Results 11 to 20 of about 15,597 (234)

Permeation of polyethylene glycols across the tympanic membrane [PDF]

open access: yesGiant, 2021
Localized and non-invasive delivery of therapeutics across barriers in the body is challenging. Examples include the flux of drugs across the tympanic membrane (TM) for the treatment of middle ear infections, and across the round window to treat inner ...
Wei Zhang   +6 more
doaj   +2 more sources

Mechano-Induced Synthesis of Polyethylene Glycols α,ω-DiSubstituted with 4-(PAH)-1H-1,2,3-Triazoles in Presence of In Situ-Generated Bronze Microparticles as Catalyst [PDF]

open access: yesMolecules
A method for the mechanochemical CuAAC click reaction (Cu+-promoted azido–alkyne cycloaddition) in the presence of bronze powder/copper beads without the use of a pre-introduced catalyst and ligands with greener prospect is presented. A new type of tri-,
Mohammed S. Mohammed   +6 more
doaj   +2 more sources

Laser Microinterferometry for API Solubility and Phase Equilibria: Darunavir as a Case Example [PDF]

open access: yesPharmaceutics
Background: The solubility and phase behavior of APIs are crucial for the development of medicines and ensuring their stability. However, conventional experimental approaches often do not allow for the precise determination of phase transitions and ...
Veronika Makarova   +2 more
doaj   +2 more sources

INTERACTION OF TEMAZEPAM WITH CERTAIN MACROMOLECULES: IV- PHASE DIAGRAM OF TEMAZEPAM-POLYETHYLENE GLYCOL BINARY SYSTEMS [PDF]

open access: yesBulletin of Pharmaceutical Sciences. Assiut University, 1988
Differential scanning calorimetery and hot stage microscopy were used to build up temperature-composition phase diagrams for temazepam-polyethylene glycol 2000, 4000 and 6000 physical mixtures and comprecipitates. The phase diagram showed the systems to
B. Mulley   +3 more
doaj   +1 more source

Antifibrotic preventive effect of polyethylene glycol (PEG) 3350 in methotrexateinduced hepatoxicity model

open access: yesActa Cirúrgica Brasileira, 2022
Purpose: Liver damage caused by drugs and other chemicals accounts for about 5% of all cases. Methotrexate (MTX), a folic acid analogue, is a first-line synthetic antimetabolite agent routinely used in the treatment of rheumatoid arthritis and other ...
Hüseyin Acar   +4 more
doaj   +1 more source

Investigation on Acoustic Parameters of Monosodium Glutamate Food Preservative in an Aqueous Solution of PolyEthylene Glycols (400 and 600) [PDF]

open access: yesE3S Web of Conferences, 2023
This paper aims to examine the impact of social media on mental health. Aqueous monosodium glutamate (MSG) was mixed with polyethylene (PEG400 and PEG600), and the resulting mixture was weighed and subjected to acoustic density and velocity measurements.
Firdaus Ansari Ammara, Juglan K.C.
doaj   +1 more source

Formulation, Physiochemical, and Microbial Assay of Henna Oil Vaginal Suppository Formulated with Polyethylene Glycol Bases [PDF]

open access: yesIranian Journal of Medical Sciences, 2020
Background: Persian Medicine is one of the oldest and richest complementary and alternative options in the field of medicine and has a comprehensive medical system.
Payam Khazaeli   +5 more
doaj   +1 more source

Relationship between Friction Coefficient, Viscosity and Compressibility of Polyethylene Glycol

open access: yesTribology Online, 2008
An ultrasonic liquid processor with the frequency of 20 kHz was used to cleave a principal chain in a polyethylene glycol molecule. The amount of the lubricant molecules cleaved by the ultrasonic disruption was evaluated by the kinematic viscosity ...
Kazuaki Hachiya, Tatsuya Nitta
doaj   +1 more source

Synthesis by High-Efficiency Liquid-Phase (HELP) Method of Oligonucleotides Conjugated with High-Molecular Weight Polyethylene Glycols (PEGs)

open access: yesBiological Procedures Online, 1998
The chemical modification of synthetic oligonucleotides has recently been investigated to improve their pharmacological utilization. In addition to chemical alterations of the backbone and of the heterocyclic bases, their conjugation with amphiphylic ...
Bonora GM, Zaramella S, Veronese FM
doaj   +1 more source

Influence of certain adsorbents on the in vitro availability of lidocaine from some suppository bases [PDF]

open access: yesBulletin of Pharmaceutical Sciences. Assiut University, 1999
The effect of porous calcium silicate (Florite R) and microcryst. cellulose (Avicel PH 102) on the physicochem. characterizations and dissoln. rate of lidocaine (LD) and consequently the effect on the in vitro release of LD from some suppository bases ...
M. Abd El-Mohsen   +3 more
doaj   +1 more source

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