نتایج جستجو برای: mcm 41tmspdeta

تعداد نتایج: 3500  

2013
Yu Pan Pramod Kumar Meher

Multiple constant multiplication (MCM) scheme is widely used for implementing transposed direct-form FIR filters. While the research focus of MCM has been on more effective common subexpression elimination, the optimization of addertrees, which sum up the computed sub-expressions for each coefficient, is largely omitted. In this paper, we have identified the resource minimization problem in the...

2013
Zhiqi Wang Juan Navarrete

A zirconium modified MCM-48 mesoporous material was synthesized by surfactant-templated method. Surface grafting Zr-MCM-48 with tungstophosphoric acid led to a great enhancement of both the number of the Brønsted acid sites and acidity strength in comparison with the bare support. At 100 ̊C, the 30 wt% H3PW12O40/Zr-MCM-48 contained 174 mol/g Brønsted acid sites which were 21.7 times greater tha...

1999
Felix Munoz

NAME="DC.type"CONTENT="(SCHEME=MCM-ResourceType) Abstract">NoneIntroduction to thecontent of full textarticles or resources Homepage NAME="DC.type"CONTENT="(SCHEME=MCM-ResourceType)Homepages">NoneInstitutional or personalresource starting points NewsNAME="DC.type"CONTENT="(SCHEME=MCM-ResourceType)...

2008
Wei Liu Biagio Pucci Mosè Rossi Francesca M. Pisani Rudolf Ladenstein

The Mini-Chromosome Maintenance (MCM) proteins are candidates of replicative DNA helicase in eukarya and archaea. Here we report a 2.8 A crystal structure of the N-terminal domain (residues 1-268) of the Sulfolobus solfataricus MCM (Sso MCM) protein. The structure reveals single-hexameric ring-like architecture, at variance from the protein of Methanothermobacter thermoautotrophicus (Mth). More...

2000
J. Krause U. Pfeiffer K. Schmitt O. Stelzer

We have built and tested a mixed signal Multi-Chip Module (MCM) to be used in the Pre-Processor of the ATLAS Level-1 Calorimeter Trigger. The MCM performs high speed digital signal processing on four analogue trigger input signals. Results are transmitted serially at a serial data rate of 800 MBd. Nine chips of different technologies are mounted on a four layer copper substrate. Analogue-to-dig...

Journal: :Molecular cancer research : MCR 2015
Victoria L Bryant Roy M Elias Susan M McCarthy Timothy J Yeatman Mark G Alexandrow

UNLABELLED Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest forms of cancer and is very difficult to treat with conventional chemotherapeutic regimens. Gemcitabine and 5-fluorouracil are used in the management of PDAC and act by indirectly blocking replicative forks. However, these drugs are not highly effective at suppressing disease progression, indicating a need for the develo...

2016
Olivier Hyrien

DNA replication origins strikingly differ between eukaryotic species and cell types. Origins are localized and can be highly efficient in budding yeast, are randomly located in early fly and frog embryos, which do not transcribe their genomes, and are clustered in broad (10-100 kb) non-transcribed zones, frequently abutting transcribed genes, in mammalian cells. Nonetheless, in all cases, origi...

Journal: :American journal of physiology. Gastrointestinal and liver physiology 1999
B Jan-Willem Van Klinken Alexandra W C Einerhand Louise A Duits Mireille K Makkink Kristien M A J Tytgat Ingrid B Renes Melissa Verburg Hans A Büller Jan Dekker

To help us investigate the role of mucin in the protection of the colonic epithelium in the mouse, we aimed to identify the murine colonic mucin (MCM) and its encoding gene. We isolated MCM, raised an anti-MCM antiserum, and studied the biosynthesis of MCM in the gastrointestinal tract. Isolated MCM resembled other mucins in physicochemical properties. Anti-MCM recognized MCM as well as rat and...

2014
Christopher J. Ramey Robert A. Sclafani

Mini-chromosome maintenance (MCM) proteins form complexes that are required for DNA replication and are highly conserved throughout evolution. The replicative helicase of eukaryotic organisms is composed of the six paralogs MCM2-7, which form a heterohexameric ring structure. In contrast, the structure of the archaean replicative MCM helicase is a single Mcm protein that forms a homohexameric c...

2003
A. Jentys

Highly dispersed Co particles in MCM-41 were prepared by direct addition of CoCIz to the synthesis gel. The small clusters of Co did not sinter during reduction and sulfidation. Incorporation of Co into the MCM-41 lattice was not observed. The addition of Co to the synthesis gel did not alter the structural characteristics of the MCM-41 samples.

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