Photocatalytic CO(2) reduction has been studied for two dyads with porphyrin covalently attached to rhenium tricarbonyl bipyridine moieties, and on separate components consisting of [Re(CO)(3)(Picoline)Bpy](+) and either zinc porphyrin or zinc chlorin. TONs decrease in the order: zinc porphyrin + Re > long spacer dyad > zinc chlorin + Re > short spacer dyad.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1039/c2cc33308b | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Highly efficient electrochemiluminescent properties of porphyrin-based metal-organic framework Zn-TCPP and its immunoassay application to the detection of ochratoxin A.
Anal Chim Acta
November 2024
The Key Lab of Health Chemistry & Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering & Materials Science, Soochow University, Suzhou, 215123, PR China; Center of Self-Propelled Nanotechnologies, Suzhou Industrial Park Institute of Services Outsourcing, Suzhou, 215123, PR China. Electronic address:
Article Synopsis
- Ochratoxin A (OTA) is a harmful mycotoxin found in food that poses health risks, making its detection in cereal-based foods crucial.
- A novel sensor was developed using zinc-tetrakis (4-carboxyphenyl) porphyrin (Zn-TCPP) nanorods and BiS@Au nanoflowers, which enhanced luminescence signals and allowed for the ultra-sensitive detection of OTA in various food samples.
- This innovative approach not only effectively detects OTA at very low concentrations (as low as 0.13 pg/mL) but also offers a promising research avenue for analyzing other mycotoxins and advancing the study of metal-organic frameworks.
Encapsulation of an Au Nanocluster inside a Porphyrin Nanoring Enhances Singlet Oxygen Generation and Photo-Electrocatalytic CO Reduction.
Angew Chem Int Ed Engl
October 2024
Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet,1211, Geneva 4, Switzerland.
Article Synopsis
- The study focuses on creating enhanced host-guest complexes using a gold nanocluster and a zinc porphyrin nanoring, which is important in supramolecular chemistry.
- Strong binding was observed between the gold nanocluster and the six-unit zinc porphyrin nanoring, confirmed through various analytical techniques including UV/Vis absorption and mass spectrometry.
- The resulting complex not only stabilizes the gold nanocluster but also shows improved activity and selectivity in photochemical reactions, specifically converting carbon monoxide and generating singlet oxygen.
Nanohoops Favour Light-Induced Energy Transfer over Charge Separation in Porphyrin/[10]CPP/Fullerene Rotaxanes.
Angew Chem Int Ed Engl
January 2025
Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany.
[2]Rotaxanes offer unique opportunities for studying and modulating charge separation and energy transfer, because the mechanical bond allows the robust, yet spatially dynamic tethering of photoactive groups. In this work, we synthesized [2]rotaxane triads comprising a central (aza)[10]CPP⊃C bis-adduct complex and two zinc porphyrin stoppers to address how the movable nanohoop affects light-induced charge separation and energy transfer between the rotaxane subcomponents. We found that neither the parent nanohoop [10]CPP nor its electron-deficient analogue aza[10]CPP actively participate in charge separation.
View Article and Find Full Text PDFHuman Urinary Kallidinogenase improves vascular endothelial injury by activating the Nrf2/HO-1 signaling pathway.
Chem Biol Interact
November 2024
Department of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Jiangsu, 211100, PR China. Electronic address:
Vascular endothelial injury is closely related to the progression of various cardio-cerebrovascular diseases. Whether Human Urinary Kallidinogenase (HUK) has a protective effect on endothelial injury remains unclear. This study established an in vivo model of rat common carotid artery intima injury and an in vitro model of human umbilical vein endothelial cell (HUVECs) injury induced by hydrogen peroxide (HO).
View Article and Find Full Text PDFTemperature-Dependent Left- and Right-Twisted Conformational Changes in 1 : 1 Host-Guest Systems: Theoretical Modeling and Chiroptical Simulations.
Angew Chem Int Ed Engl
January 2025
International Institute for Sustainability with Knotted Chiral Meta Matter (WPI-SKCM2), Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8526, Japan.
An efficient strategy for high-performance chiral materials is to design and synthesize host molecules with left- and right- (M- and P-)twisted conformations and to control their twisted conformations. For this, a quantitative analysis is required to describe the chiroptical inversion, chiral transfer, and chiral recognition in the host-guest systems, which is generally performed using circular dichroism (CD) and/or proton nuclear magnetic resonance (H NMR) spectroscopies. However, the mass-balance model that considers the M- and P-twisted conformations has not yet been established.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!