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Biomimetic Fingerprint-like Unclonable Optical Anticounterfeiting System with Selectively In Situ-Synthesized Perovskite Quantum Dots Embedded in Spontaneous-Phase-Separated Polymers.
ACS Appl Mater Interfaces
January 2025
Institute of Optoelectronic Technology, Fuzhou University, Fuzhou 350116, China.
Anticounterfeiting technologies meet challenges in the Internet of Things era due to the rapidly growing volume of objects, their frequent connection with humans, and the accelerated advance of counterfeiting/cracking techniques. Here, we, inspired by biological fingerprints, present a simple anticounterfeiting system based on perovskite quantum dot (PQD) fingerprint physical unclonable function (FPUF) by cooperatively utilizing the spontaneous-phase separation of polymers and selective in situ synthesis PQDs as an entropy source. The FPUFs offer red, green, and blue full-color fingerprint identifiers and random three-dimensional (3D) morphology, which extends binary to multivalued encoding by tuning the perovskite and polymer components, enabling a high encoding capacity (about 10, far surpassing that of biometric fingerprints).
View Article and Find Full Text PDFStrong self-association of chitosan microgels at interface mediated high stabilities in Pickering emulsion.
Int J Biol Macromol
December 2024
School of Chemistry and Chemical Engineering, North University of China, NO. 3 Xueyuan Road, Jiancaoping District, Taiyuan 030051, China. Electronic address:
The spontaneous self-organization of naturally-occurring polysaccharide particles into a thick and robust gel network at interface in Pickering emulsion is challenging. Inspired by the phenomenon that chitosan microgels (CSMs) with a certain size could self-associate into a solidified gel phase upon freezing, here we tentatively used CSMs to construct a highly-stable Pickering emulsion. CSMs can form a stable Langmuir's layer at the water/oil interface through the network deformation and re-arrangement of dangling chains, while the subsequent negative polymer coating can avoid the bridging resulting from the cross-association for CSMs on different emulsion droplets upon freezing.
View Article and Find Full Text PDFThe circRNA Landscape in Recurrent Pregnacy Loss (RPL): A Comparison of Four Reproductive Tissues.
Int J Mol Sci
November 2024
Department of Genetics, Physical Anthropology and Animal Physiology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Sarriena auzoa, 48940 Leioa, Spain.
Recurrent Pregnancy Loss (RPL), also named Recurrent Spontaneous Abortion (RSA), is a common fertility problem that refers to at least two consecutive pregnancy losses and affects 1-2% of couples all over the world. Despite common causes such as genetic abnormalities, uterine anomalies or hormonal and metabolic disorders, there is still a huge challenge in identifying the causes of about 40-60% of RPL patients. Circular RNAs (circRNAs) are endogenous ncRNAs with a unique closed-loop and single-stranded structure.
View Article and Find Full Text PDFChiral-Polar Alternating Cation Intercalation-Type Perovskite Enables Sensitive Self-Driven X-ray Detection with an Ultralow Detection Limit.
J Phys Chem Lett
December 2024
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
Metal halide perovskites (MHPs) have shown great potential for direct X-ray detection, but achieving high sensitivity without external bias remains challenging. Chiral-polar alternating cation intercalation (ACI)-type MHPs, with excellent optoelectronic properties and a robust chirality-induced bulk photovoltaic effect (BPVE), offer a promising platform for self-driven X-ray detection. Herein, impressive self-driven X-ray detection performance was achieved by utilizing chiral-polar 2D ACI-type perovskite single crystals of (-PPA)PAPbBr (; -PPA = -1-phenylpropylamine; PA = propylamine).
View Article and Find Full Text PDFA Case of Spontaneous Carotid-cavernous Fistula in a Patient with Vascular Ehlers-Danlos Syndrome.
NMC Case Rep J
November 2024
Department of Neurosurgery, Division of Clinical Neuroscience, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki, Japan.
Vascular Ehlers-Danlos syndrome (vEDS) is a rare disorder that is characterized by vascular lesions mainly caused by vascular fragility, such as spontaneous carotid-cavernous fistula (sCCF). We experienced a patient who presented with sCCF but suffered postoperative multiple vascular arteriopathy complications caused by undiagnosed vEDS. A 39-year-old woman who had no physical and medical characteristics indicating vEDS was referred to our hospital due to sudden onset of headache and pulsatile tinnitus.
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