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Zeeshan, Bahrami S, Park S, Cho S. Antibody functionalized capacitance sensor for label-free and real-time detection of bacteria and antibiotic susceptibility. Talanta 2024; 272:125831. [PMID: 38428133 DOI: 10.1016/j.talanta.2024.125831] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 02/09/2024] [Accepted: 02/23/2024] [Indexed: 03/03/2024]
Abstract
The effective management of infectious diseases and the growing concern of antibiotic resistance necessitates accurate and targeted therapies, highlighting the importance of antibiotic susceptibility testing. This study aimed to develop a real-time impedimetric biosensor for identifying and monitoring bacterial growth and antibiotic susceptibility. The biosensor employed a gold 8-channel disk-shaped microelectrode array with specific antibodies as bio-recognition elements. This setup was allowed for the analysis of bacterial samples, including Staphylococcus aureus, Bacillus cereus, and Micrococcus luteus. These microorganisms were successfully cultured and detected within 1 h of incubation even with a minimal bacterial concentration of 10 CFU/ml. Overall, the developed biosensor array exhibits promising capabilities for monitoring S. aureus, B. cereus and M. luteus, showcasing an excellent linear response ranging from 10 to 104 CFU/ml with a detection limit of 0.95, 1.22 and 1.04 CFU/mL respectively. Moreover, real-time monitoring of antibiotic susceptibility was facilitated by changes in capacitance, which dropped when bacteria were exposed to antibiotic doses higher than their minimum inhibitory concentration (MIC), indicating suppressed bacterial growth. The capacitance measurements enabled determination of half-maximal cytotoxic concentrations (CC50) values for each bacteria-antibiotic pair. As a proof-of-concept application, the developed sensor array was employed as a sensing platform for the real time detection of bacteria in milk samples, which ensured the reliability of the sensor for in-field detection of foodborne pathogens and rapid antimicrobial susceptibility tests (ASTs).
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Affiliation(s)
- Zeeshan
- Department of Electronic Engineering, Gachon University, 1342 Seongnamdaero, Seongnam-si, Gyeonggi-do, 13120, South Korea.
| | - Sadra Bahrami
- School of Mechanical Engineering, Sungkyunkwan University (SKKU), Seobu-ro 2066, Jangan-gu, Suwon, 16419, South Korea.
| | - Sungsu Park
- School of Mechanical Engineering, Sungkyunkwan University (SKKU), Seobu-ro 2066, Jangan-gu, Suwon, 16419, South Korea.
| | - Sungbo Cho
- Department of Electronic Engineering, Gachon University, 1342 Seongnamdaero, Seongnam-si, Gyeonggi-do, 13120, South Korea; Department of Health Science and Technology, GAIHST, Gachon University, Incheon, 21999, South Korea.
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Park MN, Yeo SG, Park J, Jung Y, Hwang SM. Usefulness and Limitations of PFGE Diagnosis and Nucleotide Sequencing Method in the Analysis of Food Poisoning Pathogens Found in Cooking Employees. Int J Mol Sci 2024; 25:4123. [PMID: 38612932 PMCID: PMC11012705 DOI: 10.3390/ijms25074123] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 03/26/2024] [Accepted: 04/01/2024] [Indexed: 04/14/2024] Open
Abstract
In the case of a food poisoning outbreak, it is essential to understand the relationship between cooking workers and food poisoning. Many biological diagnostic methods have recently been developed to detect food poisoning pathogens. Among these diagnostic tools, this study presents PCR-based pulsed-field gel electrophoresis and nucleotide sequencing diagnostic analysis results for diagnosing food poisoning outbreaks associated with cooking employees in Chungcheongnam-do, Republic of Korea. Pulsed-field gel electrophoresis was useful in identifying the food poisoning outbreaks caused by Staphylococcus aureus and Enteropathogenic Escherichia coli. In the case of Norovirus, nucleotide sequencing was used to identify the relationship between cooking workers and the food poisoning outbreak. However, it is difficult to determine whether cooking employees directly caused the food poisoning outbreaks based on these molecular biological diagnostic results alone. A system is needed to integrate epidemiological and diagnostic information to identify a direct correlation between the food poisoning outbreak and cooking employees.
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Affiliation(s)
- Mi-Na Park
- Graduate School of Public Health & Welfare, Konyang University, 158 Gwanjeodong-ro, Daejeon 35365, Republic of Korea;
- Chungcheongnam-do Institute of Health and Environment Research, 8 Hongyegongwon-ro, Hongseong 32254, Republic of Korea;
| | - Sang-Gu Yeo
- Korea Disease Control and Prevention Agency, Osong Health Technology Administration Complex, 2 Osongsaengmyeong-ro, Cheongju 28159, Republic of Korea;
| | - Junhyuk Park
- Chungcheongnam-do Institute of Health and Environment Research, 8 Hongyegongwon-ro, Hongseong 32254, Republic of Korea;
| | - Yoomi Jung
- Korea Armed Forces Nursing Academy, 90 Jaun-ro, Daejeon 34059, Republic of Korea;
| | - Se-Min Hwang
- Graduate School of Public Health & Welfare, Konyang University, 158 Gwanjeodong-ro, Daejeon 35365, Republic of Korea;
- Department of Preventive Medicine, Myunggok Medical Faculty, Medical Campus, Konyang University College of Medicine, 158 Gwanjeodong-ro, Daejeon 35365, Republic of Korea
- Myunggok Medical Research Center, Konyang University College of Medicine, 158 Gwanjeodong-ro, Daejeon 35365, Republic of Korea
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Zhong Y, Lu H, Jiang Y, Tan D, Pan Y, Liabsuetrakul T. Detection rates of norovirus gastroenteritis and factors associated with the infection before and during COVID-19 pandemic: a secondary analysis of surveillance data in Guangxi Zhuang Autonomous Region, Southern China. Infect Ecol Epidemiol 2023; 13:2278246. [PMID: 38187165 PMCID: PMC10769525 DOI: 10.1080/20008686.2023.2278246] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 10/29/2023] [Indexed: 01/09/2024] Open
Abstract
Background: Changes in oral and hand hygiene behaviors have been reported during the COVID-19 pandemic in 2020 which may be associated with the incidence of the norovirus infection, a common cause of gastroenteritis. Objective: To estimate the trends of detection rates of norovirus gastroenteritis and associated factors before COVID-19 in 2015-2019 and during the COVID-19 in 2020 in Guangxi, China. Methods: A secondary analysis of Guangxi surveillance data of gastroenteritis patients was conducted. The detection rate in 2020 was predicted using an autoregressive integrated moving average modeland associated factors were analyzed using multiple logistic regression adjusted for interaction effects. Results: Of 7,903 gastroenteritis patients, the overall detection rate of norovirus gastroenteritis was 12.8%, (14.3% before and 6.1% during COVID-19). Detection rates gradually decreased from 2015 to 2020, of which the slope of predicted line was slightly flatter than the actual line. The odds ratios of detection were double to triple increase during COVID-19 in the younger age group and having food intake outside their homes. Tourist city, season, and types of food were independent associated factors. Conclusion: The detection rates were higher during the COVID-19 year among the population aged 45 years or less and those who consumed food outside their home.
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Affiliation(s)
- Yanxu Zhong
- Food Safety Monitoring and Evaluation Department, Guangxi Zhuang Autonomous Region Centre for Disease Control and Prevention (Guangxi CDC), Nanning, Guangxi Region, China
- Department of Epidemiology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Huan Lu
- Infectious Department, The Fourth People’s Hospital of Nanning, Nanning, Guangxi Region, China
| | - Yuyan Jiang
- Food Safety Monitoring and Evaluation Department, Guangxi Zhuang Autonomous Region Centre for Disease Control and Prevention (Guangxi CDC), Nanning, Guangxi Region, China
| | - Dongmei Tan
- Food Safety Monitoring and Evaluation Department, Guangxi Zhuang Autonomous Region Centre for Disease Control and Prevention (Guangxi CDC), Nanning, Guangxi Region, China
| | - Yuli Pan
- Food Safety Monitoring and Evaluation Department, Guangxi Zhuang Autonomous Region Centre for Disease Control and Prevention (Guangxi CDC), Nanning, Guangxi Region, China
| | - Tippawan Liabsuetrakul
- Department of Epidemiology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand
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Xian X, Wang L, Wu X, Tang X, Zhai X, Yu R, Qu L, Ye M. Comparison of SARIMA model, Holt-winters model and ETS model in predicting the incidence of foodborne disease. BMC Infect Dis 2023; 23:803. [PMID: 37974072 PMCID: PMC10652449 DOI: 10.1186/s12879-023-08799-4] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 11/07/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND According to the World Health Organization, foodborne disease is a significant public health issue. We will choose the best model to predict foodborne disease by comparison, to provide evidence for government policies to prevent foodborne illness. METHODS The foodborne disease monthly incidence data from June 2017 to April 2022 were obtained from the Chongqing Nan'an District Center for Disease Prevention and Control. Data from June 2017 to June 2021 were used to train the model, and the last 10 months of incidence were used for prediction and validation The incidence was fitted using the seasonal autoregressive integrated moving average (SARIMA) model, Holt-Winters model and Exponential Smoothing (ETS) model. Besides, we used MSE, MAE, RMSE to determine which model fits better. RESULTS During June 2017 to April 2022, the incidence of foodborne disease showed seasonal changes, the months with the highest incidence are June to November. The optimal model of SARIMA is SARIMA (1,0,0) (1,1,0)12. The MSE, MAE, RMSE of the Holt-Winters model are 8.78, 2.33 and 2.96 respectively, which less than those of the SARIMA and ETS model, and its prediction curve is closer to the true value. The optimal model has good predictive performance. CONCLUSION Based on the results, Holt-Winters model produces better prediction accuracy of the model.
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Affiliation(s)
- Xiaobing Xian
- College of Public Health, Chongqing Medical University, Chongqing, China
| | - Liang Wang
- College of Public Health, Chongqing Medical University, Chongqing, China
| | - Xiaohua Wu
- Nan'an District Center for Disease Control and Prevention, Chongqing, China
| | - Xiaoqing Tang
- Nan'an District Center for Disease Control and Prevention, Chongqing, China
| | - Xingpeng Zhai
- College of Public Health, Chongqing Medical University, Chongqing, China
| | - Rong Yu
- School of Traditional Chinese Medicine, Chongqing Medical University, ChongQing, China
| | - Linhan Qu
- School of The First Clinical College, Chongqing Medical University, ChongQing, China
| | - Mengliang Ye
- College of Public Health, Chongqing Medical University, Chongqing, China.
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Chen L, Wang J, Chen J, Zhang R, Zhang H, Qi X, He Y. Epidemiological characteristics of Vibrio parahaemolyticus outbreaks, Zhejiang, China, 2010-2022. Front Microbiol 2023; 14:1171350. [PMID: 37448578 PMCID: PMC10336542 DOI: 10.3389/fmicb.2023.1171350] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 06/12/2023] [Indexed: 07/15/2023] Open
Abstract
Background Vibrio parahaemolyticus is one of the most common foodborne pathogens and poses a significant disease burden. The purpose of the study was to elucidate the epidemiological characteristics of Vibrio parahaemolyticus outbreaks in Zhejiang Province, and provide insights for the targeted prevention and control of foodborne diseases. Methods Descriptive statistical methods were utilized to analyze the data on Vibrio parahaemolyticus outbreaks reported by all Centers for Disease Control and Prevention (CDCs) through Foodborne Disease Outbreaks Surveillance System (FDOSS) in Zhejiang Province from 2010 to 2022. Results From 2010 to 2022, a total of 383 outbreaks caused by Vibrio parahaemolyticus were reported by 90 CDCs in 11 prefectures of Zhejiang Province, resulting in 4,382 illnesses, 326 hospitalizations and 1 death. The main symptoms of the outbreak-related cases were diarrhea (95.18%), abdominal pain (89.23%), nausea (55.64%), vomiting (50.57%), fever (24.21%), etc. The outbreaks occurring between July and September accounted for 77.54% of all outbreaks (297 out of 383). Outbreaks associated with restaurants accounted for the majority (57.96%, 222/383) of all outbreaks, followed by those linked to staff canteens (15.40%, 59/383) and rural banquets (11.23%, 43/383). 31.85% of all outbreaks were associated with the consumption of aquatic products, while ready-to-eat foods such as Chinese cold dishes and cooked meat products accounted for 12.53% of all outbreaks. Serotype O3:K6 (81.94%, 118/144) was the predominant serotype responsible for outbreaks from 2010 to 2020, while serotype O10:K4 (57.89%, 33/57) was the predominant serotype from 2021 to 2022. Conclusion In-depth and comprehensive analysis of long-term surveillance data on Vibrio parahaemolyticus outbreaks is essential to gain insight into the epidemiological characteristics, identify long-term patterns and recent trends, and enable governments to prioritize interventions and develop targeted policies to mitigate such outbreaks.
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Lu D, Liu J, Liu H, Guo Y, Dai Y, Liang J, Chen L, Xu L, Fu P, Li N. Epidemiological Features of Foodborne Disease Outbreaks in Catering Service Facilities - China, 2010-2020. China CDC Wkly 2023; 5:479-484. [PMID: 37408617 PMCID: PMC10318556 DOI: 10.46234/ccdcw2023.091] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 05/29/2023] [Indexed: 07/07/2023] Open
Abstract
Introduction In terms of food preparation settings, catering service facilities have been identified as locations with the highest incidence of foodborne disease outbreaks in China. Since 2010, the China National Center for Food Safety Risk Assessment has established the Foodborne Disease Outbreak Surveillance System (FDOSS) to monitor foodborne disease outbreaks. Consequently, data from the FDOSS has provided a more accurate depiction of the epidemic characteristics of outbreaks within these facilities. Methods From 2010 to 2020, the FDOSS gathered data related to the prevalence of outbreaks, cases, hospitalizations, and deaths linked to foodborne disease outbreaks in catering service facilities. This study examined the temporal and geographical distribution, pathogenic factors, and contributing variables of these outbreaks over the course of the decade. Results From 2010 to 2020, China's catering service facilities reported 18,331 outbreaks, which resulted in 206,718 illnesses, 68,561 hospitalizations, and 201 deaths. The second and third quarters of the year accounted for 76.12% of the outbreaks and 72.93% of the cases. The primary pathogenic factors were pathogenic organisms, which caused 4,883 (26.64%) outbreaks, 94,047 (45.50%) cases, 32,170 (46.92%) hospitalizations, and 21 (10.45%) deaths. There were 5,607 (30.59%) outbreaks in restaurants, 2,876 (15.69%) outbreaks from street vendors, and 2,560 (13.97%) outbreaks in employee canteens in China. Conclusions The implementation of relevant control methods, including health education and promotion, is critical for addressing foodborne diseases in catering service facilities. Regular food safety training sessions for restaurant personnel and managers are essential to ensuring the effective management of these health risks.
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Affiliation(s)
- Donglei Lu
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Jikai Liu
- China National Center for Food Safety Risk Assessment, Beijing, China
| | - Hong Liu
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Yunchang Guo
- China National Center for Food Safety Risk Assessment, Beijing, China
| | - Yue Dai
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing City, Jiangsu Province, China
| | - Junhua Liang
- Guangdong Provincial Center for Disease Control and Prevention, Guangzhou City, Guangdong Province, China
| | - Lili Chen
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou City, Zhejiang Province, China
| | - Lizi Xu
- Anhui Provincial Center for Disease Control and Prevention, Hefei City, Anhui Province, China
| | - Ping Fu
- China National Center for Food Safety Risk Assessment, Beijing, China
| | - Ning Li
- China National Center for Food Safety Risk Assessment, Beijing, China
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