Results 11 to 20 of about 24,868 (197)

Production of theophylline via aerobic fermentation of pu-erh tea using tea-derived fungi

open access: yesBMC Microbiology, 2019
Background Caffeine is one of the most abundant methylxanthines in tea, and it remains stable in processing of general teas. In the secondary metabolism of microorganism, theophylline is the main conversion product in caffeine catabolism through ...
Binxing Zhou   +5 more
doaj   +1 more source

BIOAVAILABILITY STUDIES OF THEOPHYLLINE MICROCAPSULES [PDF]

open access: yesBulletin of Pharmaceutical Sciences. Assiut University, 1990
The release of theophylline from microcapsules prepared by using different concentrations of ethylene-vinyl acetate (EVA) copolymer as a coacervation-inducing agent was investigated in simulated gastric and intestinal fluids.
S. El-Shanawany, S. Safwat
doaj   +1 more source

Prophylactic Theophyline reduces birth asphyxia related renal injury in term neonates

open access: yesJournal of Rawalpindi Medical College, 2023
BACKGROUND INTRODUCTION: Birth Asphyxia (Perinatal Asphyxia) in newborn is a condition caused by the inadequate supply of oxygen before, during, or just after birth. Kidney is the most damaged organ in asphyxiated full-term infants.
Salma Aziz   +5 more
doaj   +1 more source

Severe theophylline poisoning treated with continuous venovenous hemodialysis in a child

open access: yesThe Turkish Journal of Pediatrics, 2016
Theophylline poisoning generally occurs due to acute high dose intake as well as chronic intake of the medication. Toxicity symptoms can be seen with a plasma concentration of theophylline over 20 μg/ml.
Ayhan Yaman   +7 more
doaj   +1 more source

Systematic Comparison and Rational Design of Theophylline Riboswitches for Effective Gene Repression

open access: yesMicrobiology Spectrum, 2023
Riboswitches are promising regulatory tools in synthetic biology. To date, 25 theophylline riboswitches have been developed for regulation of gene expression in bacteria. However, no one has systematically evaluated their regulatory effects.
Xun Wang   +7 more
doaj   +1 more source

Thiolated chitosan nanoparticles enhance anti-inflammatory effects of intranasally delivered theophylline

open access: yesRespiratory Research, 2006
Background Chitosan, a polymer derived from chitin, has been used for nasal drug delivery because of its biocompatibility, biodegradability and bioadhesiveness.
Mohapatra Shyam S   +3 more
doaj   +1 more source

Theophylline Enhances In Vitro Fertilization and Embryo Production in Buffaloes

open access: yesTropical Animal Science Journal, 2023
This study aimed to investigate the effect of theophylline on in vitro fertilization of buffalo oocytes and embryo development in subsequent in vitro embryo culture.
I. Akter   +5 more
doaj   +1 more source

Analysis of the impact of cryopreservation and theophylline on motility of sperm

open access: yesMiddle East Fertility Society Journal, 2018
Objective: Sperm parameters, particularly motility, decrease during cryopreservation. Theophylline generally enhances sperm motility. We analyzed effects of theophylline and freezing on sperm motility.Design: Experimental study.Setting: Private IVF lab ...
Elaheh Gorji   +3 more
doaj   +1 more source

The characteristics and costs of severe theophylline toxicity in a tertiary critical care unit in Eastern Cape Province, South Africa

open access: yesSouth African Medical Journal, 2022
Background. Severe theophylline toxicity requiring haemodialysis accounts for approximately one-third of drug toxicity cases admitted to the Livingstone Tertiary Hospital (LTH) intensive care unit (ICU) in Gqeberha, South Africa, imposing a significant ...
JV Oxley-Oxland   +3 more
doaj   +1 more source

Efficacy and safety profile of doxofylline compared to theophylline in asthma: a meta-analysis

open access: yesMultidisciplinary Respiratory Medicine, 2019
Background Oral methylxanthines are effective drugs for the treatment of chronic obstructive respiratory disorders. The novel methylxanthine doxofylline, that has bronchodilator and anti-inflammatory activities, is not affected by the major drawback of ...
Paola Rogliani   +4 more
doaj   +1 more source

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