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Repositori Institusi
Persamaan dan perbedaan unsur logam benda-benda perunggu Sumatera bagian utara dengan benda-benda perunggu Jawa Tengah
Kebudayaan India (Hindu-Buddha) masuk ke Nusantara membawa sejumlah perubahan dalam kebudayaan penghuni kepulauan tersebut. Salah satu unsur budaya yang terpengaruh adalah konsep-konsep religi yang berasal dari agama Hindu dan
Buddha. Unsur religi t...
Jurnal Institusi
Comparison of NAA XRF and ICP-OES Methods on Analysis of Heavy Metals in Coals and Combustion Residues
Indonesian Journal of Chemistry; Vol 17, No 2 (2017); 228-237
Heavy metals in the samples of coals and combustion residues (bottom ash and fly ash) from Pacitan coal-fired power plant (CPP) have been identified by using NAA, XRF, and ICP-OES methods. This research was aimed to understand the analysis results co...
Jurnal Institusi
Effect of Various Solvent on the Synthesis of NiO Nanopowders by Simple Sol-Gel Methods and Its Characterization
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 50-55
Synthesis of nickel oxide (NiO) with various solvents by simple sol-gel process has been done. NiO nanopowders were obtained by using nickel nitrate hexahydrate and sodium hydroxide 5 M were used as precursor and agent precipitator, respectively. The...
Jurnal Institusi
Modification of Three Types of Bentonite with Zirconium Oxide Chloride (ZOC) of Local Products Using Intercalation Process
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 14-19
Three types of bentonite modified with ZOC local products of Center for Accelerator Science and Technology-National Nuclear Energy Agency using intercalation process have been done. The purpose of this research is to create new material as a catalyst...
PubMed
Development of an attenuation correction method for direct x‐ray fluorescence (XRF) imaging utilizing gold L‐shell XRF photons
Med Phys
PURPOSE: This work proposes a semiempirical correction method for attenuation of x‐ray fluorescence (XRF) photons and/or an excitation beam during direct XRF imaging (i.e., mapping) of gold nanoparticle (GNP) distribution utilizing gold L‐shell X...
PubMed
The early development of a combined micro- and full-field X-ray fluorescence analysis system using white X-rays at PLS-II
J Synchrotron Radiat
X-ray fluorescence (XRF) is widely used to analyze elemental distributions in samples. Micro-XRF (µ-XRF), the most basic conventional XRF technique, offers good spatial resolution through precise 2D scanning with a micrometre-sized X-ray source. Rec...
PubMed
A Field-based Evaluation of Portable XRF to Screen for Toxic Metals in Seafood Products
Xray Spectrom
Portable X-Ray Fluorescence (XRF) has become increasingly popular where traditional laboratory methods are either impractical, time consuming and/or too costly. While the Limit of Detection (LOD) is generally poorer for XRF compared to laboratory-bas...
PubMed
Comparison of bone lead measured via portable x-ray fluorescence across and within bones
Environ Res
BACKGROUND: Bone lead measured via x-ray fluorescence (XRF) has been used for decades in health studies. A portable XRF device for bone lead measurement is gaining in popularity for its ease of use and shorter measurement times. Previous XRF devices ...
PubMed
Suitability of XRF for Routine Analysis of Multi-Elemental Composition: A Multi-Standard Verification
Methods Protoc
This study investigated the suitability of X-ray fluorescence (XRF) analysis for routine multi-elemental composition analysis, checking its analytical capabilities by measuring a wide array of certified reference materials of soil and plant origin. A...
PubMed
XRF techniques to quantify heavy metals in vegetables at low detection limits
Food Chem X
Sample preparation techniques, measurement routines and custom calibrations were developed and optimized for the quantification of Pb and additional heavy metals in dried and wet consumable vegetable tissues via WD-XRF and/or portable ED-XRF spectros...
PubMed
Uncertainty of Quantitative X-ray Fluorescence Micro-Analysis of Metallic Artifacts Caused by Their Curved Shapes
Materials (Basel)
This paper summarizes the effects of irregular shape on the results of a quantitative X-ray fluorescence (XRF) micro-analysis. These effects become relevant when an XRF analysis is performed directly on an investigated material. A typical example is ...
PubMed
Assessment of Occupational Exposure to Manganese and Other Metals in Welding Fumes by Portable X-ray Fluorescence Spectrometer
J Occup Environ Hyg
Elemental analysis of welding fume samples can be done using several laboratory-based techniques. However, portable measurement techniques could offer several advantages. In this study, we sought to determine whether the portable X-ray fluorescence s...
PubMed
Validation of in vivo toenail measurements of manganese and mercury using a portable x-ray fluorescence device
J Expo Sci Environ Epidemiol
BACKGROUND AND OBJECTIVE: Toenail metal concentrations can be used as an effective biomarker for exposure to environmental toxicants. Typically toenail clippings are measured ex vivo using inductively-coupled plasma mass spectrometry (ICP-MS). X-ray ...
PubMed
In Vivo Quantification of Lead in Bone with a Portable X-ray Fluorescence (XRF) System – Methodology and Feasibility
Phys Med Biol
This study was conducted to investigate the methodology and feasibility of developing a portable XRF technology to quantify lead (Pb) in bone in vivo. A portable XRF device was set up and optimal setting of voltage, current, and filter combination fo...
PubMed
Portable X-ray fluorescence of zinc and selenium with nail clippings–Mother and Infant Nutrition Investigation (MINI)
PLoS One
Zinc and selenium are essential minerals for human nutrition. Reliable biomarkers of zinc status and selenium status in humans are therefore important. This work investigates a novel portable X-ray fluorescence (XRF) method with the ability to rapidl...
PubMed
Multi-Modality Image Fusion to Guide Peripheral Artery Chronic Total Arterial Occlusion Recanalization in a Swine Carotid Artery Occlusion Model: Unblinding the Interventionalist!
Catheter Cardiovasc Interv
OBJECTIVES: To demonstrate the feasibility of magnetic resonance imaging (MRI) to x-ray fluoroscopy (XRF) image fusion to guide peripheral artery chronic total occlusion (CTO) recanalization. BACKGROUND: Endovascular peripheral artery CTO revasculari...
PubMed
Validation of x-ray fluorescence measurements of metals in toenail clippings against inductively coupled plasma mass spectrometry in a Nigerian population
Physiol Meas
Metal exposures have been linked with many adverse health outcomes affecting nearly every system in the body. Exposure to metals has been tracked primarily using blood. Blood metal concentrations have drawbacks as biomarkers stemming from the metals...
PubMed
Characterization of a Pixelated Cadmium Telluride Detector System Using a Polychromatic X-Ray Source and Gold Nanoparticle-Loaded Phantoms for Benchtop X-Ray Fluorescence Imaging
IEEE Access
Pixelated semi-conductor detectors providing high energy resolution enable parallel acquisition of x-ray fluorescence (XRF) signals, potentially leading to performance enhancement of benchtop XRF imaging or computed tomography (XFCT) systems utilizin...
PubMed
Comparing the Detection of Iron-Based Pottery Pigment on a Carbon-Coated Sherd by SEM-EDS and by Micro-XRF-SEM
Yale J Biol Med
The same sherd was analyzed using a scanning electron microscope with energy dispersive spectroscopy (SEM-EDS) and a micro X-ray fluorescence tube attached to a scanning electron microscope (Micro-XRF-SEM) to compare the effectiveness of elemental de...
PubMed
Using XRF and ICP-OES in Biosorption Studies
Molecules
In this work, a method of recalculation of results of X-ray fluorescence (XRF) technique to Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES) method was elaborated for biosorption studies. Equations that calibrate XRF to ICP-OES were...
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