POLYMERS Vol.70 No.8
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COVER STORY
Visualization of Force
Polymers deform relatively easily when force is applied and because of this characteristic, polymers are being useful plastic and rubber products. When polymers are used as additives, they affect friction, lubrication, flow, etc., and improve the quality of our lives. Looking at life phenomena, cells change their behavior as well by receiving mechanical stimuli from surrounding polymer fibers. If we can understand the relationship between polymers and forces spatiotemporally, it will lead to an essential understanding of various phenomena and improvement of the functions of polymer materials. In this special issue, we would like to introduce cutting-edge research on visualizing phenomena related to macromolecules and forces by quantitatively expressing them as graphs, colors, and images.
Editors: NARUTAKI, ISODA, SUGA, and TAKAGI

Digest for English Readers
412

Hot Topics in Polymer Science in SPSJ
415
SPSJ PMF Poster Awards 2020

Commentary
Visualization of Forces for Polymer Science Kazue KURIHARA
416

COVER STORY: Highlight Reviews
Measuring Forces/Stresses Inside a Developing Embryo Kaoru SUGIMURA
417
Effects of Polymer Deformation and Relaxation on Flow Characteristics Ruri HIDEMA, Hiroshi SUZUKI
420

PolyMANGA
423

COVER STORY: Topics and Products
Low Friction Polymer Additives for Oil-Based/Water-Based Lubrication Shinji YAMADA
424
Emissive Polymer Chemosensors that are Capable of Visualizing Pressures Kotoe NAKASHA, Gaku FUKUHARA
426
Fluorescent Force Probe for Evaluating Nanoscale Stress Concentration of Polymers Ryota KOTANI, Shohei SAITO
428
Cellulose-Based Cholesteric Liquid Crystalline Elastomers for Visualization of Mechanical Stress and Strain Kenichiro HAYATA, Naoto IWATA, Seiichi FURUMI
430
Development of Mechano-Optical Sensing Materials for Polymer Robotics Kyohei HISANO, Osamu TSUTSUMI
432

Polymer Science and I: A Personal Account
Physics Never Ends Naoyuki SAKUMICHI
434

Messages: “Work and Life”
Different Working Cultures in Japan, Sweden, and Switzerland Kae SATO
435

Front-Line Polymer Science
Structure and Dynamics of Macromolecules Observed by Terahertz Spectroscopy Hiromichi HOSHINA
436

Messages from SPSJ
441
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