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Increasing the Orthogonality of 4-Pyridiniophenols: An NMR Study of Their Solvatomagnetism.
Magn Reson Chem
January 2025
Departamento de Química Orgánica y Fisicoquímica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile.
The H- and C-NMR spectra of three substituted N-(4-hydroxyphenyl)pyridinium perchlorates, precursors of solvatochromic 4-pyridiniophenolate betaines, were recorded in deuterated acetone, dimethylsulfoxide, and acetonitrile, and their spectral behavior in these solvents was analyzed as evidence of the solute-solvent interactions present in solution. The effect of the increasing orthogonality between the phenolic and pyridinium fragments was clearly evident from the obtained spectra, thus shedding light on the ground-state structures of their deprotonated solvatochromic derivatives and their interactions with the solvent.
View Article and Find Full Text PDFNeonatal Nutrition and Brain Structure at 7 Years in Children Born Very Preterm.
JAMA Netw Open
January 2025
Liggins Institute, University of Auckland, Auckland, New Zealand.
Importance: Neonatal protein intake following very preterm birth has long lasting effects on brain development. However, it is uncertain whether these effects are associated with improved or impaired brain maturation.
Objective: To assess the association of neonatal protein intake following very preterm birth with brain structure at 7 years of age.
Early functional and structural hippocampal impairment in a bilateral common carotid artery stenosis mouse model.
Animal Model Exp Med
January 2025
Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, China.
Background: Subcortical ischemic vascular dementia (SIVD) is a common subtype of vascular dementia. Currently, the bilateral common carotid artery stenosis (BCAS) mouse model is the most suitable SIVD rodent model. In this study, we investigated the functional and structural impairments in the hippocampus 1 month after BCAS.
View Article and Find Full Text PDFSynthesis and antifungal activity of arecoline derivatives containing amino acid fragments.
Mol Divers
January 2025
School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning, 437100, China.
A series of new arecoline derivatives containing amino acid fragments were synthesized, and their fungicidal activities were investigated. All synthesized compounds were characterized by H NMR, CNMR, and HRMS. Preliminary bioactivity assays demonstrated that Compounds 3k, 3n, 3p, 3q, 3r, and 3s exhibited significant antifungal activity against Botryosphaeria cactivora, Botryosphaeria dothidea, and Fusarium pseudograminearum at a concentration of 100 μg/mL.
View Article and Find Full Text PDFUrinary Continence After Robot-Assisted Laparoscopic Radical Prostatectomy Using the Peritoneal Fixation Technique.
Asian J Endosc Surg
January 2025
Department of Urology, Kanagawa Cancer Center, Yokohama, Japan.
Introduction: The Retzius-sparing technique for prostate cancer has shown favorable continence recovery outcomes. Magnetic resonance imaging after Retzius-sparing showed that the bladder anterior wall is widely connected to the abdominal wall, which contributes to urinary continence. We aimed to evaluate whether the Peritoneal Fixation technique, which involves suturing the anterior bladder wall onto the abdominal wall above the pubic bone, contributes to the recovery of urinary continence.
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