Royalactin induces queen differentiation in honeybees
M Kamakura - Nature, 2011 - nature.com
The honeybee (Apis mellifera) forms two female castes: the queen and the worker. This
dimorphism depends not on genetic differences, but on ingestion of royal jelly, although the …
dimorphism depends not on genetic differences, but on ingestion of royal jelly, although the …
Fatigue behaviour and fracture mechanism of a rolled AZ31 magnesium alloy
K Tokaji, M Kamakura, Y Ishiizumi… - International Journal of …, 2004 - Elsevier
Axial fatigue tests have been performed using smooth specimens and CT specimens of a
rolled AZ31 magnesium alloy in laboratory air at ambient temperature. Fatigue strength and …
rolled AZ31 magnesium alloy in laboratory air at ambient temperature. Fatigue strength and …
Antifatigue effect of fresh royal jelly in mice
M Kamakura, N Mitani, T Fukuda… - Journal of nutritional …, 2001 - jstage.jst.go.jp
We investigated the antifatigue effect of royal jelly (RJ), which had been stored at-20• Ž from
immediately after collection, in male Std ddY mice. The mice were accus tomed to swimming …
immediately after collection, in male Std ddY mice. The mice were accus tomed to swimming …
Effect of extrusion conditions on grain refinement and fatigue behaviour in magnesium alloys
Y Uematsu, K Tokaji, M Kamakura, K Uchida… - Materials Science and …, 2006 - Elsevier
This paper describes the grain refinement due to controlled extrusion and the fatigue behaviour
of the extruded materials in three magnesium alloys, AZ31B, AZ61A and AZ80. First, in …
of the extruded materials in three magnesium alloys, AZ31B, AZ61A and AZ80. First, in …
Metabolism of vitamin D by human microsomal CYP2R1
R Shinkyo, T Sakaki, M Kamakura, M Ohta… - … and biophysical research …, 2004 - Elsevier
… The K m and k cat values for the CYP2R1-dependent 25-hydroxylation activity toward vitamin
D 3 were 0.45 μM and 0.97 min −1 , respectively. The k cat /K m value of CYP2R1 was 26-…
D 3 were 0.45 μM and 0.97 min −1 , respectively. The k cat /K m value of CYP2R1 was 26-…
Fifty-seven-kDa protein in royal jelly enhances proliferation of primary cultured rat hepatocytes and increases albumin production in the absence of serum
M Kamakura, N Suenobu, M Fukushima - Biochemical and biophysical …, 2001 - Elsevier
… and storage period, and we suggested that it could be useful as a marker of freshness of
RJ (Kamakura, M., Fukuda, T., Fukushima, M. and Yonekura, M. (2001) Biosci. Biotechnol. …
RJ (Kamakura, M., Fukuda, T., Fukushima, M. and Yonekura, M. (2001) Biosci. Biotechnol. …
The great buddha project: Digitally archiving, restoring, and analyzing cultural heritage objects
…, R Kurazume, K Nishino, M Kamakura… - International Journal of …, 2007 - Springer
This paper presents an overview of our research project on digital preservation of cultural
heritage objects and digital restoration of the original appearance of these objects. As an …
heritage objects and digital restoration of the original appearance of these objects. As an …
Terahertz wave emission and detection using photoconductive antennas made on low-temperature-grown InGaAs with 1.56 μm pulse excitation
A Takazato, M Kamakura, T Matsui, J Kitagawa… - Applied physics …, 2007 - pubs.aip.org
… used as terahertz detectors with excitation at 1.56 μ m . The aim of this letter is to … m and
compare the performance of the antennas of different In contents. We also show that a 1.5 μ m …
compare the performance of the antennas of different In contents. We also show that a 1.5 μ m …
Bioconversion of vitamin D to its active form by bacterial or mammalian cytochrome P450
…, K Yasuda, E Munetsuna, M Kamakura… - … et Biophysica Acta (BBA …, 2011 - Elsevier
Bioconversion processes, including specific hydroxylations, promise to be useful for practical
applications because chemical syntheses often involve complex procedures. One of the …
applications because chemical syntheses often involve complex procedures. One of the …
Storage-dependent degradation of 57-kDa protein in royal jelly: a possible marker for freshness
M Kamakura, T Fukuda, M Fukushima… - Bioscience …, 2001 - academic.oup.com
In order to find a maker for freshness of royal jelly (RJ), the composition change of RJ during
storage was investigated. The contents of 10-hydroxy-2-decenoic acid, a bioactive …
storage was investigated. The contents of 10-hydroxy-2-decenoic acid, a bioactive …