keyword
https://read.qxmd.com/read/38537103/a-wind-bell-inspired-triboelectric-nanogenerator-for-extremely-low%C3%A2-speed-and-omnidirectional-wind-energy-harvesting
#1
JOURNAL ARTICLE
Jinlong Huang, Jiang Shao, Wei Zhong, Chao Sun, Gengchen Zhang, Longyi Chen, Jiwen Fang, Chong Li, Jia Wang, Xiaoming Feng, Lijun Zhou, Hongliang Mi, Jiawei Chen, Xiaohong Dong, Xue Liu
As one of the most promising renewable energies, wind energy is abundant in the natural environment. However, it is still challenging to effectively collect wind energy because of its variable wind speed and unpredictable direction. Here, a triboelectric nanogenerator, which is inspired by ancient Chinese wind bells, has been developed to collect energy from variable-speed and multi-directional wind. The wind-bell-inspired triboelectric nanogenerator (W-TENG) has the capability to generate electricity even at a very low wind speed of 0...
March 27, 2024: Small Methods
https://read.qxmd.com/read/38537045/digital-analysis-of-unilateral-ptosis-repair-external-levator-advancement-vs-m%C3%A3-ller-s-muscle-conjunctival-resection
#2
JOURNAL ARTICLE
Serdar Bilici, Tomurcuk Harbigil-Sever, Suat Hayri Ugurbas
PURPOSE: Evaluation of lid contour and marginal peak point changes to compare outcomes of external levator advancement and Miiller's muscle conjunctival resection surgery in unilateral ptosis. METHODS: We reviewed the charts of unilateral ptosis patients who underwent external levator advancement or Miiller's muscle conjunctival resection. Eyelid contour analysis was conducted on preoperative and 6-month postoperative digital images. This was performed with the multiple margin reflex distances technique, measuring the vertical distance from a line intersecting the center of the pupil to the eyelid margin at 10 positions at 2 mm intervals...
2024: Arquivos Brasileiros de Oftalmologia
https://read.qxmd.com/read/38537042/saccadic-movements-during-an-exploratory-visual-search-task-in-patients-with-glaucomatous-visual-field-loss
#3
JOURNAL ARTICLE
Mirella Almeida Oliveira, Cassia Senger, Raquel Pantojo Souza, Carlos Gustavo de Moraes, André Messias, Jayter Silva Paula
PURPOSE: To evaluate the saccadic movements of patients with visual field loss due to primary open-angle glaucoma. METHODS: Thirteen patients with good visual acuity (0.2 logMAR or better) (seven patients with primary open-angle glaucoma 65 ± 13 years) and six controls (51 ± 6 years) yielded a comprehensive ophthalmological examination, including Humphrey Visual Field tests (SITA-Standard 24-2), and performed a monocular, exploratory digital visual search task that quantifies the duration for finding the number "4" on a random array of digits distributed on the screen...
2024: Arquivos Brasileiros de Oftalmologia
https://read.qxmd.com/read/38537013/assessing-peri-implant-bone-microarchitecture-conventional-vs-osseodensification-drilling-ex-vivo-analysis
#4
JOURNAL ARTICLE
Breno Fortes Bittar, Bruno Salles Sotto-Maior, Karina Lopes Devito, Gustavo Davi Rabelo, Alessandra Silveira Machado, Ricardo Tadeu Lopes, Neuza Maria Souza Picorelli Assis
The aim was to evaluate primary implant stability and bone microarchitecture in two drilling situations, by comparing the conventional technique (CT) and osseodensification (OD) (Versah Burs - Jackson - Mississippi - USA). The implant insertion torque (IT), implant stability quotient (ISQ), and the peri-implant trabecular microstructure were assessed on bone fragments obtained from pig's tibia (n=12), divided between CT (n=6) and OD (n=6). After the drilling procedure, the implants were installed (3.5x8.5 mm, Epikut - SIN - São Paulo - Brazil)...
2024: Brazilian Dental Journal
https://read.qxmd.com/read/38537012/effect-of-composite-radiopacity-and-margin-location-of-the-restoration-on-the-diagnosis-of-secondary-caries
#5
JOURNAL ARTICLE
Farzaneh Mosavat, Elham Ahmadi, Faezeh Aghajani, Saeed Ramezani
This research aimed to evaluate the effect of the radiopacity of a Bulk-Fill composite (X-TraFil, VOCO, Germany) and a Conventional composite (P60, 3M ESPE, USA) and assessment of the margin location in the enamel and dentin on the diagnosis of secondary caries. 76 intact premolars with MOD preparation were divided into two equal groups and filled with the conventional and bulk-fill composite. Four regions were considered to simulate carious lesions (two regions in enamel and two regions in dentin). In each group, half of the regions in the dentin and half in the enamel were randomly selected for secondary caries simulation and filled with a wax-plaster combination while the remaining regions stayed intact...
2024: Brazilian Dental Journal
https://read.qxmd.com/read/38536995/in-office-dental-bleaching-in-adolescents-using-6-hydrogen-peroxide-with-and-without-gingival-barrier-a-randomized-double-blind-clinical-trial
#6
JOURNAL ARTICLE
Taynara de Souza Carneiro, Michael Willian Favoreto, João Pedro Ferreira Rodrigues, Elisama Sutil, Gabrielle Gomes Centenaro, Isabela de Matos de Freitas, Alessandra Reis, Laura Ceballos García, Alessandro Dourado Loguercio
BACKGROUND: At low concentrations used for in-office bleaching gels, such as 6% HP, gingival barrier continues to be performed. If we take into account that, in the at-home bleaching technique, no barrier is indicated, it seems that the use of a gingival barrier fails to make much sense when bleaching gel in low concentration is used for in-office bleaching. OBJECTIVE: This double-blind, split-mouth, randomized clinical trial evaluated the gingival irritation (GI) of in-office bleaching using 6% hydrogen peroxide (HP) with and without a gingival barrier in adolescents, as well as color change and the impact of oral condition on quality of life...
2024: Journal of Applied Oral Science: Revista FOB
https://read.qxmd.com/read/38536890/experts-views-on-translating-nhs-support-to-stop-smoking-in-pregnancy-into-a-comprehensive-digital-intervention
#7
JOURNAL ARTICLE
Lisa McDaid, Pippa Belderson, Joanne Emery, Tim Coleman, Jo Leonardi-Bee, Felix Naughton
Many pregnant smokers need support to quit successfully. In the United Kingdom, trained smoking cessation advisors deliver structured behavioural counselling alongside access to free nicotine replacement therapy (NRT); known as the 'Standard Treatment Programme' (STP). Pregnant smokers who access STP support are more likely to quit, but uptake is low. A digital intervention could be offered as an adjunct or alternative to existing STP support to increase cessation rates. However, there are few pregnancy-specific digital options routinely available and, among those that are, there is limited evidence of their effectiveness...
March 2024: PLOS Digit Health
https://read.qxmd.com/read/38536867/evaluating-spatially-enabled-machine-learning-approaches-to-depth-to-bedrock-mapping-alberta-canada
#8
JOURNAL ARTICLE
Steven M Pawley, Lisa Atkinson, Daniel J Utting, Gregory M D Hartman, Nigel Atkinson
Maps showing the thickness of sediments above the bedrock (depth to bedrock, or DTB) are important for many geoscience studies and are necessary for many hydrogeological, engineering, mining, and forestry applications. However, it can be difficult to accurately estimate DTB in areas with varied topography, like lowland and mountainous terrain, because traditional methods of predicting bedrock elevation often underestimate or overestimate the elevation in rugged or incised terrain. Here, we describe a machine learning spatial prediction approach that uses information from traditional digital elevation model derived estimates of terrain morphometry and satellite imagery, augmented with spatial feature engineering techniques to predict DTB across Alberta, Canada...
2024: PloS One
https://read.qxmd.com/read/38536852/barriers-and-facilitators-to-parents-engagement-with-and-perceived-impact-of-a-childhood-obesity-app-a-mixed-methods-study
#9
JOURNAL ARTICLE
Madison Milne-Ives, Em Rahman, Hannah Bradwell, Rebecca Baines, Timothy Boey, Alison Potter, Wendy Lawrence, Michelle Helena van Velthoven, Edward Meinert
Childhood obesity is a growing global health concern. Although mobile health apps have the potential to deliver behavioural interventions, their impact is commonly limited by a lack of sufficient engagement. The purpose of this study was to explore barriers and facilitators to engagement with a family-focused app and its perceived impact on motivation, self-efficacy, and behaviour. Parents with at least one child under 18 and healthcare professionals working with children were recruited; all participants were allocated to use the NoObesity app over a 6-month period...
March 2024: PLOS Digit Health
https://read.qxmd.com/read/38536742/effectiveness-of-simulation-models-and-digital-alternatives-in-training-ophthalmoscopy-a-systematic-review
#10
JOURNAL ARTICLE
Benjamin Paik, Nicole Tze-Yan Ngai, Jess Rhee, Kendrick Co Shih, Khyber Alam, Louis Tong
PURPOSE: Traditional direct ophthalmoscopy (TDO) is the oldest method of fundus examination; however, it has fallen out of use due to its technical difficulty and limitations to clinical utility, amidst the advent of potentially better options. A spectrum of new technologies may help in addressing the shortcomings of TDO: simulation mannequins with non-tracked TDO, simulation models with tracked TDO, and smartphone ophthalmoscopy (SFO). METHODOLOGY: A systematic search of PubMed, Embase, and Cochrane databases for all studies evaluating usage of simulation mannequins/models and SFO in ophthalmology education was performed, from inception till April 2023 with no language restriction...
March 27, 2024: Medical Teacher
https://read.qxmd.com/read/38536588/image-quality-enhancement-for-digital-breast-tomosynthesis-high-density-object-artifact-reduction
#11
JOURNAL ARTICLE
Enxiang Shen, Caozhe Li, Kanglian Zhao, Jie Yuan, Paul Carson
Breast cancer has a high incidence and mortality rate among women, early diagnosis is essential as it gives insight regarding the most appropriate therapeutic strategy for each case. Among all imaging diagnostic methods, digital breast tomosynthesis (DBT) is effective for early breast cancer detection. In DBT images, high-density object artifacts are generated when imaging objects with high X-ray absorptivity, which include metal artifacts, ripple artifacts, and deformation artifacts. In this study, we analyze the causes of these artifacts and propose a set of high-density object reconstruction methods based on iterative algorithms...
March 27, 2024: J Imaging Inform Med
https://read.qxmd.com/read/38536577/can-artificial-intelligence-detect-type-2-diabetes-in-women-by-evaluating-the-pectoral-muscle-on-tomosynthesis-diagnostic-study
#12
JOURNAL ARTICLE
Meltem M Yashar, Ilayda Begum Izci, Fatma Zeynep Gungoren, Abdulkadir A Eren, Ali A Mert, Irmak I Durur-Subasi
OBJECTIVES: This retrospective single-center analysis aimed to evaluate whether artificial intelligence can detect type 2 diabetes mellitus by evaluating the pectoral muscle on digital breast tomosynthesis (DBT). MATERIAL METHOD: An analysis of 11,594 DBT images of 287 consecutive female patients (mean age 60, range 40-77 years) was conducted using convolutional neural networks (EfficientNetB5). The inclusion criterion was left-sided screening images with unsuspicious interpretation who also had a current glycosylated hemoglobin A1c (HBA1c) % value...
March 27, 2024: Insights Into Imaging
https://read.qxmd.com/read/38536566/quality-assurance-of-3d-printed-patient-specific-anatomical-models-a-systematic-review
#13
JOURNAL ARTICLE
Martin Schulze, Lukas Juergensen, Robert Rischen, Max Toennemann, Gregor Reischle, Jan Puetzler, Georg Gosheger, Julian Hasselmann
BACKGROUND: The responsible use of 3D-printing in medicine includes a context-based quality assurance. Considerable literature has been published in this field, yet the quality of assessment varies widely. The limited discriminatory power of some assessment methods challenges the comparison of results. The total error for patient specific anatomical models comprises relevant partial errors of the production process: segmentation error (SegE), digital editing error (DEE), printing error (PrE)...
March 27, 2024: 3D Printing in Medicine
https://read.qxmd.com/read/38536535/association-of-lower-extremity-peripheral-arterial-disease-with-quantitative-muscle-features-from-computed-tomography-angiography
#14
JOURNAL ARTICLE
Ge Hu, Yuexin Chen, Chunlin Mu, Xinyue Zhang, Yun Wang, Yining Wang, Huadan Xue, Daming Zhang, Zhengyu Jin
OBJECTIVES: To explore the association between lower extremity muscle features from CTA and peripheral arterial disease (PAD) severity using digital subtraction angiography (DSA) as reference standard. METHODS: Informed consent was waived for this Institutional Review Board approved retrospective study. PAD patients were recruited from July 2016 to September 2020. Two radiologists evaluated PAD severity on DSA and CTA using runoff score. The patients were divided into two groups: mild PAD (DSA score ≤ 7) vs...
March 27, 2024: Insights Into Imaging
https://read.qxmd.com/read/38536235/decentralizing-health-care-history-and-opportunities-of-web3
#15
JOURNAL ARTICLE
Aditya Narayan, Kydo Weng, Nirav Shah
This paper explores the relationship between the development of the internet and health care, highlighting their parallel growth and mutual influence. It delves into the transition from the early, static days of Web 1.0, akin to siloed physician expertise in health care, to the more interactive and patient-centric era of Web 2.0, which was accompanied by advancements in medical technologies and patient engagement. This paper then focuses on the emerging era of Web3-the decentralized web-which promises a transformative shift in health care, particularly in how patient data are managed, accessed, and used...
March 27, 2024: JMIR Formative Research
https://read.qxmd.com/read/38536234/target-product-profile-for-a-machine-learning-automated-retinal-imaging-analysis-software-for-use-in-english-diabetic-eye-screening-protocol-for-a-mixed-methods-study
#16
JOURNAL ARTICLE
Trystan Macdonald, Jacqueline Dinnes, Gregory Maniatopoulos, Sian Taylor-Phillips, Bethany Shinkins, Jeffry Hogg, John Kevin Dunbar, Ameenat Lola Solebo, Hannah Sutton, John Attwood, Michael Pogose, Rosalind Given-Wilson, Felix Greaves, Carl Macrae, Russell Pearson, Daniel Bamford, Adnan Tufail, Xiaoxuan Liu, Alastair K Denniston
BACKGROUND: Diabetic eye screening (DES) represents a significant opportunity for the application of machine learning (ML) technologies, which may improve clinical and service outcomes. However, successful integration of ML into DES requires careful product development, evaluation, and implementation. Target product profiles (TPPs) summarize the requirements necessary for successful implementation so these can guide product development and evaluation. OBJECTIVE: This study aims to produce a TPP for an ML-automated retinal imaging analysis software (ML-ARIAS) system for use in DES in England...
March 27, 2024: JMIR Research Protocols
https://read.qxmd.com/read/38536231/assessment-of-the-barriers-and-enablers-of-the-use-of-mhealth-systems-in-sub-saharan-africa-according-to-the-perceptions-of-patients-physicians-and-health-care-executives-in-ethiopia-qualitative-study
#17
JOURNAL ARTICLE
Genet Tadese Aboye, Gizeaddis Lamesgin Simegn, Jean-Marie Aerts
BACKGROUND: Digital technologies are increasingly being used to deliver health care services and promote public health. Mobile wireless technologies or mobile health (mHealth) technologies are particularly relevant owing to their ease of use, broad reach, and wide acceptance. Unlike developed countries, Sub-Saharan Africa experiences more challenges and obstacles when it comes to deploying, using, and expanding mHealth systems. In addition to barriers, there are enabling factors that could be exploited for the design, implementation, and scaling up of mHealth systems...
March 27, 2024: Journal of Medical Internet Research
https://read.qxmd.com/read/38536228/digital-alcohol-interventions-could-be-part-of-the-societal-response-to-harmful-consumption-but-we-know-little-about-their-long-term-costs-and-health-outcomes
#18
JOURNAL ARTICLE
Katarina Ulfsdotter Gunnarsson, Martin Henriksson, Marcus Bendtsen
Alcohol consumption causes both physical and psychological harm and is a leading risk factor for noncommunicable diseases. Digital alcohol interventions have been found to support those looking for help by giving them tools for change. However, whether digital interventions can help tackle the long-term societal consequences of harmful alcohol consumption in a cost-effective manner has not been adequately evaluated. In this Viewpoint, we propose that studies of digital alcohol interventions rarely evaluate the consequences of wider dissemination of the intervention under study, and that when they do, they do not take advantage of modeling techniques that allow for appropriately studying consequences over a longer time horizon than the study period when the intervention is tested...
March 27, 2024: Journal of Medical Internet Research
https://read.qxmd.com/read/38536225/effectiveness-of-the-minder-mobile-mental-health-and-substance-use-intervention-for-university-students-randomized-controlled-trial
#19
JOURNAL ARTICLE
Melissa Vereschagin, Angel Y Wang, Chris G Richardson, Hui Xie, Richard J Munthali, Kristen L Hudec, Calista Leung, Katharine D Wojcik, Lonna Munro, Priyanka Halli, Ronald C Kessler, Daniel V Vigo
BACKGROUND: University attendance represents a transition period for students that often coincides with the emergence of mental health and substance use challenges. Digital interventions have been identified as a promising means of supporting students due to their scalability, adaptability, and acceptability. Minder is a mental health and substance use mobile app that was codeveloped with university students. OBJECTIVE: This study aims to examine the effectiveness of the Minder mobile app in improving mental health and substance use outcomes in a general population of university students...
March 27, 2024: Journal of Medical Internet Research
https://read.qxmd.com/read/38536220/benchmarking-mental-health-status-using-passive-sensor-data-protocol-for-a-prospective-observational-study
#20
JOURNAL ARTICLE
Robyn E Kilshaw, Abigail Boggins, Olivia Everett, Emma Butner, Feea R Leifker, Brian R W Baucom
BACKGROUND: Computational psychiatry has the potential to advance the diagnosis, mechanistic understanding, and treatment of mental health conditions. Promising results from clinical samples have led to calls to extend these methods to mental health risk assessment in the general public; however, data typically used with clinical samples are neither available nor scalable for research in the general population. Digital phenotyping addresses this by capitalizing on the multimodal and widely available data created by sensors embedded in personal digital devices (eg, smartphones) and is a promising approach to extending computational psychiatry methods to improve mental health risk assessment in the general population...
March 27, 2024: JMIR Research Protocols
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