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"Cardiac imaging is an essential tool in the field of cardio-oncology. Cardiovascular magnetic resonance (CMR) stands out for its accuracy, reproducibility, and ability to provide tissue characterization. These attributes are particularly helpful in screening and diagnosing cardiotoxicity, infiltrative disease, and inflammatory cardiac disease. The ability of CMR to detect subtle changes in cardiac function and tissue composition has made it a useful tool for understanding the pathophysiology of cardiotoxicity. Because of these unique features, CMR is gaining prominence in both the clinical and research aspects of cardio-oncology."Disorders of the pericardium are common and can result in significant morbidity and mortality. Advances in multimodality imaging have enhanced our ability to diagnose and stage pericardial disease and improve our understanding of the pathophysiology of the disease. Cardiovascular MRI (CMR) can be used to define pericardial anatomy, identify the presence and extent of active pericardial inflammation, and assess the hemodynamic consequences of pericardial disease. In this way, CMR can guide the judicial use of antiinflammatory and immune modulatory medications and help with timing of pericardiectomy. CMR can also be used to diagnose congenital disorders of the pericardium. Furthermore, CMR can be used to define pericardial masses and understand their malignant potential.Patients with valvular heart disease-related heart failure are unable to pump enough blood to meet the body's needs. Magnetic resonance imaging (MRI) can play an important role by identifying these patients and distinguishing them from patients whose valvular disease is not the cause of their heart failure. Heart failure is a major public health problem, with a prevalence of 5.8 million people in the United States and more than 223 million people worldwide. This article focuses on the diagnostic and prognostic value of MRI patients with valvular causes of heart failure.Use of cardiac magnetic resonance (CMR) to aid in diagnosis, management, and prognosis of ischemic and nonischemic cardiomyopathy has advanced tremendously in the past several decades. These advances have expanded our understanding of both ischemic and nonischemic cardiomyopathies while also allowing for new avenues of diagnosis and treatment. This review summarizes key concepts of CMR technology and CMR use in the diagnosis and prognosis in ischemic, infiltrative, inflammatory, and other nonischemic cardiomyopathies and discusses the use of CMR in the patient presenting with ventricular arrhythmia with unclear diagnosis and advances in CMR in the management cardiomyopathy.Fungal 1,3(4)-β-D-glucanases were usually applied in brewing and feedstuff industries, however, the thermostability limits the most their application. The characterized 1,3(4)-β-D-glucanase (NFEg16A) from Chinese Nong-flavor (NF) Daqu showed the highest thermostability among GH16 fungal 1,3(4)-β-D-glucanases, with half-lives of thermal inactivation (t1/2) of 44.9 min at 90 °C, so multiple rational designs were used to identify the key residues for its thermostability. Based on protein sequence and 3D structure analyses around the catalytic regions. Nine site-mutants were constructed, among which N173Y and S187A were identified as the most thermotolerant and thermolabile ones, with t1/2 values of 61 min and 14.0 min at 90 °C, respectively. Therefore, N173 and S187 were then selected as "hotspots" for site-saturation mutagenesis. Interestingly, most of the N173 and S187 variants exhibited a similar thermostability to that of N173Y and S187A, respectively, confirming their different roles in the thermostability of NFEg16A. MRTX0902 inhibitor In addition, each S187A and its surrounding substitutions (D144 N and T164 N) was independently detrimental to the thermostability of NFEg16A, since the t1/2 (90 °C) of S187A, D144 N and T164 N were 14.0 min, 20.6 min and 27.2 min, respectively. Surprisingly, combinatorial substitution of S187A with D144 N or T164 N showed positive effects on the thermostability, with the increase of t1/2 (90 °C) to 30.9 min and 63.5 min for S187A-D144 N and S187A-T164 N, respectively. More importantly, S187A-T164 N showed higher thermostability than that of wild type. In short, we successfully identified two key sites and their surrounding residues in response to the thermostability of NFEg16A and further improved its thermostability by several rational designs. These findings could be used for the protein engineering of homologous 1,3(4)-β-D-glucanases, as well as other enzyme family members with high similarities.Novel nano-composites were prepared by coating epoxy resin-based cationic polymer in nano-thickness via in-situ curing on the nano-wall of macroporous SiO2 with pore size of 0.5∼1 μm. By changing the thickness of polymer coating the specific surface area and porosity varied in range of 115∼74 m2/g and 90.4∼83.9 %, respectively. Through ion exchange phospholipase D (PLD, from Streptomyces sp) was efficiently immobilized on the nano-composites as support and the immobilized PLD was applied for the highly efficient synthesis of phosphatidylserine (PS). The loading amount of PLD on the nano-composited support reached to a maximum of 90.2 mg/gsupport, 4 times as high as that on the pure macroporous silica. The specific activity of the immobilized PLD reached as high as 16,230 U/gprotein, while that of free PLD was 18,780 U/gprotein. Under a wide range of temperature and pH the stability and activity of the immobilized PLD were greatly improved as compared with the free ones. Under optimized conditions at 45 °C and pH 7.0, the PS yield reached as high as 96.2 % within 40 min. After 28 days storage the immobilized PLD retained 82.2 % of original activity, and after 12 cycling reuses it retained 79.3 % of PS yield, which indicated that the immobilized PLD exhibited good stability.A robust biocatalyst for green Henry reaction was achieved. Based on the fact that Henry reaction requires a base for proton transfer, we firstly proposed that the catalytic triad of lipase could play this role. The distance between the substrate and the catalytic center and the surrounding amino acid interaction network were used as the criterion. Benzaldehyde and nitromethane were used as the model reaction, RNL (Lipase from Rhizopus niveus) was considered to be the best Henry reaction catalyst via a molecular dynamics simulation. Then experiments demonstrated that RNL has a yield of 48 % using model substrate in water. Further, in order to increase product yield, the chemical modifier 1, 2-cyclohexanedione (CHD) was used to modify Arg on RNL. As a result, RNL (CHD) increased the activity of catalyzing Henry reaction and had a broad spectrum of substrates, the yield of the product was as high as 67-99 %.
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