bluuebunny/crossref_metadata_2025_split huggingface dataset:
MC4R in Central and Peripheral Systems
Authors: Wei Ran , Li Danjie , Jia Sheng , Chen Yuhong , Wang Jiqiu 
Published: April 2023

AbstractObesity has emerged as a critical and urgent health burden during the current global pandemic. Among multiple genetic causes, melanocortin receptor‐4 (MC4R), involved in food intake and energy metabolism regulation through various signaling pathways, has been reported to be the lead genetic factor in severe and early onset obesity and hyperphagia disorders. Most previous studies have illustrated the roles of MC4R signaling in energy intake versus expenditure in the central system, while some evidence indicates that MC4R is also expressed in peripheral systems, such as the gut and endocrine organs. However, its physiopathological function remains poorly defined. This review aims to depict the central and peripheral roles of MC4R in energy metabolism and endocrine hormone homeostasis, the diversity of phenotypes, biased downstream signaling caused by distinct MC4R mutations, and current drug development targeting the receptor.
Photofunctional Scope of Fluorescent Dithienylethene Conjugates with Aza‐Heteroaromatic Cations
Authors: Chen‐Wu Jialei , Guzmán‐Ríos David B. , Remón Patricia , González‐Delgado José A. , Martínez‐Martínez Antonio J. , Nájera Francisco , Arteaga Jesús F. , Pischel Uwe 
Published: April 2023

AbstractA series of dithienylethene (DTE) photoswitches with aza‐heteroaromatic cationic moieties is synthesized. The switches are characterized regarding their photochemical and photophysical properties in acetonitrile and in water. The efficiency of the switching and the photostationary state composition depend on the degree ofπ‐conjugation of the heteroaromatic systems. Thus, DTEs with acridinium‐derived moieties have very low quantum yields for the ring‐closing process, which is in contrast to switches with pyridinium and quinolinium moieties. All switches emit fluorescence in their open forms. The involved electronic transitions are traced back to an integrative picture including the DTE core and the cationic arms. The emission can be fine‐tuned by theπ‐conjugation of the heteroaromatic cations, reaching the red spectral region for DTEs with acridinium moieties. On ring‐closing of the DTEs the fluorescence is not observable anymore. Theoretical calculations point to rather low‐lying energy levels of the highly conjugated ring‐closed DTEs, which would originate near‐infrared emission (> 1200 nm). The latter is predicted to be very weak due to the concurrent non‐radiative deactivation, according to the energy‐gap law. In essence, an ON–OFF fluorescence switching as the result of the electrocyclic ring‐closing reaction is observed.
Fiber Crossbars: An Emerging Architecture of Smart Electronic Textiles
Authors: Zhou Xuhui , Wang Zhe , Xiong Ting , He Bing , Wang Zhixun , Zhang Haozhe , Hu Dongmei , Liu Yanting , Yang Chunlei , Li Qingwen , Chen Ming , Zhang Qichong , Wei Lei 
Published: April 2023

AbstractSmart wearables have a significant impact on people's daily lives, enabling personalized motion monitoring, realizing the Internet of Things, and even reshaping the next generation of telemedicine systems. Fiber crossbars (FCs), constructed by crossing two fibers, have become an emerging architecture among the accessible structures of state‐of‐the‐art smart electronic textiles. The mechanical, chemical, and electrical interactions between crossing fibers result in extensive functionalities, leading to the significant development of innovative electronic textiles employing FCs as their basic units. This review provides a timely and comprehensive overview of the structure designs, material selections, and assembly techniques of FC‐based devices. The recent advances in FC‐based devices are summarized, including multipurpose sensing, multiple‐mode computing, high‐resolution display, high‐efficient power supply, and large‐scale textile systems. Finally, current challenges, potential solutions, and future perspectives for FC‐based systems are discussed for their further development in scale‐up production and commercial applications.
Two‐Step Sequential Process for Fabricating Graphene Nanosheets Decorated with Copper Halide Nanocrystals and Their Optoelectronic Applications
Authors: Kim Minjin , Le Thanh‐Hai , Lee Jisun , Lee Haney , Kim Changjun , Heo Eunseo , Chang Mincheol , Yun Changhun , Yoon Hyeonseok 
Published: April 2023

AbstractNanocrystals of Cs3Cu2I5, a metal halide with promising potential as a perovskite substitute, are successfully grown on graphene nanosheets. An intermediate stage of physically exfoliated graphene nanosheets, concurrent with the formation of copper‐based seeds on graphene surface, is developed, for the first time, allowing for the subsequent growth of Cs3Cu2I5 nanocrystals (CsNCs) to obtain CsNCs‐decorated graphene nanohybrids (CsGNHs). The morphology and properties of the CsGNHs depend on the input amount of graphene nanosheets during the reaction. The photoluminescence intensity of the CsGNHs decreases with increasing graphene content, indicating that graphene facilitates nonradiative energy transfer from the CsNCs in the CsGNHs. The inherent self‐trapping exciton emission of the CsNCs is also affected by the graphene substrate. As the graphene content increases, the emission peaks of the CsGNHs broaden and diminish. The CsGNHs emit a stable solid‐state luminescence with a large Stokes shift (zero self‐absorption) under a high‐energy ultraviolet (UV) light. Consequently, the CsGNHs can act as optoelectronic transducers and selectively generate a turn‐on photocurrent response under specific‐wavelength UV light. Additionally, a new anticounterfeiting strategy is developed using the CsGNHs as a luminescent black ink to fabricate luminescent quick‐response codes with fake pixels.
Chiral Boro‐Phosphate Catalyzed Asymmetric Transfer Hydrogenation of 1‐Enal Substituted 2‐Naphthols: Access to Axially Chiral Styrene‐Type Allylalcohols
Authors: Jiang Hong‐Xin , Han Dan‐Dan , Song Rui‐Ping , Shi Qin , He Xiao‐Fan , Kou Wan‐Qing , Zhao Qi , Shao You‐Dong , Cheng Dao‐Juan 
Published: April 2023

AbstractHerein, we present a chiral boro‐phosphate catalyzed atroposelective asymmetric transfer hydrogenation method, leading to a family of axially chiral styrene‐type allylalcohols. This dynamic kinetic resolution approach portrays simple procedure, mild conditions and good enantiocontrol (51–95% ee), thus providing an important alternative to assemble the challenging atropisomeric aryl‐acyclic alkene scaffolds.magnified image
Recent Advances in Radical Reactions of Azo Compounds
Authors: Zhou Qin , Gong Xuanming , Yan Guobing 
Published: April 2023

AbstractAzo compounds have attracted much attention in the past decades, due to their unique properties. Recently, the free radical strategy has been widely applied to the chemical transformations of azobenzenes, dialkyl azodicarboxylates, mainly including hydrogenation and functionalization of N=N double bond, and N‐functionalization reactions via the cleavage of the N=N double bonds. In this review, we systematically summarized these reactions as well as their mechanisms are discussed.magnified image
Consumers' preferences and willingness to pay for coffee sustainability labels
Authors: Fuller Katherine , Grebitus Carola 
Published: April 2023

AbstractConsumers are displaying an increasing awareness for the social and environmental impact of coffee production, and this is also reflected in their willingness to pay for sustainably produced coffee. For example, the Direct Trade label, which highlights a direct relationship between roasters and farmers, has gained popularity to strengthen the industry's efforts to make coffee production more sustainable. This leads to the question of whether consumers prefer coffee carrying this label. Hence, this research analyzes consumer preferences and willingness to pay for coffee labels representing sustainability efforts, such as the Direct Trade label. We informed participants about the efforts reflected by each sustainability label and utilized a hypothetical online choice experiment to determine US consumers' preferences and willingness to pay for coffee sustainability labels. The highest willingness to pay was found for coffee carrying both the Fair Trade and Organic labels, and the Direct Trade and Organic labels. The key findings of this study demonstrate that consumers are willing to pay more for sustainability labels that communicate efforts on solving social issues, followed by labels that highlight environmental issues. [EconLit Citation: C9].
Exporting decision of agricultural firms: The role of foreign direct investment
Authors: Kastratović Radovan 
Published: April 2023

AbstractIn this study, we examine how foreign direct investment affects agricultural firms' exporting decisions. We investigate this by using a Tobit model of export intensity, estimated on the sample of 104 Serbian agricultural firms observed in the period 2014–2017. In particular, we considered both direct and indirect export effects of foreign direct investment. The results indicate that foreign ownership positively affects firms' export intensity. Furthermore, we find that the effect is conditional on the origin of foreign capital, the strongest effects being associated with capital coming from bordering countries. Finally, the results show that the indirect effects of foreign direct investment on export are mainly negative. The results imply that agricultural firms which are a part of the system of multinational enterprises have lower costs of exporting, due to their reliance on international distribution networks and the information on foreign markets provided by the parent companies. In contrast, the costs of production for the local firms could be increased due to the intensive competition by the foreign affiliates. This means that foreign direct investment has the potential to improve the export performances of host‐country agricultural firms. However, to realize their full potential, a sufficient absorptive capacity of the local firms is required. [EconLit Citations: F21, F23, Q17].
Encrypted model predictive control design for security to cyberattacks
Authors: Suryavanshi Atharva , Alnajdi Aisha , Alhajeri Mohammed , Abdullah Fahim , Christofides Panagiotis D. 
Published: April 2023

AbstractIn recent years, cyber‐security of networked control systems has become crucial, as these systems are vulnerable to targeted cyberattacks that compromise the stability, integrity, and safety of these systems. In this work, secure and private communication links are established between sensor–controller and controller–actuator elements using semi‐homomorphic encryption to ensure cyber‐security in model predictive control (MPC) of nonlinear systems. Specifically, Paillier cryptosystem is implemented for encryption‐decryption operations in the communication links. Cryptosystems, in general, work on a subset of integers. As a direct consequence of this nature of encryption algorithms, quantization errors arise in the closed‐loop MPC of nonlinear systems. Thus, the closed‐loop encrypted MPC is designed with a certain degree of robustness to the quantization errors. Furthermore, the trade‐off between the accuracy of the encrypted MPC and the computational cost is discussed. Finally, two chemical process examples are employed to demonstrate the implementation of the proposed encrypted MPC design.
Longitudinal patterns and predictors of suicidal ideation in African American adolescents
Authors: Whipple Christopher R. , Robinson W. LaVome , Flack Caleb E. , Jason Leonard A. , Keenan Kate 
Published: April 2023

AbstractSuicide rates among African American adolescents have increased dramatically. Suicidal ideation is associated with both suicide attempts and completions, thus understanding ideation patterns and predictors in African American adolescents is critical to informing prevention efforts. This study recruited 160 African American ninth grade students. Participants were those students randomized to the control condition of a randomized controlled preventive intervention. Of the 160 participants, 99 completed all assessment points and were included in latent transition analyses. We assessed participants four times: baseline then again at 6‐, 12‐, and 18‐month postbaseline. Constructs of interest for this study included suicidal ideation, depression, hopelessness, and community violence exposure. A 2‐class model (i.e., low ideation [LI] and high ideation [HI]) characterized ideation at each time point. A total of 86%–90% of participants were in the LI class in any given time point and 27.3% of participants were in the HI class at least once. Participants in the LI class tended to stay in that class, whereas those in the HI class often transitioned to the LI group. Depression and hopelessness, but not exposure to community violence, predicted HI class membership. Findings suggest that (a) most African American adolescents may experience suicide ideation at some point in time, (b) a concerning proportion of African American adolescents may experience high ideation, (c) high ideation is often time‐limited, and (d) depression and hopelessness predict high ideation.
Someone you can count on: Examining the mediating effect of social support on economic abuse and depression
Authors: Johnson Laura , Winter Samantha C. 
Published: April 2023

AbstractThe aim of this study was to examine whether social support mediated the relationship between economic abuse, a form of intimate partner violence, and mental health, specifically depression, among pregnant women. This cross‐sectional study used a sample of 193 pregnant women living in the United States who participated in an online Qualtrics panel survey in January 2021. Hayes Process Macro was used to assess a mediation model. Economic abuse was associated with increased odds of depressive sympto ms and fewer perceived social supports. Social support mediated the relationship between economic abuse and depression. Implications for research, policy, and practice are discussed. Notably, research focused on economic abuse and efforts to respond to it need to pay particularly close attention to the role that social supports may play in survivor's overall well‐being, as well as the impact that economic abuse may have on survivors' perceptions of social support. This may be particularly true for pregnant women experiencing economic abuse for whom social support‐related interventions have yielded positive health outcomes.
Molten Salts‐Driven Discovery of a Polar Mixed‐Anion 3D Framework at the Nanoscale: Zn4Si2O7Cl2, Charge Transport and Photoelectrocatalytic Water Splitting
Authors: Kumar Ram , Song Yang , Ghoridi Anissa , Boullay Philippe , Rousse Gwenaelle , Gervais Christel , Coelho Diogo Cristina , Kabbour Houria , Sassoye Capucine , Beaunier Patricia , Castaing Victor , Viana Bruno , Luisa Ruiz Gonzalez Maria , Calbet José Gonzalez , Laberty‐Robert Christel , Portehault David 
Published: April 2023

AbstractMixed‐anion compounds widen the chemical space of attainable materials compared to single anionic compounds, but the exploration of their structural diversity is limited by common synthetic paths. Especially, oxychlorides rely mainly on layered structures, which suffer from low stability during photo(electro)catalytic processes. Herein we report a strategy to design a new polar 3D tetrahedral framework with composition Zn4Si2O7Cl2. We use a molten salt medium to enable low temperature crystallization of nanowires of this new compound, by relying on tetrahedral building units present in the melt to build the connectivity of the oxychloride. These units are combined with silicon‐based connectors from a non‐oxidic Zintl phase to enable precise tuning of the oxygen content. This structure brings high chemical and thermal stability, as well as strongly anisotropic hole mobility along the polar axis. These features, associated with the ability to adjust the transport properties by doping, enable to tune water splitting properties for photoelectrocatalytic H2 evolution and water oxidation. This work then paves the way to a new family of mixed‐anion solids
Ultrarapid Nanomanufacturing of High‐Quality Bimetallic Anode Library toward Stable Potassium‐Ion Storage
Authors: Dou Shuming , Xu Jie , Zhang Danfeng , Liu Wen , Zeng Cuihua , Zhang Jiangchao , Liu Zhedong , Wang Haoqiang , Liu Yani , Wang Yu , He Yanbing , Liu Wei‐Di , Gan Wei , Chen Yanan , Yuan Qunhui 
Published: April 2023

AbstractBimetallic alloy nanomaterials are promising anode materials for potassium‐ion batteries (KIBs) due to their high electrochemical performance. The most well‐adopted fabrication method for bimetallic alloy nanomaterials is tube furnace annealing (TFA) synthesis, which can hardly satisfy the trade‐off among granularity, dispersity and grain coarsening due to mutual constraints. Herein, we report a facile, scalable and ultrafast high‐temperature radiation (HTR) method for the fabrication of a library of ultrafine bimetallic alloys with narrow size distribution (≈10–20 nm), uniform dispersion and high loading. The metal‐anchor containing heteroatoms (i.e., O and N), ultrarapid heating/cooling rate (≈103 K s−1) and super‐short heating duration (several seconds) synergistically contribute to the successful synthesis of small‐sized alloy anodes. As a proof‐of‐concept demonstration, the as‐prepared BiSb‐HTR anode shows ultrahigh stability indicated by negligible degradation after 800 cycles. The in situ X‐ray diffraction reveals the K+ storage mechanism of BiSb‐HTR. This study can shed light on the new, rapid and scalable nanomanufacturing of high‐quality bimetallic alloys toward extended applications of energy storage, energy conversion and electrocatalysis.
Investigations for the use and recyclability of the ionic liquid [MTBDH][AcO] as a solvent in air‐gap‐wet spinning process
Authors: Sturm Michael , Helminen Jussi K. J. , Honkasalo Aarni , Roselli Annariikka , von Weymarn Niklas , Kilpeläinen Ilkka 
Published: April 2023

AbstractThe direct dissolution of cellulose offers a pathway to production of regenerated textile fibers. However, fiber production in the Lyocell process requires a high recyclability of the solvent. Some compounds from the class of ionic liquids (IL) may have higher dissolving capacities together with a higher thermal stability than the conventional N‐methylmorpholin‐N‐oxide (NMMO), which makes them more valuable in an industrial process. A promising representative of such an advanced solvent for Lyocell process, 7‐Methyl‐1,5,7‐triazabicyclo[4.4.0]dec‐5‐ene acetate ([MTBDH][AcO]) was investigated in this study. A series of 21 consecutive cellulose dissolving and spinning trials via dry‐jet wet spinning was conducted with the same batch of solvent. In the spinning trials, the cellulose was regenerated into water consisting spinning bath. The solvent was recycled by removing the water from the spin bath via distillation in reduced pressure. Due these drastic changes in the water content of the IL during the whole process, the hydrolytic stability is an important aspect to assess the recyclability of the IL and viability of the whole process. The chemical composition of the IL was monitored by means of NMR spectroscopy. Although there was an increase of hydrolysis level of the solvent, cellulose could be dissolved constantly and spun to obtain staple fibers. The spinning behavior deteriorated slowly along the additional cycles, along with a measured increase in zero‐shear viscosity of the spinning dope. Nevertheless, the physical properties of the obtained fibers were barely influenced by the changes of the ionic liquid.
Natural polymers in wound healing: From academic studies to commercial products
Authors: Tavakoli Mohamadreza , Labbaf Sheyda , Mirhaj Marjan , Salehi Saeideh , Seifalian Alexander Marcus , Firuzeh Mahboubeh 
Published: April 2023

AbstractNatural biopolymers (carbohydrates and proteins) are the family of natural polymers that are widely used in wound healing. This is due to their biocompatibility and their chemical structural similarity to the extracellular matrix (ECM). Wound healing is a complex process and requires a multidisciplinary approach and appropriate treatment product to enable a full recovery. Chronic nonhealing wounds significantly caused the reduction. Currently, diabetic and nonhealing wounds are considered the unmet clinical need and a new effective treatment will benefit patients and the economy. This research was aimed to critically review both literature as well as industrial products that used carbohydrates and proteins in wound dressing for the treatment of the wound. The outcome was chitosan (CS), as a carbohydrate, has the most clinical application as it is readily available and affordable, and has shown excellent antibacterial activity. Among proteins, keratin (Kr) can be an option with similar characteristics, however, Kr has not yet found clinical use when compared with CS.
Variation and development of the turtle chondrocranium, with a description of the common musk turtle (Sternotherus odoratus, Kinosternidae, Cryptodira, Testudines)
Authors: Leicht Luca , Zhang Zitong , Werneburg Ingmar 
Published: April 2023

AbstractBased on histological cross‐sections, the chondrocranium of the common musk turtle (Sternotherus odoratus) was reconstructed, described, and compared with other turtles. It differs from that of other turtle chondrocrania by possessing elongated, slightly dorsally orientated nasal capsules with three dorsolateral foramina, which might be homologous to the foramen epiphaniale, and by having an enlarged crista parotica. Additionally, the posterior part of the palatoquadrate is more elongated and more slender than in other turtles, while its ascending process is connected to the otic capsule by appositional bone. The proportions of the chondrocranium were also compared with those of “mature” chondrocrania of other turtle species in a Principal Component Analysis (PCA). Other than expected, the S. odoratus chondrocranium is not similar in proportions to those of chelydrids, the closest related species in the sample. The results indicate to differences in the proportions among larger turtle clades (e.g., Durocryptodira, Pleurodira, and Trionychia). S. odoratus is an exception to this pattern since it shows elongated nasal capsules similar to the trionychid Pelodiscus sinensis. A second PCA comparing the chondrocranial proportions of multiple developmental “stages” mostly shows differences between trionychids and all other turtles. S. odoratus is again similar to trionychids along PC1, but its proportions are the most similar along PC2 and PC3 to older “stages” of americhelydians, including the chelydrid Chelydra serpentina, which is related to chondrocranium height and quadrate width. We discuss potential ecological correlations of our findings mirrored in late embryonic stages.