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Wegner CH, Hubbuch J. Calibration-free PAT: Locating selective crystallization or precipitation sweet spot in screenings with multi-way PARAFAC models. Front Bioeng Biotechnol 2022; 10:1051129. [PMID: 36588941 PMCID: PMC9797130 DOI: 10.3389/fbioe.2022.1051129] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/30/2022] [Indexed: 12/15/2022] Open
Abstract
When developping selective crystallization or precipitation processes, biopharmaceutical modalities require empirical screenings and analytics tailored to the specific needs of the target molecule. The multi-way chemometric approach called parallel factor analysis (PARAFAC) coupled with ultraviolet visible light (UV/Vis) spectroscopy is able to predict specific concentrations and spectra from highly structured data sets without the need for calibration samples and reference analytics. These calculated models can provide exploratory information on pure species spectra and concentrations in all analyzed samples by representing one model component with one species. In this work, protein mixtures, monoclonal antibodies, and virus-like particles in chemically defined and complex solutions were investigated in three high-throughput crystallization or precipitation screenings with the aim to construct one PARAFAC model per case. Spectroscopic data sets of samples after the selective crystallization or precipitation, washing, and redissolution were recorded and arranged into a four-dimensional data set per case study. Different reference analytics and pure species spectra served as validation. Appropriate spectral preprocessing parameters were found for all case studies allowing even the application of this approach to the third case study in which quantitative concentration analytics are missing. Regardless of the modality or the number of species present in complex solutions, all models were able to estimate the specific concentration and find the optimal process condition regarding yield and product purity. It was shown that in complex solutions, species demonstrating similar phase behavior can be clustered as one component and described in the model. PARAFAC as a calibration-free approach coupled with UV/Vis spectroscopy provides a fast overview of species present in complex solution and of their concentration during selective crystallization or precipitation, washing, and redissolution.
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Dąbrowska M, Komsta Ł, Opoka W, Starek M. Chemometric analysis of chromatographic data in stability investigation of cephalosporins. ACTA CHROMATOGR 2018. [DOI: 10.1556/1326.2017.00341] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- M. Dąbrowska
- Department of Inorganic and Analytical Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St, 30-688 Krakow, Poland
| | - Ł. Komsta
- Department of Medicinal Chemistry, Medical University of Lublin, 4 Jaczewskiego St, 20-090 Lublin, Poland
| | - W. Opoka
- Department of Inorganic and Analytical Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St, 30-688 Krakow, Poland
| | - M. Starek
- Department of Inorganic and Analytical Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St, 30-688 Krakow, Poland
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Kim HS, Eom MS, Han MS, Lee S. Paper-Based Colorimetric Sensor System for High-Throughput Screening of C−H Borylation. Chemistry 2017; 23:6282-6285. [DOI: 10.1002/chem.201701256] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Han-Sung Kim
- Department of Chemistry; Chonnam National University; Gwangju 61186 Republic of Korea
| | - Min Sik Eom
- Department of Chemistry; Gwangju Institute of Science and Technology (GIST); Gwangju 61005 Republic of Korea
| | - Min Su Han
- Department of Chemistry; Gwangju Institute of Science and Technology (GIST); Gwangju 61005 Republic of Korea
| | - Sunwoo Lee
- Department of Chemistry; Chonnam National University; Gwangju 61186 Republic of Korea
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Tse NMK, Kennedy DF, Moffat BA, Kirby N, Caruso RA, Drummond CJ. High-throughput preparation of hexagonally ordered mesoporous silica and gadolinosilicate nanoparticles for use as MRI contrast agents. ACS COMBINATORIAL SCIENCE 2012; 14:443-50. [PMID: 22676496 DOI: 10.1021/co300035q] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The development of biomedical nanoparticulate materials for use in diagnostics is a delicate balance between performance, particle size, shape, and stability. To identify materials that satisfy all of the criteria it is useful to employ automated high-throughput (HT) techniques for the study of these materials. The structure and performance of surfactant templated mesoporous silica is very sensitive to a wide number of variables. Variables, such as the concentration of the structure-directing agent, the cosolvent and dopant ions and also the temperature and concentration of quenching all have an influence on the structure, surface chemistry, and therefore, the performance of the mesoporous silica nanoparticles generated. Using an automated robotic synthetic platform, a technique has been developed for the high-throughput preparation of mesoporous silica and gadolinium-doped silicate (gadoliniosilicate) nanoparticulate MRI contrast agents. Twelve identical repeats of both the mesoporous silica and gadolinosilicate were synthesized to investigate the reproducibility of the HT technique. Very good reproducibility in the production of the mesoporous silica and the gadolinosilcate materials was obtained using the developed method. The performance of the gadolinosilicate materials was comparable as a T(1) agent to the commercial MRI contrast agents. This HT methodology is highly reproducible and an effective tool that can be translated to the discovery of any sol-gel derived nanomaterial.
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Affiliation(s)
- Nicholas M. K. Tse
- CSIRO Materials Science and Engineering, Bag 10, Clayton, Victoria 3169,
Australia
- PFPC, School
of Chemistry, The University of Melbourne, Melbourne, Victoria 3010,
Australia
| | - Danielle F. Kennedy
- CSIRO Materials Science and Engineering, Bag 10, Clayton, Victoria 3169,
Australia
| | - Bradford A. Moffat
- The University of Melbourne, Department of Radiology, Parkville, 3050,
Australia
| | - Nigel Kirby
- Australian Synchrotron, 800 Blackburn Rd, Clayton,
Victoria 3168, Australia
| | - Rachel A. Caruso
- CSIRO Materials Science and Engineering, Bag 10, Clayton, Victoria 3169,
Australia
- PFPC, School
of Chemistry, The University of Melbourne, Melbourne, Victoria 3010,
Australia
| | - Calum J. Drummond
- CSIRO Materials Science and Engineering, Bag 10, Clayton, Victoria 3169,
Australia
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Sakai K, Kochi T, Kakiuchi F. Rhodium-Catalyzed anti-Markovnikov Addition of Secondary Amines to Arylacetylenes at Room Temperature. Org Lett 2011; 13:3928-31. [DOI: 10.1021/ol201453h] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kazunori Sakai
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Takuya Kochi
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Fumitoshi Kakiuchi
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
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Microwave-assisted synthesis of indole- and azaindole-derivatives in water via cycloisomerization of 2-alkynylanilines and alkynylpyridinamines promoted by amines or catalytic amounts of neutral or basic salts. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.06.083] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Hesp KD, Tobisch S, Stradiotto M. [Ir(COD)Cl]2 as a Catalyst Precursor for the Intramolecular Hydroamination of Unactivated Alkenes with Primary Amines and Secondary Alkyl- or Arylamines: A Combined Catalytic, Mechanistic, and Computational Investigation. J Am Chem Soc 2009; 132:413-26. [DOI: 10.1021/ja908316n] [Citation(s) in RCA: 134] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kevin D. Hesp
- Department of Chemistry, Dalhousie University, Halifax, Nova Scotia B3H 4J3, Canada, and School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, United Kingdom
| | - Sven Tobisch
- Department of Chemistry, Dalhousie University, Halifax, Nova Scotia B3H 4J3, Canada, and School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, United Kingdom
| | - Mark Stradiotto
- Department of Chemistry, Dalhousie University, Halifax, Nova Scotia B3H 4J3, Canada, and School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, United Kingdom
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Carpita A, Ribecai A. Microwave-assisted synthesis of indole-derivatives via cycloisomerization of 2-alkynylanilines in water without added catalysts, acids, or bases. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.09.135] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Hesp KD, Stradiotto M. Intramolecular Hydroamination of Unactivated Alkenes with Secondary Alkyl- and Arylamines Employing [Ir(COD)Cl]2 as a Catalyst Precursor. Org Lett 2009; 11:1449-52. [DOI: 10.1021/ol900174f] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kevin D. Hesp
- Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J3
| | - Mark Stradiotto
- Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J3
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Ni Y, Du S, Kokot S. Molecular spectroscopy and chemometrics: an analytical study of synergistic effects of drugs—interaction between fluoroquinolones and DNA. Analyst 2009; 134:1840-7. [DOI: 10.1039/b904018h] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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13
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Kennedy DF, Messerle BA, Rumble SL. Application of UV-Vis spectroscopy to high throughput screening of hydroamination catalysts. NEW J CHEM 2009. [DOI: 10.1039/b820357c] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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