keyword
https://read.qxmd.com/read/38547323/sarcopenic-obesity-and-the-impact-on-bone-health
#1
JOURNAL ARTICLE
Silvia Migliaccio, Edoardo Mocini, Marianna Minnetti, Lorenzo Maria Donini
PURPOSE OF THE REVIEW: Sarcopenic obesity is a newly identified pathological entity defined by an increase in body fat mass with an associated sarcopenia, characterized by loss of muscle mass, strength, and function. Recently, the concomitant presence of skeletal alteration with sarcopenic obesity has been described leading to a new clinical entity defined osteosarcopenic obesity (OSO). Many studies have tried to unravel the metabolic complex mechanism leading to this clinical entity in order to understand the pathophysiology of this complex condition with the aim of posing an early diagnosis to improve the therapeutic approaches...
March 20, 2024: Current Opinion in Clinical Nutrition and Metabolic Care
https://read.qxmd.com/read/38546591/a-randomized-controlled-trial-examining-the-effect-of-camp-hope-tennessee-on-youth-functioning-results-from-a-pilot-study
#2
JOURNAL ARTICLE
Amanda J Hasselle, Kathryn H Howell, Anissa Garza, Kari N Thomsen, Hannah C Gilliam
OBJECTIVE: Family violence can negatively affect youth's psychosocial functioning. Strengths-based interventions may enhance positive youth functioning among youth experiencing adversity, but little is known about the effectiveness of camp-based interventions for youth exposed to family violence. The current study examined the effectiveness of Camp HOPE Tennessee in promoting multidimensional well-being and school engagement among youth exposed to family violence. METHOD: This pilot study employed a nonmasked, parallel randomized controlled design...
March 28, 2024: Psychological Trauma: Theory, Research, Practice and Policy
https://read.qxmd.com/read/38546430/production-of-lipopeptides-from-bacillus-velezensis-bvq121-and-their-application-in-chitosan-antibacterial-coating
#3
JOURNAL ARTICLE
Rong Qian, Xinyu Ji, Xiaoqi Xu, Sha Li, Hong Xu
The extracellular substance of Bacillus has antibacterial effects inhibiting multiple foodborne pathogens and plays important roles in food production. This study found one Bacillus velezensis BVQ121 strain producing antibacterial lipopeptides (BVAL). After optimization of the fermentation conditions, the BVAL yield was the highest at 1.316 ± 0.03 g/L in reality with the initial pH 6.0, temperature 31 °C, and shaker speed 238 rpm when the optimal nitrogen and carbon sources were used in Landy medium for fermentation...
March 28, 2024: Journal of Agricultural and Food Chemistry
https://read.qxmd.com/read/38546005/pulsed-electric-field-assisted-extraction-of-hesperidin-from-tangerine-peel-and-its-technological-optimization-through-response-surface-methodology
#4
JOURNAL ARTICLE
Lijuan Xu, Siming Zhu, Wenjing Wan, Ming Yu, Xin'an Zeng, Zhanhua Deng
BACKGROUND: Tangerine peel is rich in flavonoids, particularly hesperidin, which has anti-inflammatory, antioxidant, and anti-cancer biological activities. However, it is often wasted during citrus processing. The current common extraction method for hesperidin is solvent extraction, which has the characteristics of low extraction rate and high contamination. This aim of this study was to incestigate the effect of pulsed electric field-assisted alkali dissolution extraction, followed by a acidification precipitation method, on the extraction rate and structure of hesperidin from tangerine peel...
March 28, 2024: Journal of the Science of Food and Agriculture
https://read.qxmd.com/read/38545952/development-of-injectable-upconversion-nanoparticle-conjugated-doxorubicin-theranostics-electrospun-nanostructure-for-targeted-photochemotherapy-in-breast-cancer
#5
JOURNAL ARTICLE
Amreen Khan, Abhishek Tripathi, Mayuri Gandhi, Jayesh Bellare, Rohit Srivastava
Nanotheranostic-based photochemotherapies with targeted drug delivery have considerably surfaced in cancer therapy. In the presented work, polyethyleneimine-coated upconversion nanoparticles were engineered to conjugate covalently with doxorubicin. Upconversion nanoparticles (UCNP)-Doxorubicin (DOX)/synthesized epidermal growth factor receptor-targeting peptide blended with polymer composite was electrospun and formulated as the injectable dosage form. The size of the UCNP and the nanofiber diameter were assessed as 26...
March 28, 2024: Journal of Biomedical Materials Research. Part A
https://read.qxmd.com/read/38545948/structural-dynamics-around-a-hydrogen-bond-investigating-the-effect-of-hydrogen-bond-strengths-on-the-excited-state-dynamics-of-carboxylic-acid-dimers
#6
JOURNAL ARTICLE
E Plackett, C Robertson, A De Matos Loja, H McGhee, G Karras, I V Sazanovich, R A Ingle, M J Paterson, R S Minns
The photochemical dynamics of the acetic acid and trifluoro-acetic acid dimers in hexane are studied using time-resolved infrared absorption spectroscopy and ab initio electronic structure calculations. The different hydrogen bond strengths of the two systems lead to changes in the character of the accessed excited states and in the timescales of the initial structural rearrangement that define the early time dynamics following UV excitation. The much stronger hydrogen bonding in the acetic acid dimer stabilizes the system against dissociation...
March 28, 2024: Journal of Chemical Physics
https://read.qxmd.com/read/38545860/common-bean-under-different-water-availability-reveals-classifiable-stimuli-specific-signatures-in-plant-electrome
#7
JOURNAL ARTICLE
Gabriel R A de Toledo, Gabriela N Reissig, Luiz G S Senko, Danillo R Pereira, Arlan F da Silva, Gustavo M Souza
Plant electrophysiology has unveiled the involvement of electrical signals in the physiology and behavior of plants. Spontaneously generated bioelectric activity can be altered in response to changes in environmental conditions, suggesting that a plant's electrome may possess a distinct signature associated with various stimuli. Analyzing electrical signals, particularly the electrome, in conjunction with Machine Learning (ML) techniques has emerged as a promising approach to classify characteristic electrical signals corresponding to each stimulus...
December 31, 2024: Plant Signaling & Behavior
https://read.qxmd.com/read/38545629/mxene-silk-fibroin-strengthened-pva-based-eutectogel-with-excellent-self-healing-ability-and-environmental-adaptability-design-synthesis-and-sensing-application
#8
JOURNAL ARTICLE
Hanlin Zhai, Chen Yue, Zhangpeng Li, Limin Ma, Tingting Wang, Hong Zhang, Jinqing Wang, Shengrong Yang
In order to solve typical problems of instability in a variety of environments, lack of self-healing ability and poor mechanical properties of traditional hydrogel materials, herein, a superelastic self-healing eutectogel of DPMS was designed and prepared in a deep eutectic solvent (DES) system using poly(vinyl alcohol) (PVA) as the bulk skeleton material, while two-dimensional MXene (Ti3C2TX) nanosheets and silk fibroin (SF) as reinforcing fillers. As a result, the prepared DPMS eutectogel possesses a high tensile strength of 7...
March 28, 2024: Chemistry, An Asian Journal
https://read.qxmd.com/read/38545513/robustness-of-the-self-referential-process-under-normobaric-hypoxia-an-fnirs-study-using-the-glm-and-homologous-cortical-functional-connectivity-analyses
#9
JOURNAL ARTICLE
Takehiro Minamoto, Naoaki Kawakami, Takehiko Tsujimoto
INTRODUCTION: Hypoxia has been reported to impair psychological functions, such as working memory and decision-making. However, few studies have examined hypoxia's effect on social cognition. METHODS: Using a self-referential task, the present study investigated normobaric hypoxia's effect on the self-referential process. Additionally, we measured brain activity during the task with fNIRS and performed conventional univariate analysis with the general linear model (GLM) as well as homologous cortical functional connectivity analysis...
2024: Frontiers in Human Neuroscience
https://read.qxmd.com/read/38545453/effects-of-early-predation-and-social-cues-on-the-relationship-between-laterality-and-personality
#10
JOURNAL ARTICLE
Paolo Panizzon, Jakob Gismann, Bernd Riedstra, Marion Nicolaus, Culum Brown, Ton Groothuis
Individual differences in laterality and personality are expected to covary, as emotions are processed differently by the two hemispheres, and personality involves emotional behavior. Fish species are often used to investigate this topic due to the large variability in personality and laterality patterns. While some species show a positive relationship between lateralization strength and boldness, others show a negative relationship, and some show no relationship. A new way to assess the robustness of such a relationship is to manipulate both laterality and personality to examine how this affects their relationship...
2024: Behavioral Ecology
https://read.qxmd.com/read/38544784/tensile-and-shear-creep-behavior-of-structural-adhesives-experiments-and-modeling
#11
JOURNAL ARTICLE
Gilda Daissè, Bilen Emek Abali, Roman Wan-Wendner
Structural adhesives characterized a turning point in the post-connection of structural elements due to their excellent performances and ability to transfer stress without losing their integrity. These materials are typically particle-reinforced composites made by a thermoset polymer matrix and fillers. During the in-situ application of this material, the thermal activation of the polymer is typically not possible, leading to an undefined degree of cure and therefore to a variation of the mechanical performance over time...
2024: Appl Compos Mater (Dordr)
https://read.qxmd.com/read/38544759/prospective-changes-in-anemia-are-associated-with-the-incidence-and-persistence-of-sarcopenia-among-older-mexican-adults
#12
JOURNAL ARTICLE
Vanessa De La Cruz-Góngora, Aaron Salinas-Rodriguez, Betty Manrique-Espinoza
BACKGROUND: Low hemoglobin levels are a significant biomarker in the prognosis of sarcopenia. Anemia and sarcopenia are frequent and disabling conditions in the older adult population, but little is known about the role of anemia in the onset and progression of sarcopenia. This study aimed to determine whether prospective changes in anemia are associated with the incidence and persistence of sarcopenia. METHODS: Data come from the second and third waves (2014, 2017) of the World Health Organization (WHO) Study on global AGEing and adult health (SAGE) in Mexico...
2024: Frontiers in Nutrition
https://read.qxmd.com/read/38544397/impact-of-lifting-straps-on-the-relationship-between-maximum-repetitions-to-failure-and-lifting-velocity-during-the-prone-bench-pull-exercise
#13
JOURNAL ARTICLE
Sergio Miras-Moreno, Amador García-Ramos, Francisco J Rojas-Ruiz, Alejandro Pérez-Castilla
BACKGROUND: Fastest mean (MVfastest ) and peak (PVfastest ) velocity of the set have been proposed to predict the maximum number of repetitions to failure (RTF) during the Smith machine prone bench pull (PBP) exercise. HYPOTHESIS: Goodness-of-fit would be higher for individualized compared with generalized RTF-velocity relationships and comparable for both execution equipment conditions (with or without straps), and the MVfastest and PVfastest associated with each RTF would be comparable between execution equipment and prediction methods (multiple- vs 2-point method)...
March 27, 2024: Sports Health
https://read.qxmd.com/read/38544034/deciphering-double-walled-corrugated-board-geometry-using-image-analysis-and-genetic-algorithms
#14
JOURNAL ARTICLE
Maciej Rogalka, Jakub Krzysztof Grabski, Tomasz Garbowski
Corrugated board, widely used in the packing industry, is a recyclable and durable material. Its strength and cushioning, influenced by geometry, environmental conditions like humidity and temperature, and paper quality, make it versatile. Double-walled (or five-ply) corrugated board, comprising two flutes and three liners, enhances these properties. This study introduces a novel approach to analyze five-layered corrugated board, extending a previously published algorithm for single-walled boards. Our method focuses on measuring the layer and overall board thickness, flute height, and center lines of each layer...
March 9, 2024: Sensors
https://read.qxmd.com/read/38543465/influence-of-interfacial-interaction-and-composition-on-fracture-toughness-and-impact-properties-of-carbon-fiber-reinforced-polyethersulfone
#15
JOURNAL ARTICLE
Valerii G Torokhov, Dilyus I Chukov, Victor V Tcherdyntsev, Andrey A Stepashkin, Mikhail Y Zadorozhnyy
In this study, the interlaminar fracture toughness and impact strength of polyethersulfone reinforced with continuous carbon fibers were studied. Interlaminar fracture toughness tests were performed using the double cantilever beam method. It was shown that surface modification using the thermal oxidation method of the carbon fibers can strongly increase the interlaminar fracture toughness of the obtained composites. Thus, the maximum value reached 1.72 kJ/m2 , which was 40% higher than the fracture toughness of the composites reinforced with initial carbon fibers...
March 21, 2024: Polymers
https://read.qxmd.com/read/38543392/environmental-durability-of-bio-based-and-synthetic-thermoplastic-composites-in-large-format-additive-manufacturing
#16
JOURNAL ARTICLE
Felipe A Saavedra-Rojas, Sunil Bhandari, Roberto A Lopez-Anido
This research investigates the durability of large-format 3D-printed thermoplastic composite material systems under environmental exposure conditions of moisture and freeze-thaw. Durability was evaluated for two bio-based composite material systems, namely wood-fiber-reinforced semi-crystalline polylactic acid (WF/PLA) and wood-fiber-reinforced amorphous polylactic acid (WF/aPLA), and one conventionally used synthetic material system, namely short-carbon-fiber-reinforced acrylonitrile butadiene styrene (CF/ABS)...
March 12, 2024: Polymers
https://read.qxmd.com/read/38543388/preparation-and-characterization-of-guaiacol-furfuramine-benzoxazine-and-its-modification-of-bisphenol-a-aniline-oxazine-resin
#17
JOURNAL ARTICLE
Jing Wang, Riwei Xu
A new type of benzoxazine resin has been synthesized using a natural phenol source, guaiacol, and a biomass amines, furfuramine. The synthesis conditions were optimized; when the reaction molar ratio of guaiacol, furfuramine, and polyformaldehyde was 1:1:4, the highest synthetic yield was reached. The product was characterized via testing using transform infrared spectroscopy (FT-IR), gel permeation chromatography (GPC), mass spectrogram (MS), and nuclear magnetic resonance (1 H-NMR) to confirm its molecular structure...
March 12, 2024: Polymers
https://read.qxmd.com/read/38543351/low-density-and-high-performance-fiber-reinforced-pp-poe-composite-foam-via-irradiation-crosslinking
#18
JOURNAL ARTICLE
Hongfu Li, Tianyu Wang, Changwei Cui, Yuxi Mu, Kangmin Niu
This study addresses the challenge of achieving foam with a high expansion ratio and poor mechanical properties, caused by the low melt viscosity of semi-crystalline polypropylene (PP). We systematically employ a modification approach involving blending PP with polyolefin elastomers (POE), irradiation crosslinking, and fiber reinforcement to prepare fiber-reinforced crosslinked PP/POE composite foam. Through optimization and characterization of material composition and processing conditions, the obtained fiber-reinforced crosslinked PP/POE composite foam exhibits both low density and high performance...
March 8, 2024: Polymers
https://read.qxmd.com/read/38543343/mechanical-testing-of-selective-laser-sintered-polyamide-pa2200-details-analysis-of-tensile-properties-via-finite-element-method-and-machine-learning-approaches
#19
JOURNAL ARTICLE
Ivan Malashin, Dmitriy Martysyuk, Vadim Tynchenko, Vladimir Nelyub, Aleksei Borodulin, Andrey Galinovsky
This study delves into the mechanical characteristics of polyamide PA2200 components crafted using selective laser sintering (SLS) technology. Our primary objective is to analyze the tensile behavior of the components printed at various orientations, showing its response to diverse loading conditions. Finite element method (FEM) modeling was employed to analyze the tensile behavior of these details. The time determined for breaking the detail is 9 s. In addition we forecast key properties, such as tensile behavior and strength, using machine learning (ML) techniques, and the best models are for predicting relative elongation are KNeighborsRegressor and SVR...
March 8, 2024: Polymers
https://read.qxmd.com/read/38543202/microneedle-assisted-transdermal-delivery-of-lurasidone-nanoparticles
#20
JOURNAL ARTICLE
Ariana Radmard, Ajay K Banga
Lurasidone, an antipsychotic medication for schizophrenia, is administered daily via oral intake. Adherence is a critical challenge, given that many schizophrenia patients deny their condition, thus making alternative delivery methods desirable. This study aimed to deliver lurasidone by the transdermal route and provide therapeutic effects for three days. Passive diffusion was found to be insufficient for lurasidone delivery. The addition of chemical enhancers increased permeation, but it was still insufficient to reach the designed target dose from a patch, so a microneedle patch array was fabricated by using biodegradable polymers...
February 22, 2024: Pharmaceutics
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