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Proteins are the building blocks of life, regarded as one of the most complex and crucial biomacromolecules in biological systems, and playing a significant role in executing genes and transferring genetic information. According to recent research, due to the structural intricacy of proteins and their sensitivity to physical and chemical degradation processes, they could be utilized as biomarkers or therapeutic agents in the diagnosis, treatment, or even prevention of different diseases. Therefore, modern pathways have been developed for understanding the function of proteins, resulting in intriguing approaches in the field of protein‐related diseases. The diagnostic strategies to deal with such diseases, including protein analysis, protein quantification, and protein imaging, were argued in depth. Meanwhile, the aggregation‐induced emission (AIE) concept and its potential applications for real‐time imaging make AIE luminogens (AIEgen) attractive for protein imaging. In general, AIEgens refer to those luminogenic chemicals that are nonluminescent in solution, but luminescent in either the aggregated or solid states. This review is focused on the emergence of AIE materials in protein tracking, detecting, and imaging for medical applications.

Titanium oxide (TiO2) nanoparticle coatings were deposited on the 316L stainless steel substrates by sol‐gel method. The morphology, structure, and corrosion resistance of the coating were analyzed using SEM, AFM, X‐ray diffraction, and electrochemical techniques. The deposition parameters employed to realize the anticorrosion performance including calcinations temperature, polyethylene glycol (PEG) content, pH value, and number of dipping cycles were investigated. Taguchi statistical experiments were carried out to determine the influence of the deposition variables on anticorrosion properties and optimal conditions. The results indicated that a higher anticorrosion performance of TiO2 films could be achieved using 1 g of PEG in a sol with pH in range of 7–9, six cycles of dipping, and calcination temperature at 400°C. The Tafel polarization measurements indicate that icorr value decreases about 200 times and the Rcorr value increases around 57 times compared with uncoated 316L stainless steel.

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