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UV and infrared absorption spectra and 248 nm photolysis of maleic anhydride (C₄H₂O₃) (open access)

UV and infrared absorption spectra and 248 nm photolysis of maleic anhydride (C₄H₂O₃)

This article investigates maleic anhydride (C₂H₂(CO)₂O, Furan-2,5-dione) that is emitted into or formed in the atmosphere during bio-mass burning events as well as being a photochemical degradation product of some aromatic volatile organic compounds. The photochemical fate of maleic anhydride, however, is presently not well enough characterized to enable modeling of its impact on the environment and human health. In this study, the room temperature UV and infrared absorption spectra of maleic anhydride were measured and quantified using several complementary calibration methods.
Date: July 2, 2019
Creator: Marshall, Paul; Papadimitriou, Vassileios C.; Papanastasiou, Dimitrios K.; Roberts, James M. & Burkholder, James B. (James Bart), 1954-
System: The UNT Digital Library
Surface Activation and Pretreatments for Biocompatible Metals and Alloys Used in Biomedical Applications (open access)

Surface Activation and Pretreatments for Biocompatible Metals and Alloys Used in Biomedical Applications

Article describes the main surface activation and pretreatment techniques for substrates such as titanium and its alloys, stainless steel, magnesium alloys, and CoCrMo alloys.
Date: June 2, 2019
Creator: Huynh, Vivian; Ngo, Ngan K. & Golden, Teresa Diane, 1963-
System: The UNT Digital Library
Simulation of an electrostatic quadrupole quadruplet focusing lens system for MeV multi-ion micro-beam (open access)

Simulation of an electrostatic quadrupole quadruplet focusing lens system for MeV multi-ion micro-beam

Article presents the simulations of an electrostatic quadrupole quadruplet (EQQ) lens system that will be used in a new sub-micron multi-ion beam for radiobiological studies.
Date: October 2, 2019
Creator: Glass, Gary A.; Chirayath, V. A.; Arya, H.; Jin, M.; Weiss, A. H. & Chi, Y.
System: The UNT Digital Library

Concentric cone antihydrogen gravity experiment

This article describes a proposed antihydrogen gravity experiment that could be conducted at the CERN Antiproton Decelerator facility to determine the directionality of the acceleration of antihydrogen in earth’s gravitational field.
Date: October 2, 2019
Creator: Patel, S. S.; Sun, S. R. & Ordonez, Carlos A.
System: The UNT Digital Library