bluuebunny/crossref_metadata_2025_split huggingface dataset:
Thermomechanical Properties and Shape-Memory Capability of Drug Loaded Semi-Crystalline Polyestermethacrylate Networks
Authors: Neffe Axel Thomas , Hanh Bui Duc , Steuer Susi , Wischke Christian , Lendlein Andreas 
Published: October 2009

AbstractPolymer networks synthesized by UV-curing of Oligo[(ε-caprolactone)-co-glycolide]dimethacrylates are hydolytically degradable. Their architecture with covalent netpoints and crystallizable domains is the molecular basis for the potential shape-memory capability. The molecular weight and glycolide content of the oligomeric precursors can be varied over a broad range of compositions to tailor the thermomechanical properties of the polymer network while having only a minor influence on the shape-memory effect. Recently, drug incorporation adding controlled drug release as further functionality to the polymer network was demonstrated [4]. Here, enoxacin and ethacridine lactate as test drugs were incorporated into the networks by soaking. Alternatively, defined amounts of ethacridine lactate were mixed with the precursors, which were subsequently crosslinked to the drug containing networks. The composition of the oligomeric precursors in molecular weight between 3800 and 12800 g�mol-1 and in glycolide content ϝG between 0 and 30 mol-% to explore the influence of the drug incorporation on networks with varying compositions while retaining properties and functionalities. Polymer networks prepared from precursors with ϝG ? 14 mol-% and Mn ? 6900 g�mol-1 have a Tsw of 35-52 �C and sufficient crystallinity to ensure a high shape fixity in the programming step. These limits have to be kept to ensure the desired multifunctionality, otherwise drug incorporation can have an undesired influence on thermal, mechanical, and shape-memory properties.
Mass Problems and Measure-Theoretic Regularity
Authors: Simpson Stephen G. 
Published: October 2009

AbstractA well known fact is that every Lebesgue measurable set is regular, i.e., it includes an Fσ set of the same measure. We analyze this fact from a metamathematical or foundational standpoint. We study a family of Muchnik degrees corresponding to measuretheoretic regularity at all levels of the effective Borel hierarchy. We prove some new results concerning Nies's notion of LR-reducibility. We build some ω-models of RCA0 which are relevant for the reverse mathematics of measure-theoretic regularity.
Day Napping and Short Night Sleeping Are Associated With Higher Risk of Diabetes in Older Adults
Authors: Xu Qun , Song Yiqing , Hollenbeck Albert , Blair Aaron , Schatzkin Arthur , Chen Honglei 
Published: October 2009

OBJECTIVE
To examine whether day napping or short night sleeping is associated with higher risk of diabetes.

RESEARCH DESIGN AND METHODS
This was a prospective study of hours of day napping and night sleeping assessed in 1996–1997 in relation to diabetes diagnosed between 2000 and 2006 (n = 10,143) among 174,542 participants in the National Institutes of Health (NIH)-AARP Diet and Health Study. Odds ratios (ORs) and 95% CI were derived from multivariate logistic regression models.

RESULTS
Longer day napping was associated with a higher risk of diabetes. After adjustment for potential confounders, ORs were 1.23 (95% CI 1.18–1.29) for those reporting &lt;1 h and 1.55 (95% CI 1.45–1.66) for those reporting ≥1 h of napping compared with individuals who did not nap (Ptrend &lt; 0.0001). For night sleeping, with 7–8 h as the referent, the OR was 1.46 (95% CI 1.31–1.63) for &lt;5 h, 1.11 (1.06–1.16) for 5–6 h, and 1.11 (0.99–1.24) for ≥9 h. In both analyses, additional adjustment for BMI only modestly attenuated the associations. Further analysis showed a statistically significant interaction between hours of napping and sleeping on diabetes (Pinteraction &lt; 0.0001). Among participants with no napping, only short night sleeping was associated with higher occurrence of diabetes, whereas among those with ≥1 h of napping, both long and short sleeping was associated with higher risk.

CONCLUSIONS
Day napping and short night sleeping are associated with higher risk of diabetes. The association between sleep duration and diabetes may be modified by napping habit.
Anne Scott Sørensen, Ole Martin Høystad, Erling Bjurström and Halvard Vike: Nye kulturstudier - En innføring, Oslo: Spartacus Forlag AS/Scandinavian Academic Press, 2008
Authors: Arvastson Gösta 
Published: October 2009

Nye kulturstudier [New Cultural Studies] is the first introduction to cultural studies in Scandinavia and an impressive presentation of the subject. The book aims to explain how cultural studies emerged as an interdisciplinary field in humanities and social sciences. Other introductions to cultural research in ethnology and anthropology have been produced – but this one is different, since it is more comprehensive and ambitious.
Nye kulturstudier is the result of interdisciplinary collaboration between four colleagues from Norway, Sweden and Denmark. Senior lecturer Anne Scott Sørensen and Professor Ole Martin Høystad are affiliated to the Institute for Literature, Media and Cultural Studies at the University of Southern Denmark in Odense. Professor Erling Bjurström belongs to Tema Q at Linköping University, and Professor Halvard Vike works at the Institute for Social Anthropology at Oslo University. The authors comment that they are oriented towards different subjects and educational programmes at their respective universities.
The book begins with a background to the theories and scientific traditions. This is followed by Cultural Analysis and Methodology, a chapter on Identity, Globalisation and Multiculturalism, one on Taste, Lifestyle and Consumption and, finally, by Nature, Body and Experience Landscapes.
Weight‐Reconfigurable Neuromorphic Computing Systems for Analog Signal Integration
Authors: Choi Young Jin , Roe Dong Gue , Li Zhijun , Choi Yoon Young , Lim Bogyu , Kong Hoyoul , Kim Se Hyun , Cho Jeong Ho 
Published: April 2024

AbstractOwing to the necessity of high computation amounts has emerged, interest in a neuromorphic computing system has significantly increased as a compelling alternative to conventional CMOS technology. This paper presents a neuromorphic hardware algorithm to finely reconfigure multi‐input signal processing, which can be implemented as an advanced processor for diverse external information, and the hydrogen explosion risk assessment system is demonstrated as a proof of concept. Hydrogen concentration and temperature are used as sensory inputs for the signal integration and the precise values of them are determined by offsetting the effect of temperature on the electrical signal from the hydrogen sensor through a sensor circuit. Each signal is then updated by the weight control circuit and converted into a postsynaptic current to represent the hydrogen explosion risk using a multi‐input artificial synapse. This simplicity of the circuitry renders the fabrication of all components and circuits compatible with simple inkjet printing methods, enabling cost‐effective and high‐throughput manufacturing. Additionally, the real‐time demonstration of the neuromorphic computing system is successfully conducted, offering insights into the practical application of neuromorphic computing.
Strengthening Near‐Infrared Photon Harvesting in Semi‐Transparent All‐Polymer Solar Cells through the Synergy of Fluorination on the Selenide Monomer Backbone
Authors: Liu Wei , Yu Han , Liu Baoze , Wang Yan , Hu Huawei , Ng Ho Ming , Kwok Chung Hang , Yi Jicheng , Zhang Chen , Huang Fei , Zhu Zonglong , Yan He 
Published: April 2024

AbstractAll‐polymer solar cells (all‐PSCs) offer promising potential for large‐scale manufacturing due to their remarkable mechanical and thermal stability. However, the limited capacity of polymer acceptors for near‐infrared (NIR) photon harvesting has impeded their progress in semi‐transparent (ST) all‐PSCs. Here, the study develops a pair of new NIR polymer acceptors, named PYSeF‐T and PYSe2F‐T, with mono‐/di‐fluorinated end groups capped to the selenide monomer backbone, respectively. Owing to the stronger intermolecular interaction and intramolecular charge transfer effect of the di‐fluorinated end groups with the selenide backbone, PYSe2F‐T exhibits a stronger crystallinity and a more bathochromic absorption to 1000 nm. When blended with the donor, PM6, the PY2SeF‐T‐based all‐PSC demonstrates a higher efficiency of 16.73% with a remarkable short‐circuit current (JSC) of 27.7 mA cm−2, which is the highest JSC for all‐PSCs. Based on these, the ST device based on PM6:PYSe2F‐T demonstrates a superior efficiency of 12.52% with an average visible transmittance of 26.2% and a light utilization efficiency of 3.28%, outperforming the mono‐fluorinated counterpart. The work provides an in‐depth understanding of the above synergistic effects to develop NIR polymer acceptors and establishes a solid foundation for future investigations into large‐area and flexible ST all‐PSCs.
Novel Natural Polymer‐Based Hydrogel Patches with Janus Asymmetric‐Adhesion for Emergency Hemostasis and Wound Healing
Authors: Sun Lanfang , Zhou Junyi , Lai Jieying , Zheng Xue , Wang Hanzhang , Lu Bin , Huang Runsheng , Zhang Li‐Ming 
Published: April 2024

AbstractAn asymmetrical wound dressing functions akin to human skin by serving as a protective barrier between a wound and its immediate environment. However, significant challenges persist concerning the robust adhesion and asymmetrical adhesion properties of hydrogels, particularly when applied in emergency hemostasis and wound healing contexts. Herein, the study has successfully synthesized hydrogel patches with Janus asymmetric‐adhesion, denoted as HGO‐C, exclusively comprised of natural polymers. This achievement is realized through the assembly of adhesive hydrogel (HGO) and non‐adhesive hydrogel (CGC), thereby amalgamating their distinct functionalities. The non‐adhesive hydrogel component served as a physical shield and safeguarding the wound against contamination, while the adhesive hydrogel, when in contacted with the wound surface, firmly adhered to it, swiftly arresting bleeding and facilitating wound healing. Cytocompatibility tests, hemolysis tests, antibacterial assays, and coagulation assays demonstrated excellent biocompatibility, antibacterial, and hemostatic properties of HGO‐C. Finally, the in vivo experiments, including a liver hemorrhage assay and a wound healing assay, unequivocally showed the rapid hemostatic and enhanced wound healing capabilities of HGO‐C. Consequently, these distinctive hydrogel patches, derived from natural polymers and characterized by their asymmetric adhesion properties, may have great potential for real‐life usage in clinical patients.
pH‐Responsive Virus‐Based Colloidal Crystals for Advanced Material Platforms
Authors: Tran Bettina , Watts Samuel , Valentin Jules D. P. , Raßmann Nadine , Papastavrou Georg , Ramstedt Madeleine , Salentinig Stefan 
Published: April 2024

AbstractBacteriophages have a well‐defined nanoscale size, shape, and surface chemistry, making them promising candidates for creating advanced biomaterials for applications including biocatalysis, drug delivery, and biosensing. This study demonstrates the self‐assembly of the ≈29 nm diameter bacteriophage Qbeta (Qubevirus durum) with the synthetic polycation, poly [2‐(methacryloyloxy)ethyl] trimethylammonium chloride (pMETAC), into compartmentalized colloidal crystals. The pH and the polymer chain length tune their self‐assembly and the resulting structure, with the potential for further chemical modification or loading with bioactive molecules. Small angle X‐ray scattering (SAXS), multi‐angle dynamic light scattering (DLS), and atomic force microscopy (AFM) are used for studying the Qbeta self‐assembly into the geometrically ordered aggregates. The suprastructures form at pH > 7.0 and disassemble at pH < 7.0. Zeta potential measurements and X‐ray photoelectron spectroscopy (XPS) show pMETAC adsorption onto the negatively charged Qbeta surface. The colloidal crystal formation is achieved without chemically modifying the Qbeta surface. Additionally, the Qbeta/pMETAC suprastructures can be easily separated from the suspension as macroscopic aggregate, maintaining their activity. Their simple preparation allows for large‐scale production of advanced materials in food and health science applications and nanotechnology. The insights from this study will further advance the tailored design and production of novel colloidal materials.
PNIPAM/PEDOT:PSS Hydrogels for Multifunctional Organic Electrochemical Transistors
Authors: Lopez‐Larrea Naroa , Wustoni Shofarul , Peñas Mario Iván , Uribe Johana , Dominguez‐Alfaro Antonio , Gallastegui Antonela , Inal Sahika , Mecerreyes David 
Published: April 2024

AbstractThe development of multifunctional organic materials represents a vibrant area of research, with applications spanning from biosensing to drug delivery. This study shows the development of a multifunctional bioelectronic device suitable for prolonged temperature monitoring and drug delivery applications. The device relies on a conducting and thermo‐responsive hydrogel made of poly(3,4‐ethylenedioxythiophene) doped with poly(styrene sulfonate) (PEDOT:PSS) and poly(N‐isopropylacrylamide) (PNIPAM). This multifunctional hydrogel is 4D printable by Digital Light Processing (DLP) method and exhibits optimal biocompatibility. The hydrogel features a low critical solution temperature (LCST) ≈35 °C, above which its resistance changes dramatically due to the shrinkage it undergoes with temperature. The integration of PNIPAM/PEDOT hydrogel into an organic electrochemical transistor (OECT) as the gate electrode allows to generate a miniaturized bioelectronic device with a reversible response to temperature variations between 25 to 45 °C, along with high sensitivity of 0.05 °C−1. Furthermore, the PNIPAM/PEDOT hydrogel demonstrates its utility in drug delivery, achieving an Insulin‐FITC release rate of 82 ± 4% at 37 °C, mimicking human body conditions. The hydrogel's functionality to store and release the insulin does not compromise its thermo‐responsivity and the overall performance of the OECT. This multifunctional OECT opens new avenues for the development of customizable and personalized sensing and drug‐delivery systems.
Biaxial Mechanochromic Behaviors of Mechanically Heterogeneous Colloidal Photonic Crystal Weave
Authors: Cho Youngki , Oh Chi Yeung , Son Eun Ji , Kim Young‐Seok , Shim Tae Soup 
Published: April 2024

AbstractNon‐close‐packed colloidal photonic crystals (CPhCs) are widely employed in biomimetic strain sensors as they exhibit mechanochromism due to changes in the crystal lattice spacing under stress. However, the structural color of a CPhC film with an incompressible polymer matrix changes with modulation of the film thickness due to deformation, which makes it difficult to visualize the magnitude and direction of the stress. To address this limitation, elastic modulus‐controlled CPhC films with stress‐responsive mechanochromic behavior are fabricated. While each CPhC film shows the same color change under constant strain, the color change is controlled differently under constant stress. Combining CPhC films prepared with different modulus values enhanced the strain‐responsive mechanochromic sensitivity by ≈25 times. A mechanically heterogeneous weave structure demonstrates a unique biaxial mechanochromic response based on the direction of the stress. These findings suggest that CPhC films can serve as versatile strain/stress sensors that provide visual information about the magnitude and direction of applied stress in multiple dimensions.
Wet Chemical Engineering of Nanostructured GRIN Lenses
Authors: Becerril‐Castro I. Brian , Turino Mariacristina , Pazos‐Perez Nicolas , Xiaofei Xiao , Levato Tadzio , Maier Stefan A. , Alvarez‐Puebla Ramon A. , Giannini Vincenzo 
Published: April 2024

AbstractGradient‐index (GRIN) lenses have long been recognized for their importance in optics as a result of their ability to manipulate light. However, traditional GRIN lenses are limited on a scale of tens of microns, impeding their integration into nanoscale optical devices. This study presents a groundbreaking self‐assembled method that overcomes this limitation, allowing for constructing GRIN lenses at an extremely small dimension. The self‐assembly process offers several advantages, including creating highly precise, scalable, cost‐effective, and complex structures that eliminate the need for intricate and time‐consuming manual assembly. By engineering densely packed arrays of metallic nanoparticles, exceptional control over the local refractive index has been achieved. This is accomplished by layer‐by‐layer assembly of gold nanoparticles of different sizes over silica beads. A GRIN lens light‐sink is built where light is preferentially directed toward the center, which is corroborated by measuring the fluorescence of Rhodamine B (RhB) in the inside. Unlike traditional bulky macroscopic GRIN lenses, light‐sinks boast a size under 2.5 µm. Notably, the self‐focusing effects of this design allowed us to track the growth of single‐nanoparticle layers using SERS (Surface‐Enhanced Raman Spectroscopy). These results pave the way for designing and developing lens‐like devices at the nanoscale, allowing unprecedented light manipulation.
Self‐Repairable Hybrid Piezoresistive‐Triboelectric Sensor Cum Nanogenerator Utilizing Dual‐Dynamic Reversible Network in Mechanically Robust Modified Natural Rubber
Authors: Mandal Subhradeep , Arief Injamamul , Chae Soosang , Tahir Muhammad , Hoang Tung X. , Heinrich Gert , Wießner Sven , Das Amit 
Published: April 2024

AbstractThe greener alternatives to tactile‐integrated multimodal sensors with self‐powered and self‐healing abilities are highly desirable for all‐in‐one autonomous sensing systems, particularly impressive in diverse application ranges including smart home, healthcare, and e‐skin. The dynamically self‐healable, stretchable piezoresistive sensors, and triboelectric nanogenerators (TENGs) reported herein are constructed by a facile, industrially viable method of grafting imidazolium ions on epoxidized natural rubber (ENR) backbone. Owing to cation‐π and π–π interaction between the percolated carbon nanotubes (CNTs)‐network and the imidazolium ions formed by non‐covalent interactions, the interfacial adhesion between the filler and elastomer is shown to improve considerably. The sensors show high piezoresistive strain sensitivity, reversible ionic network‐assisted self‐healability (efficiency ≈80%) and wide‐ranging detectability for precise monitoring of human movements. Both the healed and pristine sensors feature low hysteresis and stable electrical outputs over a wide strain range (≤200%). While achieving rapid self‐healing efficiency, the substrates are shown to exhibit remarkable robustness for harsh climates owing to significant mechanical toughness. Supported by excellent triboelectric tactile sensitivity (2.12 V N−1), the multifunctional TENG‐enabled sensor yields superior power density (0.16 mW cm−2). Moreover, the TENG module exhibits high force sensitivity and ease of operation that are considered versatile for all‐weather integrated tactile solutions for future technology.
Polymer Engineering Enables High Linear Capacity Fiber Electrodes by Microenvironment Regulation
Authors: Li Yuan , Wang Yibo , Liu Yan , Yan Fang , Zhu Zhenwei , Chen Xibang , Qiu Jingyi , Zhang Hao , Cao Gaoping 
Published: April 2024

AbstractUnlike bulky and rigid traditional power systems, 1D fiber batteries possess appealing features such as flexibility and adaptability, which are promising for use in wearable electronic devices. However, the performance and energy density fiber batteries are limited by the contradiction between ionic transfer and robust structure of fiber electrodes. Herein, these problems are addressed via polymer engineering to regulate the microenvironment in electrodes, realizing high‐linear‐capacity thick fiber electrodes with excellent cycling performance. The porosity of the electrodes is regulated using polymer crosslink networks designed with various components, and lithium‐ion transfer is optimized through ether‐abundant polymer chains. Furthermore, reinforced covalent bonding with carbon nanotube networks is established based on the modified functional groups of polymer networks. The multiscale optimizations of the porous structure, ionic transportation, and covalent bonding network enhance the lithium‐ion dynamics property and structural stability. Therefore, ultrahigh linear‐capacity fiber electrodes (17.8 mAh m−1) can be fabricated on a large scale and exhibit excellent stability (92.8% after 800 cycles), demonstrating obvious superiority among the reported fiber electrodes. Moreover, this study highlights the high effectiveness of polymer regulation in fiber electrodes and offers new avenues for designing next‐generation wearable energy‐storage systems.
Understanding of G × E interactions of yield attributes in soybean MAGIC population and characterization for charcoal rot resistance
Authors: Maranna Shivakumar , Nataraj Vennampally , Kumawat Giriraj , Mehetre S. P. , Reddy Rajendra , Jaybhay Santosh , P. G. Suresh , Rathod Santosha , Agrawal Nisha , Rajesh Vangala , Kumar Sanjeev , Rajput Laxman Singh , Talukdar Akshay , C. Gireesh , Chandra Subhash , Ratnaparkhe Milind B. , Ramteke Rajkumar , Satpute Gyanesh K. , Gupta Sanjay , Singh K. H. 
Published: April 2024

AbstractMulti‐parent advanced generation inter‐cross (MAGIC) populations have been developed and utilized in crop improvement programs in several economically important crops. In the current study, soybean (Glycine max L.) MAGIC population was evaluated at four locations to identify stable and high‐yielding MAGIC RILs (recombinant inbred lines) and to understand the genotype and environmental interaction for grain yield and attributing traits. For different traits under study, pooled analysis of variance indicated the significant genotype × environmental interactions at p < 0.01. RILs such as G236, G455, G159, G493, and G488 found ideal for grain yield across the four environments. Through multi‐trait genotype‐ideotype distance index ideotype‐MAGIC RILs have been identified for each location. Significant positive correlation of grain yield with pods per plant, 100‐seed weight, plant height, number of nodes per plant, and branches per plant has been identified. Under field conditions, screening of F2:3 generation of MAGIC population revealed that only 59 progenies exhibited adult plant resistance for charcoal rot disease (caused by Macrophomina phaseolina). Although under controlled conditions parental genotypes EC 572136 and EC 572109 found to be partially resistant with least mean necrosis length, MAGIC RILs (F2:8) showed variable reaction. Thus, the study established diverse genetic resources useful for both mapping and varietal development program.