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New Ice, Inc. to develop, market compostable food packaging

October 8, 2007 on 5:00 am | In Uncategorized | No Comments

Source: PR Web, 10/2/07.A new company, New Ice Inc., dedicated to the development, production and marketing of compostable food packaging, was unveiled Tuesday. The company, a wholly-owned subsidiary of The Instone Group, has been operating in stealth mode for a few years and is months away from introducing a new class of biodegradable food and beverage containers that are compostable. Targeted to packagers of produce, meats and poultry that want to minimize the environmental impact of the packaging that they use, New Ice is taking a new approach to compostable food packaging.

Exposure to ultrafine particles from ambient air and oxidative stress-induced DNA damage.
Related Articles Exposure to ultrafine particles from ambient air and oxidative stress-induced DNA damage. Environ Health Perspect. 2007 Aug;115(8):1177-82 Authors: Bräuner EV, Forchhammer L, Møller P, Simonsen J, Glasius M, Wåhlin P, Raaschou-Nielsen O, Loft S BACKGROUND: Particulate matter, especially ultrafine particles (UFPs), may cause health effects through generation of oxidative stress, with resulting damage to DNA and other macromolecules. OBJECTIVE: We investigated oxidative damage to DNA and related repair capacity in peripheral blood mononuclear cells (PBMCs) during controlled exposure to urban air particles with assignment of number concentration (NC) to four size modes with average diameters of 12, 23, 57, and 212 nm. DESIGN: Twenty-nine healthy adults participated in a randomized, two-factor cross-over study with or without biking exercise for 180 min and with exposure to particles (NC 6169-15362/cm(3)) or filtered air (NC 91-542/cm(3)) for 24 hr. METHODS: The levels of DNA strand breaks (SBs), oxidized purines as formamidopyrimidine DNA glycolase (FPG) sites, and activity of 7,8-dihydro-8-oxoguanine-DNA glycosylase (OGG1) in PBMCs were measured by the Comet assay. mRNA levels of OGG1, nucleoside diphosphate linked moiety X-type motif 1 (NUDT1), and heme oxygenase-1 (HO1) were determined by real-time reverse transcriptase-polymerase chain reaction. RESULTS: Exposure to UFPs for 6 and 24 hr significantly increased the levels of SBs and FPG sites, with a further insignificant increase after physical exercise. The OGG1 activity and expression of OGG1, NUDT1, and HO1 were unaltered. There was a significant dose-response relationship between NC and DNA damage, with the 57-nm mode as the major contributor to effects. Concomitant exposure to ozone, nitrogen oxides, and carbon monoxide had no influence. CONCLUSION: Our results indicate that UFPs, especially the 57-nm soot fraction from vehicle emissions, causes systemic oxidative stress with damage to DNA and no apparent compensatory up-regulation of DNA repair within 24 hr. PMID: 17687444 [PubMed - indexed for MEDLINE]

New Content on Great Lakes Regional Collaboration Web Site
Source: U.S. EPA Great Lakes National Program Office (GLNPO), 10/4/07.The WebCast of the GLRC Meeting on October 2, 2007 will be available for replay soon, as well as updates on several original initiatives.

Temporal relationship between air pollutants and hospital admissions for chronic obstructive pulmonary disease in Hong Kong.
Related Articles Temporal relationship between air pollutants and hospital admissions for chronic obstructive pulmonary disease in Hong Kong. Thorax. 2007 Sep;62(9):780-5 Authors: Ko FW, Tam W, Wong TW, Chan DP, Tung AH, Lai CK, Hui DS AIMS: To assess any relationship between the levels of ambient air pollutants and hospital admissions for chronic obstructive pulmonary disease (COPD) in Hong Kong. METHODS: A retrospective ecological study was undertaken. Data of daily emergency hospital admissions to 15 major hospitals in Hong Kong for COPD and indices of air pollutants (sulphur dioxide (SO(2)), nitrogen dioxide (NO(2)), ozone (O(3)), particulates with an aerodynamic diameter of

CA: Solar energy to power Hillsdale High classes
Source: San Mateo Daily Journal, 10/4/07.Hillsdale High School will soon be getting a small sunshine boost kicking off a long-term project to produce more solar energy on campus. The grant-funded program through the BP A+ For Energy program is new to the school this year. Students and teachers are partnering with Owens Solar and Electric, a San Mateo solar provider, to learn about energy conservation, renewable energy and how it can be implemented into the classroom.

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