نتایج جستجو برای: am1 semi

تعداد نتایج: 142683  

2008
A. ARDIZZONI

The main purpose of this paper is to study some relevant applications of the results on bialgebras of type one obtained in [AM1] in the framework of abelian braided monoidal categories. Let H be a braided bialgebra in a cocomplete and complete abelian braided monoidal category (M, c) satisfying AB5. Assume that the tensor product commutes with direct sums and is twosided exact. Let M be in HM H...

حسین آرویی راحله خطیب‌زاده, مجید عزیزی, محمد فارسی

با گذشت زمان، بار دیگر پرورش و تولید گیاهان دارویی با رشد قابل‌توجهی روبرو شده‌است. پیشرفت‌های زیست‌فناوری می‌تواند کارآیی بسیاری در حفظ و تکثیر گیاهان در خطر انقراض و همچنین افزایش توان ژنتیکی گیاهان دارویی داشته باشد. تغییرات ژنتیکی رخ داده در کشت‌های کالوس ممکن است به بازدهی بالاتری در تولید متابولیت‌های ثانویه‌ی ارزشمند بیانجامد. انجدان رومی (Levisticum officinale Koch.) از تیره‌ی چتریان، ی...

2007
Arnaud Ronceret Moira J. Sheehan Wojciech P. Pawlowski

Meiosis encompasses a large number of dynamic processes. Some of them are biochemical, such as formation and repair of meiotic double-strand breaks, while others are physical in nature, such as homologous chromosome segregation in anaphase I. Plants have been used as model species in meiosis studies for over 80 years. However, the past decade brought a dramatic improvement in the understanding ...

ژورنال: شیمی کاربردی 2009
حسن زوار موسوی علی عموزاده, فیروزه نعمتی, پریوش پیوندی

این مقاله دسته جدیدی از لیگاندهای دودندانه را به عنوان داروهای پادزهر معرفی می کند. در این مقاله به کمک کمحاسبات تئوری در سطح AM1 اثبات می شود که برخی اسیدهای آمینه طبیعی کمپلکسهای بسیار پایداری با Zn2+ می دهند. محاسبات نشان می دهند که اسیدهای آمینه تریونین و سرین کاندیداهای بهتری هستند.

Journal: :Applied and environmental microbiology 2006
Tim J Strovas Joe M Dragavon Tyler J Hankins James B Callis Lloyd W Burgess Mary E Lidstrom

Respiration rates of bacterial cultures can be a powerful tool in gauging the effects of genetic manipulation and environmental changes affecting overall metabolism. We present an optical method for measuring respiration rates using a robust phosphorescence lifetime-based sensor and off-the-shelf technology. This method was tested with the facultative methylotroph Methylobacterium extorquens AM...

2009
Lamine Cissé Alphonse Tine Léopold Kaboré Adama Saba

The mass spectrometry of a number of 6-substituted coumarins was studied in the context of correlating fragmentation pathways and electronic charges of atoms performed by AM1 semiempirical method. The atomic charges of atoms are found to be good predictors of the fragmentation pathways.

1999
Yao-Yuan Chuang Mala L. Radhakrishnan Christopher J. Cramer Donald G. Truhlar

We calculate the rate constant for the reaction •H + CH3OH f H2 + CH2OH both in the gas phase and in aqueous solution at 298 K. To accomplish this, we apply two different methods to estimate the electronic energies along the reaction path. First, we use specific reaction parameters (SRP) to mix the exchange and correlation energies in Becke’s adiabatic connection theory (AC-SRP) to optimize the...

2012
Paula S. Santos Rafael Nascimento Luciano P. Rodrigues Fabiana A. A. Santos Paula C. B. Faria João R. S. Martins Ana G. Brito-Madurro João M. Madurro Luiz R. Goulart

Anaplasmosis, a persistent intraerythrocytic infection of cattle by Anaplasma marginale, causes severe anemia and a higher rate of abortion, resulting in significant loss to both dairy and beef industries. Clinical diagnosis is based on symptoms and confirmatory laboratory tests are required. Currently, all the diagnostic assays have been developed with whole antigens with indirect ELISA based ...

Journal: :Drug metabolism and disposition: the biological fate of chemicals 2008
Ian S Westley Raymond G Morris Allan M Evans Benedetta C Sallustio

In humans, mycophenolic acid (MPA) is metabolized primarily by glucuronidation in the liver to mycophenolate ether glucuronide (MPAGe) and mycophenolate acyl glucuronide (MPAGa). We have previously reported that in perfused livers of TR(-) rats (lacking the Mrp2 transporter), the clearance and hepatic extraction ratio of MPA were significantly lower compared with control Wistar rats, suggesting...

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