نتایج جستجو برای: باند nir

تعداد نتایج: 15266  

2015
Zahra Sadeghipoor Yue M. Lu Sabine Süsstrunk

Chromatic aberration distortions such as wavelength-dependent blur are caused by imperfections in photographic lenses. These distortions are much more severe in the case of color and near-infrared joint acquisition, as a wider band of wavelengths is captured. In this paper, we consider a scenario where the color image is in focus, and the NIR image captured with the same lens and same focus set...

2014
Qiusha Tang Yanli An Dongfang Liu Peidang Liu Dongsheng Zhang

A practical and effective strategy for synthesis of Folate-NIR 797-conjugated Magnetic Albumin Nanospheres (FA-NIR 797-MAN) was developed. For this strategy, Magnetic Albumin Nanospheres (MAN), composed of superparamagnetic iron oxide nanoparticles (SPIONs) and bovine serum albumin (BSA), were covalently conjugated with folic acid (FA) ligands to enhance the targeting capability of the particle...

2014
Kristina Heyne Juliane Förster Roland Schüle Klaus Roemer

NIR (novel INHAT repressor) can bind to p53 at promoters and inhibit p53-mediated gene transactivation by blocking histone acetylation carried out by p300/CBP. Like NIR, the E3 ubiquitin ligase MDM2 can also bind and inhibit p53 at promoters. Here, we present data indicating that NIR, which shuttles between the nucleolus and nucleoplasm, not only binds to p53 but also directly to MDM2, in part ...

Journal: :Journal of biomedical optics 2014
Henry Tom Jacob C Simon Kenneth H Chan Cynthia L Darling Daniel Fried

Previous studies have shown that near-infrared (NIR) reflectance and transillumination imaging can be used to acquire high contrast images of early caries lesions and composite restorative materials. The aim of the study was to determine the optimum NIR wavelengths for imaging demineralized areas under dental sealants. Fifteen natural human premolars and molars with occlusal lesions were used i...

Journal: :Nanoscale 2015
Zhiming Liu Binggang Ye Mei Jin Haolin Chen Huiqing Zhong Xinpeng Wang Zhouyi Guo

Near-infrared surface-enhanced Raman scattering (NIR SERS) imaging is now a promising molecular imaging technology due to its narrow spectral bandwidth, low background interference and deep imaging depth. In this work, we report a novel strategy for fabrication of NIR SERS nanoprobes without using any expensive and highly toxic organic dyes. Multifunctional conducting polymer (CP) materials, se...

2015
Xiaoli Chu

In the 1980s, near infrared (NIR) spectroscopy was first applied in agriculture in China. In the 1990s, NIR spectroscopy was gradually accepted as a fascinating analytical technology by some analytical scientists and factory managers, because it possesses several attractive advantages, such as needing no or minimal sample preparation, low cost, high speed and high efficiency. In the 2000s, NIR ...

2012
Enav Corem-Salkmon Benny Perlstein Shlomo Margel

BACKGROUND Colon cancer is one of the major causes of death in the Western world. Early detection significantly improves long-term survival for patients with the disease. Near- infrared (NIR) fluorescent nanoparticles hold great promise as contrast agents for tumor detection. NIR offers several advantages for bioimaging compared with fluorescence in the visible spectrum, ie, lower autofluoresce...

2007
Zhijian Zhang Rui Wang Ke Pan Stan Z. Li Peiren Zhang

In this paper, we present a method for fusing face and iris biometrics using single near infrared (NIR) image. Fusion of NIR face and iris modalities is a natural way of doing multi-model biometrics because they can be acquired in a single image. An NIR face image is taken using a high resolution NIR camera. Face and iris are segmented from the same NIR image. Face and iris features are then ex...

2017
Fusa Ogata Tadanobu Nagaya Yuko Nakamura Kazuhide Sato Shuhei Okuyama Yasuhiro Maruoka Peter L. Choyke Hisataka Kobayashi

Near infrared photoimmunotherapy (NIR-PIT) is a newly-developed cancer therapy in which a monoclonal antibody is conjugated to a near-infrared photoabsorber, IR700 to form an antibody photoabsorber conjugate (APC). After the APC binds to cancer cells expressing the cognate antigen, exposure to NIR light results in rapid, highly selective necrotic cell death of the cancer cells with minimal off-...

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