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Hui-Hsu Gavin Tsai, Jia-Cheng Hu, Chun-Jui Tan, Yung-Ching Sheng, Chih-Chiang Chiu
The loading of dye sensitizers on a semiconductor is crucial for determining the light harvesting efficiency of dye-sensitizer solar cells (DSSCs). The interfacial properties of dyes adsorbed on TiO2 film such as adsorption configurations and adsorption energy can influence the total amount of dye sensitizers that loads and the stability of a DSSC device. Therefore, it is important to characterize the adsorption properties of dye sensitizers on TiO2 film atomically and electronically to ensure rational structure-based dye design for high-performance DSSCs...
October 20, 2016: Journal of Physical Chemistry. A
Ujjal Poddar, Vibhor Borkar, Surender Kumar Yachha, Anshu Srivastava
Background and study aims: In view of the paucity of literature, we carried out this audit to evaluate the safety and efficacy of N- butyl, 2-cynoacrylate glue injection therapy in secondary prophylaxis of gastric varices in children. Patients and methods: Consecutive children (≤ 18 years) with non-cirrhotic portal hypertension who presented with bleeding from gastric varices and who had undergone cyanoacrylate glue injection therapy were included. They were evaluated for safety, efficacy and complications...
October 2016: Endoscopy International Open
Sung Jung Kim, Je Hwan Won, Young Bae Kim, Hee-Jung Wang, Bong-Wan Kim, Haeryoung Kim, Jinoo Kim
BACKGROUND: Percutaneous biopsy is a widely-accepted technique for acquiring histologic samples of the liver. When there is concern for bleeding, plugged percutaneous biopsy (PPB) may be performed, which involves embolization of the biopsy tract. PURPOSE: To evaluate the efficacy and safety of PPB of the liver in patients suspected to have graft rejection after living-donor liver transplantation (LDLT). MATERIAL AND METHODS: During January 2007 and December 2013, 51 patients who underwent PPB of the liver under the suspicion of post-LDLT graft rejection were retrospectively analyzed...
October 17, 2016: Acta Radiologica
Giovanni Mauri, Lorenzo C Pescatori, Chiara Mattiuz, Dario Poretti, Vittorio Pedicini, Fabio Melchiorre, Umberto Rossi, Luigi Solbiati, Luca Maria Sconfienza
OBJECTIVES: To present the results of our experience with cyanoacrylic glue percutaneous injection to treat post-surgical non-healing enteric fistulae after failure of standard treatments. METHODS: Eighteen patients (14 males; age range 33-84, mean 69 years) were treated for a non-healing post-surgical enteric fistula after failure of standard treatments. Under computed tomography and/or fluoroscopic guidance, a mixture of cyanoacrylic glue (Glubran 2, GEM, Viareggio, Italy) and ethiodized oil was injected at the site of the fistula...
October 17, 2016: La Radiologia Medica
Kristen Jijelava, Hongvan Le, Jack Parker, Jeffrey Yee
BACKGROUND: Ocular chemical injuries due to accidental exposure or application of cyanoacrylate, commonly known as "superglue," have increased over the past 30 years. However, current treatment options to relieve eyelid adhesions due to cyanoacrylate applications are difficult to successfully execute and can require sedation or general anesthesia. Here we describe a simple technique to release eyelid adhesions due to cyanoacrylate, or other adhesive agents, that can be successfully performed at bedside without sedation...
October 13, 2016: Journal of Emergency Medicine
Shuji Kariya, Miyuki Nakatani, Rie Yoshida, Yutaka Ueno, Atsushi Komemushi, Noboru Tanigawa
PURPOSE: This study was designed to investigate thoracic duct collateral leakage and the supply route of lymphatic fluid by lymphangiography and transcatheter thoracic ductography and to evaluate the results of embolization for thoracic duct collateral leakage performed to cut off this supply route. METHODS: Data were retrospectively collected from five patients who underwent embolization for thoracic duct collateral leakage in persistent high-output chylothorax after thoracic surgery...
October 14, 2016: Cardiovascular and Interventional Radiology
Toshinari Kawasaki, Kazumichi Yoshida, Takayuki Kikuchi, Akira Ishii, Yasushi Takagi, Susumu Miyamoto
BACKGROUND: Concerning traumatic aneurysms, those of the superficial temporal artery (STA) have been frequently reported in the literature, whereas those of the occipital artery (OA) are extremely rare. CASE DESCRIPTION: A 30-year-old man had been followed at another hospital for meningoencephalocele associated with his congenital occipital bone defect. He was admitted to our hospital with a chief complaint of neck swelling and pain during a football game. CT and MRI showed a hematoma in his right neck along with the meningoencephalocele...
October 11, 2016: World Neurosurgery
Oscar Víctor Hernández-Mondragón, Omar Michel Solórzano-Pineda, Gerardo Blanco-Velasco, Juan Manuel Blancas-Valencia
No abstract text is available yet for this article.
January 2016: Endoscopy
Deepak Kumar Mishra, Shalima Gautam, Ramesh Kawar, B C Kalmath, Kranti Rathod, B K Goyal
Coronary artery perforation (CAP) is a rare (0.43%) but scary complication of percutaneous coronary intervention with its associated morbidity and even mortality at times.It needs to be treated urgently either by percutaneous means or by open heart surgery, as the situation demands. In this report we are discussing a left anterior descending coronary (LAD) artery perforation sealed successfully using cyanoacrylate glue.
April 2016: Journal of the Association of Physicians of India
Gürhan Güngör, Gökhan Demiral, Metin Şenol, Barış Bayraktar, Yahya Çelik, Salih Bölük
INTRODUCTION: Major complications of colonic anastomosis include fistula, bleeding, and anastomotic stricture, and the most common one is anastomotic leakage. Many organic or inorganic tissue adhesives are being used such as fibrin glue or cyanoacrylate to strengthen or protect colonic anastomosis. Up to now, a great number of studies have been carried out to investigate the effects of these biomaterials. AIM: To determine the effect of cyanoacrylate application on anastomosis safety...
2016: Przegla̜d Gastroenterologiczny
Thiago César Lima, Natália Maria Vieira-Barbosa, Camila Grasielli de Sá Azevedo, Fabiana Rodrigues de Matos, Dhelfeson Willya Douglas de Oliveira, Evandro Silveira de Oliveira, Maria Letícia Ramos-Jorge, Patricia Furtado Gonçalves, Olga Dumont Flecha
BACKGROUND: The aim of this longitudinal study was to verify changes in patients' oral health related quality of life 180 days after the treatment of dentin hypersensitivity with laser and cyanoacrylate. METHODS: This clinical, controlled, randomized, double-blind trial used a split-mouth design, and quadrants were randomized to receive either laser or cyanoacrylate treatments. All patients received both treatments. The study included 62 patients from 12-60 years of age (mean: 31...
October 7, 2016: Journal of Periodontology
Mar Fernández-Gutiérrez, Marta Rodriguez-Mancheño, Bárbara Pérez-Köhler, Gemma Pascual, Juan Manuel Bellón, Julio San Román
The article deals with a comparative analysis of the parameters of the polymerization in physiological conditions of three commercially available alkyl cyanoacrylates, n-butyl cyanoacrylate (GLUBRAN 2), n-hexyl cyanoacrylate (IFABOND), and n-octyl cyanoacrylate (EVOBOND), the cell behavior of the corresponding polymers and the application of these adhesives in the fixation of surgical polypropylene meshes for hernia repair in an animal model of rabbits. The results obtained demonstrate that the curing process depends on the nature of the alkyl residue of the ester group of cyanoacrylate molecules, being the heat of polymerization lower for the octyl derivative in comparison with the hexyl and butyl, and reaching a maximum temperature of 35 °C after a time of mixing with physiological fluids of 60-70 s...
October 5, 2016: Macromolecular Bioscience
Patricia McAllister, Eleanor Graham, Paul Deacon, Kevin J Farrugia
There appears to be a limited but growing body of research on the sequential analysis/treatment of multiple types of evidence. The development of an integrated forensic approach is necessary to maximise evidence recovery and to ensure that a particular treatment is not detrimental to other types of evidence. This study aims to assess the effect of latent and blood mark enhancement techniques (e.g. fluorescence, ninhydrin, acid violet 17, black iron-oxide powder suspension) on the subsequent detection of saliva...
September 2016: Science & Justice: Journal of the Forensic Science Society
Zhaofei Chai, Sushu Wan, Cheng Zhong, Ting Xu, Manman Fang, Jinfeng Wang, Yujun Xie, Yu Zhang, Anyi Mei, Hongwei Han, Qian Peng, Qianqian Li, Zhen Li
Acceptors in traditional dyes are generally designed closed to TiO2 substrate to form a strong electronic coupling with each other (e.g. cyanoacrylic acid), in order to enhance the electron injection for the high performance of the corresponding solar cells. But, some newly developed dyes with chromophores or main acceptors isolated from anchoring groups also exhibit comparable or even higher performances. To investigate the relatively untouched electronic coupling effect in dye-sensitized solar cells, a relatively precise method is proposed, in which the strength is adjusted gradually by changing isolation spacers between main acceptors and anchoring groups to partially control the electronic interaction...
October 4, 2016: ACS Applied Materials & Interfaces
Luis Lizardo-Sanchez, James Burdick, James F Trotter
Gastric variceal bleeding is associated with significant morbidity and mortality in patients with portal hypertension and cirrhosis. Options are limited for patients who are not candidates for transjugular intrahepatic portosystemic shunts (TIPS). Cyanoacrylate injections have been reported to be efficacious in previous case series. The aim of this retrospective study was to report our single-center experience with the safety and efficacy of 2-octyl-cyanoacrylate in patients who were not TIPS candidates. Electronic medical records were reviewed for 16 patients who underwent a total of 18 esophagogastroduodenoscopies for acute gastric or duodenal variceal bleeding and secondary prophylaxis of gastric varices; 14 patients had cirrhosis with an average Model for End-Stage Liver Disease score of 16, and 2 patients had noncirrhotic portal hypertension...
October 2016: Proceedings of the Baylor University Medical Center
Jussi Sarin, Markus Hiltunen, Leena Hupa, Jaakko Pulkkinen, Pekka K Vallittu
Bioactive glass (BG)-containing fiber-reinforced composite implants, typically screw-retained, have started to be used clinically. In this study, we tested the mechanical strength of composites formed by a potential implant adhesive of n-butyl-2-cyanoacrylate glue and BG S53P4 particles. Water immersion for 3, 10 or 30 days had no adverse effect on the compression strength. When cyanoacrylate glue-BG-composites were subjected to simulated body fluid immersion, the average pH rose to 7.52 (SD 0.066) from the original value of 7...
September 28, 2016: Bio-medical Materials and Engineering
Rania Assem El Essawy, Sameh Hassan Abdelbaky
PURPOSE: To report the results of a simple outpatient method for soft tissue socket expansion in young children with congenital anophthalmos. METHODS: Seventeen congenital anophthalmic sockets of 15 infants of a mean age of 4.2±4.4 months were fitted with specially designed serial solid acrylic shapes or hydrogel expanders using cyanoacrylate for eyelids closure when using the latter. RESULTS: At the age of 2 years, the mean horizontal eyelid length increased from a mean of 11...
2016: Clinical Ophthalmology
Chun-Yuan Lo, Dhirendra Kumar, Shu-Hua Chou, Chih-Han Chen, Chih-Hung Tsai, Shih-Hung Liu, Pi-Tai Chou, Ken-Tsung Wong
Two new organic dyes-BPDTA and BTTA-possessing dual D-π-A units have been synthesized, characterized, and employed as efficient sensitizers for dye-sensitized solar cells. The two individual D-π-A, which are based on (E)-3-(5'-(4-(bis(4-(hexyloxy)phenyl)amino)phenyl)-[2,2'-bithiophen]-5-yl)-2-cyanoacrylic acid unit (D21L6), are connected directly between phenylene or thiophene within linear π-conjugated backbone to constitute a highly twisted architecture for suppressing the dye aggregation. The new dianchoring dyes exhibited pronounced absorption profile with higher molar extinction coefficient, which is consistent with the results obtained from density functional theory (DFT) calculations...
October 5, 2016: ACS Applied Materials & Interfaces
Sean Woolen, Joseph J Gemmete
This report presents 4 patients (mean age, 22 y; range, 17-26 y) with facial arteriovenous malformations (AVMs) who underwent arterial ethanol and N-butyl cyanoacrylate embolization followed by percutaneous cryoablation of residual inaccessible AVMs. After the procedure, minor complications classified as type B according to the Society of Interventional Radiology (SIR) classification system occurred in 75% (3/4) of patients. One patient achieved 90% obliteration of AVM, and 3 patients had complete obliteration of AVM at 1-year follow-up...
October 2016: Journal of Vascular and Interventional Radiology: JVIR
Seiichiro Kojima, Hiroyuki Ito, Shinji Takashimizu, Hitoshi Ichikawa, Tomohiro Matsumoto, Terumitsu Hasebe, Norihito Watanabe
A 64-year-old woman treated for anemia and ascites exhibited hepatic encephalopathy. Abdominal ultrasonography and computed tomography (CT) showed communication between the portal vein and the middle hepatic vein, indicating an intrahepatic portosystemic venous shunt (PSS). Since hepatic encephalopathy of the patient was resistant to medical treatment, interventional radiology was performed for the treatment of shunt obliteration. Hepatic venography showed anastomosis between the hepatic vein branches, supporting the diagnosis of idiopathic portal hypertension (IPH)...
September 2016: Acta Radiologica Open
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