Results 11 to 20 of about 11,632,967 (345)

Experimental analysis on dissolution characteristics of carbonate rocks in Liaoshan tunnel of Emei−Hanyuan expressway in Sichuan Province

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao, 2021
The Liaoshan tunnel is one of the controlling projects of the E-han expressway, the karst geological conditions in the tunnel site area are complex. In order to deeply study the characteristics of carbonate dissolution in the field, this paper takes the ...
Huaming LI   +4 more
doaj   +1 more source

Pharmaceutical cocrystal and their role in improving solid state properties of active pharmaceutical ingredients

open access: yesAl-Mustansiriyah Journal of Pharmaceutical Sciences, 2023
Cocrystallization is an emerging approach for improving physico-chemical characteristics of an active pharmaceutical ingredient (API) for instance dissolution rate, solubility, stability in addition to mechanical properties without affecting their ...
Ameera A Radhi   +3 more
doaj   +1 more source

Enhance dissolution rate and solubility of solid drugs through pharmaceutical deep eutectic solvents

open access: yesZanco Journal of Pure and Applied Sciences, 2021
Pharmaceutical active ingredients are usually sold in the markets in the form of solid drugs. These drugs are often associated with some problems like polymorphism, bioavailability and low solubility.
Idrees Bakr Qader
doaj   +1 more source

Small-scale dissolution test screening tool to select potentially substandard and falsified (SF) medicines requiring full pharmacopoeial analysis

open access: yesScientific Reports, 2021
The purpose of this study was to design a convenient, small-scale dissolution test for extracting potential substandard and falsified (SF) medicines that require full pharmacopoeial analysis. The probability of metronidazole samples complying with the US
Mohammad Sofiqur Rahman   +5 more
doaj   +1 more source

The Dissolution Rate of CaCO3 in the Ocean.

open access: yesAnnual Review of Marine Science, 2020
The dissolution of CaCO3 minerals in the ocean is a fundamental part of the marine alkalinity and carbon cycles. While there have been decades of work aimed at deriving the relationship between dissolution rate and mineral saturation state (a so-called ...
J. Adkins   +4 more
semanticscholar   +1 more source

DEVELOPMENT OF NITROFURAN DERIVATIVE: COMPOSITION AND TECHNOLOGY OF EFFERVESCENT TABLETS WITH SOLID DISPERSIONS

open access: yesФармация и фармакология (Пятигорск), 2022
Taking into account the current Product specification file, the aim of the work was to develop the composition and technology for obtaining effervescent tablets based on solid dispersions of furazolidone in the form of an aqueous solution for external ...
A. O. Elagina   +10 more
doaj   +1 more source

Preparation and characterization of fenofibrate-loaded zeolitic imidazolate frameworks and their evaluation in dissolution enhancement of the formulation [PDF]

open access: yesشیمی کاربردی روز, 2021
The purpose of this study was to develop zeolitic imidazolate frameworks (ZIFs) incorporated with poorly water-soluble drug fenofibrate (FEN), belonging to Biopharmaceutical Classification System (BCS) class II, to improve drug dissolution, intended to ...
Aziz maleki   +5 more
doaj   +1 more source

Preparation and Characterization of Instant Casein Phosphopeptide by Supercritical Fluid Assisted Atomization

open access: yesFoods, 2021
Casein phosphopeptide (CPP) has been widely used as micronutrient supplementation for certain populations. However, its solubility performance is far from satisfying.
Jian Zhu   +5 more
doaj   +1 more source

Investigation of Dissolution Mechanism and Release Kinetics of Poorly Water-Soluble Tadalafil from Amorphous Solid Dispersions Prepared by Various Methods

open access: yesPharmaceutics, 2019
The aims of this study were to investigate how the release of tadalafil is influenced by two grades of polyvinylpyrrolidone (Kollidon® 12 PF and Kollidon® VA 64) and various methods of preparing solid dispersions (solvent evaporation, spray ...
Tereza Školáková   +5 more
doaj   +1 more source

Compositional controls on melting and dissolving a salt into a ternary melt [PDF]

open access: yes, 2007
We explore theoretically the controls on dissolution of salt A, in an undersaturated brine of salts A and B. We show that, as the concentration of B increases, the dissolution rate of A decreases, for brine of given temperature.
Hatton, DC, Woods, AW
core   +2 more sources

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