Navigation Links
Using living cells as an 'invisibility cloak'
Date:6/15/2011

The quest for better ways of encapsulating medicine so that it can reach diseased parts of the body has led scientists to harness for the first time living human cells to produce natural capsules with channels for releasing drugs and diagnostic agents. The report appears in ACS' journal Nano Letters.

In the report, Dayang Wang and colleagues explain that the human body is very efficient at getting rid of foreign substances. Some foreign substances, such as viruses, are harmful and should be removed. But the body also considers drugs and nanoparticles meant to treat diseases and allow physicians to see cells and organs to be foreign objects, and they are also quickly removed. To help these substances stay in the body longer, scientists have tried to fool it by encapsulating these substances in coatings that more closely resemble natural cells. Over the years, researchers have tested many different artificial coatings, but they failed to stay in the body for very long. So, Wang and colleagues set out to make a better capsule by using living cells as an "invisibility cloak".

Because the group's so-called "cell membrane capsules" (CMCs) were made from real living cells, they tricked the body into thinking they were supposed to be there. Thus, drugs and nanoparticles inside CMCs stayed in the body much longer than those inside other encapsulation materials. "Hence the CMCs provide the first intrinsically biocompatible and functional drug delivery and release vehicles," say the researchers.


'/>"/>

Contact: Michael Bernstein
m_bernstein@acs.org
202-872-6042
American Chemical Society
Source:Eurekalert

Page: 1

Related biology news :

1. Using recycled cardboard in food packaging risks contaminating food with mineral oils
2. Using magnets to help prevent heart attacks
3. USC researchers discover genetic mutation causing excessive hair growth
4. Sardines and horse mackerel identified using forensic techniques
5. Zebrafish regrow fins using multiple cell types, not identical stem cells
6. Study finds therapies using induced pluripotent stem cells could encounter immune rejection problems
7. Seals sense shapes using their whiskers to feel wakes
8. Scientists can track origin of shark fins using zip codes in their DNA
9. Researchers create functioning synapse using carbon nanotubes
10. Jefferson researchers unlock key to personalized cancer medicine using tumor metabolism
11. Invasive mussels causing massive ecological changes in Great Lakes
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/21/2016)... WAKEFIELD, Massachusetts , March 22, 2016 ... and facial recognition with passcodes for superior security ... MESG ), a leading provider of secure digital communications ... pilot their biometric technology and offer enterprise customers, particularly ... provide secure facial recognition and voice authentication within a ...
(Date:3/15/2016)... Yissum Research Development Company of the Hebrew University ... University, announced today the formation of Neteera Technologies ... biological indicators. Neteera Technologies has completed its first round ... Neteera,s ... from sweat ducts, enables reliable and speedy biometric identification, ...
(Date:3/11/2016)... , March 11, 2016 ... new market research report "Image Recognition Market by Technology ... (Marketing and Advertising), by Deployment Type (On-Premises and Cloud), ... To 2022", published by MarketsandMarkets, the global market is ... to USD 29.98 Billion by 2020, at a CAGR ...
Breaking Biology News(10 mins):
(Date:4/28/2016)... , April 28, 2016 ... reports the Company,s CEO  was featured in an ... Enter When VCs Fear To Tread: http://www.lifescienceleader.com/doc/accelerators-enter-when-vcs-fear-to-tread-0001 ... magazine is an essential business journal ... from emerging biotechs to Big Pharmas. Their content ...
(Date:4/27/2016)... (PRWEB) , ... April 27, 2016 , ... Cambridge ... by semantic web technology, today announced that it has been named to The Silicon ... sciences, financial services and other markets, Cambridge Semantics serves the needs of end users ...
(Date:4/27/2016)... RESEARCH TRIANGLE PARK, N.C. , April 27, 2016 ... announced today that Martine Rothblatt , Ph.D., Chairman ... an overview and update on the company,s business at ... Conference. The presentation will take place on ... and can be accessed via a live webcast on ...
(Date:4/27/2016)... ... April 27, 2016 , ... Global Stem Cells Group ... Ross is the founder of GSCG affiliate Kimera Labs in Miami. , In 2004, ... hematopoietic stem cell transplantation for hematologic disorders and the suppression of graft vs. host ...
Breaking Biology Technology: