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In the past two decades, mesoporous TiO2has emerged as a promising material for biosensing applications. In particular, mesoporous TiO2materials with uniform, well-organized pores and high surface areas typically exhibit superior biosensing performance, which includes high sensitivity, broad linear response, low detection limit, good reproducibility, and high specificity. Therefore, the development of biosensors based on mesoporous TiO2has significantly intensified in recent years. In this review, the expansion and advancement of mesoporous TiO2-based biosensors for glucose detection, hydrogen peroxide detection, alpha-fetoprotein detection, immobilization of enzymes, proteins, and bacteria, cholesterol detection, pancreatic cancer detection, detection of DNA damage, kanamycin detection, hypoxanthine detection, and dichlorvos detection are summarized. Finally, the future perspective and research outlook on the utilization of mesoporous TiO2-based biosensors for the practical diagnosis of diseases and detection of hazardous substances are also given.

With this research the author examines "Consumer Legal Protection for Using JNE Expedition Services (Jalur Nugraha Ekakurir) Head Office in Pekanbaru City", the author's reason for researching and raising the title of this research is because when the author made field observations first the author found so many consumers who suffered losses due to goods delivery services carried out by the Pekanbaru city JNE Expedition company, the things that were meant were goods that were damaged during operation, goods that were destroyed in the shipping package, goods that were late to the sender's address, and also goods that were lost when delivery or when in operation or in the storage warehouse of the business actor of the Pekanbaru City JNE Expeditionary Company. And is there any compensation provided by the Pekanbaru City JNE Expedition company to consumers who are harmed. The problem in this research is how is the legal protection for consumers who suffer losses by the JNE expedition company and what is the compensation provided by the JNE expedition company in Pekanbaru city to consumers. This thesis research uses observational research and the nature of the research used is analytical descriptive. The data was obtained using a tool in the form of interviews. The results of research and data analysis carried out by the author of consumer legal protection for the use of JNE expedition services (Jalur nugraha ekakurir) head office in Pekabaru city are generally carried out by law enforcement of statutory regulations no. 8 of 1999 concerning consumer protection. In accordance with what is regulated in Article 4 paragraph 1 that consumers have the right to comfort, security and safety in consuming goods and/or services. And also in Article 7 (f) and (g) of Law No. 8 of 1999 concerning consumer protection, namely providing compensation, compensation and/or compensation for losses due to the use, use and utilization of traded goods and/or services. And provide compe