1,228 research outputs found
Rensing, Florence Nida (Death, 1910-08-01)
No full textAddress: 212 W Liberty3930/1910/Fa. J B J Rensing/Ms. Florence M. bentinerisOriginal record filed in drawer labeled 'REN-RHIN_1'
Alveolar hydatidosis (Echinococcus multilocularis) in a captive rhesus monkey (Macaca mulatta) in Germany
No full textBiologisk rensing av avisningsvæske
No full textVinterstid må fly og bane sprøytes med spesiell væske for å hindre isdannelse. Kilfrost (fly) og Clearway (bane) er de mest brukte avisningsvæskene i Norge i dag. Disse har begge et svært høyt innhold av organisk stoff, og oppsamlet avisningsvæske må renses før utslipp til resipient. På bakgrunn av laboratorieundersøkelser og systemanalyse er biologisk rensing ved hjelp av aktiv slam vurdert. Det anbefales en slambehandling av forurenset overvann og spillvann fra flyplassen før videreføring til kommunalt renseanlegg. Svært stor organisk belastning medfører behov for store luftetankvolumer. Store hydrauliske belastningsvariasjoner i overvannsavrenningen medfører i tillegg behov for separat utjevningsbasseng. Rapporten gir kvalitative anbefalinger og orienterende volumbehov for det biologiske rensetrinnet. Undersøkelser må gjennomføres i større skala før designkriterier kan bestemmes
Ethical principles and standards for the conduct of human and animal biological rhythm research
No full textMost research papers published in Chronobiology International report the findings of investigations conducted on laboratory animals and human beings. The Journal, its editors and the publication committee endorse the compliance of investigators to the principles of the Declaration of Helsinki of the World Medical Association relating to the conduct of ethical research on human beings and the Guide for the Care and Use of Laboratory Animals of the Institute for Laboratory Animal Research of the National Research Council relating to the conduct of ethical research on laboratory and other animals. Chronobiology International requires that submitted manuscripts reporting the findings of human and animal research conform to the respective policy and mandates of the Declaration of Helsinki and the Guide for the Care and Use of Laboratory Animals. The peer review of manuscripts will thus include judgment of whether or not the involved research methods conform to the standards of good research practice. This article outlines the basic expectations for the methods of human and animal biological rhythm research, both from the perspective of the fundamental criteria necessary for quality chronobiology investigation and from the perspective of humane and ethical research on human beings and animals
A Case of Intestinal Mycobacterium simiae Infection in an SIV-infected Immunosuppressed Rhesus Monkey
No full textAlthough Mycobacterium simiae was identified and classified more than three decades ago, only a few cases are mentioned in the current literature. After experimental simian immunodeficiency virus infection, a 9-year-old female rhesus monkey (Macaca mulatta) developed progressive immunosuppression and gastrointestinal disease very similar to the clinical and pathomorphologic features of Johne's disease, which is caused by M. paratuberculosis. Acid-fast-positive bacteria reacted immunohistochemically with antibodies against M. paratuberculosis and M. bovis but were not useful for differentiation because of a high degree of cross-reactivity. In contrast to immunohistochemistry and histopathology, biochemical methods and cycle sequencing analysis of the 16S ribosomal RNA identified M. simiae as the disease-causing pathogen. This case demonstrates the importance of molecular biological methods for the diagnosis of M. simiae infection in monkeys
Pflegegeschichten - Pflegende Angehörige schildern ihre Erfahrungen
No full textGröning K, Kunstmann A-C, Rensing E, Radtke-Röwekamp B, eds. Pflegegeschichten - Pflegende Angehörige schildern ihre Erfahrungen. Frankfurt a. M.: Mabuse-Verlag; 2004
Malignant Nephroblastoma in a Common Marmoset ( Callithrix jacchus )
No full textNecropsy of a 17-month-old male common marmoset ( Callithrix jacchus) with a history of increased abdominal girth resulted in the finding of a unilateral polycystic renal neoplasm. Detailed histopathologic and immunohistochemical investigations revealed different tissue types within the tumor including stromal connective tissue and fusiform mesenchymal cell formations surrounding blastemal cells as well as different developmental stages of organ-specific epithelial cells accompanied by extensive cyst formation. Metastases were not observed. In consideration of the macroscopic, histologic, and immunohistochemical findings, the tumor was classified as a nephroblastoma closely resembling the so-called Wilms' tumor, a malignant embryonic renal tumor frequently observed in humans, especially in young children. In contrast, this tumor entity has rarely been observed in nonhuman primates. This report represents the first documented case of a cystic variant of nephroblastoma in a nonhuman primate
5HT1A-receptors and behaviour under chronic stress: selective counteraction by testosterone
No full textFluorescence spectroscopy study of protoporphyrin IX in tissue-like phantoms
No full textFluorescence spectroscopy has been extensively investigated for disease diagnosis. In this framework, optical tissue phantoms are widely used for validating the biomedical device system in laboratory environment outside clinical procedures. Moreover, it is fundamental to consider that there are several scattering components and chromophores inside biological tissues and the interplay between scattering effects and absorption can result in a distortion of the emitted fluorescence signal. In this work, the photophysical behaviour of a set of liquid tissue like phantoms containing different compositions was analysed: phosphate buffer saline (PBS) was used as background medium, low fat milk as a scatterer, India ink as an absorber and PpIX dissolved in dimethyl formamide (DMF) as fluorophore. We examined the collected data in terms of the impact of surfactant Tween-20 on the background medium, scattering effects and combination of scattering and absorption within a luminescent body on PpIX. The results indicated that the intrinsic emission peaks are red-shifted by the scattering particles or surfactant, whilst the scatterer and absorber can alter the emission intensity substantially. We corroborated that phantoms containing higher surfactant content (> 0.5% Tween 20) are essential to prepare a stable aqueous phantoms
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