Sara A. Messina

ORCID: 0000-0001-5929-9455
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About
Contact & Profiles
Research Areas
  • Bone Metabolism and Diseases
  • Graphene research and applications
  • TGF-β signaling in diseases
  • Additive Manufacturing and 3D Printing Technologies
  • Bone health and treatments
  • Radiation Detection and Scintillator Technologies
  • Cellular and Composite Structures
  • Glass properties and applications
  • Molecular Junctions and Nanostructures
  • Thermal properties of materials
  • Bone health and osteoporosis research
  • Nanowire Synthesis and Applications
  • Atomic and Subatomic Physics Research
  • Chemical and Physical Properties of Materials
  • Additive Manufacturing Materials and Processes
  • Modular Robots and Swarm Intelligence
  • Advanced Semiconductor Detectors and Materials
  • Manufacturing Process and Optimization
  • Medical Imaging Techniques and Applications
  • Terahertz technology and applications

University of California, Santa Barbara
2018-2024

Technical University of Denmark
2017-2018

Ørsted (Denmark)
2017-2018

University of California, Berkeley
2017

Lawrence Berkeley National Laboratory
2015-2017

Poor bone quality contributes to fragility in diabetes, aging, and osteogenesis imperfecta. However, the mechanisms controlling are not well understood, contributing current lack of strategies diagnose or treat deficits. Transforming growth factor beta (TGF-β) signaling is a crucial mechanism known regulate material bone, but its cellular target this regulation unknown. Studies showing that osteocytes directly remodel their perilacunar/canalicular matrix led us hypothesize TGF-β controls...

10.1016/j.celrep.2017.10.115 article EN cc-by Cell Reports 2017-11-01

A combinatorial approach where doped bulk scintillator materials can be rapidly optimized for their properties through concurrent extrinsic doping/co-doping strategies is presented. The concept that makes use of design experiment, rapid growth, and evaluation techniques, multivariable regression analysis, has been successfully applied to the engineering NaI performance, a historical but mediocre performer in scintillation detection. Using this approach, we identified three-element strategy...

10.1063/1.4928771 article EN cc-by Journal of Applied Physics 2015-08-24

Fast inline characterization of the electrical properties graphene on polymeric substrates is an essential requirement for quality control in industrial production. Here we show that it possible to measure sheet conductivity polymer films by terahertz time-domain spectroscopy (THz-TDS) when all internally reflected echoes substrate are taken into consideration. The measured THz-TDS comparable values obtained from four point probe measurements. maps 25x30 cm2 area were recorded and DC carrier...

10.1364/oe.26.017748 article EN cc-by Optics Express 2018-06-25

Previous attempts to tune the electrical properties of large-scale graphene via nanopatterning have led serious degradation key parameters that make a desirable material for electronic devices. We use thermal nanoimprint lithography pattern wafer-scale on 4-in. wafer with prefabricated 25 mm2 The process introduces modest decrease in carrier mobility and only minor change residual doping. Due rapid fabrication time approximately 90 min per wafer, this method has potential industrial...

10.1063/1.5010923 article EN cc-by Applied Physics Letters 2017-11-06

The effective design of metallic metamaterials, characterized by interconnected struts or 'lattices,' hinges on the ability to predict strut and intersection ('node') responses. This is critical for predicting macroscopic properties structures comprised thousands struts. Computationally efficient beam descriptions, defined like cross-sectional area, modulus, yield stress, can significantly expedite prediction lattice ultimately enable topology optimization. paper provides a comprehensive...

10.1016/j.matdes.2024.112695 article EN cc-by Materials & Design 2024-01-22
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