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Removing trace oxygen to obtain truly intrinsic transport in organic semiconductors

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Science China Materials 2024年第5期67卷 1668-1669页

作者： hans Kleemann Dresden Integrated Center for Applied Physics and Photonic Materials Technische UniversitätDresdenGermany

Organic semiconductor is an emerging generation semiconductor material,which has a broad application prospect in the field of flexible and large-area *** now,tens of thousands of organic semiconductor molecules with diverse functions have been developed through elaborate molecular *** molecules are often classified into n-type and ptype,depending on whether the prevalent charge carriers are electrons or holes[1].

关键词： transport intrinsic moving

Suppression of mature TAU isoforms prevents Alzheimer's disease-like amyloid-beta oligomer-induced spine loss in rodent neurons

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Neural Regeneration Research 2024年第8期19卷 1655-1657页

作者： Sarah Buchholz hans Zempel Institute of Human Genetics Faculty of Medicine and University Hospital CologneUniversity of CologneCologneGermany Center for Molecular Medicine Cologne(CMMC) Faculty of Medicine and University Hospital CologneUniversity of CologneCologneGermany

Introduction:TAU isoforms as disease mediators:The microtubule-associated protein TAU is predominantly present in the axons of neurons under physiological *** Alzheimer’s disease(AD)and related tauopathies,TAU also mislocalizes("TAU missorting")to the soma and the dendrites,where it eventually forms aggregates,the so-called neurofibrillary tangles(for review see Zimmer-Bensch and Zempel,2021;Zempel,2023).

关键词： Alzheimer Zimmer tau

Synthetic demand data generation for individual electricity consumers:Inpainting

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Energy and AI 2024年第1期15卷 36-43页

作者： Dascha Dobrovolskij hans-Georg Stark Universität Bremen Bibliothekstraβe 528359 BremenGermany Technische Hochschule Aschaffenburg Würzburger Straβe4563743 AschaffenburgGermany

In this contribution we deal with the problem of producing“reasonable”data,when considering recorded energy consumption data,which are at certain sections incomplete and/or *** task is important,when energy providers employ prediction models for expected energy consumption,which are based on past recorded consumption data,which then of course should be reliable and *** a related contribution Yilmaz(2022),GAN-based methods for producing such“artificial data”have been *** this contribution,we describe an alternative and complementary method based on signal inpainting,which has been successfully applied to audio processing Lieb and Stark(2018).After giving a short overview of the theory of proximity-based convex optimization,we describe and adapt an iterative inpainting scheme to our *** usefulness of this approach is demonstrated by analyzing real-world-data provided by a German energy supplier.

关键词： Time series Missing data points Time-frequency analysis Convex optimization Douglas-Rachford-algorithm Gabor transform

Sensory neurons: unveiling the symphony of wound healing

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Signal Transduction and Targeted Therapy 2024年第8期9卷 3158-3160页

作者： Dongsheng Jiang hans-Gunther Machens Yuval Rinkevich Precision Research Center for Refractory Diseases Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghaiChina Trauma Medical Center Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghaiChina Department of Plastic and Hand Surgery Klinikum rechts der IsarSchool of MedicineTechnical University of MunichMunichGermany Institute of Regenerative Biology and Medicine Helmholtz Center MunichMunichGermany

In a recent paper published in Nature,Lu et *** a pivotal role of Nav1.8+nociceptor-released neuropeptide calcitonin generelated peptide(CGRP)in modulating the activities of myeloid cells during skin and muscle injury... 详细信息

关键词： healing wound al.

Amino acid and mineral digestibility,bone ash,and plasma inositol is increased by including microbial phytase in diets for growing pigs

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Journal of Animal Science and Biotechnology 2024年第2期15卷 699-712页

作者： Liz Vanessa Lagos Mike Richard Bedford hans Henrik Stein Division of Nutritional Sciences University of IllinoisUrbanaIL 61801USA AB Vista Marlborough SN84ANUK

Background The effect of microbial phytase on amino acid and energy digestibility is not consistent in pigs,which may be related to the phytase dosage or the adaptation length to the ***,an experiment was conducted to test the hypotheses that increasing dietary phytase after an 18-day adaptation period:1)increases nutrient and energy digestibility;2)increases plasma P,plasma inositol,and bone ash of young pigs;and 3)demonstrates that maximum phytate degradation requires more phytase than maximum P *** Data indicated that increasing inclusion of phytase[0,250,500,1,000,2,000,and 4,000 phytase units(FTU)/kg feed]in corn-soybean meal-based diets increased apparent ileal digestibility(AID)of Trp(quadratic;P<0.05),and of Lys and Thr(linear;P<0.05),and tended to increase AID of Met(linear;P<0.10).Increasing dietary phytase also increased AID and apparent total tract digestibility(ATTD)of Ca and P(quadratic;P<0.05)and increased ATTD of K and Na(linear;P<0.05),but phytase did not influence the ATTD of Mg or gross *** of plasma P and bone ash increased(quadratic;P<0.05),and plasma inositol also increased(linear;P<0.05)with increasing inclusion of *** concentrations of inositol phosphate(IP)6 and IP5(quadratic;P<0.05),reduced IP4 and IP3(linear;P<0.05),but increased inositol concentrations(linear;P<0.05)were observed in ileal digesta as dietary phytase *** ATTD of P was maximized if at least 1,200 FTU/kg were used,whereas more than 4,000 FTU/kg were needed to maximize inositol *** Increasing dietary levels of phytase after an 18-day adaptation period increased phytate and IP ester degradation and inositol release in the small ***,increasing dietary phytase resulted in improved digestibility of Ca,P,K,Na,and the first 4 limiting amino acids,and in increased concentrations of bone ash and plasma P and *** a corn-soybean meal diet,maximum inositol release requires appr

关键词： Bone ash Inositol Nutrient digestibility Phytase Phytate degradation Pigs

***:A Julia package for micromagnetic and atomistic simulations with GPU support

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Chinese Physics B 2024年第10期33卷 70-79页

作者： Weiwei Wang Boyao Lyu Lingyao Kong hans Fangohr Haifeng Du Institutes of Physical Science and Information Technology Anhui UniversityHefei 230601China Anhui Province Key Laboratory of Low-Energy Quantum Materials and Devices High Magnetic Field LaboratoryHFIPSChinese Academy of SciencesHefei 230031China University of Science and Technology of China Hefei 230031China School of Physics and Optoelectronic Engineering Anhui UniversityHefei 230601China University of Southampton Southampton SO171BJUnited Kingdom

*** is an open-source Julia package for micromagnetic and atomistic *** the features of the Julia programming language,*** supports CPU and various GPU platforms,including NVIDIA,AMD,Intel,and Apple ***,*** supports Monte Carlo simulations for atomistic models and implements the nudged-elastic-band method for energy barrier *** built-in support for double and single precision modes and a design allowing easy extensibility to add new features,*** provides a versatile toolset for researchers in micromagnetics and atomistic simulations.

关键词： micromagnetic simulations atomistic simulations graphics processing units

Conception of a new 4-quadrant hydrogen compressed air energy storage power plant with an integrated electrolyzer

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Energy Reviews 2024年第3期3卷 92-101页

作者： hans-Peter Beck Ann-Kathrin Klaas Christoph Klaas Research Center Energy Storage Technologies Clausthal University of TechnologyAm Stollen 19A38640GoslarGermany Institute of Electrical Power Engineering and Energy Systems Clausthal University of TechnologyLeibnizstraße 2838678Clausthal-ZellerfeldGermany

A hydrogen compressed air energy storage power plant with an integrated electrolyzer is ideal for large-scale,long-term energy storage because of the emission-free operation and the possibility to offer multiple ancillary services on the German energy *** paper defines analyzes such a storage concept and conducts an extensive comparison with four additional storage concepts based on various *** results show that the combination of storing compressed air and hydrogen offers a higher efficiency than storing only hydrogen and lower specific investment costs than storing only compressed *** result is confirmed with analysis of the optimal sizing of each power plant component for simultaneous participation on multiple energy markets with a linear optimization dispatch *** hydrogen compressed air energy storage(HCAES)power plant can utilize more revenue possibilities than a hydrogen energy storage because of the higher round-trip efficiency and the combination of the air compressor and the integrated electrolyzer during charging *** integration of the electrolyzer,however,offers a couple of challenges itself because of the highly flexible operation mode.A new concept for the controllable 24-pulse diode-thyristor rectifier of the electrolyzer is presented,that uses mostly common components while offering little to no grid harmonics and a long *** flexible integrated electrolyzer allows for the 4-quadrant operation of the storage power plant.

关键词： Long-term energy storage Hydrogen energy storage Compressed air energy storage Mixed-integer linear programming Electrolyzer 24-Pulse thyristor rectifier

Differential modulation of crown allometry and stem growth at gap edges in five European tree species by drought conditions

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Forest Ecosystems 2024年第5期11卷 618-631页

作者： Luke Bohnhorst Peter Biber Torben Hilmers Enno Uhl hans Pretzsch Chair of Forest Growth and Yield Science TUM School of Life SciencesTechnical University of MunichHans-Carl-von-Carlowitz-Platz 285354FreisingGermany Bavarian State Institute of Forestry Hans-Carl-von-Carlowitz-Platz 185354FreisingGermany

Background In Central Europe,forests are increasingly affected by various disturbances,resulting in an increasing gap formation in the *** order to support goal-oriented management,more knowledge is required about the acclimation of the crown and its effects on the basal area growth of trees at the edge of a *** This work compared trees'growth and crown structure at the edge of a transient gap,with a gap size of more than 80m^(2),with trees in the stand that were at least 30m away from the gap.A total of 249 European beeches(Fagus sylvatica L.),Norway spruces(Picea abies ***),Scots pines(Pinus sylvestris L.),oaks(Quercus spp.;Quercus petraea(Matt.)Liebl.,Quercus robur L.),and silver firs(Abies alba Mill.)were examined on long-term experimental plots in southern *** crown measures were developed and calculated using high-resolution terrestrial laser scanning(TLiDAR)to capture the three-dimensional crown *** responses to edge conditions were measured based on tree *** linear mixed models,we predict the basal area increment of edge trees relative to trees in the stand under wet and dry soil moisture conditions after the gap *** We identified i)species-specific acclimation of the crown of edge trees after the gap formation,ii)under wet soil moisture conditions a growth increase of 25%–45%for beech,pine,and oak edge trees and growth losses of 5%–60%for spruce and fir and iii)coniferous tree species benefited from the edge position regarding their basal area increment under dry soil moisture conditions and deciduous tree species grew regardless of the soil moisture conditions at the edge of a *** Gaps have a species-specific effect on the habitus and growth of edge trees and can have both positive and negative impacts on silviculture.

关键词： Canopy gaps Disturbance Growth TLiDAR Drought stress Crown structure Acclimation

The olfactory system of Pieris brassicae caterpllars:from receptors to glomeruli

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Insect Science 2024年第2期31卷 469-488页

作者： Qi Wang hans M.Smid Marcel Dicke Alexander Haverkamp Laboratory of Entomology Wageningen University and ResearchWageningenthe Netherlands

Tolfactory system of adult lepidopterans is among the best described neuronal ***,comparatively little is known about the organization of the olfactory system in the larval stage of these ***,we explore the expression of olfactory receptors and the organization of olfactory sensory neurons in caterpillars of Pieris brassicae,a significant pest species in Europe and a well-studied species for its chemical *** describe the larval olfactory system in this species,we first analyzed the head transcriptome of third-instar larvae(L3)and identified 16 odorant receptors(ORs)including the OR coreceptor(Orco),13 ionotropic receptors(IRs),and 8 gustatory receptors(GRs).We then quantified the expression of these 16 ORs in different life stages,using qPCR,and found that the majority of ORs had significantly higher expression in the L4 stage than in the L3 and L5 stages,indicating that the larval olfactory system is not static throughout caterpillar *** an Orco-specific antibody,we identified all olfactory receptor neurons(ORNs)expressing the Orco protein in L3,L4,and L5 caterpillars and found a total of 34 Orco-positive ORNs,distributed among three sensilla on the *** number of Orco-positive ORNs did not differ among the three larval ***,we used retrograde axon tracing of the antennal nerve and identified a mean of 15 glomeruli in the larval antennal center(LAC),suggesting that the caterpillar olfactory system follows a similar design as the adult olfactory system,although with a lower numerical *** together,our results provide a detailed analysis of the larval olfactory neurons in P brassicae,highlighting both the differences as well as the commonalities with the adult olfactory *** findings contribute to a better understanding of the development of the olfactory system in insects and its life-stage-specific adaptations.

关键词： glomeruli larvae Lepidoptera odorant receptor olfactory receptor neurons sensilla