Containers, biodegradable

Consider using preservatives in detergent products containing biodegradable raw materials with a neutral pH, especially low concentration liquid detergents. 

Observations Cell-occlusive polyethylene glycol containing biodegradable barrier... 

Desai, S.D., and J. Blanchard. 2000. Pluronic F127-based ocular delivery system containing biodegradable polyisobutylcyanoacrylate nanocapsules of pilocarpine. Drug Deliv 7 201. 

Colchicine Inhibits microtubule assembly and cell division Rabbit femoral artery Local infusion of drug-containing biodegradable microparticles Did not reduce restenosis Induced toxicity to adjacent musculature (102)... 

Tokiwa Y., Takagi S., Koyama M. Starch-containing biodegradable plastic and method of producing same. American patent US5256711 (1993). 

Figure 4.2 Sucrose containing biodegradable polymers. I -O-vinyl hexanedioyl-sucrose co-polymerized with either acrylic acid or acrylamide [21].

Cleaning Up Since sucrose, yeast, and ethanol are all natural products, all solutions produced in this experiment contain biodegradable material and can be flushed down the drain after dilution with water. The limewater can be disposed of in the same way. The Celite filter aid can be placed in the nonhazardous solid waste container. 

Herrmann, J. Bodmeier, R. Somatostatin containing biodegradable microspheres prepared by a modified solvent evaporation method based on W/O/W-multiple emulsions. Int. J. Pharm. 1995, 126 (1-2), 129-138. 

Tbe luminescence of GGA solutions were estimated using the bacterial chip system in order to produce a calibration plot for measurement of pollution containing biodegradable substances. The luminescent intensity was correlated with concentration of BOD standard (GGA) solution. The bioluminescence increased linearly with concentration up to approximately 50 ppm. Measurement of BOD values less than 50 ppm has been achieved. The bght intensity reached saturation at concentrations of over 100 ppm. Detection limit was approximately 1(X) ppm, and the minimum measurable BOD was 1 ppm. Based on the logarithmic curve which was obtained by the measurement with a chemi-imager, two linear calibration curves and equations were estimated and approximated... 

According to Parker and Beacher (1947), toxaphene is a mixture of the isomers of octachlorocamphene. Investigations by Casida et al. (1974) revealed that the product is a mixture of at least 175 polychlorobornanes, each containing 6,7,8 or 9 chlorine atoms. Using C1 and C labelled toxaphene, it has been proved that about half of the carbon-chlorine bonds are metabolically labile and that most of the components contain biodegradable sites. 

Our work on biodegradation supports that of Yu et al. (2002). In particular, our models suggest that biodegradation is not necessarily limited to temperatures less than 65 °C that not all lower temperature reservoirs contain biodegraded oil and that the dynamic nature of biodegradation results in poor to very poor correlations between API gravity and reservoir depth or temperature. 

Ulbrich K, Konak C, Tuzar Z, Kopecek J. Solution properties of drug carriers based on poly[N-(2-hydroxypropyl)-methacrylamide] containing biodegradable bonds. Makromol Chem 1987 188 1261-1272. 

Freytag T, Dashevsky A, Tillman L, Hardee GE, Bodmeier R. Improvement of the encapsnlation efficiency of oligonucleotide-containing biodegradable microspheres. Journal of Controlled Release. October 3, 2000 69(l) 197-207. PubMed PMID 11018557. 

Song X, Song SK, Zhao P, Wei LM, Jiao HS. beta-methasone-containing biodegradable poly(lactide-co-glycolide) acid microspheres for intraarticular injection Effect of formulation parameters on characteristics and in vitro release. Pharmaceutical Development and Technology. September-October 2013 18(5) 1220-1229. PubMed PMID 22295954. 

The deposition of waste materials containing biodegradable matter invariably leads to the production of gas and leachate, the composition of which will vary according to the nature of the material being degraded and the surrounding environmental conditions. 

Further, the blends may contain biodegradable additives to enhance their disintegration and biodegradabUity in the environment. Examples of biodegradable additives include thermoplastic starch, microcrystalline cellulose, methyl cellulose, hydrox5rpropyl cellulose, PLA, poly(hydroxy butyrate), or poly(vinyl alcohol) (50). 

Although there are a large number of polymer blends available, only those blends that contain biodegradable polymers and/or natural components are applicable in the biomedical engineering, particularly in tissue engineering. The use of biodegradable polymer blends has opened a wide area of study. Different combination of blends has led to obtain different mechanical properties, which are indeed very meritorious in medical and other engineering applications. 

Eldridge, J. H., Meulbroek, J. A., Staas, J. K., Tice, T. R., and Gilley, R. M. 1989b, Vaccine-containing biodegradable microspheres specifically enter the gut-associated lymphoid tissue following oral administration and induce a disseminated mucosal immune response. Exp. Med. Biol. 251 191-202. 

Andini, S., Ferrara, L., Maglio, G. and Palumbo, R. (1988) Synthesis of block polyesteramides containing biodegradable poly(L,L-lactide) segments. Makromol. Chem. Rapid Commun., 9, 119-124. 

A temperature of 40 °C, quite unusual for geotechnical applications, was chosen within the BAM certification because geomembranes in landfill liners may be exposed to elevated temperatures when the waste body of the landfill contains biodegradable materials and especially when it is run as a bioreactor landfill. 

Hybrid materials, containing biodegradable, but nonrenewable, petroleum-based polymers combined with renewable biopolymers (mainly starch), constitute an environmental compromise, but hybrids provide improved physical properties relative to the biopolymers alone they are biodegradable and, in many cases, they are compostable. Hybrids satisfy many of the growing environmental concerns of the major industrialized regions of North America, Europe, and Asia. 

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