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James W Marshall, Philippe Schmitt-Kopplin, Nadine Schuetz, Franco Moritz, Chloé Roullier-Gall, Jenny Uhl, Alison Colyer, Lewis L Jones, Michael Rychlik, Andrew J Taylor
Sterilised food products undergo chemical changes during processing that ultimately determine the product quality. To provide detailed information on the chemistry of each stage of a pet-food sterilisation process, a laboratory-scale system was developed, which allowed sampling under the high temperatures and pressures associated with sterilisation. Products from the laboratory-scale system were representative of the factory process. Sample extracts were analysed by Fourier Transform-Ion Cyclotron Resonance-Mass Spectrometry (FT-ICR-MS), which delivered the molecular formulae and ion intensities of the compounds present...
March 1, 2018: Food Chemistry
Sudip Bhattacharya, Mohammad Abu Bashar, Amarjeet Singh
In this case study, we describe our experiences with a woman employed as a housemaid who sought unsafe abortion services from a private doctor. This was her sixth pregnancy, after previously giving birth to one son and two daughters and undergoing two induced abortions. Her husband remained opposed to the use of contraception. Initially, she had sought medical termination of pregnancy through a government hospital but was denied because of procedural delays, specifically the non-availability of an ultrasonography report consequent to a lack of proof of identity (ie, the AADHAAR card, a unique identification card for recording biometric and demographic data in India)...
October 13, 2017: BMJ Case Reports
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No abstract text is available yet for this article.
October 13, 2017: British Dental Journal
Norimah Yusof
Under the auspices of the IAEA tissue banking programme on "Radiation Sterilisation of Tissue Graft" conducted from 1985 to 2004, many scientists and surgeons were involved in various regional research and development (R&D) projects mainly in dealing with radiation dose selection, radiation effects on human tissues and quality system in radiation sterilisation. New findings on radiation effects, tissue processing and preservation were shared during the regional and interregional meetings and workshops. Many tissue banks started to use radiation (25 kGy) to sterilize tissue grafts for tissue safety and efficacy and still continue to use it...
October 11, 2017: Cell and Tissue Banking
M J Eagle, J Man, P Rooney, T A McQuillan, G Galea, J N Kearney
NHS Blood and Transplant Tissue and Eye Services (TES) and Scottish National Blood Transfusion Services Tissues and Cells Directorate (TCD) currently bank whole, frozen femoral head bone from living donors who are undergoing primary hip replacement surgery. When required, the bone is issued to a surgeon still frozen on dry ice (- 79 °C). Consequently, the femoral head bone is not processed, is not sterilised and at the time of issue, it contains donor blood, bone marrow and associated cells. We have previously shown that, cut, shaped and washed bone from deceased donors can be processed to remove up to 99...
October 11, 2017: Cell and Tissue Banking
S Mohd, N Yusof, S Ramalingam, W M Ng, A Mansor
Despite increasing use of bone graft in Malaysia, there was still lack of data to quantify knowledge level on bone banking among orthopaedic community who are involved in transplantation related work. Therefore, a survey on awareness in tissue banking specifically bone banking, usage and choice of bone grafts was conducted. From 80 respondents, 82.5% were aware about tissue banking however only 12.5% knew of the existence of tissue banks in Malaysia. Femoral head was the bone allograft most often used as a substitute to autograft...
July 2017: Malaysian Orthopaedic Journal
Martin Walker, Sébastien D S Pion, Hanwei Fang, Jacques Gardon, Joseph Kamgno, Maria-Gloria Basáñez, Michel Boussinesq
Background: Mass drug administration (MDA) with ivermectin is the cornerstone of efforts to eliminate human onchocerciasis by 2020/2025. The feasibility of elimination crucially depends on the effects of multiple ivermectin doses on Onchocerca volvulus. A single ivermectin (standard) dose clears the skin-dwelling microfilarial progeny of adult worms (macrofilariae) and temporarily impedes the release of such progeny by female macrofilariae, but a macrofilaricidal effect has been deemed minimal...
July 19, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Brian J Johnson, Sara N Mitchell, Christopher J Paton, Jessica Stevenson, Kyran M Staunton, Nigel Snoad, Nigel Beebe, Bradley J White, Scott A Ritchie
BACKGROUND: Recent interest in male-based sterile insect technique (SIT) and incompatible insect technique (IIT) to control Aedes aegypti and Aedes albopictus populations has revealed the need for an economical, rapid diagnostic tool for determining dispersion and mating success of sterilized males in the wild. Previous reports from other insects indicated rhodamine B, a thiol-reactive fluorescent dye, administered via sugar-feeding can be used to stain the body tissue and seminal fluid of insects...
September 2017: PLoS Neglected Tropical Diseases
L Saraswat, D Ayansina, K G Cooper, S Bhattacharya, A W Horne, S Bhattacharya
OBJECTIVE: To evaluate the long-term risk of further gynaecological surgery and cancer in women with endometriosis. DESIGN: Cohort study. SETTING: Scotland. PARTICIPANTS: 281 937 women with nearly 5 million person years (4 923 628) of follow up from 1981 to 2010. METHODS: In this national population-based study we compared 17 834 women with a new surgical diagnosis of endometriosis with 83 303 women with no evidence of endometriosis at laparoscopy, 162 966 women who underwent laparoscopic sterilisation, and 17 834 age-matched women from the general population...
September 27, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
S F Leow-Dyke, P Rooney, J N Kearney
Decellularised tissue allografts have been used in reconstructive surgical applications and transplantation for many years. Some of the current methods of sterilisation have a detrimental effect on the tissue graft structure and function. The anti-microbial activity of cupric ions and hydrogen peroxide (H2O2) are well known however their combined application is not currently utilised as a decontamination agent in the tissue banking world sector. The aim of this study was to determine the combined concentrations of copper chloride (CuCl2) and H2O2 that have the optimal bactericidal and sporicidal activity on decellularised (dCELL) human dermis...
September 26, 2017: Cell and Tissue Banking
J Haybrard, N Simon, C Danel, C Pinçon, C Barthélémy, F J Tessier, B Décaudin, E Boulanger, P Odou
Sterilising glucose solutions by heat promotes the generation of a large number of glucose degradation products (GDPs). It has been shown that high levels of GDPs may result in Advanced Glycation End products that have an impact on cellular homeostasis and health in general. If data is available for peritoneal dialysis solutions, little has been published for glucose infusion fluids. It is essential to identify the parameters causing the formation of GDPs and so limit the risk of exposing patients to them. After quantifying both 5-hydroxymethyl-2-furfural, considered as an important indicator of degradation, and 2-furaldehyde, an ultimate GDP of one degradation pathway, in marketed solutions, the aim of this work is to build a model integrating all the parameters involved in the formation rates of these two GDPs: supplier, glucose amount, container material, oxygen permeability coefficient and time-lapse since manufacture...
September 20, 2017: Scientific Reports
S A Brady, E K Fox, C Lally, O M Clarkin
The current gold standard for aneurysm treatment is endovascular coiling. However, recurrence is observed in over 20% of cases. A novel hydrogel has been developed to treat aneurysms. This hydrogel is composed of a polymeric alginate, a novel ion releasing glass and glucono-delta-lactone. This is an internally setting alginate hydrogel, wherein the setting rate can be controlled by both the glass and the alginate chemistry. The aim of this work is to examine the effect of each component of the hydrogel and optimise the composition of the hydrogel, specifically the alginate molecular weight, M/G ratio and concentration...
November 15, 2017: Carbohydrate Polymers
Vivian H Tang, Geoffrey A Stewart, Barbara J Chang
The bodies and faecal pellets of the house dust mite (HDM), Dermatophagoides pteronyssinus, are the source of many allergenic and nonallergenic proteins. One of these, the 14-kDa bacteriolytic enzyme LytFM, originally isolated from the spent HDM growth medium, may contribute to bacteriolytic activity previously detected by zymography at 14 kDa in the culture supernatants of some bacterial species isolated from surface-sterilised HDM. Based on previously reported findings of lateral gene transfer between microbes and their eukaryotic hosts, we investigated the presence of lytFM in the genomes of nine Gram-positive bacteria from surface-sterilised HDM, and the expression by these isolates of LytFM and its variants LytFM1/LytFM2...
September 2017: FEBS Open Bio
Lena Sjöberg, Risto Kaaja, Mika Gissler, Jaakko Tuomilehto, Aila Tiitinen, Janne Pitkäniemi
AIMS/HYPOTHESIS: The aim of this study was to explore the association between type 1 diabetes and reproductive health indicators in women, focusing on termination of pregnancy and sterilisation. METHODS: We conducted a registry-based cohort study involving 2281 women with childhood-onset type 1 diabetes, matched for age and birthplace with women without diabetes: two control participants for each woman with diabetes. We compared the frequencies of termination of pregnancy and sterilisation over a 25 year period between women with type 1 diabetes and women without, and estimated standardised incidence ratios (SIRs)...
September 11, 2017: Diabetologia
Barry J Parsons
The purpose of the current review is show how the principles and techniques of radiation chemistry have enabled the direct reactions of free radicals with biomolecules and biomaterials to be investigated at the molecular level. In particular, the review focusses on the free radical-induced fragmentation of glycosaminoglycans. Glycosaminoglycans are large linear polysaccharides consisting of repeating disaccharide units and are important components of the extracellular matrix (ECM) either in free form (hyaluronan) or as a component of proteoglycans...
September 4, 2017: Cell and Tissue Banking
J Phillips-Yelland, D Payton, R Land, A Kaur
•Incidental finding of a fallopian tube lesion at the time of bilateral salpingectomy•Histopathological appearance not consistent with mucinous or serous carcinoma, appearance of mesothelioma•Very rare known primary neoplasm of tubal mesothelium, favours an indolent course•Recommendation for prophylactic hysterectomy and bilateral oophorectomy•If nil further spread, generally nil further treatment is required.
November 2017: Gynecologic Oncology Reports
P L Harrison, T Harrison, I Stockley, T J Smith
AIMS: Tantalum (Ta) trabecular metal components are increasingly used to reconstruct major bone defects in revision arthroplasty surgery. It is known that some metals such as silver have antibacterial properties. Recent reports have raised the question regarding whether Ta components are protective against infection in revision surgery. This laboratory study aimed to establish whether Ta has intrinsic antibacterial properties against planktonic bacteria, or the ability to inhibit biofilm formation...
September 2017: Bone & Joint Journal
M D James, F J Bova, D A Rajon, S Carrera-Justiz, R M Clemmons
OBJECTIVE: The objective of this pilot study was to describe the application and first preliminary data of a novel MRI and CT compatible patient-specific facemask for stereotactic brain biopsy of intracranial lesions in dogs. METHODS: Five client-owned dogs presenting for neurological deficits consistent with forebrain disease were included in the study. All dogs had MRI findings consistent with an intracranial lesion. Using images obtained from either MRI or CT, a virtual three-dimensional model of each dog's face was generated...
August 26, 2017: Journal of Small Animal Practice
Monique de Nijs, Patrick P J Mulder, Mirjam D Klijnstra, Frank Driehuis, Ron L A P Hoogenboom
To investigate the fate of pyrrolizidine alkaloids (PAs) during milk processing, milk of cows treated via rumen fistula with a mixture of 84% (w/w) ragwort (Jacobaea vulgaris, syn. Senecio jacobaea) and 16% narrow-leaved ragwort (Senecio inaequidens), was processed using laboratory scale heating systems with industrial settings. Pasteurised and sterilised (UHT) milk were produced, as well as set-type yoghurt and cheese. Samples were analysed for 29 PAs using LC-MS/MS, of which eleven PAs were detected above LOQ in the samples (0...
August 22, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
Suzanne J Dedden, Peggy M A J Geomini, Judith A F Huirne, Marlies Y Bongers
OBJECTIVES: Laparoscopic and vaginal hysterectomies are common gynaecological procedures. Same-day discharge is usual care in various gynaecological procedures like laparoscopic sterilisation and laparoscopic oophorectomies. In major procedures like vaginal or laparoscopic hysterectomy patients are usually admitted overnight. We systematically reviewed the literature to identify complications, risk factors for (re)admittance, financial consequences and patient satisfaction of same-day discharge after a vaginal or laparoscopic hysterectomy...
September 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
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