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  • Comparing the strengthening efficiency of multiwalled
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    nbsp 0183 32 High energy ball milling Model PM200 Retsch Germany of Al powder was carried out in hardened steel vials using hardened steel balls of 10 mm diameter while maintaining ball to powder ratio BPR of 20 1 Milling was performed at 180 rpm for 10 h...

  • The Heat Shock Response in Yeast Maintains Protein
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    nbsp 0183 32 The second aliquot was flash frozen in liquid nitrogen was lysed in a mixer mill Retsch with prechilled 9 mm stainless steel balls 4 x 90s at 30 Hz Between the cycles the tubes were chilled in liquid nitrogen 400 μL ice-cold Buffer S were added then the thawed lysate was clarified by centrifugation for 30 seconds at 3000 x g and 4 176 C and the supernatant transferred to a 1 5 mL...

  • Trace elements in Labrador Tea Rhododendron
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    nbsp 0183 32 After drying sample grinding was done using a centrifugal ball mill PM 400 Retsch Haan Germany employing 250 mL agate jars each with three 30 mm agate balls operating at 200 rpm for 4 215 2 5 min alternate forward and reverse cycles All of the...

  • Delivery to the gut microbiota A rapidly proliferating
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    nbsp 0183 32 The beads were then coated with eudragit S100 a colon-targeting by pH-solubility dependence synthetic polymer The study was successful in both in vitro release and in vivo pharmacodynamic efficacy in a rat model for inflammation associated colitis and...

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