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| 1 | Decomposition dynamics of coarse woody debris of three important central European tree species显示文摘Background:Coarse woody debris(CWD)is an important element of forest structure that needs to be considered when managing forests for biodiversity,carbon storage or bioenergy.To manage it effectively,dynamics of CWD decomposition should be known.Methods:Using a chronosequence approach,we assessed the decomposition rates of downed CWD of Fagus sylvatica,Picea abies and Pinus sylvestris,which was sampled from three different years of tree fall and three different initial diameter classes(>10 –≤ 20 cm,>20 –≤40 cm,>40 cm).Samples originating from wind throws in 1999 were collected along a temperature and precipitation gradient.Based on the decay class and associated wood densities,log volumes were converted into CWD mass and C content.Log fragmentation was assessed over one year for log segments of intermediate diameters(>20 – 40 cm)after 8 and 18 years of decomposition.Results:Significantly higher decomposition constants(k)were found in logs of F.sylvatica(0.054 year^(-1))than in P.abies(0.033 year^(-1))and P.sylvestris(0.032 year^(-1)).However,mass loss of P.sylvestris occurred mainly in sapwood and hence k for the whole wood may be overestimated.Decomposition rates generally decreased with increasing log diameter class except for smaller dimensions in P.abies.About 74 % of the variation in mass remaining could be explained by decomposition time(27 %),tree species(11 %),diameter(17 %),the interactive effects between tree species and diameter(4 %)as well as between decomposition time and tree species(3 %)and a random factor(site and tree; 9.5 %),whereas temperature explained only 2 %.Wood fragmentation may play a more important role than previously thought.Here,between 14 % and 30 % of the decomposition rates(for the first 18 years)were attributable to this process.Carbon(C)density(mg C · cm^(-3)),which was initially highest for F.sylvatica,followed by P.sylvestris and P.abies,decreased with increasing decay stage to similar values for all species.Conclusions:The apparent lack of climate effects on decomposition of logs in the field indicates that regional decomposition models for CWD may be developed on the basis of information on decomposition time,tree species and dimension only.These can then be used to predict C dynamics in CWD as input for C accounting models and for habitat management. | Steffen Herrmann Tiemo Kahl Jürgen Bauhus | 2015 | Forest Ecosystems2015，2，4： | 7 |
| 2 | Exploring the bounds of narrow-band quantum dot downconverted LEDs显示文摘Quantum dots are finding increasing commercial success in LED applications.While they have been used for several years in remote off-chip architectures for display applications,it is shown for the first time to our knowledge that quantum dots can withstand the demands of the on-chip architecture and therefore are capable of being used as a direct phosphor replacement in both lighting and display applications.It is well known that,to achieve improved color metrics in lighting as well as increased gamut in display technologies,it is highly desirable to utilize a downconverter with a narrow emission linewidth as well as a precisely tunable peak.This paper will discuss the results of on-chip use of quantum dots in a lighting product,and explore the opportunities and practical limits for improvement of various lighting and display metrics by use of this unique downconverter technology. | BENJAMIN D.MANGUM TIEMO S.LANDES BRIAN R.THEOBALD JUANITA N.KURTIN | 2017 | Photonics Research2017，5，2： | 2 |
| 3 | Linking molecular deadwood-inhabiting fungal diversity and community dynamics to ecosystem functions and processes in Central European forests显示文摘Fungi play vital roles in the decomposition of deadwood due to their secretion of various enzymes that break down plant cell-wall complexes.The compositions of woodinhabiting fungal(WIF)communities change over the course of the decomposition process as the remaining mass of wood decreases and both abiotic and biotic conditions of the wood significantly change.It is currently not resolved which substrate-related factors govern these changes in WIF communities and whether such changes influence the deadwood decomposition rate.Here we report a study on fungal richness and community structure in deadwood of Norway spruce and European beech in temperate forest ecosystems using 454 pyrosequencing.Our aims were to disentangle the factors that correspond to WIF community composition and to investigate the links between fungal richness,taxonomically-resolved fungal identity,and microbial-mediated ecosystem functions and processes by analyzing physico-chemical wood properties,lignin-modifying enzyme activities and wood decomposition rates.Unlike fungal richness,we found significant differences in community structure between deadwood of different tree species.The composition of WIF communities was related to the physico-chemical properties of the deadwood substrates.Decomposition rates and the activities of ligninmodifying enzymes were controlled by the succession of the fungal communities and competition scenarios rather than fungal OTU richness.Our results provide further insights into links between fungal community structure and microbialmediated ecosystem functions and processes. | Björn Hoppe Witoon Purahong Tesfaye Wubet Tiemo Kahl Jürgen Bauhus Tobias Arnstadt Martin Hofrichter François Buscot Dirk Krüger | 2016 | Fungal Diversity2016，，2： | 2 |
| 4 | Hybrid 2D–3D optical devices for integrated optics by direct laser writing显示文摘Integrated optical chips have already been established for application in optical communication.They also offer interesting future perspectives for integrated quantum optics on a chip.At present,however,they are mostly fabricated using essentially planar fabrication approaches like electron-beam lithography or UV optical lithography.Many further design options would arise if one had complete fabrication freedom in regard to the third dimension normal to the chip without having to give up the virtues and the know-how of existing planar fabrication technologies.As a step in this direction,we here use three-dimensional dip-in direct-laser-writing optical lithography to fabricate three-dimensional polymeric functional devices on pre-fabricated planar optical chips containing Si3N4 waveguides as well as grating couplers made by standard electron-beam lithography.The first example is a polymeric dielectric rectangular-shaped waveguide which is connected to Si3N4 waveguides and that is adiabatically twisted along its axis to achieve geometrical rotation of linear polarization on the chip.The rotator’s broadband performance at around 1550 nm wavelength is verified by polarization-dependent grating couplers.Such polarization rotation on the optical chip cannot easily be achieved by other means.The second example is a whispering-gallery-mode optical resonator connected to Si_(3)N_(4) waveguides on the chip via polymeric waveguides.By mechanically connecting the latter to the disk,we can control the coupling to the resonator and,at the same time,guarantee mechanical stability of the three-dimensional architecture on the chip. | Martin Schumann Tiemo Buckmann Nico Gruhler Martin Wegener Wolfram Pernice | 2014 | Light(Science & Applications)2014，3，1： | 2 |
| 5 | Quantitative determination of neutrophil morphologic changes by coulter automated hematology analyzer with VCS technology 显示文摘 | Chaves F Tiemo B | 2005 | Mod Pathol2005，18，： | 1 |
| 6 | Mean neutrophil volume: a new and reliable indicator for acute infection 显示文摘 | Chaves F Tiemo B Bagdasacyan R | 2005 | Mod Pathol2005，18，： | 1 |
| 7 | Outbreak of Klebsiella pneumoniae producing a new carbapenem- hydrolyzing class A beta-lactamase, KPC-3, in a New York Medical Center 显示文摘 | Woodford N Tiemo PJ Jr Young K | 2004 | Antimicrob Agents Chemother2004，48，12： | 1 |
| 8 | Neutrophil volume distribution width: a new automated hematologic parameter for acute infection 显示文摘 | Chaves F Tiemo B Xu D | 2006 | Arch Pathol Lab Med2006，130，3： | 1 |
| 9 | A 28 GHz Hybrid PLL in 32 nm SOI CMOS显示文摘 | Ferriss M Rylyakov A Tiemo J A | 2014 | IEEE Journal of Solid-State Circuits2014，49，4： | 1 |
| 10 | The ki67 proliferation index is a quantitative indicator of clinical risk in mantle cell lymphoma显示文摘 | Tiemo K Celine P Sylvia H | 2006 | Blood2006，107，8： | 1 |
| 11 | Outbreak of Klebsiella pneumoniae producing a new car bapenem-hy- drolyzing class A beta-lactamase, KPC-3, in a New York Medical Center显示文摘 | Woodford N Tiemo PM Jr Young K | 2004 | Antimicrob Agents Chemother2004，48，12： | 1 |
| 12 | Quantitative determination of neutrophil morphologic changes by Coulter automated hematology analyzer with VCS technology显示文摘 | Chaves F Tiemo B Xu DS | 2005 | Mod Pathol2005，18，： | 1 |
| 13 | Ultrasound-guided percutaneous dilational tracheostomy versus broncho-scopy-guided percutaneous dilational tracheostomy in critically ill patients (TRACHUS):a randomized noninferiority controlled trial 显示文摘 | Gobatto ALN Besen BAM P Tiemo P F G M M | 2016 | Intensive Care Medicine2016，，： | 1 |
| 14 | PTHR1 Loss-of-Function Mutations in Familial, Nonsyndromic Primary Failure of Tooth Eruption显示文摘 | Eva Decker Angelika Stellzig-Eisenhauer Britta S. Fiebig Christiane Rau Wolfram Kress Kathrin Saar Franz Rüschendorf Norbert Hubner Tiemo Grimm Bernhard H.F. Weber | 2008 | The American Journal of Human Genetics2008，，6： | 1 |
| 15 | Delta opioid inhibition of light-induced phase advances in hamster circadian activity rhythms显示文摘 | Tiemo A Fiore P Gannon RL | 2002 | Brain Res2002，937，12： | 1 |
| 16 | Comparison of efficacy and cost-effectiveness of Biomic video and Vitek antimicrobial snsceptibility test syste for use in the clinical microbiology laboratory显示文摘 | Berke I Tiemo PMJr | 1996 | J Clin Microbil1996，34，8： | 1 |
| 17 | Neutrophil volume distribution width:a new automated hematologic parameter for acute infection 显示文摘 | C haves F Tiemo B Xu D | 2006 | Arch Pathol Lab Med2006，130，3： | 1 |
| 18 | Rivaroxaban versus enoxaparin for thromboprophylaxis after total knee arthroplasty (RECORD4): a randomised trial显示文摘 | Alexander GG Turpie Michael R Lassen Bruce L Davidson Kenneth A Bauer Michael Gent Louis M Kwong Fred D Cushner Paul A Lotke Scott D Berkowitz Tiemo J Bandel Alice Benson Frank Misselwitz William D Fisher | 2009 | The Lancet2009，，9676： | 1 |
| 19 | Testis-sparing surgery versus radical orchiectomy in patients with Leydig cell tumors 显示文摘 | Andreas L Daniel CV Tiemo K | 2009 | Urology2009，74，： | 1 |
| 20 | Outbreak of Klebsiella pneumoniae producing a new carbapenem-hydrolyzing class A beta-lactamase, KPC-3, in a New York Medical Center显示文摘 | Woodford N Tiemo P J Young K | 2004 | Antimicrob Agents Chemother2004，48，12： | 1 |
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