keyword
https://read.qxmd.com/read/38657124/structural-evolution-of-gao-x-shell-and-intermetallic-phases-in-ga-pt-supported-catalytically-active-liquid-metal-solutions
#1
JOURNAL ARTICLE
S Carl, J Will, N Madubuko, A Götz, T Przybilla, M Wu, N Raman, J Wirth, N Taccardi, B Apeleo Zubiri, M Haumann, P Wasserscheid, E Spiecker
We present a comprehensive scale-bridging characterization approach for supported catalytically active liquid metal solutions (SCALMS) which combines lab-based X-ray microscopy, nano X-ray computed tomography (nano-CT), and correlative analytical transmission electron microscopy. SCALMS catalysts consist of low-melting alloy particles and have demonstrated high catalytic activity, selectivity, and long-term stability in propane dehydrogenation (PDH). We established an identical-location nano-CT workflow which allows us to reveal site-specific changes of Ga-Pt SCALMS before and after PDH...
April 24, 2024: Journal of Physical Chemistry Letters
https://read.qxmd.com/read/38656951/effects-of-a-dietary-intervention-on-cardiometabolic-risk-and-food-consumption-in-a-workplace
#2
JOURNAL ARTICLE
Archana Shrestha, Dipesh Tamrakar, Bhawana Ghinanju, Deepa Shrestha, Parashar Khadka, Bikram Adhikari, Jayana Shrestha, Suruchi Waiwa, Prajjwal Pyakurel, Niroj Bhandari, Biraj Man Karmacharya, Akina Shrestha, Rajeev Shrestha, Rajendra Dev Bhatta, Vasanti Malik, Josiemer Mattei, Donna Spiegelman
BACKGROUND: Worksite-based health programs have shown positive impacts on employee health and have led to significant improvements in cardiovascular risk factor profiles. We aimed to determine the effect of cafeteria intervention on cardio-metabolic risk factors diet in a worksite setting (Dhulikhel Hospital) in Nepal. METHODS: In this one-arm pre-post intervention study, we recruited 277 non-pregnant hospital employees aged 18-60 with prediabetes or pre-hypertension...
2024: PloS One
https://read.qxmd.com/read/38656805/device-related-outcomes-following-hypoglossal-nerve-stimulator-implantation
#3
JOURNAL ARTICLE
Annie E Moroco, Zhikui Wei, Israel Byrd, Andrea Rasmussen, Eugene G Chio, Ryan J Soose, Phillip Huyett, Armin Steffen, Clemens Heiser, Maurits S Boon, Colin T Huntley
STUDY OBJECTIVES: Hypoglossal nerve stimulation (HGNS) has been widely used to treat obstructive sleep apnea in selected patients. Here we evaluate rates of revision and explant related to HGNS implantation and assess types of adverse events contributing to revision and explant. METHODS: Post-market surveillance data for HGNS implanted between January 1, 2018 and March 31, 2022, were collected. Event rates and risk were calculated using the post-market surveillance event counts and sales volume over the same period...
April 24, 2024: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://read.qxmd.com/read/38656053/biogeographic-history-and-environmental-gradients-modulate-non-stationary-patterns-of-tropical-tree-diversity
#4
JOURNAL ARTICLE
Paulo Sérgio M Ferreira, Thiago Gonçalves-Souza, Lilian S Ouchi-Melo, Ary T Oliveira-Filho, Maria Jesus N Rodal
Here we studied the entire Atlantic Forest hotspot to investigate whether the effect of different environmental predictors depends on the phylogenetic extension and the biogeographical history of different Atlantic Forest sectors. We used occurrence data of 3,183 plant species with arboreal or arborescent habits. We reconstructed climatic stability across 120,000 years using the Random Forest method. Then, we compared the effect of biogeographical history, topographic, and climatic variables on species richness and phylogenetic diversity using Geographically Weighted Regression (GWR) models...
2024: Anais da Academia Brasileira de Ciências
https://read.qxmd.com/read/38655785/ultralow-permittivity-and-temperature-stable-ba-1-x-ca-x-mg-2-al-6-si-9-o-30-dielectric-ceramics-for-c-band-patch-antenna-applications
#5
JOURNAL ARTICLE
Kang Du, Mengdie Zhou, Chengyun Li, Changzhi Yin, Yiyang Cai, Mingfei Cheng, Wei Zhu, Guochao Wei, Shengxiang Wang, Wen Lei
Ca-substituted Ba1- x Ca x Mg2 Al6 Si9 O30 ceramics were prepared to explore the relationships among their crystal structural parameters, phase compositions, dielectric properties, and coefficients of thermal expansion and applications in C-band antenna. The maximum solubility of Ba1- x Ca x Mg2 Al6 Si9 O30 was located at x = 0.25, and Ba1- x Ca x Mg2 Al6 Si9 O30 ceramics (0 ≤ x ≤ 0.25) crystallized in the space group P 6/ mcc . In Ba1- x Ca x Mg2 Al6 Si9 O30 single-phase ceramics, εr was dominated by ionic polarizability and "rattling effects" of Ba2+ and Al(2)3+ ; Q × f was controlled by the roundness of [Si4 Al2 O18 ] inner rings and total lattice energy; and τf was affected by the bond valence of Si/Al(1)-O(1)...
April 24, 2024: ACS Applied Materials & Interfaces
https://read.qxmd.com/read/38655737/low-temperature-behaviors-of-the-dipolar-magnet-dy3sb3zn2o14-with-a-strongly-site-mixing-disordered-kagome-lattice
#6
JOURNAL ARTICLE
Chengyu Jiang, Yao Wang, Z F Ding, Lei Shu
Interesting behaviors may emerge in the magnetic frustrated materials with significant site-mixing disorder. We present the results of the structural, magnetic susceptibility, and specific heat measurements of Dy3 Sb3 Zn2 O14 with ~20\% Dy/Zn site-mixing disorder, which results in either a diluted 2D triangular lattice, or an immediate structure between the kagome and pyrochlore lattice. In addition to the sharp anomaly of the temperature dependence of specific heat at T ~ 0.35 K, which was attributed to the emergent charge order state for the sample with less disorder, a broad peak at T ~ 1...
April 23, 2024: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://read.qxmd.com/read/38655375/isoniazid-urine-spectrophotometry-for-prediction-of-serum-pharmacokinetics-in-adults-with-tb
#7
JOURNAL ARTICLE
P S Rao, K Reed, N Modi, D Handler, K Petros de Guex, S Yu, L Kagan, R Reiss, N Narayanan, C A Peloquin, A Lardizabal, C Vinnard, T A Thomas, Y L Xie, S K Heysell
BACKGROUND: Isoniazid (INH) is an important drug in many TB regimens, and unfavorable treatment outcomes can be caused by suboptimal pharmacokinetics. Dose adjustment can be personalized by measuring peak serum concentrations; however, the process involves cold-chain preservation and laboratory techniques such as liquid chromatography (LC)/mass spectrometry (MS), which are unavailable in many high-burden settings. Urine spectrophotometry could provide a low-cost alternative with simple sampling and quantification methods...
February 2024: IJTLD Open
https://read.qxmd.com/read/38655217/effects-of-self-efficacy-on-frontal-midline-theta-power-and-golf-putting-performance
#8
JOURNAL ARTICLE
Chien-Lin Yu, Cheng-Wei Kao, Jia-Hao Wu, Eric Hung, Wei-Chun Chang, Ren-Ting Yang, Kuo-Pin Wang, Tsung-Min Hung
INTRODUCTION: Self-efficacy (SE), defined as an individual's belief in their ability to complete a task, is linked to top-down attentional control, influencing motor performance in sports. Although the behavioral effects of SE are well-documented, there is a lack of research on the mechanisms through which SE affects sports performance. Our research aims to elucidate the neurophysiological mechanisms that underlie the impact of self-efficacy on sports performance. Specifically, we intend to explore the effects of low and high SE on frontal midline theta (Fmθ) activity, associated with sustained top-down attention, and on motor performance...
2024: Frontiers in Psychology
https://read.qxmd.com/read/38655095/overall-review-of-curative-impact-and-barriers-of-car-t-cells-in-osteosarcoma
#9
REVIEW
Guilin Li, Hong Wang, Vafa Meftahpour
Osteosarcoma (OS) is a rare form of cancer and primary bone malignancy in children and adolescents. Current therapies include surgery, chemotherapy, and amputation. Therefore, a new therapeutic strategy is needed to dramatically change cancer treatment. Recently, chimeric antigen receptor T cells (CAR-T cells) have been of considerable interest as it has provided auspicious results and patients suffering from low side effects after injection that resolve with current therapy. However, there are reports that cytokine release storm (CRS) can be observed in some patients...
2024: EXCLI Journal
https://read.qxmd.com/read/38655058/sequential-infiltration-synthesis-of-silicon-dioxide-in-polymers-with-ester-groups-insight-from-in-situ-infrared-spectroscopy
#10
JOURNAL ARTICLE
Mahua Biswas, Vepa Rozyyev, Anil U Mane, Amelia Korveziroska, Uttam Manna, Jeffrey W Elam
New strategies to synthesize nanometer-scale silicon dioxide (SiO2 ) patterns have drawn much attention in applications such as microelectronic and optoelectronic devices, membranes, and sensors, as we are approaching device dimensions shrinking below 10 nm. In this regard, sequential infiltration synthesis (SIS), a two-step gas-phase molecular assembly process that enables localized inorganic material growth in the targeted reactive domains of polymers, is an attractive process. In this work, we performed in situ Fourier transform infrared spectroscopy (FTIR) measurements during SiO2 SIS to investigate the reaction mechanism of trimethylaluminum (TMA) and tri(tert-pentoxy) silanol (TPS) precursors with polymers having ester functional groups (poly(methyl methacrylate) (PMMA), poly(ethyl methacrylate) (PEMA), polycaprolactone (PCL), and poly(t-butyl methacrylate) (PBMA)), for the purpose of growing patterned nanomaterials...
April 18, 2024: Journal of Physical Chemistry. C, Nanomaterials and Interfaces
https://read.qxmd.com/read/38654686/mpox-outbreak-in-rio-de-janeiro-brazil-a-translational-approach
#11
JOURNAL ARTICLE
Guilherme S Lira, Victor A Ota, Mariana Q S Melo, Anna C P Castiñeiras, Isabela C Leitão, Bianca O Silva, Diana Mariani, Cássia C A Gonçalves, Liane J Ribeiro, Marcia Halpern, Thalita F Abreu, Fabiana A Carneiro, Helena T Scheid, Leonardo A V Souza, Débora G M Rodrigues, Nádia V G Cruz, Andrea Cony, Silvia Carvalho, Loyze P O de Lima, Vincent L Viala, Lucio A Caldas, Wanderley de Souza, Luiza M Higa, Carolina M Voloch, Orlando C Ferreira, Clarissa R Damaso, Rafael M Galliez, Débora S Faffe, Amilcar Tanuri, Terezinha M P P Castiñeiras
Mpox is a zoonotic disease historically reported in Africa. Since 2003, limited outbreaks have occurred outside Africa. In 2022, the global spread of cases with sustained interhuman transmission and unusual disease features raised public health concerns. We explore the mpox outbreak in Rio de Janeiro (RJ) state, Brazil, in an observational study of mpox-suspected cases from June to December 2022. Data collection relied on a public healthcare notification form. Diagnosis was determined by MPXV-PCR. In 46 confirmed cases, anti-OPXV IgG was determined by ELISA, and seven MPXV genomes were sequenced...
May 2024: Journal of Medical Virology
https://read.qxmd.com/read/38654298/immune-escape-of-multiple-myeloma-cells-results-from-low-mir29b-and-the-ensuing-epigenetic-silencing-of-proteasome-genes
#12
JOURNAL ARTICLE
Patrizia Leone, Eleonora Malerba, Marcella Prete, Antonio Giovanni Solimando, Giorgio Alberto Croci, Paolo Ditonno, Marco Tucci, Nicola Susca, Afshin Derakhshani, Antoine Dufour, Valli De Re, Nicola Silvestris, Vito Racanelli
BACKGROUND: Activation of CD28 on multiple myeloma (MM) plasma cells, by binding to CD80 and CD86 on dendritic cells, decreases proteasome subunit expression in the tumor cells and thereby helps them evade being killed by CD8+ T cells. Understanding how CD28 activation leads to proteasome subunit downregulation is needed to design new MM therapies. METHODS: This study investigates the molecular pathway downstream of CD28 activation, using an in vitro model consisting of myeloma cell lines stimulated with anti-CD28-coated beads...
April 23, 2024: Biomarker Research
https://read.qxmd.com/read/38654274/relationship-between-workplace-spirituality-with-organization-based-self-esteem-and-workplace-deviant-behaviors-among-iranian-nurses
#13
JOURNAL ARTICLE
Behzad Sirousi Moez, Amir Sadeghi, Leili Tapak, Zahra Purfarzad
BACKGROUND: Despite the numerous studies conducted on workplace spirituality, there is still lack of studies that have explored the relationship between workplace spirituality with organization-based self-esteem and workplace deviant behaviors. This study aims to examine the relationship between workplace spirituality with organization-based self-esteem and workplace deviant behaviors among Iranian nurses. METHODS: 236 nurses from 5 hospitals participated in this descriptive, analytical, and cross-sectional study from August to December 2022...
April 23, 2024: BMC Nursing
https://read.qxmd.com/read/38654220/the-mediating-role-of-depressive-symptoms-among-turkish-population-related-to-gender-and-low-back-pain-evidence-from-a-national-health-survey
#14
JOURNAL ARTICLE
Nadire Gülçin Yıldız, Halide Z Aydin, Grace Sambo, Kemal Aydın, Hatice Yıldız, Ichtiarini Nurullita Santri, Yuniar Wardani, Bwanalori Mwamulima, Khoiriyah Isni, Yohane V A Phiri
BACKGROUND: Low back pain (LBP), though non-life-threatening, burdens healthcare with treatment expenses and work hours lost. Globally, 70-84% experience it, with risk factors tied to societal structure, income, and living conditions, making it a leading cause of disability. METHODS: This study utilized data from the 2019 Türkiye Health Survey, which consisted of 17,084 individuals aged 15 and above. Our study focused on investigating the factors related to low back pain through a cross-sectional analysis...
April 23, 2024: BMC Public Health
https://read.qxmd.com/read/38654197/socioeconomic-and-cultural-factors-associated-with-pap-smear-screening-among-french-women-living-in-r%C3%A3-union-island
#15
JOURNAL ARTICLE
Rémi Houpert, Marc-Karim Bendiane, Laetitia Huiart, Anne-Deborah Bouhnik, Caroline Alleaume, Rajae Touzani, Jacqueline Veronique-Baudin, Julien Mancini, Clarisse Joachim, Emmanuel Chirpaz
BACKGROUND: Réunion Island is a French overseas territory located in the southern Indian Ocean, with a challenging socioeconomic and multicultural context. Compared to mainland France, Réunion has an overincidence and overmortality of cervical cancer. In order to investigate these two issues, it is important to evaluate the barriers and potential levers to Pap smear screening among female inhabitants of the island. We aimed to identify the specific socio-demographic factors, cultural factors, and living conditions associated with Pap smear screening in Réunion, with a view to increasing uptake...
April 23, 2024: BMC Public Health
https://read.qxmd.com/read/38654175/predicting-the-need-for-urgent-endoscopic-intervention-in-lower-gastrointestinal-bleeding-a-retrospective-review
#16
JOURNAL ARTICLE
Barzany Ridha, Nigel Hey, Lauren Ritchie, Ryan Toews, Zachary Turcotte, Brad Jamison
BACKGROUND: Lower gastrointestinal bleeding (LGIB) is a common reason for emergency department visits and subsequent hospitalizations. Recent data suggests that low-risk patients may be safely evaluated as an outpatient. Recommendations for healthcare systems to identify low-risk patients who can be safely discharged with timely outpatient follow-up have yet to be established. The primary objective of this study was to determine the role of patient predictors for the patients with LGIB to receive urgent endoscopic intervention...
April 23, 2024: BMC Emergency Medicine
https://read.qxmd.com/read/38653749/referrals-for-proliferative-diabetic-retinopathy-from-two-uk-diabetic-retinopathy-screening-services-a-10-year-analysis-of-visual-outcomes-requirement-for-vitrectomy-and-mortality
#17
JOURNAL ARTICLE
Salman Naveed Sadiq, Chan Ning Lee, Ben Charmer, Emily Jones, Maged S Habib, Maria T Sandinha, Ticiana Criddle, David H W Steel
BACKGROUND/OBJECTIVES: To determine long-term outcomes of patients referred with proliferative diabetic retinopathy (PDR) from diabetic eye screening programmes (DESP) to tertiary care centres in the United Kingdom (UK). METHODS: Retrospective multicentre study of patients referred from two DESPs in the UK over a 36-month period (2007-9) and followed-up for 10 years. Critical outcomes included severe vision loss (SVL) and the need for vitrectomy. Other outcomes assessed included moderate vision loss (MVL), and patient survival time...
April 23, 2024: Eye
https://read.qxmd.com/read/38653556/using-the-rox-index-to-predict-treatment-outcome-for-high-flow-nasal-cannula-and-or-noninvasive-ventilation-in-patients-with-copd-exacerbations
#18
JOURNAL ARTICLE
Brett Z Schaeffer, Sarina A Fazio, Jacqueline C Stocking, Jason Y Adams, Anna Liu, Hugh B Black, Richart W Harper, Irene Cortes-Puch, Timothy E Albertson, Brooks T Kuhn
BACKGROUND: The ratio of oxygen saturation index (ROX index; or SpO2 /FIO2 /breathing frequency) has been shown to predict risk of intubation after high-flow nasal cannula (HFNC) support among adults with acute hypoxemic respiratory failure primarily due to pneumonia. However, its predictive value for other subtypes of respiratory failure is unknown. This study investigated whether the ROX index predicts liberation from HFNC or noninvasive ventilation (NIV), intubation with mechanical ventilation, or death in adults admitted for respiratory failure due to an exacerbation of COPD...
April 23, 2024: Respiratory Care
https://read.qxmd.com/read/38653446/electrocardiographic-abnormalities-in-patients-with-metabolic-dysfunction-associated-steatotic-liver-disease-a-systematic-review-and-meta-analysis
#19
JOURNAL ARTICLE
Christian Akem Dimala, Nso Nso, Jeremiah Wasserlauf, Basile Njei
INTRODUCTION: This study review aimed to consolidate current knowledge on the electrocardiographic abnormalities observed in patients with Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD), formerly known as Non-Alcoholic Fatty Liver Disease (NAFLD). METHODS: This was a systematic review of studies on the association between MASLD and electrocardiographic abnormalities, published between January 1, 1946, and October 31, 2023. Data from eligible studies were extracted, analyzed, synthesized, and summarized...
April 21, 2024: Current Problems in Cardiology
https://read.qxmd.com/read/38653427/synthesis-and-biological-properties-of-novel-glucose-based-macromolecular-architectures
#20
JOURNAL ARTICLE
Nagamalleswara Rao Indla, Yeggada Maruthi, Reetika Rawat, T Sandeep Kumar, N Ramesh Reddy, Manu Sharma, Tejraj M Aminabhavi, Raghava Reddy Kakarla, Annadanam V Sesha Sainath
The emergence of novel well-defined biological macromolecular architectures containing fluorine moieties displaying superior functionalities can satisfactorily address many biomedical challenges. In this research, ABA- and AB-type glucose-based biological macromolecules were synthesized using acryl-2,3,4,6-tetra-O-acetyl-D-glucopyranoside with pentafluorophenyl (FPM), pentafluorobenzyl (FBM), phenyl (PM) and benzyl (BM) methacrylate-based macro-RAFT agents following RAFT polymerization. The macro-RAFT agents and the corresponding copolymers were characterized by 19 F, 1 H-, and 13 C NMR and FTIR spectroscopic techniques to understand the chemical structure, molecular weight by size-exclusion chromatography, thermal analysis by TGA and DSC...
April 21, 2024: International Journal of Biological Macromolecules
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