Navigation Links
New multi-use device can shed light on oxygen intake
Date:9/22/2009

WEST LAFAYETTE, Ind. - A fiber-optic sensor created by a team of Purdue University researchers that is capable of measuring oxygen intake rates could have broad applications ranging from plant root development to assessing the effectiveness of chemotherapy drugs.

The self-referencing optrode, developed in the lab of Marshall Porterfield, an associate professor of agricultural and biological engineering, is non-invasive, can deliver real-time data, holds a calibration for the sensor's lifetime and doesn't consume oxygen like traditional sensors that can compete with the sample being measured. A paper on the device was released on the early online version of the journal The Analyst this week.

"It's very sensitive in terms of the biological specimens we can monitor," Porterfield said. "We don't only measure oxygen concentration, we measure the flux. That's what's important for biologists."

Mohammad Rameez Chatni, a doctoral student in Porterfield's lab, said the sensor could be used broadly across disciplines. Testing included tumor cells, fish eggs, spinal cord material and plant roots.

Cancerous cells typically intake oxygen at higher rates than healthy cells, Chatni said. Measuring how a chemotherapy drug affects oxygen intake in both kinds of cells would tell a researcher whether the treatment was effective in killing tumors while leaving healthy cells unaffected.

Plant biologists might be interested in the sensor to measure oxygen intake of a genetically engineered plant's roots to determine its ability to survive in different types of soil.

"This tool could have applications in biomedical science, agriculture, material science. It's going across all disciplines," Chatni said.

The sensor is created by heating an optical fiber and pulling it apart to create two pointed optrodes about 15 microns in diameter, about one-tenth the size of a human hair. A membrane containing a fluorescent dye
'/>"/>

Contact: Brian Wallheimer
bwallhei@purdue.edu
765-496-2050
Purdue University
Source:Eurekalert  

Page: 1 2

Related medicine news :

1. Cohera Medical Receives ISO 13485 Certification: Company Meets International Standards for Design, Development and Manufacturing of Medical Devices
2. New device could more effectively alleviate menstrual cramp pain
3. New device finds early signs of eye disease in preemies
4. FDA Awards Three Grants Designed to Stimulate Development of Pediatric Medical Devices
5. Health Robotics Continues Global Expansion Into Oceania With Device Technologies Australias Strategic Partnership
6. Medical Device Manufacturer MRPC Awarded ISO 13485 Certification
7. Zargis Receives FDA Clearance for Signal X6 Telemedicine Device; OK Allows Delivery to US Army
8. Worlds First Emergency Medical Information Franchise Launches GPS Tracking Device
9. For Medical Device Makers, Free Webinar, Implementing QA Automation.
10. Sono-Tek Announces its Largest Ever Sales of MediCoat Stent Coating Systems to a Leading Global Medical Device Manufacturer
11. American Scientific Resources Acquires Intellectual Property to Worlds Only FDA Approved Home Needle Destruction Device
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
New multi-use device can shed light on oxygen intake
(Date:8/21/2014)... The City of Garden Grove is ... programming for its inaugural “Re:Imagine Garden Grove – A ... from 11 a.m. to 4 p.m., 2.85-miles of Garden ... the downtown will be filled with diverse music, dance, ... Resources (CARS), for all to enjoy. , The car-free ...
(Date:8/21/2014)... (HealthDay News) -- Black mothers are less likely than ... possible reason why: Hospitals in neighborhoods with many black ... areas with more white residents, a U.S. government study ... less common in medical centers where the black population ... for Disease Control and Prevention reported Thursday. These ...
(Date:8/21/2014)... THURSDAY, Aug. 21, 2014 (HealthDay News) -- Not only is ... can save them hundreds of health-care dollars a year, a ... a professor of public health sciences at Wake Forest Baptist ... overweight and obese type 2 diabetes patients. ... randomly assigned to either an intensive "lifestyle change program" focused ...
(Date:8/21/2014)... (HealthDay News) -- Being born at a low birth weight ... a new study suggests. The findings may partly explain ... a high prevalence of low birth weight, the researchers added. ... that those with a low birth weight were 13 percent ... a normal birth weight. The risk of diabetes was 40 ...
(Date:8/21/2014)... seniors, dimming vision may be tied to poorer survival, new ... aged 65 to 84, who were assessed when they enrolled ... later. Vision loss over time was associated with an ... period, the researchers reported. Although the study couldn,t prove ... University in West Lafayette, Ind., offered up some theories on ...
Breaking Medicine News(10 mins):Health News:"Re:Imagine Garden Grove - A Downtown Open Streets Event" 2Health News:"Re:Imagine Garden Grove - A Downtown Open Streets Event" 3Health News:"Re:Imagine Garden Grove - A Downtown Open Streets Event" 4Health News:Racial Disparities in Breast-Feeding May Start With Hospitals, Study Suggests 2Health News:Getting Healthier a Big Money-Saver for People With Diabetes 2Health News:Low Birth Weights May Put Black Women at Risk for Diabetes 2Health News:Failing Vision Tied to Shorter Lifespans for Seniors 2
... adults in their late 30,s received a flu shot during ... study released today says. But about 65 percent were ... percent said they were following the issue very or moderately ... adults during the 2009-2010 H1N1 influenza epidemic, this second of ...
... Doheny HealthDay Reporter , TUESDAY, Jan. 24 (HealthDay ... the risk of getting ovarian cancer, but new research shows ... surviving the deadly disease. Women with invasive epithelial ovarian ... women without the genetic variations, according to an analysis of ...
... practiced as part of routine care for people with ... pressure and cholesterol levels and keep them under control, ... February issue of Diabetes Care . Researchers ... cohort study of more than 30,000 people with diabetes ...
... , TUESDAY, Jan. 24 (HealthDay News) -- Psychedelic ... suggest two small brain imaging studies that seem to ... mushrooms -- affects the brain. One study included ... blood while magnetic resonance imaging (MRI) scanners measured changes ...
... HealthDay Reporter , TUESDAY, Jan. 24 (HealthDay ... and other signs of gastroesophageal reflux don,t get additional ... And, taking these medications when there are ... a respiratory infection, reports the study. "There,s a ...
... , TUESDAY, Jan. 24 (HealthDay News) -- Obstetricians ... partner violence, including during prenatal visits, according to ... and Gynecologists. In addition, ob-gyns should offer ... on hand to give to patients who are ...
Cached Medicine News:Health News:Young adults responded well to swine flu 2Health News:Gene Mutations May Boost Ovarian Cancer Survival: Study 2Health News:Gene Mutations May Boost Ovarian Cancer Survival: Study 3Health News:Lifestyle counseling reduces time to reach treatment goals for people with diabetes 2Health News:Could 'Magic' Mushrooms Ease Depression? 2Health News:Could 'Magic' Mushrooms Ease Depression? 3Health News:Heartburn Meds Won't Help, May Harm Kids With Asthma 2Health News:Heartburn Meds Won't Help, May Harm Kids With Asthma 3Health News:Ob-Gyns Should Screen for Domestic Abuse: Experts 2
(Date:8/21/2014)... (NASDAQ: CYBX ) today announced results for the ... 1   Operating results for the first quarter ... 2014, and other achievements, include: , Worldwide net product ... Strong international net sales of $13.2 million, an increase of ... product sales reached a new high of $58.8 million, an ...
(Date:8/20/2014)... , Aug. 20, 2014 Northstar Global ... that after months of hard work from many ... new Snorenz formulation and package design.  The new ... B-6 back into the product due to overwhelming ... lasting effects.  Snorenz Nighttime will also include these ...
(Date:8/20/2014)... Md. , Aug. 20, 2014  The ... lauded the latest results achieved by the real-time, ... as the National Precursor Log Exchange (NPLEx), automatically ... officials track down methamphetamine offenders and make arrests. ... Missouri blocked the sale ...
Breaking Medicine Technology:Cyberonics Reports Fiscal 2015 First Quarter Results 2Cyberonics Reports Fiscal 2015 First Quarter Results 3Cyberonics Reports Fiscal 2015 First Quarter Results 4Cyberonics Reports Fiscal 2015 First Quarter Results 5Cyberonics Reports Fiscal 2015 First Quarter Results 6Cyberonics Reports Fiscal 2015 First Quarter Results 7Cyberonics Reports Fiscal 2015 First Quarter Results 8Cyberonics Reports Fiscal 2015 First Quarter Results 9Cyberonics Reports Fiscal 2015 First Quarter Results 10Cyberonics Reports Fiscal 2015 First Quarter Results 11Cyberonics Reports Fiscal 2015 First Quarter Results 12Cyberonics Reports Fiscal 2015 First Quarter Results 13Cyberonics Reports Fiscal 2015 First Quarter Results 14Cyberonics Reports Fiscal 2015 First Quarter Results 15Cyberonics Reports Fiscal 2015 First Quarter Results 16Northstar completes the first phase of its new retail strategy and prepares to ship reformulated Snorenz with all new packaging 2Missouri's Stop-Sale System Achieves Significant Results In Battle Against Meth 2
... Laboratories is a national reference laboratory and ... and development. ARUP offers an extensive test ... tests in clinical and anatomic pathology. Owned ... clients include more than half of the ...
... ARUP Laboratories is a national reference laboratory ... research and development. ARUP offers an extensive ... medical tests in clinical and anatomic pathology. ... Laboratories' clients include more than half of ...
... national reference laboratory and a worldwide leader ... offers an extensive test menu of highly ... and anatomic pathology. Owned by the University ... than half of the nation's university teaching ...
... ARUP Laboratories is a national reference ... laboratory research and development. ARUP offers an ... unique medical tests in clinical and anatomic ... ARUP Laboratories' clients include more than half ...
Medicine Products: