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A sedimentological and stratigraphical study of Weichselian sediments in the Tvärkroken gravel pit, Idre, west-central Sweden

A detailed sedimentological study was made on six section walls in the Tvärkroken gravel pit, Idre, west-central Sweden. Based on sediment characteristics, three sedimentary units, units 1-3, were identified. The lowest unit, unit 1, was formed by deposition from sediment-loaded underflows into a stagnant basin. A gradual decrease in water depth is indicated in the upper part of this unit. Post-de

A prospective study to evaluate the intra-individual reproducibility of bone scans for quantitative assessment in patients with metastatic prostate cancer

Background: The Bone Scan Index (BSI) is used to quantitatively assess the total tumour burden in bone scans of patients with metastatic prostate cancer. The clinical utility of BSI has recently been validated as a prognostic imaging biomarker. However, the clinical utility of the on-treatment change in BSI is dependent on the reproducibility of bone scans. The objective of this prospective study

Acoustic impedance matched buffers enable separation of bacteria from blood cells at high cell concentrations

Sepsis is a common and often deadly systemic response to an infection, usually caused by bacteria. The gold standard for finding the causing pathogen in a blood sample is blood culture, which may take hours to days. Shortening the time to diagnosis would significantly reduce mortality. To replace the time-consuming blood culture we are developing a method to directly separate bacteria from red and

Risk prediction of recurrent venous thromboembolism : a multiple genetic risk model

A single genetic biomarker is unable to accurately predict the risk for venous thromboembolism (VTE) recurrence. We aimed to: (a) develop a multiple single nucleotide polymorphisms (SNPs) model to predict the risk of VTE recurrence and (b) validate a previously described genetic risk score (GRS) and compare its performance with the model developed in this study. Twenty-two SNPs, including establis

Molecular subtype classification of urothelial carcinoma in Lynch syndrome

Lynch syndrome confers an increased risk for urothelial carcinoma (UC). Molecular subtypes may be relevant to prognosis and therapeutic possibilities, but have to date not been defined in Lynch syndrome-associated urothelial cancer. We aimed to provide a molecular description of Lynch syndrome-associated UC. Thus, Lynch syndrome-associated UCs of the upper urinary tract and the urinary bladder wer

The compositional homogeneity of the metal particle during vapor–liquid–solid growth of nanowires

The vapor–liquid–solid (VLS) mechanism is probably the most versatile method to fabricate semiconductor nanowires and several investigations assume a compositionally homogeneous catalyst particle. In this investigation we address the compositional homogeneity of the catalyst particle during growth of nanowires. Using diffusion calculations, we show that the particle is indeed homogeneous during VL

Pro-atrial natriuretic peptide and prediction of atrial fibrillation and stroke : The Malmö Preventive Project

Background The increasing prevalence of atrial fibrillation and novel therapeutic tools to prevent cardioembolic stroke has increased the need for risk markers. Objectives This study explored the relationship between the midregional sequence of pro-atrial natriuretic peptide (MR-proANP) levels with the risk of atrial fibrillation and stroke, and whether measurement of MR-proANP improves the predic

The Effects of Genetic and Epigenetic Variation on Human Pluripotent Stem Cell Differentiation

Human pluripotent stem cells (PSCs) are widely used for studying embryonic development, disease modelling, drug discovery and cell therapy development. Using human PSCs as a model has significantly contributed to our understanding of embryonic development and elucidating novel pathological mechanisms as well as developing new drugs. However, there are significant genetic and epigenetic variations

Decreased PGC1beta expression results in disrupted human erythroid differentiation, impaired hemoglobinization and cell cycle exit

Production of red blood cells relies on proper mitochondrial function, both for their increased energy demands during differentiation and for proper heme and iron homeostasis. Mutations in genes regulating mitochondrial function have been reported in patients with anemia, yet their pathophysiological role often remains unclear. PGC1β is a critical coactivator of mitochondrial biogenesis, with incr

Protumoral lipid droplet-loaded macrophages are enriched in human glioblastoma and can be therapeutically targeted

Glioblastoma presents a formidable clinical challenge because of its complex microenvironment. Here, we characterized tumor-associated foam cells (TAFs), a type of lipid droplet-loaded macrophage, in human glioblastoma. Through extensive analyses of patient tumors, together with in vitro and in vivo investigations, we found that TAFs exhibit distinct protumorigenic characteristics related to hypox

Correlative imaging to resolve molecular structures in individual cells: Substrate validation study for super-resolution infrared microspectroscopy

Light microscopy has been a favorite tool of biological studies for almost a century, recently producing detailed images with exquisite molecular specificity achieving spatial resolution at nanoscale. However, light microscopy is insufficient to provide chemical information as a standalone technique. An increasing amount of evidence demonstrates that optical photothermal infrared microspectroscopy

Lipid Metabolic Reprogramming Extends beyond Histologic Tumor Demarcations in Operable Human Pancreatic Cancer

Pancreatic ductal adenocarcinoma (PDAC) is among the deadliest malignancies and potentially curable only with radical surgical resection at early stages. The tumor microenvironment has been shown to be central to the development and progression of PDAC.A better understanding of how early human PDAC metabolically communicates with its environment and differs from healthy pancreas could help improve

Counterintuitive Electrostatics upon Metal Ion Coordination to a Receptor with Two Homotopic Binding Sites

The consecutive binding of two potassium ions to a bis(18-crown-6) analogue of Tröger’s base (BCETB) in water was studied by isothermal titration calorimetry using four different salts, KCl, KI, KSCN, and K2SO4. A counterintuitive result was observed: the enthalpy change associated with the binding of the second ion is more negative than that of the first (ΔH°bind,2 < ΔH°bind,1). This remarkable f

European project to develop a UV/VUV free-electron laser facility on the ELETTRA storage ring

Sincrotrone Trieste, collaborating with various institutions, has recently begun a 3-year project to develop a UV/VUV free-electron laser on the ELETTRA storage ring. The main features and novel technical aspects of the project are described, including the design of the optical cavity and undulator, the electron beam characteristics and a first assessment of the predicted laser performance. Prelim

Rescaling creatinine makes GFR estimation equations generally applicable across populations - Validation results for the Lund-Malmö equation in a French cohort of sub-Saharan ancestry

To make glomerular filtration rate (GFR) estimating equations applicable across populations with different creatinine generation by using rescaled serum creatinine (sCr/Q) where sCr represents the individual creatinine level and Q the average creatinine value in healthy persons of the same population. GFR measurements (mGFR, plasma clearance of 51Cr-EDTA) were conducted in 964 adult Black European

Quantification of growth and nutrient consumption of bacterial and fungal cultures in microfluidic microhabitat models

Understanding microbes in nature requires consideration of their microenvironment. Here, we present a protocol for quantifying biomass and nutrient degradation of bacterial and fungal cultures (Pseudomonas putida and Coprinopsis cinerea, respectively) in microfluidics. We describe steps for mask design and fabrication, master printing, polydimethylsiloxane chip fabrication, and chip inoculation an

Melanoma Proteomics Unveiled : Harmonizing Diverse Data Sets for Biomarker Discovery and Clinical Insights via MEL-PLOT

Using several melanoma proteomics data sets we created a single analysis platform that enables the discovery, knowledge build, and validation of diagnostic, predictive, and prognostic biomarkers at the protein level. Quantitative mass-spectrometry-based proteomic data was obtained from five independent cohorts, including 489 tissue samples from 394 patients with accompanying clinical metadata. We

From Intensification to Sustainability? Political Leadership and Agricultural Transformation in Ethiopia

Ethiopia achieved a remarkable episode of agricultural intensification from the mid-1990s to the late-2010s, yet the political mechanisms that enabled this transformation—and the distributional and environmental consequences that followed—remain insufficiently understood. This article ex- amines how political leadership, understood in institutional rather than personalistic terms, shaped both the Ethiopia achieved a remarkable episode of agricultural intensification from the mid-1990s to the late-2010s, yet the political mechanisms that enabled this transformation—and the distributional and environmental consequences that followed—remain insufficiently understood. This article ex- amines how political leadership, understood in institutional rather than personalistic terms, shaped both the

Trapping, coalescence, and splitting of drops in an ultrasound-actuated microcavity

Droplets are sophisticated micro-compartments crucial for lab-on-a-chip and bio-medical applications. There have been significant efforts towards generating monodisperse droplets as the uniformity of droplets affects performance. Recently, we introduced a new method to continuously reform existing emulsions improving monodispersity in an ultrasound-actuated microcavity via a trap-coalesce-split me

Raman spectroscopy in microfluidic chips reveals hyphal scale stress-associated metabolic responses in filamentous soil fungi

Understanding metabolic processes of soil fungi is essential for elucidating their ecological roles in biogeochemical cycles and responses to emergent environmental stressors. Here, we demonstrate the potential of using stable isotope probing Raman (SIP-Raman) microspectroscopy in microfluidics technology-based soil chips to trace glucose metabolism rates and stress responses in laboratory grown f