نتایج جستجو برای: کاتالیزور mcm

تعداد نتایج: 5625  

Journal: :Archives of disease in childhood 1977
N R Belton F Cockburn J O Forfar M M Giles J Kirkwood J Smith D Thistlethwaite T L Turner E M Wilkinson

A clinical and biochemical evaluation has been made of a new milk formula, Modified Carnation milk (MCM), based on cows' milk but with the mineral content and concentration of caloric nutrients altered to make it correspond more closely to human milk. MCM produced higher plasma calcium and magnesium concentrations in 6-day-old infants than those produced by unmodified evaporated and dried milks...

2009
Martin Samuels Gaurav Gulati Jae-Ho Shin Rejoice Opara Elizabeth McSweeney Matt Sekedat Stephen Long Zvi Kelman David Jeruzalmi

The mini-chromosome maintenance (MCM) proteins serve as the replicative helicases in archaea and eukaryotes. Interestingly, an MCM homolog was identified, by BLAST analysis, within a phage integrated in the bacterium Bacillus cereus (Bc). BcMCM is only related to the AAA region of MCM-helicases; the typical amino-terminus is missing and is replaced by a segment with weak homology to primases. W...

2009
Malose P. Mokhonoana Neil J. Coville

Fe-MCM-41 materials were prepared by different methods. The Fe was both incorporated into the structure and formed crystallites attached to the silica. High Fe content MCM-41 (~16 wt%) with retention of mesoporosity and long-range order was achieved by a range of new synthetic methodologies: (i) by delaying the addition of Fe(aq) to the stirred synthesis gel by 2 h, (ii) by addition of Fe precu...

2017
Xue Bai Bingxue Hu Qi Yan Ting Luo Bo Qu Nan Jiang Jie Liu Yaxin Zhu

BACKGROUND AND OBJECTIVES Substantial climate changes have led to the emergence and re-emergence of various infectious diseases worldwide, presenting an imperative need to explore the effects of meteorological factors on serious contagious disease incidences such as that of meningococcal meningitis (MCM). METHODS The incidences of MCM and meteorology data between 1981 and 2010 were obtained f...

Journal: :Journal of hazardous materials 2011
Liang-Yi Lin Jien-Ting Kuo Hsunling Bai

This study explored the possibility of recovering waste powder from photonic industry into two useful resources, sodium fluoride (NaF) and the silica precursor solution. An alkali fusion process was utilized to effectively separate silicate supernatant and the sediment. The obtained sediment contains purified NaF (>90%), which provides further reuse possibility since NaF is widely applied in ch...

2014
Clifford A Froelich Sukhyun Kang Leslie B Epling Stephen P Bell Eric J Enemark

The ring-shaped MCM helicase is essential to all phases of DNA replication. The complex loads at replication origins as an inactive double-hexamer encircling duplex DNA. Helicase activation converts this species to two active single hexamers that encircle single-stranded DNA (ssDNA). The molecular details of MCM DNA interactions during these events are unknown. We determined the crystal structu...

2017
Hongbin Zhong Bin Chen Henrique Neves Jinchun Xing Youxin Ye Ying Lin Guohong Zhuang Shu-Dong Zhang Jiyi Huang Hang Fai Kwok

Minichromosome maintenance (MCM) proteins play an essential role in DNA replication. They have been shown to be overexpressed in various types of cancer. However, the role of this family in renal cell carcinoma (RCC) is widely unknown. In this study, we have identified a number of RCC datasets in the Gene Expression Omnibus database and also investigated the correlation between the expression l...

2016
Hui Wang Songjin Zhang Xiumei Tian Chufeng Liu Lei Zhang Wenyong Hu Yuanzhi Shao Li Li

Nanoprobes for combined optical and magnetic resonance imaging have tremendous potential in early cancer diagnosis. Gold nanoparticles (AuNPs) co-doped with Gd2O3 mesoporous silica nanocomposite (Au/Gd@MCM-41) can produce pronounced contrast enhancement for T1 weighted image in magnetic resonance imaging (MRI). Here, we show the remarkably high sensitivity of Au/Gd@MCM-41 to the human poorly di...

2011
Kai Chen Yi Zhou Qi Zheng Xiaokang Yang Li Song

Local feature matching is not robust to extract correct correspondences under many conditions, such as images with general deformations and repetitive patterns. To solve this problem, this paper proposes a new geometric constraint method: Maximal Clique Matching (MCM). In MCM, the global geometric constraint problem can be expressed as the maximal clique problem in graph theory. MCM starts from...

Journal: :Molecular and cellular biology 2003
Kevin J Harvey John Newport

In a Xenopus egg replication system, the origin recognition complex (ORC) does not bind to CpG methylated DNA and DNA replication is inhibited. Insertion of low density CpG DNA of at least 1.2 kb into methylated plasmids rescues both replication and ORC binding. Using this pseudo-origin, we find that ORC binding is restricted to low-CpG-density DNA; however, MCM is loaded onto both weakly and h...

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