Perivitelline space: does it play a role in blocking polyspermy in mammals?

abstract：:The flower buds of five Lonicera species, Lonicera japonica Thunb., L. macranthoides Hand.-Mazz., L. hypoglauca Miq., L. confusa DC. and L. fulvotomentosa Hsu et S.C. Cheng are confusable and usually utilized under the same name "Jinyinhua" in different areas for morphological similarity. Studies found that these five...

journal_title：Microscopy research and technique

authors： Chu C,Liu HJ,Qi LW,Liu EH,Li P

更新日期：2011-02-01 00:00:00

abstract：:Studies on embryonic development in vitro as well as observations in vivo, suggested that two aspects of oviduct physiology are important for early development. On one side has to be considered the oviduct "environment": temperature, pH, osmotic pressure, nutrients, oxygen tension, free radical scavengers, etc. On the...

journal_title：Microscopy research and technique

authors： Gandolfi F

更新日期：1995-09-01 00:00:00

abstract：:This manuscript reviews gap junctions' roles in control of intestinal motility. Gap junctions (GJs) of small intestine (SmIn) are found between circular muscle (CM) cells, between interstitial cells of Cajal (ICC) of deep muscular plexus (DMP) and between them and adjacent outer circular muscle (OCM). GJs between long...

journal_title：Microscopy research and technique

authors： Daniel EE,Wang YF

更新日期：1999-12-01 00:00:00

abstract：:The glycoconjugate pattern of developing ovarian follicles in wild and cultured Senegalese sole Solea senegalensis was investigated by means of lectin histochemistry. Ovaries from cultured fish contained oocytes up to the late vitellogenic stage, whereas they reached the hydration stage in wild specimens. The follicul...

journal_title：Microscopy research and technique

authors： Accogli G,Zizza S,García-López A,Sarasquete C,Desantis S

更新日期：2012-08-01 00:00:00

abstract：:Protein expression patterns are a primary determinant of tissue function and in this study we developed methods to study protein expression over macroscopic distances at subcellular levels of detail. Using the mammalian lens as a model tissue system, we show that by combining two-photon microscopy with novel image mon...

journal_title：Microscopy research and technique

authors： Jacobs MD,Donaldson PJ,Cannell MB,Soeller C

更新日期：2003-09-01 00:00:00

abstract：:Leishmaniasis is a worldwide public health problem and vector-borne disease. It is caused by a diverse group of protozoan parasites that belong to the genus Leishmania and transmitted to humans through a bite of an infected female sand fly. Leishmaniasis has attained epidemic proportion in Khyber Pakhtunkhwa and raise...

journal_title：Microscopy research and technique

authors： Khan I,Noor Z,Allauddin Khan S,Ali Khan T,Muhammad N,Ullah Khattak B,Hussain M

更新日期：2020-07-01 00:00:00

abstract：:The Dominican Republic (DR) has experienced tremendous increase in the number of cases of dengue virus (DENV) reported in the past few years. There are four serotypes of DENV (1-4), and each can cause classic dengue fever (DF), dengue hemorrhagic fever (DHF), or dengue shock syndrome (DSS). DENV-1-4 are currently circ...

journal_title：Microscopy research and technique

authors： Cabrera-Batista B,Skewes-Ramm R,Fermin CD,Garry RF

更新日期：2005-11-01 00:00:00

abstract：:The neurotrophins are a diverse family of peptides which activate specific tyrosine kinase-linked receptors. Over the past five decades, since the pioneering work of Levi-Montalcini and colleagues, the critical role that neurotrophins play in shaping the developing nervous system has become increasingly established. T...

journal_title：Microscopy research and technique

authors： Behrens MM,Strasser U,Lobner D,Dugan LL

更新日期：1999-05-15 00:00:00

abstract：:Effective protocols for controlling crystal structure, size, and morphology attract considerable interest given the requirement for particles of modal size and shape in many areas of materials fabrication and the importance of crystallochemical selectivity in determining the exploitable properties of inorganic solids....

journal_title：Microscopy research and technique

authors： Heywood BR

更新日期：1994-04-01 00:00:00

abstract：:Atomic force microscopy has been used to study self-assembled structures of two alpha-hemolysin mutants. For a mutant (alphaHL-H5) that was locked into the prepore state on fluid phase egg-PC membranes, we visualized, for the first time, heptameric prepores and showed that the 7-fold axis in the prepore lies perpendic...

journal_title：Microscopy research and technique

authors： Malghani MS,Fang Y,Cheley S,Bayley H,Yang J

更新日期：1999-03-01 00:00:00

abstract：:Micromass cultures represent a convenient means of studying chondrocyte physiology in the context of a tridimensional culture model. In this study, we present the first ultrastructural analysis of the distribution and organization of the extracellular components in micromasses in comparison with their cartilaginous co...

journal_title：Microscopy research and technique

authors： Battistelli M,Borzì RM,Olivotto E,Vitellozzi R,Burattini S,Facchini A,Falcieri E

更新日期：2005-08-15 00:00:00

abstract：:The intravacuolar network inside the parasitophorous vacuole of Toxoplasma gondii consists of an intricate system of membrane-limited tubules of uncertain role in parasite development. We propose that it is an important structural support to the maintenance of the parasites in the characteristic rosette arrangement of...

journal_title：Microscopy research and technique

authors： Magno RC,Lemgruber L,Vommaro RC,De Souza W,Attias M

更新日期：2005-05-01 00:00:00

abstract：:Locusts are attractive model preparations for cellular investigations of neurodevelopment. In this study, we investigate the immunocytochemical localization of histamine in the developing ventral nerve cord of two locust species, Schistocerca gregaria and Locusta migratoria. Histamine is the fast neurotransmitter of p...

journal_title：Microscopy research and technique

authors： Pätschke A,Bicker G

更新日期：2011-10-01 00:00:00

abstract：:Ensheathing cells are the glial cells that envelop olfactory axons as they course from the olfactory epithelium to the bulb. They are derived from the olfactory placode and differ from the typical glia in terms of sharing the phenotypes of both astrocytes and Schwann cells. The aims of this study are to review (1) cel...

journal_title：Microscopy research and technique

authors： Chuah MI,West AK

更新日期：2002-08-01 00:00:00

abstract：:With an increase in the advancement of digital imaging and computing power, computationally intelligent technologies are in high demand to be used in ophthalmology cure and treatment. In current research, Retina Image Analysis (RIA) is developed for optometrist at Eye Care Center in Management and Science University. ...

journal_title：Microscopy research and technique

authors： Jamal A,Hazim Alkawaz M,Rehman A,Saba T

更新日期：2017-07-01 00:00:00

abstract：:Skin is the largest organ of the human body. Thus far, tissue engineering of skin has developed rapidly and has used many types of growth factors and nanofibrous scaffolds. In this study, we differentiated neonate keratinocytes for epithelialization on the polycaprolactone-Platelet gel (PCL-PG) scaffold. Fabricated PC...

journal_title：Microscopy research and technique

authors： Ranjbarvan P,Soleimani M,Samadi Kuchaksaraei A,Ai J,Faridi Majidi R,Verdi J

更新日期：2017-05-01 00:00:00

abstract：:We combine reflective confocal microscopy with multiphoton microscopy to form a minimally invasive technique to observe the cornea. The two imaging modalities allow detection of complementary information from the cornea. The autofluorescence signal shows the cytoplasm of epithelial cells, and the second harmonic gener...

journal_title：Microscopy research and technique

authors： Chen WL,Sun Y,Lo W,Tan HY,Dong CY

更新日期：2008-02-01 00:00:00

abstract：:This work provides the details of a simple and reliable method with less damage to prepare electron transparent samples for in situ studies in scanning/transmission electron microscopy. In this study, we use epitaxial VO2 thin films grown on c-Al2 O3 by pulsed laser deposition, which have a monoclinic-rutile transitio...

journal_title：Microscopy research and technique

authors： Moatti A,Sachan R,Prater J,Narayan J

更新日期：2018-11-01 00:00:00

abstract：:The preparation of optically clear, thick sections of fragile embryonic tissues greatly aids the power of confocal scanning laser microscopy in imaging three-dimensional structures. We report here conditions for embedding, sectioning, and staining embryos in polyacrylamide gels for a variety of confocal imaging techni...

journal_title：Microscopy research and technique

authors： Germroth PG,Gourdie RG,Thompson RP

更新日期：1995-04-15 00:00:00

abstract：:Gymnosporia arenicola Jordaan (Celastraceae) is a shrub or small tree, which naturally occurs in coastal sand dunes of Southern Mozambique and South Africa. Its dried leaf is often used in traditional medicine for the treatment of infectious and inflammatory diseases. Hereby, we present results of studies carried out ...

journal_title：Microscopy research and technique

authors： Da Silva G,Serrano R,Gomes ET,Silva O

更新日期：2015-11-01 00:00:00

abstract：:Physiological oral mechanical forces may play a role on the progression of enamel carious lesions to cavitation. Thus, the aim of this study was to describe, by 3D finite element analysis, stress, and strain patterns in sound and carious enamel after a simulated occlusal load. Micro-CT based models were created and me...

journal_title：Microscopy research and technique

authors： Neves AA,Coutinho E,Alves HD,de Assis JT

更新日期：2015-10-01 00:00:00

abstract：:Changes in physicochemical properties of the human hair shaft induced by UVB during the summer climate were investigated. Using atomic force microscopy and thermogravimetric analyzer measurements, we investigated the changes in hair shaft physical properties including morphology, roughness, and water content. The chan...

journal_title：Microscopy research and technique

authors： Kim KS,Shin MK,Park HK

更新日期：2012-07-01 00:00:00

abstract：:Acrylic resin mixtures are commonly used to study microscopic sections of biological specimens, giving the advantage of good morphological preservation. Existing embedding protocols, however, are suitable for tissue blocks, not exceeding 1 mm in thickness. We have developed a protocol to embed larger specimens (up to ...

journal_title：Microscopy research and technique

authors： De Jonge HW,De Bakker MA,Verbeek FJ,Weijs WA

更新日期：2005-01-01 00:00:00

abstract：:Neurons begin to polarize when one of the neurites becomes the axon. Hippocampal neurons in cell culture have a sharp transition between their unpolarized and polarized stage revealed by the rapid growth of the future axon. Recent progress shows that both a cytoplasmic membrane flow and actin dynamics govern axon form...

journal_title：Microscopy research and technique

authors： Bradke F,Dotti CG

更新日期：2000-01-01 00:00:00

abstract：:A synchrotron radiation fiber diffraction structural study of the axial filament of siliceous spicules from two species of marine sponges (the Demosponge Geodia cydonium and the Hexactinellid Scolymastra joubini) was carried out. The sharpness of the spots in the diffraction patterns indicated that the protein units i...

journal_title：Microscopy research and technique

authors： Croce G,Frache A,Milanesio M,Viterbo D,Bavestrello G,Benatti U,Giovine M,Amenitsch H

更新日期：2003-11-01 00:00:00

abstract：:The increasing importance of in vitro models has presented new challenges in SEM processing techniques. The present study has evaluated the quality of preservation of cultured human lens epithelial cells processed by critical point, Peldri II, and tert-butyl alcohol drying. Specimens processed by critical point drying...

journal_title：Microscopy research and technique

authors： Cantu-Crouch D,Howe WE,McCartney MD

更新日期：1995-04-01 00:00:00

abstract：:Investigation of mortuary ritual is an important method to reconstruct many aspects of past societies. Due to the lack of relevant analytical work, little evidence related to organic materials in a burial can be found in China. Here we report materials collected from a burial during the excavation of the Shengedaliang...

journal_title：Microscopy research and technique

authors： Wu Y,Guo X,Wang W,Chen X,Zhao Z,Xia X,Yang Y

更新日期：2017-02-01 00:00:00

abstract：:We summarize the molecular phenotype, diagnostic criteria, and the newest advances related to seeking the pathogenic mechanism(s) of sporadic inclusion-body myositis (s-IBM), a muscle disease usually of persons over age 50. On the basis of our research, several processes seem to be important in relation to the still-s...

journal_title：Microscopy research and technique

authors： Askanas V,Engel WK

更新日期：2005-07-01 00:00:00

abstract：:In spite of accumulating evidence for a modulation of sympathetic neurotransmission by endogenously produced nitric oxide (NO), it remains unclear in which parts of the vascular system and at what level this interaction takes place. The aim of the present study was to investigate the distribution of endothelial and ne...

journal_title：Microscopy research and technique

authors： Addicks K,Bloch W,Feelisch M

更新日期：1994-10-01 00:00:00

abstract：:The enzyme adenylyl cyclase (AC) plays a pivotal role in smooth muscle relaxation. Biochemical evidence suggests that AC is predominantly located in the outer layers of the myometrium; however, neither immunocytochemical nor histochemical studies have been undertaken to demonstrate the specific cellular distribution o...

journal_title：Microscopy research and technique

authors： Richards PD,Tiltman AJ,Richards PA

更新日期：1998-03-15 00:00:00