A light click away: The first application of the thiol-yne reaction to nanoparticle functionalization is described (see figure). This metal-free click chemistry approach is compatible with the addition of various molecules at the surface and can be combined with CuAAC methodology to perform chemoselective double functionalization.
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http://dx.doi.org/10.1002/chem.201300903 | DOI Listing |
Front Psychol
December 2024
Department of Psychology, Emory University, Atlanta, GA, United States.
Introduction: Implicit statistical learning is, by definition, learning that occurs without conscious awareness. However, measures that putatively assess implicit statistical learning often require explicit reflection, for example, deciding if a sequence is 'grammatical' or 'ungrammatical'. By contrast, 'processing-based' tasks can measure learning without requiring conscious reflection, by measuring processes that are facilitated by implicit statistical learning.
View Article and Find Full Text PDFBMC Musculoskelet Disord
December 2024
Department of Orthopedics, Hainan Hospital of PLA General Hospital, Hainan, China.
Background: Prolonged dependence on mechanical ventilation is a common occurrence in clinical ICU patients and presents significant challenges for patient care and resource allocation. Predicting prolonged dependence on mechanical ventilation is crucial for improving patient outcomes, preventing ventilator-associated complications, and guiding targeted clinical interventions. However, specific tools for predicting prolonged mechanical ventilation among ICU patients, particularly those with critical orthopaedic trauma, are currently lacking.
View Article and Find Full Text PDFBiosens Bioelectron
December 2024
College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, Heilongjiang 150040, PR China. Electronic address:
The widely recognized phytohormone, salicylic acid (SA), serves not only as an exogenous additive for fruits and vegetables but, more crucially, as an in vivo regulator of the entire plant growth process. Consequently, it is essential to achieve both in vitro detection and in vivo imaging analysis of the plant hormone SA. In this study, a biocompatible supramolecular probe was crafted using a "label-free" SA aptamer as the host for an aggregation-induced emission (AIE) organic small molecule.
View Article and Find Full Text PDFJ Sep Sci
December 2024
Institute of Pharmaceutical Sciences, Pharmaceutical (Bio-)Analysis, University of Tübingen, Tübingen, Germany.
The present work reports on the preparation, characterization, and evaluation of a set of novel triphenyl-modified silica-based stationary phases without and with embedded ion-exchange sites for mixed-mode liquid chromatography. The three synthesized triphenyl phases differed in additionally incorporated ion-exchange sites. In one embodiment, allyltriphenylsilane was bonded to thiol-modified silica by thiol-ene click reaction, leading to particles with no ion-exchange sites.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
December 2024
Laboratory of Medicinal Chemical Biology, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, College of Pharmaceutical Sciences, Suzhou Medical College of Soochow University, Suzhou, 215123, China.
Bioorthogonalized light-responsive click-and-uncage platform has enabled precise cell surface engineering and timed payload release, but most of such photoactivatable prodrugs have "always-on" photoactivity leading to the dark toxicity. On the other hand, the conditionally activatable photocage is limited to the application of fluorogenic probe/photosensitizer liberation. Herein, we devise a conditionally activatable theranostic platform based on the tetrazine (Tz)-boron-dipyrromethene (BODIPY) construct, in which tetrazine serves as a quencher motif to disable both the fluorescence and photoresponsivity of BODIPY.
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