Due to the increasing development of one, two and three dimensional methods of nuclear magnetic resonance in recent years and the need to develop new research and applications of this device in the country, this article attempts to introduce new applications in this field. The applications of this technique in the fields of medicine and food industry and Solid state and recent device developments in this field are briefly introduced.

Introduction: Solid and cystic papillary epithelial neoplasm of pancreas is a rare neoplasm with low malignant potential which often occurs in young women. The tumor is usually large and encapsulated. Microscopic examination reveals small round cells with papillary-configuration in a delicate vascular stroma. Case Report: The cases presented in this report were 2 women at the age of 15 & 26 who were both injured by striking. Radiologic findings revealed retroperitoneal mass. Both patients have not had any problem after surgery yet.Conclusion: In this neoplasm, surgery is treatment of choice and definite diagnosis is made by histology and immunohistochemistry. Patients have excellent long-time prognosis.

Background and Objectives: Solid Pseudo-Papillary Tumor (SPPT) is a benign and rare neoplasm which transforms to malignant from in fewer than 1 to 2 percent of cases. In more than 90% of the cases, it appears in young women ages 20 to 40 years old. Although SPPT is a benign tumor, it has special potential for mild malignancy. Case Report: The patient was an 18-year old woman with abdominal mass, headache, fever, chill, decreased appetite, pallor and dysuria who referred to Shahid Sadooghi hospital of Yazd, Iran in July 2007. In examination, a firm inflated, mobile, and painless mass with distinct borders was palpated in the left upper abdominal quadrant. This mass was 16 cm in diameter. In CT scan a large hypodense mass with thick wall and crossing the center line on the right side of spine was prominent. Microscopic evaluations after the surgery showed tumoral cells of small polyhedral core elliptical, pseudopapillary processes trabeculs with diffused fibrosis, atrophy acinar and mild infiltration of chronic inflammatory cells in the tumors margins. Conclusion: The final diagnosis in this patient was SPPT, a primary neoplasm of the pancreas. Its etiology is unknown and has low potential to turn into malignant form. It should be considered, especially in young women. Complete removal of the mass is the preferred treatment of the patients. Patients with local recurrence or metastasis can have long term survival after complete removal of the mass.

A new all-Solid-state ion selective electrode (ASS-ISE) was developed for the determination of thulium trivalent cation. The potentiometric sensor was made by depositing a thin PVC membrane containing N՛-[(2-hydroxyphenyl)methylidene]-2-furohydrazide (L) as a selectophore on a conducting Solid-state electrode. The Solid-state electrode was a thin copper wire coated by a mixture of multi-walled carbon nanotubes (MWCNTs) and an epoxy resin. The optimal composition of the PVC membrane was 25%wt. of PVC powder, 68% wt. of benzyl acetate, 2% wt. of sodium tetraphenyl borate (NaTPB)), and 5% wt. of L. The sensor showed good selectivity for Tm3+ ion with a Nernstian calibration plot slope of 19.6±0.4 mV/decade in Tm3+ ion solutions with concentrations ranging from 1.0×10-8 M to 1.0×10-3 M, and its limit of detection was as low as 6.3×10-9 M. The proposed sensor was able to detect Tm3+ cations in the wastewater matrix.

In accordance with specific properties of fungal chitosan, the chitosan production in Solid substrate fermentation (SSF) by fungi has been introduced as a new method to produce this valuable biopolymer. In this work A. niger strains were grown on different Solid substrates of soybean, corn seed, cotton seed and colza seed residue as nitrogen containing substrates to study the production potential of chitosan. The effects of nitrogen content, fungal strain and moisture content of Solid substrate in chitosan production were studied. The results of this study illustrate that, in all of A. niger strains, PTCC 5012, PTCC 5103, PTCC 5010, the amount of chitosan at 4th day of fermentation with ca. 37% moisture and pH =6.4 (in case of cotton seed and soybean) was about 12.691 (g/kg dry substrate). The highest amount of production by PTCC 5012 strain in soybean residue substrate at ca.37% moisture in 12th day of fermentation reached 17.053 (g/kg dry substrate), and by PTCC 5010 strain in cotton seed residue medium in the 8th day, 17.97 (g/kg dry substrate) chitosan was obtained.