نتایج جستجو برای: گرانیت a1
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Let a1, . . . , ar be positive integers, m = ∑r i=1(ai−1)+1 and p = max{a1, . . . , ar}. For a graph G the symbol G → {a1, . . . , ar} denotes that in every r-coloring of the vertices of G there exists a monochromatic ai-clique of color i for some i = 1, . . . , r. The vertex Folkman numbers F (a1, . . . , ar; m − 1) = min{|V (G)| : G → (a1 . . . ar) and Km−1 6⊆ G} are considered. We prove that...
INTRODUCTION Annexin A1 (ANXA1) is an anti-inflammatory protein reported to play a role in cell proliferation and apoptosis, and to be deregulated in breast cancer. The exact role of annexin A1 in the biology of breast cancer remains unclear. We hypothesized that the annexin A1 plays an oncogenic role in basal subtype of breast cancer by modulating key growth pathway(s). METHODS By mining the...
آنزیم granule-bound starch synthase (gbss) که توسط ژن واکسی کد می شود، کنترل کننده نسبت آمیلوز به آمیلوپکتین در نشاسته است. عدم بیان آنزیم مذکور و یا غیرفعال بودن آن سبب کاهش مقدار آمیلوز نشاسته و افزایش سهم آمیلوپکتین گردیده و نشاسته از ویژگی واکسی برخوردار می گردد. نشاسته های واکسی غلات، به ویژه برنج، ذرت و گندم دارای کاربردهای صنعتی و تغذیه ای فراوانی می باشند. گندم نان(triticum aestivum l) ...
In the present study, we investigated the ability of an immobilized phospholipase A1 (PLA1) in degumming of soybean oil. The enzyme was immobilized by simple adsorption on bentonite without any further modification. The free and immobilized PLA1 were characterized by Fourier Transform InfraRed (FT-IR) spectroscopy and X-Ray Diffraction (XRD). The immobilizat...
The human reduced folate carrier (hRFC) is reported to be regulated by up to seven alternatively spliced noncoding exons (A1, A2, A, B, C, D, and E). Noncoding exon and promoter usage was analyzed in RNAs from 27 childhood acute lymphoblastic leukemia (ALL) specimens by real-time PCR and/or 5' rapid amplification of cDNA ends (5' RACE) assay. By real-time PCR, total hRFC transcripts in ALL span...
Salmonella typhimurium A1-R (S. typhimurium A1-R) attenuated by leu and arg auxotrophy has been shown to target multiple types of cancer in mouse models. In the present study, toxicologic and biodistribution studies of tumor-targeting S. typhimurium A1-R and S. typhimurium VNP20009 (VNP 20009) were performed in a syngeneic tumor model growing in immunocompetent BALB/c mice. Single or multiple d...
Let A1 = K〈X,Y | [Y,X] = 1〉 be the (first) Weyl algebra over a field K of characteristic zero. It is known that the set of eigenvalues of the inner derivation ad(Y X) of A1 is Z. Let A1 → A1, X 7→ x, Y 7→ y, be a K-algebra homomorphism, i.e. [y, x] = 1. It is proved that the set of eigenvalues of the inner derivation ad(yx) of theWeyl algebra A1 is Z and the eigenvector algebra of ad(yx) is K〈x...
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