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Search Results: 1 - 10 of 51179 matches for " Xiao Fu "
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Study of regenerative medicine in China: demands and clinical translation
Xiao-bing FU
Medical Journal of Chinese People's Liberation Army , 2012,
Abstract: The repair and regeneration of tissue is a well-discussed topic. Over the past 20 years, with the development of genetics, auxology, stem cell biology, and tissue engineering, tissue repair and regeneration have rapidly developed as emerging "Regenerative Medicine". Regenerative medicine has significant market demand in China. Based on national statistics, injury and poisoning patients rank third in afflictions in city hospitals (accounting for 9.13%) and rank second in afflictions in county hospitals (accounting for 14.07%). Totally, approximately one hundred million patients suffered from traumatic, genetic and metabolic diseases in China and demand reparative and regenerative medical treatment each year. The Chinese government and its related departments have always attached great importance and support to the development of regenerative medicine, and the Chinese academic circle is involved in a very wide range of diseases and injuries including regenerative medical theory and technology. Stem cell biology, organ engineering and duplication, tissue engineering research and production have developed rapidly, and great portion of these studies have started to appear in applications, which have aroused extensive concerns in international professional circle. In the next 10 years, the Chinese regenerative medical system will be further improved, in both statute and rules, clinical translation will be further accelerated. Breakthroughs are expected in induced differentiation of stem cells and synchronous repair and regeneration of multiple organs, construction of major organs by tissue engineering, large-scale applications of tissue engineering products, and other aspects.
Cell and gene therapy for arrhythmias: Repair of cardiac conduction damage
Yong-Fu Xiao
老年心脏病学杂志(英文版) , 2011,
Abstract: Action potentials generated in the sinoatrial node (SAN) dominate the rhythm and rate of a healthy human heart. Subsequently, these action potentials propagate to the whole heart via its conduction system. Abnormalities of impulse generation and/or propagation in a heart can cause arrhythmias. For example, SAN dysfunction or conduction block of the atrioventricular node can lead to serious bradycardia which is currently treated with an implanted electronic pacemaker. On the other hand, conduction damage may cause reentrant tachyarrhythmias which are primarily treated pharmacologically or by medical device-based therapies, including defibrillation and tissue ablation. However, drug therapies sometimes may not be effective or are associated with serious side effects. Device-based therapies for cardiac arrhythmias, even with well developed technology, still face inadequacies, limitations, hardware complications, and other challenges. Therefore, scientists are actively seeking other alternatives for antiarrhythmic therapy. In particular, cells and genes used for repairing cardiac conduction damage/defect have been investigated in various studies both in vitro and in vivo. Despite the complexities of the excitation and conduction systems of the heart, cell and gene-based strategies provide novel alternatives for treatment or cure of cardiac arrhythmias. This review summarizes some highlights of recent research progress in this field.
Cardiac arrhythmia and heart failure: From bench to bedside
Yong-Fu Xiao
老年心脏病学杂志(英文版) , 2011,
Abstract:
Relations between the Kahler cone and the balanced cone of a Kahler manifold
Jixiang Fu,Jian Xiao
Mathematics , 2012,
Abstract: In this paper, we consider a natural map from the Kahler cone to the balanced cone of a Kahler manifold. We study its injectivity and surjecticity. We also give an analytic characterization theorem on a nef class being Kahler.
Teissier's problem on proportionality of nef and big classes over a compact K?hler manifold
Jixiang Fu,Jian Xiao
Mathematics , 2014,
Abstract: We solve Teissier's proportionality problem for transcendental nef classes over a compact K\"ahler manifold which says that the equality in the Khovanskii-Teissier inequalities hold for two nef and big classes if and only if the two classes are proportional. This result recovers the previous one of Boucksom-Favre-Jonsson for the case of nef and big line bundles over a (complex) projective algebraic manifold.
Balanced Fertilization Improves Fiber Yield and Quality of Winter Flax (Linum usitatissimum L.)  [PDF]
Feihu Liu, Fei Li, Guanghui Du, Fu Xiao
American Journal of Plant Sciences (AJPS) , 2013, DOI: 10.4236/ajps.2013.42038
Abstract: Winter fiber flax has been planted in a large area in Yunnan Province, the southwestern part of China, and other areas of the world, but little is known about the influence of fertilization on the fiber yield and quality. For that, a two-factor experiment in random block designed was carried out by specifying nitrogen (N), phosphorus (P) and potassium (K) as factor A, boron (B), manganese (Mn), copper (Cu), zinc (Zn) and molybdenum (Mo) as factor B each in four levels and their complete combinations. With the increase of N, P and K fertilizers, the yields of long-fiber and total-fiber obviously increased resulting from the increased straw yield, although the portion of retted-stem in straw, contents of longfiber and total-fiber decreased. The fiber tensile strength and flexibility increased as well. The micronutrients application increased the yields of straw, long-fiber and total-fiber, but gave no influence to fiber content and the fiber qualities. Combinations of the macronutrients and micronutrients gave obvious influences to the yields of straw and fiber, contents of long-fiber and total-fiber, fiber fineness and tensile strength, but little influence to the fiber flexibility. The fertilizers formula A2B2, i.e. N-P2O5-K2O 172.8, 28.8 172.8 kg/hm2, Zn-Cu-B-M-Mo 2363, 1654, 236, 2363,165 g/hm2, was the best, yielding most in the straw, long-fiber and total-fiber, with synchronous improvement of the three quality indices.
Analytical theories of exergy and emergy for ecological research
生态学研究中的分析与能值分析理论

FU Xiao,
付晓

生态学报 , 2004,
Abstract: Exergy and Emergy have been developed as two complementary goal functions. Quantitative applications of Exergy for higher organisms were made with traditional thermodynamic considerations. The concept of Emergy originally came from systems ecology. Exergy is a property of a system, measuring the maximum work that can be extracted from a system when it goes towards the thermodynamic equilibrium with a reference state, whereas Emergy is the energy required to make a service or product expressed in energy of one form. Exergy is a measure of the actual state, of the level of organization and of the information content, while the concept of Emergy contains the history, the time and all the different processed involved up to the present state of the system. Both of them have their respective characteristics on expressing the functions of ecosystems. They represent two complementary aspects of a system. Exergy is a useful, common measure of resource quality and quantity, applicable to both materials and energy. Therefore, Exergy can be used to measure and compare resource inputs and outputs,such as wastes and losses. Exergy is expected to increase as ecosystems mature and form the thermodynamic equilibrium. At the same time, Emergy is a powerful tool for determining energy flows through biological systems and for determining sustainable economic values in the field of ecological economics. Emergy is not only a measure of what have gone into a product, but also a measure of the useful contributions that can be expected from the product as a system self-organizes for maximum production. Accordingly, Emergy is the work that the biosphere has to do to maintain a system far from equilibrium. It is seams that emergy is a production side approach, where quality is measured by the cost of producing a flow or product, while Exergy is an end-use approach, where quality is measured by the usefulness to the receiver. The two approaches are very suitable for describing self-organizing systems such as ecosystems and even more complex systems such as compound eco-ecosystems. Exergy and Emergy accounting can provide insight into the environmental performance and sustainability of eco-ecological process and product. Moreover, the ratio of Exergy to the Emergy flow indicates the efficiency of an ecosystem in producing or maintaining its organization. Considered the variation in time of Exergy and Emergy, their ratio indicates the effect of the change of available inputs in the level of organization of the system under study. A great effort in research is presently made to integrate the two approaches, which also present many common points.
Cell and gene therapy for arrhythmias: Repair of cardiac conduction damage

Xiao Yong-Fu,

老年心脏病学杂志(英文版) , 2011,
Abstract: Action potentials generated in the sinoatrial node (SAN) dominate the rhythm and rate of a healthy human heart. Subsequently, these action potentials propagate to the whole heart via its conduction system. Abnormalities of impulse generation and/or propagation in a heart can cause arrhythmias. For example, SAN dysfunction or conduction block of the atrioventricular node can lead to serious bradycardia which is currently treated with an implanted electronic pacemaker. On the other hand, conduction damage may cause reentrant tachyarrhythmias which are primarily treated pharmacologically or by medical device-based therapies, including defibrillation and tissue ablation. However, drug therapies sometimes may not be effective or are associated with serious side effects. Device-based therapies for cardiac arrhythmias, even with well developed technology, still face inadequacies, limitations, hardware complications, and other challenges. Therefore, scientists are actively seeking other alternatives for antiarrhythmic therapy. In particular, cells and genes used for repairing cardiac conduction damage/defect have been investigated in various studies both in vitro and in vivo. Despite the complexities of the excitation and conduction systems of the heart, cell and gene-based strategies provide novel alternatives for treatment or cure of cardiac arrhythmias. This review summarizes some highlights of recent research progress in this field.
Cardiac arrhythmia and heart failure: From bench to bedside

Xiao Yong-Fu,

老年心脏病学杂志(英文版) , 2011,
Abstract:
Bis(μ-3-chlorobenzene-1,2-dicarboxylato-κ2O2:O2)bis[diaqua(5,5′-dimethyl-2,2′-bipyridine-κ2N,N′)copper(II)]
Fu-An Li,Fu Xu,Xiao-Ming Hu
Acta Crystallographica Section E , 2011, DOI: 10.1107/s1600536811035112
Abstract: In the centrosymmetric binuclear title compound, [Cu2(C8H3ClO4)2(C12H12N2)2(H2O)4], the CuII ion is six-coordinated by two N atoms from a 5,5′-dimethyl-2,2′-bipyridine ligand, two bridging O atoms from two 3-chlorobenzene-1,2-dicarboxylate ligands and two water molecules in a distorted octahedral geometry. The binuclear complex molecules are linked together by intermolecular O—H...O hydrogen bonds into a layer parallel to (100). The layers are connected by C—H...Cl hydrogen bonds. Intramolecular O—H...O hydrogen bonds and π–π interactions [centroid–centroid distance = 3.5958 (16) ] are also present.
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