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Showing 1 to 20 of 103 for “"USP"”.
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Hydrodynamic effects of a cannula in a USP dissolution testing apparatus 2
… development and quality control purposes. The USP Testing Apparatus 2 is the most common dissolution testing system for solid dosage forms. Usually, sampling cannulas are used to take samples manually from the dissolution medium. However, the inserted cannula can alter the normal fluid flow …
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Characterization of the physical properties and the bioavailability of phenobarbital tablets, USP, 100 mg
… of phenobarbital tablets has been suspect.</p><p>The incomplete data available on phenobarbital tablets indicated the necessity for determining the physical properties and the bioavailability of these products. Therefore, Phenobarbital Tablets, USP, 100 mg, were obtained from 7 …
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Key role and diversity of EcR/USP and other nuclear receptors in selected Arthropoda species
… regulating moulting and metamorphosis, EcR and USP, have been researched intensively. During evolution, gene duplication and gene loss events have created a broad diversity of these NRs between different groups in the animal kingdom. However, in 2008, at the time this PhD research started, the …
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Comparative analysis of the dissolution performance of aspirin tablets in the usp apparatus 2 and in a minivessel dissolution system
… test apparatus and techniques, such as the USP 2 (Paddle), to characterize the dissolution performance of oral drug delivery system is an established area of pharmaceutical science. However, this method is not always appropriate, particularly in dissolution tests that involves the use of …
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Improvement of Release Criteria for Immediate Release Solid Oral Dosage Forms
… of an investigation the statistical power of USP compendial release tests and recommended alternatives.</p><p> The U.S. drug supply chain, formerly protected by a closed distribution network, is now threatened by the legal and illegal importation of drug products. Whereas quality can never be …
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Micro- and nanostructured materials via ultrasonic spray pyrolysis
… scalable technique, ultrasonic spray pyrolysis (USP) is a powerful synthetic tool especially for application-based materials due to the scalability of this technique and the environmentally friendly nature of many of the common precursors and templating methods. More importantly, the structure …
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Molecular mechanisms of phenotypic plasticity: Explorations of DNA methylation and transcriptional regulation using the honey bee
… regulation by a nuclear receptor, Ultraspiracle (USP). Chapter 2 presents results that demonstrate that there is a functional CpG methylation system in honey bees, the first well-characterized functional DNA methylation system in insects. Catalytically active orthologs of vertebrate DNA …
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Nanostructured Materials Prepared With Ultrasound
USP has proven to be an excellent method to produce organic-inorganic hybrid materials. Nanoporous silica spheres incorporated with various organic dyes are synthesized by USP and utilized in colorimetric sensing arrays for the identification of aliphatic amines. Further usefulness of USP is …
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Microstructured materials synthesis via salt-assisted ultrasonic spray pyrolysis
… procedures. Ultrasonic spray pyrolysis (USP) is an industrially-scalable technique that has been shown to yield relatively monodisperse sub-micron particles in a continuous process using inexpensive and, often, environmentally-friendly precursors. The incorporation of an inert or reactive …
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Dissolution testing of prednisone and salicylic acid calibrator tablets at different tablet locations
… (e.g., tablets) to determine compliance. The USP Dissolution Testing Apparatus 2 is the most common of the apparatuses listed in the USP. However, it has been shown previously that the dissolution profile of a tablet undergoing dissolution in the USP Dissolution Apparatus 2 can be affected by …
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An Evaluation of Ultrasonic Shot Peening and Abrasive Flow Machining As Surface Finishing Processes for Selective Laser Melted 316L
… may prove too complex for effective processing. USP cannot achieve such low surface roughness, but it is a versatile process with multiple advantages. Exterior surfaces were consistently processed to 1.7 to 2.5 µm Ra. Interior surfaces experienced only partial processing and demonstrated high …
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Metal oxide sorbents for carbon dioxide capture prepared by ultrasonic spray pyrolysis
… synthesized by ultrasonic spray pyrolysis (USP) are presented. It is shown that the morphology of USP-synthesized CaO sorbents can be easily controlled but that there is little difference between each sorbent in cyclic carbonation/calcination stability. Sorbents synthesized via USP, however, …
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Dissolution of disintegrating solid dosage forms in a modified dissolution testing apparatus 2
… quality. The United States Pharmacopoeia (USP) Dissolution Testing Apparatus 2 is the device most commonly used for this purpose. Despite its widespread use, dissolution testing using this apparatus remains susceptible to significant error and test failures. There is documented evidence …
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Hydrodynamics, dissolution, and mass transfer effects in different dissolution testing apparatuses and laboratory systems
… years have some of these systems, such as the USP dissolution testing Apparatus 2, been studied in greater detail by a few research groups, including our group at NJIT. Meanwhile, a number of modifications have been introduced in industry to simplify the practical use of these devices and to …
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Experimental determination of the agitation requirements for solids suspension in dissolution systems using a mini paddle apparatus
… industry. The United State Pharmacopeia (USP) Dissolution Testing Apparatus 2 (paddle) is the most widely used dissolution test devices in the pharmaceutical industry to formulate solid drug dosage forms and to develop quality control specifications for its manufacturing process. Mini …
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The effectiveness of Urban Green Infrastructure for urban heat regulation.
… the effectiveness of urban surface parameters - USP (Chapter 3), identifying the effectiveness of combined USP to maximise the cooling potential and operationalisability in real-world cities (Chapter 4) and assessing whether the spatial configuration of UGI matters in mitigating excess urban heat …
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The effectiveness of Urban Green Infrastructure for urban heat regulation.
… the effectiveness of urban surface parameters - USP (Chapter 3), identifying the effectiveness of combined USP to maximise the cooling potential and operationalisability in real-world cities (Chapter 4) and assessing whether the spatial configuration of UGI matters in mitigating excess urban heat …
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Silicone microspheres and disposable separation technology for gaseous analytes
… spheres prepared via ultrasonic spray pyrolysis (USP). Silicones are found in an amazing number of commercial products including cosmetics, sealants, adhesives, lubricants, medical devices, and even food. Despite the prevalence of bulk silicones in today’s society, the synthesis of silicone …
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Ultrasound-assisted synthesis and processing of carbon materials
… porosity of carbons. Ultrasonic spray pyrolysis (USP) is an aerosol method suitable for large-scale, continuous synthesis of materials. Ultrasound is used to create aerosol droplets of a precursor solution which serve as micron-sized spherical reactors for materials synthesis. This work presents a …
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