2,819 results match your criteria: "Linnaeus University[Affiliation]"

Aims: To explore whether circulating matrix metalloproteinase-2 (MMP-2), MMP-9, MMP-9/neutrophil gelatinase-associated lipocalin, MMP-9/tissue inhibitor of metalloproteinase-1 (TIMP-1), MMP-14, TIMP-2 and TIMP-3 were associated with the severity and progression of diabetic retinopathy (DR) in patients with type 1 diabetes (T1D).

Methods: Baseline and prospective analyses were conducted over a period of 10.5 person-years.

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Objectives: To compile a battery of test including various aspects of physical fitness that could be used on the field and to assess whether any of these tests are associated with future traumatic knee injuries in youth female team sports athletes.

Design: Prospective cohort.

Setting: Sport setting.

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Background: Care transitions are high-risk processes, especially for people with complex or chronic illness. Discharge letters are an opportunity to provide written information to improve patients' self-management after discharge. The aim of this study is to determine the impact of discharge letter content on unplanned hospital readmissions and self-rated quality of care transitions among patients 60 years of age or older with chronic illness.

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Aim: To describe the life situation of spouses having a partner with heart disease and adolescents living at home.

Design: Qualitative inductive design.

Method: Participants (n = 22) were included from three Scandinavian countries.

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Distributed intelligence systems (DIS) containing natural and artificial intelligence agents (NIA and AIA) for decision making (DM) belong to promising interdisciplinary studies aimed at digitalization of routine processes in industry, economy, management, and everyday life. In this work, we suggest a novel quantum-inspired approach to investigate the crucial features of DIS consisting of NIAs (users) and AIAs (digital assistants, or avatars). We suppose that N users and their avatars are located in N nodes of a complex avatar - avatar network.

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Quantum-like environment adaptive model for creation of phenotype.

Biosystems

August 2024

Tokyo University of Science, Faculty of Science and Technology, Department of Information Sciences, Noda City, Chiba 278-8510, Japan.

The textbook conceptualization of phenotype creation, "genotype (G) + environment (E) + genotype & environment interactions (GE) ↦ phenotype (Ph)", is modeled with open quantum systems theory (OQST) or more generally with adaptive dynamics theory (ADT). The model is quantum-like, i.e.

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Antimicrobial Delivery Using Metallophore-Responsive Dynamic Nanocarriers.

ACS Appl Bio Mater

July 2024

Department of Chemistry, University of Massachusetts Lowell, One University Ave., 01854 Lowell, Massachusetts, United States.

The increasing prevalence of multidrug-resistant (MDR) pathogens has promoted the development of innovative approaches, such as drug repurposing, synergy, and efficient delivery, in complement to traditional antibiotics. In this study, we present an approach based on biocompatible nanocarriers containing antimicrobial cations and known antibiotics. The matrices were prepared by coordinating Ga or In to formulations of chitosan/tripolyphosphate or catechol-functionalized chitosan with or without encapsulated antibiotics, yielding particles of 100-200 nm in hydrodynamic diameter.

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Purpose: The prevalence of myopia in Scandinavia tends to be lower than in other parts of the world. This study aimed to investigate the incidence of myopia and its predictors in Swedish children to characterise this trend.

Methods: A 2-year longitudinal study was conducted following a cohort of schoolchildren aged 8-16 years.

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: a computational study of enasidenib resistance due to IDH2 mutations.

Phys Chem Chem Phys

July 2024

Department of Chemistry and Biomedical Sciences, Linnaeus University, SE-391 82 Kalmar, Sweden.

Isocitrate dehydrogenase 2 (IDH2) is a homodimeric enzyme that plays an important role in energy production. A mutation R140Q in one monomer makes the enzyme tumourigenic. Enasidenib is an effective inhibitor of IDH2/R140Q.

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Chiral edge transport along domain walls in magnetic topological insulator nanoribbons.

J Phys Condens Matter

July 2024

Department of Physics and Electrical Engineering, Linnæus University, 392 31 Kalmar, Sweden.

Quantum anomalous Hall insulators are topologically characterized by non-zero integer Chern numbers, the sign of which depends on the direction of the exchange field that breaks time-reversal symmetry. This feature allows the manipulation of the conducting chiral edge states present at the interface of two magnetic domains with opposite magnetization and opposite Chern numbers. Motivated by this broad understanding, the present study investigates the quantum transport properties of a magnetizedBi2Se3topological insulator nanoribbon with a domain wall (DW) oriented either parallel or perpendicular to the transport direction.

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Low energy availability increases immune cell formation of reactive oxygen species and impairs exercise performance in female endurance athletes.

Redox Biol

September 2024

The August Krogh Section for Human Physiology, Department of Nutrition, Exercise and Sports (NEXS), University of Copenhagen, Copenhagen, Denmark. Electronic address:

Article Synopsis
  • A study investigated how 14 days of low energy availability (LEA) affects the immune function and exercise performance in female endurance athletes.
  • Twelve athletes participated in a crossover study, alternating between optimal energy availability (OEA) and LEA diets, with blood samples taken for analysis.
  • Results showed that LEA increased certain immune-related proteins and cortisol levels, impaired white blood cell activity during exercise, and negatively impacted exercise performance, which persisted even after a refueling period.
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Dining plays a pivotal role in the travel experience, with numerous studies identifying the significant impacts of restaurant attributes on tourists' destination experiences and their sense of place. The identified attributes include the origin of food produce, menu design, the physical and social servicescape, and restaurant reputation, all of which have the potential to enhance customers' sense of place. Therefore, based on theories of the production of locality, this study explores how destination restaurants "put place on the plate" and identifies how destination restaurants promote place.

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Cost-Efficient Expression of Human Cardiac Myosin Heavy Chain in C2C12 Cells with a Non-Viral Transfection Reagent.

Int J Mol Sci

June 2024

Department of Chemistry and Biomedical Sciences, Faculty of Health and Life Sciences, Linnaeus University, 391 82 Kalmar, Sweden.

Production of functional myosin heavy chain (MHC) of striated muscle myosin II for studies of isolated proteins requires mature muscle (e.g., C2C12) cells for expression.

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The world's oceans are challenged by climate change linked warming with typically highly populated coastal areas being particularly susceptible to these effects. Many studies of climate change on the marine environment use large, short-term temperature manipulations that neglect factors such as long-term adaptation and seasonal cycles. In this study, a Baltic Sea 'heated' bay influenced by thermal discharge since the 1970s from a nuclear reactor (in relation to an unaffected nearby 'control' bay) was used to investigate how elevated temperature impacts surface water microbial communities and activities.

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AiCarePWP: Deep learning-based novel research for Freezing of Gait forecasting in Parkinson.

Comput Methods Programs Biomed

September 2024

Department of Computer Science and ADAPT Centre, Munster Technological University, Bishopstown Cork, T12 P928, Ireland; Department of Electrical and Computer Engineering, Lebanese American University, Byblos, Lebanon; Department of Institute of Intelligent Systems, University of Johannesburg, Auckland Park, 2006, South Africa. Electronic address:

Background And Objectives: Episodes of Freezing of Gait (FoG) are among the most debilitating motor symptoms of Parkinson's Disease (PD), leading to falls and significantly impacting patients' quality of life. Accurate assessment of FoG by neurologists provides crucial insights into patients' conditions and disease symptoms. This proposed strategy involves utilizing a Weighted Fuzzy Logic Controller, Kalman Filter, and Kaiser-Meyer-Olkin test to detect the gait parameters while walking, resting, and standing phases.

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Exploring the surveillance technology discourse: a bibliometric analysis and topic modeling approach.

Front Artif Intell

June 2024

Department of Informatics, Faculty of Technology, Linnaeus University, Växjö, Sweden.

The prevention of crime is a multifaceted challenge with legal, political, and cultural implications. Surveillance technologies play a crucial role in assisting law enforcement and other relevant parties in this mission. Drones, cameras, and wiretaps are examples of such devices.

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Retraction Note: Metal free cross-dehydrogenative N-N coupling of primary amides with Lewis basic amines.

Nat Commun

June 2024

Bioorganic & Biophysical Chemistry Laboratory, Centre for Biomaterials Chemistry, Department of Chemistry & Biomedical Sciences, Linnaeus University, Kalmar, SE-39182, Sweden.

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Wheat starch was oxidized through a Fenton reaction by hydrogen peroxide and Iron II sulfate as a catalyst at various concentrations and reaction duration. The formation of carbonyl and carboxyl groups confirmed the starch oxidation as determined with Fourier-transform infrared (FTIR) spectroscopy. The degree of oxidation was estimated by carbonyl and carboxyl titration.

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Background: Dementia is a major global public health challenge, and with the growing elderly population, its prevalence is expected to increase in the coming years. In Sweden, municipalities are responsible for providing special housing for the elderly (SÄBO), which offers services and care for older individuals needing specific support. SÄBO is both the person´s home and a care environment and workplace.

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Organic matter composition and stability in estuarine wetlands depending on soil salinity.

Sci Total Environ

October 2024

School of Environmental and Chemical Engineering, Foshan University, Foshan, China; Guangdong Provincial Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China.

Coastal wetlands are key players in mitigating global climate change by sequestering soil organic matter. Soil organic matter consists of less stable particulate organic matter (POM) and more stable mineral-associated organic matter (MAOM). The distribution and drivers of MAOM and POM in coastal wetlands have received little attention, despite the processes and mechanisms differ from that in the upland soils.

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Associations between initial heart rhythm and self-reported health among cardiac arrest survivors - A nationwide registry study.

Resuscitation

August 2024

Faculty of Health and Life Sciences, Linnaeus University, Kalmar/Växjö, Sweden; Department of Internal Medicine, Kalmar County Hospital, Region Kalmar County, Kalmar, Sweden.

Background: Non-shockable initial rhythm is a known risk factor for high mortality at cardiac arrest (CA). However, knowledge on its association with self-reported health in CA survivors is still incomplete.

Aim: To examine the associations between initial rhythm and self-reported health in CA survivors.

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Qualitative evaluations of reactive microglial heterogeneity in cultured porcine retina.

Histol Histopathol

December 2024

Department of Chemistry and Biomedicine, Linnaeus University, Kalmar, Sweden.

A late stage of several retinal disorders is retinal detachment, a complication that results in rapid photoreceptor degeneration and synaptic damage. The porcine retina is a favorable model for studies of the degenerative processes that follow retinal detachment. Photoreceptor degeneration and synaptic injuries develop rapidly in the cultured porcine retina and correlate with resident microglial cell transition into a reactive phenotype.

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The application of supervised machine learning methods to identify behavioural modes from inertial measurements of bio-loggers has become a standard tool in behavioural ecology. Several design choices can affect the accuracy of identifying the behavioural modes. One such choice is the inclusion or exclusion of segments consisting of more than a single behaviour (mixed segments) in the machine learning model training data.

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Background: As global aging accelerates, routinely assessing the functional status and morbidity burden of older patients becomes paramount. The aim of this study is to assess the validity of the comprehensive clinical and functional Health Assessment Tool (HAT) based on four cohorts of older adults (60 + years) from the Swedish National study on Aging and Care (SNAC) spanning urban, suburban, and rural areas.

Methods: The HAT integrates five health indicators (gait speed, global cognition, number of chronic diseases, and basic and instrumental activities of daily living), providing an individual-level score between 0 and 10.

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