Articles by Ruey-ching (Richard) Hwang, PhD - Pharmaceutical Technology

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Articles by Ruey-ching (Richard) Hwang, PhD

Preformulation in Theory and Practice

An ambitious survey of characterization techniques presents current information.
Jun 2, 2008

An ambitious survey of characterization techniques presents current information.

Trends and Innovations in Continuous Coating

Jan 25, 2008

The technique of continuous coating has undergone great change since it was introduced to the pharmaceutical industry more than a decade ago, and its benefits have multiplied.

Design of Experiments for Formulation Development

The authors discuss the main technical challenges in formulation development and illustrate ways to use the design of experiments to develop formulations.
Dec 1, 2005

All pharmaceutical products are formulated to specific dosage forms for drugs to be effectively delivered to patients. Typical pharmaceutical dosage forms include oral tablets, capsules, solutions, suspensions, topical ointments, gels, and solutions, and injections for intravenous (IV), intramuscular (IM), or subcutaneous (SC) administration. In addition, various drug delivery systems have been developed for transdermal, intranasal, and pulmonary deliveries. Different dosage forms require different pharmaceutical technologies and usually present different technical challenges for formulation development.

A Systematic Evaluation of the Compression and Tablet Characteristics of Various Types of Lactose and Dibasic Calcium Phosphate

Jun 2, 2001

Using formulations containing various types of lactose and dibasic calcium phosphate, the authors investigated the effects of lubricant level, lubrication time, and compression speed on tablet weight, hardness, and friability.

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