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407篇 您的检索式:作者名="Heinz J"
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1Influence of experimental soil disturbances on the diversity of plants in agricultural grasslands显示文摘Aims and Methods Disturbance is supposed to play an important role for biodiversity and ecosystem stability as described by the intermediate disturbance hypoth-esis(IDH),which predicts highest species richness at intermediate levels of disturbances.In this study,we tested the effects of artificial soil distur-bances on diversity of annual and perennial vascular plants and bryo-phytes in a field experiment in 86 agricultural grasslands differing in land use in two regions of Germany.On each grassland,we implemented four treatments:three treatments differing in application time of soil dis-turbances and one control.One year after experimental disturbance,we recorded vegetation and measured biomass productivity and bare ground.We analysed the disturbance response taking effects of region and land-use-accompanied disturbance regimes into account.Important Findings Region and land-use type strongly determined plant species rich-ness.Experimental disturbances had small positive effects on the species richness of annuals,but none on perennials or bryophytes.Bare ground was positively related to species richness of bryophytes.However,exceeding the creation of 12%bare ground further distur-bance had a detrimental effect on bryophyte species richness,which corresponds to the IDH.As biomass productivity was unaffected by disturbance our results indicate that the disturbance effect on spe-cies richness of annuals was not due to decreased overall produc-tivity,but rather due to short-term lowered inter-and intraspecific competition at the newly created microsites.Generally,our results highlight the importance of soil disturbances for species richness of annual plants and bryophytes in agricultural grasslands.However,most grasslands were disturbed naturally or by land-use practices and our additional experimental soil dis-turbances only had a small short-term effect.Overall,total plant diversity in grasslands seemed to be more limited by the availabil-ity of propagules rather than by suitable microsites for germination.Thus,nature conservation efforts to increase grassland diversity should focus on overcoming propagule limitation,for instance by additional sowing of seeds,while the creation of additional open patches by disturbance might only be appropriate where natural disturbances are scarce.Jörg Müller Johannes Heinze Jasmin Joshi Steffen Boch Valentin H.Klaus Markus Fischer Daniel Prati 2014Journal of Plant Ecology2014,7,6:3
2Giant hepatic extra-gastrointestinal stromal tumor treated with cytoreductive surgery and adjuvant systemic therapy:A case report and review of literature显示文摘BACKGROUND Primary extra-gastrointestinal stromal tumors(E-GIST)of the liver are rare.The clinical presentation may range from asymptomatic to bleeding or manifestations of mass effect.Oncologic surgery followed by adjuvant therapy with imatinib is the standard of care.However,under specific circumstances,a cytoreductive approach may represent a therapeutic option.We describe herein the case of an 84-year-old woman who presented with a tender,protruding epigastric mass.Abdominal computed tomography scan revealed a large,heterogeneous mass located across segments III,IV,V,and VIII of the liver.The initial approach was transarterial embolization of the tumor,which elicited no appreciable response.Considering the large size and central location of the tumor and the advanced age of the patient,non-anatomic complete resection was indicated.Due to substantial intraoperative bleeding and hemodynamic instability,only a near-complete resection could be achieved.Histopathology and immunohistochemical staining confirmed the diagnosis of primary E-GIST of the liver.Considering the risk/benefit ratio for therapeutic options,debulking surgery may represent a strategy to control pain and prolong survival.CASE SUMMARY Here,we present a case report of a patient diagnosed with E-GIST primary of the liver,which was indicated a cytoreductive surgery and adjuvant therapy with imatinib.CONCLUSION E-GIST primary of the liver is a rare conditional,the treatment is with systemic therapy and total resection surgery.However,a cytoreductive surgery will be necessary when a complete resection is no possible.Michel Ribeiro Fernandes Caroline Lorenzoni Almeida Ghezzi Tomaz J M Grezzana-Filho Flávia Heinz Feier Ian Leipnitz Aljamir Duarte Chedid Carlos Thadeu Schmidt Cerski Marcio Fernandes Chedid Cléber RositoPinto Kruel 2021World Journal of Gastrointestinal Surgery2021,13,3:3
3Extract of the seeds of the plant Vitex agnus castus proven to be highly efficacious as a repellent against ticks, fleas, mosquitoes and biting flies显示文摘Heinz Mehlhorn Günter Schmahl Jürgen Schmidt 2005Parasitology Research2005,,5:2
4Comparison of PET imaging with a 68 Ga-labelled PSMA ligand and 18 F-choline-based PET/CT for the diagnosis of recurrent prostate cancer显示文摘Ali Afshar-Oromieh Christian M. Zechmann Anna Malcher Matthias Eder Michael Eisenhut Heinz G. Linhart Tim Holland-Letz Boris A. Hadaschik Frederik L. Giesel Jürgen Debus Uwe Haberkorn 2014European Journal of Nuclear Medicine and Molecular Imaging2014,,1:2
5Molecular elements of pheromone detection in the female moth, Hefiothis virescens显示文摘Monika Zielonka Heinz Breer Jürgen Krieger 2018Insect Science2018,25,3:2
6Evaluation of putative seed-specific promoters for Linum usitatissimum显示文摘Drexler H H S Scheffler J A Heinz E 2003Molecular Breed- ing2003,11,:1
7Optimizing the selection of bridging particles for reservoir drilling fluids 显示文摘Dick M A Heinz T J Svoboda C F 2000SPE 587932000,,:1
8Microfluidic im- munosensor for rapid and sensitive detection of bovine vi- ral diarrhea virus 显示文摘Heinze B C Song J Y Yoon J Y 2009Sens Actuator B-Chem2009,138,2:1
9Fungal bio-transformation of benzo quinoline,benzo quino-line ,and phenanthridine显示文摘Sutherland J B Cross E L Heinze T M 2005Appl Microbiol Biotechn-ol2005,67,:1
10Determination of width of meander-belt sandstone reservoirs from vertical downhole data,Mesaverde Group,Piceance Greek Basin,Colorado显示文摘LORENZ J C HEINZE D M CLARK J A 1985AAPG Bulletin1985,69,5:1
11Photon Stars显示文摘Heinz–Jürgen Schmidt Felix Homann 2000General Relativity and Gravitation2000,,5:1
12Crystallography of the (3 × 3) surface reconstruction of 3c-SiC (111 ), 4H-SiC(0001), and 6H-SiC(0001) surface retrieved by lower-energy electron diffraction显示文摘Schardt J Bernhardt Starke U Heinz K 2000Phys Rev B2000,62,10:1
13Distribution patterns of rare-earth elements and uranium in tertiary sedimentary phosphorites of Hahoto-Kpogam,Togo 显示文摘Kissao G U Heinz J T 2003Journal of African Earth Sciences2003,37,:1
14PLIF thermometry based on measurements of absolute concentrations of the OH radical显示文摘HEINZE J MEIER U BEHRENDT T 0,,:1
15Mating type loci of Sporisorium reilianum:Novel pattern with three a and multiple b specificities显示文摘Schirawski J Heinze B 2005Eukaryotic Cell2005,,4:1
16Integration of an electrochemical quartz-crystal microbalance into a scanning electrochemical microscope for mechanistic studies of surface patterning reactions显示文摘Hess C Borgwarth K Heinze J 2000Electrochim Acta2000,45,:1
17True protein digestibility and amounts of endogenous protein measured with 15N-dilution technique in piglets fed on peas (Pisum sativum)and common beans (Phaseolus vulgaris)显示文摘Huisman J Heinz T H van der Poel A F B 1992BrJ Nutr1992,68,:1
18Increased Serum Concentration of Soluble CD14 Is a Prognostic Marker in Gram-Positive Sepsis显示文摘Heinz Burgmann Stefan Winkler Gottferdk J 1996Clinical immunology and immunopa- thology1996,80,3:1
19Scanning silence : mental imagery of complex sounds 显示文摘N Bunzeek T Wuestenberg K Lutz H J Heinze L Janeke 2005Neuro- image2005,26,4:1
20Oxida-tion of phenothiazine and phenoxazine by cunninghamel-la elegans显示文摘Sutherland J B Freeman J P Heinze T M 2001Xenobiotica2001,31,:1
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