Showing 3,141 - 3,160 results of 3,204 for search '"spectroscopy"', query time: 0.10s Refine Results
  1. 3141

    Targeting the G-quadruplex as a novel strategy for developing antibiotics against hypervirulent drug-resistant Staphylococcus aureus by Maria Sultan, Maria Razzaq, Joohyun Lee, Shreyasi Das, Shrute Kannappan, Vinod Kumar Subramani, Wanki Yoo, Truc Kim, Hye-Ra Lee, Akhilesh K. Chaurasia, Kyeong Kyu Kim

    Published 2025-02-01
    “…Physicochemical assessments using UV–visible, circular dichroism, and nuclear magnetic resonance spectroscopy confirmed that the G4-motif present in the mraZ promoter formed an intramolecular parallel G4 structure, interacting with NMM. …”
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  2. 3142

    Thermoresponsive Gels with Rosemary Essential Oil: A Novel Topical Carrier for Antimicrobial Therapy and Drug Delivery Applications by Ludovic Everard Bejenaru, Adina-Elena Segneanu, Cornelia Bejenaru, Ionela Amalia Bradu, Titus Vlase, Dumitru-Daniel Herea, Marius Ciprian Văruţ, Roxana Maria Bălăşoiu, Andrei Biţă, Antonia Radu, George Dan Mogoşanu, Maria Viorica Ciocîlteu

    Published 2025-01-01
    “…These microparticles were thoroughly characterized using Fourier-transform infrared (FTIR) spectroscopy to confirm functional group interactions, scanning electron microscopy (SEM) for surface morphology, X-ray diffraction (XRD) for crystalline properties, and thermal analysis for stability assessment. …”
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  3. 3143

    Comparative Structural and Biophysical Investigation of <i>Lycosa erythrognatha</i> Toxin I (LyeTx I) and Its Analog LyeTx I-b by Amanda Neves de Souza, Gabriele de Azevedo Cardoso, Lúcio Otávio Nunes, Christopher Aisenbrey, Evgeniy Salnikov, Kelton Rodrigues de Souza, Ahmad Saad, Maria Elena de Lima, Jarbas Magalhães Resende, Burkhard Bechinger, Rodrigo Moreira Verly

    Published 2025-01-01
    “…Both peptides were isotopically labeled with <sup>2</sup>H<sub>3</sub>-Ala and <sup>15</sup>N-Leu to facilitate structural studies via NMR spectroscopy. <b>Results:</b> Circular dichroism and solid-state NMR analyses revealed that, while both peptides adopt α-helical conformations in membrane mimetic environments, LyeTx I-b exhibits a more amphipathic and extended helical structure, which correlates with its enhanced membrane interaction. …”
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  4. 3144

    Performance Evaluation of Dual-Drive Mach-Zehnder Modulator and Optomechanical Crystal Cavity Comb Generation for All-Optical Band Conversion in 5G-Advanced Cellular Systems by Vicente Fito, Raul Ortiz, Maria Morant, Laura Mercade, Alejandro Martinez, Roberto Llorente

    Published 2025-01-01
    “…Optical frequency combs, featuring a spectrum of discrete, equally spaced coherent frequency lines, are crucial for high-precision metrology, spectroscopy, and telecommunications. Their effectiveness in all-optical frequency conversion depends on their stability in terms of frequency drift, phase noise, and power distribution across the comb lines. …”
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  5. 3145

    Surface functionalization of titanium implants with controlled-release glutathione conjugate for antioxidant and osteogenesis by Huichuan Xu, Kosuke Nozaki, Ziniu Yu, Nobuyuki Kawashima, Takeshi Ueno, Huaze Wu, Hao Wu, Noriyuki Wakabayashi

    Published 2025-01-01
    “…X-ray photoelectron spectroscopy revealed differences in the chemical composition, accompanied by concurrent sulfur and phosphorus peaks, indicating the synthesis and covalent binding of the VPA-GSH conjugates onto the Ti surfaces. …”
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  6. 3146

    Exploring the potential of black soldier fly live larvae as a sustainable protein source for laying hens: A comprehensive study on egg quality by Arianna Cattaneo, Erminia Sezzi, Marco Meneguz, Roberto Rosà, Davide Santori, Sofia Cucci, Rosalba Roccatello, Francesca Grosso, Stefano Mercandino, Valeria Zambotto, Eugenio Aprea, Pavel Solovyev, Luana Bontempo, Angela Trocino, Gerolamo Xiccato, Sihem Dabbou

    Published 2025-01-01
    “…., chemical composition, fatty acid (FA) profile, and metabolic profile using nuclear magnetic resonance (NMR) spectroscopy. To this aim, 108 Lohman Brown hens were housed in 27 cages (9 replicates per treatment, 4 birds per pen) and monitored between 16 and 34 weeks of age. …”
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  7. 3147
  8. 3148

    Novel type 2 diabetes prediction score based on traditional risk factors and circulating metabolites: model derivation and validation in two large cohort studiesResearch in context by Ruijie Xie, Christian Herder, Sha Sha, Lei Peng, Hermann Brenner, Ben Schöttker

    Published 2025-01-01
    “…A total of 249 NMR-derived metabolites were quantified using nuclear magnetic resonance (NMR) spectroscopy. Metabolites were selected with LASSO regression and model performance was evaluated with Harrell's C-index. …”
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  9. 3149

    Thermally activated fluorescence in 9,10-DPA single crystals enabling high-performance fast neutron detection by Yingming Wang, Lingyan Xu, Lu Liang, Zhentao Qin, Zhuochen Cai, Kaifu Zhang, Chongqi Liu, Lixiang Lian, Wei Zheng, Yanyan Lei, Qinzeng Hu, Binbin Zhang, Tao Wang, Wanqi Jie

    Published 2025-02-01
    “…The thermally activated fluorescence emission mechanism of DPA crystal was revealed using power-dependent and temperature-dependent photoluminescence spectroscopy. The fluorescence intensity increased with increasing temperature, suggesting its potential for neutron/gamma pulse shape screening (PSD) at high temperatures. …”
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  10. 3150

    Clinical and molecular outcomes from the 5-Year natural history study of SSADH Deficiency, a model metabolic neurodevelopmental disorder by Itay Tokatly Latzer, Jean-Baptiste Roullet, Wardiya Afshar-Saber, Henry H. C. Lee, Mariarita Bertoldi, Gabrielle E. McGinty, Melissa L. DiBacco, Erland Arning, Melissa Tsuboyama, Alexander Rotenberg, Thomas Opladen, Kathrin Jeltsch, Àngels García-Cazorla, Natalia Juliá-Palacios, K. Michael Gibson, Mustafa Sahin, Phillip L. Pearl

    Published 2024-04-01
    “…Methods SSADHD subjects underwent clinical evaluations, neuropsychological assessments, biochemical quantification of γ-aminobutyrate (GABA) and related metabolites, electroencephalography (standard and high density), magnetoencephalography, transcranial magnetic stimulation, magnetic resonance imaging and spectroscopy, and genetic tests. This was parallel to laboratory molecular investigations of in vitro GABAergic neurons derived from induced human pluripotent stem cells (hiPSCs) of SSADHD subjects and biochemical analyses performed on a versatile murine model that uses an inducible and reversible rescue strategy allowing on-demand and cell-specific gene therapy. …”
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  11. 3151
  12. 3152

    Preclinical pharmaco-toxicological screening of biomimetic melanin-like nanoparticles as a potential therapeutic strategy for cutaneous melanoma by Iasmina Marcovici, Iasmina Marcovici, Raul Chioibas, Raul Chioibas, Istvan Zupko, Iulia Pinzaru, Iulia Pinzaru, Alina Moaca, Alina Moaca, Adriana Ledeti, Adriana Ledeti, Lucian Barbu-Tudoran, Lucian Barbu-Tudoran, Andreea Geamantan, Andreea Geamantan, Iasmina Predescu, Iasmina Predescu, Cristina Adriana Dehelean, Cristina Adriana Dehelean

    Published 2025-02-01
    “…The current study presents the preclinical evaluation of MEL-NPs as a potential nanomedicine for CM management.MethodsMEL-NPs were produced through the oxidative polymerization of dopamine and characterized via electron microscopy and UV-VIS spectroscopy. The antioxidant activity was determined by using the DPPH method. …”
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  13. 3153
  14. 3154

    Tungsten impurity reduction by ICRH in a high power injection and high performance H-mode discharge on EAST by Zhen Zhou, Shengyu Shi, Ling Zhang, Tao Zhang, Xiaohe Wu, Yunxin Cheng, Wenmin Zhang, Chaowei Mai, Shengyu Fu, Yifei Jin, Xiang Jian, Kaixuan Ye, Lin Yu, Ziqiang Zhou, Jiuyang Ma, Shuqi Yang, Kangning Geng, Gongshun Li, Jia Huang, Fei Wen, Yunfeng Liang, Xiang Gao

    Published 2025-01-01
    “…Under this condition, the intensity of W unresolved transition array spectral structure in the region of 45–70 Ǻ (which is composed of W ^27+ -W ^45+ line emissions) and W ^44+ density through spectroscopy in the Extreme Ultraviolet region decreases markedly. …”
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  15. 3155

    Surface prereacted glass-ionomer particles incorporated into resin composites promote biocompatibility for restoration of subgingival dental defects by Yueyi Yang, Jing Huang, Xuchen Hu, Meiling Jing, Yujie Zhang, Chenci Xu, Wenduo Tan, Xiaoyu Liu, Chenguang Niu, Zhengwei Huang

    Published 2025-04-01
    “…The microstructure and elemental distribution were characterized by scanning electronic microscopy and energy-dispersive spectroscopy. The resin composites containing 50 or 70 wt% S-PRG fillers exhibited comprehensively better physicochemical properties, including flexural modulus, compressive strength, and water sorption. …”
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  16. 3156

    WAND: A multi-modal dataset integrating advanced MRI, MEG, and TMS for multi-scale brain analysis by Carolyn B. McNabb, Ian D. Driver, Vanessa Hyde, Garin Hughes, Hannah L. Chandler, Hannah Thomas, Christopher Allen, Eirini Messaritaki, Carl J. Hodgetts, Craig Hedge, Maria Engel, Sophie F. Standen, Emma L. Morgan, Elena Stylianopoulou, Svetla Manolova, Lucie Reed, Matthew Ploszajski, Mark Drakesmith, Michael Germuska, Alexander D. Shaw, Lars Mueller, Holly Rossiter, Christopher W. Davies-Jenkins, Tom Lancaster, C. John Evans, David Owen, Gavin Perry, Slawomir Kusmia, Emily Lambe, Adam M. Partridge, Allison Cooper, Peter Hobden, Hanzhang Lu, Kim S. Graham, Andrew D. Lawrence, Richard G. Wise, James T. R. Walters, Petroc Sumner, Krish D. Singh, Derek K. Jones

    Published 2025-02-01
    “…Abstract This paper introduces the Welsh Advanced Neuroimaging Database (WAND), a multi-scale, multi-modal imaging dataset comprising in vivo brain data from 170 healthy volunteers (aged 18–63 years), including 3 Tesla (3 T) magnetic resonance imaging (MRI) with ultra-strong (300 mT/m) magnetic field gradients, structural and functional MRI and nuclear magnetic resonance spectroscopy at 3 T and 7 T, magnetoencephalography (MEG), and transcranial magnetic stimulation (TMS), together with trait questionnaire and cognitive data. …”
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  17. 3157
  18. 3158

    The Protocol for the Multi-Ethnic, multi-centre raNdomised controlled trial of a low-energy Diet for improving functional status in heart failure with Preserved ejection fraction (... by Noelle Robertson, Melanie J Davies, Thomas Yates, Gerry P McCann, Gaurav Singh Gulsin, Emer M Brady, Joanne V Wormleighton, Eylem Levelt, Oliver Rider, Jiliu Pan, Christopher Miller, Iain Squire, Mehak Asad, Fardad Soltani, Michelle Hadjiconstantinou, Rachel L Brown, Joanna M Bilak

    Published 2025-01-01
    “…Optional substudies include a qualitative study assessing participants’ experiences and barriers to adopting MRP, and skeletal muscle imaging and cardiac energetics using 31Phosphorus MR spectroscopy.Statistical analysis Complete case analysis will be conducted with adjustment for baseline randomisation factors including sex, ethnicity and baseline SGLT2-i use. …”
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  19. 3159

    Pierre et carrières dans la Saintonge antique : identification, usages et diffusion by Jacques Gaillard, Egle Conforto

    Published 2022-12-01
    “…This technique is known as EDS (energy dispersive spectroscopy). Scanning electron microscope analysis reveals a mass of grains composed mainly of pure silica, with a minority of other more remarkable grains, wherein silica has combined with elements such as aluminium, potassium and iron. …”
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  20. 3160

    Petrogenesis of Intrusive body in Northeast of Joveinan, North of Isfahan, Urumieh- Dokhtar magmatic zone by Shahzad Sherafat, Majid Zeidi, Mahnaz Khodami

    Published 2024-10-01
    “…Subsequently, 6 samples with the least amount of alteration were chosen and sent to the ACME Canadian laboratory for ICP-OES inductively coupled plasma emission spectroscopy and ICP-MS inductively coupled plasma mass spectrometry analysis. …”
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