(May 18-20, 2016) 3rd Optical Manipulation Conference Tatsuya Shoji, Kenta Ushiro, Mitsuhiro Matsumoto, Taka-aki Asoh, Yasuyuki Tsuboi “Optical trapping of poly(N−isopropylacrylamide) with a near-infrared laser tweezering: Determination of polymer concentration in a polymer-rich domain.” Yokohama, Japan Contributed Oral Presentation 3rd Optical Manipulation Conference