Practical photonic bandgap structures for high frequency axion haloscopes.

Current and future searches for dark matter axions, based on their resonant conversion to photons in a magnetic field, span many orders of magnitude. A major impediment to designing resonators at the high end of this range, 5 GHz and above, is the proliferation of TE modes, which overwhelm and hybridize with the TM010 mode to which the axion couples, making the search impossible. We demonstrate that a photonic bandgap structure can be designed that completely suppresses the TE spectrum, even reducing the number of lattice periods to two or one and violating perfect lattice symmetry.

Assessing antibiotic residue presence in Turkey meat: insights from a four-box method analysis.

Contemporary poultry farming involves extensive antibiotic use, which could potentially pose health risks to consumers through antibiotic residues in animal-derived food products, especially meat. Recent decisions, particularly the ban on nearly all antibiotic feed additives utilized as growth promoters, have resulted in a decrease in their usage. Nonetheless, their essential role in therapy and their economic value are indisputable.

[F]fluorodeoxyglucose and [F]fluorocholine PET-CT for staging optimisation and treatment modification in hepatocellular carcinoma (PET-HCC01): a prospective multicentre study.

Background: The role of PET-CT with [F]fluorodeoxyglucose ([F]FDG) and [F]fluorocholine ([F]FCH) in staging hepatocellular carcinoma and treatment decisions has, to our knowledge, never been prospectively assessed.

Methods: We conducted a multicentre prospective study (PET-HCC01) in nine hospitals in France, including patients aged 18 years or older with a first diagnosis of hepatocellular carcinoma classified as Barcelona Clinic Liver Cancer (BCLC) classification A to C (without metastasis). At study inclusion, patients underwent contrast-enhanced liver MRI and liver, chest, and pelvis CT scans.

Growth kinetics and fitness of fluoroquinolone resistant and susceptible strains of cattle origin.

Human enterocolitis is frequently caused by the Gram-negative microaerobic bacterium . Macrolides (e.g.

Comparative Effects of Different Materials on Alveolar Preservation.

Objective: The purpose of this study was to compare different materials' effects on alveolar ridge preservation of postextraction sockets in anterior maxilla.

Materials And Method: In this prospective, single center, randomized, controlled clinical trial, healthy patients who needed one single anterior maxillary tooth extraction (including bicuspids) were selected. After a minimally traumatic extraction without complications, 44 patients were randomly allocated into 4 groups: 1) natural socket healing (blood clot), 2) xenograft and gingival free graft, 3) dense polytetrafluoroethylene membrane, and 4) platelet rich fibrin plugs.