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JOURNAL ARTICLE
Francesca Pagliari, Jeannette Jansen, Jan Knoll, Rachel Hanley, Joao Seco, Luca Tirinato
BACKGROUND: Cancer radiation treatments have seen substantial advancements, yet the biomolecular mechanisms underlying cancer cell radioresistance continue to elude full understanding. The effectiveness of radiation on cancer is hindered by various factors, such as oxygen concentrations within tumors, cells' ability to repair DNA damage and metabolic changes. Moreover, the initial and radiation-induced cell cycle profiles can significantly influence radiotherapy responses as radiation sensitivity fluctuates across different cell cycle stages...
April 20, 2024: Cell Division
#2
JOURNAL ARTICLE
Lyubov Smaglyuk, Anna Karasiunok, Nelia Kulish, Anastasiia Liakhovska, Hanna Voronkova, Alevtyna Bilous, Valeriy Smaglyuk
OBJECTIVE: Aim: Optimization of the clinical and diagnostic examination algorithm of patients with cross bite, aggravated by cranio-mandibular dysfunction and postural disorders. PATIENTS AND METHODS: Materials and Methods: 22 patients aged 13-16 years with cross bite with displacement of the lower jaw were examined. The first group consisted of 15 people with a right-sided displacement of the lower jaw, the second - 7 patients with a left-sided one. The condition of the musculoskeletal system was assessed by the position of the head, shoulders, shoulder blades, back (curvature of the spine), legs, chest shape, and abdomen...
2024: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
#3
JOURNAL ARTICLE
Ronan Smith, Kaye S Morgan, Alexandra McCarron, Patricia Cmielewski, Nichole Reyne, David Parsons, Martin Donnelley
Magnetic nanoparticles can be used as a targeted delivery vehicle for genetic therapies. Understanding how they can be manipulated within the complex environment of live airways is key to their application to cystic fibrosis and other respiratory diseases.
Approach: Dark-field X-ray imaging provides sensitivity to scattering information, and allows the presence of structures smaller than the detector pixel size to be detected. In this study, ultrafast directional dark-field synchrotron X-ray imaging was utlilised to understand how magnetic nanoparticles move within a live, anaesthetised, rat airway under the influence of static and moving
magnetic fields...
April 19, 2024: Physics in Medicine and Biology
#4
JOURNAL ARTICLE
A Francheteau, L Gaudefroy, G Scamps, O Roig, V Méot, A Ebran, G Bélier
We report on a study of the radiative decay of fission fragments populated via neutronless fission of ^{252}Cf(sf). Applying the double-energy method a perfect mass identification is achieved for these rare events. In the specific case of the ^{120}Cd/^{132}Sn cold fragmentation, we find that ^{132}Sn is produced in its ground state. We can therefore directly measure the excitation energy of the complementary fragment, ^{120}Cd. The reproduction of the γ-ray spectrum, measured in coincidence with the neutronless fission events, is sensitive to the angular momentum distribution of the studied primary fragment...
April 5, 2024: Physical Review Letters
#5
JOURNAL ARTICLE
David Mahwera, Erick Killel, Ninael Jonas, Adam Hancy, Anna Zangira, Aika Lekey, Rose Msaki, Doris Katana, Rogath Kishimba, Debora Charwe, Fatma Abdallah, Geofrey Chiduo, Ray Masumo, Germana Leyna, Geofrey Mchau
BACKGROUND: The evaluation of surveillance systems has been recommended by the World Health Organization (WHO) to identify the performance and areas for improvement. Universal salt iodization (USI) as one of the surveillance systems in Tanzania needs periodic evaluation for its optimal function. This study aimed at evaluating the universal salt iodization (USI) surveillance system in Tanzania from January to December 2021 to find out if the system meets its intended objectives by evaluating its attributes as this was the first evaluation of the USI surveillance system since its establishment in 2010...
2024: PloS One
#6
REVIEW
Yoshitomo Hamuro
This paper sheds light on the meaning of hydrogen/deuterium exchange-mass spectrometry (HDX-MS) data. HDX-MS data provide not structural information but dynamic information on an analyte protein. First, the reaction mechanism of backbone amide HDX reaction is considered and the correlation between the parameters from an X-ray crystal structure and the protection factors of HDX reactions of cytochrome c is evaluated. The presence of H-bonds in a protein structure has a strong influence on HDX rates which represent protein dynamics, while the solvent accessibility only weakly affects the HDX rates...
April 19, 2024: Journal of the American Society for Mass Spectrometry
#7
JOURNAL ARTICLE
Joanna Gajewska, Magdalena Chełchowska, Grażyna Rowicka, Witold Klemarczyk, Ewa Głąb-Jabłońska, Jadwiga Ambroszkiewicz
BACKGROUND: Assessing bone turnover in paediatric populations is crucial for understanding the physiological changes occurring during skeletal development and identifying potential abnormalities. The objective of this study was to assess osteocalcin (OC), bone alkaline phosphatase (BALP), and C-terminal telopeptide of type I collagen (CTX-I) levels reflecting bone formation and resorption for age and sex in Polish healthy children and adolescents. MATERIALS AND METHODS: A total of 355 healthy normal-weight children and adolescents (46...
February 1, 2024: Journal of mother and child
#8
JOURNAL ARTICLE
Tunde Blessed Shonde, He Liu, Oluwadara Joshua Olasupo, Alexander Bouchard, Sara Bouchard, Annaliese Franklin, Xinsong Lin, Luis M Stand, Biwu Ma
The expanding applications of X-ray scintillation across various areas, from healthcare to security detection call for the development of new-generation scintillators that offer enhanced sensitivity, efficiency, and versatility. Here, we report for the first time the use of organic metal halide complexes with aggregation-induced emission (AIE) for X-ray scintillation, which can be facilely synthesized and processed in the solution phase. By reacting an AIE organic molecule, 4-(4-(diphenylamino) phenyl)-1-(propyl)-pyridinium (TPA-PD) with zinc chloride (ZnCl2 ) in solution at room temperature, an organic metal halide complex, (TPA-PD)2 ZnCl2 , is produced with a high synthetic yield of 87%...
April 19, 2024: Materials Horizons
#9
JOURNAL ARTICLE
Gabriele Hierlmeier, Roger Jan Kutta, Peter Coburger, Hans-Georg Stammler, Jan Schwabedissen, Norbert W Mitzel, Maria Dimitrova, Raphael J F Berger, Patrick Nuernberger, Robert Wolf
Di- tert -butyldiphosphatetrahedrane ( t BuCP)2 (1) is a mixed carbon- and phosphorus-based tetrahedral molecule, isolobal to white phosphorus (P4 ). However, despite the fundamental significance and well-explored reactivity of the latter molecule, the precise structure of the free ( t BuCP)2 molecule (1) and a detailed analysis of its electronic properties have remained elusive. Here, single-crystal X-ray structure determination of 1 at low temperature confirms the tetrahedral structure. Furthermore, quantum chemical calculations confirm that 1 is isolobal to P4 and shows a strong largely isotropic diamagnetic response in the magnetic field and thus pronounced spherical aromaticity...
April 17, 2024: Chemical Science
#10
JOURNAL ARTICLE
Mingxing Zhang, Junchang Chen, Xiaofang Zhao, Xuanzhi Mao, Chunyang Li, Juan Diwu, Guozhong Wu, Zhifang Chai, Shuao Wang
Metal-organic framework (MOF) based heterostructures, which exhibit enhanced or unexpected functionality and properties due to synergistic effects, are typically synthesized using post-synthetic strategies. However, several reported post-synthetic strategies remain unsatisfactory, considering issues such as damage to the crystallinity of MOFs, presence of impure phases, and high time and energy consumption. In this work, we demonstrate for the first time a novel route for constructing MOF based heterostructures using radiation-induced post-synthesis, highlighting the merits of convenience, ambient conditions, large-scale production, and notable time and energy saving...
April 18, 2024: Angewandte Chemie
#11
JOURNAL ARTICLE
Lindokuhle Simelane, Precious Mahlambi, Sebastien Rochat, Ben Baker
Antiretroviral drugs (ARVDs) have been extensively employed in health care to improve the quality of life and lifecycle longevity. However, overuse and improper disposal of ARVDs have been recognized as an emerging concern whereby wastewater treatment major recipients. Therefore, in this work, the activated macadamia nutshells (MCNs) were explored as low-cost adsorbents for the removal of ARVDs in wastewater samples. Fourier transform infrared spectroscopy (FTIR), Scanning Electron microscopy (SEM), Brunauer-Emmet-Teller (BET), and Powder X-ray diffraction (PXRD)...
April 2024: Water Environment Research: a Research Publication of the Water Environment Federation
#12
JOURNAL ARTICLE
Meng-Fei Wang, Tian-Ze Li, Yun-Bao Ma, Wen-Jing Ma, Yong-Cui Wang, Feng-Jiao Li, Ji-Jun Chen
Artemyriantholides A-K (1-11) as well as 14 known compounds (12-25) were isolated from Artemisia myriantha var. pleiocephala (Asteraceae). The structures and absolute configuration of compounds 2 and 8-9 were confirmed by the single crystal X-ray diffraction analyses, and the others were elucidated by MS, NMR spectral data and electronic circular dichroism calculations. All compounds were chemically characterized as guaiane-type sesquiterpenoid dimers (GSDs). Compound 1 was the first example of the GSD fused via C-3/C-11' and C-5/C-13' linkages, and compounds 2 and 5 were rare GSDs containing chlorine atoms...
April 16, 2024: Phytochemistry
#13
JOURNAL ARTICLE
Siriporn Sasimontonkul, Jintana Sirivarasai
PURPOSE: There is some controversy regarding cytokines released from adipocytes, particularly adiponectin, leptin, and IL6 that regulate bone remodeling. In addition, IL6 is released from muscle contraction, which might have a distinct role in bone remodeling. Hence, this study investigated whether muscle contraction during a session of 40 min of high intensity interval training (40-min HIIT) and after 16 weeks of HIIT (16-wk HIIT) altered the release of those cytokines and bone remodeling in overweight women...
April 16, 2024: Bone
#14
JOURNAL ARTICLE
Cailing Fan, Muhammad Khurram Tufail, Chaoyuan Zeng, Sajid Mahmood, Xiaoxiao Liang, Xianzhe Yu, Xinting Cao, Qinxi Dong, Niaz Ahmad
Solid-state electrolytes (SSEs) based on sulfides have become a subject of great interest due to their superior Li-ion conductivity, low grain boundary resistance, and adequate mechanical strength. However, they grapple with chemical instability toward moisture hypersensitivity, which decreases their ionic conductivity, leading to more processing requirements. Herein, a Li9.8 GeP1.7 Sb0.3 S11.8 I0.2 (LGPSSI) superionic conductor is designed with a Li+ conductivity of 6.6 mS cm-1 and superior air stability based on hard and soft acids and bases (HSAB) theory...
April 18, 2024: ACS Applied Materials & Interfaces
#15
JOURNAL ARTICLE
Dana Golden, R O Corbett, Minton Truitt Cooper, Jay Hertel
BACKGROUND: There is no gold standard for a walking orthosis after first metatarsophalangeal joint (MTPJ) arthrodesis surgery. Evaluation of plantar pressure measures and patient perceptions for different orthoses may assist surgeons to choose a postsurgery orthotic. The purpose of this study was to measure plantar pressure under the distal first ray during walking and patient perceptions of comfort, stability, and preference with 4 different orthoses in patients with a history of first MTPJ arthrodesis...
April 18, 2024: Prosthetics and Orthotics International
#16
JOURNAL ARTICLE
Alice Jane McEllin, Christopher A Goult, Golam Mohiuddin, Liam J Curtis, Theo F N Tanner, Adrian C Whitwood, Jason M Lynam, Duncan W Bruce
A series of isomeric bis-2,6-(monoalkoxyphenyl)pyridine and bis-2,6-(dialkoxyphenyl)pyridine ligands were synthesized and characterized. In order to prepare their chlorogold(III) complexes, intermediate chloromercury(II) complexes were first prepared, but unlike observations from previous studies where they were obtained impure and at best in moderate yield, here pure complexes were synthesized, many in rather high yields. Depending on the substitution pattern of the alkoxy chains on the ligands, mono- and/or dimercurated complexes were obtained, characterized by 1 H, 13 C{1 H}, and 199 Hg NMR spectroscopy as well as, in several cases, by X-ray crystallography...
April 18, 2024: Inorganic Chemistry
#17
JOURNAL ARTICLE
Isabelle Munyangaju, Benedita José, Ridwaan Esmail, Megan Palmer, Begoña Santiago, Alicia Hernanz-Lobo, Crimenia Mutemba, Patricia Perez, Liebe Hendrietta Tlhapi, Vanessa Mudaly, Richard D Pitcher, Andreas Jahnen, Eliseo Vañó Carruana, Elisa López-Varela, Isabelle Thierry-Chef
INTRODUCTION: Tuberculosis remains one of the top ten causes of mortality globally. Children accounted for 12% of all TB cases and 18% of all TB deaths in 2022. Paediatric TB is difficult to diagnose with conventional laboratory tests, and chest radiographs remain crucial. However, in low-and middle-income countries with high TB burden, the capacity for radiological diagnosis of paediatric TB is rarely documented and data on the associated radiation exposure limited. METHODS: A multicentre, mixed-methods study is proposed in three countries, Mozambique, South Africa and Spain...
2024: PloS One
#18
JOURNAL ARTICLE
Duy Cong Tran, Linh Hoang Gia Le, Truc Thanh Thai, Sy Van Hoang, Minh Duc Do, Binh Quang Truong
The pathogenesis and prognosis of patients with acute myocardial infarction (AMI) may be influenced by both genetic and environmental factors. Findings on the relationship of polymorphisms in various genes encoding the renin-angiotensin-aldosterone system with coronary artery lesions and mortality in AMI patients are inconsistent. The aim of this study was to determine whether the AGTR1 A1166C genetic polymorphism affects coronary artery lesions and 1-year mortality in post-AMI patients. Patients with their first AMI admitted to Cho Ray Hospital, Vietnam, from January 2020 to August 2021 were enrolled in this prospective clinical study...
2024: PloS One
#19
JOURNAL ARTICLE
Mathieu Vinet, Dylan Moullac, Guillaume David, Tristan Segalen, Caroline Lucas, Frédéric Dubrana, Hoel Letissier, Rémi Di Francia
PURPOSE: Open surgical approaches for the treatment of anterior pelvic arc lesions are associated with several complications. We present the first retrospective descriptive case series on the use of laparoscopy as an alternative. METHODS: This descriptive, retrospective, single-centre study enrolled all patients who underwent laparoscopy for the treatment of pelvic ring disruption between May 2020 and March 2022. The primary outcome was the procedure failure rate based on conversion to open surgery...
April 18, 2024: International Orthopaedics
#20
JOURNAL ARTICLE
Francesco Massari, Matteo Santoni, Hideki Takeshita, Yohei Okada, Jose Carlos Tapia, Umberto Basso, Marco Maruzzo, Sarah Scagliarini, Thomas Büttner, Giuseppe Fornarini, Zin W Myint, Luca Galli, Vinicius Carrera Souza, Renate Pichler, Ugo De Giorgi, Nathalia Gandur, Elaine T Lam, Danielle Gilbert, Lazar Popovic, Enrique Grande, Giulia Mammone, Rossana Berardi, Simon J Crabb, Robert Kemp, Javier Molina-Cerrillo, Marcelo Freitas, Murilo Luz, Roberto Iacovelli, Fabio Calabrò, Deniz Tural, Francesco Atzori, Zsófia Küronya, Rita Chiari, Saul Campos, Orazio Caffo, André P Fay, Jakub Kucharz, Paolo Andrea Zucali, José Augusto Rinck, Annalisa Zeppellini, Diogo Assed Bastos, Gaetano Aurilio, Augusto Mota, Karine Trindade, Cinzia Ortega, Juan Pablo Sade, Mimma Rizzo, Ondřej Fiala, Nuno Vau, Patrizia Giannatempo, Allan Barillas, Fernando Sabino M Monteiro, Breno Dauster, Alessia Mennitto, Lucas Nogueira, Roni de Carvalho Fernandes, Emmanuel Seront, Luís Garcia Aceituno, Francesco Grillone, Hernan Javier Cutuli, Mauricio Fernandez, Maria Bassanelli, Ray Manneh Kopp, Giandomenico Roviello, Halima Abahssain, Giuseppe Procopio, Michele Milella, Jindrich Kopecky, Angelo Martignetti, Carlo Messina, Manuel Caitano, Eva Inman, Ravindran Kanesvaran, Daniel Herchhorn, Daniele Santini, Aristotelis Bamias, Renato Bisonni, Alessandra Mosca, Franco Morelli, Fernando Maluf, Andrey Soares, Fernando Nunes, Alvaro Pinto, Anca Zgura, Lorena Incorvaia, Jawaher Ansari, Ignacio Ortego Zabalza, Johannes Landmesser, Alessandro Rizzo, Veronica Mollica, Andrea Marchetti, Matteo Rosellini, Giulia Sorgentoni, Nicola Battelli, Sebastiano Buti, Camillo Porta, Joaquim Bellmunt
BACKGROUND: Immune checkpoint inhibitors have changed previous treatment paradigm of advanced urothelial carcinoma (UC). The ARON-2 study (NCT05290038) aimed to assess the real-world effectiveness of pembrolizumab in patients recurred or progressed after platinum-based chemotherapy. PATIENTS AND METHODS: Medical records of patients with documented metastatic UC treated by pembrolizumab as second-line therapy were retrospectively collected from 88 institutions in 23 countries...
April 18, 2024: Cancer Immunology, Immunotherapy: CII
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