Model describes engineered cartilage

Article Abstract:

A mathematicam model that can measure the concentration of glycosaminoglycan (GAG) has been developed by researchers at the Massachusetts Institute of Technology. GAG is an indicator of cartilage development in bioengineered cartilage as a function of position within the tissue and cultivation time. The model supports a first-order dependence of GAG synthesis on oxygen concentration although the exact mechanisms that control GAG synthesis, catabolism and deposition remain largely unknown.

Science & research, Biological Product (except Diagnostic) Manufacturing, Biosynthetic Cartilage Implants, Cartilage implants

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OSHA finalizes ergonomics standard

Article Abstract:

The Occupational Safety and Health Administration has released its final Ergonomics Program Standard. The rule requires employers to provide employees basic information about common muscuskeletal disorders (MSDs) and their signs and symptoms. It takes effect on Jan 16, 2001 and includes specific compliance dates. Employers are required to begin to distribute information about the standard to employees and begin receiving and responding to reports of injuries not later than Oct 14, 2001.

Government regulation, Business

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EPA issues PM 2.5 guidance

Article Abstract:

A guidance for PM 2.5, the United States Environmental Protection Agency?s fine particles air quality standards, has been published that determines boundaries for nonattainment and attainment areas of fine particles. The guidance concerns states and tribes of Native Americans.

Product standards, safety, & recalls, Waste Management and Remediation Services, Particulate Pollutants, Standards, Reports, United States. Environmental Protection Agency, Air quality

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