In-vivo bone remodeling potential of Sr-d-Ca-P /PLLA-HAp coated biodegradable ZK60 alloy bone plate.
Seong-Su Park, Ume Farwa, Ihho Park, Byoung-Gi Moon, Soo-Bin Im, Byong-Taek Lee · Materials today. Bio · 2023
Research-use notice
Independent study record
Each H2HUBB study page organizes source-linked research details for educational use. Interpretation should remain proportional to the study design, population, controls, and limitations.
H2HUBB TAKEAWAY
In 2 2.1 For the in vitro evaluation, Mg alloy ZK60 (Zn-5.5%, Zr-0.49%, and Mg balance) was cut to a size of 10 mm × 10 mm x 2 mm, sr-D-Ca-P and Sr-D-Ca-P/PLLA-HAp coated samples showed an exceptionally low release of hydrogen gas even after 14 days indicating that the coatings successfully decreased the degradation of the Mg alloy. The authors concluded that these results suggest that Sr-D-Ca-P/PLLA-HAp coated Mg alloy bone plate with lower degradation and enhanced biocompatibility can be applied as an orthopedic implant. These findings from a laboratory model add evidence supporting molecular hydrogen's biological and therapeutic potential in the model studied.
What the Findings Mean
H2HUBB reviewed how hydrogen-containing cold-water immersion affected the outcomes measured in 2 2.1 For the in vitro evaluation, Mg alloy ZK60 (Zn-5.5%, Zr-0.49%, and Mg balance) was cut to a size of 10 mm × 10 mm x 2 mm. Sr-D-Ca-P and Sr-D-Ca-P/PLLA-HAp coated samples showed an exceptionally low release of hydrogen gas even after 14 days indicating that the coatings successfully decreased the degradation of the Mg alloy.
What the Researchers Studied
The researchers studied 2 2.1 For the in vitro evaluation, Mg alloy ZK60 (Zn-5.5%, Zr-0.49%, and Mg balance) was cut to a size of 10 mm × 10 mm x 2 mm. The study used a in vitro cell-culture laboratory experiment. The comparison condition was control condition or baseline measurements.
What Effects Did Molecular Hydrogen Have?
Then, the samples were immersed in an electrolytic bath for 24 h at 70 °C [ 20 ] which was prepared by dissolving 36 g of calcium nitrate tetrahydrate (Ca(NO 3 ) 2 ·4H 2 O), 16 g of sodium dihydrogen phosphate dihydrate (NaH 2 PO 4 ·2H 2 O), and 4 g of strontium nitrate (Sr(NO 3 ) 2 ) separately in 1 L distilled water. To observe the release of hydrogen gas, samples were immersed in Hank's solution and an inverted graduated test tube was placed. Sr-D-Ca-P and Sr-D-Ca-P/PLLA-HAp coated samples showed an exceptionally low release of hydrogen gas even after 14 days indicating that the coatings successfully decreased the degradation of the Mg alloy. The authors concluded that these results suggest that Sr-D-Ca-P/PLLA-HAp coated Mg alloy bone plate with lower degradation and enhanced biocompatibility can be applied as an orthopedic implant.
Why These Findings Matter
These findings from a laboratory model add evidence supporting molecular hydrogen's biological and therapeutic potential in the model studied.
How Strong Is This Evidence?
This is laboratory evidence from a in vitro cell-culture laboratory experiment. It is most informative for the biological mechanisms, cellular responses, or biochemical outcomes directly measured.
Technical Study Details
H2HUBB classifies this publication as laboratory study with laboratory or cellular evidence. The research population or model was 2 2.1 For the in vitro evaluation, Mg alloy ZK60 (Zn-5.5%, Zr-0.49%, and Mg balance) was cut to a size of 10 mm × 10 mm x 2 mm. The study used a in vitro cell-culture laboratory experiment. The hydrogen delivery method was hydrogen-containing cold-water immersion.
Limitations and Safety
No separate limitations or safety findings were identified in the current-study source text available to H2HUBB.
Original Study and H2HUBB Research Context
H2HUBB presents this source-grounded research record as one contribution to the broader molecular-hydrogen evidence base.