Madeeha Asif

Madeeha Asif
Bahria University | BU · Department of Computer

Master of Science

About

15
Publications
14,137
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790
Citations
Citations since 2017
0 Research Items
203 Citations
20172018201920202021202220230102030
20172018201920202021202220230102030
20172018201920202021202220230102030
20172018201920202021202220230102030
Introduction
Skills and Expertise
Education
September 2018 - July 2022
International Islamic University, Islamabad
Field of study
  • Software Engineering

Publications

Publications (15)
Article
A floating type dosage form, gel beads of metformin hydrochloride was prepared by emulsification gelation technique. The gel bead was formed by mixing the polymer in water, oil phase and it was extruded in the calcium chloride solution as curing agent. The formulation parameters optimized were polymer ratio, concentration of oil, curing time on dru...
Article
Full-text available
The main objective of this study was to prepare and evaluate PSA-PEG nanoparticles containing paclitaxel as a model drug by nanoprecipitation method. The influence of different experimental parameters on the particles size, entrapment efficiency, percent drug released etc was evaluated. SEM indicated that nanoparticles have discrete spherical struc...
Article
Full-text available
The goal of delivery system is to get optimal therapeutic management. But, it still remains a challenge in the field of pharmaceuticals for delivery of ionic species and some non ionic. Several transdermal approaches have been used and recently there has been a great attention in using iontophoretic technique for the transdermal drug delivery of me...
Article
Full-text available
In 1995, Amidon and coworkers introduced the biopharmaceutical classification system (BCS) to reduce the need for in vivo bioequivalency studies, utilization of in vitro dissolution tests as a surrogate for in vivo bioequivalence studies. The principles of the BCS classification system can be applied to NDA and ANDA approvals as well as to scaleup...
Article
Full-text available
Sustained release gastroretentive drug delivery systems (SRGRDDS) enable prolonged & continuous input of the drug to the upper parts of the gastrointestinal tract (G.I.T) and improve the bioavailability of medications that are characterized by narrow therapeutics window. The aim of this project was to develop one daily SR floating matrix tablet for...
Article
Full-text available
The solubility of platinum and palladium in a silicate melt of the composition Di 55 An 35 Ab 10 was determined at 1200°C and 2 kbar pressure in the presence of H2O-H2 fluid at an oxygen fugacity ranging from the HM to WI buffer equilibria. The influence of sulfur on the solubility of platinum in fluid-bearing silicate melt was investigated at a su...
Article
The Ni, Cu, platinum-group element (PGE), and Au contents of massive sulfide mineralization, leopard-textured mineralization, sulfides in basal breccia sequence, and sulfides in varied troctolite from four mineralized environments (the Reid Brook zone, the Discovery Hill zone, the Ovoid and Mini-Ovoid, and the Eastern Deeps) at Voisey's Bay have be...
Article
The composition of any sample of a magmatic sulfide ore depends on the composition of the silicate magma from which the sulfide segregated, the appropriate sulfide liquid-silicate magma partition coefficients, the 'R' or 'N' factor operating during the interaction of the sulfide and silicate host, the subsequent fractionation of the resulting sulfi...
Article
Study of the compositional variation in ores at Noril'sk and Sudbury indicates that Ni increases initially and then decreases with increasing Cu. Pt, Pd and Au increase with increasing Cu, while Rh, Ru, Ir and Os decrease until the Cu content of the liquid reaches 30-35 wt.%, at which stage they start to increase. Experimental data on tie-line rela...
Article
Full-text available
The study of the distribution of PCE, Au, Ni, Cu, Co, and S in the Proterozoic NiquelAndia mafic-ultramafic layered intru- sion (Brazil), 65 km long and 35 km wide, shows the existence of two distinct stratigraphic zones of contrasting PGE content. The Ultramafic Unit and the lowermost part of the Central Mafic Unit have relatively high PGE content...
Article
Full-text available
Experiments have been conducted on the partitioning of noble metals in the presence of an H-O-C-S fluid in a high pressure gas apparatus at 1200-1300°C and 1-4 kbar fluid pressure. The fugacities of oxygen and sulfur, and the chemical species in the fluid phase, were controlled by the presence of graphite and of a sulfide melt of pyrrhotite composi...
Article
In this study Cu, Ni, and platinum-group elements (PGE) were determined in a sequence of basaltic and picritic lavas from the Siberian Trap in the Noril'sk area of Russia to constrain genetic relationships between the basalts and the petrogenesis of Ni-Cu-PGE sulfide deposits associated with the Talnakh and Noril'sk intrusions.In the most primitive...

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