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Tag: "nanosensor" at biology news

Researchers Create DNA-Based Sensors for Nano-Tongues and Nano-Noses

... a liquid or in air. "When the DNA portion of the nanosensor binds to a target molecule, there will be a slight change in the electric charge near the nanotube," Johnson said. "The nanotube will then pick up on that change, turning it into an electric signal that can then be reported." According to Johnson, a...

New nanosensor uses quantum dots to detect DNA

...cer. The Johns Hopkins team described the new DNA nanosensor in a paper published in the November 2005 issue of the journal Nature Materials. "Conventional methods of finding and identifying samples of DNA are cumbersome and time-consuming," said Jeff Tza-Huei Wang, senior author of the paper and supervisor o...

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(Date:10/29/2014)... in the living world compete with members of ... how much they invest into their competitive ability. ... get access to high-quality resources, while others seem ... the lower-quality resources that are left over for ... and human societies seems to fluctuate considerably over ...
(Date:10/29/2014)... study on a large cohort of kidney cancer patients ... the disease -- and reveals an apparent link between ... particularly in Romania. , The research, by an international ... Genome Quebec Innovation Centre in Montreal, underscores the importance ... The compound, found in plants of the Aristolochia genus, ...
(Date:10/28/2014)... North America, Europe and China have published a paper ... Sciences that reveals important details about key transitions ... From strange and exotic algae, mosses, ferns, trees and ... and vegetables we eat and the ornamental plants adorning ... a billion years of history., "Our study generated DNA ...
Breaking Biology News(10 mins):Evolution of competitiveness 2Evolution of competitiveness 3Study sheds light on genetic architecture of kidney cancer 2Study sheds light on genetic architecture of kidney cancer 3New study uses DNA sequences to look back in time at key events in plant evolution 2New study uses DNA sequences to look back in time at key events in plant evolution 3
(Date:10/30/2014)... 29, 2014 (HealthDay News) -- When it comes to heart ... men to delay care when they have symptoms that spell ... to the hospital with a more severe or advanced stage ... study author Catherine Kreatsoulas, a Fulbright Scholar and research fellow ... news release from the Heart and Stroke Foundation of Canada. ...
(Date:10/30/2014)... Norton HealthDay Reporter WEDNESDAY, ... plastics, chemical during pregnancy may have effects on genital development ... that baby boys born to moms with greater exposure to ... distance -- the space between the genitals and anus. Anogenital ... marker of exposure to androgens ("male" hormones) during pregnancy. ...
(Date:10/30/2014)... 2014 (HealthDay News) -- Many U.S. colleges have ... though tanning increases the risk for skin cancer, ... adults, particularly white women, so colleges should adopt ... researchers said. "Public health efforts are needed ... of the harms that indoor tanning poses to ...
(Date:10/30/2014)... Americans, opinions about the Affordable Care Act are sharply ... Democratic voters are strongly in favor of the Affordable ... of Democrats want the next Congress to move ahead ... the current law, while 44 percent want to expand ... one-third want the law repealed, and 27 percent want ...
(Date:10/30/2014)... the fact that a patient,s body is only ... a third of cancer patients experience psychosocial distress ... And, increasingly, care providers are exploring phone- and ... health challenges. A University of Colorado Cancer Center ... asks an important question: after decades of ...
Breaking Medicine News(10 mins):Health News:Women Often Ignore Signs of Heart Trouble 2Health News:Plastics' Chemical May Affect Baby Boys' Genital Development 2Health News:Plastics' Chemical May Affect Baby Boys' Genital Development 3Health News:Many U.S. Colleges Have Indoor Tanning Salons On, Near Campus: Study 2Health News:Voters' Views on Obamacare Split Along Party Lines 2Health News:Decades of research: Effectiveness of phone counseling for cancer patients still unknown 2
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