List of Tables
Table 1. Global Collagen Used For Drugs Delivery Market Value by Type, (US$ Million) & (2024 VS 2031)
Table 2. Global Collagen Used For Drugs Delivery Market Value by Application, (US$ Million) & (2024 VS 2031)
Table 3. Global Collagen Used For Drugs Delivery Production Capacity (Units) by Manufacturers in 2024
Table 4. Global Collagen Used For Drugs Delivery Production by Manufacturers (2020-2025) & (Units)
Table 5. Global Collagen Used For Drugs Delivery Production Market Share by Manufacturers (2020-2025)
Table 6. Global Collagen Used For Drugs Delivery Production Value by Manufacturers (2020-2025) & (US$ Million)
Table 7. Global Collagen Used For Drugs Delivery Production Value Share by Manufacturers (2020-2025)
Table 8. Global Key Players of Collagen Used For Drugs Delivery, Industry Ranking, 2023 VS 2024
Table 9. Company Type (Tier 1, Tier 2, and Tier 3) & (based on the Production Value in Collagen Used For Drugs Delivery as of 2024)
Table 10. Global Market Collagen Used For Drugs Delivery Average Price by Manufacturers (US$/Unit) & (2020-2025)
Table 11. Global Key Manufacturers of Collagen Used For Drugs Delivery, Manufacturing Base Distribution and Headquarters
Table 12. Global Key Manufacturers of Collagen Used For Drugs Delivery, Product Offered and Application
Table 13. Global Key Manufacturers of Collagen Used For Drugs Delivery, Date of Enter into This Industry
Table 14. Global Collagen Used For Drugs Delivery Manufacturers Market Concentration Ratio (CR5 and HHI)
Table 15. Mergers & Acquisitions, Expansion Plans
Table 16. Global Collagen Used For Drugs Delivery Production Value by Region: 2020 VS 2024 VS 2031 (US$ Million)
Table 17. Global Collagen Used For Drugs Delivery Production Value (US$ Million) by Region (2020-2025)
Table 18. Global Collagen Used For Drugs Delivery Production Value Market Share by Region (2020-2025)
Table 19. Global Collagen Used For Drugs Delivery Production Value (US$ Million) Forecast by Region (2026-2031)
Table 20. Global Collagen Used For Drugs Delivery Production Value Market Share Forecast by Region (2026-2031)
Table 21. Global Collagen Used For Drugs Delivery Production Comparison by Region: 2020 VS 2024 VS 2031 (Units)
Table 22. Global Collagen Used For Drugs Delivery Production (Units) by Region (2020-2025)
Table 23. Global Collagen Used For Drugs Delivery Production Market Share by Region (2020-2025)
Table 24. Global Collagen Used For Drugs Delivery Production (Units) Forecast by Region (2026-2031)
Table 25. Global Collagen Used For Drugs Delivery Production Market Share Forecast by Region (2026-2031)
Table 26. Global Collagen Used For Drugs Delivery Market Average Price (US$/Unit) by Region (2020-2025)
Table 27. Global Collagen Used For Drugs Delivery Market Average Price (US$/Unit) by Region (2026-2031)
Table 28. Global Collagen Used For Drugs Delivery Consumption Growth Rate by Region: 2020 VS 2024 VS 2031 (Units)
Table 29. Global Collagen Used For Drugs Delivery Consumption by Region (2020-2025) & (Units)
Table 30. Global Collagen Used For Drugs Delivery Consumption Market Share by Region (2020-2025)
Table 31. Global Collagen Used For Drugs Delivery Forecasted Consumption by Region (2026-2031) & (Units)
Table 32. Global Collagen Used For Drugs Delivery Forecasted Consumption Market Share by Region (2026-2031)
Table 33. North America Collagen Used For Drugs Delivery Consumption Growth Rate by Country: 2020 VS 2024 VS 2031 (Units)
Table 34. North America Collagen Used For Drugs Delivery Consumption by Country (2020-2025) & (Units)
Table 35. North America Collagen Used For Drugs Delivery Consumption by Country (2026-2031) & (Units)
Table 36. Europe Collagen Used For Drugs Delivery Consumption Growth Rate by Country: 2020 VS 2024 VS 2031 (Units)
Table 37. Europe Collagen Used For Drugs Delivery Consumption by Country (2020-2025) & (Units)
Table 38. Europe Collagen Used For Drugs Delivery Consumption by Country (2026-2031) & (Units)
Table 39. Asia Pacific Collagen Used For Drugs Delivery Consumption Growth Rate by Region: 2020 VS 2024 VS 2031 (Units)
Table 40. Asia Pacific Collagen Used For Drugs Delivery Consumption by Region (2020-2025) & (Units)
Table 41. Asia Pacific Collagen Used For Drugs Delivery Consumption by Region (2026-2031) & (Units)
Table 42. Latin America, Middle East & Africa Collagen Used For Drugs Delivery Consumption Growth Rate by Country: 2020 VS 2024 VS 2031 (Units)
Table 43. Latin America, Middle East & Africa Collagen Used For Drugs Delivery Consumption by Country (2020-2025) & (Units)
Table 44. Latin America, Middle East & Africa Collagen Used For Drugs Delivery Consumption by Country (2026-2031) & (Units)
Table 45. Global Collagen Used For Drugs Delivery Production (Units) by Type (2020-2025)
Table 46. Global Collagen Used For Drugs Delivery Production (Units) by Type (2026-2031)
Table 47. Global Collagen Used For Drugs Delivery Production Market Share by Type (2020-2025)
Table 48. Global Collagen Used For Drugs Delivery Production Market Share by Type (2026-2031)
Table 49. Global Collagen Used For Drugs Delivery Production Value (US$ Million) by Type (2020-2025)
Table 50. Global Collagen Used For Drugs Delivery Production Value (US$ Million) by Type (2026-2031)
Table 51. Global Collagen Used For Drugs Delivery Production Value Market Share by Type (2020-2025)
Table 52. Global Collagen Used For Drugs Delivery Production Value Market Share by Type (2026-2031)
Table 53. Global Collagen Used For Drugs Delivery Price (US$/Unit) by Type (2020-2025)
Table 54. Global Collagen Used For Drugs Delivery Price (US$/Unit) by Type (2026-2031)
Table 55. Global Collagen Used For Drugs Delivery Production (Units) by Application (2020-2025)
Table 56. Global Collagen Used For Drugs Delivery Production (Units) by Application (2026-2031)
Table 57. Global Collagen Used For Drugs Delivery Production Market Share by Application (2020-2025)
Table 58. Global Collagen Used For Drugs Delivery Production Market Share by Application (2026-2031)
Table 59. Global Collagen Used For Drugs Delivery Production Value (US$ Million) by Application (2020-2025)
Table 60. Global Collagen Used For Drugs Delivery Production Value (US$ Million) by Application (2026-2031)
Table 61. Global Collagen Used For Drugs Delivery Production Value Market Share by Application (2020-2025)
Table 62. Global Collagen Used For Drugs Delivery Production Value Market Share by Application (2026-2031)
Table 63. Global Collagen Used For Drugs Delivery Price (US$/Unit) by Application (2020-2025)
Table 64. Global Collagen Used For Drugs Delivery Price (US$/Unit) by Application (2026-2031)
Table 65. Rousselot Collagen Used For Drugs Delivery Company Information
Table 66. Rousselot Collagen Used For Drugs Delivery Specification and Application
Table 67. Rousselot Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 68. Rousselot Main Business and Markets Served
Table 69. Rousselot Recent Developments/Updates
Table 70. Eligo Bioscience Collagen Used For Drugs Delivery Company Information
Table 71. Eligo Bioscience Collagen Used For Drugs Delivery Specification and Application
Table 72. Eligo Bioscience Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 73. Eligo Bioscience Main Business and Markets Served
Table 74. Eligo Bioscience Recent Developments/Updates
Table 75. Suturo Collagen Used For Drugs Delivery Company Information
Table 76. Suturo Collagen Used For Drugs Delivery Specification and Application
Table 77. Suturo Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 78. Suturo Main Business and Markets Served
Table 79. Suturo Recent Developments/Updates
Table 80. Kyeron Collagen Used For Drugs Delivery Company Information
Table 81. Kyeron Collagen Used For Drugs Delivery Specification and Application
Table 82. Kyeron Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 83. Kyeron Main Business and Markets Served
Table 84. Kyeron Recent Developments/Updates
Table 85. Boehringer Ingelheim Collagen Used For Drugs Delivery Company Information
Table 86. Boehringer Ingelheim Collagen Used For Drugs Delivery Specification and Application
Table 87. Boehringer Ingelheim Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 88. Boehringer Ingelheim Main Business and Markets Served
Table 89. Boehringer Ingelheim Recent Developments/Updates
Table 90. Tissue Regenix Collagen Used For Drugs Delivery Company Information
Table 91. Tissue Regenix Collagen Used For Drugs Delivery Specification and Application
Table 92. Tissue Regenix Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 93. Tissue Regenix Main Business and Markets Served
Table 94. Tissue Regenix Recent Developments/Updates
Table 95. Seikagaku Collagen Used For Drugs Delivery Company Information
Table 96. Seikagaku Collagen Used For Drugs Delivery Specification and Application
Table 97. Seikagaku Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 98. Seikagaku Main Business and Markets Served
Table 99. Seikagaku Recent Developments/Updates
Table 100. Integra LifeSciences Collagen Used For Drugs Delivery Company Information
Table 101. Integra LifeSciences Collagen Used For Drugs Delivery Specification and Application
Table 102. Integra LifeSciences Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 103. Integra LifeSciences Main Business and Markets Served
Table 104. Integra LifeSciences Recent Developments/Updates
Table 105. Collagen Solutions Collagen Used For Drugs Delivery Company Information
Table 106. Collagen Solutions Collagen Used For Drugs Delivery Specification and Application
Table 107. Collagen Solutions Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 108. Collagen Solutions Main Business and Markets Served
Table 109. Collagen Solutions Recent Developments/Updates
Table 110. Eden Enterprises Collagen Used For Drugs Delivery Company Information
Table 111. Eden Enterprises Collagen Used For Drugs Delivery Specification and Application
Table 112. Eden Enterprises Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 113. Eden Enterprises Main Business and Markets Served
Table 114. Eden Enterprises Recent Developments/Updates
Table 115. Enviro Biotech Collagen Used For Drugs Delivery Company Information
Table 116. Enviro Biotech Collagen Used For Drugs Delivery Specification and Application
Table 117. Enviro Biotech Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 118. Enviro Biotech Main Business and Markets Served
Table 119. Enviro Biotech Recent Developments/Updates
Table 120. Rejuvenation Science Collagen Used For Drugs Delivery Company Information
Table 121. Rejuvenation Science Collagen Used For Drugs Delivery Specification and Application
Table 122. Rejuvenation Science Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 123. Rejuvenation Science Main Business and Markets Served
Table 124. Rejuvenation Science Recent Developments/Updates
Table 125. Gelita Collagen Used For Drugs Delivery Company Information
Table 126. Gelita Collagen Used For Drugs Delivery Specification and Application
Table 127. Gelita Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 128. Gelita Main Business and Markets Served
Table 129. Gelita Recent Developments/Updates
Table 130. Nitta Gelatin Collagen Used For Drugs Delivery Company Information
Table 131. Nitta Gelatin Collagen Used For Drugs Delivery Specification and Application
Table 132. Nitta Gelatin Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 133. Nitta Gelatin Main Business and Markets Served
Table 134. Nitta Gelatin Recent Developments/Updates
Table 135. Medtronic Collagen Used For Drugs Delivery Company Information
Table 136. Medtronic Collagen Used For Drugs Delivery Specification and Application
Table 137. Medtronic Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 138. Medtronic Main Business and Markets Served
Table 139. Medtronic Recent Developments/Updates
Table 140. CollPlant Collagen Used For Drugs Delivery Company Information
Table 141. CollPlant Collagen Used For Drugs Delivery Specification and Application
Table 142. CollPlant Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 143. CollPlant Main Business and Markets Served
Table 144. CollPlant Recent Developments/Updates
Table 145. Nippi Collagen Used For Drugs Delivery Company Information
Table 146. Nippi Collagen Used For Drugs Delivery Specification and Application
Table 147. Nippi Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 148. Nippi Main Business and Markets Served
Table 149. Nippi Recent Developments/Updates
Table 150. Shanxi Jinbo Biopharmaceutical Collagen Used For Drugs Delivery Company Information
Table 151. Shanxi Jinbo Biopharmaceutical Collagen Used For Drugs Delivery Specification and Application
Table 152. Shanxi Jinbo Biopharmaceutical Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 153. Shanxi Jinbo Biopharmaceutical Main Business and Markets Served
Table 154. Shanxi Jinbo Biopharmaceutical Recent Developments/Updates
Table 155. Jiangsu Chuangjian Medical Technology Collagen Used For Drugs Delivery Company Information
Table 156. Jiangsu Chuangjian Medical Technology Collagen Used For Drugs Delivery Specification and Application
Table 157. Jiangsu Chuangjian Medical Technology Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 158. Jiangsu Chuangjian Medical Technology Main Business and Markets Served
Table 159. Jiangsu Chuangjian Medical Technology Recent Developments/Updates
Table 160. Beijing Weiming Shiguang Biotechnology Collagen Used For Drugs Delivery Company Information
Table 161. Beijing Weiming Shiguang Biotechnology Collagen Used For Drugs Delivery Specification and Application
Table 162. Beijing Weiming Shiguang Biotechnology Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 163. Beijing Weiming Shiguang Biotechnology Main Business and Markets Served
Table 164. Beijing Weiming Shiguang Biotechnology Recent Developments/Updates
Table 165. Giant Biogene Collagen Used For Drugs Delivery Company Information
Table 166. Giant Biogene Collagen Used For Drugs Delivery Specification and Application
Table 167. Giant Biogene Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 168. Giant Biogene Main Business and Markets Served
Table 169. Giant Biogene Recent Developments/Updates
Table 170. Xi'an Qiyue Biotechnology Collagen Used For Drugs Delivery Company Information
Table 171. Xi'an Qiyue Biotechnology Collagen Used For Drugs Delivery Specification and Application
Table 172. Xi'an Qiyue Biotechnology Collagen Used For Drugs Delivery Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 173. Xi'an Qiyue Biotechnology Main Business and Markets Served
Table 174. Xi'an Qiyue Biotechnology Recent Developments/Updates
Table 175. Key Raw Materials Lists
Table 176. Raw Materials Key Suppliers Lists
Table 177. Collagen Used For Drugs Delivery Distributors List
Table 178. Collagen Used For Drugs Delivery Customers List
Table 179. Collagen Used For Drugs Delivery Market Trends
Table 180. Collagen Used For Drugs Delivery Market Drivers
Table 181. Collagen Used For Drugs Delivery Market Challenges
Table 182. Collagen Used For Drugs Delivery Market Restraints
Table 183. Research Programs/Design for This Report
Table 184. Key Data Information from Secondary Sources
Table 185. Key Data Information from Primary Sources
Table 186. Authors List of This Report
List of Figures
Figure 1. Product Picture of Collagen Used For Drugs Delivery
Figure 2. Global Collagen Used For Drugs Delivery Market Value by Type, (US$ Million) & (2020-2031)
Figure 3. Global Collagen Used For Drugs Delivery Market Share by Type: 2024 VS 2031
Figure 4. Animal Derived Collagen Product Picture
Figure 5. Recombinant Human Collagen Product Picture
Figure 6. Global Collagen Used For Drugs Delivery Market Value by Application, (US$ Million) & (2020-2031)
Figure 7. Global Collagen Used For Drugs Delivery Market Share by Application: 2024 VS 2031
Figure 8. Anti-Tumor Drugs Delivery
Figure 9. Protein Drugs Delivery
Figure 10. Gene Therapy Drugs Delivery
Figure 11. Tissue Repair And Regenerative Drugs Delivery
Figure 12. Others
Figure 13. Global Collagen Used For Drugs Delivery Production Value (US$ Million), 2020 VS 2024 VS 2031
Figure 14. Global Collagen Used For Drugs Delivery Production Value (US$ Million) & (2020-2031)
Figure 15. Global Collagen Used For Drugs Delivery Production Capacity (Units) & (2020-2031)
Figure 16. Global Collagen Used For Drugs Delivery Production (Units) & (2020-2031)
Figure 17. Global Collagen Used For Drugs Delivery Average Price (US$/Unit) & (2020-2031)
Figure 18. Collagen Used For Drugs Delivery Report Years Considered
Figure 19. Collagen Used For Drugs Delivery Production Share by Manufacturers in 2024
Figure 20. Global Collagen Used For Drugs Delivery Production Value Share by Manufacturers (2024)
Figure 21. Collagen Used For Drugs Delivery Market Share by Company Type (Tier 1, Tier 2, and Tier 3): 2020 VS 2024
Figure 22. The Global 5 and 10 Largest Players: Market Share by Collagen Used For Drugs Delivery Revenue in 2024
Figure 23. Global Collagen Used For Drugs Delivery Production Value by Region: 2020 VS 2024 VS 2031 (US$ Million)
Figure 24. Global Collagen Used For Drugs Delivery Production Value Market Share by Region: 2020 VS 2024 VS 2031
Figure 25. Global Collagen Used For Drugs Delivery Production Comparison by Region: 2020 VS 2024 VS 2031 (Units)
Figure 26. Global Collagen Used For Drugs Delivery Production Market Share by Region: 2020 VS 2024 VS 2031
Figure 27. North America Collagen Used For Drugs Delivery Production Value (US$ Million) Growth Rate (2020-2031)
Figure 28. Europe Collagen Used For Drugs Delivery Production Value (US$ Million) Growth Rate (2020-2031)
Figure 29. Asia-Pacific Collagen Used For Drugs Delivery Production Value (US$ Million) Growth Rate (2020-2031)
Figure 30. South America Collagen Used For Drugs Delivery Production Value (US$ Million) Growth Rate (2020-2031)
Figure 31. Others Collagen Used For Drugs Delivery Production Value (US$ Million) Growth Rate (2020-2031)
Figure 32. Global Collagen Used For Drugs Delivery Consumption by Region: 2020 VS 2024 VS 2031 (Units)
Figure 33. Global Collagen Used For Drugs Delivery Consumption Market Share by Region: 2020 VS 2024 VS 2031
Figure 34. North America Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 35. North America Collagen Used For Drugs Delivery Consumption Market Share by Country (2020-2031)
Figure 36. U.S. Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 37. Canada Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 38. Europe Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 39. Europe Collagen Used For Drugs Delivery Consumption Market Share by Country (2020-2031)
Figure 40. Germany Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 41. France Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 42. U.K. Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 43. Italy Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 44. Russia Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 45. Asia Pacific Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 46. Asia Pacific Collagen Used For Drugs Delivery Consumption Market Share by Region (2020-2031)
Figure 47. China Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 48. Japan Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 49. South Korea Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 50. China Taiwan Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 51. Southeast Asia Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 52. India Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 53. Latin America, Middle East & Africa Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 54. Latin America, Middle East & Africa Collagen Used For Drugs Delivery Consumption Market Share by Country (2020-2031)
Figure 55. Mexico Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 56. Brazil Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 57. Turkey Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 58. GCC Countries Collagen Used For Drugs Delivery Consumption and Growth Rate (2020-2031) & (Units)
Figure 59. Global Production Market Share of Collagen Used For Drugs Delivery by Type (2020-2031)
Figure 60. Global Production Value Market Share of Collagen Used For Drugs Delivery by Type (2020-2031)
Figure 61. Global Collagen Used For Drugs Delivery Price (US$/Unit) by Type (2020-2031)
Figure 62. Global Production Market Share of Collagen Used For Drugs Delivery by Application (2020-2031)
Figure 63. Global Production Value Market Share of Collagen Used For Drugs Delivery by Application (2020-2031)
Figure 64. Global Collagen Used For Drugs Delivery Price (US$/Unit) by Application (2020-2031)
Figure 65. Collagen Used For Drugs Delivery Value Chain
Figure 66. Channels of Distribution (Direct Vs Distribution)
Figure 67. Bottom-up and Top-down Approaches for This Report
Figure 68. Data Triangulation