bluuebunny/crossref_metadata_2025_split huggingface dataset:
Alumina Ceramic Textiles as Novel Bacteria‐Capturing Wound Dressings
Authors: Dutta Deepanjalee , Almeida Renato S. M. , Karim Md Nurul , Brüggemann Dorothea , Rezwan Kurosch , Maas Michael 
Published: April 2024

AbstractAlthough antimicrobial dressings have proven to be crucial in the treatment of wounds, they may give rise to antibiotic‐resistant strains or result in the release of endotoxins after bacterial death, which in turn inhibits wound healing. This study highlights the efficacy of a novel alumina ceramic textile as dressing that utilizes the principles of bacteria capture from the wound bed and inhibition of bacterial infiltration into the wound bed to reduce the bacterial burden and to inhibit the spread of infection, without the involvement of active antimicrobial substances or functional nanoparticles. The alumina textiles are compared to commercial dressings like the non‐woven mesh Cutimed Sorbact and gauzes from LEINA WERKE and performed significantly better in capturing bacteria. They are found to be effective against both Gram‐negative Escherichia coli and Gram‐positive Bacillus subtilis and show promising results in the presence of simulated wound fluid and in artificial wound bed tests from which they can be easily lifted without leaving behind any visible residues. In summary, the alumina textiles exhibit a highly efficient bacterial binding activity, possibly due to the intrinsic material properties of their hierarchical structure including the tricot knit mesh, small fiber diameters, pronounced fiber surface microtopography, and high specific surface area.
Wearable Piezoelectric Sensors Based on BaTiO3 Films for Sarcopenia Recognition
Authors: Han Shulang , Zeng Qinghao , Liang Ying , Xiao Qing , Chen Yu , Yan Fei , Xiong Yan , Yue Jirong , Tian Xiaobao 
Published: April 2024

AbstractSarcopenia recognition is very crucial in the early diagnosis of sarcopenia. However, the commonly used screening methods are limited by real‐time property, portability, and convenient usability at home. Herein, an electrospun BaTiO3 film is proposed and a piezoelectric sensor with silver electrodes and polyimide substrates is fabricated. The sensor exhibits high piezoelectricity (74.2 pC N−1), sensitivity, linearity, low detection limit (0.2 mN), and significant bending ability (bending angle can exceed 90°), maintaining stable output after more than 20 000 cycles during a week. Due to its excellent performance, the piezoelectric sensor to the recognition of sarcopenia is applied and a wearable system to collect piezoelectric signals from the lower limb movements of the elderly is developed. By selecting features from these signals, eight kinds of machine learning models are employed and their performances in recognizing sarcopenia are compared in both male and female groups. The results indicate that the artificial neural network (ANN) model has the highest performance, with accuracies of 92.9% in males and 98.1% in females. This piezoelectric sensor, combined with a wireless communication module, is expected to provide crucial evidence for sarcopenia detection, offering a new, convenient, and household screening solution for early diagnosis and prevention of sarcopenia.
Synthesis of Alkynylsilanes: A Review of the State of the Art
Authors: Kuciński Krzysztof 
Published: April 2024

AbstractThis contribution offers a comprehensive overview of methods for forging sp C−Si bonds. Over time, alkynylsilanes (silylacetylenes), once considered mere byproducts of hydrosilylation processes, have become essential building blocks in organic synthesis. This literature review traces the evolution of their synthesis, from traditional methodologies relying on organolithium and organomagnesium compounds to more advanced cross‐coupling reactions involving hydro‐ and carbosilanes. Focused primarily on the past 25 years (2000–2024), it also extensively references significant historical breakthroughs. By analyzing synthetic methodologies, the review not only offers a comprehensive survey of the current state of knowledge but also identifies areas for improvement. Furthermore, to emphasize the importance of 1‐alkynylsilanes (1‐silyl‐1‐alkynes), selected applications of these compounds are highlighted, confirming their significant potential in organic synthesis.
Artificial Q‐Grader: Machine Learning‐Enabled Intelligent Olfactory and Gustatory Sensing System
Authors: Jang Moonjeong , Bae Garam , Kwon Yeong Min , Cho Jae Hee , Lee Do Hyung , Kang Saewon , Yim Soonmin , Myung Sung , Lim Jongsun , Lee Sun Sook , Song Wooseok , An Ki‐Seok 
Published: April 2024

AbstractPortable and personalized artificial intelligence (AI)‐driven sensors mimicking human olfactory and gustatory systems have immense potential for the large‐scale deployment and autonomous monitoring systems of Internet of Things (IoT) devices. In this study, an artificial Q‐grader comprising surface‐engineered zinc oxide (ZnO) thin films is developed as the artificial nose, tongue, and AI‐based statistical data analysis as the artificial brain for identifying both aroma and flavor chemicals in coffee beans. A poly(vinylidene fluoride‐co‐hexafluoropropylene)/ZnO thin film transistor (TFT)‐based liquid sensor is the artificial tongue, and an Au, Ag, or Pd nanoparticles/ZnO nanohybrid gas sensor is the artificial nose. In order to classify the flavor of coffee beans (acetic acid (sourness), ethyl butyrate and 2‐furanmethanol (sweetness), caffeine (bitterness)) and the origin of coffee beans (Papua New Guinea, Brazil, Ethiopia, and Colombia‐decaffeine), rational combination of TFT transfer and dynamic response curves capture the liquids and gases‐dependent electrical transport behavior and principal component analysis (PCA)‐assisted machine learning (ML) is implemented. A PCA‐assisted ML model distinguished the four target flavors with >92% prediction accuracy. ML‐based regression model predicts the flavor chemical concentrations with >99% accuracy. Also, the classification model successfully distinguished four different types of coffee‐bean with 100% accuracy.
Remediation of Metal Oxide Nanotoxicity with a Functional Amyloid
Authors: Wang Yue , Liang Xiufang , Andrikopoulos Nicholas , Tang Huayuan , He Fei , Yin Xiang , Li Yuhuan , Ding Feng , Peng Guotao , Mortimer Monika , Ke Pu Chun 
Published: April 2024

AbstractUnderstanding the environmental health and safety of nanomaterials (NanoEHS) is essential for the sustained development of nanotechnology. Although extensive research over the past two decades has elucidated the phenomena, mechanisms, and implications of nanomaterials in cellular and organismal models, the active remediation of the adverse biological and environmental effects of nanomaterials remains largely unexplored. Inspired by recent developments in functional amyloids for biomedical and environmental engineering, this work shows their new utility as metallothionein mimics in the strategically important area of NanoEHS. Specifically, metal ions released from CuO and ZnO nanoparticles are sequestered through cysteine coordination and electrostatic interactions with beta‐lactoglobulin (bLg) amyloid, as revealed by inductively coupled plasma mass spectrometry and molecular dynamics simulations. The toxicity of the metal oxide nanoparticles is subsequently mitigated by functional amyloids, as validated by cell viability and apoptosis assays in vitro and murine survival and biomarker assays in vivo. As bLg amyloid fibrils can be readily produced from whey in large quantities at a low cost, the study offers a crucial strategy for remediating the biological and environmental footprints of transition metal oxide nanomaterials.
Massively Reconstructing Hydrogen Bonding Network and Coordination Structure Enabled by a Natural Multifunctional Co‐Solvent for Practical Aqueous Zn‐Ion Batteries
Authors: Yu Yuanze , Zhang Qian , Zhang Pengfei , Jia Xu , Song Hongjiang , Zhong Shengkui , Liu Jie 
Published: April 2024

AbstractThe practical application of aqueous Zn‐ion batteries (AZIBs) is hindered by the crazy Zn dendrites growth and the H2O‐induced side reactions, which rapidly consume the Zn anode and H2O molecules, especially under the lean electrolyte and Zn anode. Herein, a natural disaccharide, d‐trehalose (DT), is exploited as a novel multifunctional co‐solvent to address the above issues. Molecular dynamics simulations and spectral characterizations demonstrate that DT with abundant polar −OH groups can form strong interactions with Zn2+ ions and H2O molecules, and thus massively reconstruct the coordination structure of Zn2+ ions and the hydrogen bonding network of the electrolyte. Especially, the strong H‐bonds between DT and H2O molecules can not only effectively suppress the H2O activity but also prevent the rearrangement of H2O molecules at low temperature. Consequently, the AZIBs using DT30 electrolyte can show high cycling stability even under lean electrolyte (E/C ratio = 2.95 µL mAh−1), low N/P ratio (3.4), and low temperature (−12 °C). As a proof‐of‐concept, a Zn||LiFePO4 pack with LiFePO4 loading as high as 506.49 mg can be achieved. Therefore, DT as an eco‐friendly multifunctional co‐solvent provides a sustainable and effective strategy for the practical application of AZIBs.
Dirac Cones and Room Temperature Polariton Lasing Evidenced in an Organic Honeycomb Lattice
Authors: Betzold Simon , Düreth Johannes , Dusel Marco , Emmerling Monika , Bieganowska Antonina , Ohmer Jürgen , Fischer Utz , Höfling Sven , Klembt Sebastian 
Published: April 2024

AbstractArtificial 1D and 2D lattices have emerged as a powerful platform for the emulation of lattice Hamiltonians, the fundamental study of collective many‐body effects, and phenomena arising from non‐trivial topology. Exciton‐polaritons, bosonic part‐light and part‐matter quasiparticles, combine pronounced nonlinearities with the possibility of on‐chip implementation. In this context, organic semiconductors embedded in microcavities have proven to be versatile candidates to study nonlinear many‐body physics and bosonic condensation, and in contrast to most inorganic systems, they allow the use at ambient conditions since they host ultra‐stable Frenkel excitons. A well‐controlled, high‐quality optical lattice is implemented that accommodates light‐matter quasiparticles. The realized polariton graphene presents with excellent cavity quality factors, showing distinct signatures of Dirac cone and flatband dispersions as well as polariton lasing at room temperature. This is realized by filling coupled dielectric microcavities with the fluorescent protein mCherry. The emergence of a coherent polariton condensate at ambient conditions are demonstrated, taking advantage of coupling conditions as precise and controllable as in state‐of‐the‐art inorganic semiconductor‐based systems, without the limitations of e.g. lattice matching in epitaxial growth. This progress allows straightforward extension to more complex systems, such as the study of topological phenomena in 2D lattices including topological lasers and non‐Hermitian optics.
Electron Donating Functional Polymer Dielectrics to Reduce the Threshold Voltage of n‐Type Organic Thin‐Film Transistors
Authors: Ronnasi Bahar , King Benjamin , Brixi Samantha , Swaraj Sufal , Niskanen Jukka , Lessard Benoît H. 
Published: April 2024

AbstractLow‐cost and high‐performance electronics based on synthetically simple materials are required to fuel the deployment of smart packaging and wearable electronics. Metal phthalocyanines (MPcs) are promising semiconductors for use in n‐type organic thin film transistors (OTFTs) but often require high operating voltages. The first silicon phthalocyanine‐based OTFT with a polymer dielectric is reported as an alternative to traditional metal oxide dielectrics. Incorporating poly(methyl methacrylate) (PMMA) as the dielectric successfully reduces the threshold voltage (VT) of bispentafluorophenoxy SiPc (F10‐SiPc) from 14.9V to 7.3V while retaining high mobility. Further reduction in VT is obtained by using copolymers and blends of PMMA and dimethylamino ethyl methacrylate (DMAEMA)‐containing polymers, where a higher molar fraction of DMAEMA leads to a consistent drop in VT to ‐0.7 V. The electron‐donating groups of the tertiary amines in the DMAEMA show clear interfacial doping of the semiconductor, reducing the voltage required to populate the dielectric/semiconductor interface with charge carriers and turn on the device. Blending trace amounts of DMAEMA‐containing copolymers with PMMA proves to be an effective strategy for reducing the VT while keeping the charge mobility high, unlike when using pure copolymers with elevated DMAEMA content. Time of flight secondary ion mass spectroscopy (ToF‐SIMS) and X‐ray photoelectron spectroscopy (XPS) demonstrate that the DMAEMA‐containing copolymer is floating to the surface of the PMMA blend at the dielectric–semiconductor interface, which explains the reduced VT. Synchrotron scanning transmission X‐ray microscopy (STXM) demonstrates that PMMA promotes a more edge‐on orientation of F10‐SiPc films, compared to the more face‐on orientation when deposited on the DMAEMA containing copolymer. This study demonstrates a straightforward process for designing dielectric polymers and their blends for the reduction in VT for n‐type OTFTs.
Advancing Post‐Secondary Batteries under Lean Electrolyte Conditions through Interfacial Modification Strategies
Authors: Nam Myeong Gyun , Jeong Seong Woo , Yoo Pil Jin 
Published: April 2024

AbstractIn response to the growing global demand for portable electronics and electric vehicles, there is an escalating interest in developing advanced battery technologies with superior energy density. Research efforts are focused on unveiling post‐lithium‐ion batteries (LIBs) that outperform the performance of current LIBs through the use of innovative active electrode materials. Yet, these technological advancements face significant hurdles, primarily due to intricate interfacial issues within battery components. In laboratory‐scale studies, these challenges often lead to the utilization of excess electrolytes, which complicates the precise evaluation of battery performance. This review emphasizes the significance of designing future batteries that operate effectively under lean electrolyte usage conditions. It discusses essential principles, obstacles, and diverse strategies for interfacial modification, including in situ growth, coating of supportive layers, and embedding of active substances in pre‐structured templates. Furthermore, it compiles and examines data on the lean electrolyte conditions achieved in various battery systems, contrasting their energy densities with those of commercially established batteries. Ultimately, the potential of future batteries to achieve or even exceed the energy densities of existing commercial batteries is assessed, thereby offering a strategic roadmap for the progression of next‐generation battery technologies.
Chinese expert consensus on diagnosis and management of gastroesophageal reflux disease in the elderly (2023)
Authors: Fangxu Liu , Wenbin Li , Pan Zhang , Dan Chen , Xi Wu , Xue Xu , Jihua Shi , Qingfeng Luo , Le Xu , Songbai Zheng ,   Chinese Geriatrics Society
Published: April 2024

AbstractGastroesophageal reflux disease (GERD) in the elderly is characterized by atypical symptoms, relatively severe esophageal injury, and more complications, and when GERD is treated, it is also necessary to fully consider the general health condition of the elderly patients. This consensus summarized the epidemiology, pathogenesis, clinical manifestations, and diagnosis and treatment characteristics of GERD in the elderly, and provided relevant recommendations, providing guidance for medical personnel to correctly understand and standardize the diagnosis and treatment of GERD in the elderly.
Progressive reduction of nuclear receptor Nr4a1 mediates age‐dependent cognitive decline
Authors: Chen Jiang , Zhang Zhi , Liu Ying , Huang Lili , Liu Yi , Yang Dan , Bao Xinyu , Liu Pinyi , Ge Yuhan , Li Qingqing , Shu Xin , Xu Lushan , Shi Yun Stone , Zhu Xiaolei , Xu Yun 
Published: April 2024

AbstractINTRODUCTIONCognitive decline progresses with age, and Nr4a1 has been shown to participate in memory functions. However, the relationship between age‐related Nr4a1 reduction and cognitive decline is undefined.METHODSNr4a1 expressions were evaluated by quantitative PCR and immunochemical approaches. The cognition of mice was examined by multiple behavioral tests. Patch‐clamp experiments were conducted to investigate the synaptic function.RESULTSNR4A1 in peripheral blood mononuclear cells decreased with age in humans. In the mouse brain, age‐dependent Nr4a1 reduction occurred in the hippocampal CA1. Deleting Nr4a1 in CA1 pyramidal neurons (PyrNs) led to the impairment of cognition and excitatory synaptic function. Mechanistically, Nr4a1 enhanced TrkB expression via binding to its promoter. Blocking TrkB compromised the cognitive amelioration with Nr4a1‐overexpression in CA1 PyrNs.DISCUSSIONOur results elucidate the mechanism of Nr4a1‐dependent TrkB regulation in cognition and synaptic function, indicating that Nr4a1 is a target for the treatment of cognitive decline.Highlights
Nr4a1 is reduced in PBMCs and CA1 PyrNs with aging.
Nr4a1 ablation in CA1 PyrNs impaired cognition and excitatory synaptic function.
Nr4a1 overexpression in CA1 PyrNs ameliorated cognitive impairment of aged mice.
Nr4a1 bound to TrkB promoter to enhance transcription.
Blocking TrkB function compromised Nr4a1‐induced cognitive improvement.
Circularly Polarized Luminescence Induced by Hydrogen‐Bonding Networks in a One‐Dimensional Hybrid Manganese(II) Chloride
Authors: Li Jing , Luo Qiulian , Wei Jianwu , Zhou Liya , Chen Peican , Luo Binbin , Chen Yibo , Pang Qi , Zhang Jin Zhong 
Published: April 2024

AbstractChiral hybrid metal halides hold great potential as circularly polarized luminescence light sources. Herein, we have obtained two enantiomeric pairs of one‐dimensional hybrid chiral manganese(II) chloride single crystals, R/S‐(3‐methyl piperidine)MnCl3 (R/S‐1) and R/S‐(3‐hydroxy piperidine)MnCl3 (R/S‐2), crystallizing in the non‐centrosymmetric space group P212121. In comparison to R/S‐1, R/S‐2 single crystals not only show red emission with near‐unity photoluminescence quantum yield (PLQY) and high resistance to thermal quenching but also exhibit circularly polarized luminescence with an asymmetry factor (glum) of 2.5×10−3, which can be attributed to the enhanced crystal rigidity resulting from the hydrogen bonding networks between R/S‐(3‐hydroxy piperidine) cations and [MnCl6]4− chains. The circularly polarized luminescence activities originate from the asymmetric [MnCl6]4− luminophores induced by N−H⋅⋅⋅Cl hydrogen bonding with R/S‐(3‐hydroxy piperidine). Moreover, these samples demonstrate great application potential in circularly polarized light‐emitting diodes and X‐ray scintillators. This work shows a highly efficient photoluminescent Mn‐based halide and offers a strategy for designing multifunctional chiral metal halides.
Efficient Tandem Copper‐Catalyzed Click Synthesis of Multisugar‐Modified Oligonucleotides
Authors: Tölke Annika J. , Gaisbauer Julia F. , Gärtner Yasmin V. , Steigenberger Barbara , Holovan Anna , Streshnev Filip , Schneider Sabine , Müller Markus , Carell Thomas 
Published: April 2024

AbstractNucleic acids in the form of siRNA, antisense oligonucleotides or mRNA are currently explored as new promising modalities in the pharmaceutical industry. Particularly, the success of mRNA‐vaccines against SARS‐CoV‐2, along with the successful development of the first sugar‐modified siRNA therapeutics has inspired the field. The development of nucleic acid therapeutics requires efficient chemistry to link oligonucleotides to chemical structures that can improve stability, boost cellular uptake, or enable specific targeting. For the siRNA therapeutics currently in use, modification of the 3′‐end of the oligonucleotides with triple‐N‐acetylgalactosamine (GalNAc)3 was shown to be of significance. This modification is currently achieved through cumbersome multistep synthesis and subsequent loading onto the solid support material. Herein, we report the development of a bifunctional click‐reactive linker that allows the modification of oligonucleotides in a tandem click reaction with multiple sugars, regardless of the position within the oligonucleotide, with remarkable efficiency and in a one‐pot reaction.
Synthesis and characterization of novel D‐mannitol based hydrogel: Swelling and adsorption behavior of heavy metal ion studies
Authors: Chaurasiya Arbind , Pande Poorn Prakash , Shankar Ravi , Kushwaha Nandita , Kumar Praveen , Dey Kajal Kumar , Chaurasiya Anil 
Published: April 2024

AbstractA highly efficient hydrogel derived from D‐Mannitol xanthate has been successfully synthesized using a free‐radical solution copolymerization technique. An equimolar mixture of acrylonitrile (AN) and acrylic acid (AA) has been reacted with D‐Mannitol xanthate (DMX) under inert atmosphere. Three distinct grades of D‐Mannitol xanthate‐based hydrogels viz. DMXHGs‐1, DMXHGs‐2, and DMXHGs‐3, were prepared. Extensive analyses were conducted on the hydrogels using various methods such as UV, FT‐IR, SEM, XRD, GPC, TGA and ΔpHPZC. The maximum swelling ratio of DMXHGs‐3 was found to be 52122%, 50434% and 48576% for 24 h with water retention ratio of 80.98%, 78.64% and 79.22% for 30 h in distilled, tap and gray water respectively. These findings indicate the DMXHGs‐3 hydrogel has remarkable swelling and water retention capacity. Comprehensive investigations were carried out to evaluate the hydrogel's remarkable adsorption capacity to act as an adsorbent for effectively removing hazardous metal ions. The highest removal percentages of 95.5% and 94.4% and maximum adsorption capacities of 523.56 mg g−1 and 462.96 mg g−1 were observed with DMXHGs‐3 hydrogel for Cu2+ and Co2+ ions, respectively. Metal ion removal experiments were conducted by varying several parameters including dosage, pH, temperature, concentration, and time. The quantification of Cu2+ and Co2+ was accomplished using UV–visible spectroscopy. Present studies demonstrate the suitability of D‐mannitol xanthate‐based hydrogels for the efficient removal of toxic metal ions from wastewater.
Successful preparation of a biopolymeric nanocarrier enables controlled release of antinociceptive monoterpene for local pain management after transdermal barrier permeation
Authors: de Araujo Andrade Tatianny , de Jesus Jemmyson Romário , de Sousa Pereira Marcos Vinícius , de Tarso Garcia Paulo , Pimentel Falcão Maria Alice , Banderó Walker Cristiani Isabel , Abrahão Frank Luiza , Russo Serafini Mairim 
Published: April 2024

AbstractDeveloping effective and targeted drug delivery systems is crucial in searching for improved pain management strategies. Here, it is shown the preparation of a nanocarrier using chitosan hydrogel, and polymeric nanocapsules loaded with linalool for enhancing transdermal permeation and targeted delivery of this antinociceptive monoterpene for the pain treatment. Extensive characterization was conducted to evaluate the properties of the nanocarrier, and several in vitro studies were performed to investigate the release kinetics of linalool from the nanocarrier and its permeation through the layers of the skin. As results, the prepared polymeric nanocarrier exhibited an average size of 160 ± 9 nm, with a polydispersion index of 0.12 ± 0.01. The kinetic study revealed that the nanocarrier effectively controlled and prolonged the release of linalool, following a pseudo‐second order model (R2 = 0.98). To evaluate the permeation of the nanocarrier through the transdermal barrier, swine ear skin was employed. The nanocarrier efficiently penetrated the transdermal barrier and successfully delivered linalool to the skin layers. Additionally, an in vivo toxicity study indicated no toxicity for the nanocarrier at the tested concentrations (<0.950 μg mL−1). The release kinetics showed a controlled and sustained release of the linalool, suggesting its potential for prolonged therapeutic effects.