نتایج جستجو برای: nineteen century

تعداد نتایج: 122991  

Journal: :Annals of the Academy of Medicine, Singapore 2009
Kar Hui Ng Pramod Shrestha Eric Aragon Yew Weng Lau Wee Song Yeo Yiong Huak Chan Prabhakaran Krishnan Hui Kim Yap

INTRODUCTION Renal transplantation is the treatment of choice for children with end-stage renal failure (ESRF). The paediatric renal transplant programme in Singapore was initiated in 1989. This study aimed to examine our outcomes over the 19-year period from 1989 to 2007. MATERIALS AND METHODS A total of 38 renal transplants were performed at our centre. Another 4 patients with overseas tran...

2014
Charlee Byers Peter J. Maughan Jared Clouse J. Ryan Stewart

UNLABELLED PREMISE OF THE STUDY Utah agave (Agave utahensis) and its putative subspecies, A. utahensis subsp. kaibabensis and A. utahensis subsp. utahensis, are keystone species of the Mojave Desert and Colorado Plateau in the southwestern United States. Here we developed microsatellite markers to study population structure and genetic diversity of the two subspecies of A. utahensis. • MET...

Journal: :Molecules 2009
Pi Yu Chen Yuh Chi Kuo Chin Hui Chen Yueh Hsiung Kuo Ching Kuo Lee

Three known flavones and seven known homoisoflavonoids were isolated from the methanolic extract of the leaves of Agave sisalanaPerrine ex Engelm. Their structures were elucidated on the basis of spectroscopic analysis. The isolated compounds were also evaluated for immunopharmacological activity. PBMC were used as target cells, and cell proliferation was determined by (3)H-thymidine uptake. (+...

2005
Gerrit A. Meijer

Already in the late 19th century, the link between chromosomal aberrations and the pathogenesis of cancer was described by von Hanssemann [9]. Moreover, as early as the first decade of the 20th century the German zoologist Theodor Boveri developed a genetic theory of cancer based on these chromosomal aberrations [3]. Until quite recently, these ideas have received only limited attention and foc...

Journal: :Central European journal of public health 2012
Viera Fábryová Pavol Babusík Zuzana Laluhová-Striezencová Monika Drakulová Martina Oslancová Martina Macichová Adriana Sakalová

BACKGROUND Beta-thalassaemia is a congenital disorder caused by point mutations in a haemoglobin beta-globin chain. The heterozygous form produces microcytosis and normal iron levels, however, haemoglobin electrophoresis shows elevated amounts of haemoglobin A2 and eventually foetal haemoglobin F as well. METHODS Between 2005-2011, in three centres in Slovakia, carriers of beta-thalassaemic g...

Journal: :Bioresource technology 2006
J Romero-González J R Peralta-Videa E Rodríguez M Delgado J L Gardea-Torresdey

Thermodynamic studies on the bioadsorption of Cr(III) onto Agave lechuguilla biomass were conduced. The experimental results at different temperatures were modeled using the Langmuir and Freundlich isotherms to obtain the characteristic parameters of each model. Both the Freundlich and Langmuir models were found to represent the bioadsorption process. The average adsorption capacities calculate...

2017
Jose A. Perez-Pimienta Noppadon Sathitsuksanoh Vicki S. Thompson Kim Tran Teresa Ponce-Noyola Vitalie Stavila Seema Singh Blake A. Simmons

BACKGROUND Pretreatment is necessary to reduce biomass recalcitrance and enhance the efficiency of enzymatic saccharification for biofuel production. Ionic liquid (IL) pretreatment has gained a significant interest as a pretreatment process that can reduce cellulose crystallinity and remove lignin, key factors that govern enzyme accessibility. There are several challenges that need to be addres...

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