keyword
https://read.qxmd.com/read/38602375/tracking-moisture-contents-in-the-pollution-layer-on-a-composite-insulator-surface-using-hyperspectral-imaging-technology
#21
JOURNAL ARTICLE
Changjie Xia, Ming Ren, Runyu Liu, Zhili Tian, Meiyan Song, Ming Dong, Tao Zhang, Jin Miao
Electrical insulators used in transmission lines and outdoor substations are exposed to severe environmental pollution, which significantly increases the risk of power system failure, especially when the pollution layer is highly humid due to adverse weather conditions. The focus of this paper is to establish an effective method for assessing the moisture content (MC) in pollution layers as it serves as a crucial indicator for evaluating the risk of failure in insulators. Hyperspectral imaging (HSI) technology with a spectral range of 371...
April 11, 2024: Analyst
https://read.qxmd.com/read/38598653/pathophysiologic-mapping-of-chronic-liver-diseases-with-longitudinal-multiparametric-mri-in-animal-models
#22
JOURNAL ARTICLE
Ferhan Baskaya, Teresa Lemainque, Barbara Klinkhammer, Susanne Koletnik, Saskia von Stillfried, Steven R Talbot, Peter Boor, Volkmar Schulz, Wiltrud Lederle, Fabian Kiessling
OBJECTIVES: Chronic liver diseases (CLDs) have diverse etiologies. To better classify CLDs, we explored the ability of longitudinal multiparametric MRI (magnetic resonance imaging) in depicting alterations in liver morphology, inflammation, and hepatocyte and macrophage activity in murine high-fat diet (HFD)- and carbon tetrachloride (CCl4)-induced CLD models. MATERIALS AND METHODS: Mice were either untreated, fed an HFD for 24 weeks, or injected with CCl4 for 8 weeks...
April 10, 2024: Investigative Radiology
https://read.qxmd.com/read/38598345/pharmacological-expansion-of-type-2-alveolar-epithelial-cells-promotes-regenerative-lower-airway-repair
#23
JOURNAL ARTICLE
Sida Shao, Nan Zhang, Gregory P Specht, Shaochen You, Lirui Song, Qiangwei Fu, David Huang, Hengyao You, Jian Shu, Alain Domissy, Shuangwei Li, Van Nguyen-Tran, Sean B Joseph, Arnab K Chatterjee, Jeffrey Jian Chen, Peter G Schultz, Michael J Bollong
Type 2 alveolar epithelial cells (AEC2s) are stem cells in the adult lung that contribute to lower airway repair. Agents that promote the selective expansion of these cells might stimulate regeneration of the compromised alveolar epithelium, an etiology-defining event in several pulmonary diseases. From a high-content imaging screen of the drug repurposing library ReFRAME, we identified that dipeptidyl peptidase 4 (DPP4) inhibitors, widely used type 2 diabetes medications, selectively expand AEC2s and are broadly efficacious in several mouse models of lung damage...
April 16, 2024: Proceedings of the National Academy of Sciences of the United States of America
https://read.qxmd.com/read/38597232/sulphate-resistance-of-low-clinker-engineered-cementitious-composites-examined-by-microxrf-imaging
#24
JOURNAL ARTICLE
Connor Szeto, Kimberly E Kurtis
Engineered cementitious composites (ECC) are a class of high-performing fibre-reinforced cementitious materials recognised for their increased ductility and durability compared to conventional cement-based materials, owing to their autogenously controlled tight crack widths, even when subjected to high strains. To reduce ECC's environmental impact, this research examines the use of a low-clinker binder - limestone-calcined clay cement (LC3) - as an alternative to portland cement (PC), along with fly ash to further reduce the clinker proportion and the embodied CO2 of the formulations...
April 10, 2024: Journal of Microscopy
https://read.qxmd.com/read/38594756/body-composition-and-body-fat-distribution-in-tissue-specific-insulin-resistance-and-in-response-to-a-12-week-isocaloric-dietary-macronutrient-intervention
#25
JOURNAL ARTICLE
Inez Trouwborst, Kelly M Jardon, Anouk Gijbels, Gabby Hul, Edith J M Feskens, Lydia A Afman, Jennifer Linge, Gijs H Goossens, Ellen E Blaak
BACKGROUND: Body composition and body fat distribution are important predictors of cardiometabolic diseases. The etiology of cardiometabolic diseases is heterogenous, and partly driven by inter-individual differences in tissue-specific insulin sensitivity. OBJECTIVES: To investigate (1) the associations between body composition and whole-body, liver and muscle insulin sensitivity, and (2) changes in body composition and insulin sensitivity and their relationship after a 12-week isocaloric diet high in mono-unsaturated fatty acids (HMUFA) or a low-fat, high-protein, high-fiber (LFHP) diet...
April 9, 2024: Nutrition & Metabolism
https://read.qxmd.com/read/38594327/image-based-consensus-molecular-subtyping-in-rectal-cancer-biopsies-and-response-to-neoadjuvant-chemoradiotherapy
#26
JOURNAL ARTICLE
Maxime W Lafarge, Enric Domingo, Korsuk Sirinukunwattana, Ruby Wood, Leslie Samuel, Graeme Murray, Susan D Richman, Andrew Blake, David Sebag-Montefiore, Simon Gollins, Eckhard Klieser, Daniel Neureiter, Florian Huemer, Richard Greil, Philip Dunne, Philip Quirke, Lukas Weiss, Jens Rittscher, Tim Maughan, Viktor H Koelzer
The development of deep learning (DL) models to predict the consensus molecular subtypes (CMS) from histopathology images (imCMS) is a promising and cost-effective strategy to support patient stratification. Here, we investigate whether imCMS calls generated from whole slide histopathology images (WSIs) of rectal cancer (RC) pre-treatment biopsies are associated with pathological complete response (pCR) to neoadjuvant long course chemoradiotherapy (LCRT) with single agent fluoropyrimidine. DL models were trained to classify WSIs of colorectal cancers stained with hematoxylin and eosin into one of the four CMS classes using a multi-centric dataset of resection and biopsy specimens (n = 1057 WSIs) with paired transcriptional data...
April 9, 2024: NPJ Precision Oncology
https://read.qxmd.com/read/38593543/smartphone-based-digital-image-colorimetry-for-the-determination-of-total-capsaicinoid-content-in-chili-pepper-extracts
#27
JOURNAL ARTICLE
Christina Vakh, Zarina Mallabaeva, Marek Tobiszewski
A simple smartphone-based digital image colorimetry was proposed for the determination of total capsaicinoid content and the assessment of chili pepper pungency. The biobased solvent D-limonene was used for the first time to isolate analytes. Capsaicinoids were efficiently separated from chili pepper by solid-liquid extraction with D-limonene followed by partitioning of the analytes into the ammonium hydroxide solution to eliminate the matrix interference effect. For colorimetric detection of total capsaicinoid content, a selective chromogenic reaction was performed using Gibbs reagent (2,6-dichloroquinone-4-chloroimide)...
April 3, 2024: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://read.qxmd.com/read/38593127/lagswin-local-attention-guided-swin-transformer-for-thermal-infrared-sports-object-detection
#28
JOURNAL ARTICLE
Hengran Meng, Shuqi Si, Bingfei Mao, Jia Zhao, Liping Wu
Compared with visible light images, thermal infrared images have poor resolution, low contrast, signal-to-noise ratio, blurred visual effects, and less information. Thermal infrared sports target detection methods relying on traditional convolutional networks capture the rich semantics in high-level features but blur the spatial details. The differences in physical information content and spatial distribution of high and low features are ignored, resulting in a mismatch between the region of interest and the target...
2024: PloS One
https://read.qxmd.com/read/38591635/effect-of-graphene-on-the-performance-of-silicon-carbon-composite-anode-materials-for-lithium-ion-batteries
#29
JOURNAL ARTICLE
Chengyuan Ni, Chengdong Xia, Wenping Liu, Wei Xu, Zhiqiang Shan, Xiaoxu Lei, Haiqing Qin, Zhendong Tao
(Si/graphite)@C and (Si/graphite/graphene)@C were synthesized by coating asphalt-cracked carbon on the surface of a Si-based precursor by spray drying, followed by heat treatment at 1000 °C under vacuum for 2h. The impact of graphene on the performance of silicon-carbon composite-based anode materials for lithium-ion batteries (LIBs) was investigated. Transmission electron microscopy (TEM) and selected area electron diffraction (SAED) images of (Si/graphite/graphene)@C showed that the nano-Si and graphene particles were dispersed on the surface of graphite, and thermogravimetric analysis (TGA) curves indicated that the content of silicon in the (Si/graphite/graphene)@C was 18...
February 4, 2024: Materials
https://read.qxmd.com/read/38589900/bridging-the-gap-understanding-belgian-anesthesiologists-proficiency-and-training-demands-in-gastric-point-of-care-ultrasound-a-case-based-survey
#30
JOURNAL ARTICLE
Adrien Maseri, Quentin Delhez, Anne-Sophie Dincq, Dominique Lacrosse
BACKGROUND: Pulmonary aspiration syndrome remains a significant complication of general anesthesia, particularly in unfasted patients. Gastric point-of-care ultrasound (POCUS) allows for both qualitative and quantitative assessment of gastric content, providing a safe and reliable method to assess gastric emptying and reduce the risk of aspiration during general anesthesia. METHODS: The survey was distributed to Belgian certified anesthesiologists and trainees between April 2020 and June 2021...
April 8, 2024: BMC Medical Education
https://read.qxmd.com/read/38587392/influenza-c-virus-susceptibility-to-antivirals-with-different-mechanisms-of-action
#31
JOURNAL ARTICLE
Anton Chesnokov, Andrei A Ivashchenko, Yoko Matsuzaki, Emi Takashita, Vasiliy P Mishin, Alexandre V Ivachtchenko, Larisa V Gubareva
Antiviral susceptibility of influenza viruses was assessed using a high-content imaging-based neutralization test. Cap-dependent endonuclease inhibitors, baloxavir and AV5116, were superior to AV5115 against type A viruses, and AV5116 was most effective against PA mutants tested. However, these three inhibitors displayed comparable activity (EC50 8-22 nM) against type C viruses from six lineages. Banana lectin and a monoclonal antibody, YA3, targeting the hemagglutinin-esterase protein effectively neutralized some, but not all, type C viruses...
April 8, 2024: Antimicrobial Agents and Chemotherapy
https://read.qxmd.com/read/38583886/the-correlation-of-sarcopenia-and-adverse-events-of-imatinib-therapy-postoperatively-in-gastrointestinal-stromal-tumor-through-computed-tomography-quantitative-body-composition
#32
JOURNAL ARTICLE
Xinyi Shao, Hao Wu, Chen Huang, Hanyu Yin, Pengfei Wang, Xiaoli Wu
PURPOSE: This study aimed to investigate the correlation between sarcopenia and adverse events (AEs) of postoperative imatinib therapy through computed tomography (CT) quantitative body composition for intermediate- and high-risk gastrointestinal stromal tumors (GISTs). METHODS: The study retrospectively analyzed the clinical data of 208 patients with intermediate- and high-risk GIST treated surgically and treated with imatinib afterward at the First Affiliated Hospital of Wenzhou Medical University between October 2011 and October 2021...
April 2024: Journal of Gastrointestinal Surgery
https://read.qxmd.com/read/38581337/research-on-the-application-of-molecular-image-processing-in-rice-quality-inspection
#33
JOURNAL ARTICLE
Bo Deng, Weiyi Zhang, Yuying Song, Yumen Zhou, Chunyan Zhu, Weiguo Song, Xing Liu, Yiyi Han, Yingqing Ma, Dongsheng Feng
With the improvement of living standards, consumers are paying more and more attention to the quality of rice. Traditional rice quality detection relies on human sensory judgment, which is inaccurate and inefficient. With the continuous development of molecular imaging technology, more and more scholars at home and abroad have begun to pay attention to its application in the nondestructive testing of agricultural products. Molecular imaging technology combines the advantages of spectral technology and image technology, which can achieve rapid, nondestructive and accurate detection of rice quality...
April 5, 2024: Alternative Therapies in Health and Medicine
https://read.qxmd.com/read/38579469/fuel-properties-and-incineration-behavior-of-poultry-litter-blended-with-sweet-sorghum-bagasse-and-pyrolysis-oil
#34
JOURNAL ARTICLE
Umit Pehlivan, Saim Ozdemir, Hasan Ozer, Omer Hulusi Dede
The incineration of poultry litter (PL) effectively reduces the volume of waste in line with the United Nations Sustainable Development Goal of "affordable and clean energy". However, mono-incineration is associated with considerable challenges due to the varying moisture, structural and chemical composition and low energy yield. The aim of the present work was to investigate the influence of sweet sorghum bagasse (SS) and pyrolysis oil (PO) on improving the fuel properties of PL and mitigating ash related burdens during incineration...
April 4, 2024: Journal of Environmental Management
https://read.qxmd.com/read/38578298/rapid-freezing-and-cryo-sem-eds-imaging-of-foraminifera-unicellular-eukaryotes-using-a-conductive-viscous-cryogenic-glue
#35
JOURNAL ARTICLE
Satoshi Okada, Julien Richirt, Akihiro Tame, Hidetaka Nomaki
Spatial distribution of water-soluble molecules and ions in living organisms is still challenging to assess. Energy-dispersive X-ray spectroscopy (EDS) via cryogenic scanning electron microscopy (cryo-SEM) is one of the promising methods to study them without loss of dissolved contents. High-resolution cryo-SEM-EDS has challenges in sample preparation, including cross-section exposure and sample drift/charging due to insulative surrounding water. The former becomes problematic for large and inseparable organisms, such as benthic foraminifera, a unicellular eukaryote playing significant roles in marine ecosystems, which often exceed the size limit for the most reliable high-pressure freezing...
April 5, 2024: Microscopy and Microanalysis
https://read.qxmd.com/read/38577425/study-on-the-transformation-of-nitrate-nitrogen-by-manganese-catalyzed-iron-carbon-micro-electrolysis-and-microbial-coupling
#36
JOURNAL ARTICLE
Qiong Wan, Xiayin Li, Feng Wang, Guohong Yang, Kai Ju, Hongbin Jing, Kun Li, Peng He, Xinyan Zhang
Nitrate-nitrogen pertains to the nitrogen component of the overall nitrate present in a given sample in order to reduce nitrate nitrogen pollution in water, nitrate nitrogen removal methods based on iron-carbon micro-electrolysis have become a key research focus. The process and mechanism of nitrate nitrogen removal by microbial coupling was comprehensively explored in a novel iron-carbon micro-electrolysis (ICME) system. In order to establish the transformation pathway of nitrate nitrogen in water, the transformation paths of nitrate nitrogen in water before and after coupling microorganisms in three groups of continuous flow reaction devices, namely sponge iron (s-Fe0 ), sponge iron + biochar (s-Fe0 /BC) and sponge iron + biochar + manganese sand (s-Fe0 /BC/MS), were studied...
April 3, 2024: RSC Advances
https://read.qxmd.com/read/38576795/morphological-profiling-in-human-neural-progenitor-cells-classifies-hits-in-a-pilot-drug-screen-for-alzheimer-s-disease
#37
JOURNAL ARTICLE
Amina H McDiarmid, Katerina O Gospodinova, Richard J R Elliott, John C Dawson, Rebecca E Graham, Marie-Therese El-Daher, Susan M Anderson, Sophie C Glen, Simon Glerup, Neil O Carragher, Kathryn L Evans
Alzheimer's disease accounts for 60-70% of dementia cases. Current treatments are inadequate and there is a need to develop new approaches to drug discovery. Recently, in cancer, morphological profiling has been used in combination with high-throughput screening of small-molecule libraries in human cells in vitro . To test feasibility of this approach for Alzheimer's disease, we developed a cell morphology-based drug screen centred on the risk gene, SORL1 (which encodes the protein SORLA). Increased Alzheimer's disease risk has been repeatedly linked to variants in SORL1 , particularly those conferring loss or decreased expression of SORLA, and lower SORL1 levels are observed in post-mortem brain samples from individuals with Alzheimer's disease...
2024: Brain communications
https://read.qxmd.com/read/38575635/optimizing-ultrashort-pulse-in-fiber-laser-based-on-artificial-intelligence-algorithm
#38
JOURNAL ARTICLE
Xiaoxiang Han, Zhiting Huang, Jun Yue, Jun Li, Xiang'an Yan, Yanwen Xia, Guoqing Zhang, Haiyang Zhang, Caijuan Xia, Yusheng Zhang
Ultrashort pulses, characterized by their short pulse duration, diverse spectral content, and high peak power, are widely used in fields including laser processing, optical storage, biomedical sciences, and laser imaging. The complex, highly-nonlinear process of ultrashort pulse evolution within fiber lasers is influenced by numerous aspects such as dispersion, loss, gain, and nonlinear effects. Traditionally, the split-step Fourier transforms method is employed for simulating ultrashort pulses in fiber lasers, which involves traversing multiple parameters within the fiber to attain the pulse's optimal state...
April 4, 2024: Scientific Reports
https://read.qxmd.com/read/38572166/classifying-breast-cancer-and-fibroadenoma-tissue-biopsies-from-paraffined-stain-free-slides-by-fractal-biomarkers-in-fourier-ptychographic-microscopy
#39
JOURNAL ARTICLE
Vittorio Bianco, Marika Valentino, Daniele Pirone, Lisa Miccio, Pasquale Memmolo, Valentina Brancato, Luigi Coppola, Giovanni Smaldone, Massimiliano D'Aiuto, Gennaro Mossetti, Marco Salvatore, Pietro Ferraro
Breast cancer is one of the most spread and monitored pathologies in high-income countries. After breast biopsy, histological tissue is stored in paraffin, sectioned and mounted. Conventional inspection of tissue slides under benchtop light microscopes involves paraffin removal and staining, typically with H&E. Then, expert pathologists are called to judge the stained slides. However, paraffin removal and staining are operator-dependent, time and resources consuming processes that can generate ambiguities due to non-uniform staining...
December 2024: Computational and Structural Biotechnology Journal
https://read.qxmd.com/read/38570980/vertically-spliced-tabletop-light-field-cave-display-with-extended-depth-content-and-separately-optimized-compound-lens-array
#40
JOURNAL ARTICLE
Xunbo Yu, Haoxiang Dong, Xin Gao, Hanyu Li, Zhaohe Zhang, Bangshao Fu, Xiangyu Pei, Xudong Wen, Siming Zhao, Binbin Yan, Xinzhu Sang
Tabletop three-dimensional light field display is a kind of compelling display technology that can simultaneously provide stereoscopic vision for multiple viewers surrounding the lateral side of the device. However, if the flat panel light field display device is simply placed horizontally and displayed directly above, the visual frustum will be tilted and the 3D content outside the display panel will be invisible, the large oblique viewing angle will also lead to serious aberrations. In this paper, we demonstrate what we believe to be a new vertical spliced light field cave display system with an extended depth content...
March 25, 2024: Optics Express
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