Super‐Intense Geomagnetic Storm on 10–11 May 2024: Possible Mechanisms and Impacts by S. Tulasi Ram, B. Veenadhari, A. P. Dimri, J. Bulusu, M. Bagiya, S. Gurubaran, N. Parihar, B. Remya, G. Seemala, Rajesh Singh, S. Sripathi, S. V. Singh, G. Vichare

“…Further, an HF radio blackout was found to occur in the 2–12 MHz frequency band due to strong D‐ and E‐region ionization resulting from a solar flare prior to this storm.…”
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Synthesis and Evaluation of In Vitro Antibacterial and Antitumor Activities of Novel N,N-Disubstituted Schiff Bases by Heng Luo, Yu-fen Xia, Bao-fei Sun, Li-rong Huang, Xing-hui Wang, Hua-yong Lou, Xu-hui Zhu, Wei-dong Pan, Xiao-dong Zhang

“…We used the reaction between salicylaldehyde and different diamine compounds, including diamine, ethanediamine, and o-phenylenediamine, determining the structure of obtained molecules by nuclear magnetic resonance spectroscopy and electrospray ionization mass spectroscopy. We thus evaluated the microbicidal and antitumor activity of these compounds, showing that salicylaldehyde-hydrazine hydrate Schiff base (compound 1a) significantly inhibited the growth of S. aureus; salicylaldehyde-o-phenylenediamine Schiff base (compound 1c) displayed a strong capability to inhibit the proliferation of leukemia cell lines K562 and HEL. …”
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Simultaneous Quantitative and Qualitative Analysis of Flavonoids from Ultraviolet-B Radiation in Leaves and Roots of Scutellaria baicalensis Georgi Using LC-UV-ESI-Q/TOF/MS by Wen-Ting Tang, Min-Feng Fang, Xiao Liu, Ming Yue

“…Liquid chromatography-ultraviolet detection coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (LC-UV-ESI-Q/TOF/MS) method was applied for simultaneous quantitative and qualitative analysis of flavonoids in leaves and roots of S. baicalensis by enhanced UV-B radiation. …”
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Global Empirical Model of Sporadic-E Occurrence Rates by Eli V. Parsch, Anthony L. Franz, Eugene V. Dao, Dong L. Wu, Nimalan Swarnalingam, Nimalan Swarnalingam, Cornelius C. J. H. Salinas, Daniel J. Emmons

“…Intense ionization enhancements in the Earth’s ionosphere, known as sporadic-E (Es), can degrade and severely disrupt the propagation of radio signals. …”
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Determination of Trans-Fatty Acid Levels in Selected Syrian Food Products by Radwan Badr Al-Deen, Bassam Al-Oklah, Mohamad Alshehabi, Tahani Al-idee

“…The Soxhlet method was used to extract the lipids from the samples (except oils), then the methyl esters of fatty acids (FAME) were prepared and the concentration of fatty acids (g/100g) was determined using gas chromatography (GC) equipped with a Split/Splitless injector and a flame ionization detector (FID). The results revealed that the levels of Trans fatty acids (TFAs) ranged in all samples from 0.04 to 1.82 g/100g, with high amounts (4.78%) found in one sample of cow’s ghee, two samples of palm oil, and one sample of soybean oil. …”
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Simultaneous Quantification of Brigatinib and Brigatinib-Analog in Rat Plasma and Brain Homogenate by LC-MS/MS: Application to Comparative Pharmacokinetic and Brain Distribution St... by Bo Li, Min Lu, Lei Jin, Maoen Zheng, Peilu Sun, Shanshan Lei, Shan Xiong, Suhong Chen

“…Detections were performed using a TSQ Quantum Ultra mass spectrometric detector with electrospray ionization (ESI) interface, which was operated in the positive ion mode. …”
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Ionospheric Response to the Extreme 2024 Mother's Day Geomagnetic Storm Over the Latin American Sector by C. S. Carmo, L. Dai, C. M. Wrasse, D. Barros, H. Takahashi, C. A. O. B. Figueiredo, C. Wang, H. Li, Z. Liu

“…The geomagnetic storm caused a super fountain effect, propelling plasma from the equator to a distance of ∼35° latitude, and depositing high‐density plasma on the crest of the equatorial ionization anomaly (EIA).…”
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High Throughput Quantitative Bioanalytical LC/MS/MS Determination of Gemifloxacin in Human Urine by Adnan A. Kadi, Rihab F. Angawi, Mohamed W. Attwa, Hany W. Darwish, Ali Saber Abdelhameed

“…The analytes were monitored by electrospray ionization in positive ion multiple reaction monitoring mode. …”
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Prevalence and methodologies for detection, characterization and subtyping of Listeria monocytogenes and L. ivanovii in foods and environmental sources by Jin-Qiang Chen, Patrick Regan, Pongpan Laksanalamai, Stephanie Healey, Zonglin Hu

“…In this review, we (A) described L. monocytogenes and L. ivanovii, world-wide incidence of listeriosis, and prevalence of various L. monocytogenes strains in food and environmental sources; (B) comprehensively reviewed different types of traditional and newly developed methodologies, including culture-based, antigen/antibody-based, LOOP-mediated isothermal amplification, matrix-assisted laser desorption ionization-time of flight-mass spectrometry, DNA microarray, and genomic sequencing for detection and characterization of L. monocytogenes in foods and environmental sources; (C) comprehensively summarized different subtyping methodologies, including pulsed-field gel electrophoresis, multi-locus sequence typing, ribotyping, and phage-typing, and whole genomic sequencing etc. for subtyping of L. monocytogenes strains from food and environmental sources; and (D) described the applications of these methodologies in detection and subtyping of L. monocytogenes in foods and food processing facilities.…”
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Insights into the Properties of Type Ibn/Icn Supernovae and Their Progenitor Channels through X-Ray Emission by Yusuke Inoue, Keiichi Maeda

“…In addition, considering the evolution of the ionization state in the unshocked CSM, a bright soft X-ray is expected in the first few days since the explosion, which encourages rapid X-ray follow-up observations as a tool to study the nature of SNe Ibn/Icn. …”
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Validation of the α-μ Model of the Power Spectral Density of GPS Ionospheric Amplitude Scintillation by Kelias Oliveira, Alison de Oliveira Moraes, Emanoel Costa, Marcio Tadeu de Assis Honorato Muella, Eurico Rodrigues de Paula, Waldecir Perrella

“…The formulation based on the α-μ model is developed and validated using experimental data obtained in São José dos Campos (23.1°S; 45.8°W; dip latitude 17.3°S), Brazil, located near the southern crest of the ionospheric equatorial ionization anomaly. These data were collected between December 2001 and January 2002, a period of high solar flux conditions. …”
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Development and Validation of Ecofriendly HPLC-MS Method for Quantitative Assay of Amoxicillin, Dicloxacillin, and Their Official Impurity in Pure and Dosage Forms by Atiah H. Almalki, Essraa A. Hussein, Ibrahim A. Naguib, Eglal A. Abdelaleem, Hala E. Zaazaa, Fatma F. Abdallah

“…The quantitative analysis was executed using single quadrupole mass spectrometer in which electrospray ionization, selected ion monitoring, and negative mode were operated. …”
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Identifying the Geographical Origin of Tobacco Leaf by Strontium and Lead Isotopic with Mineral Elemental Fingerprint by Liu Hong, Wenyuan Wang, Yang Su, Guiping Zhang, Yong Su, Chenming Zhang, Jianhua Chen, Wei Zhe, Zhihua Liu, Jianyong Cui, Deshou Mao, Jin Wang

“…And nine mineral element contents and four strontium and lead isotope ratios of the tobacco leaves were determined by thermal ionization mass spectrometry (TIMS) and inductively coupled plasma mass spectrometry (ICP-MS). …”
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Characterization of Anthocyanins Including Acetylated Glycosides from Highbush Blueberry (<i>Vaccinium corymbosum</i> L.) Cultivated in Korea Based on UPLC-DAD-QToF/MS and UPLC-Qtr... by Ju Hyung Kim, Ryeong Ha Kwon, So Ah Kim, Hyemin Na, Jeong-Yong Cho, Heon-Woong Kim

“…Among them, seven acetylated glycosides were tentatively determined by comparing the related authentic standards and previous reports and presented mass fragmentation, in which the acetyl group remained as the form attached to the sugar without de-esterification in positive ionization mode. The mid-season cultivar ‘New Hanover’ showed the highest total anthocyanin content (1011.7 mg/100 g dry weight) with predominant malvidin and delphinidin glycosides. …”
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Amplitude Scintillation Severity and Fading Profiles Under Alignment Between GPS Propagation Paths and Equatorial Plasma Bubbles by J. Sousasantos, B. J. Affonso, A. Moraes, F. S. Rodrigues, M. A. Abdu, L. A. Salles, B. C. Vani

“…Data from three stations (dip latitudes: 16.13°S, 19.87°S, and 22.05°S) located around the Equatorial Ionization Anomaly (EIA) region were used to assess the amplitude scintillation severity and the deep fading events features under aligned and nonaligned conditions. …”
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Synthesis of Nanochitosan from Cambarus Bartonii Waste and its Utilization in The Removal of Polycyclic Aromatic Hydrocarbons in Surface Water from Ifite Ogwari, Southeastern Niger... by Vincent Okafor, Deborah Kehinde, Abimbola Akinyele, Benjamin Modozie

“…PAHs were assessed in untreated and treated water samples using Gas Chromatography-Flame ionization Detector (GC-FID). Results of DLS particle size analyzer ranged between 55.78 nm and 92.64 nm. …”
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Mechanically stable polymer networks incorporating polymeric ionic liquids for enhanced conductivity in solid-state electrolytes by Sezer Özenler, Nataliya Kiriy, Upenyu L. Muza, Martin Geisler, Anton Kiriy, Brigitte Voit

“…Molecular weights of the PIL samples, ranging from 30 to 40 kDa, were determined using a complimentary combination of thermal field-flow fractionation (ThFFF) and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) analysis. …”
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Toxicological landscape of Fuzi: a comprehensive study on the spatial distribution of toxicants and regional neurotoxicity variability in zebrafish by Xiaoqi Pan, Xiaoqi Pan, Tianyu Liang, Han Feng, Weiying Liu, Qiaoxin Mou, Xiaoyu Yan

“…Matrix-assisted laser desorption/Ionization mass spectrometry imaging (MALDI-MSI) method was employed to map the spatial distribution of six key diester-type alkaloids from Fuzi samples originating from five major regions. …”
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Serum hydroxycotinine was associated with chronic kidney disease (CKD): a cross-sectional study based on NHANES by Meng’en Zhu, Zhimin Bi, Yaoling Wang, Wei Li

“…Serum hydroxycotinine was measured by an isotope-dilution high-performance liquid chromatography/atmospheric pressure chemical ionization tandem mass spectrometric (ID HPLC-APCI MS/MS) method with a lower limit of detections (LLOD) at 0.015 ng/mL. …”
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Geomagnetic Storm‐Induced Plasma Density Enhancements in the Southern Polar Ionospheric Region: A Comparative Study Using St. Patrick's Day Storms of 2013 and 2015 by P. R. Shreedevi, R. K. Choudhary, Smitha V. Thampi, Sneha Yadav, T. K. Pant, Yiqun Yu, Ryan McGranaghan, Evan G. Thomas, Anil Bhardwaj, A. K. Sinha

“…The TEC enhancements during both the storm events are associated with the formation of the storm‐enhanced densities (SEDs)/tongue of ionization (TOI). The strong and sustained magnetopause erosion led to the prevalence of stronger storm time electric fields (prompt penetration electric field (PPEF)/subauroral polarization streams (SAPS)) for long duration on 17 March 2015. …”
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