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Particuology 2024年第10期93卷 1-10页

作者： Muhammad Hariz Asraf nik Ahmad Nizam nik Malek Muhammad Redza Mohd Radzi Hendra Susanto Department of Biosciences Faculty of ScienceUniversiti Teknologi Malaysia81310SkudaiJohorMalaysia Centre for Sustainable Nanomaterials(CSNano) Ibnu Sina Institute for Scientific and Industrial Research(ISI-SIR)Universiti Teknologi Malaysia81310UTMJohorMalaysia Department of Biology Faculty of Mathematics and Natural SciencesUniversitas Negeri MalangIndonesia

Conventionally synthesized silver nanoparticles(AgNP)imposed an alarming effect on the environment and caused toxicity to ***,the use of zeolite(zeoY)as a support system could increase its biocompatibility and reduce its ***,green synthesis of AgNP using Persicaria odorata leaves extract supported on zeolite Y has been prepared by an in situ synthesis *** phytochemical compounds in the optimized leaf extract concentration of 1%and volume of 0.9 mL reduced the silver ions to AgNP within the zeolite Y *** observation revealed the incorporation of AgNP in the zeolite Y(average size:18.51 nm).The release of AgNP exhibited antibacterial activity on *** at a concentration lower than 1 g L^(−1) which is also dependent on the ***-zeoY promoted cell proliferation in vitro and it has a non-irritating effect when tested in the in vivo skin irritation model.

关键词： Silver nanoparticles Biosynthesis Zeolite Antibacterial Biocompatible

Factors determining changes in the network of marked hiking trails in the Sudetes

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Journal of Mountain Science 2024年第4期21卷 1075-1099页

作者： krzysztof KOŁODZIEJCZYK Department of Regional Geography and Tourism Institute of Geography and Regional DevelopmentFaculty of Earth Sciences and Environmental ManagementUniversity of WroclawNo.1Uniwersytecki Square50-137 WroclawPoland

Hiking trails are a basic type of tourist infrastructure,which,on the one hand,make areas available for tourist traffic,and on the other hand,can contribute to the protection of the natural environment(if they are well designed and maintained).Owing to the variety of performed functions,their designation is determined by several factors:natural,technical,economic,*** of trails change *** aim of this article is to determine exactly what factors influence transformations within the hiking trail networks and what is their *** this end,three study areas in the Sudetes were analysed:one on the Polish side of the Sudetes-the Table(Stołowe)Mountains,and two on the Czech side-the rock town near the village of Sloup vČechách and the central part of Zlatohorská*** analysis of changes in the shape of the networks over time was carried out,as well as surveys of institutions that were responsible for or influenced these *** areas are characterised by a significant level of changes in the trail *** the factors influencing these changes,the tourist attractiveness of the area,the resilience of the environment,the intensity of tourism traffic,the environmental transformations associated with it,the history of tourism development and land ownership changes should be considered the most *** each stage of forming networks,the key factor should be tourists’needs,including the desire to escape the urbanised *** this reason,trails should avoid roads with artificial(hard)surfaces and heavy automobile traffic.

关键词： Hiking trails Trail networks Graphs Tourist traffic Sudetes

The Generalized Stackelberg Equilibrium of the Two-Person Stopping Game

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Journal of the Operations Research Society of China 2024年第1期12卷 155-168页

作者： Marek Skarupski krzysztof J.Szajowski Faculty of Pure and Applied Mathematics Wroclaw University of Science and Technology50-370WrocƚawDolonoslaskiePoland

In modeling the bilateral selection of states of the process,Dynkin(Dokl Akad Nauk USSR 185:241–288,1969)proposed a two-person game in which players use stopping moments as *** purpose of this work is to present a model of the game in which the players have different information about the process itself,as well as various laws to stop the process and accept its *** game model uses the stochastic process apparatus,in particular,the ability to create different filters for the same *** sets of stopping moments based on different filters are not identical,which allows us to model different sets of strategies for *** show that the follower,by observing the behavior of a rational leader,can recover information that is lost due to the lack of complete observation of the state of the *** the competition of two opponents for the maximum of the ***,one of whom has access to full information and the other only knows their relative ranks,we found the generalized Stackelberg *** the priority of a player observing the relative ranks is less than 50%,then that player modifies his strategy based on the behavior of the second *** a player with full information,information about the behavior of the player observing the relative ranks is useless.

关键词： No-zero-sum game Optional stopping Equilibrium Filtration

The global stability and optimal control of the COVID-19 epidemic model

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International Journal of Biomathematics 2024年第1期17卷 1-28页

作者： Fengsheng Chien Hassan Saberi nik Mohammad Shiraziant J.F.Gomez-Aguilar School of Finance and Accounting Fuzhou University of International Studies and Trade Fuzhou 352020 P.R.China Faculty of Business City university of Macao Macao 999078P.R.China Department of Mathematics and Statistics University of Neyshabur NeyshaburIran CONACyT-Tecnologico Nacional de Mécico/CENIDET Interior Internado Palmira S/N Col.Palmira C.P.62490CuernavacaMorelosMérico

This paper considers stability analysis of a Susceptible-Exposed-Infected-Recovered-Virus(SEIRV)model with nonlinear incidence rates and indicates the severity and weakness of control factors for disease *** Lyapunov function using Volterra-Lyapunov matrices makes it possible to study the global stability of the endemic equilibrium *** optimal control strategy is proposed to prevent the spread of coronavirus,in addition to governmental *** objective is to minimize together with the quantity of infected and exposed individuals while minimizing the total costs of treatment.A numerical study of the model is also carried out to investigate the analytical results.

关键词： Global stability SEIRV epidemic model dynamical systems Volterra-Lyapunov stability optimal control

Added value of ratio of cross diameters of the appendix in ultrasound diagnosis of acute appendicitis

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World Journal of Gastrointestinal Surgery 2024年第1期16卷 21-28页

作者： Feng-wa Gu Si-Ze Wu Department of Ultrasound The First Affiliated Hospital of Hainan Medical UniversityHaikou 570102Hainan ProvinceChina

BACKGROUND The maximum outer diameter(MOD)of the appendix is an essential parameter for diagnosing acute appendicitis,but there is space for improvement in ultrasound(US)diagnostic *** To investigate whether combining the ratio of the cross diameters(RATIO)of the appendix with MOD of the appendix can enhance the diagnostic performance of acute *** A retrospective study was conducted,and medical records of 233 patients with acute appendicitis and 112 patients with a normal appendix were *** MOD and RATIO of the appendix were calculated and tested for their diagnostic performance of acute appendicitis,both individually and in *** The RATIO for a normal appendix was 1.32±0.16,while for acute appendicitis it was 1.09±*** cut-off value for RATIO was determined to be≤*** area under the receiver operating characteristic curve(AUC)for diagnosing acute appendicitis using RATIO≤1.18 and MOD>6 mm was 0.870 and 0.652,*** was a significant difference in AUC between RATIO≤1.18 and MOD>6 mm(P6 mm with MOD>6 mm alone,the combination showed increased specificity,positive predictive value(PPV),and ***,the sensitivity and negative predictive value *** Combining RATIO of the appendix≤1.18 and MOD>6 mm can significantly improve the specificity,PPV,and AUC in the US diagnosis of acute appendicitis.

关键词： Acute appendicitis Diameter Ratio Diagnosis Ultrasound

Magnetic hydroxyapatite nanobelt-stem cell hybrid spheroids for remotely patterning bone tissues

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BMEMat(BioMedical Engineering Materials) 2024年第1期2卷 146-159页

作者： Min Hao Wenhan wang Anil Kumar wan Hairul Anuar Kamaruddin Syafiqah Saidin nik Ahmad Nizam nik Malek Jerome Claverie Hong Liu State Key Laboratory of Crystal Materials Shandong UniversityJinanChina The wallace H.Coulter Department of Biomedical Engineering Georgia Institute of TechnologyAtlantaGeorgiaUSA Department of Chemistry University of GeorgiaAthensGeorgiaUSA Universiti Teknologi Malaysia Johor BahruJohorMalaysia Department of Chemistry Universitéde SherbrookeSherbrookeQuebecCanada

The low survival rate and poor differentiation efficiency of stem cells,as well as the insufficient integration of implanted stem cells,limit the regeneration of bone ***,we have developed magnetic ferroferric oxidehydroxyapatitepolydopamine(Fe3O4-HAp-PDA)nanobelts to assemble mesenchymal stem cells(MSCs)into a three-dimensional hybrid spheroid for patterning bone *** nanobelts,which are featured by their highaspect ratio and contain Fe3O4 nanospheres with a PDA coating,can be manipulated by a magnetic field and foster enhanced cell-nanobelt *** strategy has been demonstrated to be effective for both bone marrow mesenchymal stem cells and adipose-derived mesenchymal stem cells,enabling remote manipulation of stem cell spheroids and efficient spheroid fusion,which in turn accelerates osteogenic ***,this methodology serves as an efficient and general tool for bone tissue printing and can potentially overcome the low survival rate and poor differentiation efficiency of stem cells,as well as mismatched interface fusion issues.

关键词： hybrid spheroid hydroxyapatite nanobelt mesenchymal stem cells osteogenesis differentiation tissue printing

Isolation,characterization and identification of plant growth-promoting rhizobacteria from the rhizosphere of Acacia mangium at sandy BRIS soil

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Frontiers of Agricultural Science and Engineering 2024年第3期11卷 499-513页

作者： Zakiah MUSTAPHA Radziah OTHMAN nik Nurnaeimah nik MUHAMMAD NASIR Dhiya Dalila ZAwaWI Mohd Khairi CHE LAH Hafizan JUAHIR School of Agriculture Science and Biotechnology Faculty of Bioresources and Food IndustryUniversiti Sultan Zainal AbidinBesut Campus22200 BesutTerengganuMalaysia Department of Land Management Faculty of AgricultureUniversiti Putra Malaysia43400 SerdangSelangorMalaysia Faculty of Plantation and Agrotechnology Universiti Technologi MARA Cawangan Pahang26400 JengkaPahangMalaysia

This study has isolated,characterized,and identified potential plant growthpromoting rhizobacteria(PGPR)with multiple PGP characteristics(N_(2)-fixation,P-and K-solubilization,IAA,and siderophores production)from the rhizosphere BRIS soil of Acacia mangium.A total of 24 pure colonies were isolated and only 8 colonies were selected for further evaluation of the growth rate in 5%organic molasses medium supplemented with 2%KNO_(3).Based on the biochemical,potential PGP characteristics and growth performance,3 superior PGPR strains were selected and identified as Paraburkholderia unamae(UA1),Bacillus amyloliquefaciens(UA6),and Enterobacter asburiae(UAA2)by partial sequencing of the 16S rRNA *** selected bacterial strains either in single or mixed(UA1+UA6+􀀁UAA2)cultures have shown a significant biochemical estimation of the PGP *** strain has its own PGPR traits superiority with UA1 showing the best PGP characteristic followed by UA6 and *** use of mixed bacterial strains was beneficial as it showed the best performance in N_(2)-fixation,siderophores production,and significant effect on corn phenology,growth and yield compared to using a single *** types of microbes showed potential to be used as biofertilizer and should be exploited more.

关键词： Biofertilizer corn organic molasses medium PGP characteristic phytohormone potassium nitrate siderophores

Advancing emergency preparedness in a postpandemic world:global collaboration and innovative approaches for hospitals

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Emergency and Critical Care Medicine 2024年第3期4卷 103-104页

作者： krzysztof Goniewicz Dennis G.Barten Department of Security Studies Polish Air Force UniversityDęblinPoland Department of Emergency Medicine VieCuri Medical CenterVenlothe Netherlands

As the world transitions into a postpandemic era,hospitals and healthcare systems must adapt their emergency management plans to address the unique challenges that *** upon the previous Hospital Emergency Management Plan^([1])during the coronavirus disease 2019 pandemic,this commentary offers updated and novel suggestions for emergency preparedness,emphasizing the need for international coordination and the implementation of innovative strategies.

关键词： innovative prepare global

Crossover to PDT after the unsuccessful micropulse laser treatment of central serous chorioretinopathy

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Advances in Ophthalmology Practice and Research 2024年第1期4卷 32-38页

作者： Maciej Gawęcki krzysztof Kicinski Andrzej Grzybowski Dobry Wzrok Ophthalmological Clinic 80-822GdanskPoland Department of Ophthalmology Pomeranian Hospitals in Wejherowo84-200WejherowoPoland Institute for Research in Ophthalmology Foundation for Ophthalmology DevelopmentPoznanPoland

Purpose:Subthreshold micropulse laser(SML)and photodynamic therapy(PDT)are among the most effective therapeutic modalities applied to central serous chorioretinopathy(CSCR).This study aimed to evaluate the ef-ficacy and durability of PDT in CSCR cases unresponsive to at least two SML ***:The study included 26 consecutive eyes of 24 patients(21 males and three females)with chronic *** all cases,a lack of reduction in subretinal fluid(SRF)levels was noted after at least two consecutive SML *** parameters of best corrected visual acuity(BCVA)and spectral domain optical coherence tomog-raphy(SD-OCT)were evaluated at baseline and 1,3 and 12 months ***:The mean duration of symptoms in the group was 53.81±39.48 months,the mean age of the patients was 49.26±12.91 years,and the mean subfoveal choroidal thickness(SFCT)was 572.11±116.21 *** resorption of SRF was observed in 21 out of 26 eyes(80.77%)at 1 month and sustained in 18 cases(69.23%)at 12 *** 12 months,in the sustained group,BCVA improved significantly from 0.39±0.18 to 0.19±0.2 logMAR(P=0.01),central subfoveal thickness(CST)reduced from 316.44±75.83 mm to 197.67±22.99 mm(P<0.0001),and SFCT reduced from 579.28 mm to 446.78 mm(P<0.0001).Conclusions:PDT provides the opportunity for the successful treatment of CSCR unresponsive to SML *** are possible even in cases with a long duration of symptoms and significant alterations in retinal ***,PDT should be considered for patients with prominently increased choroidal thickness.

关键词： Photodynamic therapy Subthreshold micropulse laser Central serous chorioretinopathy Sybretinal fluid

Generalized time-dependent generator coordinate method for induced fission dynamics

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Frontiers of physics 2024年第4期19卷 1-12页

作者： B.Li D.Vretenar T.nikšić J.Zhao P.W.Zhao J.Meng State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China Physics Department Faculty of ScienceUniversity of Zagreb10000 ZagrebCroatia Center for Circuits and Systems Peng Cheng LaboratoryShenzhen 518055China

The generalized time-dependent generator coordinate method(TD-GCM)is extended to include pairing *** correlated GCM nuclear wave function is expressed in terms of time-dependent generator states and weight *** particle–hole channel of the effective interaction is determined by a Hamiltonian derived from an energy density functional,while pairing is treated dynamically in the standard BCS approximation with time-dependent pairing tensor and single-particle occupation *** the inclusion of pairing correlations,various time-dependent phenomena in open-shell nuclei can be described more *** model is applied to the description of saddle-to-scission dynamics of induced *** generalized TD-GCM charge yields and total kinetic energy distribution for the fission of 240Pu,are compared to those obtained using the standard time-dependent density functional theory(TD-DFT)approach,and with available data.

关键词： nuclear density functional theory generator coordinate method fission dynamics