نتایج جستجو برای: gmos

تعداد نتایج: 775  

2013
Weiwei Li Song Gao Liqiong Wu Shengqiang Qiu Yufen Guo Xiumei Geng Mingliang Chen Shutian Liao Chao Zhu Youpin Gong Mingsheng Long Jianbao Xu Xiangfei Wei Mengtao Sun Liwei Liu

The chemical vapor deposition (CVD) fabrication of high-density three-dimension graphene macroscopic objects (3D-GMOs) with a relatively low porosity has not yet been realized, although they are desirable for applications in which high mechanical and electrical properties are required. Here, we explore a method to rapidly prepare the high-density 3D-GMOs using nickel chloride hexahydrate (NiCl₂...

Journal: :Biosensors & bioelectronics 2004
Jinfeng Liu Da Xing Xingyan Shen Debin Zhu

With the development of biotechnology, more and more genetically modified organisms (GMOs) have entered commercial market. Because of the safety concerns, detection and characterization of GMOs have attracted much attention recently. In this study, electrochemiluminescence polymerase chain reaction (ECL-PCR) combined with hybridization technique was applied to detect the GMOs in genetically mod...

2009
Xiaoming Zhou Da Xing Yonghong Tang Wei R. Chen

The safety of genetically modified organisms (GMOs) has attracted much attention recently. Polymerase chain reaction (PCR) amplification is a common method used in the identification of GMOs. However, a major disadvantage of PCR is the potential amplification of non-target DNA, causing false-positive identification. Thus, there remains a need for a simple, reliable and ultrasensitive method to ...

2015
Alberto Valdés C. Simó C. Ibáñez Virginia García-Cañas

Strict regulations including risk assessment, labeling, traceability and marketing have been established due to the controversial safety aspects of genetically modified organisms (GMOs). One of the main polemic issues associated with GMOs safety are the possible unintended effects, defined as effects that go beyond the primary expected effects of the genetic modification. In order to effectivel...

Journal: :Analytical and bioanalytical chemistry 2009
Yi Sun Yien-Chian Kwok Peter Foo-Peng Lee Nam-Trung Nguyen

The use of genetically modified organisms (GMOs) as food and in food products is becoming more and more widespread. Polymerase chain reaction (PCR) technology is extensively used for the detection of GMOs in food products in order to verify compliance with labeling requirements. In this paper, we present a novel close-loop ferrofluid-driven PCR microchip for rapid amplification of GMOs. The mic...

Journal: :The China Quarterly 2023

Abstract This study contributes to the research on central–local relations in China by examining local dynamics and defiance. Drawing case of a provincial government's defiance against central policy – Heilongjiang province's 2016 ban genetically modified organisms (GMOs) this shows that despite unprecedented recentralization push recent years, still exists persists. In addition, finds governme...

Journal: :Journal of Nutrition & Food Sciences 2016

2005
Jinfeng Liu Da Xing Xingyan Shen Debin Zhu

With the development of biotechnology, more and more genetically modified organisms (GMOs) have entered commercial market. Because of the safety concerns, detection and characterization of GMOs have attracted much attention recently. Electrochemiluminescence (ECL) method is a chemiluminescent (CL) reaction of species generated electrochemically on an electrode surface. It is a highly efficient ...

2016
Luca Lombardo Samanta Zelasco Gerhart U. Ryffel

Organic farming prohibits the use of genetically modified organisms (GMOs) inasmuch as their genetic material has been altered in a way that does not occur naturally. In actual fact, there is a conventional identity between GMOs and transgenic organisms, so that genetic modification methods such as somatic hybridization and mutagenesis are equalized to conventional breeding. A loophole in this ...

2006
Greg Traxler

This paper surveys the level and distribution of economic impacts of GMOs in the Americas from 1996–2004. Key institutional factors influencing GMO diffusion are discussed. In 2004 the Americas accounted for 94%, of world GMO area. Diffusion has been concentrated; four countries, four crops and two traits account for the vast majority of area. The economic benefits of the diffusion of GMOs have...

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