New Records of Aphidoidea from Turkey

WOS: 000272196100001Six aphid species were determined as new records for Turkey aphid fauna from far Eastern Black Sea Region of Turkey, where no studies have been carried out related with aphids. These species are Adelges cooleyi, Adelges pectinatae, Aphis impatientis, Betulaphis quadrituberculata, Periphyllus aceris and Pterocallis albidus. With these new records, the total number of aphid species in Turkey comes up to 446, The findings of the presented study and other recent studies showed that a higher number of aphid species is expected in Turkey due to particular ecological, geographical, climatic, continental position and floristic features of Turkey.Turkish Scientific Council (TUBITAK)This study is supported by the Turkish Scientific Council (TUBITAK)

Investigation of Sm -> Ca substitution in Bi(Pb)SrCaCuO high temperature superconductor by low field AC magnetic susceptibility

Yegen, Dincer/0000-0003-3180-600X; Terzioglu, Cabir/0000-0002-3944-0367WOS: 000247402300064We have investigated the effect of Sm substitution in Bi(Pb)SrCaCuO system by performing AC susceptibility (chi = chi' + i chi ''), XRD (X Ray Diffraction) and SEM (Scanning Electron Microscopy) measurements. The Sm -> Ca substitution (Bi(1.)6Pb(0.4)Sr(2)Ca(2-x)Sm(x)Cu(3)O(y)) was carried out by conventional solid-state reaction method. The susceptibility measurements were carried out at different values of the AC field amplitudes. The imaginary part of susceptibility is used to estimate the intergranular critical current density by means of the Bean's model. The intergranular critical current density (J(c)) of pure sample is found to be about 68 A/cm(2) at 95 K. The intergranular J(c) is seen to decrease with increasing Sm substitution. XRD pattern and SEM micrographs are given to provide information about Bi-2223 phase and grain size respectively

Predetermined Rollbacks: An extension to Time Warp for spatially parallel agent-based simulation

Time management is an important factor that affects the speed of parallel and distributed simulations. Conservative time management mechanisms advance simulation time after synchronization of logical processes, whereas optimistic time management mechanisms loosen synchronization among processes to speed up simulation. Because of loosened synchronization, the optimistic approaches are vulnerable to causality faults that must be addressed by logical processes during run-time. Repairing a simulation, by means of a rollback mechanism, is one of the most time-consuming processes of optimistic approaches. In this paper, we propose a method that considers precautionary measures against possible future rollbacks for Time Warp mechanism due to Jefferson. Our proposed method, named Predetermined Rollbacks, uses a modified simulation engine that can detect and avoid unnecessary rollbacks. Our experiments demonstrate that the proposed method can significantly improve the speedup of Time Warp in agent-based simulations, where agents communicate in a shared environment

Adrenal insidentalomalarda cerrahi yaklaşim: On üç olgu sunumu ve literatür derlemesi]

Objective: The rate of adrenal incidentalomas detected in routine diagnostic imaging techniques is approximately 4-7%. Although the lesions are generally benign, carcinoma and functional adenomas can be diagnosed with careful clinic and laboratory evaluation. Material and Methods: Data of 13 patients who underwent surgery for an adrenal mass between January 2010-June 2014 were analyzed retrospectively. Results: Seven (54%) patients were male, 6 (46%) were female, and the mean age was 38.2. The clinical diagnosis was pheochromacytoma in 5 patients (38.4%), non-functional adenoma in 5 (38.4), and metastatic lesion, Cushing syndrome, and adrenal carcinoma each in one patient (7.6%). Conventional open adrenalectomy was performed in 8 patients, while 5 patients underwent laparoscopic adrenalectomy. Conclusion: Adrenal incidentalomas should be carefully evaluated for hormonal activity even if asymptomatic, and non-functional lesions should be considered as suspicious-for-malignancy. Laparoscopic adrenalectomy has become the gold standard for patients with a mass less than 6 cm, and without infiltration to adjacent organs

Seamless Monolithic Design for Foam Based, Flexible, Parallel Plate Capacitive Sensors

Capacitive pressure sensors received significant attention in line with advancements in wearable electronics. However, in the era of the wearable electronics, fabricated sensors fail to fulfill the absolute requirements. Significant portion of the previously reported capacitive pressure sensors suffer from excessive weight, lack of air permeability, and washing stability due to the use of separate electrode layers. A low-cost, lightweight, parallel plate capacitive sensor with a unique seamless monolithic design that allows sensors to circumvent aforementioned problems is hereby demonstrated. The seamless monolithic capacitive sensor (MCS) with a density of as low as 10.78 mg cm(-3) is fabricated using 3D masking technique on a commercially available melamine foam with silver nanowire electrodes and a protective thin layer of polydimethylsiloxane coating. In addition to its unique design, the MCSs show high sensitivity (up to 1.285 kPa(-1)), fast response/recovery time (18 ms/53 ms), very low-pressure sensing ability (0.5 Pa) with ultra-high mechanical (42 000 cycles), and washing stabilities (10 cycles) along with high air permeability. Moreover, finite element analysis simulations are conducted to reveal the deformation mechanism differences between the monolithic and classical design. Finally, in order to demonstrate their true potential, fabricated MCSs are utilized in real-time body motion monitoring, word and proximity detection

The comparison of CT fistulography and MR imaging of perianal fistulae with surgical findings: a case-control study

WOS: 000381113400006PubMed ID: 27034072Purpose: The purpose of this study was to evaluate the diagnostic efficacies of CT fistulography and MRI, in the diagnostic work-up of perianal fistula patients. Materials and methods: All 41 patients who were included in the study (36 males and 5 females, with an average age of 41 years) underwent CT fistulography and MRI examinations prior to surgery. The fistula characteristics obtained from these examinations were compared with the surgical findings. The comparative results were evaluated by means of the Kappa analysis method. Results: CT fistulography predicted the correct perianal fistula classification in 30 (73.1%) of the 41 patients, whereas MRI correctly defined fistula classification in 38 (92.7%) of these patients (the K values were 0.621 and 0.896, respectively; with p < 0.001). CT fistulography depicted 29 secondary extensions in 16 patients, whereas MR imaging revealed 28 secondary extensions in 15 patients. A substantial agreement was found between surgical findings and two modalities (K value was 0.789 and 0.793 for CT fistulography and MRI, respectively, with a p value < 0.001). In terms of locations of internal openings, CT fistulography was able to detect the locations in 28 patients (68.2%), whereas MRI was more successful in this aspect, with a number of 35 patients (85.3%). Granulation tissues, inflammation and edema around the fistula, abscesses, and fistular wall fibrosis were also evaluated. Conclusion: CT fistulography and MRI have different advantages in the diagnosis of perianal fistulas. A good command of knowledge concerning the issue may be a key factor in modality decision

Multifunctional and Physically Transient Supercapacitors, Triboelectric Nanogenerators, and Capacitive Sensors

Electronic waste (e-waste) grows in parallel with the increasing need for consumer electronics. This, unfortunately, is leading to pollution and massive ecological problems worldwide. A solution to this problem is the use of transient electronics. While transiency of a few components such as transistors and batteries have been proposed already, it is crucial to have all components in electronic devices to be transient. Therefore, the transiency of more electronic components should be demonstrated to alleviate the e-waste problem. Herein, multifunctional nanocomposite electrodes are fabricated using poly(vinyl alcohol), carbon black, and activated carbon. These simple electrodes are then used to fabricate physically transient supercapacitors, triboelectric nanogenerators, and capacitive sensors. Transient supercapacitors are used numerous times with excellent supercapacitive behavior before being discarded, which show promise as an energy storage component for transient systems. The fabricated transient triboelectric nanogenerators are used to harvest mechanical energy, eliminated the need for an external power supply, paving the way to self-powered devices, such as a touchpad as demonstrated herein. The fabricated transient capacitive sensors, on the other hand, have shown long linear sensitivities and offered waste-free monitoring of physiological signals and body motions

Periodontal ligament cell behavior on different titanium surfaces

Aim. The purpose of this study was to investigate proliferation, morphology, mineralization and mRNA expressions of mineralized tissue associated proteins of PDL cells on smooth (S), sandblasted small-grit (SSG), sandblasted large-grit (SLG) and sodium titanate (NaTi) coated titanium alloys, in vitro. Methods and materials: PDL cells were cultured with DMEM media containing 10% FBS on the S, SSG, SLG and NaTi titanium surfaces. PDL cell proliferation, mineralization and immunohistochemistry experiments for Bone Sialoprotein (BSP) were performed. The morphology of the PDL cells was examined using confocal and scanning electron microscopy (SEM). Gene expression profiles of cells were evaluated using a quantitative-polymerase chain reaction (Q-PCR) for type I collagen (COL I), Osteocalcin (OCN), osteopontin (OPN) and Runt-related transcription factor-2 (Runx2) on days 7 and 14. Results. Proliferation results on days 6 and 10 were similar in groups, while those of day 13 revealed a decrease in the NaTi group when compared to the S group. NaTi surface induced BSP mRNA expression which was correlated with mineralization tests and BSP immunostaining results. Increased Runx2 mRNA expression was also noted in the NaTi surface when compared to other surfaces. Conclusions. This study considers the NaTi surface as a potential alternative to SSG and SLG surfaces. This surface might provide a promising environment for PDL ligament-anchored implants