Pharmaceutics

Formulation of Flocculated and Deflocculated Suspensions

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Formulation of Flocculated and Deflocculated Suspensions Suspensions, as heterogeneous systems comprising dispersed solids in liquid media, are widely used in pharmaceutical formulations. To enhance stability and control sedimentation, suspensions are often formulated to be either flocculated or deflocculated. Flocculated suspensions exhibit loose aggregates of particles, while deflocculated suspensions have individual, dispersed particles. This article will … Read more

Pharmacy Practice MCQ- Determination of Viscosity

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Pharmacy Practice MCQ, in this article we will solve, Practice MCQ under subject physical pharmaceutics II. Read following article for your reference.   Determination Of Viscosity: Capillary, Falling Sphere And Rotational Viscometers » PHARMACAREERS   What is viscosity? a) The measure of a fluid’s resistance to flow b) The measure of a fluid’s density c) The measure of … Read more

Coarse Dispersion: Suspensions, Interfacial Properties, and Settling in Suspensions

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Coarse Dispersion: Suspensions, Interfacial Properties, and Settling in Suspensions Coarse dispersions, characterized by their relatively large particle size (typically greater than 1 micrometer), play a pivotal role in various pharmaceutical formulations. They encompass a wide range of systems, including suspensions, emulsions, and pastes. Understanding the fundamental principles governing coarse dispersions is essential for formulating effective … Read more

Pharmacy Practice MCQ- Non-Newtonian Systems

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Pharmacy Practice MCQ, in this article we will solve, Practice MCQ under subject physical pharmaceutics II. Read following article for your reference.   Non-Newtonian Systems, Pseudoplastic, Dilatant, Plastic, Thixotropy, Thixotropy In Formulation What is a non-Newtonian fluid? a) A fluid that follows Newton’s law of viscosity b) A fluid whose viscosity is independent of shear rate c) A … Read more

Deformation of solids: Plastic and elastic deformation, Heckel equation, Stress, Strain, Elastic Modulus

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Deformation of solids: Plastic and elastic deformation, Heckel equation, Stress, Strain, Elastic Modulus Deformation, the change in shape or size of a solid material under the influence of an applied force, is a fundamental concept in pharmaceutical engineering. Understanding the different types of deformation, their underlying mechanisms, and the factors that influence them is crucial … Read more

Pharmacy Practice MCQ- Rheology

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Pharmacy Practice MCQ, in this article we will solve, Practice MCQ under subject physical pharmaceutics II. Read following article for your reference.   Rheology: Newtonian Systems, Law Of Flow, Kinematic Viscosity, Effect Of Temperature » PHARMACAREERS   What is rheology? a) The study of the flow and deformation of matter b) The study of chemical reactions c) The … Read more

Determination Of Viscosity: Capillary, Falling Sphere and Rotational Viscometers

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Determination Of Viscosity: Capillary, Falling Sphere and Rotational Viscometers Viscosity, a measure of a fluid’s resistance to flow, is a critical parameter in pharmaceutical engineering. Accurate determination of viscosity is essential for optimizing product performance, ensuring proper delivery, and maintaining stability. This article will delve into various methods used to measure viscosity in pharmaceutical engineering, … Read more

Pharmacy Practice MCQ- Properties of Colloidal Dispersions

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Pharmacy Practice MCQ, in this article we will solve, Practice MCQ under subject physical pharmaceutics II. Read following article for your reference.   Optical, Kinetic & Electrical Properties Of Colloidal Dispersion And Effect Of Electrolytes » PHARMACAREERS   What is the Tyndall effect? a) The scattering of light by colloidal particles b) The absorption of light by colloidal … Read more

Non-Newtonian Systems, Pseudoplastic, Dilatant, Plastic, Thixotropy, Thixotropy In Formulation

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Non-Newtonian Systems, Pseudoplastic, Dilatant, Plastic, Thixotropy, Thixotropy In Formulation Rheology, the study of the flow and deformation of matter, is a fundamental aspect of pharmaceutical engineering. While Newtonian systems exhibit a linear relationship between shear stress and shear rate, many pharmaceutical formulations exhibit non-Newtonian behavior. Understanding non-Newtonian systems, including pseudoplastic, dilatant, plastic, and thixotropic properties, … Read more

Pharmacy Practice MCQ- Colloids

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Pharmacy Practice MCQ, in this article we will solve, Practice MCQ under subject physical pharmaceutics II. Read following article for your reference.   Classification Of Colloids & Comparative Account Of Their General Properties » PHARMACAREERS   What is a colloid? a) A homogeneous mixture of two substances b) A heterogeneous mixture with particles between 1 and 1000 nm … Read more