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作者:Yoshiyuki Yokogawa , Rina Ohkura ...
来源:[J].Key Engineering Materials, 2020, Vol.4790, pp.108-113Trans Tech
摘要:Spherical calcium-alginate gel beads containing HAIO, iron oxide (IO) nanoparticles embedded on hydroxapatite (HA), were prepared along with and poly (N-isopropylacrylamide) (PNIPAAM) or chitosan. These spheres, HAIO, HAIO-PNIPAAM and HAIO-chitosan spheres, were used as carriers ...
作者:Yoshiyuki Yokogawa , T. Yokomizo ...
来源:[J].Key Engineering Materials, 2017, Vol.4322, pp.21-24Trans Tech
摘要:Hyperthermia is a promising cancer therapy due to its minimally-invasive procedure, and the cancer therapeutic efficacy can be improved by magnetic hyperthermia combined with pharamacotherapy. Iron oxide (IO) nanoparticle is a popular medium for hyperthermia treatment, and hydrox...
作者:Yoshiyuki Yokogawa , Ryota Fumimoto , Suguru Inamura
来源:[J].Key Engineering Materials, 2017, Vol.4571, pp.14-18Trans Tech
摘要:The preparation of mesoporous silica compact through spark plasma sintering (SPS) and adsorption / desorption of protein onto SPS mesoporous silica (MPS) compact is reported. MPS powders, prepared using triblock copolymer, PEO20PPO70PEO20, we...
作者:Yoshiyuki Yokogawa , Shota Namba ...
来源:[J].Key Engineering Materials, 2017, Vol.4322, pp.37-40Trans Tech
摘要:Etiology of halitosis is often concerned with gram-negative anaerobic bacteria, which produce the malodorous compounds such as volatile sulfur compounds (VSC), hydrogen sulfide and methyl mercaptan. The absorbents for the malodorous compounds are expected to prevent the teet...
作者:Yoshiyuki Yokogawa , Atsumasa Shishido , K. Hiroyasu
来源:[J].Key Engineering Materials, 2017, Vol.4571, pp.19-23Trans Tech
摘要:Mesoporous silica (MPS) coatings on hydroxyapatite (HAp) granules and their protein adsorptive capabilities were studied. MPS particles were coated on HAp granules using a dip-coating method, but the HAp granules were not totally covered by the MPS particles. A silica interlayer ...
作者:Yoshiyuki Yokogawa , Atsumasa Shishido , Y. Shigarami
来源:[J].Key Engineering Materials, 2018, Vol.4724, pp.207-211Trans Tech
摘要:Mesoporous silica (MPS) coatings on β-tricalcium phosphate (β-TCP) granules and their protein adsorptive capabilities were studied. β-TCP granules containing 2 wt% of aluminum oxide and 6 wt% of silicon oxide were prepared using a pan-type granulator and heated at 1200 oC. M...
作者:Yoshiyuki Yokogawa , Kentaro Fujii ...
来源:[J].Key Engineering Materials, 2018, Vol.4724, pp.9-14Trans Tech
摘要:The self-hardening calcium phosphate cement (CPC) has widely been used in bone defect repairs. CPC tends to decay or disintegrate upon early contact with blood or body fluids, and the gelation of CPC paste using sodium alginate, chitosan, or collagen may overcome such a wash-out ...
作者:Yoshiyuki Yokogawa , M. Kitano , K. Hiroyasu
来源:[J].Key Engineering Materials, 2016, Vol.4028, pp.161-164Trans Tech
摘要:The preparation of mesoporous silica coated rf-sputterd apatite / titanium substrate and protein adsorptive property is reported. Hydroxyapatite coated titanium implant has been used, and the adsorption of proteins onto implant is very important for bond formation between bo...
作者:Yoshiyuki Yokogawa , Kodai Kakehashi ...
来源:[J].Key Engineering Materials, 2018, Vol.4724, pp.250-255Trans Tech
摘要:Bad breath is mainly caused by malodorous materials, volatile sulfur compounds (VSC), hydrogen sulfide (H2S). Pharmaceutical drugs should be effective but limited, because bacteria at deep periodontal pocket may be sterilized but cannot be washed out and the malod...
作者:Yoshiyuki Yokogawa , Taishi Morishima ...
来源:[J].Key Engineering Materials, 2018, Vol.4724, pp.189-194Trans Tech
摘要:The wettability and durability of Si-O coatings prepared on zirconia substrate using radiofrequency magnetron sputtering (rf-sputtering) was studied. XRD analysis revealed no phase transformation of zirconia before/after rf-sputtering process. XPS spectroscopy showed that as-depo...

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