Results 21 to 30 of about 49,790 (238)

Application of Racemization Process to Dynamic Resolution of ()-Phenylephrine to ()-Phenylephrine β-D-Glucoside by Glucosyltransferase

Natural Product Communications, 2018
Enzymatic glucosylation of racemic phenylephrine by glucosyltransferase from Nicotiana tabacum gave ( R )-phenylephrine glucoside and recovered ( S )-phenylephrine.
Yuya Fujitaka, Daisuke Uesugi, Hatsuyuki Hamada, Hiroki Hamada, Kei Shimoda, Masayoshi Yanagi, Manami Inoue, Shin-ichi Ozaki   +7 more
doaj   +1 more source

Effect of intravenous phenylephrine infusion on dose requirement of intrathecal plain levobupivacaine for cesarean section: A placebo-controlled preliminary study

Saudi Journal of Anaesthesia, 2017
Background: Phenylephrine infusion has been shown to decrease rostral spread of plain and hyperbaric local anesthetic (LA) when compared to ephedrine infusion.
Asha Tyagi, Aanchal Kakkar, Namrata Niwal, Medha Mohta, Ashok Kumar Sethi   +4 more
doaj   +1 more source

Differential sensitivity of basal and acetylcholine-induced activity of nitric oxide to blockade by asymmetric dimethylarginine (ADMA) in the rat aorta [PDF]

, 2010
<b>Background and purpose</b>: Previous work has shown that NG-monomethyl-l-arginine (l-NMMA) paradoxically inhibits basal, but not ACh-stimulated activity of nitric oxide in rat aorta.
Craig, J., AL-Zobaidy, M.J., John Craig, William Martin, Martin, W., Mohammed J AL-Zobaidy   +5 more
core   +1 more source

Simultaneous determination of Guaifenesin, codeine phosphate, phenylephrine hydrochloride, and sodium benzoate in syrup pharmaceutical form by RP-HPLC

Al-Kitab Journal for Pure Sciences, 2023
This work describes the development of the RP-HPLC method for the simultaneous estimation of Guaifenesin, codeine phosphate, phenylephrine, and sodium benzoate.
Muthana S. Ali, Ali E. Karim, Maiser Z. Mohye, Azza M. Al-metwali, Salah N. Ibrahim   +4 more
doaj   +1 more source

Phenylephrine as an alternative to cocaine for nasal vasoconstriction before nasal surgery: A randomised trial

Indian Journal of Anaesthesia, 2013
Background: Cocaine is often used topically to provide the profound vasoconstriction required for nasal surgery; however, it has been associated with intraoperative cardiac adverse effects.
Sawsan T AlHaddad, Ashish K Khanna, Edward J Mascha, Basem B Abdelmalak   +3 more
doaj   +1 more source

Action of phenylephrine on protein synthesis in liver cells [PDF]

, 1987
The alpha-adrenergic agonist phenylephrine was found to inhibit protein labelling from [3H]valine in isolated liver cells. This effect is only observable under conditions of partial Ca2+ depletion and in cells displaying maximal rates of protein ...
Parrilla, Roberto L., Menaya, Juan, Sánchez Ayuso, Matilde   +2 more
core   +1 more source

Comparison of phenylephrine and norepinephrine for prevention of hypotension in patients undergoing cesarean section under spinal anesthesia – A randomized prospective study

Journal of Obstetric Anaesthesia and Critical Care, 2022
Background: Hypotension is a common side effect of spinal anesthesia for cesarean section with incidence of upto 71%. Various vasopressors are available for counteracting spinal hypotension each with different pharmacological profile.
Wakhloo Renu, Bhagat Heena, Gandotra Megha, Suri Era   +3 more
doaj   +1 more source

SHORT-TERM EFFECTS OF PHENYLEPHRINE ON SYSTEMIC AND REGIONAL HEMODYNAMICS IN PATIENTS WITH SEPTIC SHOCK: A CROSSOVER PILOT STUDY

, 2007
Clinical studies evaluating the use of phenylephrine in septic shock are lacking. The present study was designed as a prospective, crossover pilot study to compare the effects of norepinephrine (NE) and phenylephrine on systemic and regional hemodynamics
Guarracino, Fabio, Pietropaoli, Paolo, Lange, Matthias, Bachetoni, Alessandra, Westphal, Martin, Ertmer, Christian, D'Alessandro, Marladomenica, Van Aken, Hugo, Rehberg, Sebastian, Morelli, Andrea, Dünser, Martin, Traber, Daniel L   +11 more
core   +1 more source

Effect of Phenylephrine on Cerebrovascular Regulation: A Translational Perspective

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Background Phenylephrine is an alpha 1‐adrenergic receptor (α1R) agonist. Evidence indicates activation of α1Rs can initiate both vasoconstrictor and dilator signaling. How phenylephrine affects cerebrovascular regulation remains unclear.
Adam M. S. Luchkanych, Breanna Barlage, Gabriela Delgado, Jude S. Morton, Cameron J. Morse, Erika M. Boerman, Ryan L. Hoiland, Mypinder S. Sekhon, Michael M. Tymko, Jaume Padilla, Craig A. Emter, Corey R. Tomczak, M. Harold Laughlin, T. Dylan Olver   +13 more
doaj   +1 more source

Prophylactic Phenylephrine Increases the Dose Requirement of Oxytocin to Treat Uterine Atony During Cesarean Delivery: A Double-Blinded, Single-Center, Randomized and Placebo-Controlled Trial

Frontiers in Pharmacology, 2021
Purpose: Studies involving mouse models and human uterine smooth muscle cells have shown that phenylephrine inhibits uterine contractions in non-pregnant mice and human in vitro cell via cyclic adenosine monophosphate (cAMP) signaling. However, there has
Yao-Hua Shen, Fan Yang, Li-Dan Jin, Yu-Jia Qian, Li Xing, Ya-Li Huang, Su-Feng Lin, Fei Xiao   +7 more
doaj   +1 more source