<a href="https://www.jove.com/video/4313">Intraoperative Detektion von Subtle Endometriose: A Novel Paradigm for Erkennung und Behandlung von Becken-Schmerz unter Verlust von Peritoneal Integrität Assoziierte</a> Bruce A. Lessey 1, H. Lee Higdon III 1, Sara E. Miller 2, Thomas A. Price 3 1 Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology und Unfruchtbarkeit, Greenville Hospital System, 2 Department of Pathology, Duke University Health System, 3 Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology und Unfruchtbarkeit, Duke University Verlust von peritonealen Integrität bietet ein neues Paradigma zu verstehen und zu behandeln chronischen Beckenschmerzen bei Frauen mit leichten Formen von Endometriose und leicht erfasst werden unter Verwendung intraoperative Instillation von Farbstoff zum Zeitpunkt der Laparoskopie. Tactile Conditioning und Bewegungsanalyse der antennalen Sampling Strategies In Honey Bees (Apis mellifera L.)</a> Samir Mujagic, Simon Michael Würth, Sven Hellbach, Volker Dürr Biologische Kybernetik, CITEC - Cognitive Interaction Technology - Center of Excellence, Universität Bielefeld In diesem Protokoll zeigen wir, wie Bedingung Honigbienen auf taktile Reize genutzt und die Einführung einer 2D-Motion-Capture-Technik zur Analyse der Kinematik feinskaligen antennalen Abtastmuster. <a href="https://www.jove.com/video/4320">Eine In-vitro-Herstellung zum Hervorrufen und Aufnahme Feeding Motor Programme mit Physiologische Bewegungen in Aplysia californica</a> Jeffrey M. McManus 1, Hui Lu 1, Hillel J. Chiel 1, 2, 3 1 Department of Biology, Case Western Reserve University, 2 Department of Neurosciences, Case Western Reserve University, 3 Department of Biomedical Engineering, Case Western Reserve University Wir beschreiben ein Verfahren zur Aufzeichnung und extrazellulär stimulieren von Nerven, Muskeln und einzelnen identifizierten Neuronen in vitro während Hervorrufen und Beobachten verschiedener Zuführen Verhalten in der Zuführvorrichtung von Aplysia. <a href="https://www.jove.com/video/50081">Erzeugung und Verwertung von β-Zellen Spheroids Von Step-Wachstum PEG-Peptid-Hydrogele</a> Asad Raza, Chien-Chi Lin Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University - Purdue University in Indianapolis Das folgende Protokoll stellt Techniken zur Verkapselung Pankreas β-Zellen in SchrittWachstum PEG-Peptid-Hydrogele durch Thiol-En-Foto-Klick-Reaktionen gebildet. Dieses Material-Plattform bietet nicht nur eine cytocompatible Mikroumgebung für Zellverkapselung, sondern erlaubt auch benutzergesteuerten rasche Erholung von Zellstrukturen innerhalb der Hydrogele gebildet. <a href="https://www.jove.com/video/4400">Chromosome Replizieren Timing mit Fluoreszenz in situ Hybridisierung Kombiniert</a> Leslie Smith, Mathew Thayer Department of Biochemistry and Molecular Biology, Knight Cancer Institute, Oregon Health &amp; Science University Ein quantitatives Verfahren zur Analyse von Chromosomenreplikation Timing beschrieben. Das Verfahren nutzt BrdU Inkorporation in Kombination mit Fluoreszenz in situ Hybridisierung (FISH), um die Replikation des Säuger-Chromosomen Timing zu beurteilen. Diese Technik ermöglicht den direkten Vergleich von neu geordnet und un-neu Chromosomen innerhalb the derselben Zelle. <a href="https://www.jove.com/video/4392">Das Insekt Galleria mellonella als leistungsfähiges Infektion Modell zur bakterielle Pathogenität Untersuchen</a> Nalini Ramarao, Christina Nielsen-Leroux, Didier Lereclus INRA, Micalis UMR1319, Frankreich Mündliche und intra haemocolic Infektion der Larven der größeren Wachsmotte Galleria mellonella beschrieben. Das Insekt kann verwendet werden, um Virulenzfaktoren entomopathogener sowie Säugetierzellen opportunistische Bakterien zu untersuchen. Aufzucht der Insekten, Methoden der Infektion und Beispiele von in vivo-Analyse beschrieben.

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december 2012: this month in jove

Hier sind einige Highlights aus dem Dezember 2012 Ausgabe des Journal of Visualized Experiments (Jupiter). In diesem Monat, kombinieren Smith und Thayer zwei klassischen Methoden-Bromdesoxyuridin (BrdU) Inkorporation und Fluoreszenz i n-situ-Hybridisierung (FISH)-die Replikation Zeitpunkt der einzelnen Säugetieren Chromosomen zu untersuchen. Durch die Analyse von Unterschieden in BrdU-Einbau, können unsere Autoren erkennen, wie Chromosomenaberrationen asynchrone Replikation zwischen homologen Chromosomen aus einer einzigen Zelle verursachen. In JoVE Neuroscience, McManus et al. Studieren neuromuskuläre Aktivität in der kalifornischen Meeresschnecke (Aplysia californica), und die Bewegungen seiner Zuführvorrichtung während der Fütterung. Unsere Autoren zeigen uns, wie die Schnecke die Mundwerkzeuge zu isolieren, induzieren Fütterung Programme (wie Beißen und Schlucken, und analysieren die Aktivität von Nerven, Muskeln und einzelnen Neuronen während der Fütterung. t &quot;&gt; Auch in JoVE Neuroscience, Mujagic et al. nehmen Honigbienen (Apis mellifera) aus dem Bienenstock ins Labor, wo sie die Bienen auf verschiedene Metalloberflächen mit ihren Antennen scannen lassen. Dann füttern die Forscher die Bienen Zuckerwasser nach bestimmten taktile Reize. Das trainiert die Bienen ihren Rüssel zu verlängern, in Erwartung von Zucker Wasser, wenn ihre Antennen Touch insbesondere Oberflächen. Unsere Autoren dann analysieren, wie sich Änderungen in antennalen Bewegung assoziativen oder nicht assoziativen taktilen Lernen entsprechen. In JoVE Bioengineering, demonstrieren Raza und Lin ein Verfahren zum Erzeugen von verkapselten β-Zell-Sphäroiden in einer vernetzten Polymer-Hydrogel. Nach der Wiederherstellung der Aggregate können unsere Autoren benutzen die β-Zell-Sphäroide, Zell-und Gewebe-basierten Therapien für die regenerative Medizin Forschung zu studieren. In JoVE Clinical &amp; Translational Medicine, verwenden Lessey et al. Methylenblau zu identifizieren sindwie der Endometriose, eine Erkrankung, die Schmerzen im Beckenbereich und andere urogenitale Probleme bei Frauen verursacht. Durch Färbung peritonealen Oberflächen mit Methylenblau, können unsere Autoren identifizieren Bereiche der subtilen Endometriose, die sonst während der Laparoskopie verpasst werden könnte. Dies ermöglicht unseren Autoren alle betroffenen Gewebe zu entfernen, erheblich verbessert chirurgische Ergebnis für Endometriose-Patientinnen. In JoVE Immunologie und Infektionsbiologie, erfahren wir, dass Wachsmotten (Galleria mellonella), auch als Waben Motten bekannt, eine Menge gemeinsam haben mit uns Säugetieren. In der Tat haben Wachsmotten komplexen angeborenen Immunsystems, die zur mikrobiellen Virulenzfaktoren relevanten Säugetier Infektionen sind charakterisieren. Ramarao et al. Zeigen uns, wie die Larven zu erhöhen und infizieren sie mit Mikroben oder mikrobielle Toxine für die Pathogenese Assays. Diese Vorschau fasst nur ein paar bemerkenswerte Video-Artikel in der Dezember 2012 Ausgabe des JoVE. Für full-length-Versions diese und viele weitere Video-Artikel, besuchen Sie bitte <a href="http://www.jove.com">www.jove.com</a> .

Watch this Scientific Journal Video about December 2012: This Month in JoVE at JoVE.com

December 2012: This Month in JoVE

Hier sind einige Highlights aus dem Dezember 2012 Ausgabe des Journal of Visualized Experiments (Jupiter).

Dezember 2012: Diesen Monat in JoVE

Here are some highlights from the December 2012 issue of Journal of Visualized Experiments (JoVE).
This month, Smith and Thayer combine two classical ...

Research

JoVE Journal

Biology

8.4K Aufrufe.  Massachusetts Eye and Ear. Hier sind einige Highlights aus dem Dezember 2012 Ausgabe des Journal of Visualized Experiments (Jupiter).

Serie: December 2012: This Month in JoVE

August 2012: This Month in JoVE

Traditional microscopy requires lens objectives to magnify specimens, and can involve numerous optical components like additional objectives, filters, and mirrors to refract and direct light to optical sensors. The August 2012 issue of JoVE (Journal of Visualized Experiments) is marked by the third publication from the Ozcan Lab (University of California, Los Angeles) on their lens free lens-free "on-chip" microscopy platform, which they have pioneered.
Back in 2009, the Ozcan lab published their first article, which demonstrated the use of a lens-free imaging platform that could image cells within whole blood. This imaging technique involves placing a sample directly on an optoelectric sensor array, like the CCD or CMOS chips found in the standard camcorder. Then, LED illumination from above the sample casts shadows on the chip, which are recorded as digital holograms that can be subjected to image processing. Not only does this lensless imaging system allow for an extremely large field of view (FOV of 0.6-8 cm2), the lack of bulky optical components makes it excellent for microfluidic applications. The Ozcan group demonstrates this in their follow-up 2011 JoVE article, in which fluorescently labeled white blood cells are imaged within a microfluidic chip.
This August in JoVE, the Ozcan group demonstrates further advancements to their lens-free microscopy platform by applying it to tomographic imaging of the nematode, C. elegans. By changing the angle of illumination, using a motorized rotation stage, the Ozcan group shows how multiple holographic slices may be generated for a sample-which, following processing, can be combined into tomograms. The Ozcan group confirms that their 3D reconstruction of the worm is successful by citing that the pharyngeal tube, a 5-micron-thick structure, is only visible in a single slice and in a 3D reconstructed cross section.
The compact and inexpensive nature of the lens-free imaging systems - designed and assembled by the Ozcan group - make them well suited for point-of-care diagnostic applications, or even cell phone based microscopy that can be performed in the field.
At the Ernest Gallo Clinic and Research Center at University of California, San Francisco JoVE learns how to visualize morphological changes in single cells using three-dimensional fluorescence microscopy and computer analysis. In this procedure, cells are given agonist, antagonist plus agonist, or no treatment, and prepared for immunofluorescence microscopy. Three-dimensional images are acquired with the help of a two-photon laser system, and the fluorescence data are processed on the computer using Imaris and Matlab.
To demonstrate the power of this technique, our authors quantify single-cell phenotypic changes in transfected HEK293 cells. Three-dimensional morphometric analysis shows dramatic changes in cells treated with agonist. These changes are not always apparent when using conventional 2D analysis. This technique allows morphological changes in single cells to be quantified and characterized in response to pharmacologic stimuli, offering a powerful new assessment tool to the arsenal of drug discovery research.
This month, in JoVE Applied Physics, we travel to South Carolina to visit the School of Materials Science and Engineering at Clemson University. Here, researchers show us how to construct lithium batteries for laboratory research.
The basic components of a lithium coin cell are the working electrode, the lithium electrolyte, and a lithium foil counter electrode. The different components of the coin cell are carefully assembled and sealed with a crimping machine. The finished coin cell can then be characterized in a battery tester. Using their homemade coin cells, our researchers can experiment with using different materials to make the cathodes of lithium coin cells.
This month in JoVE Immunology and Infection, we head to Basel, Switzerland to witness two techniques for diagnosing helminth infections. We also see how investigators perform the shuttle run test in children, in order to assess the effects of these infections on physical fitness.
Helminths are parasitic worms that can live inside humans and animals. Many species infect the intestinal tract, and may be transmitted through soil. Our authors demonstrate the Kato-Katz technique, which is used for diagnosing several common soil-transmitted helminths. They also demonstrate the Baermann technique, which uses light to stimulate the migration of certain types of phototactic helminths out of sample preparations. The various types of helminth species can subsequently be determined based on morphology.
Our authors then demonstrate how to set up and perform a 20-meter shuttle run test for children, and to measure the impact of helminth infections on physical fitness. This method can help determine the true burden of soil-transmitted helminth infections on overall health.
This brief summary highlights but a few notable video-articles that will be released in August. We'll also feature articles that demonstrate how to express genes in the midbrain of the chick embryo, study neutrophil transmigration in parallel flow chambers lined with endothelial cells, and precisely measure proteolytic degradation of the extracellular matrix.

Traditional microscopy requires lens objectives to magnify specimens, and can involve numerous optical components like additional objectives, filters, and mirrors to refract and direct light to optical sensors. The August 2012 issue of JoVE (Journal of Visualized Experiments) is marked by the third publication from the Ozcan Lab (University of California, Los Angeles) on their lens-free "on-chip" microscopy platform, which they have pioneered.

August 2012: Diesen Monat in JoVE

Traditional microscopy requires lens objectives to magnify specimens, and can involve numerous optical components like additional objectives, filters, and ...

Forschung

Biologie

2012: A Year In Review

Here's a look at some of the milestones and highlights of the year 2012 in Journal of Visualized Experiments (JoVE).
At the start of 2012, JoVE reached a major milestone by publishing our 1500th article. In this publication, in JoVE Bioengineering, Yu et al. described a method for analyzing the free radical composition of cigarette smoke. This method simulated cigarette puffing with a single-port smoking device, and combined it with electron spin resonance (ESR) spectroscopy to measure the degree to which antioxidant compounds can scavenge free radicals in cigarette smoke. A possible outcome of this research is the creation of less harmful cigarettes.
JoVE Bioengineering also contained the most-viewed article of 2012. Owczarczak et al. described a method for hacking a standard inkjet printer, loading ink cartridges with a cell-suspension "bioink," and printing lines of live cells onto glass slides. The thermal inkjet printing process creates temporary pores in the cell membrane, visualized by the incorporation of fluorescently labeled actin monomers. This concept, called "bioprinting," has many potential applications in cell and tissue engineering.
Also in 2012, JoVE Bioengineering featured a protocol by Hsia et al. for isolating and purifying spider silk protein, spinning it into fibers, and assessing the fiber strength. This protocol for laboratory-scale production of spider silk, which is stronger than tensile steel, can potentially be extended to large-scale manufacturing.
In JoVE Clinical and Translational Medicine, we featured a number of articles related to stroke, one of which. In one article, M&ouml;bius-Winkler et al. demonstrated placement of the WATCHMAN left atrial appendage occlusion device from Boston Scientific. This device is designed to prevent strokes by trapping clots within the left atrial appendage of the heart before they exit. Our authors demonstrated how to insert the guide wire through the femoral artery into the heart, advance the device into the left atrium, and deploy the device in the left atrial appendage.
Another article focused on stroke, Hamel et al. described the use of a driving simulator to study how patients compensate for visual field defects following stroke. By analyzing the compensatory gaze behavior of patients as they navigated through virtual driving courses with varying degrees of complexity, our authors see great potential for the use of driving simulators in stroke rehabilitation.
In JoVE Immunology and Infection, we published an article by Keyel et al. describing the real-time kinetics of immune cell responses to bacterial toxins using live cell microscopy. Combined with high-speed 3D confocal microscopy, this technique can also visualize the cellular repair response.
Also in JoVE Immunology and Infection, we featured an article by Yap et al. describing methods for diagnosing helminth infections in children. Helminths are parasitic worms that can infect the intestinal tract of humans and animals, and may be distinguished based on their morphology. The same article demonstrated how to measure the impact of helminth infections on physical fitness in children, which is a measure of overall health.
In JoVE Neuroscience, we featured a method by Hoffmann et al., who used tiny headphones to alter the auditory feedback in songbirds, and analyzed the computational and neurophysiological basis of vocal learning in birds when they adjust their singing in response to altered acoustic signals.
Also in JoVE Neuroscience, we moved from birds to bees with a method that assesses associative and non-associative tactile learning in honeybees. This method, by Mujagi&#263; et al., allowed bees to scan different metal surfaces with their antennae, then conditioned them to expect sugar water when their antennae touched particular surfaces, and analyzed the corresponding changes in antennal movement.
In 2012, we launched a brand-new section: JoVE Applied Physics, which features articles on subjects ranging from plasma physics to material science. The Applied Physics section also contained JoVE's 2000th video article, filmed in a synchrotron radiation facility, where Borisenko et al. showed how to determine the electronic structure of complex materials using angle-resolved photoemission spectroscopy.
In the JoVE General section, we published an article by Artioli et al. demonstrating the use of a portable gas analyzer to measure oxygen consumption during complex exercise - such as judo. By analyzing oxygen consumption and collecting blood for measuring plasma lactate concentration, this method can determine the relative contributions of different energy systems to specific aspects of complex exercise.
Finally, JoVE followed Dolhi et al. to a permanently ice-covered saline lake in Antarctica. There, scientists drilled through the ice to study single-celled microorganisms called protists that live in the harsh conditions of Antarctica.
This Year in Review was just a brief glimpse of a few of over 600 video articles that JoVE offered in 2012. Browse the JoVE archives to see thousands of other videos, and stay tuned for what's coming up this year in JoVE: The Journal of Visualized Experiments.

Here's a look at some of the milestones and highlights of the year 2012 in Journal of Visualized Experiments (JoVE).

2012: Das Jahr im Rückblick

 
 
Here's a look at some of the milestones and highlights of the year 2012 in Journal of Visualized Experiments (JoVE).
At the start of 2012, JoVE ...