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      Fully Printed Geranium-Inspired Encapsulated Arrays for Quantitative Odor Releasing

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          Abstract

          Olfactory is an extremely fine way of perception. However, the process of smelling is prone to various interference factors. Further development to enhance the communication desires an odor-releasing strategy, which could quantitatively offer a variety of fragrances. Here, we report a fully printing strategy to heterogeneously integrate odor-containing materials and protective coating films. Inspired from the fragrance-containing drum structure on the geranium leaf, encapsulated arrays are fully printed on the flexible or rigid substrates with more than 20 spices. Quantitative concentrations of odor molecules can be released from the encapsulated arrays after scraping the protective poly(lactic- co-glycolic) acid (PLGA) shells. Importantly, various odor-based arrays are printed on the same flexible substrate, which permits selective releasing and arbitrary mixing of the spices. Effective odor-releasing properties of encapsulated arrays make them promising for food security and anticounterfeiting, investigating olfactory discrimination abilities, and strengthening olfactory communication.

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          Most cited references29

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          Oil/water separation with selective superantiwetting/superwetting surface materials.

          The separation of oil from oily water is an important pursuit because of increasing worldwide oil pollution. Separation by the use of materials with selective oil/water absorption is a relatively recent area of development, yet highly promising. Owing to their selective superantiwetting/superwetting properties towards water and oil, superhydrophobic/superoleophilic surfaces and underwater superoleophobic surfaces have been developed for the separation of oil/water-free mixtures and emulsions. In this Review, after a short introduction to oil/water separation, we describe the principles of materials with selective oil/water absorption and outline recent advances in oil/water separation with superwetting/superantiwetting materials, including their design, their fabrication, and models of experimental setups. Finally, we discuss the current state of this new field and point out the remaining problems and future challenges.
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            Association Between Olfactory Dysfunction and Amnestic Mild Cognitive Impairment and Alzheimer Disease Dementia.

            To increase the opportunity to delay or prevent mild cognitive impairment (MCI) or Alzheimer disease (AD) dementia, markers of early detection are essential. Olfactory impairment may be an important clinical marker and predictor of these conditions and may help identify persons at increased risk.
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              Olfaction as a marker for depression

              Olfactory and emotional higher processing pathways share common anatomical substrates. Hence, depression is often accompanied by alterations in olfactory function. These alterations are negative in nature and may involve decreased activation in olfactory eloquent structures or decreased volume in the olfactory bulb (OB). We suggest that olfaction and depression interact in two ways. First, olfactory function in depression is impaired as a consequence of reduced olfactory attention and diminished olfactory receptor turnover rates. Second, the OB may constitute a marker for enhanced vulnerability to depression. Closer analysis of these interactions may help to explain observed experimental data, as well as to elucidate new therapeutic strategies involving olfaction. Because of the difficulties to disentangle cause from consequence in the relationship between olfaction and depression, longitudinal and intervention studies are necessary to elucidate this further.
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                Author and article information

                Journal
                ACS Omega
                ACS Omega
                ao
                acsodf
                ACS Omega
                American Chemical Society
                2470-1343
                14 November 2019
                26 November 2019
                : 4
                : 22
                : 19977-19982
                Affiliations
                []Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS) , Zhongguancun North First Street 2, 100190 Beijing, P. R. China
                []Research Center for Green Printing Nanophotonic Materials, Suzhou University of Science and Technology , 215009 Suzhou, P. R. China
                [§ ]University of Chinese Academy of Sciences , Yuquan Road No.19A, 100049 Beijing, P. R. China
                Author notes
                [* ]E-mail: ylsong@ 123456iccas.ac.cn (Y.S.).
                [* ]E-mail: sumeng1988@ 123456iccas.ac.cn (M.S.).
                Article
                10.1021/acsomega.9b02916
                6882128
                c451970c-f490-498c-9788-bef7caac0a1c
                Copyright © 2019 American Chemical Society

                This is an open access article published under an ACS AuthorChoice License, which permits copying and redistribution of the article or any adaptations for non-commercial purposes.

                History
                : 06 September 2019
                : 18 October 2019
                Categories
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                Custom metadata
                ao9b02916
                ao9b02916

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