keyword
https://read.qxmd.com/read/36568819/roosting-site-selection-by-overwintering-black-necked-cranes-in-the-caohai-wetland-guizhou-province-china-implications-for-conservation-management
#21
JOURNAL ARTICLE
Xue Gou, Yuan Zhu, Xijiao Sun, Chanshi Hu, Mingming Zhang, Romaan Hayat Khattak, Haijun Su
Stable and high-quality roosting-sites are crucial for the survival of migratory wading birds in winter. The black-necked crane ( Grus nigricollis ) is the only crane species that lives on the Tibetan plateau for its entire life. Every year, black-necked cranes routinely migrate to the wetlands on the southern lower plateau and roost at wetland sites. Currently, many roosting-sites are under threat from wetland degradation resulting from human disturbance, and changes in water depths and the landscape environment...
2022: Zoological Studies (Taipei, Taiwan)
https://read.qxmd.com/read/36550927/robust-medical-image-colorization-with-spatial-mask-guided-generative-adversarial-network
#22
JOURNAL ARTICLE
Zuyu Zhang, Yan Li, Byeong-Seok Shin
Color medical images provide better visualization and diagnostic information for doctors during clinical procedures than grayscale medical images. Although generative adversarial network-based image colorization approaches have shown promising results, in these methods, adversarial training is applied to the whole image without considering the appearance conflicts between the foreground objects and the background contents, resulting in generating various artifacts. To remedy this issue, we propose a fully automatic spatial mask-guided colorization with generative adversarial network (SMCGAN) framework for medical image colorization...
November 22, 2022: Bioengineering
https://read.qxmd.com/read/36546582/very-high-power-short-duration-ablation-for-pulmonary-vein-isolation-utilizing-a-very-close-protocol-the-fast-and-furious-pvi-study
#23
JOURNAL ARTICLE
Christian-H Heeger, Makoto Sano, Sorin Ștefan Popescu, Behnam Subin, Marcel Feher, Huong-Lan Phan, Bettina Kirstein, Julia Vogler, Charlotte Eitel, Sascha Hatahet, Karl-Heinz Kuck, Roland R Tilz
AIMS: The very high-power short-duration (vHP-SD) radiofrequency (RF) ablation concept of atrial fibrillation (AF) treatment by pulmonary vein isolation (PVI) aims for safer, more effective, and faster procedures. Utilizing conventional ablation, the 'close protocol' has been verified. Since lesion formation of vHP-SD ablation creates wider but shallower lesions we adapted the close protocol to an individualized and tighter 'very-close protocol' of 3-4 mm of inter-lesion distance (ILD) at the anterior and 5-6 mm at the posterior aspect of the left atrium using vHP-SD only...
March 30, 2023: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://read.qxmd.com/read/36543703/effects-of-disinfection-with-a-vinegar-hydrogen-peroxide-mixture-on-the-surface-composition-and-topography-of-a-cobalt-chromium-alloy
#24
JOURNAL ARTICLE
Gabriela Silveira Sakis, Myriam Pereira Kapczinski, Sara Fraga, Cristiane Machado Mengatto
STATEMENT OF PROBLEM: Choosing the best disinfection agent for removable partial dentures may be challenging since most commercially available disinfection solutions alter the properties of the metal framework. PURPOSE: The purpose of this in vitro study was to analyze the changes in the surface topography and elemental composition of a cobalt-chromium (Co-Cr) alloy when immersed in a vinegar-hydrogen peroxide mixture. MATERIAL AND METHODS: Disk-shaped specimens (N=50) were fabricated with Co-Cr alloy and randomly distributed into 5 groups (N=10) according to the immersion solutions: distilled water (control) (W); 0...
December 19, 2022: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/36402832/influence-of-phenolic-compounds-on-color-formation-at-different-stages-of-the-vhp-sugar-manufacturing-process
#25
JOURNAL ARTICLE
Mirelle Márcio Santos Cabral, Yeda Medeiros Bastos de Almeida, Samara Alvachian Cardoso Andrade, Celso Silva Caldas, Jonnathan Duarte de Freitas, Clara Andrezza Crisóstomo Bezerra Costa, João Inácio Soletti
Phenolic compounds are natural dyes contained in sugarcane juice and represent an important parameter in industrial processing, as they significantly affect the color formation of raw sugar. This study investigated the relationship between color formation and phenolic compounds during a Very High Polarization (VHP) sugar manufacturing process, in which the RB92579 genotype represents about 50% of the processed sugarcane. The products evaluated during the industrial processing of sugarcane were: raw juice, mixed juice, lime-treated juice, clarified juice, syrup, massecuite, and VHP sugar...
November 19, 2022: Scientific Reports
https://read.qxmd.com/read/36402010/safety-of-increasing-protein-delivery-with-an-enteral-nutrition-formula-containing-very-high-protein-vhp-and-lower-carbohydrate-concentrations-compared-to-conventional-standard-sf-and-high-protein-hp-formulas
#26
JOURNAL ARTICLE
Juan B Ochoa Gautier, Andrea Berger, Raghad Hussein, Maureen B Huhmann
BACKGROUND & AIMS: Studies demonstrate that caloric restriction in the first seven days in the ICU is safe. The amount of protein that should be delivered, however, is still unclear with clinical trials suggesting mixed results. Despite some capacity to customize the delivery of protein using supplemental modules, protein delivered is best determined by the concentration of protein contained in enteral formula (EF) ordered. This fact provides an opportunity to explore the potential clinical effects of protein delivery and lower carbohydrate intake on clinical outcomes compared with conventional enteral formulas...
December 2022: Clinical Nutrition
https://read.qxmd.com/read/36374865/functional-dissociation-along-the-rostrocaudal-axis-of-japanese-quail-hippocampus
#27
JOURNAL ARTICLE
Chelsey C Damphousse, Noam Miller, Diano F Marrone
The mammalian hippocampus (Hp) can be functionally segregated along its septotemporal axis, with involvement of dorsal hippocampus (dHp) in spatial memory and ventral hippocampus (vHp) in stress responses and emotional behaviour. In the present study, we investigate comparable functional segregation in proposed homologues within the avian brain. Using Japanese quail (Coturnix Japonica), we report that bilateral lesions of the rostral hippocampus (rHp) produce robust deficits in a spatial Y-maze discrimination (YMD) test while sparing performance during contextual fear conditioning (CFC), comparable to results from lesions to homologous regions in mammals...
2022: PloS One
https://read.qxmd.com/read/36276955/gahp-an-integrated-software-package-on-genetic-analysis-with-bi-parental-immortalized-heterozygous-populations
#28
JOURNAL ARTICLE
Luyan Zhang, Xinhui Wang, Kaiyi Wang, Jiankang Wang
GAHP is a freely available software package for genetic analysis with bi-parental immortalized heterozygous and pure-line populations. The package is project-based and integrated with multiple functions. All operations and running results are properly saved in a project, which can be recovered when the project is re-open by the package. Four functionalities have been implemented in the current version of GAHP, i.e., 1) MHP: visualization of genetic linkage maps; 2) VHP: analysis of variance (ANOVA) and estimation of heritability on phenotypic data; 3) QHP: quantitative trait locus (QTL) mapping on both genotypic and phenotypic data; 4) SHP: simulation of bi-parental immortalized heterozygous and pure-line populations, and power analysis of QTL mapping...
2022: Frontiers in Genetics
https://read.qxmd.com/read/36272553/filtration-performance-of-three-models-of-n95-filtering-facepiece-respirators-following-clinical-usage-and-vaporized-hydrogen-peroxide-decontamination
#29
JOURNAL ARTICLE
Jesse Cooper, Albert Csapó, Romali Ranasinghe, Matthew Jeronimo, Torin Brockington-Tyhy, Sultan Alawfi, Titus Wong
This study is the first large scale evaluation of particulate filtration efficiency (PFE) of three models of N95 filtering facepiece respirators (FFR) following clinical usage and vaporized hydrogen peroxide (VHP) decontamination. Three variables were assessed for effect on PFE following VHP decontamination: VHP sterilizer model, N95 respirator model, and prior N95 clinical usage. The VHP sterilizer model and N95 FFR model impacted PFE performance. Worn N95 FFRs had a 91% lower odds of exhibiting ≥ 95% PFE compared with the control...
October 19, 2022: Journal of Hospital Infection
https://read.qxmd.com/read/36099968/gpr55-activation-prevents-amphetamine-induced-conditioned-place-preference-and-decrease-the-amphetamine-stimulated-inflammatory-response-in-the-ventral-hippocampus-in-male-rats
#30
JOURNAL ARTICLE
Rodolfo Sánchez-Zavaleta, José Segovia, Alejandra E Ruiz-Contreras, Andrea Herrera-Solís, Mónica Méndez-Díaz, Miguel Pérez de la Mora, Oscar E Prospéro-García
Inflammatory response in the Central Nervous System (CNS) induced by psychostimulants seems to be a crucial factor in the development and maintenance of drug addiction. The ventral hippocampus (vHp) is part of the reward system involved in substance addiction and expresses abundant G protein-coupled receptor 55 (GPR55). This receptor modulates the inflammatory response in vitro and in vivo, but there is no information regarding its anti-inflammatory effects and its impact on psychostimulant consumption. The aim of the present study was to investigate whether vHp GPR55 activation prevents both the inflammatory response induced by amphetamine (AMPH) in the vHp and the AMPH-induced conditioned place preference (A-CPP)...
September 11, 2022: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://read.qxmd.com/read/35693470/effect-of-five-decontamination-methods-on-face-masks-and-filtering-facepiece-respirators-contaminated-with-staphylococcus-aureus-and-pseudomonas-aeruginosa
#31
JOURNAL ARTICLE
Elisa Martinez, Sébastien Crèvecoeur, Lorène Dams, Frédéric Rabecki, Serge Habraken, Eric Haubruge, Georges Daube
Introduction. In the context of the global pandemic due to SARS-CoV-2, procurement of personal protective equipment during the crisis was problematic. The idea of reusing and decontaminating personal surgical masks in facilities was explored in order to avoid the accumulation of waste and overcome the lack of equipment. Hypothesis. Our hypothesis is that this work will show the decontamination methods assessed are effective for bacteria, such as Staphylococcus aureus and Pseudomonas aeruginosa . Aim. We aim to provide information about the effects of five decontamination procedures (UV treatment, dry heat, vaporized H2 O2 , ethanol treatment and blue methylene treatment) on S...
2022: Access microbiology
https://read.qxmd.com/read/35672703/intermittent-screening-and-treatment-for-malaria-complementary-to-routine-immunisation-in-the-first-year-of-life-in-papua-indonesia-a-cluster-randomised-superiority-trial
#32
RANDOMIZED CONTROLLED TRIAL
Jeanne Rini Poespoprodjo, Hafiidhaturrahmah, Novita Sariyanti, Ratni Indrawanti, Alistair R D McLean, Julie A Simpson, Enny Kenangalem, Faustina Helena Burdam, Rintis Noviyanti, Leily Trianty, Chairunisa Fadhilah, Yati Soenarto, Ric N Price
BACKGROUND: In Papua (Indonesia), infants with P. falciparum and/or P. vivax malaria are at risk of severe anaemia and death. We hypothesized that in an area of high malaria transmission, intermittent screening and treatment of infants with malaria (ISTi) will reduce morbidity compared to passive case detection (PCDi). METHODS: We conducted a cluster randomised, open label, superiority trial. A total of 21 clusters of village health posts (VHP) were randomised 1:1 to either IST for infants coinciding with 4 routine immunisation visits or PCDi...
June 8, 2022: BMC Medicine
https://read.qxmd.com/read/35631669/targeting-peptide-fluorescent-reagent-modified-magnetic-liposomes-coated-with-rapamycin-target-early-atherosclerotic-plaque-and-therapy
#33
JOURNAL ARTICLE
Chen Huang, Wentao Huang, Lifen Zhang, Chunyu Zhang, Chengqian Zhou, Wei Wei, Yongsheng Li, Quan Zhou, Wenli Chen, Yukuan Tang
Atherosclerosis is the leading cause of global morbidity and mortality. Its therapy requires research in several areas, such as diagnosis of early arteriosclerosis, improvement of the pharmacokinetics and bioavailability of rapamycin as its therapeutic agents. Here, we used the targeting peptide VHPKQHR (VHP) (or fluorescent reagent) to modify the phospholipid molecules to target vascular cell adhesion molecule-1 (VCAM-1) and loaded ultrasmall paramagnetic iron oxide (USPIO/Fe3 O4 ) plus rapamycin (Rap) to Rap/Fe3 O4 @VHP-Lipo (VHPKQHR-modified magnetic liposomes coated with Rap)...
May 18, 2022: Pharmaceutics
https://read.qxmd.com/read/35594986/bactericidal-efficacy-of-low-concentration-of-vaporized-hydrogen-peroxide-with-validation-in-a-bsl-3-laboratory
#34
JOURNAL ARTICLE
Chunai Tao, Guijuan Sun, Xiaolan Tang, Yongxin Gan, Guoning Liang, Jiangwei Wang, Yu Huang
BACKGROUND: Highly infective pathogens are cultured and studied in biosafety laboratories. It is critical to thoroughly disinfect these laboratories to prevent laboratory infection. A whole-room, non-contact, reduced corrosion disinfection strategy using hydrogen peroxide was proposed and evaluated. AIM: To evaluate the bactericidal efficacy of 8% and 10% vaporized hydrogen peroxide( VHP) in a laboratory setting with spores and bacteria as bioindicators. METHODS: Spores of B...
May 17, 2022: Journal of Hospital Infection
https://read.qxmd.com/read/35573650/very-high-power-short-duration-ablation-for-treatment-of-premature-ventricular-contractions-the-fast-and-furious-pvc-study
#35
JOURNAL ARTICLE
Christian-Hendrik Heeger, Sorin S Popescu, Bettina Kirstein, Sascha Hatahet, Anna Traub, Huong-Lan Phan, Marcel Feher, Gabriele D Ambrosio, Ahmad Keelani, Michael Schlüter, Julia Vogler, Charlotte Eitel, Karl-Heinz Kuck, Roland R Tilz
Objectives: We sought to assess the efficacy, safety and short-term clinical outcome of very high-power short-duration (vHP-SD) radiofrequency (RF) catheter ablation for the treatment of idiopathic PVCs originating from the cardiac outflow tract (OT). Background: Power-controlled RF ablation is a widely used technique for the treatment of premature ventricular contractions (PVCs). A novel ablation catheter offers three microelectrodes and six thermocouples at its tip and provides temperature-controlled vHP-SD (90 Watts/4 s,) with the opportunity to switch to moderate-power mode...
June 2022: IJC Heart & Vasculature
https://read.qxmd.com/read/35479023/increased-sanitization-potency-of-hydrogen-peroxide-with-synergistic-o-3-and-intense-pulsed-light-for-non-woven-polypropylene
#36
JOURNAL ARTICLE
Robin Jeong, Hitendra Kumar, Steven Jones, Allen Sandwell, Keekyoung Kim, Simon S Park
Supplies of respiratory masks have recently become a concern due to the onset of the SARS-CoV-2 pandemic. Sanitization and reuse of masks can alleviate high mask consumption and production stresses. In the present work, improved sanitization potency of vaporous hydrogen peroxide (VHP) treatment of resilient bacterial spores while retaining polymeric filter performance was explored. A batch fumigation chamber with hydrogen peroxide (H2 O2 ) vapor and ozone (O3 ) is featured, followed by intense pulsed light (IPL) flash treatments...
July 6, 2021: RSC Advances
https://read.qxmd.com/read/35325639/influence-of-ball-milling-process-on-microstructure-mechanical-and-thermal-expansion-properties-of-zrmgmo-3-o-12-al-40si-composites
#37
JOURNAL ARTICLE
Panying Song, Kun Xie, Junrui Yang, Dandan Jiang, Zhongxia Liu, Jianming Zhang, Guopeng Zhang, Bin Cai
In this study, ZrMgMo3 O12 /Al-40Si (ZMMO/Al-40Si) composites with 15 wt% ZrMgMo3 O12 were fabricated by ball milling-vacuum hot pressing (VHP) processes. The effect of ball milling processes on the microstructure, compressive properties and coefficient of thermal expansion (CTE) of the composites were investigated. It is found that ball milling treatments of mixed ZMMO/Al-40Si powders refine the particles of ZMMO reinforcements and primary Si in ZMMO/Al-40Si composites and improve the distribution of ZMMO reinforcements in α-Al matrix, resulting in the increase of the compressive strength and the decrease of the CTE of ZMMO/Al-40Si composites...
March 17, 2022: Micron
https://read.qxmd.com/read/35000800/assessing-changes-to-n95-respirator-filtration-efficiency-qualitative-and-quantitative-fit-and-seal-check-with-repeated-vaporized-hydrogen-peroxide-vhp-decontamination
#38
JOURNAL ARTICLE
Christina F Yen, Robert Seeley, Patrick Gordon, Lalitha Parameswaran, Sharon B Wright, Dana E Pepe, Preeti Mehrotra
N95 respirators were reprocessed using vaporized hydrogen peroxide to supplement limited supplies during the COVID-19 pandemic. In this study, we found no statistically significant differences in qualitative and quantitative fit or filtration efficiency with reprocessing. Filtration efficiency remained above 95% even at 25 cycles of reprocessing without statistically significant change from cycle 20-25 compared to cycle 0 (P = .10, P = .05, respectively). Vaporous hydrogen peroxide is an effective option to augment N95 respirator supplies...
February 2022: American Journal of Infection Control
https://read.qxmd.com/read/34986500/safety-and-efficacy-of-combined-essential-oils-for-the-skin-barrier-properties-in-vitro-ex-vivo-and-clinical-studies
#39
RANDOMIZED CONTROLLED TRIAL
Victor H P Infante, Patrícia M B G Maia Campos, Lorena Rigo Gaspar, Maxim E Darvin, Johannes Schleusener, Karen C Rangel, Martina C Meinke, Jürgen Lademann
OBJECTIVE: To evaluate the safety and the synergistic effects of tea tree, lavender, eucalyptus and tangerine essential oils in combination on the skin using in vitro, ex vivo and clinical studies. METHODS: The phototoxicity was predicted using 3T3 neutral red uptake phototoxicity test (OECD TG 432). Skin penetration was evaluated by confocal Raman microspectroscopy using direct application of essential oils to pig ears. For the clinical studies, 40 participants were enrolled and randomized in three groups: (1) lavender, eucalyptus and tangerine, (2) the same essential oils plus melaleuca and (3) placebo group...
February 2022: International Journal of Cosmetic Science
https://read.qxmd.com/read/34890429/visible-human-project%C3%A2-female-surface-based-computational-phantom-nelly-for-radio-frequency-safety-evaluation-in-mri-coils
#40
JOURNAL ARTICLE
Gregory M Noetscher, Peter Serano, William A Wartman, Kyoko Fujimoto, Sergey N Makarov
Quantitative modeling of specific absorption rate and temperature rise within the human body during 1.5 T and 3 T MRI scans is of clinical significance to ensure patient safety. This work presents justification, via validation and comparison, of the potential use of the Visible Human Project (VHP) derived Computer Aided Design (CAD) female full body computational human model for non-clinical assessment of female patients of age 50-65 years with a BMI of 30-36 during 1.5 T and 3 T based MRI procedures. The initial segmentation validation and four different application examples have been identified and used to compare to numerical simulation results obtained using VHP Female computational human model under the same or similar conditions...
2021: PloS One
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