Publications by authors named "Maier S"

The Engraft Learning Health Network (LHN) aims to improve outcomes for patients undergoing transplant and cellular therapy (TCT) through a collaborative, data-driven approach. Engraft brings together diverse stakeholders, including clinicians, patients, caregivers, and institutions, to standardize best practices and accelerate the dissemination of innovations in TCT care. By establishing a multicenter, real-world clinical registry focused on rapid-cycle quality improvement (QI) and implementation research, Engraft seeks to reduce variability in clinical practice to improve TCT outcomes across centers.

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Background: Immune checkpoint inhibitors (ICIs) are an important therapeutic pillar in metastatic urothelial carcinoma (mUC). The occurrence of immune-related adverse events (irAEs) appears to be associated with improved outcomes in observational studies. However, these associations are likely affected by immortal time bias and do not represent causal effects.

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Ultrathin and low-loss phase-change materials (PCMs) are highly valued for their fast and effective phase transitions and applications in reconfigurable photonic chips, metasurfaces, optical modulators, sensors, photonic memories, and neuromorphic computing. However, conventional PCMs mostly suffer from high intrinsic losses in the near-infrared (NIR) region, limiting their potential for high quality factor (-factor) resonant metasurfaces. Here we present the design and fabrication of tunable bound states in the continuum (BIC) metasurfaces using the ultra-low-loss PCM SbSe.

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Diffusion-weighted MRI (DW-MRI) is used to quantitatively characterize the microscopic structure of muscle through anisotropic water diffusion in soft tissue. Applications such as tumor propagation modeling require precise detection of muscle fiber orientation. That is, the direction along the fibers that coincides with the direction of the principal eigenvector of the diffusion tensor reconstructed from DW-MRI data.

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Background: Electroretinograms (ERG) are usually recorded with non-invasive corneal electrodes, requiring direct contact with the ocular surface. However, corneal electrode application is not tolerated by some individuals. The advent of handheld ERG devices has facilitated the use of skin electrodes for ERG measurements.

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Article Synopsis
  • Dielectric metasurfaces with quasi-bound states in the continuum (qBICs) can boost field enhancement through narrow resonances in the visible and near-infrared ranges.
  • A new silicon-on-silica metasurface design supports up to four qBIC resonances by using an elliptical cylinder array with varied symmetry-breaking shapes.
  • The study showcases the nonlinear process of four-wave mixing and highlights the potential applications in areas like information multiplexing and multi-wavelength sensing using the unique geometric control of qBICs.
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  • - Holography is crucial for advancing various technologies like 3D displays, LiDAR, optical encryption, and AI, by facilitating effective optical information storage and processing.
  • - The review discusses the evolution from traditional volume holograms to modern digital holography using ultrathin metasurfaces, highlighting holographic multiplexing and fabrication techniques.
  • - The potential applications of metasurface holography are explored, particularly in high bandwidth scenarios that enhance sensitivity to light's orbital angular momentum, with a look towards future advancements in the field.
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  • Active metasurfaces enable advanced light manipulation for applications like displays, holograms, and sensors, but previous designs have struggled to meet all key performance metrics required for practical use.
  • The newly developed active Huygens' metasurface, made from conductive polyaniline (PANI), notably improves performance with a switching speed of 60 fps, over 2000 cycles of durability, and high modulation contrast exceeding 1400%.
  • This PANI-based design offers efficient electrical control and can be integrated into other systems, moving us closer to reliable and compact optical devices for future technologies.
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  • The study focuses on detecting multijet signatures from proton-proton collisions at a high energy of 13 TeV, analyzing a dataset totaling 128 fb^{-1}.
  • A special data scouting method is utilized to pick out events with low combined momentum in jets.
  • This research is pioneering in its investigation of electroweak particle production in R-parity violating supersymmetric models, particularly examining hadronically decaying mass-degenerate higgsinos, and it broadens the limits on the existence of R-parity violating top squarks and gluinos.
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  • Platelet-rich fibrin (PRF) is made from a patient's own blood and is used in dental procedures to enhance bone healing and stability when mixed with bone grafts.
  • A study at the University Hospital Innsbruck analyzed the effectiveness of PRF in preventing vertical bone loss after dental implants, involving 362 implants in 170 patients between 2018 and 2021.
  • Results showed that PRF use was linked to reduced vertical bone loss (> 1 mm) but did not significantly affect the number of lost implants or type of augmentation, indicating it could improve graft stability in oral implant procedures.
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We present a novel approach to achieve spatial variations in the degree of non-covalent functionalization of twisted bilayer graphene (tBLG). The tBLG with twist angles varying between ~5° and 7° was non-covalently functionalized with 1,4,5,8,9,11-hexaazatriphenylenehexacarbonitrile (HATCN) molecules. Our results show a correlation between the degree of functionalization and the twist angle of tBLG.

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The first search for soft unclustered energy patterns (SUEPs) is performed using an integrated luminosity of 138  fb^{-1} of proton-proton collision data at sqrt[s]=13  TeV, collected in 2016-2018 by the CMS detector at the LHC. Such SUEPs are predicted by hidden valley models with a new, confining force with a large 't Hooft coupling. In events with boosted topologies, selected by high-threshold hadronic triggers, the multiplicity and sphericity of clustered tracks are used to reject the background from standard model quantum chromodynamics.

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Background:  Extracorporeal membrane oxygenation (ECMO) can influence pharmacokinetics. We investigated the vancomycin dosage in children on ECMO compared to critically ill children to determine the necessary dosage adjustment on ECMO.

Methods:  Eight-year, single-center, retrospective cohort study at a tertiary heart center's pediatric cardiac intensive care unit (ICU) of children undergoing ECMO support.

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Introduction: Alterations in intestinal permeability and microbiota dysregulation have been linked to the development of multiple sclerosis (MS). Short-chain fatty acids (SCFA) and medium-chain fatty acids (MCFA) are products of gut bacteria fermentation which are involved in immune regulation processes. In MS, SCFA have important immunomodulatory properties both in the periphery and the central compartment.

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  • Previous electroretinogram studies show that people with major depressive disorder (MDD) have reduced retinal contrast gain, affecting their visual perception.
  • The study compares contrast suppression in 21 MDD patients and 23 healthy controls (HC) using various stimuli and finds that MDD patients demonstrate less contrast suppression, especially with high stimulus contrast.
  • These findings suggest that altered dopamine function and changes in retinal processing may contribute to the visual perception issues observed in individuals with MDD.
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The technological requirements of low-power and high-fidelity color displays have been instrumental in driving research into advanced coloration technologies. At the forefront of these developments is the implementation of dye-free approaches, which overcome previous constraints related to color resolution and fading. Resonant dielectric nanostructures have emerged as a promising paradigm, showing great potential for high efficiency, high color saturation, wide gamut palette, and image reproduction.

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We studied the frequency and quality factor of mechanical plasmonic nanoresonators as a function of temperature, ranging from ambient to 4 K. Our investigation focused on individual gold nanorods and nanodisks of various sizes. We observed that oscillation frequencies increase linearly as temperature decreases until saturation is reached at cryogenic temperatures.

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The first search for the Z boson decay to ττμμ at the CERN LHC is presented, based on data collected by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 138  fb^{-1}. The data are compatible with the predicted background. For the first time, an upper limit at the 95% confidence level of 6.

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Background: Left undiagnosed and untreated, the association between multiple sclerosis and mental health difficulties significantly increases the multimorbidity risk in these patients. Hence, the purpose of this systematic review and meta-analysis was to estimate the prevalence of neuroticism, depression, and anxiety in MS and to explore the cumulative impact of these psychological factors on the disease expression.

Methods: A literature search was conducted on PubMed, Web of Science, Scopus, and Google Scholar databases, according to the PRISMA guidelines.

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Sexual victimization occurs frequently and it remains important to consider rape victim advocates' perceptions of survivors' secondary victimization due to treatment from police, the legal system, and medical professionals working in hospital emergency departments. Data from interviews with 41 U.S.

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Observation of the decay.

Eur Phys J C Part Fields

October 2024

Using proton-proton collision data corresponding to an integrated luminosity of collected by the CMS experiment at , the decay is observed for the first time, with a statistical significance exceeding 5 standard deviations. The relative branching fraction, with respect to the decay, is measured to be , where the first uncertainty is statistical, the second is systematic, and the third is related to the uncertainties in and .

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A search for collective effects inside jets produced in proton-proton collisions is performed via correlation measurements of charged particles using the CMS detector at the CERN LHC. The analysis uses data collected at a center-of-mass energy of sqrt[s]=13  TeV, corresponding to an integrated luminosity of 138  fb^{-1}. Jets are reconstructed with the anti-k_{T} algorithm with a distance parameter of 0.

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We investigated the Diels-Alder reaction of 6,13-bis(triisopropylsilylethynyl)pentacene (1) with small dienophiles such as (bridged) dihydronaphthalenes/cyclohexenes that yielded adducts at the central ring, the other dienophiles predominantly or exclusively attacked the unsubstituted off-center ring. The difference in regioselectivity was investigated by DFT calculations. Apart from dispersion interactions, it is due to the steric demand of the dienophiles, which need to fit in between the silylethynyl substituents to react at the central ring.

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Prostate MRI has traditionally relied on qualitative interpretation. However, quantitative components hold the potential to markedly improve performance. The ADC from DWI is probably the most widely recognized quantitative MRI biomarker and has shown strong discriminatory value for clinically significant prostate cancer (csPCa) as well as for recurrent cancer after treatment.

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