News tagged with levels


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School classroom air may be more polluted with ultrafine particles than outdoor air

School classroom air may be more polluted with ultrafine particles than outdoor air

Space & Earth / Environment

created 6 hours ago | popularity not rated yet | comments 0

The air in some school classrooms may contain higher levels of extremely small particles of pollutants — easily inhaled deep into the lungs — than polluted outdoor air, scientists in Australia and Germany ...


Nut Roasting Benefits: Antioxidant levels of nuts increases after roasting

Chemistry / Other

created 1hour ago | popularity not rated yet | comments 0

The chemical reaction that darkens a batch of roasting peanuts also boosts the amount of antioxidants they contain, according to a new study in the journal Food Chemistry.


Good cholesterol not as protective in people with type 2 diabetes

Medicine & Health / Research

created Dec 21, 2009 | popularity 5 / 5 (1) | comments 0

High-density lipoprotein (HDL), known as "good" cholesterol, isn’t as protective for people with type 2 diabetes, according to research reported in Circulation: Journal of the American Heart Association.


Depression saps endurance of the brain's reward circuitry

Medicine & Health / Neuroscience

created Dec 21, 2009 | popularity 4.5 / 5 (6) | comments 1

A new study at the University of Wisconsin-Madison suggests that depressed patients are unable to sustain activity in brain areas related to positive emotion.


Team makes breakthrough demonstration of pH-regulating protein

Chemistry / Biochemistry

created 7 hours ago | popularity 5 / 5 (1) | comments 0

Researchers have identified the protein mechanism that senses bicarbonate fluctuations and adjusts blood pH levels.


Egg Processing Plant Carts Can Harbor Bacteria

Egg Processing Plant Carts Can Harbor Bacteria

Chemistry / Biochemistry

created Dec 21, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Plywood-shelved carts that are used to transport eggs into processing plants can harbor Enterobacteriaceae, according to a microbial survey conducted by Agricultural Research Service (ARS) ...


Scientists take important step toward the proverbial fountain of youth

Medicine & Health / Research

created 8 hours ago | popularity 4.5 / 5 (2) | comments 0

Going back for a second dessert after your holiday meal might not be the best strategy for living a long, cancer-free life say researchers from the University of Alabama at Birmingham. That's because they've shown exactly ...


Gene therapy makes mice breath easier

Medicine & Health / Research

created Dec 21, 2009 | popularity 5 / 5 (1) | comments 0

Researchers from Boston University School of Medicine (BUSM) have discovered a new gene therapy that may prevent the progression of emphysema. The study, which appears on-line in the Journal of Clinical Investigation, descri ...


Adjusting acidity with impunity

Adjusting acidity with impunity

Chemistry / Analytical Chemistry

created 3 hours ago | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- How do individual cells or proteins react to changing pH levels? Researchers at the MESA+ Institute for Nanotechnology at the University of Twente, The Netherlands, have developed a technique ...


Enzyme necessary for development of healthy immune system

Medicine & Health / Research

created 9 hours ago | popularity not rated yet | comments 0

Mice without the deoxycytidine kinase (dCK) enzyme have defects in their adaptive immune system, producing very low levels of both T and B lymphocytes, the major players involved in immune response, according to a study by ...



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