Antidepressants are a class of medications primarily used to treat depressive disorders, including major depressive disorder, dysthymia, and bipolar disorder. They influence the balance of certain neurotransmitters in the brain, particularly serotonin, norepinephrine, and, in some cases, dopamine. These neurotransmitters regulate mood, emotions, and overall mental well-being. Antidepressants can be …
Flocculated and Deflocculated suspension & stability problems and methods to overcome
Flocculated and deflocculated suspensions refer to two different states based on the arrangement and behavior of solid particles within a liquid medium. 1. Flocculated Suspension Definition: In flocculated suspensions, particles are loosely aggregated, forming flocs or clusters. These clusters are held together by weak physical forces such as van der …
Preparation of suspension
The preparation of suspensions involves dispersing solid particles in a liquid medium to form a heterogeneous mixture. The process can vary depending on the characteristics of the materials involved and the intended use of the suspension. Here’s a general overview of the preparation of pharmaceutical suspensions: Ingredients 1. Active Pharmaceutical …
Classification of suspension
Suspensions can be classified based on various criteria, including the nature of the dispersed phase, the dispersion medium, and the intended use. Here are some common classifications of suspensions: 1. Based on Particle Size Coarse Suspensions: These suspensions contain relatively large particles that are visible to the naked eye. They …
Biphasic liquids – Suspension, Advantages, Disadvantages
Biphasic liquids refer to a system consisting of two immiscible liquid phases, typically one liquid dispersed in the form of droplets within the other. In such systems, the two liquids do not dissolve or mix uniformly but instead form distinct phases with separate physical and chemical properties.Various types of systems …
Iodine as Antimicrobial and Its Preparations
Iodine is a chemical element with antiseptic properties, making it effective against various microorganisms. It has been used for its antimicrobial benefits in different forms for medical and industrial applications. Antimicrobial Properties 1. Bactericidal: Iodine is effective against various bacteria, including grampositive and gramnegative species. 2. Virucidal: It has antiviral …
Assay of Chlorinated lime
Assaying chlorinated lime involves determining the available chlorine content in the sample. Chlorinated lime, or calcium hypochlorite Ca (OCl)â‚‚, is a chemical compound commonly used disinfectant and bleaching agent. The assay is crucial to ensure the product’s quality and effectiveness for its intended applications. One common method for the assay …
Hydrogen peroxide – Assay, Uses, Mechanism
Hydrogen peroxide is a chemical compound with the molecular formula Hâ‚‚Oâ‚‚. It is a pale blue liquid that appears colorless in a dilute solution, and it is commonly used as a powerful oxidizer, antiseptic, and bleaching agent. Hydrogen peroxide has applications in various industries, including healthcare, household cleaning, and industrial …
Boric Acid as an Antimicrobial
Boric acid (H₃BO₃) exhibits antimicrobial properties and serves multiple applications, including its use as an antiseptic and antifungal agent, inhibiting the growth of bacteria, fungi, and certain parasites. Mechanism of Action 1. Disruption of Cell Membrane: Boric acid can disrupt the microorganisms’ cell membrane, leading to cellular component leakage and, …