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  1. 2421

    Vitamin Analysis, Trace Elements Content, and Their Extractabilities in Tetrapleura tetraptera by Prince Oteng, John K. Otchere, Stephen Adusei, Richard Q. Mensah, Emmanuel Tei-Mensah

    Published 2020-01-01
    “…The total trace element concentration of Fe, Cu, Co, Mn, and Zn and their extractabilities (%) were determined using flame atomic absorption spectrometer (FAAS), whereas UV-VIS spectrophotometer was used to determine selenium concentration. …”
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  2. 2422
  3. 2423

    Development of HfO₂-Based Solar-Blind SAW UV-C Sensor for Corona Discharge Detection Application by Hyunho Lee, Faisal Nawaz, Eeunsun Shim, Jinjae Lee, Cheol Choi, Keekeun Lee

    Published 2025-01-01
    “…A 30 nm-thick HfO<sub>2</sub> thin film was deposited using atomic layer deposition (ALD) within the cavity of a two-port SAW delay line, providing sufficient volume and density of absorption sites for UV-C exposure. …”
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  4. 2424

    The antibiofilm effect and mechanism of silver nanowire-modified glass ionomer cement against multi-species oral biofilm by Tiantian Guo, Dai Wang, Sherry Shiqian Gao

    Published 2025-01-01
    “…Compressive strength, surface roughness, hardness, and wettability were measured by a universal testing machine, an atomic force microscope (AFM), a Vickers microhardness tester, and a contact angle meter, respectively. …”
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  5. 2425

    The Cortisol Levels, Histology, and Fine Structure of Various Tissues of Fish Gambusia affinis (Baird and Girard, 1853) after Exposure to Lead by Moh Awaludin Adam, Agoes Soegianto, Yenny Risjani, Carolyn Melissa Payus, R. Gunawan Pratama Yoga, Nina Hermayani Sadi, Evi Susanti, Ach Khumaidi, Ramli Ramli

    Published 2023-01-01
    “…The levels of Pb in gills were determined by employing atomic absorption spectrophotometer. The cortisol concentration in organ samples of fish was determined through the utilization of a cortisol ELISA Kit. …”
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  6. 2426

    Trace metals potential human health risks assessment through consuming common food spices in Ado Ekiti, Southwest, Nigeria by J.A. Olusola, O.B. Akintan, O. Osanyinlusi

    Published 2025-03-01
    “…Methods: The research employed an Atomic Absorption Spectrophotometer (AAS) to detect trace minerals like iron (Fe), chromium (Cr), lead (Pb), cadmium (Cd), and arsenic (As) present in commonly consumed spices in Ado Ekiti, Nigeria. …”
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  7. 2427

    Use of Nanostructured Layered Double Hydroxides as Nanofilters in the Removal of Fe2+ and Ca2+ Ions from Oil Wells by Emmanuel K. Ephraim, Chinyere A. Anyama, Ayi A. Ayi, Jude C. Onwuka

    Published 2018-01-01
    “…The isolated compounds were characterized with the help of XRD, IR, and SEM/EDAX, and their ability to remove scale-forming ions from the aqueous system was studied with the help of atomic absorption spectroscopy (AAS). The SEM micrographs of Mg-O-Al-OH and Ca-O-Al-OH layers intercalated with PO43− and/or [PO4PF6]4− anions are similar consisting of uniform nanospheres with an average size of 100 nm, while the M-O-Al-OH layer of compound 3, intercalated with SO42− anions, consists of hexagonal nanoplate crystals. …”
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  8. 2428

    Bioaccumulation and Health Risk Assessments of Heavy Metals in Mussels Collected from Madura Strait, Indonesia by Defri Yona, Aida Sartimbul, Muhammad Arif Rahman, Syarifah Hikmah Julinda Sari, Priyanka Mondal, Abdullah Hamid, Tsania Humairoh

    Published 2021-03-01
    “…The seawater, sediment, and marine mussels were obtained from four sites and heavy metal concentrations were analyzed using Atomic Absorption Spectroscopy. In the seawater, heavy metals were in the order of Cu, Pb, Cd, and Zn from the highest to the lowest concentration respectively, while they went down in the order of Zn, Cu, Pb, and Cd in the sediment respectively. …”
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  9. 2429

    The Role of Microelements of Lumbar Disc Degeneration in Patients Undergoing Lumbar Spine Surgery by Sadiq R. Karkush, Manal K. Rasheed, Ali T. Abdul Wahid, Ahmed R. Majeed

    Published 2024-12-01
    “…The zinc (Zn) and copper (Cu) levels in the blood were determined using an atomic absorption spectrometer. The body mass index (BMI) was determined using the formula: BMIg/m2 = weight/height2. …”
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  10. 2430

    Human health risk from groundwater consumption: A case study in the Apaaso-Tafo Community in the Bono East Region of Ghana by Emmanuel Okyere, Ethel Bentil, Nana Adwoa Kusi-Addai, Lawson Mensah

    Published 2025-02-01
    “…The concentrations of metals (Ca2+, Mg2+ and Fe) were determined using atomic absorption spectroscopy, bacteria (total and faecal coliform) using Multiple Tube Fermentation and Membrane Filter Techniques, and physicochemical qualities using electrometric, titrimetric, argentometric and spectrophotometric methods. …”
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  11. 2431

    Effect of Buffer Charge Redistribution on RF Losses and Harmonic Distortion in GaN-on-Si Substrates by Pieter Cardinael, Sachin Yadav, Bertrand Parvais, Jean-Pierre Raskin

    Published 2024-01-01
    “…While the origin of RF losses and consequently a decreased effective substrate resistivity <inline-formula> <tex-math notation="LaTeX">$({\rho }_{eff})$ </tex-math></inline-formula> in GaN-on-Si substrates is now understood to be diffusion of Al and Ga atoms into the silicon substrate during III-N growth, the effect of upper III-N buffer layers on the <inline-formula> <tex-math notation="LaTeX">${\rho }_{eff}$ </tex-math></inline-formula> degradation under stressed conditions remains unclear. …”
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  12. 2432

    Evolution and Recent Radiation Therapy Advancement in Uganda: A Precedent on How to Increase Access to Quality Radiotherapy Services in Low- and Middle-Income Countries by Awusi Kavuma, Solomon Kibudde, Daniel Kanyike, Joseph Kigula-Mugambe, Tianyu Zhao, Hiram Gay, Baozhou Sun, Jackson Orem

    Published 2025-01-01
    “…With more support from the International Atomic Energy Agency, the acquisition of dosimetry equipment, treatment planning systems, and additional professional training signaled a new era in the fight against cancer. …”
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  13. 2433
  14. 2434

    Safety of Drinking Water from Primary Water Sources and Implications for the General Public in Uganda by Keneth Iceland, Kasozi, Sarah, Namubiru, Roland, Kamugisha, Ejike, Daniel Eze, Fred, Ssempijja, Alfred, Omachonu Okpanachi, Hellen, Wambui Kinyi, Jovile Kasande, Atusiimirwe, Dickson Stuart, Tayebwa, Joy, Suubo, Edgar Mario, Fernandez, Nathan, Nshakira, Andrew, Tamale

    Published 2019
    “…Water samples were analyzed for copper (Cu), iron (Fe), zinc (Zn), lead (Pb), cadmium (Cd), and chromium (Cr) levels using atomic absorption spectrometry (AAS). Water safety measures (EDI, HI, and ILCR) were established for each water source and compared with local and international water permissible standards for each analyte. …”
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  15. 2435
  16. 2436
  17. 2437

    Insights from the compositional evolution of a multi-coloured, zoned tourmaline from the Cruzeiro pegmatite, Minas Gerais, Brazil by G. B. Andreozzi, G. B. Andreozzi, C. Gori, H. Skogby, U. Hålenius, A. Altieri, F. Bosi, F. Bosi

    Published 2025-01-01
    “…A negative correlation between F and Fe<span class="inline-formula"><sup>2+</sup></span> contents was evidenced, approximated by the equation F <span class="inline-formula">=</span> 1 <span class="inline-formula">−</span> 0.33Fe<span class="inline-formula"><sup>2+</sup></span> (in atoms per formula unit) and consistent with the observed tourmaline evolution from schorl to fluor-elbaite.…”
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  18. 2438

    Effect of carbon quantum dots on the anticorrosive action of the tin coatings by Taiane Fíngolo Duarte, Victor Magno Paiva, Braulio Soares Archanjo, Clara Muniz da Silva de Almeida, Natasha Midori Suguihiro, Rodrigo José Corrêa, Emerson Schwingel Ribeiro, Eliane D'Elia

    Published 2025-01-01
    “…In addition, characterizations of the CDs and composite films were carried out by Fourier Transform Infrared Spectroscopy (FTIR), Zeta Potential (ζ), Dynamic Light Scattering (DLS), UV-VIS Spectroscopy, Fluorimetry, X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDS), Transmission Electron Microscopy (TEM), Atomic Force Microscopy (AFM) and Excited Photoelectron Spectroscopy X-Ray (XPS). …”
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  19. 2439

    Is the groundwater of Dhaka city, Bangladesh contaminated with naturally occurring potential toxic elements? by Mahir Tajwar, Mahfuzur Rahman, Mahfuzur Rahman, Shamiha Shafinaz Shreya, Nazmus Sakib, Md. Yousuf Gazi, Md. Yousuf Gazi, Mahmudul Hasan, Anika Samm-A, Anwar Zahid

    Published 2025-01-01
    “…This study investigates the contamination of groundwater in Dhaka City, Bangladesh, focusing on six potentially toxic elements, including As, Cu, Mn, Cr, Al, and B, due to their implications for public health as groundwater serves as the primary source of drinking water in the region. 15 samples were taken into consideration and was analyzed for six elements (As, Cu, Mn, Cr, Al, and B) using an Atomic Absorption Spectrophotometer (AAS). Arsenic (As) and chromium (Cr) were undetectable in all samples. …”
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  20. 2440

    CeO2−δ as Electron Donor in Co0.07Ce0.93O2−δ Solid Solution Boosts Alkaline Water Splitting by Gege Su, Yichao Hou, Jie Yin, Jiayi Yang, Zhenglong Li, Xin Du, Xin Zhang, Pinxian Xi, Chun‐Hua Yan

    Published 2025-01-01
    “…Herein, a series of cerium dioxide (CeO2−δ) based solid solution materials is synthesized via substituting Ce atoms with transition metal (Co, Cu, Ni, etc.), in which Co0.07Ce0.93O2−δ shows optimized band structure because of electron transition in the reaction, namely Co3+ (3d64s0) + Ce3+ (4f15d 06s0) → Co2+ (3d74s0) + Ce4+ (4f05d06s0), with more stable electronic configuration. …”
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