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Modeling net-charge fluctuations in heavy-ion collisions at the LHC

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Chinese physics C 2025年第1期49卷 281-289页

作者： G.O.Ambaryan A.S.Chernyshov G.Kh.eyyubova V.L.Korotkikh I.p.Lokhtin S.V.petrushanko A.M.Snigirev e.e.Zabrodin physics Department Lomonosov Moscow State UniversityRU-119991 MoscowRussia Skobeltsyn Institute of Nuclear physics Lomonosov Moscow State UniversityRU-119991 MoscowRussia Bogoliubov Laboratory of Theoretical physics Joint Institute for Nuclear ResearchRU-141980 DubnaRussia Department of physics University of OsloN-0316 OsloNorway

Analysis of pb+pb data for net-charge fluctuations at LHC energies using the HYDJeT++model is *** strongly intensive quantities D and Σ were used to remove the effects related to system volume *** employed two versions of HYDJeT++for the *** first one is the standard or default version,whereas the second one is a modification that takes into account explicit event-by-event conservation of the electric net-charge of produced *** inclusion of the canonical net-charge conservation in the model allows for better description of the experimental data obtained by the ALICe and CMS Collaborations.A comparison with calculations from other models is also presented.

关键词： relativistic heavy-ion collisions net-charge fluctuations strongly intensive variables canonical charge conservation

The impact of endocrine-disrupting chemicals on stem cells:Mechanisms and implications for human health

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Journal of environmental Sciences 2025年第1期147卷 294-309页

作者： Juan p.Munoz Laboratorio de Bioquímica Departamento de QuímicaFacultad de CienciasUniversidad de TarapacáArica 1000007Chile

endocrine-disrupting chemicals(eDCs)are compounds,either natural or man-made,that interferewith the normal functioning of the endocrine *** is increasing evidence that exposure to eDCs can have profound adverse effects on reproduction,metabolic disorders,neurological alterations,and increased risk of hormone-dependent *** cells(SCs)are integral to these pathological processes,and it is therefore crucial to understand how eDCs may influence SC *** review examines the literature on different types of eDCs and their effects on various types of SCs,including embryonic,adult,and cancer *** mechanisms through which eDCs may influence the phenotype of SCs are also ***,the possible implications of these effects on human health are *** available literature demonstrates that eDCs can influence the biology of SCs in a variety of ways,including by altering hormonal pathways,DNA damage,epigenetic changes,reactive oxygen species production and alterations in the gene expression *** disruptions may lead to a variety of cell fates and diseases later in adulthood including increased risk of endocrine disorders,obesity,infertility,reproductive abnormalities,and ***,the review emphasizes the importance of raising broader awareness regarding the intricate impact of eDCs on human health.

关键词： endocrine-disrupting chemicals Stem cells Cancer stem cells epigenetic Hormones

Interaction of water droplets with pyrolyzing coal particles and tablets

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Defence Technology（防务技术） 2023年第12期30卷 1-12页

作者： Anastasia Islamova pavel Tkachenko pavel strizhak National Research Tomsk polytechnic University Heat and Mass Transfer Laboratory30 Lenin AvenueTomsk634050Russia

The paper presents the experimental research findings for the patterns of collisions of water droplets with pressed tableted samples used as substrates and with small particles of a pyrolyzing solid *** coal samples were ***-substrate interactions were studied when varying the droplet diameter in the range from 1 to 4 mm and velocity from 0.5 to 4 m/*** corresponded to the Weber number range of *** coal tablet surface temperature was varied from 20 to 700℃.In the interactions of water droplets(0.7-1.5 mm in diameter,pre-collision velocity from 1 to 3 m/s)with coal particles(with a size of 0.2-1 mm,pre-collision velocity 0.7-2 m/s),the temperature of the latter was varied in the range of 330-480℃.The following regimes of the interaction of droplets with solid particles during chemical reactions and phase transformations were distinguished:spreading/agglomeration and break-up/*** in the characteristics of the interaction of water droplets with coal particles at varying temperatures were ***-particle interaction regime maps for B(We),We(Oh)and We(Ca)were *** collision regime boundaries were described using fitted curves that can be utilized to develop the existing mathematical models of droplet-particle collisions in *** was established that the gaseous volatile production in coal pyrolysis has a modest effect on the regimes and characteristics of the droplet destruction in the temperature range under consideration(20-700℃).

关键词： Droplet particle Solid substrate Collision Agglomeration Separation

Synergistic effects of constituents in rare earth-based composites:enhanced structural,electrical and magnetic properties for water splitting applications

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Journal of Rare earths 2025年第1期43卷 105-114,I0005页

作者： Chitralekha S.Shankar A.p.Singh Functional Materials Research Laboratory Department of PhysicsARSD CollegeUniversity of Delhi1021India Department of physics Multanimal Modi CollegeCh.Charan Singh UniversityMeerutU.PIndia

Rare earth-based Bi_(0.85)La_(0.15)FeO_(3)(BLFO)and NdMnO_(3)(NMO)particles were synthesised using the solidstate route,and their roles affecting structural,electrical,magnetic properties along with hydroelectric application in different concentrations i.e.,(1-x)BLFO:xNMO(where x=0,0.10,0.20,0.30 and 1.0)ceramics composites were investigated.X-ray diffraction analyses confirm the pure-phase formation of BLFO:NMO composites,featuring micrometer-scale crystallite *** transform infrared(FT-IR)spectra of BLFO:NMO composites reveal peak shifts with rising NMO content,indicating composite *** composites exhibit robust Maxwell-Wagner polarization and a pronounced composition-dependent *** addition of NMO to BLFO results in a rise in dielectric permittivity at lower frequencies,confirming relaxor behavior and indicating success in achieving the transition *** spectroscopy facilitates a clearer understanding of how charge carriers contribute to these composites and the impact of grain/grain *** saturation magnetization maximum value(i.e.,0.807 emu/g)was attained in *** coercivity decreases with the addition of NMO in *** results suggest the composite's enhanced suitability for microelectronics and hydropower cells,showing improved hydroelectric cell performance with increased NMO in BLFO,highlighting a notable ion diffusion mechanism.

关键词： Composites X-ray diffraction Relative permittivity Hydroelectric cell Rare earths

predictive value of the systemic immune inflammation index in recurrence of atrial fibrillation after radiofrequency catheter ablation

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World Journal of Cardiology 2025年第1期17卷 22-27页

作者： Alexander e Berezin Department of Internal Medicine-II Paracelsus Medical University SalzburgSalzburg 5020Austria

The recurrence of atrial fibrillation(AF)in patients after successful radiofrequency catheter ablation(RFCA)appears to be an unresolved clinical issue and needs to be clearly *** are many factors associated with AF recurrence,such as duration of AF,male sex,concomitant heart failure,hemodynamic parameters,chronic obstructive pulmonary disease,hypertension,obstructive sleep apnea,hyperthyroidism,smoking and ***,the inflammatory changes are strongly associated with electrical and structural cardiac remodeling,cardiac damage,myocardial fibrotic changes,microvascular dysfunction and altered reparative *** this context,biomarkers reflecting the different stages of AF pathogenesis deserve thorough *** authors of the retrospective study revealed that one-year recurrence rate of non-valvular AF in the high systemic immune inflammation(SII)index group was significantly increased compared to that of the low SII index group and provided additional predictive value to the ***,the authors suggest that this biomarker may help physicians to optimize the selection of AF patients and to develop a personalized treatment *** conclusion,the SII index may serve as a valuable indicator of recurrent AF in patients after RFCA and may be a biomarker with plausible predictive value for poor clinical outcomes.

关键词： Systemic immune inflammation index Recurrent atrial fibrillation Radiofrequency catheter ablation Biomarkers AppLe score prediction

protective activity of adipose-derived stem cell extracellular vesicles in ischemia and/or reperfusion

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World Journal of Stem Cells 2025年第1期17卷 1-5页

作者： Alexander e Berezin Internal Medicine-II Paracelsus Medical University SalzburgSalzburg 5020Austria

Increasing evidence of the significant clinical value of protection against ischemia/reperfusion injury has contributed to the realization of the independent importance of this approach in improving prognosis and reducing cardiovascular *** vesicles(eVs)derived by adipose mesenchymal stem cells may mediate the paracrine effects of stem cells and provide regenerative and anti-inflammatory properties,which are enhanced byγ-aminobutyric *** protective effects on cardiac myocytes may result from the eV embarked by miR-21-5p,which is a target for thioredoxin-interacting protein,regulating the formation of thioredoxin-interacting protein-thioredoxin complexes and subsequently enhancing the antioxidant activity of *** has been found thatγ-aminobutyric acid governs myocardial bioenergetics through suppressing inflammation and supporting mitochondrial ***,stem cell-based cell-free therapy based on adipose-derived stem cell eVs is considered a promising approach to individualized management of ischemia-induced cardiomyopathy.

关键词： extracellular vesicles Adipose mesenchymal stem cells MicroRNA-21-5p Cardiac protection Ischemia Reperfusion

Altered microRNA composition in the uterine lumen fluid in cattle(Bos taurus)pregnancies initiated by artificial insemination or transfer of an in vitro produced embryo

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Journal of Animal Science and Biotechnology 2025年第1期16卷 76-91页

作者： Fernando H.Biase Sarah e.Moorey Julie G.Schnuelle Soren Rodning Martha Sofia Ortega Thomas e.Spencer School of Animal Sciences Virginia Polytechnic Institute and State University175 W Campus DrBlacksburgVA 24061USA Department of Animal Science University of TennesseeKnoxvilleTN 37996USA Department of Clinical Sciences Auburn UniversityAuburnAL 36849USA Department of Animal Science Auburn UniversityAuburnAL 36849USA Department of Animal and Dairy Sciences University of Wisconsin MadisonMadisonWI 53706USA Division of Animal Sciences University of MissouriColumbiaMO 65211USA

Background MicroRNAs(miRNAs)are presented in the uterine lumen of many mammals,and in vitro experiments have determined that several miRNAs are important for the regulation of endometrial and trophoblast *** aim was to identify and contrast the miRNAs present in extracellular vesicles(eVs)in the uterine lumen fluid(ULF)at the onset of attachment in cattle pregnancies(gestation d 18)initiated by artificial insemination(AI)or by the trans-fer of an in vitro-produced blastocyst(IVp-eT).A third group had no conceptus after the transfer of an IVp *** The abundance of 263 annotated miRNAs was quantified in the eVs collected from *** was an increase in the transcript abundance of 20 miRNAs in the ULF eVs from the AI pregnant group,while 4 miRNAs had a lower abundance relative to the group not containing a ***,4 miRNAs were more abun-dant in ULF eVs in the AI pregnant group relative to IVp-eT group(bta-mir-17,bta-mir-7-3,MIR7-1,MIR18A).Specific miRNAs in the ULF eVs were co-expressed with messenger RNAs expressed in extra-embryonic tissues and endome-trium,including genes that are known to be their *** The results provide biological insights into the participation of miRNAs in the regulation of trophoblast proliferation and differentiation,as well as in endometrium *** knowledge that in vitro cultured embryos can contribute to the altered abundance of specific miRNAs in the uterine lumen can lead to the development of cor-rective approaches to reduce conceptus losses during the first month of pregnancy in cattle.

关键词： Artificial reproductive technology Cattle Conceptus embryos endometrium Small RNA

Investigation of a NO_(x) emission from coal power plants in Texas, United States and its impact on the environment

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China Geology 2025年第1期8卷 107-116页

作者： Mikalai Filonchyk Michael p.peterson Faculty of Geomatics Lanzhou Jiaotong UniversityLanzhou 730070China Gansu provincial engineering Laboratory for National Geographic State Monitoring Lanzhou 730070China Department of Geography and Geology University of Nebraska OmahaOmaha NE 68182USA

Texas is the largest state by area in the US after Alaska,and one of the top states in the production and consumption of electricity with many coal-fired ***-fired power plants emit greater than 70% of pollutants in the energy *** coal is burned to produce electricity,nitrogen oxides(NO_(x))are released into the air,one of the main pollutants that threaten human health and lead to a large number of premature *** key to effective air quality management is the strict compliance of all plants with emission ***,not all Texas coal plants have the environmental equipment to lower pollutant *** dioxide(NO2)observations from the TROpOspheric Monitoring Instrument(TROpOMI)were used to evaluate the emissions for Texas power *** from both the emissions and Generation Resource Integrated Database(eGRID)and the emissions Database for Global Atmospheric Research(eDGAR)were used to examine *** was found that NOx emissions for Texas power plants range from 1.53 kt/year to 10.99 kt/year,with the Martin Lake,Limestone and Fayette power project stations being the top *** parish and Martin Lake stations have the strongest NOx fluxes,with both exhibiting significant seasonal *** of bottom-up inventories for eDGAR and eGRID show a high correlation(r=0.956)and a low root mean square error(0.766).A more reasonable control policy would lead to much reduced NOx emissions.

关键词： NO_(x)emission enironmental pollution power plants TROpOMI eDGAR Human health eGRID. Texas

Unlocking hypoglycemia–associated brain microvascular dysfunction:critical insights from proteomic analysis

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Neural Regeneration Research 2025年第6期20卷 1707-1708页

作者： Siva S.V.p.Sakamuri Anil Sakamuri Department of Chemistry Auburn University at MontgomeryMontgomeryALUSA Vascular Biology Center and Department of Medicine Medical College of Georgia at Augusta UniversityAugustaGAUSA

Hypoglycemia-a critical complication linked to worsened brain function in diabetic subjects:Hypoglycemia is characterized by a decline in circulatory glucose levels below sta nda rd physiological *** hypoglycemia,classified as level 1 hypoglycemia,is defined by blood glucose levels below 70 mg/dL and can be effectively addressed through carbohydrate *** hypoglycemia,denoted by blood glucose levels less than 54 mg/dL,poses a life-threatening risk if left *** with type 1 and type 2 diabetes undergoing insulin treatment are particularly susceptible to hypoglycemia due to impaired counterregulatory mechanisms.

关键词： impaired intake critical