Masayuki Yoshikawa

Research interests

Publications

• Tunnel Magnetoresistance Over 100% in MgO-Based Magnetic Tunnel Junction Films With Perpendicular Magnetic L1$_{0}$-FePt Electrodes

  IEEE Transactions on Magnetics · 2008 · https://doi.org/10.1109/tmag.2008.2003059

• Lower-current and fast switching of a perpendicular TMR for high speed and high density spin-transfer-torque MRAM

  Journal · 2008 · https://doi.org/10.1109/iedm.2008.4796680

• Medicinal Flowers. XII.1) New Spirostane-Type Steroid Saponins with Antidiabetogenic Activity from Borassus flabellifer

  Chemical and Pharmaceutical Bulletin · 2007 · https://doi.org/10.1248/cpb.55.308

• Anti-obesity effects of chikusetsusaponins isolated from Panax japonicus rhizomes

  BMC Complementary and Alternative Medicine · 2005 · https://doi.org/10.1186/1472-6882-5-9

• New Crinine-Type Alkaloids with Inhibitory Effect on Induction of Inducible Nitric Oxide Synthase from Crinum yemense

  Journal of Natural Products · 2004 · https://doi.org/10.1021/np030529k

• Carnosic acid, a new class of lipid absorption inhibitor from sage

  Bioorganic & Medicinal Chemistry Letters · 2004 · https://doi.org/10.1016/j.bmcl.2004.01.091

• Anti-Hyperlipidemic sesquiterpenes and new sesquiterpene glycosides from the leaves of artichoke (Cynara scolymus L.): structure requirement and mode of action

  Bioorganic & Medicinal Chemistry Letters · 2003 · https://doi.org/10.1016/s0960-894x(02)00889-2

• Structures of New Dammarane-Type Triterpene Saponins from the Flower Buds of Panax notoginseng and Hepatoprotective Effects of Principal Ginseng Saponins

  Journal of Natural Products · 2003 · https://doi.org/10.1021/np030015l

• Structural requirements of flavonoids for inhibition of protein glycation and radical scavenging activities

  Bioorganic & Medicinal Chemistry · 2003 · https://doi.org/10.1016/j.bmc.2003.09.045

• Structural Requirements of Flavonoids for Nitric Oxide Production Inhibitory Activity and Mechanism of Action

  Bioorganic & Medicinal Chemistry · 2003 · https://doi.org/10.1016/s0968-0896(03)00067-1

• Salacia reticulata and Its Polyphenolic Constituents with Lipase Inhibitory and Lipolytic Activities Have Mild Antiobesity Effects in Rats

  Journal of Nutrition · 2002 · https://doi.org/10.1093/jn/132.7.1819

• Absolute Stereostructure of Potent α-Glucosidase Inhibitor, Salacinol, with Unique Thiosugar Sulfonium Sulfate Inner Salt Structure from Salacia reticulata

  Bioorganic & Medicinal Chemistry · 2002 · https://doi.org/10.1016/s0968-0896(01)00422-9

• Structural Requirements of Flavonoids and Related Compounds for Aldose Reductase Inhibitory Activity.

  Chemical and Pharmaceutical Bulletin · 2002 · https://doi.org/10.1248/cpb.50.788

• Grinding induced damage in ceramics

  Journal of Materials Processing Technology · 2002 · https://doi.org/10.1016/s0924-0136(02)00952-4

• Medicinal Flowers. VI. Absolute Stereostructures of Two New Flavanone Glycosides and a Phenylbutanoid Glycoside from the Flowers of Chrysanthemum indicum L.: Their Inhibitory Activities for Rat Lens Aldose Reductase.

  Chemical and Pharmaceutical Bulletin · 2002 · https://doi.org/10.1248/cpb.50.972

• Polyphenol Constituents from Salacia Species: Quantitative Analysis of Mangiferin with α-Glucosidase and Aldose Reductase Inhibitory Activities

  YAKUGAKU ZASSHI · 2001 · https://doi.org/10.1248/yakushi.121.371

• Medicinal Foodstuffs. XXI. Structures of New Cucurbitane-Type Triterpene Glycosides, Goyaglycosides-a, -b, -c, -d, -e, -f, -g, and -h, and New Oleanane-Type Triterpene Saponins, Goyasaponins I, II, and III, from the Fresh Fruit of Japanese Momordica charantia L.

  Chemical and Pharmaceutical Bulletin · 2001 · https://doi.org/10.1248/cpb.49.54

• Phytoestrogens from the roots of Polygonum cuspidatum (polygonaceae): structure-Requirement of hydroxyanthraquinones for estrogenic activity

  Bioorganic & Medicinal Chemistry Letters · 2001 · https://doi.org/10.1016/s0960-894x(01)00318-3

• Medicinal Flowers. III. Marigold. (1): Hypoglycemic, Gastric Emptying Inhibitory, and Gastroprotective Principles and New Oleanane-Type Triterpene Oligoglycosides, Calendasaponins A, B, C, and D, from Egyptian Calendula officinalis.

  Chemical and Pharmaceutical Bulletin · 2001 · https://doi.org/10.1248/cpb.49.863

• Adjuvant and Haemolytic Activities of 47 Saponins Derived from Medicinal and Food Plants

  Biological Chemistry · 2000 · https://doi.org/10.1515/bc.2000.009

• Antihyperglycemic Effects of Gymnemic Acid IV, a Compound Derived fromGymnema sylvestreLeaves in Streptozotocin-Diabetic Mice

  Journal of Asian Natural Products Research · 2000 · https://doi.org/10.1080/10286020008041372

• Structure-Requirements of isocoumarins, phthalides, and stilbenes from hydrangeae dulcis folium for inhibitory activity on histamine release from rat peritoneal mast cells

  Bioorganic & Medicinal Chemistry · 1999 · https://doi.org/10.1016/s0968-0896(99)00058-9

• Inhibitory effect and action mechanism of sesquiterpenes from zedoariae rhizoma on d-galactosamine / lipopolysaccharide-induced liver injury

  Bioorganic & Medicinal Chemistry Letters · 1998 · https://doi.org/10.1016/s0960-894x(98)00021-3

• Salacinol, potent antidiabetic principle with unique thiosugar sulfonium sulfate structure from the Ayurvedic traditional medicine Salacia reticulata in Sri Lanka and India

  Tetrahedron Letters · 1997 · https://doi.org/10.1016/s0040-4039(97)10270-2

• Chemical Studies on Crude Drug Precession. I. On the Constituents of Ginseng Radix Rubra (1)

  YAKUGAKU ZASSHI · 1983 · https://doi.org/10.1248/yakushi1947.103.6_612

Current projects

No projects listed.