Endoscopic Therapy in Chronic Pancreatitis

Chronic pancreatitis (CP) is a debilitating disease that can result in chronic abdominal pain, malnutrition, and other related complications. The main aims of treatment are to control symptoms, prevent disease progression, and correct any complications. A multidisciplinary approach involving medical, endoscopic, and surgical therapy is important. Endoscopic therapy plays a specific role in carefully selected patients as primary interventional therapy when medical measures fail or in patients who are not suitable for surgery. Endoscopic therapy is also used as a bridge to surgery or as a means to assess the potential response to pancreatic surgery. This review addresses the role of endoscopic therapy in relief of obstruction of the pancreatic duct (PD) and bile du ct, closure of PD leaks, and drainage of pseudocysts in CP. The role of endoscopic ultrasound-guided celiac plexus block for pain in chronic pancreatitis is also discussed

SPECTROSCOPY LETTERS

In this study, the effects of Cu and Tb implantation on the radioluminescence (RL) properties of unimplanted and Cu- and Tb-implanted SrTiO3 (STO) crystals were investigated. The changes induced by heavy ion implants of the surface clearly modify the initial strong RL signals seen near 400750nm. During heating there are step increases in intensity at the RL spectrum near 60, 40, and 82K for unimplanted and Cu- and Tb-implanted samples, respectively

SPECTROSCOPY LETTERS

In the present work, the photoluminescence (PL) spectra of bismuth germanate (BGO) doped with trivalent rare earth element (REE) ions with different doping concentrations (0.03wt% Eu, 0.4wt% Tm, and 1.1wt% Nd) are reported in the temperature range from 10 to 300K using different detectors, namely, photomultiplier tube (PMT), InGaAs (IGA), and Si. The luminescence in the NIR region was also measured at room temperature. Two broad emission bands attributed to undoped BGO were found at circa 1350 and 1800nm, respectively. The broad-band emissions are replaced by narrow-band line emissions defined by the trivalent rare earth dopants. The emission spectra from rare earth ion-doped BGO extend from 500 to 2000nm. Rare earth ions act as the dominant recombination centers and define the emission spectra. This is interpreted as resulting from direct charge transfer from intrinsic defect traps to rare earth recombination centers. The temperature-dependent luminescence of BGO doped with 0.4wt% Tm is also presented

The gooddess cults in Archaic and Classi̇cal period of Cari̇a

Güney Batı Anadolu coğrafyasını kapsayan Karia Bölgesi'nin temel alındığı bu tezde, bölgenin Arkaik ve Klasik dönemlerine ait tanrıça kültleri incelenip tartışmaya açılmış ve konu, mitoslar, ritüeller, tapınaklar, açık hava tapınakları ve tanrıça imgeleri doğrultusunda değerlendirilmiştir. Özellikle Hellenistik Dönem'in siyasal ve ekonomik koşullarıyla birlikte, iç içe geçmeye başladığını gördüğümüz ana tanrıça kültlerinin birbirlerinden bağımsız bir şekilde izah edilebilmesi, dönemin kültürel yapısını anlayabilmemiz için büyük önem arz etmektedir. Çoğu kez bir kültür etkinliği içinde değerlendirilen kültler, sanıldığının aksine, antik dönem boyunca siyasal, sosyal ve ekonomik eylemlerin hep odağında yer almıştır. Dolayısıyla bir kültün anlaşılması, aynı zamanda hem toplumsal yapının, hem siyasal düzenin hem de ekonomik gücün anlaşılmasıyla eşdeğer bir rol üstlenmektedir. Ayrıca başlığa taşıdığımız konu, Karia özelindeki belli başlı tanrıça kültleri üzerinden Arkaik ve Klasik dönemlerin inanç algısını tartıştığı için, pek çok soruna değinmeyi de zaruri kılmaktadır. Bu sorunların başında, kültler söz konusu olduğunda bilim insanlarının yararlanacakları metotların karmaşık yapısı gelmektedir.In this thesis, which is based on the Karia Religion located on the South-Western Anatolian geography, the cults of the goddess of Archaic and Classical periods of the region are being studied, discussed, subject matter, myths, rituals, temples, open air temples and goddess images. Especially the political and economic conditions of the Hellenistic Period, the main goddess cults which we saw to begin to pass inward can be evaluated independently from each other, it is of great importance that we can understand the cultural structure of the period. Cults, often judged in a cultural activity, have always been involved in political, social and economic activities during the antiquity, contrary to what is believed. Thus, a culture understanding assumes a role equivalent to the understanding of both social structure, political order and economic power at the same time. In addition, the issue we carry on the title makes it essential to address many problems, as the archaic and classical periods discuss the perception of faith over the major goddess cults in the particular of Karia. At the beginning of these problems comes the complex structure of the methods scientists will benefit when it comes to cults

SPECTROSCOPY LETTERS

In the present work, the photoluminescence (PL) spectra of bismuth germanate (BGO) doped with trivalent rare earth element (REE) ions with different doping concentrations (0.03wt% Eu, 0.4wt% Tm, and 1.1wt% Nd) are reported in the temperature range from 10 to 300K using different detectors, namely, photomultiplier tube (PMT), InGaAs (IGA), and Si. The luminescence in the NIR region was also measured at room temperature. Two broad emission bands attributed to undoped BGO were found at circa 1350 and 1800nm, respectively. The broad-band emissions are replaced by narrow-band line emissions defined by the trivalent rare earth dopants. The emission spectra from rare earth ion-doped BGO extend from 500 to 2000nm. Rare earth ions act as the dominant recombination centers and define the emission spectra. This is interpreted as resulting from direct charge transfer from intrinsic defect traps to rare earth recombination centers. The temperature-dependent luminescence of BGO doped with 0.4wt% Tm is also presented

APPLIED RADIATION AND ISOTOPES

Results are presented for the cathodoluminescence (CL), radioluminescence (RL) and thermoluminescence (TL) of jade from Turkey. Jade samples show broad band luminescence from green to red, which, using lifetime-resolved CL, reveals seven overlapping emissions, of which two are dominant. Green emission obtained using spatially resolved CL was associated with Mn2+ and emission bands centered near at 480 and 530 nm were attributed to P-3(0)-H-3(4) and D-1(2)-H-3(4) transitions of Pr3+, respectively. Different shifts of the peak-wavelengths for 326 and 565 nm were observed with varying jade compositions. The incorporation of the larger K ion causes non-linear variations of the cell dimensions and therefore changes in the Fe-O band distance. We suggest that stress of the jade structure can be linked to the luminescence emission at 326 nm. Raman spectra have also been recorded in order to provide an unequivocal identification of the type of jade. The mechanism for the luminescence of the jade is considered. (C) 2011 Elsevier Ltd. All rights reserved

Investigation on Cathodoluminescence Properties of Copper Implanted ZnO Samples

ZnO single crystals has been implanted with 400 keV Cu ions at fluences of 2,5 x 1016 ions/cm2 at room temperature. The cathodoluminescence (CL) measurements of pure and Cu implanted samples has been reported at UV-visible range at both room and different temperatures. After the implantation process, the samples were annealed for 1 hour at 1000ºC. The effects of ion implantation and annealing temperature and on the CL signals were researched with the data obtained. The CL spectrum of pure ZnO exhibited two emission bands at 385 nm and 550 nm. There are some changes in the emission bands in the CL spectrum that are thought to be due to the presence of Cu ions. Also it is possible to say that the annealing temperature can strongly influence CL intensity

Radioluminescence Properties of Copper- and Terbium-Implanted Strontium Titanate

WOS: 000318346400006In this study, the effects of Cu and Tb implantation on the radioluminescence (RL) properties of unimplanted and Cu- and Tb-implanted SrTiO3 (STO) crystals were investigated. The changes induced by heavy ion implants of the surface clearly modify the initial strong RL signals seen near 400750nm. During heating there are step increases in intensity at the RL spectrum near 60, 40, and 82K for unimplanted and Cu- and Tb-implanted samples, respectively