200 results match your criteria: "Center of Research and Development[Affiliation]"
Langmuir
November 2023
School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China.
Liquid deformation and motion are very common natural phenomena and of great value in various practical applications. In this study, a dielectric fluid column formation and directional flow phenomenon are presented. Dielectric fluid can grow upward to form a liquid column through a spatial electric field and realize directional and controllable operation of the liquid column by regulating spatial electric field distribution.
View Article and Find Full Text PDFFront Immunol
October 2023
Department of Vaccine Clinical Evaluation, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu, China.
Background: Updated vaccine strategies are needed to protect against new SARS-CoV-2 variants with increased immune escape. Here, information on the safety and immunogenicity of an inactivated Omicron-adapted vaccine is presented, as compared with CoronaVac.
Methods: A randomized, double-blind, active-controlled, phase III clinical trial was conducted to compare a modified Omicron-adapted vaccine (Omicron vaccine) with the authorized prototype vaccine (CoronaVac®) as a booster dose.
Virus Res
October 2023
Laboratory of Microbial Ecology and Genomics, Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy.
Virus Res
October 2023
Department of Molecular Structural Biology, Max Planck Institute of Biochemistry, Martinsried 82152, Germany. Electronic address:
The coronavirus disease 2019 (COVID-19) pandemic is fading, however its etiologic agent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) continues posing - despite the availability of licensed vaccines - a global health threat, due to the potential emergence of vaccine-resistant SARS-CoV-2 variants. This makes the development of new drugs against COVID-19 a persistent urgency and sets as research priority the validation of novel therapeutic targets within the SARS-CoV-2 proteome. Among these, a promising one is the SARS-CoV-2 nucleocapsid (N) phosphoprotein, a major structural component of the virion with indispensable role in packaging the viral genome into a ribonucleoprotein (RNP) complex, which also contributes to SARS-CoV-2 innate immune evasion by inhibiting the host cell type-I interferon (IFN-I) response.
View Article and Find Full Text PDFBiochem Biophys Res Commun
June 2023
Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand; Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, Thailand; Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand; The Academy of Science, The Royal Society of Thailand, Bangkok, Thailand. Electronic address:
Fibroblast growth factor (FGF)-23 and calcium-sensing receptor (CaSR) have previously been postulated to be parts of a negative feedback regulation of the intestinal calcium absorption to prevent excessive calcium uptake and its toxicity. However, the underlying mechanism of this feedback regulation remained elusive, especially whether it required transcription of FGF-23. Herein, we induced calcium hyperabsorptive state (CHS) by exposing intestinal epithelium-like Caco-2 monolayer to 30 mM CaCl and 1,25-dihydroxyvitamin D [1,25(OH)D] after which FGF-23 mRNA levels and transepithelial calcium flux were determined.
View Article and Find Full Text PDFSensors (Basel)
March 2023
Escuela Superior Politécnica del Litoral, ESPOL, Departamento de Física, Campus Gustavo Galindo, Km 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil 090150, Ecuador.
Based on orbital angular momentum (OAM) properties of Laguerre-Gaussian beams LG(p,ℓ), a robust optical encoding model for efficient data transmission applications is designed. This paper presents an optical encoding model based on an intensity profile generated by a coherent superposition of two OAM-carrying Laguerre-Gaussian modes and a machine learning detection method. In the encoding process, the intensity profile for data encoding is generated based on the selection of and indices, while the decoding process is performed using a support vector machine (SVM) algorithm.
View Article and Find Full Text PDFJ Environ Sci Health B
March 2023
Chief of Developmental Endocrinology Unit, Clinicas' Hospital University of Sao Paulo, Medical School, São Paulo, Brazil.
Due to their selective toxicity to insects, nicotinoid compounds have been widely used to control pests in crops and livestock around the world. However, despite the advantages presented, much has been discussed about their harmful effects on exposed organisms, either directly or indirectly, with regards to endocrine disruption. This study aimed to evaluate the lethal and sublethal effects of imidacloprid (IMD) and abamectin (ABA) formulations, separately and combined, on zebrafish () embryos at different developmental stages.
View Article and Find Full Text PDFPlasmid
March 2023
Enshi Tujia & Miao Autonomous Prefecture Academy of Agricultural Sciences, Enshi 445000, China; Center of Research and Development, Senium Science Development (Zhejiang) Company Limited, Hangzhou 311121, China. Electronic address:
The effective utilization of traditional Chinese medicine (TCM) has been challenged by the difficulty to accurately distinguish between similar plant varieties. The stability and conservation of the chloroplast genome can aid in resolving genotypes. Previous studies using nuclear sequences and molecular markers have not effectively differentiated the species from related taxa, such as Machilus leptophylla, Hanceola exserta, Rubus bambusarum, and Rubus henryi.
View Article and Find Full Text PDFLancet Reg Health Am
November 2022
Institute of Tropical Diseases, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas, Peru.
Background: Malaria is one of the biggest impediments to global progress. In Peru, it is still a major public health problem. Measures of health and economic burden due to malaria are relevant considerations for the assessment of current policies.
View Article and Find Full Text PDFCureus
January 2023
School of Medicine, Örebro University, Örebro, SWE.
Combinations of drugs may be fixed (two or more entities in a single product) or loose (two or more agents taken together but as individual agents) to help address multimechanistic pain. The use of opioids plus nonopioids can result in lower opioid consumption without sacrificing analgesic benefits. Drug combinations may offer additive or synergistic benefits.
View Article and Find Full Text PDFExpert Opin Pharmacother
February 2023
Paolo Procacci Foundation, Roma, Italy.
PLoS One
November 2022
Faculty of Science, Center of Calcium and Bone Research (COCAB), Mahidol University, Bangkok, Thailand.
Vasoactive intestinal peptide (VIP) as a neurocrine factor released by enteric neurons has been postulated to participate in the regulation of transcellular active calcium transport across intestinal epithelium, but the preceding evidence is scant and inconclusive. Herein, transepithelial calcium flux and epithelial electrical parameters were determined by Ussing chamber technique with radioactive tracer in the intestinal epithelium-like Caco-2 monolayer grown on Snapwell. After 3-day culture, Caco-2 cells expressed mRNA of calcium transporters, i.
View Article and Find Full Text PDFCureus
June 2022
Research, Paolo Procacci Foundation, Rome, ITA.
Atypical opioids such as tramadol, tapentadol, and cebranopadol combine two complementary mechanisms of action into a single molecule, creating novel analgesic agents. These are synthetic small molecules: cebranopadol is not yet market released; tramadol and tapentadol are commercially available and have immediate-release (IR) and extended-release (ER) formulations. Tramadol has been widely used in the United States in recent years and works as a prodrug in that its metabolites are active in inhibiting serotonin and norepinephrine reuptake.
View Article and Find Full Text PDFCureus
February 2022
Pain Management, Paolo Procacci Foundation, Rome, ITA.
Cocaine is taken frequently together with ethanol and this combination produces a psychoactive metabolite called cocaethylene which has similar properties to the parent drug and may be more cardiotoxic. Cocaethylene has a longer half-life than cocaine, so that people who combine cocaine and ethanol may experience a longer-lasting, as well as more intense, psychoactive effect. Cocaethylene is the only known instance where a new psychoactive substance is formed entirely within the body.
View Article and Find Full Text PDFBiology (Basel)
March 2022
Dipartimento di Ingegneria e Architettura, Università degli Studi di Trieste, 34127 Trieste, Italy.
The aim of the present work is the characterization of biscuit doughs enriched with pomegranate peel powder (PPP) at 3 (PPP3) and 5 (PPP5) wt% in the prospect of developing a fortified aliment as a support of the therapy of chronic inflammatory diseases of the intestinal tract. The total phenolic content of the powder was preliminarily evaluated. Then, the main compounds present in the PPP were identified by HPLC-ESI-TOF-MS analysis, being mainly hydrolysable tannins.
View Article and Find Full Text PDFPremature babies often suffer apnea of prematurity as a physiological consequence of an immature respiratory system. Hypercapnia may develop, and neonates with apnea of prematurity are at an increased risk of morbidity and mortality. The long-term effects of apnea of prematurity or their treatments are less clear.
View Article and Find Full Text PDFInt J Med Sci
March 2022
Division of Plastic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
Orbital floor fractures subsequently lead to consequences such as diplopia and enophthalmos. The graft materials used in orbital floor fractures varied from autografts to alloplastic grafts, which possess certain limitations. In the present study, a novel porcine bone matrix decellularized by supercritical CO2 (scCO2), ABCcolla® Collagen Bone Graft, was used for the reconstruction of the orbital framework.
View Article and Find Full Text PDFJ Physiol
March 2022
INSERM U1151, Institut Necker-Enfants Malades, Paris, France.
Indian J Community Med
October 2021
Department of Reproductive Health, Faculty of Public Health, Ahmad Dahlan University, Yogyakarta, Indonesia.
Background: The lack of perception related to the risk of pregnancy and contraceptive use's side effects is the main reason for not using contraceptives.
Objective: This study aimed to analyze barriers to contraceptive use among multiparous women in Indonesia.
Methods: This study employed the 2017 Indonesia Demographic and Health Survey.
J Clin Neurosci
November 2021
Department of Neurology, Puai Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430033, China. Electronic address:
Introduction: Hyposmia is among the most common symptoms of COVID-19 patients. Previous research has mainly described this issue at the disease's early stages. Because olfactory impairment can indicate neurological degeneration, we investigated the possibility of permanent olfactory damage by assessing hyposmia during the late recovery stage of COVID-19 patients.
View Article and Find Full Text PDFCureus
August 2021
Department of Pharmacy, Temple University, Philadelphia, USA.
The 'third wave' of the ongoing opioid overdose crisis in the United States (US) is driven in large measure by illicitly manufactured fentanyl (IMF), a highly potent synthetic opioid or an analog developed in clandestine laboratories primarily in China and Mexico. It is smuggled into this country either as IMF or as precursors. The southern border of the US is a frequent point of entry for smuggled IMF and the amounts are increasing year over year.
View Article and Find Full Text PDFFront Neurol
September 2021
Danish Dementia Research Center, Rigohospitalet, University of Copenhagen, Copenhagen, Denmark.
More than half of the people with dementia live in lower-middle income countries (LMIC), yet we lack research and evidence-based knowledge to guide health promotion and prevention strategies for cognitive decline. In the Philippines, the prevalence of mild cognitive impairment (MCI) and cardiovascular risk factors among older persons are high, making this population at high risk for developing dementia. This protocol describes a cluster randomized controlled trial that aims to investigate the efficacy of a multicomponent intervention to maintain cognitive performance among high-risk population.
View Article and Find Full Text PDFNurs Inq
July 2022
Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan.
Prolonged implementation of lockdowns during the coronavirus disease 2019 (COVID-19) pandemic has resulted in older adults living alone in social isolation. The purpose of the study was to describe the meaning of the experience of Filipino older adults, who are living alone and using social media technologies during the COVID-19 pandemic. Eight participants who met the inclusion criteria were interviewed using the snowball selection technique.
View Article and Find Full Text PDFMaterials (Basel)
August 2021
College of Civil Engineering, University Town, Key Lab of Fujian Province, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China.
Every year, structural flaws or breakdowns cause thousands of people to be harmed and cost billions of dollars owing to the limitations of design methods and materials to withstand extreme earthquakes. Since earthquakes have a significant effect on sustainability factors, there is a contradiction between these constraints and the growing need for more sustainable structures. There has been a significant attempt to circumvent these constraints by developing various techniques and materials.
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