نتایج جستجو برای: 635 سال
تعداد نتایج: 160441 فیلتر نتایج به سال:
In this study, the effect of light wavelength on growth rate and lipid production of Synechocystis was investigated. Continuous cultivation system was used to have uniform cell density and avoid self-shading in order to obtain more precise results. Based on previous studies, red light is more efficient than other colors in the visible spectrum for cultivation of Synechocystis; however, the opti...
www.sciencemag.org (this information is current as of May 6, 2008 ): The following resources related to this article are available online at http://www.sciencemag.org/cgi/content/full/313/5787/635 version of this article at: including high-resolution figures, can be found in the online Updated information and services, http://www.sciencemag.org/cgi/content/full/1124694/DC1 can be found at: Supp...
A core group of circadian genes regulate the circadian rhythms in mammalian cells. However, the mammalian cellular circadian rhythm in photobiomodulation remains unknown. A lot of evidence has shown that >20% of expressed mRNAs in bone stissues oscillate in a circadian manner. The aim of this paper is to investigate the mRNA expression of period 1 (per 1) in murine bone marrow-derived mesenchym...
UNLABELLED Uterine artery adaptations during gestation facilitate increases in uterine blood flow and fetal growth. HYPOTHESIS local expression and distribution of uterine artery connexins play roles in mediating in vivo gestational eNOS activation and NO production. We established an ovine model restricting pregnancy to a single uterine horn and measured uterine blood flow, uterine artery sh...
BACKGROUND Low levels of laser or non-coherent light, termed low-level light therapy (LLLT) have been reported to accelerate some phases of wound healing, but its clinical use remains controversial. METHODS A full thickness dorsal excisional wound in mice was treated with a single exposure to light of various wavelengths and fluences 30 minutes after wounding. Wound areas were measured until ...
The aim of this study was to assess the effect of 635- and 670-nm laser irradiation on H.Ep.2 cells in vitro using MTT. In addition to our previous report on the effects of LLLT on the proliferation of laryngeal carcinoma cells in which it was found that irradiaton H.Ep.2 cells with 670-nm laser results in increased cell proliferation, it was decided to evaluate the effect of increased doses of...
The goal of this course is to define invariants of 3-manifolds and knots and representations of the mapping class group, using quantum field theory. We will follow Kohno, Conformal Field Theory and Topology, supplementing it with additional material to make it more accessible. The amount of mathematics that goes into defining these invariants is rather substantial (especially for the geometric ...
'Current Address: Los Alamos National Laboratory, Los Alamos, NM 87545. t Current Address: PSI, LG I25, CH 5232 Villigen PSI, Switzerland. ~ Deceased. coefficients as high as 76%." "To stabilize the solution, Wolfenstein (spin-transfer) parameter data are required of similar quality to those at 800 MeV. " We present these new data here. With the inclusion of these data, Bugg reports stable solu...
BACKGROUND The rate of spontaneous regression in CIN III lesions is controversial. Whereas some studies have reported high regression rates of up to 38% after prolonged biopsy-conus intervals, others have shown rates between 0 and 4% without considering time intervals. Identification of young patients with potentially regressing CIN III could offer the chance to avoid conisation, thus lowering ...
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