Erodible plastic microspheres could be effective oral drug delivery system
..., which become moreadhesive to body tissues as the plastics degrade in water. The spheres range insize from 0.1 to 5 micrometers. For purposes of comparison, one thousand1-micrometer spheres could fit end-to-end on a pinhead. A novel proprietaryprocess, dubbed PIN for "Phase Inversion Nanoencapsulation," was ...Corn Byproduct Shows Promise As Biodegradable Packaging Material
...ve developeda process to manufacture biodegradable plastics from corn gluten meal. Theprocess involves melting the zein with fatty acids to produce moldable resins.When disposed of, the plasticized zein will degrade naturally, acting asa slow-release nitrogen source for soil, Padua said. In the Cereal Chemis...Finished Your Lunch? Now Eat The Wrapper
.... Dr Topping observes some of the new plant-based plastics now coming ontothe market are made mostly of resistant starch æ although he doesnot advise anyone to eat them in their present form. Nevertheless, one daythe idea of "edible plastics" may not be as strange as it sounds....15 Drugs, Dyes And Other Chemicals Newly Listed As Known Or Likely Human Carcinogens
...rmanent hair dyes and also in coloring fabrics and plastics FURAN, used as a chemical intermediate in the synthesis and production ofother organic compounds. O-NITROANISOLE, used as a precursor in the synthesis of o-anisidine whichis used in the manufacture of more than 100 azo dyes. 6-NITROCHRYSENE. Not use...Plants - Factories Of The Future
...s of detergents, nylon, glue, paints, lubricants, plastics could all be produced from plants, rather than fossil materials. Plants could provide a renewable, biodegradable source of these high value speciality products. "Raw materials used to make polymers and speciality chemicals are modified forms of...Third Annual Awards For Presidential Green Chemistry Challenge Recognize Innovations
...-cost lactate ester, aningredient of biodegradable plastics and other products. Argonne's industrialpartner (NTEC Inc.) plans to open a demonstration plant in 1999, followed byfull-scale production of 100 million pounds per year....New Device Brightens Recycling Efforts
...ew device designed to quickly and easily identify plastics so they can be sorted for recycling has been named...arch Park, may help to save billions of pounds of plastics that now are landfilled or incinerated every year, says Edward Grant, Purdue professor of chemistry...Goats And Spiders Are Working Together To Create A Novel Material
...d become a green alternative tothe high- strength plastics used to package shampoos or make commercial fishingnets. Jeff Turner, president of Nexia Biotechnologies, says the biodegradablefabric would need to be sealed from the environment if used in criticalapplications such as body armour or spacecr...Scientists Finger A Molecular Kingpin In Body's Response To Cigarettes
... eat, with its ultimatesource in the production of plastics and electronic equipment,herbicides, and combustion from automobiles, power plants andincinerators. For two decades Gasiewicz has studied how dioxin binds to andmanipulates the AH receptor, which plays a key role in determininghow our body reads...Plastics - Easier To Recycle Than Commonly Thought
Recycling waste domestic plastics may be much easier than is commonly thought,accord...ce from the virginones. The researchers admit that plastics that have been in contact with chemicals andstrong odours may carry the effects of these contaminant...Testing Restaurant Compost For Greenhouses
...'t, such as paper napkins and coffeegrounds -- but plastics and metals must be separated at the restaurants, sheexplains. "There's a good chance this will work," says Joe M. Regenstein, a Cornellprofessor of food science who studies composting technologies and is an adviserto the student group. "Technically...Computers use Darwinian model to 'evolve' fuel additives
...become a major force in thedesign of future drugs, plastics and other products, Venkatasubramanian says....Purdue helps Indiana companies with pollution dilemma
..., a chemical compound used tomake fiber-reinforced plastics for products such as recreational vehicles, boatsand shower stalls. The U.S. Environmental Protection Agency has changed how it estimates theannual quantity of styrene that a company emits, in effect doubling itsestimates of emission levels. Tha...National Science Board selects leading chemists to establish new Science and Technology Center
...lymerizationprocesses they designed to make common plastics like Teflon, Plexiglas andpolystyrene. An outgrowth of the research included design of surfactants(detergents) for carbon dioxide that enabled it to be a powerful solvent formany solvent- and water-intensive industries. "Carbon dioxide has gr...Microbes work magic on hazardous air pollutants
...omobile painting, furniture finishing,chemical and plastics processing, and industrial and municipal water treatmentsystems. Biotrickling filter systems can besupplied in standard or semi-custom sizes, with instrumentation and controlpackages provided. Envirogen developedthe biotrickling filter technology und......he concept of sustainabilityis not relevant to the plastics packagingfield, says Brian Glyde writing in Materials World. p.549...Expect rapid, pervasive innovation in 21st century
... make a wide range of products, from biodegradable plastics to new fuels and solvents. Better and smaller robots for a nearly unlimited range of applications, from medicine tohousehold maintenance. Computerized systems that reduce the number of power failures by accurately predicting changingdemands for...Peer review set for NTP Studies May 18
...n ingredient in hard or high temperature resistant plastics p,p'-Dichlorodiphenyl Sulfone, and indium phosphide, which is used in making solar cells, semi-conductors, lasers and photodiodes. ...UniStates, Tufts University collaborate on new technology
...ulty and students will create primarily metals and plastics materials using RMT for industry and government testing and evaluation. Tufts and UniStates will also develop manufacturing systems and facilities for commercial scale production. The Tufts facility will lead to a full-scale commercial manufacturing ...'Radical' discovery dedicated a National Historic Chemical Landmark
...mist's revolutionary finding advances medicine and plastics University of Michigan chemist Moses Gomberg's d...biology and medicine, as well as the production of plastics for everything from children's toys to the space shuttle. The American Chemical Society National His...