217 results on '"Ehmcke, Jens"'
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2. Effects of different storage protocols on cat testis tissue potential for xenografting and recovery of spermatogenesis
3. Is the Boone-Indicator Applicable? — Evidence from a Combined Data Set of German Manufacturing Enterprises
4. Testicular function and fertility preservation in male cancer patients
5. Immunocytochemical localization of kisspeptin and kisspeptin receptor in the primate testis
6. Raman microspectroscopic discrimination of TCam-2 cultures reveals the presence of two sub-populations of cells
7. Sperm competition and the evolution of spermatogenesis
8. Effects of embryo culture media do not persist after implantation: a histological study in mice
9. Efficient enrichment of undifferentiated GFR alpha 1+ spermatogonia from immature rat testis by magnetic activated cell sorting
10. Is the Boone-Indicator Applicable? - Evidence from a Combined Data Set of German Manufacturing Enterprises
11. Comparative Marker Analysis after Isolation and Culture of Testicular Cells from the Immature Marmoset
12. Identification and Characterization of Spermatogonial Subtypes and Their Expansion in Whole Mounts and Tissue Sections from Primate Testes
13. Testicular recovery after irradiation differs in prepubertal and pubertal non-human primates, and can be enhanced by autologous germ cell transplantation
14. Modulating Testicular Mass in Xenografting: A Model to Explore Testis Development and Endocrine Function
15. Magnetic activated cell sorting allows isolation of spermatogonia from adult primate testes and reveals distinct GFRa1-positive subpopulations in men
16. Testicular stem cells for fertility preservation: Preclinical studies on male germ cell transplantation and testicular grafting
17. Irradiation Causes Acute and Long-Term Spermatogonial Depletion in Cultured and Xenotransplanted Testicular Tissue from Juvenile Nonhuman Primates
18. Effect of cold storage and cryopreservation of immature non-human primate testicular tissue on spermatogonial stem cell potential in xenografts
19. Spermatogonial stem cells: questions, models and perspectives
20. Identification of the starting point for spermatogenesis and characterization of the testicular stem cell in adult male rhesus monkeys
21. Separated dental laminae are present in the upper jaw of Mesoamerican lungless salamanders (Amphibia, Plethodontidae)
22. Gender-dependent dimorphic teeth in four species of Mesoamerican plethodontid salamanders (Urodela, Amphibia)
23. The skull structure of six species of Mesoamerican plethodontid salamanders (Amphibia, Urodela)
24. Tooth development in Ambystoma mexicanum: phosphatase activities, calcium accumulation and cell proliferation in the tooth-forming tissues
25. The structure and development of the skull of Costa Rican plethodontid salamanders (Amphibia: Urodela)
26. Teeth and their sex-dependent dimorphic shape in three species of costa rican plethodontid salamanders (Amphibia: Urodela)
27. Development of the pattern of dentition and dental laminae of costa rican plethodontid salamanders (Amphibia: Urodela)
28. Innovation Indicator 2009: Germany Has Still Some Catching up to Do
29. Technological and Regional Patterns in R&D Internationalization by German Companies
30. Deutschland im Langzeittrend: langsames Aufholen, aber Absturz bei der Bildung
31. Wachstum durch Innovationen: Herausforderungen für die Innovationspolitik
32. Lower total cell numbers in mouse preimplantation embryos cultured in human assisted reproductive technique (ART) media are not induced by apoptosis
33. ANFIBIOS Y REPTILES DE LA RESERVA BIOLOGICA SAN RAMON, COSTA RICA
34. Industries at the World Technology Frontier: Measuring R&D Efficiency in a Non-Parametric DEA Framework
35. An Indicator for National Systems of Innovation
36. An indicator for national systems of innovation: Methodology and application to industrialized countries
37. An indicator for national systems of innovation: Methodology and application to 17 industrialized countries
38. Direct but No Transgenerational Effects of Decitabine and Vorinostat on Male Fertility
39. Innovative Activity in Wind and Solar Technology: Empirical Evidence on Knowledge Spillovers Using Patent Data
40. Empiricism meets theory: Is the Boone-Indicator applicable?
41. Profiling of Cxcl12 Receptors, Cxcr4 and Cxcr7 in Murine Testis Development and a Spermatogenic Depletion Model Indicates a Role for Cxcr7 in Controlling Cxcl12 Activity
42. Technologie, Unternehmensperformance und Marktstruktur
43. Innovation, R&D efficiency and the impact of the regulatory environment: a two stage semi-parametric DEA approach
44. Forschung und Entwicklung deutscher Unternehmen im Ausland
45. Innovationsindikator Deutschland 2009
46. Research efficiency in manufacturing: an application of DEA at the industry level
47. Technology portfolio and market value
48. Innovationsindikator Deutschland 2008
49. Innovationsindikator Deutschland 2007
50. Die Beiträge von Forschung, Entwicklung und Innovation zu Produktivität und Wachstum: Schwerpunktstudie zur 'Technologischen Leistungsfähigkeit Deutschlands'
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