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Title:   Author  item
                                            Glenn, Gregory

                                                         - *Greg*item
                                            Klamczynski, Arturitem
                                            Ludvik, Charlesitem
                                            SHEY, JUSTIN - SAN FRANCISCOitem
                                            Imam, Syeditem
                                            Chiou, Bor-Senitem
                                            McHugh, Taraitem
                                            Orts, Williamitem
                                            Wood, Delilah

                                                         - *De*item
                                            DeGrandi-Hoffman, Gloriaitem
                                            Offeman, Richard
  Submitted to: Journal of Agricultural and Food Chemistry
                                    Publication Type: Peer Reviewed Journal
                                    Publication Acceptance Date: 3/1/2006
                                    Publication  Date: 5/3/2006
                                    Citation: Glenn, G.M., Klamczynski, A., Ludvik, C.N., Shey, J., Imam, S.H., Chiou, B., Mchugh, T.H., Orts, W.J., Wood, D.F., Hoffman, G.D., Offeman, R.D. 2006. Permeability of starch gel matrices and select films to solvent vapors. Journal of Agricultural and Food Chemistry. 54(9):3297-3304.Interpretive Summary: The controlled release of volatile, agrochemicals is critical in developing approaches to pest control that are economically viable and environmentally sound. Dispensing systems that are made of materials that degrade in agricultural environments when they are spent offer distinct advantages over non-degrading systems that must be collected from the field when their functional life is over. The present study describes the use of starch gels and foams along with biobased films and coatings to control the release of volatile liquids with particular emphasis on 2-heptanone, which has miticidal properties.
                                Technical Abstract: The controlled release of volatile, agrochemicals is critical in developing approaches to pest control that are economically viable and environmentally sound. Dispensing systems that are made of materials that degrade in agricultural environments when they are spent offer distinct advantages over non-degrading systems that must be collected from the field when their functional life is over. The present study describes the use of starch gels and foams along with biobased films and coatings to control the release of volatile liquids with particular emphasis on 2-heptanone, which has miticidal properties.  Starch foam matrices immobilized several times their weight of solvent but were not effective in adequately controlling the release rate of 2-heptanone.  Films made of beeswax, paraffin, ethylene (vinyl alcohol) copolymer (48 mol% ethylene) and a commercial fruit film were used as coatings to reduce the vapor transmission rate of volatile liquids. The release rate of 2-heptanone was effectively controlled by using films of beeswax, blends of beeswax and paraffin wax or laminates consisting of beeswax and fruit film.


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