ID: 5233
Year: 2027
Products: NWRfemto
Authors: Dieye, M;Van Lichtervelde, M;Faye, C;Delaporte, A;Diene, M;Gueye, M;
Application: isotope;Laser;
Heavy mineral sands (HMS) from the Senegalese Grande Côte host economically significant zircon and rutile concentrates, with detrital monazite as a minor but informative component. This study combines textural, geochemical, and geochronological signatures of monazite grains to constrain sediment provenance and decipher the long-term crustal evolution of the West African Craton (WAC). Backscattered electron imaging and EPMA reveal a spectrum of monazite textures, ranging from homogeneous to complexly zoned and hydrothermally altered grains. These textures reflect magmatic, metamorphic, and fluid-driven histories prior to sedimentation. U-Pb-Th geochronology (EPMA and LA-ICP-MS) defines four major age populations: Archean (2.6-3.1 Ga), Early Paleoproterozoic (2.3-2.5 Ga), dominant Paleoproterozoic (1.8-2.2 Ga), and Neoproterozoic-Paleozoic (0.4-0.6 Ga). These correspond to WAC cratonization, early proto-crustal development, Eburnean accretion, and Gondwanan assembly along the Ma...
ID: 5232
Year: 2027
Products: NWR193 laser ablation system
Authors: El Haouiti, I;Boutsougame, A;Moussaid, A;Mezougane, H;Vermeesch, P;Aassine, H;Aissa, M;Voudouris, P;Keith, M;Ouahmad, H;Elabouy, M;Kouraich, A;
Application: Laser;geochemistry;
The Ighir Amellal-Tanna Izem area is located in the southwestern part of the Tighza-Jbel Aouam polymetallic district within the Moroccan Central Meseta, a region characterized by significant Variscan magmatism and Pb-Zn-Cu-Sb mineralization. Although numerous studies have focused on the late Variscan granitoids of the district (≈295-280 Ma), the petrogenesis and chronology of earlier magmatic events remain poorly constrained. In this study, we combined whole-rock geochemistry and U-Pb apatite geochronology (LA-ICP-MS) to characterize a mafic dyke exposed in the area. Geochemical data recalculated on a 100% anhydrous basis (correcting for Loss on Ignition, LOI ≈ 10 wt%; SiO2 ≈ 47.02-47.26 wt%, raw 41.59-42.28 wt%; Na2O + K2O ≈ 5.52-5.61 wt%; high Ba and Sr contents) formally classify the intrusion as a metaluminous monzogabbro with a strong alkaline, potassic affinity. Its trace-element signatures display prominent, diagnostic negative Nb and Ti anomalies c...
ID: 5101
Year: 2027
Products: TV3 ziņas,
Authors: Romāne, A;
Application: ~
~...
ID: 5314
Year: 2026
Products: Product Unavailable
Authors: Paananen, O;
Application: ~
The infrastructure sector is a societally significant industry, and its productivity has a broad impact on both the national economy and the built environment. However, productivity development in the infrastructure sector has long been considered poor, and clear deficiencies have been identified in the productivity measurement of the sector. Improving productivity requires that it can be measured reliably and appropriately, but in the infrastructure sector measurement is complicated especially by project variability, the diversity of inputs and outputs, the importance of qualitative factors, and deficiencies in data collection and measurement practices. Additionally, it is difficult to find published information about productivity measures in the sector. The aim of this thesis was to examine the current state of productivity measurement in the infrastructure sector and how it should be developed, particularly from the perspectives of public procurement and main contractors. The study ...
ID: 5313
Year: 2026
Products: NWR 193;TwoVol3
Authors: Attardi, A;
Application: Cells;Environmental;Laser;geochemistry;
The European Union's strategic agenda for a decarbonised and self-sufficient economy culminated in the Critical Raw Materials Act (CRMA, 2024), which defined Critical and Strategic Raw Materials (CRMs and SRMs) essential for technological development and economic resilience, while being subject to high supply risk. Within this framework, the PNRR Geosciences IR project of ISPRA (Italian Institute for Environmental Protection and Research) is developing a series of thematic databases. This thesis presents the new Metallogenic Database of Sardinia, the foremost mining region of Italy, designed to support the exploration of CRMs fundamental to the energetic transition. A comprehensive, relational geodatabase was built using PostgreSQL-PostGIS and QGIS, integrating over 630 mineral occurrences, deposits, and active mines. The schema combines descriptive, compositional, structural, and technical data, with a dedicated focus on CRMs. The work valorised legacy information from the historical ...
ID: 5312
Year: 2026
Products: Elemental Scientific Lasers,
Authors: Risedorf, N;
Application: Dissolved;Total;
The Phosphoria Formation is a world-class phosphate-producing paleobasin in the Rocky Mountains. It has produced over 230 Mt of commercial phosphate since the 1920s. Rare earth element (REE) mineralization in phosphorite was observed historically, but commercial recovery of REEs has not been reported. Increasing demand for domestic REE supply has made resource characterization a priority. This study investigates the distribution of REEs within the Phosphoria Formation across southwest Montana. Five sections of Retort Member from the Phosphoria were exposed to measure stratigraphy and collect samples for geochemical analysis. Historic mine sites and prospects were also visited to collect and analyze surface mine waste and collect grab samples. Thin sections and polished plugs of phosphorite samples were analyzed by petrographic microscopy, automated SEM-EDS, EPMA, and LA-ICP-MS. Assays indicate ΣREY concentrations up to 3480 ppm with an average of 1360 ± 615 ppm ΣREY and 25.5 ± 8.25...
ID: 5311
Year: 2026
Products: Product Unavailable
Authors: Stankevičiūtė, E;
Application: ~
[ENG] This master’s thesis, drawing on the theory of social constructionism developed by Peter L. Berger and Thomas Luckmann (1999), examines the ways in which knowledge about sex workers is constructed within Lithuanian public and political discourse. The study employs a qualitative research design, analysing publications from Lithuanian news portals LRT.lt, Delfi.lt, tv3.lt, and 15min.lt across three time periods (2015-2016, 2019-2020, and 2024-2026), alongside institutional and political documents, including draft laws on the regulation of sexual services proposed in 2015, 2019, and 2026, as well as transcripts of parliamentary debates. In addition, two semi-structured interviews were conducted with Lithuanian sex workers. The findings reveal the dominant constructions in both discourses that enable reductionist narratives: sexual services are framed through associations with systemic violence, exploitation, and coercion, and are ontologically conflated with human trafficking, whi...
ID: 5310
Year: 2026
Products: Product Unavailable
Authors: Aalst, J;
Application: ~
In this thesis, I examine the datafication of football through the lens of document theory. From this perspective, I view data as necessarily material, social and cognitive. The aim of the thesis is to (1) increase the understanding of how the intensified quantification of sport shapes fans’ interaction with it and (2) to bridge a gap between document theory, as a part of library and information studies, and critical data studies. The empirical study builds on an app walkthrough of two live score applications: FotMob and Sofascore. My findings suggest that the apps reflect modern sport’s complex relationship with data, quantification and rationality. Football data are promoted as either useful for understanding past games, predict future games or for the amusement of fans. Primarily, the data turn a game of football into dissectible, quantifiable and repetitive events. Such data are then algorithmically calculated into ratings and metrics aimed at documenting more abstract notions,...
ID: 5309
Year: 2026
Products: 4DX Elemental Scientific prepFAST M5 autosampler
Authors: Juarez-Townson, T;
Application: Environmental;Dissolved;Species;isotope;
Critical minerals contained in legacy mine wastes may be redistributed into associated pore waters, groundwater and surface waters through weathering. Although these waters can transport critical elements in dissolved, colloidal and particulate forms, their potential as secondary resources remains poorly constrained, particularly under circumneutral-alkaline conditions. This thesis investigated the mobility, size fractionation and preconcentration of critical elements in waters associated with the former Saint Lawrence Columbium mine at Oka, Québec. Tangential-flow filtration separated material using 0.65 µm, 0.22 µm and 100 kDa membranes and produced concentrated retentate fractions. The greatest enrichment generally occurred in the 0.65 µm retentates, which contained ΣREE and Nb concentrations of 25.9 ± 27.0 and 3.43 ± 6.30 µg L-1, respectively. Maximum enrichment factors reached 73.7 for measured ΣREE and 33.9 for Nb. Measured ΣREE and P were selectively enriched relative ...
ID: 5308
Year: 2026
Products: Product Unavailable
Authors: Barney, N;
Application: Biological;Tissue;
This thesis addresses a major challenge in tissue engineering: although perfusion has been shown to be an effective strategy for maintaining larger engineered tissue constructs in culture, a remaining barrier is preconditioning these constructs so they can better withstand the physiologic environment after implantation, and maintaining data on these preconditions to increase repeatability. In particular, endothelialized vascular constructs must maintain an intact endothelial monolayer to reduce the risk of thrombosis and support successful implantation. To address this need, a compact, modular, multi-channel perfusion platform was developed for sterile scaffold preconditioning with real-time sensing, programmable steady and pulsatile flow control, and automated data logging. A COMSOL Multiphysics model was also constructed to relate operating conditions to flow distribution, wall shear stress, and scaffold deformation, providing a framework to guide perfusion system design and define b...
ID: 5307
Year: 2026
Products: ESI SC-2DX PrepFAST autosampler
Authors: Caceres, A;
Application: Serum;Biological;Total;Speciation;
Transition metal micronutrients, including iron, copper, and zinc, are essential regulators of metabolic and signaling processes in mammalian systems. While intracellular metal biology has been extensively studied, comparatively little is understood about how extracellular metal pools are regulated and how their dysregulation contributes to disease. This dissertation investigates the speciation, trafficking, and functional consequences of extracellular metal redistribution in metabolic and hepatic disease contexts. First, this work characterizes extracellular metal pools and highlights the importance of metal speciation, rather than total metal concentration, in determining biological activity. Using biochemical, analytical, and in vivo approaches, it demonstrates that high glucose intake induces hepatic iron overload independent of dietary iron excess, revealing a mechanistic link between carbohydrate metabolism and systemic iron redistribution. This iron accumulation contributes to m...
ID: 5306
Year: 2026
Products: NWR 193 nm ArF Excimer Laser
Authors: Zaminer, LJ;
Application: Laser;
Epidote group minerals are common sorosilicates occurring in a wide range of metamorphic, hydrothermal and magmatic environments. Due to their chemical variability and trace element incorporation, they represent valuable indicators of metamorphic evolution, fluid interaction and element mobility. This thesis investigates the mineral chemistry and trace element composition of epidote group minerals from metamorphic and hydrothermally altered rocks. Furthermore, all samples are classified according to modern literature. Single crystal specimens and thin sections containing mineral assemblages with epidote group minerals were examined. Petrographic observations were conducted using optical microscopy. Major and trace element compositions were determined by electron probe micro-analysis (EPMA) and laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). Mineral classification was performed following the nomenclature of Armbruster et al. (2006). Recalculated cation occupanci...
ID: 5305
Year: 2026
Products: 4DX Elemental Scientific prepFAST M5 autosampler
Authors: Johnson, N;
Application: isotope;
Streams in the Canadian High Arctic provide an important supply of freshwater and nutrients to the Arctic Ocean. However, the chemical composition of these waters varies over both space and time. Surficial geology and source waters vary across the region, with snow and ice melt and ground thaw progressing over the summer. This study reports on the activity of acidic, sulfate-calcium-magnesium-type stream waters in three shale-dominant watersheds, including a lake-fed and glacier-fed catchment, in the Expedition Fiord region of Axel Heiberg Island, Nunavut, and observes changes in stream water sources over a melt season. Sulfur isotope tracing determined that the water’s sulfate (δ³⁴S = −27.4‰ to −2.5‰) was originating from the sulfide oxidation of disseminated framboidal pyrite (δ³⁴S = −17.8‰), released into the water from seeps with pH as low as 2.94, along with heavy metals at concentrations exceeding water quality guidelines for aquatic life. Accordingly, incre...
ID: 5304
Year: 2026
Products: Product Unavailable
Authors: Arias Gárate, CE;Berrezueta Gualan, AD;
Application: ~
~...
ID: 5303
Year: 2026
Products: TV3.1 ja TV3.2.
Authors: Pentikäinen, N;
Application: ~
~...
ID: 5302
Year: 2026
Products: PFA vials
Authors: MASS, ICP;
Application: ~
~...
ID: 5301
Year: 2026
Products: plasma mass spectrometer
Authors: Sokol, EV;Polovykh, AS;Kokh, SN;Karputin, IS;
Application: ~
~...
ID: 5300
Year: 2026
Products: seaFAST
Authors: Brauner, M;
Application: isotope;
~...
ID: 5299
Year: 2026
Products: Apex Q nebulizer
Authors: McCrimmon, D;
Application: ~
~...
ID: 5298
Year: 2026
Products: ESL Compex 102, excimer laser, 193 nm (2024)
Authors: Hoven, L;
Application: Dissolved;oil;seawater;Laser;
The origin and significance of Paleoarchean barite deposits is not well known. Precipitation may have occurred from seawater, meteoric water, or hydrothermal fluids, or a combination thereof. Given the potential for microbial life to have thrived in these environments, it is important to better understand them. In addition, isotopes in barite provide information about past conditions. S-isotopes provide information on sulphur sources, including volcanic aerosols transported through the atmosphere, while Sr-isotopes provide information on the weathering of ancient crust into seawater. Therefore, understanding how barite is formed is essential. The Dresser Formation (Pilbara, Western Australia) is characterised by the vast amounts of hydrothermal chert-barite deposits. The relationship between the barite and associated chert is poorly understood. In this study, the textural relationships between chert and barite were investigated from samples from the Dresser Mine, using SEM imaging, EDS...
ID: 5297
Year: 2026
Products: Iron and nickel
Authors: Melle, SK;
Application: soil;
The rapid expansion of unregulated hemp-derived products has created a need for analytical methods that characterize both cannabinoid composition and contaminant occurrence. This thesis used liquid chromatography-tandem mass spectrometry (LC-MS/MS) to quantify cannabidiol (CBD), Δ8-tetrahydrocannabinol (Δ8-THC), and Δ9-tetrahydrocannabinol (Δ9-THC), and inductively coupled plasma mass spectrometry (ICP-MS) to measure Al, As, Cd, Cr, Cu, Fe, Mg, Ni, Pb, and Zn in commercial hemp-derived products, laboratory-prepared hemp oils, cultivated hemp tissues, extracted material, and post-harvest soil. Commercial products showed wide cannabinoid variability, with several samples containing more than one target cannabinoid, while laboratory-prepared plant oils showed a more consistent profile dominated by CBD with lower Δ9-THC and no detected Δ8-THC. ICP-MS results showed that metal distribution depended on matrix and metal identity; roots, stems, leaves, buds, oils, extracted material, and...
ID: 5296
Year: 2026
Products: pre- weighed 30 mL PFA vials
Authors: Mukta, S;
Application: Total;Species;soil;agricultural;
This dissertation presents research on conventional argon (Ar) Inductively Coupled Plasma (ICP) and novel nitrogen (N2) Microwave Inductively Coupled Atmospheric Pressure Plasma (MICAP) as ionization source for elemental analysis, evaluating their analytical performance and applications when coupled with the optical emission spectrometer and mass spectrometer. Chapter 1 provides an overview of the fundamental concepts and basic operation principals of ICP spectrometry that forms the basis of research presented in the subsequent chapters. This chapter provides details on plasma generation and sample introduction in ICP systems and builds into coupling the plasma with the Optical Emission Spectrometry (OES) and Mass Spectrometry (MS) units for trace and ultra trace elemental quantification. The principles of OES and MS are discussed in detail to establish the analytical foundation for later applications. The chapter also introduces the N2-sustained MICAP source interfaced with MS as a no...
ID: 5295
Year: 2026
Products: ESL MicroMill2 instrument
Authors: Hao, J;Xu, Q;Hao, F;Chen, X;Sun, C;Wang, P;Yang, G;Li, X;Lu, X;Shi, Z;Xu, H;Zhang, K;
Application: isotope;Laser;geochemistry;
Hydrothermal activity serves as a critical link that records deep geological processes and transfers material and energy to shallow strata. This study focused on the Middle Cambrian strata in the Keping area of the Tarim Basin. Systematic analyses, including thin-section petrography, cathodoluminescence, fluid inclusion thermometry, carbon-oxygen isotope and rare earth element geochemistry, combined with laser in-situ U-Pb dating, were conducted. These methods led to the identification of one stage of diagenetic fluids and three stages of hydrothermal fluids. The results show that the first stage calcite veins formed in the Early Devonian (414-412 Ma) and originated from marine-derived burial fluids; the second stage calcite veins formed from the Middle Devonian to Early Carboniferous (358-335 Ma) as products of mixed marine-derived fluids and deep thermal brines; the third stage saddle dolomite veins formed in the Middle Carboniferous (327-321 Ma) and belong to medium-to high-te...
ID: 5294
Year: 2026
Products: MicroFlow PFA-ST nebulizer
Authors: Athmer, M;Röhnelt, AM;Haderlein, SB;
Application: Environmental;Species;
As the transformation of aminopolyphosphonates (APPs) represents a so far neglected source of glyphosate in the aquatic environment, the identification of further transformation products (TPs) and an understanding of the underlying mechanism are crucial for environmental assessment. APPs are increasingly used in Europe as complexing agents for various applications. During wastewater treatment, they can be readily transformed and can enter the aquatic environment. In previous studies, the transformation of diethylenetriamine penta(methylene phosphonate) (DTPMP) by MnO2 showed the formation of glyphosate, and analysis by ion chromatography (IC) hyphenated with inductively coupled plasma-mass spectrometry (ICP-MS) revealed several unidentified TPs at high fractions. In this work, an advanced methodology combining identification of unknown TPs by electrospray ionization-mass spectrometry (ESI-MS) and species-unspecific quantification by ICP-MS is presented using the DTPMP transformation ex...
ID: 5293
Year: 2026
Products: ESI SC-4 DX FAST autosampler
Authors: Nguyen, H;Fries, E;Jones, D;Megson, D;
Application: Environmental;Forensic;
Regulatory initiatives to mitigate plastic pollution face challenges in identifying microplastics and their sources. Recent advances in computational fingerprinting offer opportunities for the forensic investigation of plastic pollution sources. Here, we present an open-source computational workflow integrating multi-instrumental, nontargeted (organic and inorganic) data from three distinct mass spectrometry methods to evaluate two approaches for potential plastic pollution source tracking. The workflow includes a novel data imputation, normalization, and feature selection strategy with a Random Forest classifier applied to data sets of 42 pristine (store-bought) and 21 weathered (environmentally collected) plastics from U.S. retail products and California beaches. To develop a workflow for source identification, we first, evaluated an “Universal Fingerprint” approach, which tested whether chemical profiles from pristine, store-bought plastic products could be used to identify weat...
ID: 5292
Year: 2026
Products: M2
Authors: Kormányos, A;Szirmai, A;Chen, YH;Murphy, E;
Application: Cells;Total;
Pairing the carbon dioxide reduction process with the electrocatalytic oxidation of glycerol (GOR), instead of the typically applied oxygen evolution reaction, can substantially decrease the cell voltage while forming high-value products at both electrodes. In this contribution, glycerol oxidation was driven as the anode process of a CO2 electrolyzer cell employing different metal (Fe, Ni, and FeNi)-containing nitrogen-doped carbon single-atom catalysts. Under optimal conditions, GOR was sustained at industrially relevant reaction rates (above 100 mA cm-2 current density) with above 90% Faradaic efficiency toward formate formation. At identical total metal loading, the bimetallic FeNi-NC reached around 35-40% higher GOR activity and stability (more than 5 h) under industrially relevant conditions compared to its monometallic counterparts. We demonstrated that a considerable decrease in the metal loading can be achieved by employing single-atom catalysts instead of nanoparticulate catal...
ID: 5291
Year: 2026
Products: NWR213
Authors: Hahndorf, J;Hesse, B;Alberini, V;
Application: Laser;
The aim of this multimodal study was to assess whether gadolinium (Gd) accumulation in uremia-damaged myocardium correlates with late gadolinium enhancement (LGE) patterns and whether Gd localizes within glycosaminoglycan (GAG)-rich regions of the altered extracellular matrix (ECM). An experimental study was conducted on 12 male Wistar rats using an adenine-induced chronic kidney disease (CKD) model to investigate uremic cardiomyopathy-associated ECM changes. Animals were divided into a control group (n = 4) and an adenine diet (AD) group (n = 8) and fed standard chow or a 0.3% adenine diet for up to 10 weeks. Rats received a single dose of gadoversetamide (150-200 μmol/kg, OptiMARK). Health status, body weight, and biochemical parameters were monitored. Hearts were harvested 1.5 h after contrast administration, formalin-fixed, and examined using ex vivo 7 T MR imaging. Adjacent thin sections were taken for multimodal Gd assessment using histology, laser ablation inductively coupled p...
ID: 5290
Year: 2026
Products: Product Unavailable
Authors: Pacer, EJ;Palmer, CD;Quarles Jr, CD;
Application: Clinical;Blood;Environmental;Total;Speciation;Species;detection limits;
Mercury (Hg) is a toxic metal commonly measured in whole blood. Hg toxicity is dependent on the chemical species, where exposure to methylmercury (MeHg) tends to be more harmful than inorganic Hg (iHg), i.e., Hg2+ or Hg0 . Nonetheless, the analysis for both total Hg and Hg speciation in blood are important for environmental and clinical investigations. This work focuses on developing a validated, automated, fast, and reliable method for both total Hg and the separation of iHg and MeHg in whole blood within the same analytical system. The optional addition of vapor generation (VG) was investigated to explore the potential for lower detection limits with a total of four analysis modes in one automated system, i.e., total Hg without VG, total Hg with VG, Hg speciation without VG, and Hg speciation with VG. The method presented here uses a C18 column for the separation of the Hg species within ∼7 minutes. Each of the four analysis modes were evaluated for accuracy by analyzing NIST SRM 9...
ID: 5289
Year: 2026
Products: microFAST Single Cell Autosampler
Authors: Bieniek, Z;Nowosadko, J;Ułanowicz, G;
Application: ~
Plant-derived iron nanoparticles are shown to cross the intestinal barrier as both ions and nanoparticles, revealed by single-particle and single-cell ICP-MS. Image produced using Microsoft Copilot....
ID: 5288
Year: 2026
Products: NWR-FemtoUC 257 nm laser,
Authors: Chen, R;Wu, ST;Niu, J;Yang, YH;Wang, H;
Application: Laser;
Optimization of the skimmer cone insert configuration on an iCap TQ ICP-MS/MS enhances Lu and Hf sensitivities by a factor of 1.5-3.0, extending the applicability of laser ablation Lu-Hf geochronology for low-Lu apatite....
