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Modesti M, Alfieri G, Chieffo C, Mencarelli F, Vannini A, Catalani A, Chilosi G, Bellincontro A. Destructive and non-destructive early detection of postharvest noble rot (Botrytis cinerea) in wine grapes aimed at producing high-quality wines. J Sci Food Agric 2024; 104:2314-2325. [PMID: 37950679 DOI: 10.1002/jsfa.13120] [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] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 11/07/2023] [Accepted: 11/11/2023] [Indexed: 11/13/2023]
Abstract
BACKGROUND Botrytis cinerea (Bc) is the causative agent of gray mold disease in wine grape bunches. Under particular climatic and edaphic conditions, typical of some wine regions, the grapes infected by this fungus can develop noble rot, the basic phenomenon for the production of sweet botrytized wines or some high-quality dry wines, such as Amarone. The possibility of early detection of noble rot on plants and at postharvest is an interesting option for managing botrytized wines. RESULTS The present work aimed at early detection of noble rot and monitoring its development, at postharvest, on Trebbiano wine grapes by means of destructive and non-destructive analytical approaches (e.g., electronic nose and near-infrared spectroscopy). The development of Bc led to substantial modifications in grape composition, including dehydration, biosynthesis, and accumulation of different compounds due to Bc metabolism, grape stress responses, or both. However, these modifications are appreciable, notably at advanced stages of infection. Consequently, a specific focus was to monitor the infection in the first 72 h post inoculation for testing, potentially through non-destructive technologies, and to identify the real early stages of Bc development. CONCLUSION The destructive chemical analyses performed over the 16 monitored days confirmed what is widely reported in the literature regarding the metabolic/compositional changes that occur following the development of Bc. Moreover, non-destructive technologies allowed us to identify the evolution of Bc, even at early stages of its presence. © 2023 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Margherita Modesti
- Department for Innovation in Biological, Agrofood and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | - Gianmarco Alfieri
- Department for Innovation in Biological, Agrofood and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | - Chiara Chieffo
- Department for Innovation in Biological, Agrofood and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | - Fabio Mencarelli
- Department of Agriculture Food and Environment (DAFE), University of Pisa, Pisa, Italy
| | - Andrea Vannini
- Department for Innovation in Biological, Agrofood and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | - Alessia Catalani
- Department for Innovation in Biological, Agrofood and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | - Gabriele Chilosi
- Department for Innovation in Biological, Agrofood and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | - Andrea Bellincontro
- Department for Innovation in Biological, Agrofood and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
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Tang X, Lai X, Zou C, Zhou Y, Zhu J, Zheng Y, Gao F. Detecting Abnormality of Battery Lifetime from First-Cycle Data Using Few-Shot Learning. Adv Sci (Weinh) 2024; 11:e2305315. [PMID: 38081795 PMCID: PMC10853708 DOI: 10.1002/advs.202305315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/26/2023] [Indexed: 02/10/2024]
Abstract
The service life of large battery packs can be significantly influenced by only one or two abnormal cells with faster aging rates. However, the early-stage identification of lifetime abnormality is challenging due to the low abnormal rate and imperceptible initial performance deviations. This work proposes a lifetime abnormality detection method for batteries based on few-shot learning and using only the first-cycle aging data. Verified with the largest known dataset with 215 commercial lithium-ion batteries, the method can identify all abnormal batteries, with a false alarm rate of only 3.8%. It is also found that any capacity and resistance-based approach can easily fail to screen out a large proportion of the abnormal batteries, which should be given enough attention. This work highlights the opportunities to diagnose lifetime abnormalities via "big data" analysis, without requiring additional experimental effort or battery sensors, thereby leading to extended battery life, increased cost-benefit, and improved environmental friendliness.
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Affiliation(s)
- Xiaopeng Tang
- Dept. Chemical and Biological EngineeringHong Kong University of Science and TechnologyClear Water BayKowloonHong KongSAR 999077China
- Science UnitLingnan UniversityTuen MunHong KongSAR 999077China
| | - Xin Lai
- School of Mechanical EngineeringUniversity of Shanghai for Science and TechnologyShanghai200093China
| | - Changfu Zou
- Department of Electrical EngineeringChalmers University of TechnologyGothenburg41296Sweden
| | - Yuanqiang Zhou
- Dept. Chemical and Biological EngineeringHong Kong University of Science and TechnologyClear Water BayKowloonHong KongSAR 999077China
| | - Jiajun Zhu
- School of Mechanical EngineeringUniversity of Shanghai for Science and TechnologyShanghai200093China
| | - Yuejiu Zheng
- School of Mechanical EngineeringUniversity of Shanghai for Science and TechnologyShanghai200093China
| | - Furong Gao
- Dept. Chemical and Biological EngineeringHong Kong University of Science and TechnologyClear Water BayKowloonHong KongSAR 999077China
- Guangzhou HKUST Fok Ying Tung Research InstituteGuangzhouGuangdong511458China
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Nair P, Shojaei Baghini M, Pendharkar G, Chung H. Detecting early-stage Parkinson's disease from gait data. Proc Inst Mech Eng H 2023; 237:1287-1296. [PMID: 37916586 DOI: 10.1177/09544119231197090] [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] [Indexed: 11/03/2023]
Abstract
Parkinson's disease is a chronic and progressive neurodegenerative disorder with an estimated 10 million people worldwide living with PD. Since early signs are benign, many patients go undiagnosed until the symptoms get severe and the treatment becomes more difficult. The symptoms start intermittently and gradually become continuous as the disease progresses. In order to detect and classify these minute differences between gaits in early PD patients, we propose to use dynamic time warping (DTW). For a given set of gait data from a patient, the DTW algorithm computes the difference between any two gait cycles in the form of a warping path, which reveals small time differences between gait cycles. Once the time-warping information between all possible pairs of gait cycles is used as the main source of gait features, K-means clustering is used to extract the final features. These final features are fed to a simple logistic regression to easily and successfully detect early PD symptoms, which was reported as challenging using conventional statistical features. In addition, the use of DTW ensures that the obtained results are not affected by the differences in the style and speed of walking of a subject. Our approach is validated for the gait data from 83 subjects at early stages of PD, 10 subjects at moderate stages of PD, and 73 controls using the Leave-One-Out and N-fold cross-validation techniques, with a detection accuracy of over 98%. The high classification accuracy validated from a large data set suggests that these new features from DTW can be effectively used to help clinicians diagnose the disease at the earliest. Even though PD is not completely curable, early diagnosis would help clinicians to start the treatment from the beginning thereby reducing the intensity of symptoms at later stages.
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Affiliation(s)
- Parvathy Nair
- IITB-Monash Research Academy, Mumbai, Maharashtra, India
- IIT Bombay, Mumbai, Maharashtra, India
- Monash University, Clayton, VIC, Australia
| | | | | | - Hoam Chung
- Monash University, Clayton, VIC, Australia
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Shoukat A, Akbar S, Hassan SA, Iqbal S, Mehmood A, Ilyas QM. Automatic Diagnosis of Glaucoma from Retinal Images Using Deep Learning Approach. Diagnostics (Basel) 2023; 13:diagnostics13101738. [PMID: 37238222 DOI: 10.3390/diagnostics13101738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/04/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
Glaucoma is characterized by increased intraocular pressure and damage to the optic nerve, which may result in irreversible blindness. The drastic effects of this disease can be avoided if it is detected at an early stage. However, the condition is frequently detected at an advanced stage in the elderly population. Therefore, early-stage detection may save patients from irreversible vision loss. The manual assessment of glaucoma by ophthalmologists includes various skill-oriented, costly, and time-consuming methods. Several techniques are in experimental stages to detect early-stage glaucoma, but a definite diagnostic technique remains elusive. We present an automatic method based on deep learning that can detect early-stage glaucoma with very high accuracy. The detection technique involves the identification of patterns from the retinal images that are often overlooked by clinicians. The proposed approach uses the gray channels of fundus images and applies the data augmentation technique to create a large dataset of versatile fundus images to train the convolutional neural network model. Using the ResNet-50 architecture, the proposed approach achieved excellent results for detecting glaucoma on the G1020, RIM-ONE, ORIGA, and DRISHTI-GS datasets. We obtained a detection accuracy of 98.48%, a sensitivity of 99.30%, a specificity of 96.52%, an AUC of 97%, and an F1-score of 98% by using the proposed model on the G1020 dataset. The proposed model may help clinicians to diagnose early-stage glaucoma with very high accuracy for timely interventions.
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Affiliation(s)
- Ayesha Shoukat
- Department of Computer Science, Riphah International University, Faisalabad Campus, Faisalabad 44000, Pakistan
| | - Shahzad Akbar
- Department of Computer Science, Riphah International University, Faisalabad Campus, Faisalabad 44000, Pakistan
| | - Syed Ale Hassan
- Department of Computer Science, Riphah International University, Faisalabad Campus, Faisalabad 44000, Pakistan
| | - Sajid Iqbal
- Department of Information Systems, College of Computer Sciences and Information Technology, King Faisal University, Al Ahsa 31982, Saudi Arabia
| | - Abid Mehmood
- Department of Management Information Systems, College of Business Administration, King Faisal University, Al Ahsa 31982, Saudi Arabia
| | - Qazi Mudassar Ilyas
- Department of Information Systems, College of Computer Sciences and Information Technology, King Faisal University, Al Ahsa 31982, Saudi Arabia
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Dunton CJ, Hutchcraft ML, Bullock RG, Northrop LE, Ueland FR. Salvaging Detection of Early-Stage Ovarian Malignancies When CA125 Is Not Informative. Diagnostics (Basel) 2021; 11:diagnostics11081440. [PMID: 34441373 PMCID: PMC8394730 DOI: 10.3390/diagnostics11081440] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/02/2021] [Accepted: 08/06/2021] [Indexed: 11/29/2022] Open
Abstract
Background: Ovarian cancer is the deadliest gynecologic cancer, with no recommended screening test to assist with early detection. Cancer antigen 125 (CA125) is a serum biomarker commonly used by clinicians to assess preoperative cancer risk, but it underperforms in premenopausal women, early-stage malignancies, and several histologic subtypes. OVA1 is a multivariate index assay that combines CA125 and four other serum proteins to assess the malignant risk of an adnexal mass. Objective: To evaluate the performance of OVA1 in a cohort of patients with low-risk serum CA125 values. Study Design: We analyzed patient data from previous collections (N = 2305, prevalence = 4.5%) where CA125 levels were at or below 67 units/milliliter (U/mL) for pre-menopausal women and 35 U/mL for post-menopausal women. We compare the performance of OVA1 to CA125 in classifying the risk of malignancy in this cohort, including sensitivity, specificity, positive and negative predictive values. Results: The overall sensitivity of OVA1 in patients with a low-risk serum CA125 was 59% with a false-positive rate of 30%. OVA1 detected over 50% of ovarian malignancies in premenopausal women despite a low-risk serum CA125. OVA1 also correctly identified 63% of early-stage cancers missed by CA125. The most common epithelial ovarian cancer subtypes in the study population were mucinous (25%) and serous (23%) carcinomas. Despite a low-risk CA125, OVA1 successfully detected 83% of serous, 58% of mucinous, and 50% of clear cell ovarian cancers. Conclusions: As a standalone test, CA125 misses a significant number of ovarian malignancies that can be detected by OVA1. This is particularly important for premenopausal women and early-stage cancers, which have a much better long-term survival than late-stage malignancies. Using OVA1 in the setting of a normal serum CA125 can help identify at-risk ovarian tumors for referral to a gynecologic oncologist, potentially improving overall survival.
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Affiliation(s)
- Charles J. Dunton
- Aspira Women’s Health, Inc., 12117 Bee Caves Road, Building III, Suite 100, Austin, TX 78738, USA; (C.J.D.); (L.E.N.)
- The Women’s Hospital, Evansville, IN 47630, USA
| | - Megan L. Hutchcraft
- Division of Gynecologic Oncology, University of Kentucky Markey Cancer Center, Lexington, KY 40536, USA; (M.L.H.); (F.R.U.)
| | - Rowan G. Bullock
- Aspira Women’s Health, Inc., 12117 Bee Caves Road, Building III, Suite 100, Austin, TX 78738, USA; (C.J.D.); (L.E.N.)
- Correspondence: ; Tel.: +1-(512)-519-0408
| | - Lesley E. Northrop
- Aspira Women’s Health, Inc., 12117 Bee Caves Road, Building III, Suite 100, Austin, TX 78738, USA; (C.J.D.); (L.E.N.)
| | - Frederick R. Ueland
- Division of Gynecologic Oncology, University of Kentucky Markey Cancer Center, Lexington, KY 40536, USA; (M.L.H.); (F.R.U.)
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