HOME >> MEDICINE >> NEWS
Sealing corneal incisions with a drop of chemistry, BU researchers develop gel for cataract surgery

(Boston) -- By introducing just the right biocompatible molecules to one another, a research team led by Mark Grinstaff, an associate professor of biomedical engineering and of chemistry at Boston University, has produced an elastic, transparent gel that sets so fast and adheres so surely to the eye's surface that it could soon become the first and best choice for sealing corneal incisions.

The substance, known as a hydrogel, promises to be a useful tool in the kit used for the most common of ophthalmic surgeries: cataract removal. Currently, 11 million such surgeries are performed worldwide annually, a figure expected to increase as the world's population grows older.

The team's findings will appear in the October 13 issue of the Journal of the American Chemical Society.

A cataract is a clouding of the eye's lens, a condition that obscures vision by gradually blocking the light that enters the eye. To remove a clouded lens, a surgeon makes a small incision in the conjunctiva, the margin between white area (tunica) and the clear area (cornea) of the outer eye. Through this tiny opening, the surgeon works to break up the lens, often by using high-frequency sound waves; extracts the destroyed lens; then implants a synthetic lens. Currently, the procedure finishes with the surgeon following one of two accepted paths: allowing the incision to seal itself or stitching the incision shut using nylon sutures.

Each closing method has its drawbacks. Self-sealing, in which the open wound closes gradually over time, carries the risk of infection as well as leakage of intraocular fluid. Suturing likewise can carry the risk of infection and inflammation, as well as the abnormal development of blood vessels, a condition known as vascularization.

To potentially stave off these post-operative complications, Grinstaff's team decided to build a biological bandage using versatile materials known as dendritic macromolecules. Ca
'"/>

Contact: Ann Marie Menting
amenting@bu.edu
617-358-1240
Boston University
12-Oct-2004


Page: 1 2 3

Related medicine news :

1. 7-month-old is youngest recipient of artificial corneal transplant
2. A&E departments could help resolve the national shortage of corneal donors
3. Wolfgang Glasser receives ACS award for wood chemistry, bio-based composites research
4. Indiana University researchers closer to helping hearing-impaired using stem cells
5. Protein that helps skin cancer spread identified by Stanford researchers
6. US life expectancy about to decline, researchers say
7. Gene for age-related macular degeneration discovered by Yale researchers
8. Dartmouth researchers find where musical memories are stored in the brain
9. Columbia researchers receive $3 million to combat genetic killer of infants & toddlers
10. US cancer researchers launch first American-Israeli cancer conference
11. USC dental researchers develop first test for predicting cavities in children

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:1/17/2017)... ... 17, 2017 , ... Peoples Health is pleased to announce ... Dec. 1, 2016. Peoples Health, a Metairie-based Medicare Advantage company, serves more than ... to our provider network, and the addition will benefit our members in the ...
(Date:1/17/2017)... , ... January 17, 2017 , ... ... financial planning assistance to families and business professionals throughout central Colorado, is joining ... homeless families. , The Aurora Warms The Night organization is committed to breaking ...
(Date:1/17/2017)... TX (PRWEB) , ... January 17, 2017 , ... ... Texas families from two offices in Tyler, has announced the latest beneficiary of ... Ribbon Wish Network, a nonprofit organization dedicated to fulfilling the dreams of terminally ...
(Date:1/16/2017)... ... January 17, 2017 , ... ... Pain, an internationally recognized leader in the fast-casual category, announces a hearty and ... the Good Egg Breakfast Sandwich, Turkey Mash-Up Sandwich, Cranberry Crunch & Honey Parfait, ...
(Date:1/16/2017)... (PRWEB) , ... January 16, 2017 , ... With the ... opened on January 8 for use by sports teams and the general public. Built ... volleyball courts that can also be converted into basketball or pickleball courts. The space ...
Breaking Medicine News(10 mins):
(Date:1/17/2017)... Jan. 17, 2017  From the company that brought a full ... years ago, comes a new line of companion animal pet first ... leader in equine first aid, has developed two sizes of small ... , Inc. Featuring a small and a large ... and rodeo family, is not a newcomer to working with small ...
(Date:1/17/2017)... KANSAS CITY, Mo. , Jan. 17, 2017 ... selected Velos and its flagship technology platform Velos ... initiatives. CHNC is a benchmarking and ... Care Units at leading children,s hospitals across ... a benchmark of care and short-term outcomes for ...
(Date:1/17/2017)... 2017 Following an initial analysis, the ... Food and Drug Administration,s (FDA,s) final regulatory guidance ... by Pharmacies and Outsourcing Facilities." In its final ... pre-packaging -- which would have put patients at ... term care (LTC) pharmacies.  The ...
Breaking Medicine Technology:
Cached News: