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The Grafting of Hydroxyaromatic Organics within Layered Perovskites via a Microwave-Assisted Method.
Molecules
June 2024
Department of Chemistry and Advanced Materials Research Institute, University of New Orleans, New Orleans, LA 70148, USA.
A new series of inorganic-organic hybrid perovskite materials were prepared by microwave-assisted grafting reactions. Simple carboxylic acids, acetic acid, and propionic acid, as well as hydroxyaromatic carboxylic acids, 3,5-dihydroxy benzoic acid (DBA), 5-hydroxyisophthalic acid (HPA), 4-hydroxybenzoic acid (HBA), and 4-hydroxy-4-biphenyl carboxylic acid (HBCA), were reacted with the Dion-Jacobson double-layered perovskite, HLaNbO and its alcoxy derivatives. Grafting was found to not occur with simple carboxylic acids, while those molecules with hydroxyls were all attached to the perovskite interlayers.
View Article and Find Full Text PDFEvaluation of the clinical efficacy of ultra-fast track anesthesia for endoscopic thoracic sympathectomy of palmar hyperhidrosis.
J Cosmet Dermatol
October 2024
Department of Anesthesiology, Zhangzhou Affiliated Hospital of Fujian Medical University, Fujian, China.
Objective: In this study, we investigated the safety and practicability of ultra-fast track anesthesia (UFTA) for endoscopic thoracic sympathectomy (ETS).
Methods: A total of 72 patients with palmar hyperhidrosis undergoing ETS were randomly divided into three groups: the UFTA group (group I), the group undergoing single-lumen tracheal intubation with local infiltration anesthesia technique (group II), and the group undergoing single-lumen tracheal intubation with routine anesthesia (group III). Mean arterial pressure (MAP) and heart rate (HR) were recorded for all three groups at the following six time points: Before anesthetics administration (T0), the time of intubating or inserting laryngeal mask airway (T1), the time of incising skin (T2), the time of disconnecting of the right sympathetic nerve (T3), the time of disconnecting of the left sympathetic nerve (T4), the time of withdrawing the tracheal tube or laryngeal mask airway (T5), and the time of transferring the patient to a post-anesthesia care unit (PACU) (T6).
, a Novel Allele of , Regulates Grain Size in Rice.
Plants (Basel)
April 2024
School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya 572025, China.
Grain size has an important effect on rice yield. Although several key genes that regulate seed size have been reported in rice, their molecular mechanisms remain unclear. In this study, a rice small grain size 2 () mutant was identified, and MutMap resequencing analysis results showed that a 2 bp insertion in the second exon of the gene resulted in a grain length and width lower than those of the wild-type Teqing (TQ).
View Article and Find Full Text PDFEffective bolus dose of remimazolam for i-gel insertion in nonparalyzed patients: a dose-finding study.
Can J Anaesth
September 2024
Department of Anesthesiology and Pain Medicine, Severance Hospital, Anesthesia and Pain Research Institute, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
Purpose: Remimazolam is a recently developed ultra-short-acting benzodiazepine used for anesthesia induction and maintenance. Nevertheless, the effective bolus dose of remimazolam for i-gel (Intersurgical Ltd., Wokingham, Berkshire, UK) insertion without the use of neuromuscular blocking agents (NMBAs) has not been well established.
View Article and Find Full Text PDFProximal ligand tunes active site structure and reactivity in bacterial L. monocytogenes coproheme ferrochelatase.
Spectrochim Acta A Mol Biomol Spectrosc
May 2024
Dipartimento di Chimica "Ugo Schiff" (DICUS), Università di Firenze, Via della Lastruccia 3-13, I-50019 Sesto Fiorentino (FI), Italy; INSTM Research Unit of Firenze, via della Lastruccia 3, I-50019 Sesto Fiorentino, Italy. Electronic address:
Ferrochelatases catalyze the insertion of ferrous iron into the porphyrin during the heme b biosynthesis pathway, which is fundamental for both prokaryotes and eukaryotes. Interestingly, in the active site of ferrochelatases, the proximal ligand coordinating the porphyrin iron of the product is not conserved, and its catalytic role is still unclear. Here we compare the L.
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