XRF 030723 is the first X-ray flash (XRF) to show in its optical light curve (LC) a bump that has been interpreted as the signature of a supernova (SN). After subtracting the afterglow component from the observed optical LC of the XRF counterpart, the properties of the SN are constrained by means of synthetic LCs of core-collapse SNe. For the range of redshift suggested for XRF 030723 (z ∼ 0.3 ...

PURPOSE Developing an imaging method to directly monitor the spatial distribution of platinum-based (Pt) drugs at the tumor region is of critical importance for early assessment of treatment efficacy and personalized treatment. In this study, the authors investigated the feasibility of imaging platinum (Pt)-based drug distribution using x-ray fluorescence (XRF, a.k.a. characteristic x ray) CT (...

Synchrotron Radiation (SR) based techniques such as SR-μ Fourier Transform InfraRed (FTIR) spectroscopy, SR-μ X-Ray Fluorescence (XRF), SR-μ X-Ray Absorption Near Edge Spectroscopy (XANES) and SR-μ X-Ray Diffraction (XRD) are increasingly used for the study of cultural heritage materials, as they offer enhanced spatial resolution and chemical sensitivity. For such analyses, painting fragments a...

In this work, we investigate the transition-metal dissolution of layered cathode material LiCoO2 upon repeated fast-charging three smartphone batteries from different manufacturers using synchrotron micro X-ray fluorescence (?-XRF). Using spatially resolved technique, Co and subsequent location-dependent deposition on anode are observed. ?-XRF mapping selected parts electrode sheets, such as fo...

This work is the first scientific study of khipu dyes and inorganic mordants auxiliaries, paving way for a new approach to understanding khipus’ meaningful materiality, technology, colours. Khipus have usually been described as “Andean knotted records”, but they are much more than complex cords: great part information encoded resides in incredible The objects this two Wari khipus, 1932.08.0001 ...

In the quest for finding the ideal synchrotron-radiation-induced imaging method for the investigation of trace element distributions in human bone samples, experiments were performed using both a scanning confocal synchrotron radiation micro X-ray fluorescence (SR-µXRF) (FLUO beamline at ANKA) setup and a full-field color X-ray camera (BAMline at BESSY-II) setup. As zinc is a trace element of s...

The purpose of this unit is to introduce the fundamental principles of x-ray fluorescence spectroscopy (XRF), apply this method to the analysis of simulated data for heavy metals in suspended particulate and sediment samples from Lake Nakuru and critically contrast XRF with alternative methods for determination of heavy metal concentrations. The content is appropriate for students in a course i...

High energy synchrotron radiation X-ray fluorescence (SR-XRF) spectra for the forensic analysis of Wakayama arsenic poisoning case, Japan, were revisited. The spectra were measured at SPring-8 synchrotron facility by Nakai in December 1998 and Mo, Sn, Sb, and Bi were used as index elements at that time to demonstrate that the suspected saleswoman’s pesticide and that found near the curry pot we...