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Bandyopadhyay D, Nag S, Das D, Banerjee Roy R. Electrochemical detection of folic acid in food extracts using molecularly imprinted polyacrylonitrile imbued graphite electrode. Anal Chim Acta 2024; 1325:343120. [PMID: 39244306 DOI: 10.1016/j.aca.2024.343120] [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: 04/04/2024] [Revised: 07/18/2024] [Accepted: 08/16/2024] [Indexed: 09/09/2024]
Abstract
The present study elucidates the effectiveness of a molecularly imprinted polyacrylonitrile-imbued graphite-base electrode (MAN@G) for the selective detection of folic acid (FA) in food samples. The prime objective of the recognition and quantification of vitamin compounds like FA is the overall quality assessment of vegetables and fruits. The cost-effective, reproducible, and durable MAN@G electrode has been fabricated using acrylonitrile (AN) as the monomer and FA as the template over graphite-base. The characterization of the synthesized MAN@G electrode material has been accomplished by utilizing UV-visible (UV-vis) spectroscopy and scanning electron microscopy (SEM). A tri-electrode system based on differential pulse voltammetry (DPV) and cyclic voltammetry (CV) techniques was employed to explore the analytical performance of the synthesized electrode. Rigorous analyses divulged that a widespread linearity window could be exhibited by the electrode under an optimized experimental environment, ranging from 20 μM to 400 μM concentrations with an acceptable lower limit of detection (LOD) and limit of quantification (LOQ) of 18 nM, and 60 nM respectively. Additionally, this electrode exhibits high reproducibility, good stability, and high repeatability, with RSD values of 1.72 %, 1.32 %, and 1.19 %, respectively. The detection efficacy of the proposed electrode has been further examined in food extracts, namely orange, spinach, papaya, soybean, and cooked rice, which endorsed high accuracy compared to the high-performance liquid chromatography (HPLC) method. Moreover, the statistical results obtained from the t-test analysis were also satisfactory for the FA concentrations present in those five samples.
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Affiliation(s)
- Dipan Bandyopadhyay
- Department of Instrumentation and Electronics Engineering, Jadavpur University, Kolkata, 700106, India
| | - Shreya Nag
- University of Engineering and Management, Kolkata, 700160, India
| | - Debangana Das
- Department of Electronics and Communication Engineering, Silicon Institute of Technology, Bhubaneswar, Odisha, 751024, India
| | - Runu Banerjee Roy
- Department of Instrumentation and Electronics Engineering, Jadavpur University, Kolkata, 700106, India.
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2
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Mei Zhang S, Xue Dong J, Li Wu X, Sen Zhao Y, Lei Li Y, Lin Wang S, Yang Y, An M, Su M, Ya Shi R, Feng Gao Z. A Highly Sensitive and Selective Fluorescent Sensor for Folic Acid Detection Based on D-penicillamine Stabilized Ag/Cu Alloy Nanoclusters. Chembiochem 2024; 25:e202400254. [PMID: 38757240 DOI: 10.1002/cbic.202400254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/07/2024] [Accepted: 05/16/2024] [Indexed: 05/18/2024]
Abstract
In this work, a highly sensitive and selective method for detecting folic acid (FA) was developed using D-penicillamine (DPA) stabilized Ag/Cu alloy nanoclusters (DPA@Ag/Cu NCs). The yellow emission of DPA@Ag/Cu NCs was found to be quenched upon the addition of FA to the system. The fluorescence intensity quenching value demonstrated a linear relationship with FA concentrations ranging from 0.01 to 1200 μM, with a limit of detection (LOD) of 5.3 nM. Furthermore, the detection mechanism was investigated through various characterization analyses, including high resolution transmission electron microscopy, fluorescence spectra, ultraviolet-visible absorption spectra, and fluorescence lifetime. The results indicated that the fluorescence quenching induced by FA was a result of electron transfer from FA to the ligands of DPA@Ag/Cu NCs. The selectivity of the FA sensor was also evaluated, showing that common amino acids and inorganic ions had minimal impact on the detection of FA. Moreover, the standard addition method was successfully applied to detect FA in human serum, chewable tablets and FA tablets with promising results. The use of DPA@Ag/Cu NCs demonstrates significant potential for detecting FA in complex biological samples.
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Affiliation(s)
- Sai Mei Zhang
- College of Chemistry and Materials Science, Hebei University, Key Laboratory of Analytical Science and Technology of Hebei Province, Baoding, 071002, People's Republic of China
| | - Jiang Xue Dong
- College of Chemistry and Materials Science, Hebei University, Key Laboratory of Analytical Science and Technology of Hebei Province, Baoding, 071002, People's Republic of China
| | - Xiao Li Wu
- College of Chemistry and Materials Science, Hebei University, Key Laboratory of Analytical Science and Technology of Hebei Province, Baoding, 071002, People's Republic of China
| | - Yong Sen Zhao
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, People's Republic of China
| | - Yan Lei Li
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, People's Republic of China
| | - Shou Lin Wang
- College of Chemistry and Materials Science, Hebei University, Key Laboratory of Analytical Science and Technology of Hebei Province, Baoding, 071002, People's Republic of China
| | - Yang Yang
- College of Chemistry and Materials Science, Hebei University, Key Laboratory of Analytical Science and Technology of Hebei Province, Baoding, 071002, People's Republic of China
| | - Miao An
- College of Chemistry and Materials Science, Hebei University, Key Laboratory of Analytical Science and Technology of Hebei Province, Baoding, 071002, People's Republic of China
| | - Ming Su
- College of Chemistry and Materials Science, Hebei University, Key Laboratory of Analytical Science and Technology of Hebei Province, Baoding, 071002, People's Republic of China
| | - Rong Ya Shi
- Difficult and Severe Liver Disease Center, Baoding People's Hospital, Baoding, 071030, People's Republic of China
| | - Zhong Feng Gao
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, People's Republic of China
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3
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Silva-Neto HA, Barbeira PJS, Coltro WKT, Piccin E. 3D printing of electrochemical cell for voltammetric detection and photodegradation monitoring of folic acid in juice samples. Food Chem 2024; 444:138677. [PMID: 38359702 DOI: 10.1016/j.foodchem.2024.138677] [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: 09/12/2023] [Revised: 01/11/2024] [Accepted: 02/02/2024] [Indexed: 02/17/2024]
Abstract
In this study, compact 3D-printed carbon black (CB) electrodes were manufactured for using in folic acid (FA) analysis in fruit samples. Before application in FA analysis, the electrode surfaces were characterized by high-resolution scanning electron microscopy and voltammetry using well-known redox probes. Square wave voltammetric study presented linear responses in the range between 10 and 200 µmol/L (R2 > 0.99), exhibited a suitable detection limit (LOD) of ∼ 5.1 µmol/L and acceptable performance in terms of reproducibility and anti-interference experiments. The analysis of FA in four different food samples using the proposed method agreed statistically with a comparative technique based on spectrophotometric measurements. Moreover, results from photostability experiments indicated that FA can be degraded after 5 and 20 min of UV exposure. These results successfully demonstrated the analytical feasibility of the 3D-printed electrodes as sensing material and for monitoring the photostability of FA in different fruit matrices.
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Affiliation(s)
- Habdias A Silva-Neto
- Departamento de Química, Universidade Federal de Minas Gerais, MG 31270-400, Brazil; Instituto de Química, Universidade Federal de Goiás, Goiânia, GO 74690-900, Brazil.
| | - Paulo J S Barbeira
- Departamento de Química, Universidade Federal de Minas Gerais, MG 31270-400, Brazil
| | - Wendell K T Coltro
- Instituto de Química, Universidade Federal de Goiás, Goiânia, GO 74690-900, Brazil; Instituto Nacional de Ciência e Tecnologia de Bioanalítica, Campinas, SP 13084-971, Brazil
| | - Evandro Piccin
- Departamento de Química, Universidade Federal de Minas Gerais, MG 31270-400, Brazil; Departamento do Química, Universidade Federal de São Carlos, SP 13565-905, Brazil.
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4
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Xu Z, Zhu M, Jiang W, Zhang T, Ma M, Shi F. A simple synthesis method of microsphere immunochromatographic test strip for time-resolved luminescence detection of folic acid. Food Chem 2023; 413:135599. [PMID: 36750007 DOI: 10.1016/j.foodchem.2023.135599] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 12/11/2022] [Accepted: 01/28/2023] [Indexed: 02/01/2023]
Abstract
Folic acid (FA) is an ingredient that must be added to infant milk powder to avoid potential defects. Rapid, sensitive and reliable detection methods are needed to determined FA addition levels. Thus, this study established a microsphere immunochromatographic test strip for time-resolved luminescence detection (TRLM-ICTS) based on carboxyl-functionalized time-resolved luminescent microspheres (Eu-TRLMs) prepared by a one-step method as fluorescent markers for the immediate quantitative detection of FA in milk powder. Eu-TRLMs prepared by the one-step method showed good dispersion, high stability and strong fluorescence intensity, which is improving the sensitivity of TRLM-ICTS. In the performance evaluation of TRLM-ICTS, the detection limit was 0.487 ng mL-1, the recovery rate was 97.3-105 %, and the actual sample detection results were in line with those of UPLC-MS/MS. TRLM-ICTS has the advantages of rapid, high sensitivity and strong specificity and could as a practical quantitative detection method for the detection of FA in milk powder.
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Affiliation(s)
- Zhihua Xu
- College of Life Science, Shihezi University, Shihezi 832003, China
| | - Mingsong Zhu
- College of Biological Science and Medical Engineering, Southeast University, Nanjing 214135, China
| | - Wenxuan Jiang
- College of Life Science, Shihezi University, Shihezi 832003, China
| | - Tieying Zhang
- College of Life Science, Shihezi University, Shihezi 832003, China
| | - Mingze Ma
- College of Life Science, Shihezi University, Shihezi 832003, China
| | - Feng Shi
- College of Life Science, Shihezi University, Shihezi 832003, China.
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Li J, Chen SL, Yan RP, Young DJ, Mi Y, Hu FL. Fabrication of ultrathin 2D MOF nanosheets for Folic Acid detection. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2023. [DOI: 10.1016/j.cjac.2023.100251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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Kesimal B, Balci B, Cakal D, Önal AM, Cihaner A. Synthesis and Characterization of a Luminol Based Chemiluminescent Trimeric System. J Fluoresc 2023:10.1007/s10895-023-03172-9. [PMID: 36773099 DOI: 10.1007/s10895-023-03172-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023]
Abstract
A luminol based chemiluminescent trimeric system, namely 2,3-dihydro-5,8-di(thiophen-2-yl)phthalazine-1,4-dione (T2B-Lum), bearing thiophene rings as donor units and 2,3-dihydrophthalazine-1,4-dione as an acceptor unit was synthesized in two steps via donor-acceptor-donor approach using two different methods. It was found that T2B-Lum emits chemiluminescent light when exposed to H2O2 in a basic medium, and the presence of substituents and the type of aromatic ring bearing chemiluminescent active group have a direct effect on the compound's sensitivity. Among the members of a large family of metal ions, fluorescent and chemiluminescent T2B-Lum exhibited high sensitivity to Cu2+ and Fe3+ ions. Except for other metal cations (silver(I), cadmium(II), cobalt(II), iron(III), lithium(I), magnesium(II), manganese(II), nickel(II), zinc(II)), it has been observed that T2B-Lum is mostly sensitive to copper(II) ions with a detection limit value of 2.2 × 10- 3 M. On the other hand, T2B-Lum was also found to exhibit a high sensitivity to extremely dilute aqueous solutions (e.g., 1:50.000 dilution) of blood samples, making it a promising candidate for use in forensic applications.
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Affiliation(s)
- Busra Kesimal
- Atilim Optoelectronic Materials and Solar Energy Laboratory (ATOMSEL), Department of Chemical Engineering, Atilim University, TR-06830, Ankara, Turkey.,Graduate School of Natural and Applied Sciences, Atilim University, TR-06830, Ankara, Turkey
| | - Burcu Balci
- Atilim Optoelectronic Materials and Solar Energy Laboratory (ATOMSEL), Department of Chemical Engineering, Atilim University, TR-06830, Ankara, Turkey.,Graduate School of Natural and Applied Sciences, Atilim University, TR-06830, Ankara, Turkey
| | - Deniz Cakal
- Department of Chemistry, Middle East Technical University, TR-06800, Ankara, Turkey
| | - Ahmet M Önal
- Department of Chemistry, Middle East Technical University, TR-06800, Ankara, Turkey
| | - Atilla Cihaner
- Atilim Optoelectronic Materials and Solar Energy Laboratory (ATOMSEL), Department of Chemical Engineering, Atilim University, TR-06830, Ankara, Turkey.
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A brief review on the recent achievements in electrochemical detection of folic acid. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01421-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Mukherjee S, Ghosh S, Biswas S. A MOF chemosensor for highly sensitive and ultrafast detection of folic acid in biofriendly medium, paper strips and real samples. Inorg Chem Front 2022. [DOI: 10.1039/d2qi01594c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
A new dansyl functionalized Zr(iv) MOF was used for ultra-fast (<5 s), highly sensitive (detection limit: 1.3 nM) and selective fluorescence sensing of folic acid in bio-fluids, real samples and paper strips.
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Affiliation(s)
- Srijan Mukherjee
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039 Assam, India
| | - Subhrajyoti Ghosh
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039 Assam, India
| | - Shyam Biswas
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039 Assam, India
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Chen J, Gao T, Chang Y, Wei Y, Wang Y. Supramolecular complexation between cucurbit[7]uril and folate and analytical applications. JOURNAL OF CHEMICAL RESEARCH 2021. [DOI: 10.1177/17475198211066489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Folate (FA) plays a key role in the biosynthesis of amino acids, purines, and pyrimidines in the human body, and intracellular folate metabolism has become an attractive target of tumor chemotherapy. In this work, an inclusion interaction was found between FA and cucurbit[7]uril (CB[7]), and the formation of a CB[7]-FA 2:1 supramolecular inclusion complex was confirmed by fluorescence spectra, UV-Vis absorption spectroscopy, 1H NMR, and molecular modeling calculations. In addition, FA is generally determined through the indirect fluorescent method because it shows weak fluorescence in aqueous solution. Therefore, a simple, direct fluorescence probe method for rapidly measuring FA was investigated, and the linear equation of FA was ΔF = 14.691C + 37.366 within the concentration ranges of 0.82 ~ 18.31 µg mL–1. The proposed direct fluorescence method was applied to the determination of spiked plasma. We demonstrated that this method could provide an experimental basis for the targeted administration of the CB[7]-FA complex, and it could be extended as a promising fluorescence detection method for drugs in vivo.
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Affiliation(s)
- Jue Chen
- Shanxi University of Chinese Medicine, Taiyuan, P.R. China
| | - Tengmei Gao
- Shanxi University of Chinese Medicine, Taiyuan, P.R. China
| | - Yinxia Chang
- Shanxi University of Chinese Medicine, Taiyuan, P.R. China
| | - Yanming Wei
- Shanxi University of Chinese Medicine, Taiyuan, P.R. China
| | - Yonghui Wang
- Shanxi University of Chinese Medicine, Taiyuan, P.R. China
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10
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Akbari A, Koolivand Z, Mohamadi MB, Zahedi A, Ghasemnezhad M, Sabati Z, Chamkouri N. Determination of B Vitamins by Double-Vortex-Ultrasonic Assisted Dispersive Liquid-Liquid Microextraction and Evaluation of their Possible Roles in Susceptibility to COVID-19 Infection: Hybrid Box-Behnken Design and Genetic Algorithm. J Chromatogr Sci 2021; 60:897-906. [PMID: 34718458 DOI: 10.1093/chromsci/bmab124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Indexed: 11/13/2022]
Abstract
OBJECTIVES In this study, double-vortex-ultrasonic assisted dispersive liquid-liquid microextraction (DVUDLLME) was applied to determine the concentration of vitamin B9, 5-methyl tetrahydrofolate (5-MeTHF) and vitamin B12 in human serum samples. METHODS High-performance liquid chromatography (HPLC) coupled with DVUDLLME was applied to analyze vitamins B in patients with Coronavirus disease (COVID-19). Then, significant variables were chosen and optimized using the hybrid Box-Behnken design and genetic algorithm. RESULTS The detection limits of DVUDLLME-HPLC were 0.21 ng mL-1, 0.18 ng mL-1 and 55 pgmL-1 for vitamin B9, 5-MeTHF and vitamin B12, respectively. Subsequently, DVUDLLME-HPLC was applied to measure B vitamins and investigated their possible roles in susceptibility to COVID-19 infection. Fifty-seven percent of the patients without an underlying disease have significantly lower serum vitamin B12 levels in comparison to controls. CONCLUSIONS The advantages of this method are low detection limit, simple preparation, low retention time and the use of a cheaper technique instead of expensive mass detectors. The results suggest that vitamin B12 deficiency may decrease the immune system defenses against COVID-19 patients without an underlying disease and cause the disease to become severe. However, these works need a large population and further research, such as a randomized trial and a cohort study.
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Affiliation(s)
- Akbar Akbari
- Abadan University of Medical Sciences, Abadan, Iran
| | | | | | | | | | - Zolfaghar Sabati
- MSc student of Hematology, Student Research Committee, School of Allied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
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Zhao T, Lin H, Li N, Shi H, Kang W, Xu X. Determination of folic acid by capillary zone electrophoresis with indirect chemiluminescence detection. RSC Adv 2021; 11:20063-20069. [PMID: 35479876 PMCID: PMC9033656 DOI: 10.1039/d1ra02502c] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 05/19/2021] [Indexed: 01/19/2023] Open
Abstract
A capillary electrophoresis method with on-line inhibited chemiluminescence (CL) detection was first used to determine folic acid (FA). This method was established based on the quenching effect of FA on the CL reaction of luminol with a Ag(iii) complex in alkaline medium. The separation was conducted with a 20.0 mM sodium borate buffer containing 1.0 mmol L-1 luminol. Under optimized conditions, FA was baseline separated and detected in less than 10 min. The limit of detection of FA was 1.3 mg L-1, with a linear range of 5.0-150.0 mg L-1 (r = 0.9953). The RSD value was 2.8% for intra-day precision and 5.4% inter-day precision. The recoveries of the standard addition of tablets and human urine ranged from 90.3% to 107.5% and from 82.0 to 105.7%, respectively. The proposed method was successfully applied to determine FA contents in commercial pharmaceutical tablets and human urine samples. Results suggested that this method was simple and robust.
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Affiliation(s)
- Tangjuan Zhao
- Hebei Key Laboratory of Environment and Human Health, School of Public Health, Hebei Medical University Shijiazhuang 050017 PR China
| | - Huaping Lin
- Hebei Key Laboratory of Environment and Human Health, School of Public Health, Hebei Medical University Shijiazhuang 050017 PR China
| | - Nan Li
- Hebei Key Laboratory of Environment and Human Health, School of Public Health, Hebei Medical University Shijiazhuang 050017 PR China
| | - Hongmei Shi
- Hebei Key Laboratory of Environment and Human Health, School of Public Health, Hebei Medical University Shijiazhuang 050017 PR China
| | - Weijun Kang
- Hebei Key Laboratory of Environment and Human Health, School of Public Health, Hebei Medical University Shijiazhuang 050017 PR China
| | - Xiangdong Xu
- Hebei Key Laboratory of Environment and Human Health, School of Public Health, Hebei Medical University Shijiazhuang 050017 PR China
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Di Tinno A, Cancelliere R, Micheli L. Determination of Folic Acid Using Biosensors-A Short Review of Recent Progress. SENSORS (BASEL, SWITZERLAND) 2021; 21:3360. [PMID: 34066085 PMCID: PMC8150745 DOI: 10.3390/s21103360] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/07/2021] [Accepted: 05/08/2021] [Indexed: 01/09/2023]
Abstract
Folic acid (FA) is the synthetic surrogate of the essential B vitamin folate, alternatively named folacin, pteroylglutamic acid or vitamin B9. FA is an electroactive compound that helps our body to create and keep our cells healthy: it acts as the main character in a variety of synthetic biological reactions such as the synthesis of purines, pyrimidine (thus being indirectly implied in DNA synthesis), fixing and methylation of DNA. Therefore, physiological folate deficiency may be responsible for severe degenerative conditions, including neural tube defects in developing embryos and megaloblastic anaemia at any age. Moreover, being a water-soluble molecule, it is constantly lost and has to be reintegrated daily; for this reason, FA supplements and food fortification are, nowadays, extremely diffused and well-established practices. Consequently, accurate, reliable and precise analytical techniques are needed to exactly determine FA concentration in various media. Thus, the aim of this review is to report on research papers of the past 5 years (2016-2020) dealing with rapid and low-cost electrochemical determination of FA in food or biological fluid samples.
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Affiliation(s)
- Alessio Di Tinno
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy; (A.D.T.); (R.C.)
- Department of Electrical and Information Engineering, University of Cassino and Southern Lazio, Via Gaetano di Biaio 1, 03043 Cassino, Italy
| | - Rocco Cancelliere
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy; (A.D.T.); (R.C.)
- CNR—National Research Council of Italy, Institute of Crystallography (IC), Via Salaria Km 29,300, 00015 Rome, Italy
| | - Laura Micheli
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy; (A.D.T.); (R.C.)
- INBB—Consorzio Interuniversitario Istituto Nazionale di Biostrutture e Biosistemi, Viale Medaglie d’Oro 305, 00136 Rome, Italy
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13
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Ma Y, Fu S, Tan Y, Zhang A. Design and synthesis of highly fluorescent and stable fullerene nanoparticles as probes for folic acid detection and targeted cancer cell imaging. NANOTECHNOLOGY 2021; 32:195501. [PMID: 33482659 DOI: 10.1088/1361-6528/abdf02] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Rational design and construction of fullerene derivatives play significant roles in the development of applications for sensing, marking and imaging in biomedical fields. In the present work, a novel type of C60 fluorescent nanoparticle (C60 FNP) was synthesized by a combination of thiol-ene chemistry and modification with folic acid (FA). The as-prepared C60 FNPs exhibited intense blue luminescence with a relatively high quantum yield of 26%, which is higher than that of any other reported fluorescent fullerene-based nanomaterial. Moreover, they revealed superior photobleaching resistance under constant UV lamp illumination for 5 h and excellent photostablity after 9 months of storage in water. Due to the mutual hydrogen bond interaction, the obtained C60 FNPs were capable of acting as a sensitive and specific probe for FA detection and quantification, with a liner range of 0 to 80 μM and a detection limit of 0.24 μM. Satisfactory recoveries (95.4%-105.2%) were obtained from a series of actual samples, further confirming the feasibility of this nanoprobe. Additionally, taking advantage of the FA moiety, the C60 FNPs had easy access to penetrate into cancer cells with higher expression levels of folate receptors, thereby achieving the function of targeted cellular imaging.
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Affiliation(s)
- Yihan Ma
- College of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan 430074, People's Republic of China
| | - Sheng Fu
- College of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan 430074, People's Republic of China
| | - Yixuan Tan
- College of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan 430074, People's Republic of China
| | - Aiqing Zhang
- College of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan 430074, People's Republic of China
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14
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Zhang Y, Gao R, Zhang L, Geng Y, Chen Q, Chen X, Liu X, Mu X, Ding Y, Wang Y, He J. AMPK/mTOR downregulated autophagy enhances aberrant endometrial decidualization in folate-deficient pregnant mice. J Cell Physiol 2021; 236:7376-7389. [PMID: 33959973 DOI: 10.1002/jcp.30408] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 04/15/2021] [Accepted: 04/19/2021] [Indexed: 12/19/2022]
Abstract
Existing evidence suggests that adverse pregnancy outcomes are closely related to dietary factors. Folate plays an important role in neural tube formation and fetal growth, folate deficiency is a major risk factor of birth defects. Our early studies showed that folate deficiency could impair enddecidualization, however, the mechanism is still unclear. Dysfunctional autophagy is associated with many diseases. Here, we aimed to evaluate the adverse effect of folate deficiency on endometrial decidualization, with a particular focus on endometrial cell autophagy. Mice were fed with no folate diet in vivo and the mouse endometrial stromal cell was cultured in a folate-free medium in vitro. The decrease of the number of endometrial autophagosomes and the protein expressions of autophagy in the folate-deficient group indicated that autophagosome formation, autophagosome-lysosome fusion, and lysosomal degradation were inhibited. Autophagic flux examination using mCherry-GFP-LC3 transfection showed that the fusion of autophagosomes with lysosomes was inhibited by folate deficiency. Autophagy inducer rapamycin could reverse the impairment of folate deficiency on endometrial decidualization. Moreover, folate deficiency could reduce autophagy by disrupting AMPK/mTOR signaling, resulting in aberrant endometrial decidualization and adverse pregnancy outcomes. Further co-immunoprecipitation examination showed that decidual marker protein Hoxa10 could interact with autophagic marker protein Cathepsin L, and the interaction was notably reduced by folate deficiency. In conclusion, AMPK/mTOR downregulated autophagy was essential for aberrant endometrial decidualization in early pregnant mice, which could result in adverse pregnancy outcomes. This provided some new clues for understanding the causal mechanisms of birth defects induced by folate deficiency.
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Affiliation(s)
- Yan Zhang
- Laboratory of Reproductive Biology, College of Public Health and Administration, Chongqing Medical University, Chongqing, PR China
- Joint International Research, Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, PR China
| | - Rufei Gao
- Laboratory of Reproductive Biology, College of Public Health and Administration, Chongqing Medical University, Chongqing, PR China
- Joint International Research, Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, PR China
| | - Lei Zhang
- Laboratory of Reproductive Biology, College of Public Health and Administration, Chongqing Medical University, Chongqing, PR China
- Joint International Research, Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, PR China
| | - Yanqing Geng
- Joint International Research, Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, PR China
- College of Basic Medicine, Chongqing Medical University, Chongqing, PR China
| | - Qiutong Chen
- Laboratory of Reproductive Biology, College of Public Health and Administration, Chongqing Medical University, Chongqing, PR China
- Joint International Research, Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, PR China
| | - Xuemei Chen
- Laboratory of Reproductive Biology, College of Public Health and Administration, Chongqing Medical University, Chongqing, PR China
- Joint International Research, Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, PR China
| | - Xueqing Liu
- Laboratory of Reproductive Biology, College of Public Health and Administration, Chongqing Medical University, Chongqing, PR China
- Joint International Research, Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, PR China
| | - Xinyi Mu
- Joint International Research, Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, PR China
- College of Basic Medicine, Chongqing Medical University, Chongqing, PR China
| | - Yubin Ding
- Laboratory of Reproductive Biology, College of Public Health and Administration, Chongqing Medical University, Chongqing, PR China
- Joint International Research, Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, PR China
| | - Yingxiong Wang
- Joint International Research, Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, PR China
- College of Basic Medicine, Chongqing Medical University, Chongqing, PR China
| | - Junlin He
- Laboratory of Reproductive Biology, College of Public Health and Administration, Chongqing Medical University, Chongqing, PR China
- Joint International Research, Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, PR China
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15
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Ligand-modulated synthesis of gold nanoclusters for sensitive and selective detection of folic acid. J Anal Sci Technol 2021. [DOI: 10.1186/s40543-021-00266-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
AbstractPrecisely changing the optical properties of gold nanoclusters (AuNCs) with different ligands offers a promising prospect for highly sensitive and selective drug sensing. In this study, AuNCs were synthesized with d-tryptophan (d-Trp) and its derivatives as the ligands. Optical measurements showed that d-Trp@AuNCs produced higher fluorescence intensity and shorter fluorescence emission wavelength than the d-Trp-derivatives-ligands protected AuNCs, indicating that the ligand-shell rigidity and core-shell charge transfer affected their fluorescent properties. At the excitation wavelength of 370 nm, the emission wavelength of d-Trp@AuNCs was 460 nm. The fluorescence changes revealed the high selectivity of d-Trp@AuNCs for detecting folic acid due to the static quenching and inner filter effect. In the presence of folic acid, the fluorescence of d-Trp@AuNCs was remarkably quenched with good linearity ranging from 6.3-100.0 μM (R2 = 0.997) and a detection limit of 5.8 μM. The proposed assay was successfully utilized to determine the amount of folic acid in human urine with recoveries from 94.3 to 107.3%. This work shows the great potential of d-Trp@AuNCs for detecting folic acid in real bio-samples. It also presents an effective strategy for preparation of the AuNCs with enhanced fluorescence efficiency by regulating the rigidity of the ligands shell and the core-shell charge transfer.
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16
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Fluorescence Ratio Nanoprobe Consisting of a Carbon Nanodots-Quantum Dots Composite for Visual Detection of Folic Acid in Dry Milk Powders. FOOD ANAL METHOD 2021. [DOI: 10.1007/s12161-021-02004-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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17
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Fabrication of enzyme-less folic acid sensor probe based on facile ternary doped Fe2O3/NiO/Mn2O3 nanoparticles. CURRENT RESEARCH IN BIOTECHNOLOGY 2020. [DOI: 10.1016/j.crbiot.2020.11.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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18
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Fluorescent AgInS/ZnS quantum dots microplate and lateral flow immunoassays for folic acid determination in juice samples. Mikrochim Acta 2020; 187:427. [PMID: 32632757 DOI: 10.1007/s00604-020-04398-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 06/16/2020] [Indexed: 10/23/2022]
Abstract
A noninstrumental rapid test for folic acid (FA) detection with visual results evaluation utilizing bright water-stable AgInS/ZnS (AIS/ZnS) quantum dots (QDs) is reported . AIS/ZnS QDs are hydrophilic photostable nanocrystals with size < 7 nm and emission in the visible range. They were synthesized directly in the water phase by a simple method compared to the synthesis of other QDs and conjugated with monoclonal antibodies specific for FA via ligand carboxyl groups. The conjugate was used for the development of instrumental qualitative and rapid quantitative FA detection methods. The competitive fluorescent microplate immunosorbent assay provided a limit of detection of 0.1 ng/mL FA and half maximal inhibitory concentration (IC50) of 24 ng/mL FA. The analytical signal was measured at ʎex = 410 nm and ʎem=590 nm. The proposed method showed no cross-reaction with other group B vitamins. For FA screening in juice samples, the lateral flow immunoassay was developed with a visual cutoff level of 3 μg/mL. In our perception, the developed methods are convenient for proving the perception of the AIS/ZnS QDs application as a luminescent label for immunoassay and are effective for FA detection. Graphical abstract.
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Yin X, Gao R, Geng Y, Chen X, Liu X, Mu X, Ding Y, Wang Y, He J. Autophagy regulates abnormal placentation induced by folate deficiency in mice. Mol Hum Reprod 2020; 25:305-319. [PMID: 30976800 DOI: 10.1093/molehr/gaz022] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 03/18/2019] [Indexed: 12/14/2022] Open
Abstract
Folate deficiency has been linked to a wide range of pregnancy disorders. Most research about folate-deficiency has focused on the embryo itself, little attention has been paid to possible effects on the placenta. According to our results, the morphology of the placenta, endocrine function, and the expression of genes involved in placental differentiation were all abnormal in folate-deficient mice on days 10, 12, and 14 of pregnancy. Similar results were found in human placenta explants cultured in folate-deficient medium. Autophagy is an inducible catabolic process activated by external nutrients starvation. Here we explored further, whether autophagy was involved in the abnormal placentation caused by folate-deficiency. The aberrant number of autophagosomes measured by transmission electron microscopy and the deviant expression of autophagy-related markers showed a disordered autophagy in placentas under conditions of folate-deficiency in vivo and in vitro dual-fluorescence mRFP-eGFP-LC3 analysis indicated enhanced autophagy was detected in HTR8/SVneo cells incubated in folate-deficient medium. Importantly, the placentation impairment in mice and human placenta explants could be recovered by inhibiting placental autophagy using 3-MA. In addition, the apoptosis and invasive capability of HTR8/SVneo cells were obviously suppressed by folate deficiency but notably elevated by 3-MA. These data suggest that folate deficiency can impair placentation and autophagy is a key factor in this. However, the signal pathway by which folate deficiency causes aberrant autophagy needs to be explored further.
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Affiliation(s)
- Xin Yin
- Laboratory of Reproductive Biology, School of Public Health and Management and Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Yuzhong District, Chongqing, PR China
| | - Rufei Gao
- Laboratory of Reproductive Biology, School of Public Health and Management and Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Yuzhong District, Chongqing, PR China
| | - Yanqing Geng
- Laboratory of Reproductive Biology, School of Public Health and Management and Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Yuzhong District, Chongqing, PR China
| | - Xuemei Chen
- Laboratory of Reproductive Biology, School of Public Health and Management and Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Yuzhong District, Chongqing, PR China
| | - Xueqing Liu
- Laboratory of Reproductive Biology, School of Public Health and Management and Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Yuzhong District, Chongqing, PR China
| | - Xinyi Mu
- Laboratory of Reproductive Biology, School of Public Health and Management and Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Yuzhong District, Chongqing, PR China
| | - Yubin Ding
- Laboratory of Reproductive Biology, School of Public Health and Management and Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Yuzhong District, Chongqing, PR China
| | - Yingxiong Wang
- Laboratory of Reproductive Biology, School of Public Health and Management and Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Yuzhong District, Chongqing, PR China
| | - Junlin He
- Laboratory of Reproductive Biology, School of Public Health and Management and Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Yuzhong District, Chongqing, PR China
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20
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Li M, Wang C, Chen L, Liu D. A novel electrochemiluminescence sensor based on resonance energy transfer system between nitrogen doped graphene quantum dots and boron nitride quantum dots for sensitive detection of folic acid. Anal Chim Acta 2019; 1090:57-63. [DOI: 10.1016/j.aca.2019.09.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 09/04/2019] [Accepted: 09/06/2019] [Indexed: 01/02/2023]
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21
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He Y, Wang S, Wang J. Detection and quantification of folic acid in serum via a dual-emission fluorescence nanoprobe. Anal Bioanal Chem 2019; 411:7481-7487. [PMID: 31511949 DOI: 10.1007/s00216-019-02121-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 09/02/2019] [Indexed: 02/05/2023]
Abstract
Folic acid (FA) is an essential vitamin in humans, and thus, rapid, accurate, and sensitive methods for its quantification in different biological samples are needed. This work describes a novel, simple, and effective dual-emission fluorescence nanoprobe for FA detection and quantification. The probe was covalently linked to amino-modified orange quantum dots (QDs) and carboxyl-modified blue graphene quantum dots (GQDs). The resulting material exhibited two emission peaks at 401 and 605 nm upon excitation at 310 nm. The probe had good selectivity and sensitivity toward FA with an exceptionally low detection limit (LOD = 0.09 nM). This probe was effectively used to quantify FA in animal serum samples. The method has potential utility for FA analysis in different types of biological samples. Graphical abstract.
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Affiliation(s)
- Yu He
- State Key Laboratory of Food Nutrition and Safety, College of Biotechnology and Food Engineering, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Shuo Wang
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin, 300071, China
| | - Junping Wang
- State Key Laboratory of Food Nutrition and Safety, College of Biotechnology and Food Engineering, Tianjin University of Science and Technology, Tianjin, 300457, China.
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22
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Wang P, Wu Q, Wang C, Yang X, Wei M, Pu Y, Zhou M, Zhang M. Prussian blue functionalized partial reduced graphene oxide enhanced electrochemiluminescence of perylenetetracarboxylic acid for folic acid determination. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.113324] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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23
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Jiang S, Hu X, Qiu J, Guo H, Yang F. A fluorescent sensor for folic acid based on crown ether-bridged bis-tetraphenylethylene. Analyst 2019; 144:2662-2669. [PMID: 30843902 DOI: 10.1039/c9an00161a] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Aggregation-induced emission (AIE) provides a new strategy for preparing fluorescent sensors in aggregated state. In this paper, a series of crown ether-bridged bis-tetraphenylethylene compounds were synthesized in 78-84% yield by a simple procedure. The molecules exhibited excellent AIE properties in THF/H2O solutions and solid films. The investigation on sensing abilities for various biomolecules and metal ions suggested that Bis-TPE-1 possessed obvious response to folic acid, with fluorescence enhancement and blue shift of maximum emission wavelength from 380 nm to 365 nm. The detection limit for folic acid was 6.36 × 10-7 M, and the sensor's selectivity for folic acid was little interfered by the other species. The sensor mechanism was studied by FT-IR, 1H NMR, MS spectra and fluorescence Jobs' plot. The selective sensor for folic acid was applied in test paper and the analyses of real samples of mung bean and spinach. The superior bioimaging performance of Bis-TPE-1 for sensing folic acid was confirmed by the live cell imaging experiments, which indicated its good practical application potential for detecting folic acid.
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Affiliation(s)
- Shengjie Jiang
- College of Chemistry and Materials, Fujian Normal University, Fuzhou 350007, P. R. China.
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24
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Chen X, Zhou Q, Zhang T, Wang C, Yu Z, Ahamada H, Bai Z, Huang X. Development of a Sensitive Chemiluminescence Immunoassay for the Quantification of Folic Acid in Human Serum. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2019; 2019:5402903. [PMID: 31240147 PMCID: PMC6556278 DOI: 10.1155/2019/5402903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 01/12/2019] [Accepted: 01/30/2019] [Indexed: 06/09/2023]
Abstract
Folic acid (FA) is an important vitamin for human growth, especially for pregnant women. FA deficiency is associated with megaloblastic anemia, neural tube defects, cardiovascular diseases, irritability, diarrhea, and psychiatric disorders. Normally, FA molecules bind to folate-binding protein (FBP) in the serum as complex. Before quantify the FA concentration, a releasing procedure should be conducted. Alkaline condition and tris(2-carboxyethyl)phosphine (TCEP) are used to release binding FA to freeing state. In this work, a chemiluminescence immunoassay (CLIA) for human serum FA was established by competition model. Streptavidin (SA) was labeled to magnetic beads by an 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide/N-hydroxysuccinimide (EDAC/NHS) method. Activated biotin molecules were labeled to FBP molecules purified from milk. FA was labeled to horseradish peroxidase (HRP) by EDAC to activate the FA molecules. The pretreated samples or standards were added into the reaction tube with biotin-FBP and FA-horseradish peroxidase (HRP), FA in the sample compete with FA-HRP for binding to biotin-FBP, the signal is inversely proportional to the FA concentration. The method established shows good thermostability and performance. The limitation of detection (LOD) is 0.44 ng/mL. The intra-assay coefficient of variation (CV) is 3.6%-7.1%, the interassay CV is 4.2%-7.5%, and the recovery rate is 92.1%-103.5%. Cross reactivity (CR) was remarkably low with aminopterin, folinic acid, and methotrexate. The method shows good correlation with the FA CLIA product from Beckman Coulter; the equation is y = 0.9618x-0.1434 while the R 2 value is 0.9224. The established method is sensitive, rapid, and accurate which can fully satisfy for the clinical requirement.
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Affiliation(s)
- Xiang Chen
- School of Biotechnology, Jiangnan University, Wuxi, China
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi, China
| | - Qiyang Zhou
- Jiangsu Testing and Inspection Institute for Medical Devices, Nanjing, China
| | - Ting Zhang
- The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University, Wuxi, China
| | - ChunXin Wang
- Medical Laboratory, Wuxi People Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Zheng Yu
- School of Biotechnology, Jiangnan University, Wuxi, China
| | - Hadji Ahamada
- Hematology and Clinical Biochemistry Department, Hospital EL-Maarouf, Moroni, Comoros
| | - Zhonghu Bai
- School of Biotechnology, Jiangnan University, Wuxi, China
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi, China
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Xuan Huang
- Department of Laboratory Medicine, Affiliated Hospital of Jiangnan University, Wuxi, China
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25
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Li X, Wu X, Zhang F, Zhao B, Li Y. Label-free detection of folic acid using a sensitive fluorescent probe based on ovalbumin stabilized copper nanoclusters. Talanta 2019; 195:372-380. [DOI: 10.1016/j.talanta.2018.11.067] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 11/18/2018] [Accepted: 11/21/2018] [Indexed: 11/30/2022]
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26
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Panjan P, Monasterio RP, Carrasco-Pancorbo A, Fernandez-Gutierrez A, Sesay AM, Fernandez-Sanchez JF. Development of a folic acid molecularly imprinted polymer and its evaluation as a sorbent for dispersive solid-phase extraction by liquid chromatography coupled to mass spectrometry. J Chromatogr A 2018; 1576:26-33. [PMID: 30253912 DOI: 10.1016/j.chroma.2018.09.037] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 06/06/2018] [Accepted: 09/17/2018] [Indexed: 10/28/2022]
Abstract
This work shows the development of a molecularly imprinted polymer to determine folic acid (FA) in food extracts by using dispersive solid-phase extraction and liquid chromatography coupled to mass spectrometry (LC-MS). Herewith, combinations of monomers (methacrylic acid (MAA), 4-vinylpyridine (4VPy) and vinylbenzyl trimethylammonium chloride (VBTMAC)) and crosslinkers (ethylene glycol dimethacrylate (EGDMA) and divinyl benzene (DVB)) were tested in appropriate solvents. Isotherm tests revealed that the MIP with the highest affinity was obtained by combining VBTMAC and EGDMA. Having checked the appropriate template-monomer-crosslinker ratio, the FA MIP was analyzed for its kinetic and equilibrium binding properties, proving very high affinity (more than 2.5 mmol g-1) and MIP/NIP ratio (up to 37). The FA MIP was used to selectively isolate the compound of interest from lettuce and cookies matrices using a dispersive solid-phase extraction protocol (which exhibited appropriate recovery and repeatability, ≥79.50% and ≤13.41 (%RSD in terms of area values), respectively, as well as absence of matrix effect); the resulting extracts were analyzed by a rapid and reliable LC-MS method.
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Affiliation(s)
- Peter Panjan
- Measurement Technology Unit (MITY), University of Oulu, Kajaani, Finland
| | - Romina P Monasterio
- Instituto de Biología Agrícola de Mendoza (IBAM), UNCuyo, CONICET. Alt. Brown 500, Chacras de Coria, Mendoza, Argentina
| | - Alegría Carrasco-Pancorbo
- Department of Analytical Chemistry, University of Granada, Avd. Fuentenueva s/n, 18071, Granada, Spain
| | | | - Adama M Sesay
- Measurement Technology Unit (MITY), University of Oulu, Kajaani, Finland.
| | - Jorge F Fernandez-Sanchez
- Department of Analytical Chemistry, University of Granada, Avd. Fuentenueva s/n, 18071, Granada, Spain; NanoMyP(®), Nanomateriales y Polimeros S.L, Spin-Off company of the UGR, BIC building, Avd. Innovacion 1, E-18016, Granada, Spain.
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27
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Ali NW, Abdelwahab NS, Abdelrahman MM, El-Zeiny BA, Tohamy SI. Development and validation of spectrophotometric and high-performance thin-layer chromatographic methods for the determination of folic acid in the presence of its impurities (degradation products). JPC-J PLANAR CHROMAT 2018. [DOI: 10.1556/1006.2018.31.5.4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Nourrudin W. Ali
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy Beni-Suef University, Alshaheed Shehata Ahmed Higazy St., 62514, Beni-Suef, Egypt
| | - Nada S. Abdelwahab
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy Beni-Suef University, Alshaheed Shehata Ahmed Higazy St., 62514, Beni-Suef, Egypt
| | - Maha M. Abdelrahman
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy Beni-Suef University, Alshaheed Shehata Ahmed Higazy St., 62514, Beni-Suef, Egypt
| | - Badr A. El-Zeiny
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy Cairo University, Kasr EL-Aini Street, ET 11562, Cairo, Egypt
| | - Salwa I. Tohamy
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy Beni-Suef University, Alshaheed Shehata Ahmed Higazy St., 62514, Beni-Suef, Egypt
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28
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Wang M, Fei X, Lv S, Sheng Y, Zou H, Song Y, Yan F, Zhu Q, Zheng K. Synthesis and characterization of a flexible fluorescent magnetic Fe 3O 4@SiO 2/CdTe-NH 2 nanoprobe. J Inorg Biochem 2018; 186:307-316. [PMID: 30015258 DOI: 10.1016/j.jinorgbio.2018.06.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 06/05/2018] [Accepted: 06/07/2018] [Indexed: 01/13/2023]
Abstract
In this study, we designed and synthesized two novel fluorescent magnetic nanoparticles. Fe3O4@SiO2-NH-GSH-CdTe (FSGC) (GSH = glutathione) nanoparticles were synthesized using amino-functionalized Fe3O4@SiO2 nanoparticles and GSH-stabilized CdTe quantum dots (CdTe QDs), while flexible Fe3O4@SiO2-NH-GSH-CdTe-NH-NH2 (FSGCN) nanoparticles were synthesized using the FSGC precursor and 1,6-hexamethylenediamine. These two kinds of nanoprobes exhibited excellent magnetic and fluorescent properties. By comparing the fluorescence quenching effect of folic acid (FA) on FSGC and FSGCN, we found that the quenching effect of FA on FSGC was acute and the process was too fast to determine the FA content. However, the quenching effect of FA on flexible FSGCN was mild and hence it could be used as a nanoprobe to determine FA concentration. At physiological pH, the fluorescence quenching effect of FA on the FSGCN nanoprobes was fitted according to the Stern-Volmer equation with a linear response in the concentration range of 0.14 to 4.20 μg mL-1 with a detection limit of 15.1 × 10-9 g mL-1 (S/N = 3) under optimized experimental conditions. The proposed flexible nanoprobe was successfully used to determine the content of FA in folic acid tablets. Recovery was found to be in the range of 92.7%-105.6% with a relative standard deviation of 1.12%-3.84%. Owing to their good stability, environment-friendly characteristics, high selectivity, and good optical properties and biocompatibility, these nanoprobes have potential for usage in practical applications.
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Affiliation(s)
- Min Wang
- College of Chemistry, Jilin University, Changchun 130012, People's Republic of China; Development and Molecular Pharmacology Laboratory of Active Polysaccharides, School of Life Science, Jilin University, Changchun 130012, People's Republic of China
| | - Xiaofang Fei
- Development and Molecular Pharmacology Laboratory of Active Polysaccharides, School of Life Science, Jilin University, Changchun 130012, People's Republic of China; Key Laboratory for Molecular Enzymology and Engineering, Ministry of Education, School of Life Science, Jilin University, Changchun 130012, People's Republic of China; National Engineering Laboratory for AIDS Vaccine, School of Life Science, Jilin University, Changchun 130012, People's Republic of China.
| | - Shaowu Lv
- Key Laboratory for Molecular Enzymology and Engineering, Ministry of Education, School of Life Science, Jilin University, Changchun 130012, People's Republic of China
| | - Ye Sheng
- College of Chemistry, Jilin University, Changchun 130012, People's Republic of China
| | - Haifeng Zou
- College of Chemistry, Jilin University, Changchun 130012, People's Republic of China
| | - Yanhua Song
- College of Chemistry, Jilin University, Changchun 130012, People's Republic of China
| | - Fei Yan
- College of Chemistry, Jilin University, Changchun 130012, People's Republic of China
| | - Qianlong Zhu
- College of Chemistry, Jilin University, Changchun 130012, People's Republic of China
| | - Keyan Zheng
- College of Chemistry, Jilin University, Changchun 130012, People's Republic of China.
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29
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Meng L, Yin JH, Yuan Y, Xu N. 11-Mercaptoundecanoic acid capped gold nanoclusters as a fluorescent probe for specific detection of folic acid via a ratiometric fluorescence strategy. RSC Adv 2018; 8:9327-9333. [PMID: 35541875 PMCID: PMC9078653 DOI: 10.1039/c8ra00481a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 02/24/2018] [Indexed: 11/26/2022] Open
Abstract
A novel ratiometric fluorescence strategy is developed for specific detection of folic acid (FA) by using 11-mercaptoundecanoic acid protected gold nanoclusters (AuNCs@MUA). In this design, the fluorescence color of the probe can be switched among red, pink, violet and blue by varying the concentration of FA. AuNCs@MUA possesses strong fluorescence peaking at 612 nm (R-signal) and FA exhibits blue emissive auto-fluorescence at 446 nm (B-signal), showing a large emission shift of ∼170 nm. When AuNCs@MUA approaches FA through electrostatic binding, the R-signal decreases while the B-signal increases with titration of FA. Based on the above phenomenon, a radiometric analysis platform is constructed for FA target detection, with a wide linear response range from 0 to 20 μM, and an excellent detection limit of 26 nM. This new ratiometric strategy exhibits low background, and wide signal changes in a low concentration range, which presents obvious advantages over most previous FA detections based on single-responsive fluorescence methods. Furthermore, the proposed method is successfully applied to determine FA in human serum samples. A novel ratiometric fluorescence strategy is developed for specific detection of folic acid (FA) by using 11-mercaptoundecanoic acid protected gold nanoclusters (AuNCs@MUA).![]()
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Affiliation(s)
- Lei Meng
- College of Materials Science and Engineering
- Jilin Institute of Chemical Technology
- China
- College of Sciences
- Jilin Institute of Chemical Technology
| | - Jian-Hang Yin
- College of Materials Science and Engineering
- Jilin Institute of Chemical Technology
- China
| | - Yaqing Yuan
- College of Materials Science and Engineering
- Jilin Institute of Chemical Technology
- China
| | - Na Xu
- College of Materials Science and Engineering
- Jilin Institute of Chemical Technology
- China
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30
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Ribeiro MVDM, Melo IDS, Lopes FDCDC, Moita GC. Development and validation of a method for the determination of folic acid in different pharmaceutical formulations using derivative spectrophotometry. BRAZ J PHARM SCI 2016. [DOI: 10.1590/s1984-82502016000400019] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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31
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Li X, Chen L. Fluorescence Probe Based on an Amino-Functionalized Fluorescent Magnetic Nanocomposite for Detection of Folic Acid in Serum. ACS APPLIED MATERIALS & INTERFACES 2016; 8:31832-31840. [PMID: 27796090 DOI: 10.1021/acsami.6b10163] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A new fluorescence probe constructed with a multifunctional nanocomposite, Fe3O4-ZnS:Mn2+/SiO2-NH2, was successfully synthesized and then used to detect folic acid in real serum samples. The nanocomposite was characterized by fluorescence spectroscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray powder diffraction, and physical property measurement system. With the addition of analyte, the Fe3O4-ZnS:Mn2+/SiO2-NH2 composite and folic acid formed a new complex because cross-linking of the amino and carboxyl groups participated in the condensation reaction. Then, the energy of quantum dots was transferred to the complex and led to quenching of the fluorescence. Moreover, the fluorescence intensity decreased significantly as the concentration of folic acid increased, and the fluorescence quenching ratio F0/F was related to the folic acid concentration in the range from 0.1 to 5 μg mL-1. This method was used for detecting folic acid in real serum samples and gave recoveries in the range of 89.0%-96.0%, with relative standard deviations of 1.2%-3.9%. The detection limit was 9.6 ng mL-1 (S/N = 3). These satisfactory and simple results showed the great potential of this fluorescence probe in the field of pharmaceutical analysis.
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Affiliation(s)
- Xiaowan Li
- Department of Chemistry, College of Science, Northeast Forestry University , 26 Hexing Road, Harbin 150040, China
| | - Ligang Chen
- Department of Chemistry, College of Science, Northeast Forestry University , 26 Hexing Road, Harbin 150040, China
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32
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Štěpánková M, Šelešovská R, Janíková L, Chýlková J, Švancara I. Sensitive electrochemical sensor for the determination of folic acid based on a bismuth-film electrode. MONATSHEFTE FUR CHEMIE 2016. [DOI: 10.1007/s00706-016-1849-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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33
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Liu P, Liu D, Liu Y, Li L. ANTS-anchored Zn-Al-CO3-LDH particles as fluorescent probe for sensing of folic acid. J SOLID STATE CHEM 2016. [DOI: 10.1016/j.jssc.2016.06.014] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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34
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Hassanzadeh R, lotfi A, Bagheri N, Hassanzadeh J. Ultrasensitive and Rapid Determination of Folic Acid Using Ag Nanoparticles Enhanced 1, 10-Phenantroline-Terbium (III) Sensitized Fluorescence. J Fluoresc 2016; 26:1875-83. [DOI: 10.1007/s10895-016-1882-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 07/12/2016] [Indexed: 12/28/2022]
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35
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Khaleghi F, Irai AE, Sadeghi R, Gupta VK, Wen Y. A Fast Strategy for Determination of Vitamin B₉ in Food and Pharmaceutical Samples Using an Ionic Liquid-Modified Nanostructure Voltammetric Sensor. SENSORS (BASEL, SWITZERLAND) 2016; 16:E747. [PMID: 27231909 PMCID: PMC4934179 DOI: 10.3390/s16060747] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 05/06/2016] [Accepted: 05/19/2016] [Indexed: 11/23/2022]
Abstract
Vitamin B₉ or folic acid is an important food supplement with wide clinical applications. Due to its importance and its side effects in pregnant women, fast determination of this vitamin is very important. In this study we present a new fast and sensitive voltammetric sensor for the analysis of trace levels of vitamin B₉ using a carbon paste electrode (CPE) modified with 1,3-dipropylimidazolium bromide (1,3-DIBr) as a binder and ZnO/CNTs nanocomposite as a mediator. The electro-oxidation signal of vitamin B₉ at the surface of the 1,3-DIBr/ZnO/CNTs/CPE electrode appeared at 800 mV, which was about 95 mV less positive compared to the corresponding unmodified CPE. The oxidation current of vitamin B₉ by square wave voltammetry (SWV) increased linearly with its concentration in the range of 0.08-650 μM. The detection limit for vitamin B₉ was 0.05 μM. Finally, the utility of the new 1,3-DIBr/ZnO/CNTs/CPE electrode was tested in the determination of vitamin B₉ in food and pharmaceutical samples.
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Affiliation(s)
- Fatemeh Khaleghi
- The Health of Plant and Livestock Products Research Center, Mazandaran University of Medical Sciences, Sari 4815733971, Iran.
| | - Abolfazl Elyasi Irai
- Young Researchers and Elite Club, Ayatollah Amoli Branch, Islamic Azad University, Mazandaran 46351-43358, Iran.
| | - Roya Sadeghi
- Department of Physics, Science and Research Branch, Islamic Azad University, Mazandaran 1477893855, Iran.
| | - Vinod Kumar Gupta
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India.
- Department of Applied Chemistry, University of Johannesburg, Johannesburg 3204/6, South Africa.
| | - Yangping Wen
- Key Laboratory of Applied Chemistry, Jiangxi Agricultural University, Nanchang 330045, China.
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Li X, Tan X, Yan J, Hu Q, Wu J, Zhang H, Chen X. A sensitive electrochemiluminescence folic acid sensor based on a 3D graphene/CdSeTe/Ru(bpy)32+-doped silica nanocomposite modified electrode. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2015.11.082] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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37
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Chen Z, Wang J, Miao H, Wang L, Wu S, Yang X. Fluorescent carbon dots derived from lactose for assaying folic acid. Sci China Chem 2015. [DOI: 10.1007/s11426-015-5536-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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38
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Liu Y, Huang X, Ren J. Recent advances in chemiluminescence detection coupled with capillary electrophoresis and microchip capillary electrophoresis. Electrophoresis 2015; 37:2-18. [DOI: 10.1002/elps.201500314] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 08/13/2015] [Accepted: 08/14/2015] [Indexed: 01/20/2023]
Affiliation(s)
- Yuxuan Liu
- State Key Laboratory of Metal Matrix Composites, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; Shanghai P. R. China
| | - Xiangyi Huang
- State Key Laboratory of Metal Matrix Composites, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; Shanghai P. R. China
| | - Jicun Ren
- State Key Laboratory of Metal Matrix Composites, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; Shanghai P. R. China
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Geng Y, Gao R, Chen X, Liu X, Liao X, Li Y, Liu S, Ding Y, Wang Y, He J. Folate deficiency impairs decidualization and alters methylation patterns of the genome in mice. Mol Hum Reprod 2015; 21:844-56. [PMID: 26246607 DOI: 10.1093/molehr/gav045] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 07/28/2015] [Indexed: 01/09/2023] Open
Abstract
Existing evidence suggests that adverse pregnancy outcomes are closely related with dietary factors. Previous studies in mice have focused on the harm of folate deficiency (FD) on development of embryo, while the effect of low maternal folate levels on maternal intrauterine environment during early pregnancy remains unclear. Since our previous study found that FD treatment of mice causes no apparent defects in embryo implantation but is accompanied by female subfertility, we next chose to investigate a potential role of FD on molecular events after implantation. We observed that the decidual bulges began to be stunted on pregnancy day 6. The results of functional experiments in vivo and in vitro showed that FD inhibited the process of endometrial decidualization. It has been confirmed that DNA methylation participates in decidualization, and folate as a methyl donor could change the methylation patterns of genes. Thus, we hypothesized that FD impairs maternal endometrial decidualization by altering the methylation profiles of related genes. Reduced representation bisulphite sequencing was carried out to detect the methylation profiles of endometrium on pregnancy day 6-8, which is equivalent to the decidualization period in mice. The results confirmed that FD changes the methylation patterns of genome, and GO analysis of the differentially methylated regions revealed that the associated genes mainly participate in biological adhesion, biological regulation, cell proliferation, development, metabolism and signalling. In addition, we found some candidates for regulators of decidual transformation, such as Nr1h3 and Nr5a1. The data indicate that FD inhibits decidualization, possibly by altering methylation patterns of the genome in mice.
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Affiliation(s)
- Yanqing Geng
- Laboratory of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Box 197, No.1 Yixueyuan Road, Yuzhong District, 400016 Chongqing, PR China
| | - Rufei Gao
- Laboratory of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Box 197, No.1 Yixueyuan Road, Yuzhong District, 400016 Chongqing, PR China
| | - Xuemei Chen
- Laboratory of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Box 197, No.1 Yixueyuan Road, Yuzhong District, 400016 Chongqing, PR China
| | - Xueqing Liu
- Laboratory of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Box 197, No.1 Yixueyuan Road, Yuzhong District, 400016 Chongqing, PR China
| | - Xinggui Liao
- Laboratory of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Box 197, No.1 Yixueyuan Road, Yuzhong District, 400016 Chongqing, PR China
| | - Yanli Li
- Laboratory of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Box 197, No.1 Yixueyuan Road, Yuzhong District, 400016 Chongqing, PR China
| | - Shangjing Liu
- Laboratory of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Box 197, No.1 Yixueyuan Road, Yuzhong District, 400016 Chongqing, PR China
| | - Yubin Ding
- Laboratory of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Box 197, No.1 Yixueyuan Road, Yuzhong District, 400016 Chongqing, PR China
| | - Yingxiong Wang
- Laboratory of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Box 197, No.1 Yixueyuan Road, Yuzhong District, 400016 Chongqing, PR China
| | - Junlin He
- Laboratory of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Box 197, No.1 Yixueyuan Road, Yuzhong District, 400016 Chongqing, PR China
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40
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Li Y, Gao R, Liu X, Chen X, Liao X, Geng Y, Ding Y, Wang Y, He J. Folate Deficiency Could Restrain Decidual Angiogenesis in Pregnant Mice. Nutrients 2015; 7:6425-45. [PMID: 26247969 PMCID: PMC4555123 DOI: 10.3390/nu7085284] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Revised: 03/27/2015] [Accepted: 07/20/2015] [Indexed: 11/24/2022] Open
Abstract
The mechanism of birth defects induced by folate deficiency was focused on mainly in fetal development. Little is known about the effect of folate deficiency on the maternal uterus, especially on decidual angiogenesis after implantation which establishes vessel networks to support embryo development. The aim of this study was to investigate the effects of folate deficiency on decidual angiogenesis. Serum folate levels were measured by electrochemiluminescence. The status of decidual angiogenesis was examined by cluster designation 34 (CD34) immunohistochemistry and the expression of angiogenic factors, including vascular endothelial growth factor A (VEGFA), placental growth factor (PLGF), and VEGF receptor 2 (VEGFR2) were also tested. Serum levels of homocysteine (Hcy), follicle stimulating hormone (FSH), luteinizing hormone (LH), prolactin (PRL), progesterone (P4), and estradiol (E2) were detected by Enzyme-linked immunosorbent assay. The folate-deficient mice had a lower folate level and a higher Hcy level. Folate deficiency restrained decidual angiogenesis with significant abnormalities in vascular density and the enlargement and elongation of the vascular sinus. It also showed a reduction in the expressions of VEGFA, VEGFR2, and PLGF. In addition, the serum levels of P4, E2, LH, and PRL were reduced in folate-deficient mice, and the expression of progesterone receptor (PR) and estrogen receptor α (ERα) were abnormal. These results indicated that folate deficiency could impaire decidual angiogenesis and it may be related to the vasculotoxic properties of Hcy and the imbalance of the reproductive hormone.
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Affiliation(s)
- Yanli Li
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing 400016, China.
| | - Rufei Gao
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing 400016, China.
| | - Xueqing Liu
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing 400016, China.
| | - Xuemei Chen
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing 400016, China.
| | - Xinggui Liao
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing 400016, China.
| | - Yanqing Geng
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing 400016, China.
| | - Yubin Ding
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing 400016, China.
| | - Yingxiong Wang
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing 400016, China.
| | - Junlin He
- Laboratory of Reproductive Biology, School of Public Health, Chongqing Medical University, Chongqing 400016, China.
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41
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Cinková K, Švorc Ľ, Šatkovská P, Vojs M, Michniak P, Marton M. Simple and Rapid Quantification of Folic Acid in Pharmaceutical Tablets using a Cathodically Pretreated Highly Boron-doped Polycrystalline Diamond Electrode. ANAL LETT 2015. [DOI: 10.1080/00032719.2014.999272] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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42
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Georgescu R, van Staden JF, Stefan-van Staden RI, Boscornea C. Evaluation of amperometric dot microsensors for the analysis of folic acid in pharmaceutical tablets and urine samples. J PORPHYR PHTHALOCYA 2015. [DOI: 10.1142/s1088424615500066] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Nineteen amperometric dot microsensors based on graphite and graphene modified with a selection of porphyrins and phthalocyanines were evaluated and tested for their ability of the analysis of folic acid in pharmaceutical tablets (e.g. Acifol) and biological samples (e.g. urine), using differential pulse voltammetry. Cyclic voltammetry was used to optimize the working conditions, e.g. pH and electrolyte for the proposed amperometric dot microsensors. The optimum working pH was 7.0 (phosphate buffer), with a 0.1 M potassium chloride supporting electrolyte. The linear concentration ranges for folic acid were between 10-6 and 10-3) M for all dot microsensors except dot microsensors based on graphite modified with tetraamino cobalt(II) phthalocyanine and tetranitro manganese(II) phthalocyanine which had linear concentration ranges between 10-6 and 10-4 M . The highest sensitivity (0.770 nA. mmolL-1) was recorded for the graphite modified with tetraamino cobalt(II) phthalocyanine based dot sensor and the lowest limit of detection (1.14 10-7 M ) for the graphite modified with tetranitro zinc(II) phthalocyanine based dot sensor. The dot sensors were used for the reliable analysis of folic acid in Acifol tablets and urine samples, with recoveries higher than 94.00% and 99.00%, respectively.
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Affiliation(s)
- Ramona Georgescu
- Laboratory of Electrochemistry and PATLAB Bucharest, National Institute of Research for Electrochemistry, and Condensed Matter, Bucharest 060021, Romania
- Department of Bioresources and Polymer Science, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Romania
| | - Jacobus Frederick van Staden
- Laboratory of Electrochemistry and PATLAB Bucharest, National Institute of Research for Electrochemistry, and Condensed Matter, Bucharest 060021, Romania
| | - Raluca-Ioana Stefan-van Staden
- Laboratory of Electrochemistry and PATLAB Bucharest, National Institute of Research for Electrochemistry, and Condensed Matter, Bucharest 060021, Romania
| | - Cristian Boscornea
- Department of Bioresources and Polymer Science, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Romania
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43
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Wang X, You Z, Cheng Y, Sha H, Li G, Zhu H, Sun W. Application of nanosized gold and graphene modified carbon ionic liquid electrode for the sensitive electrochemical determination of folic acid. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.01.036] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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44
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Folate deficiency decreases apoptosis of endometrium decidual cells in pregnant mice via the mitochondrial pathway. Nutrients 2015; 7:1916-32. [PMID: 25781218 PMCID: PMC4377890 DOI: 10.3390/nu7031916] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 02/18/2015] [Accepted: 03/04/2015] [Indexed: 12/18/2022] Open
Abstract
It is well known that maternal folate deficiency results in adverse pregnancy outcomes. In addition to aspects in embryonic development, maternal uterine receptivity and the decidualization of stromal cells is also very important for a successful pregnancy. In this study, we focused on endometrium decidualization and investigated whether apoptosis, which is essential for decidualization, was impaired. Flow cytometry and TUNEL detection revealed that apoptosis of mouse endometrium decidual cells was suppressed in the dietary folate-deficient group on Days 7 and 8 of pregnancy (Day 1 = vaginal plug) when decidua regression is initiated. The endometrium decidual tissue of the folate deficiency group expressed less Bax compared to the normal diet group while they had nearly equal expression of Bcl2 protein. Further examination revealed that the mitochondrial transmembrane potential (ΔΨm) decreased, and the fluorescence of diffuse cytoplasmic cytochrome c protein was detected using laser confocal microscopy in normal decidual cells. However, no corresponding changes were observed in the folate-deficient group. Western blotting analyses confirmed that more cytochrome c was released from mitochondria in normal decidual cells. Taken together, these results demonstrated that folate deficiency could inhibit apoptosis of decidual cells via the mitochondrial apoptosis pathway, thereby restraining decidualization of the endometrium and further impairing pregnancy.
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45
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Kingsley MP, Desai PB, Srivastava AK. Simultaneous electro-catalytic oxidative determination of ascorbic acid and folic acid using Fe3O4 nanoparticles modified carbon paste electrode. J Electroanal Chem (Lausanne) 2015. [DOI: 10.1016/j.jelechem.2014.12.039] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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46
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A highly sensitive dual-readout assay based on gold nanoclusters for folic acid detection. Mikrochim Acta 2015. [DOI: 10.1007/s00604-014-1442-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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47
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Jiang X, Gao K, Hu D, Wang H, Bian S, Chen Y. Ion-transfer voltammetric determination of folic acid at meso-liquid–liquid interface arrays. Analyst 2015; 140:2823-33. [DOI: 10.1039/c4an02011a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Voltammetric studies on the simple ion transfer (IT) behaviors of an important water-soluble B-vitamin, folic acid (FA), at the liquid–liquid (L–L) interface were firstly performed and applied as a novel detection method for FA under physiological conditions. This work provides a new and attractive strategy for the detection of FA− and other biological anions.
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Affiliation(s)
- Xuheng Jiang
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Kui Gao
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Daopan Hu
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Huanhuan Wang
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Shujuan Bian
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Yong Chen
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
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48
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Babakhanian A, Kaki S, Ahmadi M, Ehzari H, Pashabadi A. Development of α-polyoxometalate–polypyrrole–Au nanoparticles modified sensor applied for detection of folic acid. Biosens Bioelectron 2014; 60:185-90. [DOI: 10.1016/j.bios.2014.03.058] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2014] [Revised: 03/19/2014] [Accepted: 03/27/2014] [Indexed: 11/17/2022]
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49
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Zhang JR, Wang ZL, Qu F, Luo HQ, Li NB. Polyethylenimine-capped silver nanoclusters as a fluorescence probe for highly sensitive detection of folic acid through a two-step electron-transfer process. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:6592-6599. [PMID: 24972143 DOI: 10.1021/jf4054534] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A highly sensitive folic acid (FA) detection method based on the fluorescence quenching of polyethylenimine-capped silver nanoclusters (PEI-AgNCs) was put forward. In the sensing system, FA and PEI-AgNCs were brought into close proximity to each other by electrostatic interaction, and a two-step electron-transfer process, in which the electron was transferred from FA to AgNCs through PEI molecule, led to fluorescence quenching. The fluorescence quenching efficiency of PEI-AgNCs was linearly related to the concentration of FA over the range from 0.1 nM to 2.75 μM. Good linear correlation (R(2) = 0.9981) and a detection limit of 0.032 nM were obtained under optimum conditions. Moreover, the proposed method was used for the determination of FA in real samples with satisfactory results, and those coexistent substances could not cause any significant decrease in the fluorescence intensity of AgNCs. Therefore, the proposed research system is of practical significance and application prospects.
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Affiliation(s)
- Jian Rong Zhang
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, People's Republic of China
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50
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A novel nanosensor based on Pt:Co nanoalloy ionic liquid carbon paste electrode for voltammetric determination of vitamin B9 in food samples. Lebensm Wiss Technol 2014. [DOI: 10.1016/j.lwt.2014.01.023] [Citation(s) in RCA: 140] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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