Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Self-assembling Nano-fiber Gel Delivers High Concentrations of Clinically Approved Drugs

23.10.2008
Scientists have developed a new self-assembling hydrogel drug delivery system that is biocompatible, efficient at drug release, and easy to tailor. Importantly, these structures can deliver clinically approved drugs in high concentrations without requiring carriers for the drug or generating toxic components, a problem with hydrogel systems until now.

Two teams of scientists from Harvard-MIT Division of Health Science and Technology at Brigham and Women’s Hospital have developed a new self-assembling hydrogel drug delivery system that is biocompatible, efficient at drug release, and easy to tailor.

Importantly, these structures can deliver clinically approved drugs in high concentrations without requiring carriers for the drug or generating toxic components, a problem with hydrogel systems until now.

The findings, which are now available on Science Direct, will be published in the Nov. 25 issue of Biomaterials.

“This strategy could serve as the platform technology for developing drug-based delivery carriers that can release drugs such as anti-inflammatory agents on demand in response to inflammation, for example,” says Jeffery Karp, MD, instructor of medicine at the HST Center for Biomedical Engineering at the Brigham and Women’s Hospital and a co-corresponding author on this manuscript.

“Converting known, clinically-practicing drugs into amphiphilic molecules which can undergo self-assembly is the key development in our present research; this may eliminate the need for an external carrier for delivering drugs,” says Praveen Kumar Vemula, PhD, research fellow in medicine at Brigham and Women’s Hospital.

“Enzyme triggered gel degradation has been our key strength, which played a major role in developing these delivery vehicles from drugs-based hydrogels,” says another leading investigator Dr. George John who is associate professor at City College of New York. Gregory Cruikshank, another author of the article is at present working in Albert Einstein College of Medicine of Yeshiva University.

This work was supported (in part) by a grant from the City University of New York PSC-CUNY research award program. Brenntag North American provided enzyme samples.

The Harvard-MIT Division of Health Sciences and Technology (HST) brings together the Massachusetts Institute of Technology (MIT), Harvard Medical School (HMS), Harvard University, the Boston area teaching hospitals and an assortment of research centers in a unique collaboration that integrates science, medicine and engineering to solve problems in human health.

Laurie Pass | Newswise Science News
Further information:
http://www.mit.edu

Further reports about: Gel Hydrogel Nano-fiber Nano-fiber Gel deliver delivery drugs enzyme samples hydrogel systems

More articles from Life Sciences:

nachricht Closing in on advanced prostate cancer
13.12.2017 | Institute for Research in Biomedicine (IRB Barcelona)

nachricht Visualizing single molecules in whole cells with a new spin
13.12.2017 | Wyss Institute for Biologically Inspired Engineering at Harvard

All articles from Life Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Long-lived storage of a photonic qubit for worldwide teleportation

MPQ scientists achieve long storage times for photonic quantum bits which break the lower bound for direct teleportation in a global quantum network.

Concerning the development of quantum memories for the realization of global quantum networks, scientists of the Quantum Dynamics Division led by Professor...

Im Focus: Electromagnetic water cloak eliminates drag and wake

Detailed calculations show water cloaks are feasible with today's technology

Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object's wake, greatly reducing its drag while...

Im Focus: Scientists channel graphene to understand filtration and ion transport into cells

Tiny pores at a cell's entryway act as miniature bouncers, letting in some electrically charged atoms--ions--but blocking others. Operating as exquisitely sensitive filters, these "ion channels" play a critical role in biological functions such as muscle contraction and the firing of brain cells.

To rapidly transport the right ions through the cell membrane, the tiny channels rely on a complex interplay between the ions and surrounding molecules,...

Im Focus: Towards data storage at the single molecule level

The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.

Over the past few years, the building blocks of storage media have gotten ever smaller. But further miniaturization of the current technology is hindered by...

Im Focus: Successful Mechanical Testing of Nanowires

With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong

Light-weight and simultaneously strong – porous metallic nanomaterials promise interesting applications as, for instance, for future aeroplanes with enhanced...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

See, understand and experience the work of the future

11.12.2017 | Event News

Innovative strategies to tackle parasitic worms

08.12.2017 | Event News

AKL’18: The opportunities and challenges of digitalization in the laser industry

07.12.2017 | Event News

 
Latest News

A whole-body approach to understanding chemosensory cells

13.12.2017 | Health and Medicine

Water without windows: Capturing water vapor inside an electron microscope

13.12.2017 | Physics and Astronomy

Cellular Self-Digestion Process Triggers Autoimmune Disease

13.12.2017 | Life Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>