نتایج جستجو برای: modified release

تعداد نتایج: 458567  

The objective of this study was to formulate and evaluate the drug-polymer interaction of mefenamic acid (MA) using two polymers with different characteristics as ethylcellulose (EC) and/or cellulose acetate phthalate (CAP). Microspheres were prepared by the modified emulsion solvent evaporation (MESE). The effect of drug-polymer interaction was studied for each of microspheres. Important param...

حسن زاده, فرشید, رستمی, محبوبه, صادقی, حسین, نیکبخت کشکولی, حافظ, ورشوساز, ژاله,

Background and purpose: Boron Neutron Capture Therapy (BNCT) is a promising radiotherapy based on the accumulation of Boron into the tumor and subsequent irradiation with low energy neutrons. It leads to the decay of 10B to 7Li and α particle, causing the death of the neoplastic cells.  Here we report some chitosan modified nanoparticles bearing boron phenyl alanine (BPA) as an inexp...

2013
Andreas O Doesch Susanne Mueller Ceylan Akyol Christian Erbel Lutz Frankenstein Arjang Ruhparwar Philipp Ehlermann Thomas J Dengler Hugo A Katus

BACKGROUND Modified-release tacrolimus (TAC) is a new, once-daily oral formulation of the established immunosuppressive agent TAC. This study evaluated long-term patient adherence, as well as safety and efficacy, in stable patients after heart transplantation (HTx) who switched from a conventional twice daily calcineurin inhibitor-based regimen (TAC or cyclosporine A [CsA]) to a once-daily modi...

Journal: :International journal of pharmaceutics 2014
Mohammed H Mahdi Barbara R Conway Alan M Smith

Oral liquids are often preferred for drug administration to patients for whom swallowing is difficult, however, formulating modified release versions can be challenging. A potential route to achieve modified release in oral liquids is by using fluid (sheared) gels formed by introducing a shear field during gelation in gel-forming biopolymers. These fluid gels can act as pourable viscoelastic fl...

Journal: :Sensors & diagnostics 2022

Matrix metalloproteases (MMP) sensing in wound fluids using 1-pyrene pyridyl disulphide modified GFETs a catch-release approach is discussed.

Human serum albumin nanoparticles (HSA-NPs) were synthesized using the modified desolvation method. Fourier transform infrared spectroscopy (FT-IR), electronic absorption spectroscopy (UV-Vis), Zeta Sizer as well as field emission scanning electron microscope (FE-SEM) of the sample confirmed the formation of HSA NPs with an average size of 68 nm. The obtained results shown that HSA-NPs was succ...

2013
Judy J. Kim

This Note analyzes current international regulations for the deliberate release of genetically modified organisms into the environment. Part I describes the benefits and risks associated with the introduction of GMOs into the environment and presents an overview of deliberate release regulations in various countries to show the range of standards in individual nations. Part II analyzes internat...

2013
Bhargava Ankit Rathore

The oral route of drug delivery is typically considered the preferred and most patient-convenient means of drug administration. The advances in the formulation technology of modified release dosage form with sustained release oral dosage form has been widely accepted approach as compared to conventional immediate release formulations of the same drug, over which it provides a prolong release of...

Journal: :International journal of pharmaceutics 2006
Ben J Boyd Darryl V Whittaker Shui-Mei Khoo Greg Davey

A new class of surfactants with glycerate headgroups, that form viscous lyotropic liquid crystalline phases in excess water, have been investigated for their potential to provide sustained release matrices for depot drug delivery. Oleyl glycerate and phytanyl glycerate were used as representative surfactants of this new class, and their behaviour compared with that of glyceryl monooleate (GMO)....

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