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Fe-Co-Fe prussian blue analogues loaded nitrogen doped carbon quantum dots for effective epinephrine detection.
Talanta
January 2025
The School of Material Science and Chemical Engineering, Harbin University of Science and Technology, Harbin, 150040, PR China.
Epinephrine (Ep) is an important neurotransmitter, which plays an important role in the nervous system and glycogen metabolism of living organisms. Hence, a novel NCQDs/FeCoFe-PBA composite with FeCoFe-Prussian blue analogues (PBA) as the core and nitrogen-doped carbon quantum dots (NCQDs) as the shell was constructed by a one-pot hydrothermal method, and it was used for the efficient detection of Ep. As a good electroactive material, NCQDs in the composite not only improved the weak conductivity of FeCoFe-PBA, but also limited the self-aggregation of FeCoFe-PBA, and formed a uniform shell on FeCoFe-PBA.
View Article and Find Full Text PDFSepsis-induced cardiogenic shock: controversies and evidence gaps in diagnosis and management.
J Intensive Care
January 2025
Department of Medicine, John A. Burns School of Medicine, University of Hawai'i, Honolulu, HI, USA.
Sepsis often leads to vasoplegia and a hyperdynamic cardiac state, with treatment focused on restoring vascular tone. However, sepsis can also cause reversible myocardial dysfunction, particularly in the elderly with pre-existing heart conditions. The Surviving Sepsis Campaign Guidelines recommend using dobutamine with norepinephrine or epinephrine alone for patients with septic shock with cardiac dysfunction and persistent hypoperfusion despite adequate fluid resuscitation and stable blood pressure.
View Article and Find Full Text PDFSOX2 sustentacular cells are stem cells of the postnatal adrenal medulla.
Nat Commun
January 2025
Centre for Craniofacial and Regenerative Biology, King's College London, London, UK.
Renewal of the catecholamine-secreting chromaffin cell population of the adrenal medulla is necessary for physiological homeostasis throughout life. Definitive evidence for the presence or absence of an adrenomedullary stem cell has been enigmatic. In this work, we demonstrate that a subset of sustentacular cells endowed with a support role, are in fact adrenomedullary stem cells.
View Article and Find Full Text PDFWide Awake Local Anaesthesia No Tourniquet Surgery of the Foot and Ankle: A Review of Indications, Technique, Patient Satisfaction, and Complications.
Cureus
December 2024
Histopathology, Government Medical College, Srinagar, Srinagar, IND.
Wide-awake surgery of the hand was surrounded by a lot of apprehension, mainly over concerns around using epinephrine near digits and its potential to cause digital ischemia and necrosis. With multiple reports underlining its safety and effectiveness, it is now being widely adopted in hand and wrist surgery. The British Society for Surgery of the Hand has already published guidelines on operating outside of main theatres, with an emphasis on wide awake local anaesthesia no tourniquet (WALANT).
View Article and Find Full Text PDFPotential role of electroencephalographic monitoring for diagnosis and treatment of local anesthetic systemic toxicity during general anesthesia: a case report.
JA Clin Rep
December 2024
Department of Anesthesiology and Pain Relief Center, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.
Background: Local anesthetic systemic toxicity (LAST) is a rare but potentially life-threatening complication. Under general anesthesia, neurological signs are often masked, delaying diagnosis and increasing the risk of sudden cardiovascular collapse. Therefore, early detection methods are critically needed.
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