S-Shaped Double Helicene Diimides: Synthesis, Self-Assembly, and Mechanofluorochromism.
Sign Up to like & getrecommendations! Published in 2021 at "Organic letters"
DOI: 10.1021/acs.orglett.1c00678
Abstract: Herein we present a synthesis of an S-shaped double helicene with fused imide moieties, achieving a contorted aromatic diimide (DHDI) with good fluorescence properties in both solution and the solid state. DHDI demonstrates distinct mechanofluorochromism… read more here.
Keywords: shaped double; mechanofluorochromism; double helicene; helicene diimides ... See more keywords
Dual-Aptamer-Assisted Ratiometric SERS Biosensor for Ultrasensitive and Precise Identification of Breast Cancer Exosomes.
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DOI: 10.1021/acssensors.2c02587
Abstract: Due to the heterogeneity of breast cancer, its early accurate diagnosis remains a challenge. Exosomes carry abundant genetic materials and proteins and are ideal biomarkers for early cancer detection. Herein, a ratiometric surface-enhanced Raman scattering… read more here.
Keywords: dna; sers biosensor; breast cancer; shaped double ... See more keywords
Category of upper eyelid morphology and the preferred double eyelid shape in Asians according to questionnaire survey.
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DOI: 10.1111/jocd.15822
Abstract: BACKGROUND The morphological classification of the upper eyelid in Asian people is complex and diverse and usually not consistent with what we know well. AIMS To improve the classification of upper eyelid morphology and investigate… read more here.
Keywords: fan shaped; double eyelid; upper eyelid; shaped double ... See more keywords
Thiophene/selenophene-based S-shaped double helicenes: regioselective synthesis and structures
Sign Up to like & getrecommendations! Published in 2022 at "Beilstein Journal of Organic Chemistry"
DOI: 10.3762/bjoc.18.81
Abstract: 2,5-Di(trimethylsilanyl)dithieno[2,3-b:3′,2′-d]thiophene ((TMS)2-bb-DTT), 2,5-di(trimethylsilanyl)diseleno[2,3-b:3′,2′-d]thiophene ((TMS)2-bb-DST), and 2,5-di(trimethylsilanyl)diseleno[2,3-b:3′,2′-d] selenophene ((TMS)2-bb-DSS) were used as starting materials to synthesize three S-shaped double helicenes (i.e., DH-1, DH-2, and DH-3) through monobromination, formylation, the Wittig reaction, and double oxidative photocyclization. The… read more here.
Keywords: selenophene based; double helicenes; thiophene selenophene; shaped double ... See more keywords