The most likely document you are looking for is or a revised edition of his famous notes, as Masao Doi published a significant textbook update around that time.
Soft matter refers to a class of materials—including polymers, colloids, liquid crystals, surfactants, and biological membranes—that share a common trait: they are easily deformed by thermal fluctuations or external forces. soft matter physics masao doi pdf 2021
While the copyright usually prevents direct linking to a full PDF, the book is widely available through university libraries and Springer's platform. Below are the details and a link to the official resource. The most likely document you are looking for
Masao Doi's foundational 2013 textbook, Soft Matter Physics , remains the primary resource for understanding materials that exhibit strong responses to weak actions, such as polymers and colloids. While no 2021 textbook exists, Doi's ongoing work, including research on the Conservation-Dissipation Formalism, is accessible through his academic profile. Explore his lecture notes and research publications at mdoi.jp . Soft matter physics in applications - Masao Doi's Home Page Below are the details and a link to the official resource
