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3 papers found.
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Structural change of the frustule of diatom by thermal treatment

The external skeleton, frustule, of a diatom is composed of hydrous amorphous silica and amino acids. In this study, the structural changes in the frustule of Chaetoceros calcitrans after thermal treatment up to 1200 °C were investigated using X-ray diffraction and attenuated total reflection infrared spectroscopy and Raman spectroscopy. Their structural changes after thermal...

Total Laparoscopic Management for Stage IV Colorectal Cancer Requiring Multivisceral Resection

Passot, Claire Goumard, Masayuki Okuno, Thomas A. Aloia, Cathy Eng, George Chang, Jean-Nicolas Vauthey, and Clau- dius Conrad have declared no conflicts of interest 1 Department of Surgical Oncology

Gastric Carcinoid with Hypergastrinemia: Report of Three Cases

We report 3 cases of gastric carcinoids with hypergastrinemia. Case 1: A 60-year-old man had a 2 cm carcinoid of the stomach and underwent partial resection. Involvement of the muscularis propria and lymph nodes metastasis were observed microscopically. Follow-up gastroscopy revealed another carcinoid lesion and total gastrectomy was performed. Case 2: A 67-year-old woman with...