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https://www.readbyqxmd.com/read/28821552/differences-in-temperature-and-water-chemistry-shape-distinct-diversity-patterns-in-thermophilic-microbial-communities
#1
Cecilia M Chiriac, Edina Szekeres, Knut Rudi, Andreea Baricz, Adriana Hegedus, Nicolae Dragoş, Cristian Coman
This study presents the biodiversity and ecology of microbial mats developed in thermal gradients (20-65 °C) in the surroundings of three drillings (CH, CI, MB) tapping a hyperthermal aquifer from Romania. Using a metabarcoding approach, 16S rRNA genes were sequenced from both DNA and RNA transcripts (cDNA) and compared. The relationships between the microbial diversity and the physico-chemical factors were explored. Additionally, the cDNA data was used for in silico functionality predictions, bringing new insights into the functional potential and dynamics of these communities...
August 18, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28812384/identification-of-risk-factors-associated-with-postoperative-acute-kidney-injury-after-cytoreductive-surgery-with-hyperthermic-intraperitoneal-chemotherapy-a-retrospective-study
#2
Juan P Cata, Acsa M Zavala, Antoinette Van Meter, Uduak U Williams, Jose Soliz, Mike Hernandez, Pascal Owusu-Agyemang
BACKGROUND: Acute kidney injury (AKI) is a postoperative complication associated with significant morbidity and mortality. The incidence and risks factors for AKI after cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (CRS-HIPEC) have not been fully studied. The purpose of this study was to identify perioperative risk factors predictive of AKI after CRS-HIPEC. METHODS: This retrospective study collected demographic, tumor-related, intraoperative and postoperative data from 475 patients who underwent CRS-HIPECs...
August 16, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28812240/cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy-for-pseudomyxoma-peritonei-and-appendix-tumours-in-elderly-patients-is-it-justified
#3
V López-López, P A Cascales-Campos, E Gil, J Arevalo, A Gonzalez, J Gil, F C Muñoz-Casares, J T Melero, P Barrios, R Morales, I Ramos, G Ortega, B Camps, L González-Bayón, P Bretcha-Boix, J Farré-Alegre, S González-Moreno, P Parrilla
BACKGROUND: Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC) for pseudomyxoma peritonei and appendix tumours are widespread in the world. It is unclear what should be the attitude in elderly patients. METHODS: This retrospective multicenter study collected the database from ten Spanish centers from Spanish Group of Peritoneal Cancer Surgery. The study period was between November 2002 and March 2014. Seventeen patients with age greater than or equal to 75 years with peritoneal carcinomatosis from pseudomyxoma peritonei and appendix tumours met the selection criteria for the study...
August 10, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28810883/treatment-of-localized-gastric-and-gastroesophageal-adenocarcinoma-the-role-of-accurate-staging-and-preoperative-therapy
#4
REVIEW
Brian Badgwell, Prajnan Das, Jaffer Ajani
Gastric cancer is the third most common cause of cancer death worldwide, although it is not in the top 10 causes of cancer death in Northern America. Due to clear differences in incidence, screening, risk factors, tumor biology, and treatment between gastric cancers from Eastern and Western countries, our treatment is primarily guided by trials from Western countries. Patients undergo an extensive staging evaluation including high-quality CT imaging, endoscopic ultrasound, and diagnostic laparoscopy with peritoneal washings for cytology...
August 15, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28808875/ssat-state-of-the-art-conference-current-surgical-management-of-gastric-tumors
#5
Jeffrey A Norton, Teresa Kim, Joseph Kim, Martin D McCarter, Kaitlyn J Kelly, Joyce Wong, Jason K Sicklick
INTRODUCTION: The current era of gastric surgery is marked by low morbidity and mortality rates, innovative strategies to approach resections with a minimally invasive fashion or hyperthermic intraperitoneal chemotherapy (HIPEC), as well as improved understanding of the biology of sporadic and hereditary stromal, neuroendocrine, and epithelial malignancies. METHODS: In 2017, the Society for Surgery of the Alimentary Tract convened a State-of-the-Art Conference on Current Surgical Management of Gastric Tumors with both international experts and emerging leaders in the field of gastric surgery...
August 14, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28807243/is-hyperthermic-intraperitoneal-chemotherapy-hipec-safe-for-healthcare-workers
#6
REVIEW
Simon Rodier, Guillaume Saint-Lorant, Jean-Marc Guilloit, Agnès Palix, Fabienne Divanon, François Sichel, Raphaël Delépée
BACKGROUND: During hyperthermic intraperitoneal chemotherapy (HIPEC), caregivers are exposed by different routes to cytotoxic drugs. This review proposes an overview of the safety of HIPEC by assessing existing data on protection procedures, biological and non-biological samples. Based on these data, relevant good practices, eventual irrelevant overprotection procedures and missing data to implement adapted protections are highlighted. MATERIALS AND METHODS: Data were extracted from a systematic review of literature from 1980 till 2016: number and type of surgical procedure, healthcare professionals present, protective equipment, samples, pre-analytical method and analytical method...
September 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28807061/the-incidence-of-hyperthermia-during-cochlear-implant-surgery-in-children
#7
A Schwartz, D Kaplan, V Rosenzweig, M Klein, B F Gruenbaum, S E Gruenbaum, M Boyko, A Zlotnik, E Brotfain
BACKGROUND: Inadvertent hyperthermia during anaesthesia is a rare but life-threatening complication. We have encountered several cases of severe hyperthermia in paediatric patients undergoing anaesthesia for cochlear implantation. METHODS: This study aimed to describe the clinical characteristics of children who developed hyperthermia while undergoing cochlear implantation, and to explore possible mechanisms and predisposing factors. The anaesthetic charts of all patients aged under 18 years who underwent cochlear implantation, or mastoid or ophthalmic surgery, between 1 January 2006 and 31 December 2009, at Soroka Medical Center in Beer Sheva, Israel, were reviewed...
August 15, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28802661/efficacy-of-isolated-limb-perfusion-ilp-in-patients-with-merkel-cell-carcinoma-mcc-a-multicenter-experience
#8
L M van Veenendaal, M F Madu, M E T Tesselaar, C Verhoef, D J Grünhagen, A C J van Akkooi
BACKGROUND: Merkel cell carcinoma (MCC) is a rare and potentially aggressive neuroendocrine tumor of the skin, with a propensity for locoregional metastases. In two expert referral centers, isolated limb perfusion (ILP) is used to obtain locoregional control in selected locoregionally advanced MCC patients. This study describes our experience. METHOD: Patients who underwent ILP for MCC were analyzed. ILP was performed with melphalan and tumor necrosis factor (TNF) combination therapy...
August 3, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28799004/phase-ii-trial-of-laparoscopic-hyperthermic-intraperitoneal-chemoperfusion-for-peritoneal-carcinomatosis-or-positive-peritoneal-cytology-in-patients-with-gastric-adenocarcinoma
#9
Brian Badgwell, Mariela Blum, Prajnan Das, Jeannelyn Estrella, Xuemei Wang, Linus Ho, Keith Fournier, Richard Royal, Paul Mansfield, Jaffer Ajani
PURPOSE: The aim of this phase II study was to perform neoadjuvant hyperthermic intraperitoneal chemoperfusion (HIPEC) via a minimally invasive approach without cytoreduction for patients with gastric cancer and positive peritoneal cytology or low-volume peritoneal carcinomatosis. METHODS: Patients with gastric or gastroesophageal adenocarcinoma and positive peritoneal cytology or radiologically occult peritoneal carcinomatosis after systemic chemotherapy received laparoscopic HIPEC with mitomycin C 30 mg and cisplatin 200 mg...
August 10, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28797997/hepatocellular-carcinoma-peritoneal-metastasis-role-of-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy-hipec
#10
John Spiliotis, Georgios Nikolaou, Nikolaos Kopanakis, Dimitra Vassiliadou, Alexios Terra, Elias Efstathiou
INTRODUCTION: Peritoneal dissemination of hepatocellular carcinoma (HCC) is a rare presentation with an incidence of 2-6%. The most common cause of peritoneal deposits is a ruptured HCC that results in tumor spillage into the peritoneal cavity. The overall incidence of spontaneous ruptures of HCC ranges from 5 to 15% and carries a high mortality rate of up to 50%. Other factors influencing peritoneal dissemination are the lymph node metastasis and the direct diaphragmatic invasion and there is no significant association with past history of FNAB, or percutaneous RFA or ethanol injection and lung or adrenal metastasis...
May 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28797634/ecological-distribution-of-extremely-thermophilic-bacteria-belonging-to-the-genus-calditerricola-using-the-novel-enrichment-mpn-pcr-method
#11
Kathrina Mae Bienes, Minoru Ito, Kota Shiotsuka, Sachi Yamaguchi, Taiki Fujioka, Yukihiro Tashiro, Kenji Sakai
A unique compost called Satsuma soil is produced from sewage sludge by a hyperthermal composting process in Kagoshima City, Japan. The composting process is carried out at a controlled temperature of at least 80°C and the resulting compost might be useful for recycling sustainable agricultural products. The extremely thermophilic bacterial genus Calditerricola was initially isolated from the high-temperature compost. Likewise, the bacteria were previously isolated from material sludge. It is believed that bacteria in this genus might be involved in the hyperthermal composting process...
August 7, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28792755/the-dynamics-and-kinetics-of-water-interactions-with-a-condensed-nopinone-surface
#12
Sofia M Johansson, Xiangrui Kong, Erik S Thomson, Mattias Hallquist, Jan B C Pettersson
Water and organic molecules are omnipresent in the environment and their interactions are of central importance in many Earth system processes. Here we investigate molecular-level interactions between water and a nopinone surface using an environmental molecular beam (EMB) technique. Nopinone is a major reaction product formed during oxidation of β-pinene, a prominent compound emitted by coniferous trees, which has been found in both the gas and particle phases of atmospheric aerosol. The EMB method enables detailed studies of the dynamics and kinetics of D2O molecules interacting with a solid nopinone surface at 202 K...
August 9, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28790930/it-takes-time-to-be-cool-on-the-relationship-between-hyperthermia-and-body-cooling-in-a-migrating-seaduck
#13
Magella Guillemette, Elias T Polymeropoulos, Steven J Portugal, David Pelletier
The large amount of energy expended during flapping flight is associated with heat generated through the increased work of the flight muscles. This increased muscle work rate can manifest itself in core body temperature (Tb) increase of 1-2°C in birds during flight. Therefore, episodic body cooling may be mandatory in migratory birds. To elucidate the thermoregulatory strategy of a short-distance migrant, common eiders (Somateria mollissima), we implanted data loggers in the body cavity of wild birds for 1 year, and report information on Tb during their entire migration for 19 individuals...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28789539/angle-resolved-molecular-beam-scattering-of-no-at-the-gas-liquid-interface
#14
Amelia Zutz, David J Nesbitt
This study presents first results on angle-resolved, inelastic collision dynamics of thermal and hyperthermal molecular beams of NO at gas-liquid interfaces. Specifically, a collimated incident beam of supersonically cooled NO ((2)Π1/2, J = 0.5) is directed toward a series of low vapor pressure liquid surfaces ([bmim][Tf2N], squalane, and PFPE) at θinc = 45(1)°, with the scattered molecules detected with quantum state resolution over a series of final angles (θs = -60°, -30°, 0°, 30°, 45°, and 60°) via spatially filtered laser induced fluorescence...
August 7, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28774753/aerobic-scope-in-chicken-embryos
#15
Satoko T Ide, Ryoji Ide, Jacopo P Mortola
We investigated the aerobic scope of chicken embryos, that is, the margin of increase of oxygen consumption ( [Formula: see text] ) above its normal value. [Formula: see text] was measured by an open-flow methodology at embryonic ages E3, E7, E11, E15, E19 and at E20 at the internal (IP) and external pipping (EP) phases, at the normal incubation temperature (Ta=38°C), in hypothermia (Ta=30°C) and in hyperthermia (Ta=41 and 44°C). In the cold, Q10 averaged ~2 at all ages, except in IP and EP when lower values (~1...
July 31, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28773052/ion-beam-assisted-deposition-of-thin-epitaxial-gan-films
#16
Bernd Rauschenbach, Andriy Lotnyk, Lena Neumann, David Poppitz, Jürgen W Gerlach
The assistance of thin film deposition with low-energy ion bombardment influences their final properties significantly. Especially, the application of so-called hyperthermal ions (energy <100 eV) is capable to modify the characteristics of the growing film without generating a large number of irradiation induced defects. The nitrogen ion beam assisted molecular beam epitaxy (ion energy <25 eV) is used to deposit GaN thin films on (0001)-oriented 6H-SiC substrates at 700 °C. The films are studied in situ by reflection high energy electron diffraction, ex situ by X-ray diffraction, scanning tunnelling microscopy, and high-resolution transmission electron microscopy...
June 23, 2017: Materials
https://www.readbyqxmd.com/read/28770289/diagnostic-value-of-contrast-enhanced-ct-combined-with-18-fdg-pet-in-patients-selected-for-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy-hipec
#17
Antonio Sommariva, Laura Evangelista, Giovanna Pintacuda, Anna Rita Cervino, Gaetano Ramondo, Carlo Riccardo Rossi
PURPOSE: Aim of the study is to assess the reliability and correlation with surgical peritoneal cancer index (PCI) of combined PET/CT and ceCT scans (PET/ceCT) performed in a session in patients with peritoneal carcinomatosis candidates for cytoreductive surgery (CS) and hyperthermic intraperitoneal chemotherapy (HIPEC). METHODS: We retrospectively analyzed data collected from 27 patients with different types of peritoneal carcinomatosis candidates to CS + HIPEC who underwent FDG PET/ceCT in a single session...
August 2, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28758388/high-performance-and-enhanced-durability-of-thermochromic-films-using-vo2-zno-core-shell-nanoparticles
#18
Yunxiang Chen, Xianzhe Zeng, Jingting Zhu, Rong Li, Heliang Yao, Xun Cao, Shidong Ji, Ping Jin
For VO2-based thermochromic smart windows, high luminous transmittance (Tlum) and solar regulation efficiency (ΔTsol) are usually pursued as the most critical issues, which have been discussed in numerous researches. However, environmental durability, which has rarely been considered, is also so vital for practical application because it determines lifetime and cycle times of smart windows. In this paper, we report novel VO2@ZnO core-shell nanoparticles with ultrahigh durability as well as improved thermochromic performance...
August 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28755887/brain-temperature-effects-of-intravenous-heroin-state-dependency-environmental-modulation-and-the-effects-of-dose
#19
R Aaron Bola, Eugene A Kiyatkin
Here we examined how intravenous heroin at a dose that maintains self-administration (0.1 mg/kg) affects brain temperature homeostasis in freely moving rats under conditions that seek to mimic some aspects of human drug use. When administered under standard laboratory conditions (quiet rest at 22 °C ambient temperature), heroin induced moderate temperature increases (1.0-1.5 °C) in the nucleus accumbens (NAc), a critical structure of the brain motivation-reinforcement circuit. By simultaneously recording temperatures in the temporal muscle and skin, we demonstrate that the hyperthermic effects of heroin results primarily from inhibition of heat loss due to strong and prolonged skin vasoconstriction...
July 26, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28743181/feasibility-and-safety-of-hyperthermic-intraperitoneal-chemotherapy-using-5-fluorouracil-combined-with-cisplatin-and-mitomycin-c-in-patients-undergoing-gastrectomy-for-advanced-gastric-cancer
#20
Satoshi Murata, Hiroshi Yamamoto, Hiroyuki Naitoh, Tsuyoshi Yamaguchi, Sachiko Kaida, Tomoharu Shimizu, Hisanori Shiomi, Shigeyuki Naka, Tohru Tani, Masaji Tani
BACKGROUND AND OBJECTIVES: We conducted a dose-finding study for 5-fluorouracil (5-FU) administered with cisplatin (CDDP) and mitomycin C (MMC) to find an improved regimen for hyperthermic intraperitoneal chemotherapy (HIPEC) for advanced gastric cancer (GC). METHODS: The appropriate HIPEC regimen previously determined in vitro was 5-FU (200 µg/mL), MMC (2 µg/mL), and CDDP (10 µg/mL) at hyperthermic conditions (42°C) for 30 min. This was a clinical study to determine the recommended dose of 5-FU in combination with MMC and CDDP at 42°C for 30 min and to evaluate HIPEC safety in patients at high risk of developing peritoneal metastases following GC surgery...
July 25, 2017: Journal of Surgical Oncology
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