研究方向为脂肪相关磁共振成像及分子影像，已建立磁共振脂肪定量方法并在动物模型上得到验证，研究发现通过活体磁共振成像发现肾脏脂质沉积所致的肾脏脂毒性将影响肾脏血氧改变。目前研究重点在相关药物对白色脂肪棕色化的MR活体无创评估。

1、2016年入选江苏省第五期“333工程”高层次人才培养工程（第三层次）。

2、磁共振脂肪成像及氢质子波谱分析在评估脂代谢紊乱相关疾病的应用研究

（2015-13-1），2015年度江苏省医学新技术引进奖，一等奖，排名第一。

已发表中英文论文二十余篇，其中第一作者11篇，包括放射学顶级期刊Radiology。

1. Peng Xin-Gui，LiCong，BaiYingying，WangXinyi，ZhangYi，AnYanli，TengGao-Jun，JuShenghong. Non-Invasive Evaluation of the Migration Effect of TransplantedEndothelial Progenitor Cells in Ischemic Muscle using a multi-modal imagingagent. International Journal of Nanomedicine. 2018, 18:1-11.

2. Peng Xin-Gui, Wang Yuancheng, Zhang Shijun, Bai Yingying, Mao Hui, Teng Gao-Jun, JuShenghong. Noninvasive assessment of age, gender, and exercise effects onskeletal muscle: Initial experience with T1 ρ MRI of calf muscle. J Magn ResonImaging. 2017, 46(1):61-70.

3.  PengXinGui, Bai Yingying, Judy R. James, Darya P. Shlapak, Ju Shenghong. TransplantedEndothelial Progenitor Cells Improve Ischemia Muscle Regeneration in Mice byDiffusion Tensor MR Imaging. Stem Cells International. 2016, 3641401.

4. Peng Xin-Gui, Bai YingYing, Fang Fang, Wang XinYi, Mao Hui, Teng Gao-unJ, JuShenghong. Noninvasive Quantification of Renal Lipid and Oxygenation inDiabetic Mice by Magnetic Resonance Imaging. Radiology, 2013，269（3）：748-757.

5. Peng Xin-Gui, Shenghong Ju, Fang Fang, Yu Wang, Ke Fang, Xin Cui, George Liu, Peng Li,Hui Mao, Gao-Jun Teng. Comparison of Brown and White Adipose Tissue FatFractions in ob, seipin and Fsp27 Gene Knockout Mice by Chemical ShiftSelective Imaging and 1H MR Spectroscopy. Am J Physiol Endocrinol Metab. 2012,304(2): E160-167.

6. Peng Xin-Gui, Shenghong Ju, Yujiao Qin, Fang Fang, Xin Cui, George Liu, Yicheng Ni,Gao-Jun Teng. Quantification of liver fat in mice: comparing dual-echo Dixonimaging, chemical shift imaging, and 1H-MR spectroscopy. Journal of lipidresearch. 2011, 52(10):1847-55.