<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Wu, Pinyu</style></author><author><style face="normal" font="default" size="100%">Huang, Rongxin</style></author><author><style face="normal" font="default" size="100%">Tischer, Christian</style></author><author><style face="normal" font="default" size="100%">A. Jonáš</style></author><author><style face="normal" font="default" size="100%">Florin, Ernst-Ludwig</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Direct Measurement of the Nonconservative Force Field Generated by	Optical Tweezers</style></title><secondary-title><style face="normal" font="default" size="100%">Phys. Rev. Lett.</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">MF</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2009</style></year></dates><volume><style face="normal" font="default" size="100%">103</style></volume><pages><style face="normal" font="default" size="100%">108101</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>