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https://www.readbyqxmd.com/read/28330198/pretreatment-and-enzymatic-process-modification-strategies-to-improve-efficiency-of-sugar-production-from-sugarcane-bagasse
#1
Siddhartha Pal, Shereena Joy, Kalpana D Trimukhe, Pramod S Kumbhar, Anjani J Varma, Sasisanker Padmanabhan
Pretreatment and enzymatic hydrolysis play a critical role in the economic production of sugars and fuels from lignocellulosic biomass. In this study, we evaluated diverse pilot-scale pretreatments and different post-pretreatment strategies for the production of fermentable sugars from sugarcane bagasse. For the pretreatment of bagasse at pilot-scale level, steam explosion without catalyst and combination of sulfuric and oxalic acids at low and high loadings were used. Subsequently, to enhance the efficiency of enzymatic hydrolysis of the pretreated bagasse, three different post-pretreatment process schemes were investigated...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330153/an-evaluation-of-the-major-factors-influencing-the-removal-of-copper-ions-using-the-egg-shell-dromaius-novaehollandiae-chitosan-agaricus-bisporus-composite
#2
R K Anantha, S Kota
Rapid industrialisation, technological development, urbanization and increase in population in the recent past coupled with unplanned and unscientific disposal methods led to increased heavy metal levels in water. Realizing the need for development of eco-friendly and cost effective methods, the present investigation was done for the adsorptive removal of copper from aqueous solutions with Dromaius novaehollandiae eggshell and chitosan composite. By one variable at a time method, the optimum contact time was found to be 60 min with an adsorbent dosage of 8 g/L at pH 6, initial adsorbate concentration of 20 mg/L and temperature 30 °C...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329750/optoelectronic-plethysmography-in-clinical-practice-and-research-a-review
#3
Carlo Massaroni, Elena Carraro, Andrea Vianello, Sandra Miccinilli, Michelangelo Morrone, Irisz K Levai, Emiliano Schena, Paola Saccomandi, Silvia Sterzi, John W Dickinson, Samantha Winter, Sergio Silvestri
BACKGROUND: Optoelectronic plethysmography (OEP) is a non-invasive motion capture method to measure chest wall movements and estimate lung volumes. OBJECTIVES: To provide an overview of the clinical findings and research applications of OEP in the assessment of breathing mechanics across populations of healthy and diseased individuals. METHODS: A bibliographic research was performed with the terms "opto-electronic plethysmography," "optoelectronic plethysmography," and "optoelectronic plethysmograph" in 50 digital library and bibliographic search databases resulting in the selection of 170 studies...
March 23, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28329567/acquired-acrodermatitis-enteropathica-after-gastric-bypass-surgery-responsive-to-iv-supplementation
#4
Jasmine Rana, Molly Plovanich, Elizabeth B Wallace, Chao Yang, Alvaro Laga Canales, Arash Mostaghimi
Nutritional deficiency is rare in developed countries, but can be acquired from decreased nutrient intake, reduced absorption, and increased gastrointestinal excretion. We report a patient with acquired acrodermatitis enteropathica (AE) who exhibited low plasma zinc levels and concurrent nutritional deficiencies (pyridoxine, selenium and fatty acids). Our patient had undergone Roux-en-Y gastric bypass 13 years prior to presentation. The rash, consistent with AE clinically and histologically, nearly resolved one week after starting IV zinc supplementation, total parenteral nutrition, and micronutrient supplements...
November 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329436/prospective-evaluation-of-a-week-one-overnight-metyrapone-test-with-subsequent-dynamic-assessments-of-hypothalamic-pituitary-adrenal-axis-function-after-pituitary-surgery
#5
Katherine English, Warrick J Inder, Zara Weedon, Goce Dimeski, Jane Sorbello, Anthony W Russell, Emma L Duncan, Ross Cuneo
OBJECTIVE: To determine if an overnight metyrapone test (OMT) within the first week post pituitary surgery can definitively assess the hypothalamic-pituitary-adrenal (HPA) axis, compared with subsequent dynamic tests and glucocorticoid requirement at 6 months. DESIGN: Prospective study measuring morning cortisol levels on day 3 and 4 post-operatively, OMT day 5-7 and week 6, 250μg short Synacthen test (SST) week 6 and insulin tolerance test (ITT) week 7. PATIENTS AND MEASUREMENTS: Forty participants who underwent pituitary surgery at a single centre (Cushing's disease excluded) and were followed for at least 6 months...
March 22, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28329333/pre-and-postoperative-tricuspid-regurgitation-in-patients-with-severe-symptomatic-aortic-stenosis-importance-of-pre-operative-tricuspid-annulus-diameter
#6
Claire Dumont, Elena Galli, Emmanuel Oger, Maxime Fournet, Erwan Flecher, Christophe Leclercq, Jean-Philippe Verhoye, Erwan Donal
Aims: Secondary tricuspid regurgitation (STR) is commonly found in patients with aortic stenosis and is associated with increased morbidity. The study sought to evaluate the prevalence of pre-operative STR and its progression after surgical aortic valve replacement (SAVR) or transcatheter aortic valve implantation (TAVI). Also, it sought to analyse the predictors of post-operative changes in STR. Methods and results: We prospectively evaluated 116 patients (aged 75...
March 7, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28329231/cardiac-protective-effects-of-remote-ischaemic-preconditioning-in-children-undergoing-tetralogy-of-fallot-repair-surgery-a-randomized-controlled-trial
#7
Qingping Wu, Tingting Wang, Shiqiang Chen, Quanjun Zhou, Haobo Li, Na Hu, Yinglu Feng, Nianguo Dong, Shanglong Yao, Zhengyuan Xia
Aims: Remote ischaemic preconditioning (RIPC) by inducing brief ischaemia in distant tissues protects the heart against myocardial ischaemia-reperfusion injury (IRI) in children undergoing open-heart surgery, although its effectiveness in adults with comorbidities is controversial. The effectiveness and mechanism of RIPC with respect to myocardial IRI in children with tetralogy of Fallot (ToF), a severe cyanotic congenital cardiac disease, undergoing open heart surgery are unclear. We hypothesized that RIPC can confer cardioprotection in children undergoing ToF repair surgery...
February 18, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28329178/intraoperative-coronary-revision-but-not-coronary-pattern-is-associated-with-mortality-after-arterial-switch-operation%C3%A2
#8
Matteo Trezzi, Angelo Polito, Antonio Albano, Sonia B Albanese, Enrico Cetrano, Adriano Carotti
OBJECTIVES: We sought to determine differences in baseline characteristics and clinical outcomes in a consecutive series of patients undergoing arterial switch operation (ASO), assessing the effect of coronary anatomy on postoperative mortality, both overall and adjusted for surgical era. METHODS: From January 2000 to May 2015, 283 consecutive patients underwent ASO for transposition of the great arteries. A total of 103 patients (36.4%) had an associated ventricular septal defect and 23 (8...
March 18, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28329016/accuracy-and-reliability-of-cetacean-cranial-measurements-using-computed-tomography-three-dimensional-volume-rendered-images
#9
Adams Hei Long Yuen, Henry Chun Lok Tsui, Brian Chin Wing Kot
Computed tomography (CT) has become more readily available for post-mortem examination, offering an alternative to cetacean cranial measurements obtained manually. Measurement error may result in possible variation in cranial morphometric analysis. This study aimed to evaluate the accuracy and reliability of cetacean cranial measurements obtained by CT three-dimensional volume rendered images (3DVRI). CT scans of 9 stranded cetaceans were performed. The acquired images were reconstructed using bone reconstruction algorithms...
2017: PloS One
https://www.readbyqxmd.com/read/28327582/real-time-sentinel-lymph-node-biopsy-guidance-using-combined-ultrasound-photoacoustic-fluorescence-imaging-in-vivo-proof-of-principle-and-validation-with-nodal-obstruction
#10
Jeeun Kang, Jin Ho Chang, Sun Mi Kim, Hak Jong Lee, Haemin Kim, Brian C Wilson, Tai-Kyong Song
Precise sentinel lymph node (SLN) identification is crucial not only for accurate diagnosis of micro-metastases at an early stage of cancer progression but also for reducing the number of SLN biopsies (SLNB) to minimize their severe side effects. Furthermore, it is desirable that an SLNB guidance should be as safe as possible in routine clinical use. Although there are currently various SLNB guidance methods for pre-operative or intra-operative assessment, none are ideal. We propose a real-time SLNB guidance method using contrast-enhanced tri-modal images (i...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28327538/error-analysis-and-calibration-method-of-a-multiple-field-of-view-navigation-system
#11
Shuai Shi, Kaichun Zhao, Zheng You, Chenguang Ouyang, Yongkui Cao, Zhenzhou Wang
The Multiple Field-of-view Navigation System (MFNS) is a spacecraft subsystem built to realize the autonomous navigation of the Spacecraft Inside Tiangong Space Station. This paper introduces the basics of the MFNS, including its architecture, mathematical model and analysis, and numerical simulation of system errors. According to the performance requirement of the MFNS, the calibration of both intrinsic and extrinsic parameters of the system is assumed to be essential and pivotal. Hence, a novel method based on the geometrical constraints in object space, called checkerboard-fixed post-processing calibration (CPC), is proposed to solve the problem of simultaneously obtaining the intrinsic parameters of the cameras integrated in the MFNS and the transformation between the MFNS coordinate and the cameras' coordinates...
March 22, 2017: Sensors
https://www.readbyqxmd.com/read/28327419/concomitant-unilateral-post-traumatic-leg-and-foot-compartment-syndrome-in-a-5-years-old-child-case-report
#12
Aissam Elmhiregh, Adel El Feghih, Khaled Faraj
BACKGROUND: Compartment syndrome is one of the most serious orthopedic emergencies [4]. It is usually anticipated and looked at in every single orthopedic case. Early recognition and management of those cases are quite important in order to avoid the devastating consequences of such condition. CASE SUMMARY: This is a case report of a 5 years old child with concomitant unilateral leg and foot compartment syndrome after a roll over trauma. The patient was presented with significant leg and foot swelling, severe pain and absent distal pulses...
February 27, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28327119/evaluation-of-short-term-outcomes-of-laparoscopic-assisted-surgery-for-colorectal-cancer-in-elderly-patients-aged-over-75-years-old-a-multi-institutional-study-ysurg1401
#13
Keisuke Kazama, Toru Aoyama, Tsutomu Hayashi, Takanobu Yamada, Masakatsu Numata, Shinya Amano, Mariko Kamiya, Tsutomu Sato, Takaki Yoshikawa, Manabu Shiozawa, Takashi Oshima, Norio Yukawa, Yasushi Rino, Munetaka Masuda
BACKGROUND: The short-term outcomes of laparoscopic-assisted surgery for colorectal cancer (LAC) have not been fully evaluated in elderly patients. The aim of this study was to compare the short term surgical outcomes of LAC between the patients older than 75 years and those with non-elderly patients. METHODS: This retrospective multi-institutional study selected patients who underwent LAC between April 2013 and March 2014 at Yokohama City University Hospital and its related general hospitals...
March 21, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28327076/myocardial-protection-during-minimally-invasive-cardiac-surgery-through-right-mini-thoracotomy
#14
Micaela De Palo, Pietro Guida, Florinda Mastro, Daniela Nanna, Teresa A P Quagliara, Ruggiero Rociola, Giosuè Lionetti, Domenico Paparella
BACKGROUND: Myocardial damage is an independent predictor of adverse outcome following cardiac surgery and myocardial protection is one of the key factors to achieve successful outcomes. Cardioplegia with Custodiol is currently the most used cardioplegia during minimally invasive cardiac surgery (MICS). Different randomized controlled trials compared blood and Custodiol cardioplegia in the context of traditional cardiac surgery. No data are available for MICS. AIM: The aim of this study was to compare the efficacy of cold blood versus Custodiol cardioplegia during MICS...
April 2017: Perfusion
https://www.readbyqxmd.com/read/28326799/glomerular-loss-after-renal-radiofrequency-ablation-are-comparable-to-30-minutes-of-warm-ischemia
#15
Leonardo A S Abreu, José A Damasceno-Ferreira, Waldemar S Costa, Marco Aurélio Pereira-Sampaio, Francisco José Sampaio, Diogo B de Souza
PURPOSE: To compare, with stereological methods, the glomerular loss in kidneys submitted to radiofrequency ablation (RFA) or warm ischemia. METHODS: Twenty-six male pigs were divided into three groups. Eight animals were allocated in the sham group, which was submitted to laparoscopic dissection of the left renal hilum, without renal ischemia. Eight animals were allocated in the ischemia group, which had the left renal hilum clamped for 30 minutes under laparoscopic access...
March 22, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28326704/-extramedullary-fixation-combined-with-intramedullary-fixation-in-the-surgical-reduction-of-sagittal-mandibular-condylar-fractures
#16
Chen Chuanjun, Chen Xiaoyang, Chen Jing
OBJECTIVE: This study aimed to evaluate the clinical effect of extramedullary fixation combined with intramedullary fixation during the surgical reduction of sagittal mandibular condylar fractures. METHODS: Twenty-four sagittal fractures of the mandibular condyle in18 patients were fixed by two appliances: intramedullary with one long-screw osteosynthesis or Kirschner wire and extramedullary with one micro-plate. The radiologically-recorded post-operative stability-associated com-plications included the screw/micro-plate loosening, micro-plate twisting, micro-plate fractures, and fragment rotation...
October 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28326442/long-term-follow-up-of-a-non-randomised-prospective-cohort-of-one-hundred-and-ninety-two-total-knee-arthroplasties-using-the-nexgen-implant
#17
Alfredo Schiavone Panni, Franceso Falez, Rocco D'Apolito, Katia Corona, Carlo Perisano, Michele Vasso
PURPOSE: The purpose of this study was to retrospectively analyse the clinical, functional and radiological outcomes, and the long-term survivorship of the NexGen Legacy Posterior Stabilised (LPS) knee prosthesis (Zimmer Biomet, Warsaw, IN, USA). METHODS: Between 1996 and 2001, 197 primary NexGen LPS total knee arthroplasties (TKAs) were implanted by a single surgeon; 132 prostheses in 124 patients with a minimum follow-up of 15 years were included in the study...
March 22, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28325699/spinal-correction-in-patients-with-fukuyama-congenital-muscular-dystrophy
#18
Wataru Saito, Takanori Namba, Gen Inoue, Takayuki Imura, Masayuki Miyagi, Toshiyuki Nakazawa, Eiki Shirasawa, Kentaro Uchida, Masashi Takaso
BACKGROUND: Fukuyama congenital muscular dystrophy (FCMD) is one of the most common congenital progressive muscular dystrophies in Japan. Some patients develop a severe spinal deformity that leads to an unstable sitting position or pain. Since 2008, we have treated FCMD using posterior spinal fusion. This study reports the short-term clinical and radiographic results of posterior spinal correction and fusion in FCMD. METHODS: We retrospectively reviewed 11 consecutive FCMD patients, average age 13 years old, treated with posterior spinal instrumentation and fusion between 2008 and 2015...
March 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28325565/impact-of-the-method-and-success-of-pharyngeal-reconstruction-on-the-outcome-of-treating-laryngeal-and-hypopharyngeal-cancers-with-pharyngolaryngectomy-a-national-analysis
#19
S A R Nouraei, A Dias, H Kanona, D Vokes, P O'Flynn, P M Clarke, S E Middleton, A Darzi, P Aylin, N Jallali
BACKGROUND: Surgical treatment of cancers that arise from or invade the hypopharynx presents major reconstructive challenges. Reconstructive failure exposes the airway and neck vessels to digestive contents. METHODS: We performed a national N = near-all analysis of the administrative dataset to identify pharyngolaryngectomies in England between 2002 and 2012. Information about morbidity, pharyngeal closure method and post-operative complications was derived. RESULTS: There were 1589 predominantly male (78%) patients whose mean age at surgery was 62 years...
January 9, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28325055/-experience-with-hepatoblastoma-treatment-in-small-children-the-use-of-preoperative-3d-virtual-analysis-mevis-for-liver-resections
#20
J Janek, P Bician, P Kenderessy, P Kothaj, K Novotná, J Koňarčík, Ľ Laca, J Ulianko, I Dedinská
INTRODUCTION: Hepatoblastoma is an uncommon but most frequent liver cancer in infants and children. The therapy is complex, including neoadjuvant, surgical, and adjuvant therapy. For surgery, the presence of a specialized surgeon and an anaesthesiologist is required. For planning the surgery, the 3D analysis MeVis is currently available. The objective of the work is the assessment of a group of children operated for a liver hepatoblastoma and the assessment of contribution of a pre-surgery virtual 3D analysis MeVis for a surgeon...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
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