Agents and methods for imaging a cell and/or a portion of tissue characterized by fibrosis, as well as to agents and methods for determining and/or diagnosing fibrotic diseases are disclosed herein. Also disclosed herein are polymer conjugates that can include a detectable label, a retinoid and a polymer. The polymer conjugates can be used to image a portion of tissue, deliver a detectable label to a portion of tissue or a cell and/or diagnosis a condition or disease.本文揭示用於將具纖維化特徵之一細胞及/或一部分組織造影成像之試劑及方法，並揭示用於判定及/或診斷纖維化疾病之試劑及方法。本文還揭示可包含一檢測標記、一類視色素及一聚合物之聚合共軛體。該聚合共軛體可用於將一部分組織造影成像、將一檢測標記傳送至一部分組織或一細胞及/或診斷一病況或疾病。
