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Online since: April 2013
Authors: Zhi Hua Xing
In addition, chitosan can be used as an ideal drug delivery material with the advantages of abundant sources and low price.
Therefore, in this study, chitosan was used as drug vector ,folate as tumor targeting ligand to directly prepare FA-CTS microspheres by ionic crosslinking method through electrostatic interactions between protonated amino of chitosan molecular chain in acidic environment and deprotonation carboxyl of folate molecular structure in alkalinity environment as well as FA-CTS/HCPT microspheres. 2 Materials and methods 2.1 Materials Chitosan (sigma degree of deacetylation>95%, relative molecular mass 50000), folic acid (sigma), 10-hydroxycamptothecin (Shanghai Bio-Technology Co., Ltd.).
;Hong-ling,Z.Preparation of chitosan coupled with folate by different connection ratio[J].Journal of Xi,an jiaotong Universiy(Medical Sciences). 2010,31(3):385-387
Therefore, in this study, chitosan was used as drug vector ,folate as tumor targeting ligand to directly prepare FA-CTS microspheres by ionic crosslinking method through electrostatic interactions between protonated amino of chitosan molecular chain in acidic environment and deprotonation carboxyl of folate molecular structure in alkalinity environment as well as FA-CTS/HCPT microspheres. 2 Materials and methods 2.1 Materials Chitosan (sigma degree of deacetylation>95%, relative molecular mass 50000), folic acid (sigma), 10-hydroxycamptothecin (Shanghai Bio-Technology Co., Ltd.).
;Hong-ling,Z.Preparation of chitosan coupled with folate by different connection ratio[J].Journal of Xi,an jiaotong Universiy(Medical Sciences). 2010,31(3):385-387
Online since: September 2014
Authors: Wen Zhong Zhao, Yue Dong Wang, Chun Ge Nie
(a) bolt distribution of scheme 1 (b) solid meshes of bolts (c) solid meshes of end shield
Fig. 3 Diagrammatic sketches of local finite element model
Materials and properties of different components are listed in Table 1.
Table 1 Materials and properties of different components Component Material Yield strength σ y/MPa Permissible stress [σ]/MPa bolt 35CrMo 760 506 Tension bar 25Cr2Ni4MoV 735 462 Ear plate B610CF 605 380 Frame Q345C 345 216 Constraints were set at holes of tension bar, and loads were applied as Fig.4: Fig.4 Structural loads Structural loads in Fig.4 include weight of structure (410t), horizontal compression force (448t) at compression foot, and horizontal tension force (448t) at ear hole.
Lianyou: Analysis for the hydraulic raising system of the new 380t Schnabel car, Journal of Dalian Railway Institute Vol. 18 (1997), No. 06, p. 49 [6] L.
Jinjuan: Test research on the transport of 1000MW Generator Stator by DQ45 Schnabel car with end shield mode, Science of Chinese Railway Vol. 32 (2011), No. 04, p. 109
Table 1 Materials and properties of different components Component Material Yield strength σ y/MPa Permissible stress [σ]/MPa bolt 35CrMo 760 506 Tension bar 25Cr2Ni4MoV 735 462 Ear plate B610CF 605 380 Frame Q345C 345 216 Constraints were set at holes of tension bar, and loads were applied as Fig.4: Fig.4 Structural loads Structural loads in Fig.4 include weight of structure (410t), horizontal compression force (448t) at compression foot, and horizontal tension force (448t) at ear hole.
Lianyou: Analysis for the hydraulic raising system of the new 380t Schnabel car, Journal of Dalian Railway Institute Vol. 18 (1997), No. 06, p. 49 [6] L.
Jinjuan: Test research on the transport of 1000MW Generator Stator by DQ45 Schnabel car with end shield mode, Science of Chinese Railway Vol. 32 (2011), No. 04, p. 109
Online since: March 2008
Authors: Xing Zhong Gu, Hong Yi, Jian Hua Fang, Zhong Hua Ni
Material and method
Material PSF-b-PEOs with different contents of PEO were synthesized via condensation
copolymerization of of 4,4'-dichlorodiphenylsulfone (DCDPS), chlorine-end-capped poly(ethylene
oxide)(PEO-Cl2) and 4,4'-dihydroxybiphenyl (DHBP) in N,N-dimethylacetamide (DMAc) in the
presence of anhydrous potassium carbonate at 160 ºC for 20 h.
Repeat traverses, combined with low flow rates, produce the best coatings and maximum material transfer efficiency.
Acknowledgements This research was financially supported by Major State Basic Research Foundation of China (Grant No.2006CB708610), the Key Foundation of Education Ministry of China (106083) and the Natural Science Foundation of Jiangsu Province China (BK2006709).
JOURNAL OF PHARMACY PRACTICE.
Ink-Jet Deposition of Materials for MEMS Packaging. 6th Topical Workshop on Packaging of MEMS and Related Micro-Nano-Bio Integrated Systems.
Repeat traverses, combined with low flow rates, produce the best coatings and maximum material transfer efficiency.
Acknowledgements This research was financially supported by Major State Basic Research Foundation of China (Grant No.2006CB708610), the Key Foundation of Education Ministry of China (106083) and the Natural Science Foundation of Jiangsu Province China (BK2006709).
JOURNAL OF PHARMACY PRACTICE.
Ink-Jet Deposition of Materials for MEMS Packaging. 6th Topical Workshop on Packaging of MEMS and Related Micro-Nano-Bio Integrated Systems.
Online since: June 2012
Authors: Chuang Shao, Ming Xing Qiu, Yong Zhou, Li Hua Yue
The titanium alloy has replaced lots of steel material in aero-engine.
The first resonance frequency of the pipes is different because of manufacture, material orgonization uniform, etc., each pipe’s vibration fatigue exciting frequency must be gained by the frequency sweep test.
References [1] AVIC, Testing method of vibration fatigue for blade and material of aero-engine[S], HB5277-1984, in Chinese
[2] Mingxing QIU, Jianjun WANG, Zhenxing WANG, Zhanying LI, Aviation Pipe Connection Fit’s Contact FMA and Its Structure Modification, The 3rd International Conference on Manufacturing Science and Engineering [3] Chuang, SHAO, Sen GE, Test Method of the εrms-N Curves of Laminated Composite Beams[J], Journal of Experimental Mechanics, 2009,Vol.24(3):264-268 , in Chinese
[5] Manual of Chinese Aero-materials, 4th volume, China Standard Press, 2002:p93, in Chinese.
The first resonance frequency of the pipes is different because of manufacture, material orgonization uniform, etc., each pipe’s vibration fatigue exciting frequency must be gained by the frequency sweep test.
References [1] AVIC, Testing method of vibration fatigue for blade and material of aero-engine[S], HB5277-1984, in Chinese
[2] Mingxing QIU, Jianjun WANG, Zhenxing WANG, Zhanying LI, Aviation Pipe Connection Fit’s Contact FMA and Its Structure Modification, The 3rd International Conference on Manufacturing Science and Engineering [3] Chuang, SHAO, Sen GE, Test Method of the εrms-N Curves of Laminated Composite Beams[J], Journal of Experimental Mechanics, 2009,Vol.24(3):264-268 , in Chinese
[5] Manual of Chinese Aero-materials, 4th volume, China Standard Press, 2002:p93, in Chinese.
Online since: June 2008
Authors: Ajit D. Kelkar, Ram Mohan, Ronnie Bolick, Sachin Shendokar
In contrast, electrospinning is a simple and
versatile process to produce uniform diameter fibers in random as well as organized fashion with
multitude of configurations in the form of contents and assemblies depending on the starting
material.
,One Dimensional Nanostructures: Synthesis, Characterization and Applications, Advanced Materials, 2003, 15, No. 5, pg.353-389 [4] S.
Ramakrishna et. al., A review on polymer nanofibers by electrospinning and their applications in nanocomposites, Composites Science and Technology 63 (2003) 2223-2253 [5] A.
Modified Short BeamShear Test for Measurement of Interlaminar Shear Strength of Composites, Journal of Composite Materials, Vol. 37, No. 5, 453-464 (2003)
,One Dimensional Nanostructures: Synthesis, Characterization and Applications, Advanced Materials, 2003, 15, No. 5, pg.353-389 [4] S.
Ramakrishna et. al., A review on polymer nanofibers by electrospinning and their applications in nanocomposites, Composites Science and Technology 63 (2003) 2223-2253 [5] A.
Modified Short BeamShear Test for Measurement of Interlaminar Shear Strength of Composites, Journal of Composite Materials, Vol. 37, No. 5, 453-464 (2003)
Online since: January 2005
Authors: Jeong Ok Lim, Young A Han, Jin Hyun Choi, Byung Chul Ji
Journal Citation (to be inserted by the publisher)
Copyright by Trans Tech Publications
Controlled release of growth factor using Poly(N-isopropyl acrylamide)
copolymer hydrogels with different volume phase transition
temperatures
Young A Han
1,*
, Jeong Ok Lim
1, Jin Hyun Choi2 and Byung Chul Ji3
1
Medical Research Institute, Kyungpook National University, Daegu, 700-721, Korea
2
Department of Natural Fiber Science, Kyungpook National University, Daegu, 702-701, Korea
3
Department of Dyeing and Finishing, Kyungpook National University, Daegu, 702-701, Korea
*Corresponding author : bcji@knu.ac.kr
Keywords: P(NIPAAm-co-SMA), hydrogel, volume phase transition, in Vitro bFGF release, drug
delivery system.
Materials and methods Materials.
N SCH2CH2OH R CHO CHO H2C OH H2C SH RNH2 o-phthalaldehyde 2-mercaptoethanol (Fluorescent material)Title of Publication (to be inserted by the publisher) (a) (b) Temperature (oC) 0 10 20 30 40 50 60 70 80 Water content (%) 0 20 40 60 80 100 0 2.6x10-2 3.4x10-2 4.2x10-2 Temperature (oC) 0 10 20 30 40 50 60 70 80 Water content (%) 0 20 40 60 80 100 0 2.6x10-2 3.4x10-2 4.2x10-2 Fig. 1.
Materials and methods Materials.
N SCH2CH2OH R CHO CHO H2C OH H2C SH RNH2 o-phthalaldehyde 2-mercaptoethanol (Fluorescent material)Title of Publication (to be inserted by the publisher) (a) (b) Temperature (oC) 0 10 20 30 40 50 60 70 80 Water content (%) 0 20 40 60 80 100 0 2.6x10-2 3.4x10-2 4.2x10-2 Temperature (oC) 0 10 20 30 40 50 60 70 80 Water content (%) 0 20 40 60 80 100 0 2.6x10-2 3.4x10-2 4.2x10-2 Fig. 1.
Online since: May 2011
Authors: Zhi Ping Qiu, Ji Da Chen, Su Zhao Gao, Juan Bu, Qian Qian Qi
Materials and experimental methods
Materials.
Elastic porogen/pressure filtration technique: Blend elastic porogen and material solution of 7:3 in volume [5], fill the mixture in a mold or die (a cylindrical vial with a diameter of 10mm), push filter plate (the pore size of filter was less than 100μm) to drive partial solution out of mold through filter resulting in elastic porogen contact each others, solidify the composite of elastic porogen/solution through freezing while keeping the contact degree of porogen unchanged, dry the composite with freeze drier, treat the dried composite with microwave oven in water to remove porogen, then obtained the cell scaffold.
Acknowledgements The financial support of The Natural Science Funds of Chongqing, Project Number: CSTC2008BB4056 and Innovative Talent Training Project, the Third Stage of "211 project", Chongqing University, Project Number:S-09103 are gratefully acknowledged.
Sano: Journal of Fermentation and Bioengineering.
Elastic porogen/pressure filtration technique: Blend elastic porogen and material solution of 7:3 in volume [5], fill the mixture in a mold or die (a cylindrical vial with a diameter of 10mm), push filter plate (the pore size of filter was less than 100μm) to drive partial solution out of mold through filter resulting in elastic porogen contact each others, solidify the composite of elastic porogen/solution through freezing while keeping the contact degree of porogen unchanged, dry the composite with freeze drier, treat the dried composite with microwave oven in water to remove porogen, then obtained the cell scaffold.
Acknowledgements The financial support of The Natural Science Funds of Chongqing, Project Number: CSTC2008BB4056 and Innovative Talent Training Project, the Third Stage of "211 project", Chongqing University, Project Number:S-09103 are gratefully acknowledged.
Sano: Journal of Fermentation and Bioengineering.
Online since: December 2003
Authors: Takashi Nakamura, Kawashita Masakazu, Tadashi Kokubo, Hyun Min Kim, Teruyuki Himeno
Journal Citation (to be inserted by the publisher )
Copyright by Trans Tech Publications
Process of Bonelike Apatite Formation on Sintered Hydroxyapatite
in Serum-Containing SBF
Tadashi Kokubo1 , Teruyuki Himeno2 , Hyun-Min Kim
3
, Masakazu Kawashita2
and Takashi Nakamura4
1
Research Institute for Science and Technology, Chubu University, 1200 Matsumoto-cho,
Kasugai-shi, Aichi 487-8501, Japan
kokubo@isc.chubu.ac.jp
2
Department of Material Chemistry, Graduate School of Engineering, Kyoto University,
Sakyo-ku, Kyoto 606-8501, Japan
3
Department of Ceramic Engineering, School of Advanced Materials Engineering,
Yonsei University, 134, Shinchon-dong, Seodaemun-gu, Seoul 120-749, Korea
4
Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Sakyo-ku,
Kyoto 606-8507, Japan
Keywords: Sintered hydroxyapatite, bonelike apatite, serum, SBF, zeta-potential, TEM, EDX
Abstract.
Experimental Hydroxyapatite (HA: Mitsubishi Materials Co., Japan) sintered at 800ºC was ground and sieved into particles less than 5 om in size.
Experimental Hydroxyapatite (HA: Mitsubishi Materials Co., Japan) sintered at 800ºC was ground and sieved into particles less than 5 om in size.
Online since: February 2014
Authors: Xiao Nan Wu, Zi Lin Liu, Wei Tao Li, Jia Li Liu, Shi Juan Wu, Hong Fang Lu, Jie Wan
Materials and methods
Piping stress's classification.
About the calibration for the primary stress of the oil pipeline, based on regulation of ASME B31.4-2009, for restrained pipeline, the pressure generated by the difference of internal pressure and exterior pressure, shall not exceed 0.72 time of the minimum yield strength of the material.
Piping input is the basis of stress analysis, which includes pipeline parameters (DX, DY, diameter,etc.), pipeline’s route in the space (CosX, CosY, etc.), external conditions(temperature, pressure, fluid density, etc.), pipeline material parameters(allowable stress, Poisson's Ratio) and constraints (ANC, Y, etc.).
Table 3 Basic parameters of the model pipeline Material Diameter (mm) Wall thickness (mm) Corrosion (mm) Fluid density (kg/m3) Insulating layer thickness (mm) Starting pressure (Mpa) Starting temperature (℃) End temperature (℃) API 5L X52 406 7.9 1 900 60 77.1 90 6.3 According to the design information of a certain buried hot oil pipeline, the total length of pipeline is approximately 30.4 km, depth is 1.2 m, intermediate settings pump station, outbound temperature is 90 ℃, inlet temperature is 77.1 ℃, buried pipeline overall heat transfer coefficient is 0.54W/m2·℃.
F., “Study on buttresses distance of gas pipelines in the deviated well based on stress analysis method,” Advance Journal of Food Science and Technology., Vol. 5, No.9, 2013, pp.1249-1254
About the calibration for the primary stress of the oil pipeline, based on regulation of ASME B31.4-2009, for restrained pipeline, the pressure generated by the difference of internal pressure and exterior pressure, shall not exceed 0.72 time of the minimum yield strength of the material.
Piping input is the basis of stress analysis, which includes pipeline parameters (DX, DY, diameter,etc.), pipeline’s route in the space (CosX, CosY, etc.), external conditions(temperature, pressure, fluid density, etc.), pipeline material parameters(allowable stress, Poisson's Ratio) and constraints (ANC, Y, etc.).
Table 3 Basic parameters of the model pipeline Material Diameter (mm) Wall thickness (mm) Corrosion (mm) Fluid density (kg/m3) Insulating layer thickness (mm) Starting pressure (Mpa) Starting temperature (℃) End temperature (℃) API 5L X52 406 7.9 1 900 60 77.1 90 6.3 According to the design information of a certain buried hot oil pipeline, the total length of pipeline is approximately 30.4 km, depth is 1.2 m, intermediate settings pump station, outbound temperature is 90 ℃, inlet temperature is 77.1 ℃, buried pipeline overall heat transfer coefficient is 0.54W/m2·℃.
F., “Study on buttresses distance of gas pipelines in the deviated well based on stress analysis method,” Advance Journal of Food Science and Technology., Vol. 5, No.9, 2013, pp.1249-1254
Online since: July 2015
Authors: M. Jaat, Him Ramsy, Amir Khalid, Adiba Rhaodah Andsaler
Applied Mechanics and Materials Vols. 315(2013), Trans Tech Publications, Switzerland, pp.293-298, 2013
Applied Mechanics and Material Vols. 229-231, Trans Tech Publications, Switzerland, pp.700-704, 2012
Asian Journal of Science Research, pp.1-11, 2013
Applied Mechanics and Materials Vols. 315(2013), Trans Tech Publications, Switzerland, pp.517-522, 2013
Applied Mechanics and Material Vols. 229-231, Trans Tech Publications, Switzerland, pp.700-704, 2012
Asian Journal of Science Research, pp.1-11, 2013
Applied Mechanics and Materials Vols. 315(2013), Trans Tech Publications, Switzerland, pp.517-522, 2013