Molecularly imprinting polymer (MIPs) is an emerging technology that could provide an alternative path to produce receptor-like binding sites. The technology involves complex bond formation between target molecules (templates), and functional monomers can occur insolvent. MIPS embedded with Quantum Dots (QDs) as a sensor is used for extraction and detection of various compounds. QDs have fluorescence properties and electronic characteristics such as comprehensive and continuous absorption spectra, narrow emission spectra, and high light resistance. Crocin is the major metabolite obtained from saffron (Crocus sativus). It is widely used as an antioxidant, antidiabetic, antitumor, and anticancer agent. According to recent studies, crocin has been used for drug delivery to treat various diseases. Therefore, the isolation, extraction and detection of crocin from saffron are of prime importance. Developing a selective extraction and detection technique for crocin would assist in its separation and purification easily from saffron stigmas. MIPs encapsulated with QDs is a promising tool for the extraction and detection of various compound, and this technique could also be employed for crocin. In this review, a brief summary of MIPs, QDs and MIP-QDs sensors has been summarised. Moreover, an effort has been made to review how MIPs encapsulated with QDs can be used as the best alternative for efficiently extracting and detecting crocin.
In the recent times, the demand of the energy and the environmental pollution is the main concern of the global. Due to their significant chemical, physical and magnetic properties spinel-based materials are prominently used in the field of photocatalysis and water splitting. In the present report is emphasis on the fundamental's understandings for their size, shape, chemical and the degradation of various pharmaceutical drugs, pesticides, and textile dye materials. This report explained the way of formation, characteristics and the wide applications of the spinel-based materials in the vast energy and environmental research. Based on the future prospectus of the energy and the cost effectiveness this spinel-based materials plays an important role in hydrogen generation as well as in catalytic activities.
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