scholarly journals Fabrication and evaluation of ascorbic acid phosphate-loaded spherical porous hydroxyapatite/octacalcium phosphate granules

2021 ◽  
Vol 129 (1) ◽  
pp. 60-65
Author(s):  
Masanobu KAMITAKAHARA ◽  
Airi ISHII ◽  
Hideaki MATSUBARA ◽  
Masakazu KAWASHITA ◽  
Maiko FURUYA ◽  
...  
Keyword(s):  
Ascorbic Acid ◽  
Octacalcium Phosphate ◽  
Acid Phosphate ◽  
Porous Hydroxyapatite

Ascorbic acid phosphate stimulates type IV collagen synthesis and accelerates adipose conversion of 3T3-L1 cells

1990 ◽  
Vol 187 (2) ◽  
pp. 309-314 ◽  
Author(s):  
Masaaki Ono ◽  
Yasuaki Aratani ◽  
Ikumi Kitagawa ◽  
Yasuo Kitagawa
Keyword(s):  
Ascorbic Acid ◽  
Collagen Synthesis ◽  
Type Iv Collagen ◽  
Acid Phosphate ◽  
Type Iv ◽  
Adipose Conversion

Ascorbic acid phosphate ester and wound healing in rabbit corneal alkali burns: Epithelial basement membrane and stroma

1993 ◽  
Vol 231 (4) ◽  
pp. 221-227 ◽  
Author(s):  
Shizuya Saika ◽  
Kenshiro Uenoyama ◽  
Kenji Hiroi ◽  
Hidetoshi Tanioka ◽  
Kenji Takase ◽  
...  
Keyword(s):  
Wound Healing ◽  
Ascorbic Acid ◽  
Basement Membrane ◽  
Phosphate Ester ◽  
Acid Phosphate ◽  
Epithelial Basement Membrane ◽  
Epithelial Basement

Transformation of Electrodeposited Calcium Phosphate Coatings in Simulated Body Fluid and in Culture Medium

2005 ◽  
Vol 284-286 ◽  
pp. 473-476 ◽  
Author(s):  
Ji Ho Park ◽  
Yong Keun Lee ◽  
Kwang Mahn Kim ◽  
Kyoung Nam Kim
Keyword(s):  
Simulated Body Fluid ◽  
Body Fluid ◽  
Culture Medium ◽  
Titanium Substrate ◽  
Octacalcium Phosphate ◽  
Porous Hydroxyapatite ◽  
Ha Coating ◽  
Mg63 Cells ◽  
The Difference ◽  
Calcium Phosphate Coatings

The coatings formed on the H2O2-treated titanium substrate by electrodeposition were used in order to evaluate the difference of transformations in the simulated body fluid (SBF) and the culture medium with MG63 cells. A porous hydroxyapatite (HA) coating with relatively low crystallinity and large crystallites was formed on the H2O2-treated titanium substrate by electrodeposition. HA coating transformed for 5 days in the SBF consisted of densely-packed rod-shaped crystallites with various differentiated grains. Octacalcium phosphate (OCP) and HA coating transformed for 5 days in the culture medium consisted of both flake-shaped and rod-shaped crystallites with indistinct grains. MG-63 cells were well attached and proliferated during the transformation into this flaked-shaped OCP. This difference between transformations of the HA coatings in the acellular SBF and in the culture medium with MG63 cells is due to different ion composition in each solution and proteins in culture medium.

scholarly journals THE ANTISCORBUTIC ACTIVITY OF L-ASCORBIC ACID PHOSPHATE GIVEN ORALLY AND PERCUTANEOUSLY IN GUINEA PIGS

1967 ◽  
Vol 17 (2) ◽  
pp. 317-324 ◽  
Author(s):  
YOSHIO IMAI ◽  
TOSHIMI USUI ◽  
TOICHIRO MATSUZAKI ◽  
HAJIME YOKOTANI ◽  
HIROYUKI MIMA ◽  
...  
Keyword(s):  
Ascorbic Acid ◽  
Guinea Pigs ◽  
Acid Phosphate

Antiscorbutic activity of ascorbic acid phosphate in the rhesus monkey and the guinea pig

1979 ◽  
Vol 32 (2) ◽  
pp. 325-331 ◽  
Author(s):  
L J Machlin ◽  
F Garcia ◽  
W Kuenzig ◽  
M Brin
Keyword(s):  
Ascorbic Acid ◽  
Guinea Pig ◽  
Rhesus Monkey ◽  
Acid Phosphate

Reversible Structural Changes of Octacalcium Phosphate and Labile Acid Phosphate

1995 ◽  
Vol 74 (11) ◽  
pp. 1764-1769 ◽  
Author(s):  
O. Suzuki ◽  
H. Yagishita ◽  
T. Amano ◽  
T. Aoba
Keyword(s):  
Structural Changes ◽  
Octacalcium Phosphate ◽  
Acid Phosphate

scholarly journals THE ANTISCORBUTIC ACTIVITY OE L-ASCORBIC ACID PHOSPHATE GIVEN ORALLY AND PERCU-TANEOUSLY IN GUINEA PIGS

1967 ◽  
Vol 17 (2) ◽  
pp. 317-324 ◽  
Author(s):  
YOSHIO IMAI ◽  
TOSHIMI USUI ◽  
TOIGHIRO MATSUZAKI ◽  
HAJIME YOKOTANI ◽  
HIROYUKI MIMA ◽  
...  
Keyword(s):  
Ascorbic Acid ◽  
Guinea Pigs ◽  
Acid Phosphate

Prostatic Acid Phosphatase (PAP) Differentiated Ultracytochemically from Lysosomal Acid Phosphate in the Rat with a PAP/Specific Substrate, Phosphorylcholine

1975 ◽  
Vol 33 ◽  
pp. 450-451
Author(s):  
W. Allen Shannon ◽  
José A. Serrano ◽  
Hannah L. Wasserkrug ◽  
Anna A. Serrano ◽  
Arnold M. Seligman
Keyword(s):  
Acid Phosphatase ◽  
Phosphate Buffer ◽  
Prostatic Carcinoma ◽  
Prostatic Acid Phosphatase ◽  
Chemotherapeutic Agents ◽  
Specific Substrate ◽  
Acid Phosphate ◽  
Lysosomal Acid ◽  
Design And Synthesis ◽  
New Chemotherapeutic Agents

During the design and synthesis of new chemotherapeutic agents for prostatic carcinoma based on phosphorylated agents which might be enzyme-activated to cytotoxicity, phosphorylcholine, [(CH3)3+NCH2CH2OPO3Ca]Cl-, has been indicated to be a very specific substrate for prostatic acid phosphatase (PAP). This phenomenon has led to the development of specific histochemical and ultracytochemical methods for PAP using modifications of the Gomori lead method for acid phosphatase. Comparative histochemical results in prostate and kidney of the rat have been published earlier with phosphorylcholine (PC) and β-glycerophosphate (βGP). We now report the ultracytochemical results.Minced tissues were fixed in 3% glutaraldehyde-0.1 M phosphate buffered (pH 7.4) for 1.5 hr and rinsed overnight in several changes of 0.05 M phosphate buffer (pH 7.0) containing 7.5% sucrose. Tissues were incubated 30 min to 2 hr in Gomori acid phosphatase medium (2) containing 0.1 M substrate, either PC or βGP.

Locating Al in the DABCO catalyst before and after Al extraction

1990 ◽  
Vol 48 (4) ◽  
pp. 265-267
Author(s):  
Kathleen B. Reuter
Keyword(s):  
Active Site ◽  
Inverse Relationship ◽  
Transverse Direction ◽  
Reaction Rate ◽  
Acid Phosphate ◽  
Fracture Surfaces ◽  
Al Content ◽  
Before And After ◽  
Relationship Of

The reaction rate and efficiency of piperazine to 1,4-diazabicyclo-octane (DABCO) depends on the Si/Al ratio of the MFI topology catalysts. The Al was shown to be the active site, however, in the Si/Al range of 30-200 the reaction rate increases as the Si/Al ratio increases. The objective of this work was to determine the location and concentration of Al to explain this inverse relationship of Al content with reaction rate.Two silicalite catalysts in the form of 1/16 inch SiO2/Al2O3 bonded extrudates were examined: catalyst A with a Si/Al of 83; and catalyst B, the acid/phosphate Al extracted form of catalyst A, with a Si/Al of 175. Five extrudates from each catalyst were fractured in the transverse direction and particles were obtained from the fracture surfaces near the center of the extrudate diameter. Particles were also obtained from the outside surfaces of five extrudates.

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