bluuebunny/crossref_metadata_2025 huggingface dataset:
Three marine species of the genus Fulvivirga, rich sources of carbohydrate-active enzymes degrading alginate, chitin, laminarin, starch, and xylan
Authors: Nguyen Tra T. H. , Vuong Tien Q. , Han Ho Le , Li Zhun , Lee Yong-Jae , Ko Jaeho , Nedashkovskaya Olga I. , Kim Song-Gun
Published: April 2023

Bacteroidota is a group of marine polysaccharide degraders, which play a crucial role in the carbon cycle in the marine ecosystems. In this study, three novel gliding strains, designated as SS9-22T, W9P-11T, and SW1-E11T, isolated from algae and decaying wood were proposed to represent three novel species of the genus Fulvivirga. We identified a large number of genes encoding for carbohydrate-active enzymes, which potentially participate in polysaccharide degradation, based on whole genome sequencing. The 16S rRNA sequence similarities among them were 94.4–97.2%, and against existing species in the genus Fulvivirga 93.1–99.8%. The complete genomes of strains SS9-22T, W9P-11T, and SW1-E11T comprised one circular chromosome with size of 6.98, 6.52, and 6.39 Mb, respectively; the GC contents were 41.9%, 39.0%, and 38.1%, respectively. The average nucleotide identity and the digital DNA-DNA hybridization values with members in the genus Fulvivirga including the isolates were in a range of 68.9–85.4% and 17.1–29.7%, respectively, which are low for the proposal of novel species. Genomic mining in three genomes identified hundreds of carbohydrate-active enzymes (CAZymes) covering up to 93 CAZyme families and 58–70 CAZyme gene clusters, exceeding the numbers of genes present in the other species of the genus Fulvivirga. Polysaccharides of alginate, chitin, laminarin, starch, and xylan were degraded in vitro, highlighting that the three strains are rich sources of CAZymes of polysaccharide degraders for biotechnological applications. The phenotypic, biochemical, chemotaxonomic, and genomic characteristics supported the proposal of three novel species in the genus Fulvivirga, for which the names Fulvivirga ulvae sp. nov. (SS9-22T = KCTC 82072T = GDMCC 1.2804T), Fulvivirga ligni sp. nov. (W9P-11T = KCTC 72992T = GDMCC 1.2803T), and Fulvivirga maritima sp. nov. (SW1-E11T = KCTC 72832T = GDMCC 1.2802T) are proposed.
In vitro kinase assay reveals ADP-heptose-dependent ALPK1 autophosphorylation and altered kinase activity of disease-associated ALPK1 mutants
Authors: García-Weber Diego , Dangeard Anne-Sophie , Teixeira Veronica , Hauke Martina , Carreaux Alexis , Josenhans Christine , Arrieumerlou Cécile
Published: April 2023

Alpha-protein kinase 1 (ALPK1) is a pathogen recognition receptor that detects ADP-heptose (ADPH), a lipopolysaccharide biosynthesis intermediate, recently described as a pathogen-associated molecular pattern in Gram-negative bacteria. ADPH binding to ALPK1 activates its kinase domain and triggers TIFA phosphorylation on threonine 9. This leads to the assembly of large TIFA oligomers called TIFAsomes, activation of NF-κB and pro-inflammatory gene expression. Furthermore, mutations in ALPK1 are associated with inflammatory syndromes and cancers. While this kinase is of increasing medical interest, its activity in infectious or non-infectious diseases remains poorly characterized. Here, we use a non-radioactive ALPK1 in vitro kinase assay based on the use of ATPγS and protein thiophosphorylation. We confirm that ALPK1 phosphorylates TIFA T9 and show that T2, T12 and T19 are also weakly phosphorylated by ALPK1. Interestingly, we find that ALPK1 itself is phosphorylated in response to ADPH recognition during Shigella flexneri and Helicobacter pylori infection and that disease-associated ALPK1 mutants exhibit altered kinase activity. In particular, T237M and V1092A mutations associated with ROSAH syndrome and spiradenoma/spiradenocarcinoma respectively, exhibit enhanced ADPH-induced kinase activity and constitutive assembly of TIFAsomes. Altogether, this study provides new insights into the ADPH sensing pathway and disease-associated ALPK1 mutants.
Improving the efficiency of aerosolized insecticide testing against mosquitoes
Authors: Silva Martins Walter Fabricio , Reid Emma , Tomlinson Sean , Evans George , Gibson Jennie , Guy Amy , Donnelly Martin , Weetman David
Published: April 2023

Developing robust and standardised approaches for testing mosquito populations against insecticides is vital for understanding the effectiveness of new active ingredients or formulations. Methods for testing mosquito susceptibility against contact insecticides or products, such as those delivered through public health programmes, are well-established and standardised. Nevertheless, approaches for testing volatile or aerosolized insecticides used in household products can be challenging to implement efficiently. We adapted WHO guidelines for household insecticides to develop a standardised and higher-throughput methodology for testing aerosolized products in a Peet Grady test chamber (PG-chamber) using caged mosquitoes and an efficient decontamination method. The new approach was validated using insecticide resistant and susceptible Aedes and Anopheles mosquito colonies. An added feature is the inclusion of cage-facing cameras to allow real-time quantification of knockdown following insecticide exposure. The wipe-based decontamination method was highly effective for removing pyrethroids' aerosolized oil-based residues from chamber surfaces, with < 2% mortality recorded for susceptible mosquitoes tested directly on the surfaces. There was no spatial heterogeneity for knockdown or mortality of caged mosquitoes within the PG chamber. The dual-cage approach we implement yields eight-times the throughput compared to a free-flight protocol, allows simultaneous testing of different mosquito strains and effectively discriminates susceptible and resistant mosquito colonies tested side-by-side.
Release systems based on self-assembling RADA16-I hydrogels with a signal sequence which improves wound healing processes
Authors: Dzierżyńska Maria , Sawicka Justyna , Deptuła Milena , Sosnowski Paweł , Sass Piotr , Peplińska Barbara , Pietralik-Molińska Zuzanna , Fularczyk Martyna , Kasprzykowski Franciszek , Zieliński Jacek , Kozak Maciej , Sachadyn Paweł , Pikuła Michał , Rodziewicz-Motowidło Sylwia
Published: April 2023

Self-assembling peptides can be used for the regeneration of severely damaged skin. They can act as scaffolds for skin cells and as a reservoir of active compounds, to accelerate scarless wound healing. To overcome repeated administration of peptides which accelerate healing, we report development of three new peptide biomaterials based on the RADA16-I hydrogel functionalized with a sequence (AAPV) cleaved by human neutrophil elastase and short biologically active peptide motifs, namely GHK, KGHK and RDKVYR. The peptide hybrids were investigated for their structural aspects using circular dichroism, thioflavin T assay, transmission electron microscopy, and atomic force microscopy, as well as their rheological properties and stability in different fluids such as water or plasma, and their susceptibility to digestion by enzymes present in the wound environment. In addition, the morphology of the RADA-peptide hydrogels was examined with a unique technique called scanning electron cryomicroscopy. These experiments enabled us to verify if the designed peptides increased the bioactivity of the gel without disturbing its gelling processes. We demonstrate that the physicochemical properties of the designed hybrids were similar to those of the original RADA16-I. The materials behaved as expected, leaving the active motif free when treated with elastase. XTT and LDH tests on fibroblasts and keratinocytes were performed to assess the cytotoxicity of the RADA16-I hybrids, while the viability of cells treated with RADA16-I hybrids was evaluated in a model of human dermal fibroblasts. The hybrid peptides revealed no cytotoxicity; the cells grew and proliferated better than after treatment with RADA16-I alone. Improved wound healing following topical delivery of RADA-GHK and RADA-KGHK was demonstrated using a model of dorsal skin injury in mice and histological analyses. The presented results indicate further research is warranted into the engineered peptides as scaffolds for wound healing and tissue engineering.
Tumor resident memory CD8 T cells and concomitant tumor immunity develop independently of CD4 help
Authors: Medler Terry R. , Kramer Gwen , Bambina Shelly , Gunderson Andrew J. , Alice Alejandro , Blair Tiffany , Zebertavage Lauren , Duhen Thomas , Duhen Rebekka , Young Kristina , Crittenden Marka R. , Gough Michael J.
Published: April 2023

Tissue resident memory (Trm) CD8 T cells infiltrating tumors represent an enriched population of tumor antigen-specific T cells, and their presence is associated with improved outcomes in patients. Using genetically engineered mouse pancreatic tumor models we demonstrate that tumor implantation generates a Trm niche that is dependent on direct antigen presentation by cancer cells. However, we observe that initial CCR7-mediated localization of CD8 T cells to tumor draining lymph nodes is required to subsequently generate CD103+ CD8 T cells in tumors. We observe that the formation of CD103+ CD8 T cells in tumors is dependent on CD40L but independent of CD4 T cells, and using mixed chimeras we show that CD8 T cells can provide their own CD40L to permit CD103+ CD8 T cell differentiation. Finally, we show that CD40L is required to provide systemic protection against secondary tumors. These data suggest that CD103+ CD8 T cell formation in tumors can occur independent of the two-factor authentication provided by CD4 T cells and highlight CD103+ CD8 T cells as a distinct differentiation decision from CD4-dependent central memory.
Photovoltaic performance of MOF-derived transition metal doped titania-based photoanodes for DSSCs
Authors: Nizamudeen C. , Krishnapriya R. , Mozumder M. S. , Mourad A-H. I. , Ramachandran T.
Published: April 2023

The enduring effort toward stabilizing and improving the efficiency of dye-sensitized solar cells (DSSCs) has stirred the solar research community to follow innovative approaches. Current research centered on electrode materials design, which improves photoanodes' light-harvesting efficiency (LHE). Metal–Organic Frameworks (MOFs) are a new family of materials that can be used as competent materials due to their desirable qualities, including high porosity, flexible synthesis methodology, high thermal and chemical stability, and good light-harvesting capabilities. MOF-derived porous photoanodes can effectively adsorb dye molecules and improve LHE, resulting in high power conversion efficiency (PCE). Doping is a prospective methodology to tune the bandgap and broaden spectral absorption. Hence, a novel and cost-effective synthesis of high surface area transition metal (TM) doped TiO2nanocrystals (NCs) via the metal–organic framework route for DSSCs is reported here. Among the TM dopants (i.e., Mn, Fe, Ni), a remarkable PCE of 7.03% was obtained for nickel-doped samples with increased Jsc (14.66 mA/cm2) due to the bandgap narrowing and porous morphology of TiO2. The findings were further confirmed using electrochemical impedance spectroscopy (EIS) and dye-desorption experiments. The present study expedites a promising way to enhance the LHE for many innovative optoelectronic devices.
Moiré straintronics: a universal platform for reconfigurable quantum materials
Authors: Kögl M. , Soubelet P. , Brotons-Gisbert M. , Stier A. V. , Gerardot B. D. , Finley J. J.
Published: April 2023

Large-scale two-dimensional (2D) moiré superlattices are driving a revolution in designer quantum materials. The electronic interactions in these superlattices, strongly dependent on the periodicity and symmetry of the moiré pattern, critically determine the emergent properties and phase diagrams. To date, the relative twist angle between two layers has been the primary tuning parameter for a given choice of constituent crystals. Here, we establish strain as a powerful mechanism to in situ modify the moiré periodicity and symmetry. We develop an analytically exact mathematical description for the moiré lattice under arbitrary in-plane heterostrain acting on any bilayer structure. We demonstrate the ability to fine-tune the moiré lattice near critical points, such as the magic angle in bilayer graphene, or fully reconfigure the moiré lattice symmetry beyond that imposed by the unstrained constituent crystals. Due to this unprecedented simultaneous control over the strength of electronic interactions and lattice symmetry, 2D heterostrain provides a powerful platform to engineer, tune, and probe strongly correlated moiré materials.
Pigmentation and TYRP1 expression are mediated by zinc through the early secretory pathway-resident ZNT proteins
Authors: Wagatsuma Takumi , Suzuki Eisuke , Shiotsu Miku , Sogo Akiko , Nishito Yukina , Ando Hideya , Hashimoto Hisashi , Petris Michael J. , Kinoshita Masato , Kambe Taiho
Published: April 2023

Tyrosinase (TYR) and tyrosinase-related proteins 1 and 2 (TYRP1 and TYRP2) are essential for pigmentation. They are generally classified as type-3 copper proteins, with binuclear copper active sites. Although there is experimental evidence for a copper cofactor in TYR, delivered via the copper transporter, ATP7A, the presence of copper in TYRP1 and TYRP2 has not been demonstrated. Here, we report that the expression and function of TYRP1 requires zinc, mediated by ZNT5–ZNT6 heterodimers (ZNT5–6) or ZNT7–ZNT7 homodimers (ZNT7). Loss of ZNT5–6 and ZNT7 function results in hypopigmentation in medaka fish and human melanoma cells, and is accompanied by immature melanosomes and reduced melanin content, as observed in TYRP1 dysfunction. The requirement of ZNT5–6 and ZNT7 for TYRP1 expression is conserved in human, mouse, and chicken orthologs. Our results provide novel insights into the pigmentation process and address questions regarding metalation in tyrosinase protein family.
Ultra-efficient generation of time-energy entangled photon pairs in an InGaP photonic crystal cavity
Authors: Chopin Alexandre , Barone Andrea , Ghorbel Inès , Combrié Sylvain , Bajoni Daniele , Raineri Fabrice , Galli Matteo , De Rossi Alfredo
Published: April 2023

The typical approaches to generate heralded single photons rely on parametric processes, with the advantage of generating highly entangled states at the price of a random pair emission. To overcome this limit, degenerate spontaneous Four-Wave-Mixing is a reliable technique which combines two pump photons into a pair of signal and idler photons via Kerr nonlinear optical effect. By exploiting the intrinsic small confinement volume and thermally tuning the resonances of a 20 μm-long Photonic Crystal cavity, we efficiently generate time-energy entangled photon pairs and heralded single photons at a large maximum on-chip rate of 22 MHz, using 36 μW of pump power. We measure time-energy entanglement with net visibility up to 96.6 % using 1 second integration time constant. Our measurements demonstrate the viability of Photonic Crystal cavities to act as an alternative and efficient photon pair source for quantum photonics.
Thermochronometry constraints on south West Greenland passive continental margin development
Authors: Danišík Martin , Kirkland Christopher L.
Published: April 2023

Passive continental margins (PCMs) represent the interface between the marine and terrestrial realms. However, topographic evolution of PCMs is often difficult to decipher due to paucity of the preserved geological record. Here, we report uranium-thorium-helium ((U-Th)/He) analysis of the Precambrian crystalline basement from southern West Greenland that help constrain the process of rifting between Greenland and North America and contributes to the debate about the West Greenland PCM development. The majority of zircon (U-Th)/He dates (220-580 Ma) imply several kilometres of burial of the basement by Paleozoic (and potentially Mesozoic) sediments. Apatite (U-Th)/He dates (80-230 Ma) record thermal processes associated with extensional tectonism starting in the Late Triassic and passive margin formation in the Early Cretaceous. Our data provide no evidence of thermal activity during Cenozoic times, suggesting that the thermal effects of Paleogene rifting and break-up were negligible and the magnitude of Cenozoic erosion was <3.5 km in the study area.
Examining equity in access and utilization of a freely available meditation app
Authors: Jiwani Zishan , Tatar Raquel , Dahl Cortland J. , Wilson-Mendenhall Christine D. , Hirshberg Matthew J. , Davidson Richard J. , Goldberg Simon B.
Published: April 2023

Digital interventions have the potential to alleviate mental health disparities for marginalized and minoritized communities. The current study examined whether disparities in access and utilization of meditation in the United States (US) were reduced for a freely available meditation app. We analyzed demographic and usage data from US-based users of the Healthy Minds Program (HMP; N = 66,482) between October 2019 and July 2022. College education was associated with a greater likelihood of accessing (65.0% of users vs. 32.9% of the US population) and continuing to utilize the app (β = 0.11–0.17). Conversely, identifying as African American was associated lower likelihood of accessing (5.3% vs. 13.4% of the US population) and continuing to utilize the app (β = −0.02–0.03). African Americans were more likely to access content from an African American meditation teacher, but this did not appear to increase utilization. Additional efforts are warranted to identify factors that might reduce disparities.
Dinuclear metal synergistic catalysis for energy conversion
Authors: Zhong Di-Chang , Gong Yun-Nan , Zhang Chao , Lu Tong-Bu
Published: April 2023

An exclusive review focusing on catalysts exhibiting the dinuclear metal synergistic catalysis (DMSC) effect for energy conversion reactions is presented.
Mechanical properties and peculiarities of molecular crystals
Authors: Awad Wegood M. , Davies Daniel W. , Kitagawa Daichi , Mahmoud Halabi Jad , Al-Handawi Marieh B. , Tahir Ibrahim , Tong Fei , Campillo-Alvarado Gonzalo , Shtukenberg Alexander G. , Alkhidir Tamador , Hagiwara Yuki , Almehairbi Mubarak , Lan Linfeng , Hasebe Shodai , Karothu Durga Prasad , Mohamed Sharmarke , Koshima Hideko , Kobatake Seiya , Diao Ying , Chandrasekar Rajadurai , Zhang Hongyu , Sun Changquan Calvin , Bardeen Christopher , Al-Kaysi Rabih O. , Kahr Bart , Naumov Panče
Published: April 2023

Molecular crystals have shown remarkable adaptability in response to a range of external stimuli. Here, we survey this emerging field and provide a critical overview of the experimental, computational and instrumental tools being used to design and apply such materials.
Emerging concepts in intermediate carbon dioxide emplacement to support carbon dioxide removal
Authors: Breunig Hanna Marie , Rosner Fabian , Lim Tae-Hwan , Peng Peng
Published: April 2023

Evaluation of materials for reversible solid-state and chemical CO2 storage.
A chemoinformatic analysis on natural glycosides with respect to biological origin and structural class
Authors: Chen Yinliang , Liu Yi , Chen Nianhang , Jin Yuting , Yang Ruofei , Yao Hucheng , Kong De-Xin
Published: April 2023

Glycosylation is one of the most important modifications of natural products. This highlight gives the glycosylation preference of the natural products in the DNP database with the aspect of biological source and structural class.
Reply to the ‘Comment on “Fluorimetric sensing of ATP in water by an imidazolium hydrazone based sensor”’ by S. Farshbaf and P. Anzenbacher Jr., Chem. Commun., 2019, 55, 1770
Authors: Farshbaf Sepideh , Anzenbacher Pavel
Published: April 2023

Bisantrene is marginally soluble in water, insoluble in high-ionic strength buffers and may require organic co-solvent such as DMSO to dissolve. Counter-ions and ionic strength of the medium must be considered when designing biological experiments.
A brief review on solar charging of Zn–air batteries
Authors: Lianos Panagiotis
Published: April 2023

Solar charging of a Zn-air battery and battery operation in one single device.
Formation and reactivity of NHC-boryl radicals: insight into substituent effect from theoretical calculations
Authors: Zhang Lin , Cao Zexing
Published: April 2023

Formation of NHC-boryl radicals can be well regulated through the multi-site-modification of NHC-boranes, and the spin density of the radical boron center is a reasonable descriptor for properties and reactivities of these boron-based systems.
Current-density pathways in figure-eight-shaped octaphyrins
Authors: Wang Qian , Pyykkö Jaakko , Dimitrova Maria , Taubert Stefan , Sundholm Dage
Published: April 2023

Determining the aromatic nature of lemniscular octaphyrins using separated diatropic and paratropic contributions to the magnetically induced current density.
N-Heterocyclic carbene supported zinc catalysed N-formylation of diverse N–H functionalities with carbon dioxide under ambient conditions
Authors: Sahoo Sangita , Manna Subarna , Rit Arnab
Published: April 2023

A heteroditopic NHC ligand supported Zn-catalysed RT N-formylation of diverse N–H moieties with CO2 (1 bar) using PhSiH3 was developed, which offers excellent functional group tolerance, chemoselectivity, and synthons for biologically relevant compounds.
Enantiopure cycloplatinated pentahelicenic N-heterocyclic carbenic complexes that display long-lived circularly polarized phosphorescence
Authors: Kundu Debsouri , del Rio Natalia , Cordier Marie , Vanthuyne Nicolas , Puttock Emma V. , Meskers Stefan C. J. , Williams J. A. Gareth , Srebro-Hooper Monika , Crassous Jeanne
Published: April 2023

The first CPL-active square-planar Pt(ii) complexes bearing a bidentate pentahelicenic NHC ligand have been prepared and characterized.
Porous CoSe2 nanosheet arrays derived from zeolitic imidazolate frameworks on Ni foam for asymmetric supercapacitors
Authors: Fan Jincheng , Peng Zhuo , Chen Meilin , Yang Wei , Zou Hanbo , Chen Shengzhou
Published: April 2023

In this paper, porous CoSe2 nanosheets were prepared by the hydrothermal method. Their unique nanosheet array structure provides abundant active sites and fast ion transport channels, and thus the material exhibit excellent electrochemical performance.
Tris(carbene)borates; alternatives to cyclopentadienyls in organolanthanide chemistry
Authors: Price Amy N. , Gupta Ankur K. , de Jong Wibe A. , Arnold Polly L.
Published: April 2023

The chemistry of the tris-carbene anion phenyltris(3-alkyl-imidazoline-2-yliden-1-yl)borate, [C3Me]− ligand, is initiated in the f-block.
Triplex metallohelices have enantiomer-dependent mechanisms of action in colon cancer cells
Authors: Coverdale J. P. C. , Kostrhunova H. , Markova L. , Song H. , Postings M. , Bridgewater H. E. , Brabec V. , Rogers N. J. , Scott P.
Published: April 2023

Modes of cancer cell influx/efflux and molecular mechanism of action depend on absolute configuration at the metal.
Transdermal on-demand drug delivery based on an iontophoretic hollow microneedle array system
Authors: Detamornrat Usanee , Parrilla Marc , Domínguez-Robles Juan , Anjani Qonita Kurnia , Larrañeta Eneko , De Wael Karolien , Donnelly Ryan F.
Published: April 2023

A fully integrated hollow microneedle array based iontophoretic system has been designed for on-demand drug delivery of model drugs and tested in vitro and ex vivo in porcine skin.
Giant change of MoS2 optical properties along amorphous–crystalline transition: broadband spectroscopic study including the NIR therapeutic window
Authors: Mistrik Jan , Krbal Milos , Prokop Vit , Prikryl Jan
Published: April 2023

The annealing of MoS2 films shows a transition from the mixed 1T′@2H local order (amorphous) toward the long-range 2H order (polycrystalline). So far uncovered potential of amorphous MoS2 as an agent for photothermal therapy is evidenced.
Bringing ultimate depth to scanning tunnelling microscopy: deep subsurface vision of buried nano-objects in metals
Authors: Kurnosikov Oleg , Sicot Muriel , Gaudry Emilie , Pierre Danielle , Lu Yuan , Mangin Stéphane
Published: April 2023

Scanning tunneling microscopy using near-surface quantum well states is able to detect and characterize nano-objects hidden in metals at a depth of several tens of nanometers, without destroying the sample.
A NIR-II fluorescent probe for high contrast non-invasive imaging of tumors with a high EGFR-expression
Authors: Hong Zheng-Yuan , Liu Hai-Ming , Tang Bo , Wu Min
Published: April 2023

A novel NIR-II fluorescent probe CH1055-PEG1k-GE11 enabled high contrast imaging of tumor with a high EGFR-expression in vivo.
Synthesis of fused quinazolinones via visible light induced cyclization of 2-aminobenzaldehydes with tetrahydroisoquinolines
Authors: Chen Xuehua , Jin Liang , Wang Yihong , Yang Hong , Le Zhanggao , Xie Zongbo
Published: April 2023

Synthesis of fused quinazolinones from 2-aminobenzaldehydes (ketones) induced by visible light under mild conditions has been reported for the first time. Broad substrate scope, good tolerance of functionalities, show the versatility of the reaction.
First total synthesis of type II abyssomicins: (±)-abyssomicin 2 and (±)-neoabyssomicin B
Authors: Canko Aleksander , Athanassopoulou Georgia D. , Psycharis Vassilis , Raptopoulou Catherine P. , Herniman Julie M. , Mouchtouris Vasileios , Foscolos Angeliki Sofia , Couladouros Elias A. , Vidali Veroniki P.
Published: April 2023

The first total synthesis of type II (±)-abyssomicin 2, (±)-neoabyssomicin B via two pathways and a type I derivative are presented.
High-performance boron-containing phthalonitrile resins
Authors: Kong Wenjing , Sun Jiaqi , Gao Muyao , Li Tianhao , Liu Ming , Song Yujie
Published: April 2023

Boron-containing phthalonitrile resins with good thermal stability, good flame retardancy and good thermo-mechanical properties.
Glycopolymers based on carbohydrate or vinyl backbones and their biomedical applications
Authors: Wang Jing , Zhou Ji , Ding Yuzhuo , Hu Xiangguo , Chen Yiwang
Published: April 2023

Applications of sugar-containing polymers in lectin recognition, bacterial adhesion, hydrogels, bioimaging, and drug and gene delivery.
Geometric isomers of asymmetric rigid four-membered chelating ring based deep-red-emitting iridium complexes featuring three charged (0, −1, −2) ligands
Authors: Zeng Ruoqi , Li Nengquan , Li Feiyang , Shi Chao , Jiang Zhen , Zhang Fuzheng , Li Qiuxia , Ye Kaishun , Yuan Aihua , Yang Chuluo
Published: April 2023

A new series of asymmetric four-membered chelating ring based geometric isomers of iridium complexes featuring three charged (0, −1, −2) ligands have been prepared. All isomers show effective deep-red emission and finally exhibit good OLED performance.
High-response H2 sensing performances of ZnO nanosheets modulated by oxygen vacancies
Authors: Zhou Shiyu , Yan Wenjun , Ling Min , Liang Chengdu
Published: April 2023

A facile solution reduction method of NaBH4 was developed to modulate the oxygen vacancies of ZnO nanosheets. The sample with richer oxygen vacancies exhibits a lower working temperature (150 °C) with a great response (38.2).
Synthesis of atropisomeric phosphino-triazoles and their corresponding gold(i) complexes
Authors: Zhao Yiming , Meloni Fernanda , Male Louise , Le Duff Cécile S. , Brittain William D. G. , Buckley Benjamin R. , Fossey John S.
Published: April 2023

The synthesis of atropisomeric phosphino-triazoles through a CuAAC approach is disclosed. Gold(i) chloride complexes of single-enantiomer phosphines were then prepared and again demonstrated to be conformationally stable.
Removal of trichloroethene by glucose oxidase immobilized on magnetite nanoparticles
Authors: Wang Mengyang , Huang Yao , Liu Hui
Published: April 2023

To overcome the safety risks and low utilization efficiency of H2O2 in traditional Fenton processes, in situ production of H2O2 by enzymatic reactions has attracted increasing attention recently.
In situ hydrogen production from hydrocarbon reservoirs – modelling study
Authors: Ikpeka Princewill M. , Ugwu Johnson O.
Published: April 2023

In situ hydrogen production model was developed based on four hydrogen-forming reactions under reservoir conditions. The model was then validated and used to analyse the effect of steam and oxygen composition on the amount of hydrogen produced.
On the non-bonding valence band and the electronic properties of poly(triazine imide), a graphitic carbon nitride
Authors: Burmeister David , Eljarrat Alberto , Guerrini Michele , Röck Eva , Plaickner Julian , Koch Christoph T. , Banerji Natalie , Cocchi Caterina , List-Kratochvil Emil J. W. , Bojdys Michael J.
Published: April 2023

PTI nano-crystals have quenched electroluminescence. Disorder at crystal interfaces limits charge transport in PTI films. For future device applications, single crystal devices using electron transport in the lowest conduction band show promise.
Palladium-catalysed enantio- and regioselective (3 + 2) cycloaddition reactions of sulfamidate imine-derived 1-azadienes towards spirocyclic cyclopentanes
Authors: Pham Quoc Hoang , Tague Andrew J. , Richardson Christopher , Gardiner Michael G. , Pyne Stephen G. , Hyland Christopher J. T.
Published: April 2023

Formation of valuable spiroheterocycles with multiple contiguous stereogenic centres from palladium-catalysed enantioselective (3 + 2) cycloaddition reactions of sulfamidate-derived azadienes and vinylcyclopropanes.
CdS based 3D nano/micro-architectures: formation mechanism, tailoring of visible light activities and emerging applications in photocatalytic H2 production, CO2 reduction and organic pollutant degradation
Authors: Prakash Jai , Kumar Pragati , Saxena Nupur , Pu Zonghua , Chen Zhangsen , Tyagi Ankit , Zhang Gaixia , Sun Shuhui
Published: April 2023

CdS-based 3D nano/micro-architectures, their formation mechanism and tailoring of properties for visible light induced photocatalytic activities in energy and environmental applications are presented.
In situ TEM analysis of reversible non-180° domain switching in (K,Na)NbO3 single crystals
Authors: Guo Qinwen , Hu Chengpeng , Li Xiangfei , Meng Ying , Wang Luyao , Zhuang Haoyu , Shen Xi , Yao Yuan , Tian Hao , Zhou Zhongxiang , Yu Richeng
Published: April 2023

The built-in flexoelectric effect serves as a restoring force for reversible non-180° ferroelectric domain switching in the compositionally graded (K,Na)NbO3 single crystal, and thus enhances the piezoelectric properties.
Recent progress of copper halide perovskites: properties, synthesis and applications
Authors: Qu Junfeng , Xu Shuhong , Shao Haibao , Xia Pengfei , Lu Changgui , Wang Chunlei , Ban Dayan
Published: April 2023

Improvement in the synthesis of copper halide perovskites is fundamental in applications of different areas including LEDs, energy harvesting, detection,etc., and further highlights the direction for future research.
Orthogonal anthracene and pyrene derivatives for efficient pure deep-blue organic light-emitting diodes
Authors: Jiang He , Li Hanlin , Jin Jibiao , Bodedla Govardhana Babu , Tao Peng , Ma Dongge , Wong Wai-Yeung
Published: April 2023

Two new deep-blue emitters based on anthracene and pyrene moieties PyAnPy and PyTAnPy were designed and synthesized for application in highly efficient triplet-triplet annihilation-based organic light-emitting diodes.
Superconducting Be2SH3 with kagome hydrogen at high pressure
Authors: Gu Tingting , Cui Wenwen , Hao Jian , Shi Jingming , Li Yinwei
Published: April 2023

Hydrogen atoms in Be2SH3 form an intriguing kagome lattice, which is energetically stable and exhibits superconductivity below megabar pressures.
Atomically dispersed Co/Ni dual sites embedded in nitrogen-doped graphene for boosting oxygen evolution
Authors: Deng Yaoyao , Lin Yao , Zhang Minxi , Dai Rentong , Luo Zhen , Zhou Quanfa , Xiang Mei , Bai Jirong , Lu Shuanglong
Published: April 2023

Atomically dispersed Co/Ni dual sites anchored on nitrogen-doped graphene (CoNi-DSA/NG) were implemented by a two-step pyrolysis strategy.
Speech Entrainment in Adolescent Conversations: A Developmental Perspective
Authors: Wynn Camille J. , Barrett Tyson S. , Berisha Visar , Liss Julie M. , Borrie Stephanie A.
Published: April 2023

Purpose:

Defined as the similarity of speech behaviors between interlocutors, speech entrainment plays an important role in successful adult conversations. According to theoretical models of entrainment and research on motoric, cognitive, and social developmental milestones, the ability to entrain should develop throughout adolescence. However, little is known about the specific developmental trajectory or the role of speech entrainment in conversational outcomes of this age group. The purpose of this study is to characterize speech entrainment patterns in the conversations of neurotypical early adolescents.

Method:

This study utilized a corpus of 96 task-based conversations between adolescents between the ages of 9 and 14 years and a comparison corpus of 32 task-based conversations between adults. For each conversational turn, two speech entrainment scores were calculated for 429 acoustic features across rhythmic, articulatory, and phonatory dimensions. Predictive modeling was used to evaluate the degree of entrainment and relationship between entrainment and two metrics of conversational success.

Results:

Speech entrainment increased throughout early adolescence but did not reach the level exhibited in conversations between adults. Additionally, speech entrainment was predictive of both conversational quality and conversational efficiency. Furthermore, models that included all acoustic features and both entrainment types performed better than models that only included individual acoustic feature sets or one type of entrainment.

Conclusions:

Our findings show that speech entrainment skills are largely developed during early adolescence with continued development possibly occurring across later adolescence. Additionally, results highlight the role of speech entrainment in successful conversation in this population, suggesting the import of continued exploration of this phenomenon in both neurotypical and neurodivergent adolescents. We also provide evidence of the value of using holistic measures that capture the multidimensionality of speech entrainment and provide a validated methodology for investigating entrainment across multiple acoustic features and entrainment types.
Attention Modulates the Role of Speakers' Voice Identity and Linguistic Information in Spoken Word Processing: Evidence From Event-Related Potentials
Authors: Ma Yunxiao , Yu Keke , Yin Shuqi , Li Li , Li Ping , Wang Ruiming
Published: April 2023

Purpose:

The human voice usually contains two types of information: linguistic and identity information. However, whether and how linguistic information interacts with identity information remains controversial. This study aimed to explore the processing of identity and linguistic information during spoken word processing by considering the modulation of attention.

Method:

We conducted two event-related potentials (ERPs) experiments in the study. Different speakers (self, friend, and unfamiliar speakers) and emotional words (positive, negative, and neutral words) were used to manipulate the identity and linguistic information. With the manipulation, Experiment 1 explored the identity and linguistic information processing with a word decision task that requires participants' explicit attention to linguistic information. Experiment 2 further investigated the issue with a passive oddball paradigm that requires rare attention to either the identity or linguistic information.

Results:

Experiment 1 revealed an interaction among speaker, word type, and hemisphere in N400 amplitudes but not in N100 and P200, which suggests that identity information interacted with linguistic information at the later stage of spoken word processing. The mismatch negativity results of Experiment 2 showed no significant interaction between speaker and word pair, which indicates that identity and linguistic information were processed independently.

Conclusions:

The identity information would interact with linguistic information during spoken word processing. However, the interaction was modulated by the task demands on attention involvement. We propose an attention-modulated explanation to explain the mechanism underlying identity and linguistic information processing. Implications of our findings are discussed in light of the integration and independence theories.
Secure wireless communications for STAR‐RIS‐assisted millimetre‐wave NOMA uplink networks
Authors: Liu Ya , Huang Kaizhi , Sun Xiaoli , Yang Jie , Zhao Jianlei
Published: April 2023

This paper explores the potential application of simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR‐RIS) in improving the physical layer security (PLS) of millimetre wave (mmWave) non‐orthogonal multiple access (NOMA) uplink communications. In particular, the legitimate users on both sides of STAR‐RIS send confidential information simultaneously to the base station (BS) while keeping it secret from the eavesdroppers near the BS by exploiting the STAR‐RIS to proactively regulate the electromagnetic propagation environment. By jointly designing the transmit power, the active beamforming at the BS, and the reflecting/transmitting coefficients at the STAR‐RIS, the authors' goal is to maximize the minimum secrecy capacity subject to the successive interference cancellation decoding order constraints. Due to the non‐convexity of the formulated problem, an efficient algorithm is proposed by capitalizing on alternating optimization, a penalty‐based approach, successive convex approximation, and semi‐definite relaxation. Firstly, a two‐layer iterative algorithm based on the penalty for the joint beamforming optimization sub‐problem is proposed. Then, the non‐convex problem is transformed into a convex positive semi‐definite programming problem for the transmit power sub‐problem. Numerical simulation results reveal that the STAR‐RIS‐aided system has more tremendous advantages and effectiveness in improving the PLS of mmWave NOMA uplink communication compared with the benchmark schemes.
Direct observation of solar wind proton heating from in situ plasma measurements
Authors: Mozer F. S. , Agapitov O. V. , Kasper J. C. , Livi R. , Romeo O. , Vasko I. Y.
Published: April 2023

Aims. We determine the perpendicular and parallel proton heating rate in the solar wind, which is one of the primary goals of the Parker Solar Probe mission.

Methods. To estimate the perpendicular and parallel proton heating rates from direct particle measurements by the SPAN electrostatic analyzers, the strong correlation between the proton temperature and the solar wind speed must be removed. This speed dependence is removed by normalization factors that convert the instantaneous temperature to the value it would have if the solar wind speed were 400 km s−1. One-hour and five-hour averages of the normalized perpendicular and parallel temperatures, measured on orbits 6–9, between 20 and 160 solar radii, are compared to the radial dependence they would have if there were no heating.

Results. For the first time, perpendicular proton heating has been measured between 20 and 160 solar radii while there is neither heating nor cooling of the parallel protons below 70 solar radii. The extrapolated proton perpendicular temperature at one AU in a 400 km s−1 solar wind is 25 eV, which compares well with several earlier measurements. This result attests to the quality of the temperature measurements made by the particle detectors on the Parker Solar Probe. The heating rates, in ergs cm−3 s−1, that produced the observed perpendicular temperature are 6e−12 at 20 solar radii, 1e−13 at 50 solar radii, and 5e−14 at 160 solar radii.
Integration with cultures and micro-clonal breeding of strawberries in the conditions of “in vitro”
Authors: Allayorov Abdurokhman , Zuparov Mirakbar , Yuldoshov Shavkat , Buronov Fakhriddin
Published: April 2023

Strawberries (Fragaria x ananassa Duch.) are exposed to the world and is 70% of the world's breeding fruits in the world. The cultivation of strawberries is growing every year, now the yield of this crop has exceeded 4 million tons per year. The article was tested by various concentration of sodium hyphosts for steriles in the article. Nutrients containing nitrogen, phosphorus, potassium, calcium, sulfur, magnesium, iron and trace elements: boron, zinc, copper, cobalt, manganese, iodine, molybdenum, as well as vitamins, carbohydrates, carbohydrates, and phytohormones are used for growing plants. Casein hydrolyzate and some amino acids are added to some food media. In addition, EDTA (ethylenediamine-tetraacetic acid) or its sodium salt is added to the nutritional medium to meet the iron needs of the cells. In the sterulation of strawberries plant, the affected plants were 16.3%, and the survival rate was 83.7%, when carried out in the solution of the surface in sterulation of the surface. In micro-clonal breeding, the development of plants in the options of BAP +2 and NAA + 1 in the options added to 89.7% were 89.7%.
Creation of topographic plans using unmanned aerial photography
Authors: Ten Yuri , Schukina Olga , Valieva Albina
Published: April 2023

Program Agisoft Photoscan is a universal tool for generating 3D surface models of surveyed objects from photographic images of these objects. Photoscan is successfully used both for building models of objects and objects of different scales - from miniature archaeological artifacts to large buildings and structures, and for building terrain models based on aerial photography data and generating DEMs and orthomosaics based on these models . Data processing in Photoscan is extremely automated: the operator is entrusted only with the functions of monitoring and managing the operating modes of the program. This article discusses the use of aerial photography from an unmanned aerial vehicle (UAV) when creating digital orthophoto and topographic plans. On the improvement of the applied complexes with the use of UAVs for obtaining APS materials for cartographic purposes. Ease of UAV control, deadlines and quality, timeliness of the data transmitted from them, in our opinion, confirms the feasibility of performing these works on the creation of digital topographic maps and plans.
Comparative characteristics of ultradian rhythms of critical infrastructure employees under various conditions of professional activity
Authors: Bashkireva Anastasia , Chibisov Sergey , Severin Alexander , Severina Evgeniya , Bashkireva Tatiana , Prutzkow Alexander
Published: April 2023

The article gives a comparative description of the ultradian rhythms of workers in critical infrastructures in various conditions of professional activity. In connection with the need to conduct repair and adjustment work, workers in critical infrastructures carry out their labor activities, often migrating to areas remote from their permanent place of residence. The study of the relevance to the health and functional capabilities of the body of workers in critical infrastructures according to ultradian rhythms has not been sufficiently studied. The study used the software-statistical complexes “Varicard” and “HolterLive” in the statistical processing “ISCIM6.0”. The HRV indicators were studied in a group of ground service workers in the usual natural and climatic production conditions and in a group of landing on the Arctic islands to perform repair and adjustment work. Studies have established that both groups experienced an energy-deficient state, which reduces resistance and causes an overstrain of the adaptation mechanisms of the autonomic nervous system in controlling the regulation of the heart rhythm. The results of the study showed that intense workload in extreme conditions of extreme professional activity negatively affects the state of health characteristic of maladaptation.
Regional banking systems and their digitalization processes
Authors: Tashtamirov Magomed , Dzhamoldinova Larisa
Published: April 2023

Long-term tendencies in the economical development of specific regions determine the nature of digital transformations in their respective socio-economic systems. The global trend for digitization of economical and financial relationships affects the growth direction of national economies and their local components. This issue remains relevant for many countries, including Russia. The present study examines the specificity of digitization processes in regional banking systems and banking markets and the problems associated with them. The authors focus on digitalization and financial availability rates in the most economically depressed regions of the country. This article aims to identify barriers to the digitalization of banking markets in a specific category of Russian federal subjects demonstrating insufficient banking institutions and low banking activity. The authors hypothesize that the digitalization rate in banking markets depends on the availability of banking institutions in the region and the development of informational and communicational infrastructure. In order to achieve the stated goal, the authors used structural and dynamic analysis, method of coefficients, and index method. The paper considers the necessity and major factors of digital transformation in the separated regional economy. The authors provide definitions for digital finance and access to finance. Furthermore, they describe the relationship between these spheres in modern conditions. The conducted analysis covers digitalization rates in a group of economically lagging regions and digitalization outsiders. The authors assess whether the researched regions have satisfactory access to banking services and determine the extent to which the regional informatization indicators correlate with the overall digitalization of the banking sector.
The state of zooplankton in the feeding pond when growing commercial underyearlings of carp using a one-year combined technology
Authors: Sevasteev Sergey
Published: April 2023

The paper presents the characteristics of the zooplankton of a feeding pond when it is stocked with carp larvae grown in recycling aquaculture systems (RAS). Larvae were received in the RAS by the factory method of reproduction on April 26, 2020, which is at least 1 month earlier than the terms of natural spawning of carp in ponds. Increasing the growing season allows you to get commercial carp in one season instead of 2 years. The mass of larvae during stocking was 50.1 ± 2.5 mg. 210,000 pieces of carp larvae were released into a feeding pond with an area of 20 hectares on 05/15/2020. The research took place on a reservoir located in the Ordynsky district of the Novosibirsk region from 15.05.2018 to 30.09.2018 and from 15.05.2020 to 30.09.2020. In 2018, the cultivation of commercial two-year-olds from carp yearlings weighing 70.2 = 10.3 g from 29.05.2018. The total volume of stocking is 700 kg. The aim of the research was to study the species composition of zooplankton in a feeding pond during its early stocking by an undergrown carp larva and compare it with the traditional technology of the introduction of carp yearlings. The tasks included: to establish the thermal regime of the reservoir, abundance and biomass of zooplankton, to identify the dynamics of the mass of carp fingerlings and to establish feed coefficients.
Mathematical modeling of the process of extracting fat from insects by a screw press in the technology of obtaining feed additives
Authors: Rudoy Dmitry , Pakhomov Victor , Maltseva Tatiana , Ghukasyan Lusine , Odabashyan Mary
Published: April 2023

The use of insects as raw materials for the production of feed additives is becoming an increasingly relevant and promising area of research. Nevertheless, this area requires numerous studies, including theoretical ones. The article presents the results of research on mathematical modeling of the process of obtaining feed additives in the form of fat and protein from the larva of the Black soldier fly (Hermetia illucens) in a screw press. Mathematical models have been obtained that allow theoretically determining the productivity of a screw press and its energy intensity in the processing of insect biomass. The models are based on the Navier–Stokes equation and Darcy’s law and take into account the design and kinematic parameters of the screw press and the rheological properties of the biomass of the face and the resulting fat.