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Pruksapha P, Khongkaew P, Suwanvecho C, Nuchtavorn N, Phechkrajang C, Suntornsuk L. Chemometrics-assisted spectroscopic methods for rapid analysis of combined anti-malarial tablets. J Food Drug Anal 2023; 31:338-357. [PMID: 37335160 DOI: 10.38212/2224-6614.3449] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 11/16/2022] [Indexed: 06/21/2023] Open
Abstract
Combination of piperaquine (PQ) (320mg) and dihydroartemisinin (DHA) (40 mg) is an anti-malarial formulation, which is recommended by World Health Organization (WHO). Simultaneous analysis of PQ and DHA can be problematic due to the lack of chromophores or fluorophores in DHA molecule. Whereas PQ possesses strong UV absorption and it presents in 8 times of DHA contents in the formulation. In this study, two spectroscopic methods, Fourier transform infrared (FTIR) and Raman spectroscopy, were developed for the determination of both drugs in combined tablets. The FTIR and Raman spectra were recorded in the attenuate total reflectance (ATR) and scattering modes, respectively. The original and pretreated spectra from FTIR and handheld-Raman were subjected to Unscrambler® program to construct partial least squares regression (PLSR) model comparing with references values obtained from high performance liquid chromatography (HPLC)-UV method. The optimal PLSR models of PQ and DHA from FTIR spectroscopy were obtained from orthogonal signal correction (OSC) pretreatment at the wavenumbers 400-1,800 cm-1 and 1,400-4,000 cm-1, respectively. For Raman spectroscopy of PQ and DHA, the optimal PLSR models were obtained from standard normal variate (SNV) pretreatment at the wavenumbers 1,200-2,300 cm-1 and OSC pretreatment at the wavenumber 400-2,300 cm-1, respectively. Determination of PQ and DHA in tablets from the optimum model was compared with HPLC-UV method. Results were not significantly different at 95% confidence limit (p-value >0.05). The chemometrics-assisted spectroscopic methods were fast (1-3 min), economical and less labor intensive. Moreover, the handheld Raman spectrometer is portable and can be utilized for onsite analysis to facilitate the detection of counterfeit or substandard drugs at ports of entry.
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Affiliation(s)
- Panawan Pruksapha
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
- The Government of Pharmaceutical Organization (GPO), Bangkok, Thailand
| | - Putthiporn Khongkaew
- Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Science, Burapha University, Chonburi, Thailand
| | - Chaweewan Suwanvecho
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Nantana Nuchtavorn
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Chutima Phechkrajang
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Leena Suntornsuk
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
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Cruz J, Khongkaew P, Bertotto JP, Cárdenas V, Alcalà M, Nuchtavorn N, Rojsanga P, Suwanvecho C, Phechkrajang C. Portable near-infrared and Raman spectroscopic devices as complementary tools for instantaneous quality control of turmeric powder. Phytochem Anal 2023. [PMID: 37139918 DOI: 10.1002/pca.3231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/18/2023] [Accepted: 04/18/2023] [Indexed: 05/05/2023]
Abstract
INTRODUCTION Process analytical technology (PAT) guidance is implemented in the quality assurance of phytocompounds to achieve the Industry 4.0 concept. Near-infrared (NIR) and Raman spectroscopies are feasible for rapid, reliable quantitative analysis through transparent packaging without removing the samples from their original containers. These instruments can serve PAT guidance. OBJECTIVE This study aimed to develop online portable NIR and Raman spectroscopic methods for quantifying total curcuminoids in turmeric samples through a plastic bag. The method mimicked an in-line measurement mode in PAT compared with placing samples into a glass vessel (at-line mode). MATERIALS AND METHODS Sixty-three curcuminoid standard-spiked samples were prepared. Then, 15 samples were randomly selected as fixed validation samples, and 40 of the 48 remaining samples were chosen as calibration set. The results obtained from the partial least square regression (PLSR) models constructed by using the spectra acquired from NIR and Raman were compared with the reference values from high-performance liquid chromatography (HPLC). RESULTS The optimum PLSR model of at-line Raman was achieved with three latent variables and a root mean square error of prediction (RMSEP) of 0.46. Meanwhile, the PLSR model of at-line NIR with one latent variable offered an RMSEP of 0.43. For the in-line mode, PLSR models created from Raman and NIR spectra had one latent variable with RMSEP of 0.49 and 0.42, respectively. The R2 values for prediction were 0.88-0.92. CONCLUSION The models established from the spectra from portable NIR and Raman spectroscopic devices with the appropriate spectral pretreatments allowed the determination of total curcuminoid contents through plastic bag.
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Affiliation(s)
- Jordi Cruz
- EUSS School of Engineering, Barcelona, Spain
| | - Putthiporn Khongkaew
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
- Faculty of Pharmaceutical Science, Burapha University, Chonburi, Thailand
| | - Judit Puig Bertotto
- Analytical Chemistry Unit, Department of Chemistry, The Autonomous University of Barcelona, Barcelona, Spain
| | | | - Manel Alcalà
- Analytical Chemistry Unit, Department of Chemistry, The Autonomous University of Barcelona, Barcelona, Spain
| | - Nantana Nuchtavorn
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Piyanuch Rojsanga
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Chaweewan Suwanvecho
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Chutima Phechkrajang
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
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Moe Htet TT, Cruz J, Khongkaew P, Suwanvecho C, Suntornsuk L, Nuchtavorn N, Limwikrant W, Phechkrajang C. PLS-regression-model-assisted raman spectroscopy for vegetable oil classification and non-destructive analysis of alpha-tocopherol contents of vegetable oils. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2021.104119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Jarusintanakorn S, Phechkrajang C, Khongkaew P, Mastrobattista E, Yamabhai M. Determination of Chinese hamster ovary (CHO) cell densities and antibody titers from small volumes of cell culture supernatants using multivariate analysis and partial least squares regression of UV-Vis spectra. Anal Bioanal Chem 2021; 413:5743-5753. [PMID: 34476523 PMCID: PMC8437849 DOI: 10.1007/s00216-021-03549-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/25/2021] [Accepted: 07/13/2021] [Indexed: 12/22/2022]
Abstract
Antibody titer and viable cell density (VCD) are two important parameters that need to be closely monitored during the process of cell line development and manufacturing of therapeutic antibodies. Typically, determination of each parameter requires 10–100 μL of supernatant sample, which is not suitable for small scale cultivation. In this study, we demonstrated that as low as 2 μL of culture supernatants were sufficient for the analysis using UV-Vis spectrum assisted with partial least squares (PLS) model. The results indicated that the optimal PLS models could be used to predict antibody titer and VCD with the linear relationship between reference values and predicted values at R2 values ranging from 0.8 to > 0.9 in supernatant samples obtained from four different single clones and in polyclones that were cultured in various selection stringencies. Then, the percentage of cell viability and productivity were predicted from a set of samples of polyclones. The results indicated that while all predicted % cell viability were very similar to the actual value at RSEP value of 6.7 and R2 of 0.8908, the predicted productivity from 14 of 18 samples were closed to the reference measurements at RSEP value of 22.4 and R2 of 0.8522. These results indicated that UV-Vis combined with PLS has potential to be used for monitoring antibody titer, VCD, and % cell viability for both online and off-line therapeutic production process.
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Affiliation(s)
- Salinthip Jarusintanakorn
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Department of Pharmaceutics, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, Netherlands.,Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, 447, Sri-Ayuthaya Road, Rajathevi, Bangkok, 10400, Thailand.,Molecular Biotechnology Laboratory, School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Chutima Phechkrajang
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, 447, Sri-Ayuthaya Road, Rajathevi, Bangkok, 10400, Thailand
| | - Putthiporn Khongkaew
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, 447, Sri-Ayuthaya Road, Rajathevi, Bangkok, 10400, Thailand.,Faculty of Pharmaceutical Science, Burapha University, 169 Longhaad Bangsaen Road, Saensook, Muang, Chonburi, 20131, Thailand
| | - Enrico Mastrobattista
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Department of Pharmaceutics, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, Netherlands.
| | - Montarop Yamabhai
- Molecular Biotechnology Laboratory, School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand.
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Khongkaew P, Wattanaarsakit P, Papadopoulos KI, Chaemsawang W. Antioxidant Effects and in vitro Cytotoxicity on Human Cancer Cell Lines of Flavonoid-Rich Flamboyant (Delonix regia (Bojer) Raf.) Flower Extract. Curr Pharm Biotechnol 2021; 22:1821-1831. [PMID: 33121408 DOI: 10.2174/1389201021666201029154746] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 10/06/2020] [Accepted: 10/06/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND Cancer is a non-communicable disease with increasing incidence and mortality rates worldwide, including Thailand. Its apparent lack of effective treatments is posing challenging public health issues. INTRODUCTION Encouraging research results indicating probable anti-cancer properties of the Delonix regia flower Extract (DRE) have prompted us to evaluate the feasibility of developing a type of product for future cancer prevention or treatment. METHODS AND RESULTS In the present report, using High-Performance Liquid Chromatography (HPLC), we demonstrate in the DRE the presence of high concentrations of three identifiable flavonoids, namely rutin 4.15±0.30% w/w, isoquercitrin 3.04±0.02 %w/w, and myricetin 2.61±0.01% w/w, respectively, while the IC50 of DPPH and ABTS assay antioxidation activity was 66.88±6.30 μg/ml and 53.65±7.24 μg/ml, respectively. DISCUSSION Our cancer cell line studies using the MTT assay demonstrated DREs potent and dosedependent inhibition of murine leukemia cell line (P-388: 35.28±4.07% of cell viability remaining), as well as of human breast adenocarcinoma (MCF-7), human cervical carcinoma (HeLa), human oral cavity carcinoma (KB), and human colon carcinoma (HT-29) cell lines in that order of magnitude. CONCLUSION Three identifiable flavonoids (rutin, isoquercitrin and myricetin) with high antioxidation activity and potent and dose-dependent inhibition of murine leukemia cell line and five other cancer cell lines were documented in the DRE. The extract's lack of cytotoxicity in 3 normal cell lines is a rare advantage not usually seen in current antineoplastic agents. Yet another challenge of the DRE was its low dissolution rate and long-term storage stability, issues to be resolved before a future product can be formulated.
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Affiliation(s)
- Putthiporn Khongkaew
- Faculty of Pharmaceutical Science, Burapha University, 169 Long-haad Bangsaen Road, Saensook, Mueng, Chonburi 20131, Thailand
| | - Phanphen Wattanaarsakit
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, 254 Phyathai Road, Pathumwan, Bangkok, 10330, Thailand
| | - Konstantinos I Papadopoulos
- THAI StemLife, 566/3 Soi Ramkhamhaeng 39, (Thepleela 1), Prachaouthit Rd, Wang Thonglang, Bangkok 10310, Thailand
| | - Watcharaphong Chaemsawang
- Faculty of Pharmaceutical Science, Burapha University, 169 Long-haad Bangsaen Road, Saensook, Mueng, Chonburi 20131, Thailand
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Mathaweesansurn A, Choengchan N, Khongkaew P, Phechkrajang CM. Low-Cost Synthesis of Gold Nanoparticles from Reused Traditional Gold Leaf and its Application for Sensitive and Selective Colorimetric Sensing of Creatinine in Urine. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411014666181010130631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Gold nanoparticles (Au NPs) are normally prepared using standard gold
(III) trichloride which is much expensive and irritant. This work is aimed at demonstrating simple
and low-cost synthesis of Au NPs from the reused traditional gold leaf which is cost-free and less
toxic.
Methods:
The reused gold leaf was donated by the local temple. It was digested and used as the precursor
for the preparation of the Au NPs by Turkevich method. Poly (vinyl alcohol) (PVA) was employed
as a stabilizer. The as-prepared Au NPs were applied for the colorimetric determination of
creatinine in urine without any sample pretreatment.
Results:
Long-term stability of the gold colloids was achieved for at least 3 months. Morphology and
purity of the as-prepared Au NPs were the same as the ones prepared from standard gold (III) salt
and standard gold foil. Colorimetric response of the Au NPs was linear to the standard creatinine up
to 200 mg L-1. The limit of detection (0.16 mg L-1 or 1.41 μM) was enough sensitive for urinary creatinine
detection in patients with kidney disease. Good recoveries (97-108%) and fast analysis time
(3 min) were achieved. The developed method was successfully validated against the HPLC method.
Conclusion:
Facile and cost-effective synthesis of the Au NPs from the reused traditional gold leaf,
was accomplished. The as-prepared Au NPs were successfully applied for the determination of urinary
creatinine with high sensitivity and selectivity.
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Affiliation(s)
- Arjnarong Mathaweesansurn
- Flow Innovation-Research for Science and Technology Laboratories (FIRST Labs), Bangkok, 10520, Thailand
| | - Nathawut Choengchan
- Flow Innovation-Research for Science and Technology Laboratories (FIRST Labs), Bangkok, 10520, Thailand
| | - Putthiporn Khongkaew
- Faculty of Pharmaceutical Science, Burapha University, Longhaad Bangsaen Road, Muang, Chonburi, 20131, Thailand
| | - Chutima M. Phechkrajang
- Flow Innovation-Research for Science and Technology Laboratories (FIRST Labs), Bangkok, 10520, Thailand
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Mathaweesansurn A, Thongrod S, Khongkaew P, Phechkrajang CM, Wilairat P, Choengchan N. Simple and fast fabrication of microfluidic paper-based analytical device by contact stamping for multiple-point standard addition assay: Application to direct analysis of urinary creatinine. Talanta 2020; 210:120675. [DOI: 10.1016/j.talanta.2019.120675] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 12/21/2019] [Accepted: 12/23/2019] [Indexed: 02/06/2023]
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