The preparation of novel stable radical systems that survive and may be manipulated under harsh conditions is essential for their practical applications, such as energy storage conversion materials. Here, we present a facile synthesis an electrically neutral benzo-fused nickel corrole shows remarkable photo- thermal stability. carbon-based organic character was confirmed using electron spin resonance population analyses. This reversibly converted to its aromatic or antiaromatic ion via...

Abstract Open‐shell radicals are promising near‐infrared (NIR) photothermal agents (PTAs) owing to their easily accessible narrow band gaps, but stabilization and functionalization remain challenging. Herein, highly stable π‐extended nickel corrole with [4n+1] π systems synthesized used prepare NIR‐absorbing PTAs for efficient phototheranostics. The light‐harvesting ability of gradually improves as the number fused benzene rings on β‐pyrrolic locations increases radially, naphthalene‐...

Image restoration is the task of aiming to obtain a high-quality image from corrupt input image, such as deblurring and deraining. In restoration, it typically necessary maintain complex balance between spatial details contextual information. Although multi-stage network can optimally these competing goals achieve significant performance, this also increases system's complexity. paper, we propose mountain-shaped single-stage design base on simple U-Net architecture, which removes or replaces...

We report a series of ethenylene-bridged D-π-A BODIPY-xanthene hybrid dyes with precisely regulated absorption bands ranging from the far-red to near-infrared region (NIR, 700-1000 nm) through rational molecular design. These have excellent photoacoustic properties, and their biocompatibility can be significantly improved by facilely introducing water-soluble groups. In vivo two-channel multiplexed imaging demonstrated high-resolution capabilities, making them promising candidates for future...

Low-density lipoprotein (LDL), especially oxidative modified LDL (Ox-LDL), is the key risk factor for plaque accumulation and development of cardiovascular disease. Herein, a highly specific Ox-LDL-triggered fluorogenic-colorimetric probe Pro-P1 developed visualizing oxidation aggregation progress lipoproteins plaque. A series green fluorescent protein chromophores with donor-acceptor structures, containing carbazole as an electron donor various substituents including pyridine-vinyl (P1),...

Diverse chemical species such as ions and molecules exist within living cells organisms undergoing dynamic changes in their local environment by a web of continuously interacting reactions. Reaction‐based fluorescent probes with highly sought reversible feature can provide real‐time monitor the concentration dynamics (increases decreases) species, thus ideally suited to understand physiological function, pathogenic mechanisms corresponding bio‐species regulation cellular function disease...

Image restoration is a long-standing low-level vision problem, e.g., deblurring and deraining. In the process of image restoration, it necessary to consider not only spatial details contextual information ensure quality, but also system complexity. Although many methods have been able guarantee quality complexity state-of-the-art (SOTA) increasing as well. Motivated by this, we present mixed hierarchy network that can balance these competing goals. Our main proposal architecture,...

A dual meso /β-substituent regulation strategy is reported for effective energy-gap narrowing of porphyrins. The complexes -alkynyl naphthoporphyrins exhibit remarkable red-shifted near-infrared absorption/emission ranging from 800 to 1400 nm.

The synthesis and characterization of 2,7-diphenyl- 2,7-dithienyl-1,3,6,8-tetramethyl bis(difluoroboron)-1,2-bis((1<italic>H</italic>-pyrrol-2-yl)methylene)hydrazine (BOPHY) derivatives <bold>1</bold> <bold>2</bold> are described.

Corrole is a tetrapyrrolic ring-contracted porphyrin analog with one direct pyrrole-pyrrole link. The corrole macrocycle electron-rich and easily stabilized in its electron oxidized radical state, especially when coordinated to some specific metal ions. radicals their complexes have demonstrated excellent air stability, amphoteric redox properties, diversified spin configurations. Herein, we summarize the recent developments synthesis properties of various radicals, including [Formula: see...

Abstract Open‐shell radicals are promising near‐infrared (NIR) photothermal agents (PTAs) owing to their easily accessible narrow band gaps, but stabilization and functionalization remain challenging. Herein, highly stable π‐extended nickel corrole with [4n+1] π systems synthesized used prepare NIR‐absorbing PTAs for efficient phototheranostics. The light‐harvesting ability of gradually improves as the number fused benzene rings on β‐pyrrolic locations increases radially, naphthalene‐...

We report a nickel( ii ) 17π neutral corrole radical with degenerate SOMO–HOMO energy levels and its unique 16π antiaromatic diradicaloid cation. The 16/17π species are reversibly switchable both exhibit excellent air stability.

A new class of monoanionic N^N ligand, pyridyl/isoquinolyl-imine-isoindoline (L1 and L2), have been selected as ancillary ligands to form two novel neutral cyclometalated heteroleptic iridium complexes (Ir(III)(dfppy)2(LN^N)), in which dfppy is the ligand 2-(2′,4′-difluorophenyl)pyridine. Both exhibit broad emission spectra at red-visible region. By fusion with benzene ring further bathochromic shift band deeper red region (centred 665 nm solid phase) can be achieved. An analysis...

The estimation of spacecraft pose is crucial in numerous space missions, including rendezvous and docking, debris removal, on-orbit maintenance. Estimating the objects significantly more challenging than that on Earth, primarily due to widely varying lighting conditions, low resolution, limited amount data available images. Our main proposal a new deep learning neural network architecture, which can effectively extract orbiting features from images captured by inverse synthetic aperture...

Inverse Synthetic Aperture Radar (ISAR) is a popular space object detection method. However, due to the complex flight conditions of spacecraft and limited observation time, resolution ISAR images are reduced. Although there many methods image super resolution, but none them aim at spacecraft. To this end, in letter, we analyze characteristics images, firstly propose an approach Space Super Resolution Network(SSRN), suitable for images. Specially, our designed utilize repetitive structures...

Abstract Photocyclization, irrespective of whether multiple steps (e.g., Norrish–Yang cyclization) or a single concerted step 6π photocyclization) are involved, is an intramolecular photochemical process resulting in the formation one new bond to afford ring system. In particular, visible‐light‐induced photocyclization offers green and sustainable route organic cyclic compounds that difficult access by thermal reactions. Herein, we describe ambient light‐induced series donor/acceptor...

Image deblurring is a process of restoring high quality image from the corresponding blurred image. Significant progress in this field has been made possible by emergence various effective deep learning models, including CNNs and Transformers. However, these methods often face dilemma between eliminating long-range blur degradation perturbations maintaining computational efficiency, which hinders their practical application. To address issue, we propose an efficient network that leverages...