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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3407637/
Jul 17, 2012 · Rose-Nelson pump was further simplified in the form of elementary osmotic pump [20, 52], which made osmotic delivery as a major method of achieving controlled drug release. Elementary osmotic pump shown in Figure 7 was invented by Theeuwes in 1974 and it essentially contains an active agent having a suitable osmotic pressure; it is fabricated ...Author: Rajesh A. Keraliya, Chirag Patel, Pranav Patel, Vipul Keraliya, Tejal G. Soni, Rajnikant C. Patel, M...
https://www.sciencedirect.com/science/article/pii/S0022354915405660
Research Articles Elementary Osmotic Pump Felix Theeuwes, Alza Research, Palo Alto, CA 94303 Alza Research Palo Alto CA 94303 Abstract The elementary osmotic pump is a new delivery system for drugs or other active agents; it delivers the agent by an osmotic process at a controlled rate.Author: Felix Theeuwes
https://www.sciencedirect.com/science/article/abs/pii/S0022354915405660
The elementary osmotic pump is a new delivery system for drugs or other active agents; it delivers the agent by an osmotic process at a controlled rate. Control resides in the: (a) water permeation characteristics of a semipermeable membrane surrounding the formulated agent, and (b) osmotic properties of the formulation. In its simplest ...Author: Felix Theeuwes
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3225518/
Thus, in our current studies, we have developed a floating elementary osmotic pump tablet (FEOPT) of DEC using the principle of elementary osmotic pump by incorporating hydrophilic polymers in the core compartment. Floating osmotic drug delivery systems draw water from the surrounding fluid on coming in contact with the gastric environment.Author: Zulfequar Ahamad Khan, Rahul Tripathi, Brahmeshwar Mishra
https://ijpras.com/storage/models/article/wcvDGp04NwBZ0OAlbaOx6WMrNeVmOqHtaYpRUPO20bxvtjblJuXPWL5QqwxE/osmotic-drug-delivery-system-an-overview.pdf
1.3.1.1. Elementary Osmotic Pump The osmotic agent in the non-drug layer In 1974 Theuwes invented elementary osmotic pump. The elementary osmotic pump is a new delivery system for drugs which delivers the drug by an osmotic process at a controlled rate. Control resides in the: a) Water permeationFile Size: 131KB
https://journal.pda.org/content/68/4/333
Jul 01, 2014 · Elementary osmotic pump tablets containing an inclusion complex of Flurbiprofen was prepared by the direct compression method. The amount of osmotic agent and size of delivery orifice were selected as independent variables. Percent cumulative drug release at 9 h was evaluated for all batches, and it was found that amount of osmotic agent and ...Author: Kunal N. Patel, Tejal A. Mehta
https://wjpr.net/admin/assets/article_issue/1425551899.pdf
Osmotic drug delivery system is one among the controlled drug delivery employed orally and also as an implantable devices. These systems utilize osmosis as the major driving force for drug release. Various patents available for osmotic drug delivery system like Rose-Nelson pump, Higuchi leeper pump, Higuchi Theeuwes pump, Elementary Osmotic
https://www.slideshare.net/shreeraj9183/osmotic-drug-delivery-system-44306707
Feb 05, 2015 · INTRODUCTION Osmotic drug delivery uses the osmotic pressure of drug or other solutes (osmogens or osmagents) for controlled delivery of drugs. Osmotic drug delivery has come a long way since Australian physiologists Rose and Nelson developed an implantable pump in 1955. 5.
http://ijpsr.com/bft-article/a-review-on-osmotic-pump-drug-delivery-system/?view=fulltext
A REVIEW ON OSMOTIC PUMP DRUG DELIVERY SYSTEM HTML Full Text. A REVIEW ON OSMOTIC PUMP DRUG DELIVERY SYSTEM. M. Mathur * and R. Mishra. Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Sarkhej-Gandhinagar Highway, Ahmadabad- 382 481, Gujarat, India
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