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000052910 084__ $$2WoS$$aPhysics, Applied
000052910 084__ $$2WoS$$aPhysics, Mathematical
000052910 1001_ $$0P:(DE-HGF)0$$avan den Bosch, I.$$b0
000052910 245__ $$aAccurate and efficient modeling of monostatic GPR signal of dielectric targets buried in stratified media
000052910 260__ $$aZeist$$bVSP$$c2006
000052910 300__ $$a283 - 290
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000052910 440_0 $$015823$$aJournal of Electromagnetic Waves and Applications$$v20$$x0920-5071
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000052910 520__ $$aA new kind of extracellular polysaccharide (EPS) from Pseudomonas fluorescens PGM37 was obtained and culture media was optimized using the statistical methods single factor experiments and response surface methodology (RSM) design. As a result, the optimum cultivation conditions initial pH value, medium volume, inoculum size, temperature, and rotation speed were 7.5, 100 mL/250 mL, 5 %, 28 °C, and 180 rpm, respectively. The optimized media: sucrose 36.23 g L(-1), yeast extract 3.32 g L(-1), sodium chloride 1.13 g L(-1), and calcium chloride 0.20 g L(-1). The maximum predicted yield of EPS was 10.1163 g L(-1) under these conditions. The validation data was 10.012 g L(-1), which could strongly confirm the correlation between the experimental and theoretical values. Gas Chromatography analysis revealed that the polymer was made up of mannose and glucose in the ratio of 1:1. Infrared spectroscopy showed that the polysaccharide had β-D-pyranoid configuration and contained no other substituent. Graded by different multiples of alcohol after specific degradation by enzyme and then detected by LC-ESI-MS, the EPS structure was β-D-Glcp-(1, 4)-β-D-Manp-(1, 4)-β-D-Glcp-(1, 4)-β-D-Manp. The moisture retention ability of the EPS was found to be superior to glycerol and only a little inferior to hyaluronic acid (HA), which presented potential application value in cosmetics and clinical medicine fields.
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000052910 7001_ $$0P:(DE-Juel1)VDB54976$$aLambot, S.$$b1$$uFZJ
000052910 7001_ $$0P:(DE-HGF)0$$aAcheroy, M.$$b2
000052910 7001_ $$0P:(DE-HGF)0$$aHuynen, I.$$b3
000052910 7001_ $$0P:(DE-HGF)0$$aDruyts, P.$$b4
000052910 773__ $$0PERI:(DE-600)2069364-3$$a10.1163/156939306775701704$$gVol. 20, p. 283 - 290$$p283 - 290$$q20<283 - 290$$tJournal of electromagnetic waves and applications$$v20$$x0920-5071$$y2006
000052910 8567_ $$uhttp://dx.doi.org/10.1163/156939306775701704
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