpba.2023.115773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 10/05/2023] [Accepted: 10/07/2023] [Indexed: 10/24/2023]
Abstract
Mass balance in drug substances release testing is a critical quality attribute in pharmaceutical manufacturing that continues to challenge modern analytical characterization. This specific perspective of mass balance is lacking in literature, and the following work addresses the knowledge gap related to this topic by examining an in-depth case study and detailing the systematic investigation into mass imbalance observed during release testing of a small molecule API. The process followed a logical stepwise progression beginning with most probable causes and expanded to more obscure causes that require a deeper examination of the API in question until the undetected impurity in question was finally identified. The discovered impurity was eventually found to be formed from a unique side reaction that led to the formation of API-related oligomer impurities, which had eluded conventional small molecule release testing strategies. Ultimately, the characterization gap was traced back to deficiency in the LC results of the developed API purity methods. More importantly, this gap provides an ideal opportunity to highlight common oversights and pitfalls encountered in early phase pharmaceutical development especially as it relates to the method development of truly representative chromatography methods in the API characterization. The work reflects on the key lessons learned from the highlighted pitfalls that were encountered in this case study and offers strategic insights to guide and to improve the development workflow for drug substance characterization strategies.
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Affiliation(s)
- Brandon S Scott
- Research and Early Development, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Kelly Zhang
- Research and Early Development, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Peter M Yehl
- Research and Early Development, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Samuel H Yang
- Research and Early Development, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA.
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Zhong JS, Huang Y, Wan JZ, Yu XY, Yu AL, Zeng HX, Chen ZY, Zhou XR, Ding M. Chromatographic studies of unusual on-column degradation of cefaclor observed in the impurity separation by HPLC. J Pharm Biomed Anal 2019; 176:112818. [PMID: 31446297 DOI: 10.1016/j.jpba.2019.112818] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 08/16/2019] [Accepted: 08/17/2019] [Indexed: 11/18/2022]
Abstract
An unpredictable ghost peak was intermittently observed during the impurity separation of cefaclor and formulation by high performance liquid chromatography (HPLC) with a content from below the reported threshold to approximately 0.3% in different laboratories. Through a series of investigations, the ghost peak was identified as an unusual on-column degradant of cefaclor formed under elevated column temperature but was not an actual sample impurity. The chemical structure of the degradant was determined by spectroscopic methods, including high resolution mass spectrometry (HRMS) and 1H-NMR. Consequently, the unknown peak was identified as a C-4 oxidative decarboxylation analog of cefaclor. The formation mechanism of the analog is proposed, and it is suggested that elevated column temperature during HPLC analysis has a profound effect on the degradation. Dissolved oxygen in the mobile phase may promote the formation of the ghost peak. The degradation can be suppressed by using a column temperature below 30 °C. Moreover, several other prevention measures are suggested based upon the results of the investigation.
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Affiliation(s)
- Jia-Sheng Zhong
- Research and Development Center, Sinopharm Zhijun (Shenzhen) Pharmaceutical Co., Ltd., Shenzhen 518110, PR China
| | - Yan Huang
- Research and Development Center, Sinopharm Zhijun (Shenzhen) Pharmaceutical Co., Ltd., Shenzhen 518110, PR China
| | - Jin-Zhi Wan
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, PR China
| | - Xiao-Yang Yu
- Research and Development Center, Sinopharm Zhijun (Shenzhen) Pharmaceutical Co., Ltd., Shenzhen 518110, PR China
| | - Ai-Ling Yu
- Research and Development Center, Sinopharm Zhijun (Shenzhen) Pharmaceutical Co., Ltd., Shenzhen 518110, PR China
| | - Huan-Xiang Zeng
- Research and Development Center, Sinopharm Zhijun (Shenzhen) Pharmaceutical Co., Ltd., Shenzhen 518110, PR China
| | - Zhen-Yang Chen
- Research and Development Center, Sinopharm Zhijun (Shenzhen) Pharmaceutical Co., Ltd., Shenzhen 518110, PR China
| | - Xiang-Rong Zhou
- Research and Development Center, Sinopharm Zhijun (Shenzhen) Pharmaceutical Co., Ltd., Shenzhen 518110, PR China.
| | - Mei Ding
- Research and Development Center, Sinopharm Zhijun (Shenzhen) Pharmaceutical Co., Ltd., Shenzhen 518110, PR China.
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Baertschi SW, Maxwell-Backer L, Clemens M, Smitka TA, Draper JR, Taylor KW, Kaerner A, Jansen PJ. The Degradation Chemistry of Prasugrel Hydrochloride: Part 1—Drug Substance. J Pharm Sci 2019; 108:2842-2857. [DOI: 10.1016/j.xphs.2019.04.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 02/28/2019] [Accepted: 04/04/2019] [Indexed: 01/09/2023]
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Jo J, Tu Q, Xiang R, Li G, Zou L, Maloney KM, Ren H, Newman JA, Gong X, Bu X. Metal Speciation in Pharmaceutical Process Development: Case Studies and Process/Analytical Challenges for a Palladium-Catalyzed Cross-Coupling Reaction. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00638] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Zhuang T, Zhang W, Cao L, He K, Wang Y, Li J, Chen L, Liu B, Zhang G. Isolation, identification and characterization of two novel process-related impurities in olanzapine. J Pharm Biomed Anal 2018; 152:188-196. [DOI: 10.1016/j.jpba.2018.01.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 12/26/2017] [Accepted: 01/15/2018] [Indexed: 10/18/2022]
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D'Addio SM, Bothe JR, Neri C, Walsh PL, Zhang J, Pierson E, Mao Y, Gindy M, Leone A, Templeton AC. New and Evolving Techniques for the Characterization of Peptide Therapeutics. J Pharm Sci 2016; 105:2989-3006. [DOI: 10.1016/j.xphs.2016.06.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 06/06/2016] [Accepted: 06/17/2016] [Indexed: 01/31/2023]
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