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Science News for May 26, 2005


Association between depression severity and poor glycemic control among Hispanics with diabetes

Research found a strong association between depression severity and poor glycemic control among Hispanics with diabetes, particularly those with moderate-severe depression. This underlines the importance of identifying and treating depression to improve diabetic outcomes in this high-risk population.

SourceColumbia University's Mailman School of Public Health·JournalJournal of General Internal Medicine·DateMay 26, 2005

Patients with metabolic syndrome, moderate coronary calcium have greater risk of blocked arteries

Researchers at Cedars-Sinai Medical Center found that patients with metabolic syndrome and moderate coronary calcium have a greater chance of having blockage in their arteries. The study analyzed 1,043 patients without known heart disease and found that those with metabolic syndrome had a significantly higher risk of ischemia during st...

SourceCedars-Sinai Medical Center·JournalDiabetes Care·DateMay 26, 2005

Global analysis of membrane proteins

A team of researchers has created simple structural models for over 600 Escherichia coli membrane proteins using a combination of experimental techniques and theoretical methods. The study reveals which membrane proteins can be produced in large quantities by the bacterium, crucial information for drug development.

SourceSwedish Research Council·JournalScience·DateMay 26, 2005

Rice unveils 'green' microcapsule production method

The new process, developed by Michael Wong and his team, involves mixing polymer, salt, and tiny silica particles to create hollow spheres that can encapsulate drugs, flavor compounds, and other molecular cargo. The microcapsules have potential applications in drug delivery, medical imaging, and enzyme protection.

SourceRice University·JournalAdvanced Materials·DateMay 26, 2005

Duke engineers develop new 3-D cardiac imaging probe

Researchers at Duke University have developed a new 3-D cardiac imaging probe that offers sharper, high-contrast images and real-time guidance for therapeutic treatment devices. The probe's ability to generate three-dimensional images may shorten patient time in clinics and reduce radiation exposure.

SourceDuke University·JournalUltrasonic Imaging·DateMay 26, 2005

Ontario's mental health care evaluated

A University of Toronto report assesses the overall performance of 11 psychiatric hospitals and 45 acute-care facilities in Ontario, highlighting strengths and weaknesses. The study identifies key areas for improvement, including patient participation, continuity of care, regional variation, and evidence-based care.

Hydrogen sensors are faster, more sensitive

Researchers at Argonne National Laboratory have developed a new type of hydrogen sensor that shows rapid and reversible responses to hydrogen gas. The sensors use a discontinuous palladium thin film on a glass slide coated with a self-assembled monolayer, resulting in faster response times and increased sensitivity.

SourceDOE/Argonne National Laboratory·JournalApplied Physics Letters·DateMay 26, 2005