Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 171 for “"formalin"”.
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The Effect of Endodontic Solutions on Resorcinol-Formalin Paste in Teeth
… would have a softening effect on resorcinol-formalin paste in extracted teeth, and if there were any differences in the solvent action between these solutions. Forty-nine single-rooted extracted teeth were decoronated two mm coronal to the CEJ, and the roots sectioned apically to a standard …
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Focused Ultrasound Extraction (FUSE) for Formalin-Fixed, Paraffin Embedded (FFPE) DNA Extraction
Formalin-fixed, paraffin embedded (FFPE) tissue is the most abundant, accessible, and versatile tissue sample type available for genetic research and clinical applications. However, FFPE DNA extraction presents unique challenges and requires lengthy incubation periods, which can be impractical for …
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HLA-A Typing in formalin-fixed paraffin embedded tissue samples : towards potential retrospective analysis
… de tejido embebidas en parafina y fijadas con formalina (FFPE en inglés) son recolectadas rutinariamente en oncología. Este procedimiento podría ser utilizado como una buena fuente de ADN, dado que en estudios en el pasado los ensayos de recolección de ADN no eran normalmente llevados a cabo de …
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Design and Fabrication of Optomechanical Formalin Fixation Monitoring Systems Integrated with a Millifluidic Device
… non-contact monitoring systems. Especially, the formalin fixation step that is the most time consuming but less known tissue preparation step should be well assessed. The three primary aims are presented for this first project. The first aim was to design a low-cost but efficient SW elastography …
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Development of methods for the microbiome analysis of formalin fixed paraffin embedded tissue specimens
… of the community of bacteria under study. Formalin-fixed, paraffin-embedded (FFPE) samples represent the most comprehensive collections of patient materials in hospital pathology archives. However, for this sample to become reliably accessible for microbiome studies, the effects of FFPE …
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Immunophenotypic classification of canine malignant lymphoma in formalin-fixed, paraffin wax-embedded specimens using CD3 and CD79a cell markers
Inconsistent use of nomenclature in different canine malignant lymphoma (CML)classification systems, which lead to incorrect diagnosis and prognosis, necessitated a retrospective study of 103 cases of CML. Histological classification was done according to the Working Formulation, on H&E sections, …
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Optimisation of sample preparation for DNA extraction from formalin fixed paraffin embedded tissues of unresolved sudden unexpected death cases
… into genetic causes of death. Often, formalin fixed paraffin embedded tissues (FFPETs) are the only archival sources of DNA available for retrospective analyses. This study aimed to optimise DNA recovery from FFPETs for potential use in molecular autopsies of unresolved SUDY cases. To …
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Human Papillomavirus DNA extraction and genotype analysis by multiplex real time polymerase chain reaction from formalin fixed paraffin wax-embedded cervical carcinoma specimens
Introduction: Cervical squamous cell carcinoma is most commonly caused by persistent infection by high risk human papillomavirus (hrHPV) genotypes. The exact type of hrHPV varies geographically and is the basis for HPV–based vaccination for cervical squamous cell carcinoma prevention. Little is …
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Breast Cancer Specimen Collection, Handling & Adherence to ASCO/CAP Guidelines
… to degrade immediately. Specimens are placed in formalin to halt the process of degradation. Under or over-exposure of specimens to formalin can result in false positive or false negative test results for estrogen receptors, progesterone receptors & Her-2/neu receptors. </p> <p><strong>Goals & …
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Attempting to Understand the Effects of Thiel Embalming and Addressing Potential Legislative Changes
… over those produced by the more traditional formalin-phenol based method including a high degree of flexibility on par with in vivo conditions. However there is a distinct paucity of information regarding the way in which Thiel embalming affects the cadaveric tissues and the inherent …
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An analysis of the role of midbrain dopamine systems in the suppression of tonic pain
… acting in the midbrain induces analgesia in the formalin test for tonic pain. The present thesis explored in more depth the role of SP-DA interactions in the suppression of tonic pain, and examined whether the activation of midbrain DA neurons by endogeneous SP might be a mechanism underlying …
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Simple morbid anatomical studies of the human stomach: an analysis of 78 cases
… of 72 autopsy and 4 gastrectomy stomachs, all formalin- fixed.
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Fungal Control Methods, Diets and Water Temperatures Used to Culture Paddlefish, Polydon spathula
… at 21±1.6°C. Paddlefish eggs were treated with formalin, for 15 min daily, first at 1667 mg/1 and later at 833 mg/l; and with malachite green, for 2 min daily at 65 mg/1, to control fungus. Hatching success, determined by estimating numbers of fry at swim-up, was 16.6% for the eggs treated with …
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Expression of ICAM-1, MHC-1 and B7 surface molecules in canine primary appendicular osteosarcoma
… tissue sections (frozen and paraffin-embedded, formalin-fixed tissues) of dogs with osteosarcoma were analyzed using fluorescence microscopy, flow cytometry and immunohistochemistry for expression of ICAM-1, MHC-1 and B7. All cell lines (n = 5) examined by fluorescence microscopy exhibited high …
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Orally Induced Tolerance to Streptococcus Mutans and Glucosyltransferase in Neonatal Mice
Three antigens, glucosyltransferase (GTase), formalin killed Streptococcus mutans cells (vaccine) and bovine serum albumin (BSA), were used to orally induce tolerance in neonatal C57BL mice. Radial immunodiffusion was used to measure the antibody response to vaccine and BSA, and an enzyme …
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A retrospective histopathological study and selected molecular genetics of archival prostatic cancer tissue
… androgen receptor (AR) gene amplification in formalin fixed prostatic carcinoma tissue.
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Embryonation and efficacy of treatments on monogenean gill flukes infecting silver kob (Argyrosomus inodorus)
… inodorus. Treatments included praziquantel, formalin, freshwater. hydrogen peroxide and copper sulphate. Freshwater was found to be 100% effective on both species of flukes, whereas praziquantel was more effective at a higher concentration. The other treatments were not effective against the …
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Óleos essenciais com atividade antinociceptiva : uma revisão.
… of nociception were tested: the writhing test, formalin, hot plate and tail flick. The data obtained in the studies demonstrate the potential of this group of natural products as analgesics that can b e useful for therapeutic purposes
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Utility of the Visible Heart® and Micro-CT Imaging to Optimize the Treatments of Bifurcation Stenting
… hearts. Also, it was identified that after the formalin fixation process, desecrations of the coronary vessels could readily be induced in healthy human hearts, while those presenting with coronary artery disease elicited little to no effects due to the plaque formations. If this holds true, …
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The clinical value of genetic analyses of bone and soft tissue tumors
… biopsies, fresh and frozen surgical biopsies and formalin-fixed tissue. In paper I we compared karyotypes obtained by fine needle aspiration (FNA), core-needle (CNB) and surgical biospies. Chromosome banding analysis found clonal aberrations in 64% of surgical biopsies, in 48% of CNB and in 24% of …
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