Tag: "lens" at biology news
Safer medical implants, more comfortable fabrics among research items at Rochester meeting
... Award for the invention of Softlens 66 th contact lens
material at Bausch & Lomb, Inc., in Rochester. Jamie Cucinotta , Fayetteville-Manlius High School, Manlius, N.Y. 2004 Northeast Region Award for Excellence in High School Chemistry Teaching...
Structure of new DNA enzyme family member found
...e onto a specimen, but until you have an objective lens
that refocuses that light you can't actually see an image." Structural protein chemists don't have the equivalent of a microscope's objective lens, so they "refocus" the image using computers.When the Ealick group compared the AIRs kinase protein to ...
Identifying the path to infection
...ons, which scatter off the atoms in the crystal. A lens
inside the microscope focuses these electrons, forming a high-resolution image, which is recorded using film or a digital camera. The recorded images are analyzed by a computer, yielding the structure of the protein molecule. This method produc...
Study: Eat leafy green veggies to help prevent cataracts
...h. Results from laboratory experiments on human lens
cells showed that lutein and zeaxanthin, antioxida...tates suffer from cataracts a condition where the lens
of the eye clouds over, making it difficult or nearly impossible to see. Current treatment is expens...
Research warns against sleeping in contact lenses
.... The research also found that the type of contact lens
worn had a significant effect on a person's chance...hydrogel lenses. No difference between the type of lens
worn and the risk of infection was found for normal daily wear. The research, published in the Briti...
Scientists journey to southern Africa to unravel the secret world of elephant communication
...hone array and Katie Eckert--using a special night lens
after sunset--videotaped the elephants' reactions. Directly below them in the lower level, Dave Shriver and Colleen Kinzley acted as "blind observers," monitoring the herds but never knowing which recordings, if any, were being played back through th...
Adults can be retrained to learn second languages more easily, says UCL scientist
...uage 'warps' perception. We see things through the lens
of our native language and that 'warps' the way we see foreign languages. "It is very difficult to undo this learning. That is, we change our perception during childhood so that it becomes specialized to hear the speech sounds in our first language....
Technique provides new look on response of diseased canine heart
... the genes. Our approach kind of uses a wide-angle lens
rather than a microscope. If we can better understand what the heart is doing, we may be able to arrest the disease."...
NASA develops a 'nugget' to search for life in space
...ay can direct a beam of neutrons through a neutron lens
made up of the thousands of long, slender, hair-size glass tubes. The bundle of tubes is shaped so that the neutrons flowing down them can converge at a central point. Since the method's invention in the 1980s, manufacturing practices have made this ...
Eye on the prize: UH optometry students set record with fellowships
...hing from the basic focusing of the eye to contact lens
design for patients with diseased corneas, the Uni...ip for her research in the focus mechanisms in the lens
of the eye. Huang and Robertson were both given the VISTAKON Ezell Fellowships Huang for his immun...
Nutrition scientists take a look at cataract prevention
...e risk of developing cataracts in one of the three lens
locations examined. The results of this study, which were published in the American Journal of Clinical Nutrition, are not consistent, however, with findings of other studies on the relationship between PUFAs and cataracts. In a study that was recent...
Cells direct membrane traffic by channel width, scientists say
...e been identified, mostly in the kidney, brain and lens
of the eye. Impaired function has been implicated in a variety of diseases. Aquaporins are a target of scrutiny for the Theoretical and Computational Biophysics Group at the Beckman Institute for Advanced Science and Technology. Using steered molecul...
Scientists focus on 'dwarf eye'
...by growing, which changes the distance between the lens
and the retina, the light-detecting layer of cells...ye. Once the retina is the right distance from the lens
for proper focus of images on the retina, a largely unknown mechanism that uses visual experience ca...
Insight into our sight: A new view on the evolution of the eye lens
...ns of special proteins called crystallins found in lens
cells. Fish, frogs, birds and mammals all experien...rming an image. This has lead to the view that the lens
evolved within the vertebrates early in vertebrate evolution, and it raises a long-standing question...
Genetics used to prove linguistic theories
...e proposals of three eminent linguists through the lens
of genetic data. Using genetic information from thousands of subjects, Salzano and his co-authors compare the work of Cestmir Loukotka, Joseph H. Greenberg, and Aryon D. Rodrigues, all of whom have written about the relationships among the four most ...
A crucial role for TGFbeta signaling in congenital eye disorders
in the developing eye acts as a TGFbeta signaling ... these mice, the eyes were reduced in size and the lens
and cornea failed to separate. The authors show that TGFbeta signaling is crucial for proper differe...
Advancing the biomedical frontier: Experimental Biology 2006
...looking at similar biomedical problems through the lens
of different disciplines. The theme of this year's meeting, "Advancing the Biomedical Frontier," refers to Experimental Biology's reputation for presenting research results that are shaping today's and tomorrow's medical advances. The six sponso...
Georgia Tech develops technology for more compact, inexpensive spectrometers
...ctrometers have multiple parts -- a narrow slit, a lens
(to guide light), a grating (to separate wavelengths), a second lens
and a detector (to detect the power at different wavelengths). The Georgia Tech team's goal was to c...
Unique equine cataract surgery offered on routine basis
...amber using a jet of saline. The teams remove the lens
using an ultrasound probe and administered an injection of intravitreal steroids to control postoperative inflammation of the eye. Professor Knottenbelt said: "This new surgery shows how effectively the latest human cataract surgical techniques ca...
Blood pressure medication may revolutionize treatment of Marfan syndrome
...uals. Manifestations include long bone overgrowth, lens
dislocation, emphysema, thickening and dysfunction of the heart's mitral valve, and aortic aneurysm with a predisposition for early vascular rupture and sudden death. Losartan attenuates development of aortic aneurysm by lowering the activity of a pe...
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