Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 23 for “"Bruker"”.
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FT-IR spectroscopy technology, market evolution and future strategies of Bruker Optics Inc.
… strategies for an industry-leading firm, Bruker Optics. As a benchmark, a universal performance metric was developed that combined key specifications applicable to all FT-IR spectrometers. By researching a selected set of Bruker Optics' spectrometer systems, this performance benchmark was …
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Identification of Anaerobes in Clinical Specimens Comparison between the RapID ANA II System and the Bruker MALDI-TOF MS System utilized in the Clinical Laboratory
… to determine whether the RapID ANA II system or Bruker MALDI-TOF MS is more suitable for identifying anaerobic organism in the clinical laboratory. Based on the data reviewed, the MALDI-TOF MS is a more intuitive platform within the clinical laboratory due to its increased specificity, …
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Far infared reflectance along the C-axis of the charge stripe superconductor La1.875Ba0.125CuO4.
… temperature(3K) were performed using a Bruker rapid scan spectrometer and a Martin-Puplett polarizing spectrometer. It was found that when polarized light reflected from a sample the Bruker rapid scan spectrometer has a low frequency cutoff of lOcm-1 while the Martin-Puplett polarizing …
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Assessment of magic angle spinning spectroscopy for studying migration in solid milk chocolate
… specific to individual chemical species. Using a Bruker 300 MHz spectrometer equipped with liquid state and hr-MAS probes various spectroscopic characteristics of a milk chocolate sample were recorded. The MAS spectrometer resolved the chocolate spectrum into individual chemical signals and …
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Nadir toprak elementli bileşiklerin manyetik, yapısal ve termal karakterizasyonu
… elde edilmiştir. X-ışını toz kırınım ölçümleri, Bruker D8 Advance x-ışını toz difraktometresi ile yapılmıştır. xx1?X-ışını toz kırınım çalışmaları, I4/mmm uzay grubuna sahip tetragonal CeFeSi-tipi kristal yapıyı ve bazı bileşiklerde az miktarda yabancı fazları ortaya çıkarmıştır. Bu kristal yapı, …
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Fourier Transform Infrared Spectroscopy for the measurement of GeSn/(Si)GeSn
… were designed, built, and aligned using a Bruker Fourier transform infrared (FTIR) set up to collect the emission from fabricated GeSn samples using an external source with an external photodetector.</p> <p>This thesis presents an optical setup of a Bruker FTIR spectrometer aligned with …
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Automatizace vyhodnocení diskové difuze pomocí multiplatformní aplikace s integrací expertních vyhodnocovacích pravidel
… platformy pickingrobot vyvíjené společností Bruker. Správnost interpretace byla ověřena na 20 strukturovaných scénářích pro pět druhů bakterií a šest indikačních kategorií, ve všech byly výsledky správné.
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Evaluación tribológica de líquidos iónicos biodegradables sintetizados a partir de los ácidos grasos hexanoico, esteárico y oleico.
… Para ello, se utilizó un tribómetro UMT3 (Bruker), bajo una configuración bola-disco reciprocante. Los ensayos realizados tuvieron una frecuencia de 15 Hz, una carrera de 4 mm, a una temperatura de 25 ºC y una duración de 30 min. Las presiones medias de contacto se situaron en el rango de …
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DARK-PIGMENTED, AMOXICILLIN-RESISTANT, BACTERIAL SPECIES IN CHRONIC PERIODONTITIS MICROBIOTA IDENTIFIED WITH MATRIX ASSISTED LASER DESORPTION/IONIZATION TIME-OF-FLIGHT MASS SPECTROMETRY.
… analysis using a bench top mass spectrometer, Bruker FlexControl 3.0 software, and MALDI Biotyper 3.1 software (Bruker Daltonics, Billerica, MA, USA), which contains mass spectra for dark-pigmented, gram-negative, anaerobic rods in its reference library of bacterial protein profiles. A MALDI …
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Interfacial Thermomechanical Behavior of Hybrid Carbon Fibers
… fibers are fabricated for this purpose. A Bruker TI-980 TriboIndenter is used to perform single-fiber push-in tests to analyze the interfacial behavior. The load-displacement curves of these push-in tests denote a clear nonlinearity where debonding occurs, and the debonding loads are used …
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Spatial transcriptomic analysis of low-grade intestinal T-cell lymphoma and lymphoplasmacytic inflammatory bowel disease in cats
… transcriptomics technique (GeoMx, Nanostring-Bruker) was successfully performed in T and B lymphocytes of cat samples for the first time, to our knowledge. The samples were assessed according to the diagnosis and compared among three different histologic areas: superficial epithelium, deep …
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Developing microwave probes for investigating opto-electronic processes in photovoltaic materials
… to implement shaped pulses into an existing Bruker E580 spectrometer; and c) demonstrate an increased sensitivity of the Rabi frequency spectroscopy technique using shaped pulses applied to P3TP, a singlet-fission material. We find that the increased Rabi frequency fidelity of shaped Rabi …
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Gas-Phase Formation of Environmentally Persistent Free Radicals from Thermal Degradation of Catechol, Hydroquinone, Phenols and Tobacco
… cold finger located in the EPR cavity of a Bruker EPR spectrometer. Comprehensive potentially persistent free radicals identification associating additional experimental and mathematical tools has led to the acquisition of the EPR spectra of p- Semiquinone, o-Semiquinone, cyclopentadienyl …
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Multidimensional liquid chromatographic separations for proteomics
… ion cyclotron resonance mass spectrometer (Bruker Daltonics) and an HCT ion trap (Bruker Daltonics) equipped with electron transfer dissociation has allowed in-depth analysis of intact proteins. Sample types investigated to establish the utility of the methodology include bacterial lysates …
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Feasibility Study of Multi-application, Multi-Walled Carbon Nanotube for Magnetic Resonance Temperatrue Imaging Guided Laser Induced Thermal Therapy
… laser beam) in a 7T MRI small animal scanner (Bruker Biospin). The 3D MRTI at 7T field strength provides high temporal resolution with reasonable special resolution, as well as accurate 3-D volume temperature measurement. Phantom results show that the MWCNTs–instilled phantom heated …
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Microbiological Quality of Ultrasonic Dental Scaler Output Water
… time-of-flight (MALDI-TOF) mass spectrometry and Bruker MALDI Biotyper analytic software. Results: Aerobic mesophilic heterotrophic bacteria averaged 610 ± 380 (SD) CFU/ml per ultrasonic scaler in Group A ultrasonic scalers, with eight of 12 (66.7%) evaluated ultrasonic scalers yielding elevated …
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Comparison of progression of diffuse axonal injury with histology and diffusion tensor imaging
… post-impact. The DTI images were obtained in a Bruker 4.7 Tesla scanner in six gradient directions. Fractional anisotropy (FA), diffusion trace, axial diffusivity (AD) and radial diffusivity (RD) were calculated by using DTI Studio (Johns Hopkins University). After imaging, perfused brain tissue …
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Rapid methods for bacterial identification and predicting antibiotic resistance by MALDI-TOF MS
… to protein profiling using the commercial Bruker Biotyper platform. Four datasets, Enterobacteriaceae, Acinetobacter, Listeria, fungi were processed by principal component analysis (PCA) and validated using leave-one-spectrum-out cross-validation (LOSOCV) to test the method’s efficacy. …
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Iatrogenic Electrocautery Damage and Cellular-Based Corrosion of Total Joint Arthroplasty Biomaterials
… was analyzed using a profilometer (DektakXT; Bruker, Tucson, AZ) in the central portion of the damaged area for each MP and BP energy setting. Each damaged area was evaluated with the aid of TalyMap (Mountains software; Digital Surf, Besançon, France) using ISO 4287 measurements for Arithmetic …
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Optimizing main spectrum profiles for use in real-time MALDI-TOF mass spectrometry identification of Leptospira serovars
… spectra and peak analyses were performed using Bruker’s FlexControl, Compass Explorer, and ClinProTools software to identify potentially-characteristic serovar peak patterns and outlier raw spectra. The data obtained were used in creating several additional MSP types for each serovar, with each …
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