Magnetic Resonance imaging (MRI) in detection of _Bifidobacterium longum_ and _Clostridium novyi-NT_ labeled with superparamagnetic iron oxide (SPIO) nanoparticle

*Purpose:* To investigate the MR imaging of _Bifidobacterium longum_ and _Clostridium novyi-NT_ labeling with superparamagnetic iron oxide (SPIO) nanoparticles.

*Materials and methods:* Tubes containing _B. longum_-SPIO, Free-SPIO, _B. longum_ and PYG Medium were incubated under anaerobic condition in _in vitro_ experiment. Transmission electron microscope and Prussian blue staining were used to demonstrate intra-bacteria nanoparticles. R~2~^*^ mapping and R~2~ mapping were reconstructed after MR scanning. _B. longum_-SPIO and _C. novyi_-NT-SPIO were injected respectively _in vivo_ to show whether it might be traced by MR imaging.

*Results:* Magnetosomes in bacteria were observed by electron microscopic and stained by Prussian blue staining. At the same concentration of SPIOs, the R~2~^*^ value of _B. longum_-SPIO was significantly higher than that of Free-SPIO (P<0.001), however, the R~2~ value was lower comparing with Free-SPIO (P<0.001). After injection with _B. longum_-SPIO, they could present in tumor and shorten T~2~^*^.

*Conclusion:* _B. longum_ and _C. novyi_-NT could be labeled by SPIO and then traced by MRI

Soft QCD Results from the CMS Experiment

Recent CMS soft QCD results in proton-proton collisions at three LHC center-of-mass energies are highlighted. The properties of minimum bias events such as charged particle transverse momentum spectra, event-by-event multiplicity distributions, the production of the strange particles are measured. Particle correlations, such as long- and short-range angular correlation as well as Bose-Einstein correlation are studied. Characteristics of the underlying event and comparisons to MC tunes have been made.Comment: 6 pages, 8 figures, proceedings for the Meeting of the Division of Particles and Fields of the American Physical Society, 201

The Research on the Problems of the Project Finance in the Energy Saving Service Industry of China and Its Countermeasures

The paper aims to examine the development of new financing models for project finance to attract private investors to finance large Chinese energy infrastructure projects. In particular, the paper investigates the uniqueness of the project finance as a rapidly growing field in finance, the financial characteristics of the project bond market as one of the vehicles for funding energy projects, and the role of the credit support provided by the government to promote the bond-based financing schemes. The paper is organized as follows. Section 1 provides a general description of project finance. Section 2 identifies the economic reasons for using project finance and assesses the role of the project bond market to fund project finance in the energy industry. Section 3 evaluates the proposed financial support from the Chinese Investment Bank and the Chinese Union to boost the Chinese project bond market. Final sections discuss policy implications and conclude