Structure and turnover of junctional complexes between principal cells of the rat epididymis.

abstract：:Tungsten single atoms and clusters composed of four and five atoms deposited on MgO (001) thin films were observed by high-resolution transmission electron microscopy at R.T. The observation was realized by optimizing the thickness of the MgO films and by using special imaging techniques such as an off-Bragg HREM meth...

journal_title：Microscopy research and technique

authors： Tanaka N,Kimata H,Takashima T,Kizuka T

更新日期：1998-02-15 00:00:00

abstract：:Ribbon synapses differ from conventional chemical synapses in that they contain, within the cloud of synaptic vesicles (SV's), a specialized synaptic body, most often termed synaptic ribbon (SR). This body assumes various forms. Reconstructions reveal that what appear as rod- or ribbon-like profiles in sections are in...

journal_title：Microscopy research and technique

authors： Vollrath L,Spiwoks-Becker I

更新日期：1996-12-15 00:00:00

abstract：:STM tips made from antiferromagnetic MnNi have been used to investigate the atomic structure of the (001) and (111) surfaces of Fe3O4. The clean (001) surface displays a ( radical2 x radical2)R45 degrees superlattice, which is attributed to charge-ordering on the surface, where Fe(2+)-Fe2+ and Fe(3+)-Fe3+ dimers can b...

journal_title：Microscopy research and technique

authors： Murphy S,Ceballos SF,Mariotto G,Berdunov N,Jordan K,Shvets IV,Mukovskii YM

更新日期：2005-02-01 00:00:00

abstract：:A cognitive task can often be subdivided into several subprocesses, which follow a specific temporal order. Here, we report an event-related functional magnetic resonance imaging (fMRI) experiment on memory search, in which the temporal onset of search in primary memory was varied relative to retrieval from secondary ...

journal_title：Microscopy research and technique

authors： Pollmann S,Zysset S,Wiggins CJ,Von Cramon DY

更新日期：2000-10-01 00:00:00

abstract：:Lignocellulosic plant cell wall is considered a potential source for second generation biofuels. The plant cell wall is a highly complex structure mainly composed of cellulose, hemicelluloses, and lignin that form a network of crosslinked fibers. The structural organization of the sugarcane cell wall has not been prev...

journal_title：Microscopy research and technique

authors： Sant'Anna C,Costa LT,Abud Y,Biancatto L,Miguens FC,de Souza W

更新日期：2013-08-01 00:00:00

abstract：:We have summarized current knowledge on the aging of the immune system in three vertebrate groups: fish, amphibians and birds. Available data are few due to difficulties in studying ageing in natural populations and in accurately determining age. In all vertebrates, the most obvious evidence of the senescence of lymph...

journal_title：Microscopy research and technique

authors： Torroba M,Zapata AG

更新日期：2003-12-15 00:00:00

abstract：:During the emergence of multicellular organisms, molecular mechanisms evolved to allow maintenance of anatomical integrity and self-recognition. We propose that carbohydrates from proteoglycans, as the most peripheral cell surface, and matrix molecules might have provided these key adhesion and recognition functions. ...

journal_title：Microscopy research and technique

authors： Misevic GN

更新日期：1999-02-15 00:00:00

abstract：:Femtosecond electron diffraction is a rapidly advancing technique that holds a great promise for studying ultrafast structural dynamics in phase transitions, chemical reactions, and function of biological molecules at the atomic time and length scales. In this paper, we summarize our development of a tabletop femtosec...

journal_title：Microscopy research and technique

authors： Nie S,Wang X,Li J,Clinite R,Cao J

更新日期：2009-03-01 00:00:00

abstract：:In the present work, we propose the use of the Laser Scanning Confocal Microscopy (LSCM) to determine the effect of water repellents on rock's pore-network configuration and interconnection. The rocks studied are sandstones of Miocene age, a building material that is commonly found in the architectural heritage of Tun...

journal_title：Microscopy research and technique

authors： Zoghlami K,Gómez-Gras D,Corbella M,Darragi F

更新日期：2008-11-01 00:00:00

abstract：:Morphological studies of the microcirculatory system in the thymus were reviewed in regards to methodology and structural organization of blood and lymphatic vessels. The blood capillaries and postcapillary venules (PCVs) in the thymus are characterized by a double-walled structure. These vessels are surrounded more o...

journal_title：Microscopy research and technique

authors： Kato S

更新日期：1997-08-01 00:00:00

abstract：:MIS, as a differentiate and antiproliferative agent, is precisely regulated, for example, at the transcriptional level by such transacting factors as SRY, and posttranslationally by testosterone. Processing of MIS most likely requires an as yet unknown in vivo protease which probably serves to control cleavage of MIS ...

journal_title：Microscopy research and technique

authors： Catlin EA,MacLaughlin DT,Donahoe PK

更新日期：1993-06-01 00:00:00

abstract：:A re-examination and modification of the very old oblique illumination technique has resulted in a method for contrast enhancement in microscopes, diffracted-light contrast (DLC), which provides high-contrast, high-resolution images of unstained biological material. The technique, which utilizes the diffracted light f...

journal_title：Microscopy research and technique

authors： Piekos WB

更新日期：1999-08-15 00:00:00

abstract：:The presence of hard jaws (trophi), with species-specific shape and size, is a taxonomic feature of Rotifera, a group of microscopic metazoans. Since trophi are used to discriminate among species, it is important to know whether these structures change in taxonomically important ways during postembryonic development. ...

journal_title：Microscopy research and technique

authors： Fontaneto D,Melone G

更新日期：2006-04-01 00:00:00

abstract：:This study was undertaken to investigate the pecten oculi of stork by using macroscopic, light and electron microscopic techniques. A total of 20 eyes that were obtained from 10 storks were used. The eyes were cleaned and isolated by dissection. After various procedures, four of the pecten oculi were examined by light...

journal_title：Microscopy research and technique

authors： Onuk B,Tutuncu S,Alan A,Kabak M,Ince NG

更新日期：2013-09-01 00:00:00

abstract：:The grain boundary healing behavior of crushed rock salt was mainly studied by employing the environmental scanning electron microscope (ESEM) to study the consolidation mechanism of rock salt backfill. Dedicated miniature round rock salt specimens were prepared for observation of the water trapping effect by using a ...

journal_title：Microscopy research and technique

authors： Hwang CL,Wang ML,Miao S

更新日期：1993-08-01 00:00:00

abstract：:The discovery of new song types in Hawaiian Drosophila species has raised a question of alternative sound production and sound perception mechanisms in Drosophila. For example D. disjuncta males, which produce song with a carrier frequency of 5,000-6,000 Hz, do not vibrate their wings but only tremble them in a very s...

journal_title：Microscopy research and technique

authors： Hoikkala A,Moro S

更新日期：2000-07-15 00:00:00

abstract：:This ultrastructural study showed that nonisotopic methanolic hafnium chloride and aqueous lead solution was an excellent new electron stain for enhancing TEM contrasts of fungal and plant cell structures. The ultrastructural definition provided by the new stain was often superior to that provided by conventional stai...

journal_title：Microscopy research and technique

authors： Ikeda K,Inoue K,Kanematsu S,Horiuchi Y,Park P

更新日期：2011-09-01 00:00:00

abstract：:We report for the first time the presence of cluster crystals of calcium oxalate within the glandular trichomes and oil bodies in the mesophyll for Baccharis species. Moreover, the comparative leaf anatomy and micro-morphology of six species of Baccharis, namely B. illinita, B. microdonta, B. pauciflosculosa, B. punct...

journal_title：Microscopy research and technique

authors： Budel JM,Raman V,Monteiro LM,Almeida VP,Bobek VB,Heiden G,Takeda IJM,Khan IA

更新日期：2018-08-01 00:00:00

abstract：:In certain cases of infertility in domestic species, and in the homozygous c-ros tyrosine kinase knockout mouse, males are infertile as a result of unopposed sperm swelling. This induces flagellar angulation, preventing their normal migration in the female tract. Angulation always occurs at the site of the cytoplasmic...

journal_title：Microscopy research and technique

authors： Cooper TG,Yeung CH

更新日期：2003-05-01 00:00:00

abstract：:The anatomical substrate for coordinated release from the dispersed gonadotropin-releasing hormone (GnRH) neuronal population remains obscure. There is physiological evidence that the GnRH hormone itself has a role in tonic inhibition or modulation of GnRH function. This has led to the hypothesis that there is an ultr...

journal_title：Microscopy research and technique

authors： Witkin JW

更新日期：1999-01-01 00:00:00

abstract：:Puffers show good drag reduction performance during migration. It is worth noting that spines which are different from ordinary fish scales are densely distributed on the puffer skin. Here, the special morphological structure of puffer spines was observed using microscopy techniques, accurate contour models were estab...

journal_title：Microscopy research and technique

authors： Zhou H,Liu C,Tian G,Feng X,Jia C

更新日期：2020-07-01 00:00:00

abstract：:The ultrastructural characteristics of peptidergic peripheral contacts in the snail, Helix pomatia, were investigated, with special attention to the innervation of the heart, buccal mass, and salivary gland by Mytilus inhibitory peptide-immunoreactive neurons. Following the application of correlative light- and electr...

journal_title：Microscopy research and technique

authors： Elekes K

更新日期：2000-06-15 00:00:00

abstract：:Nowadays the processes of crossing of different mammalian species are well characterized in light of genetics, and possibility of reproduction. Generally, lack detailed studies on changes in anatomy and histology of internal systems of hybrids. Bison bonasus hybrid is an interspecific species between the bull of Europ...

journal_title：Microscopy research and technique

authors： Plewa B,Jackowiak H

更新日期：2020-10-01 00:00:00

abstract：:Choroid plexus (CP) is an important target organ for polypeptides. The fenestrated phenotype of choroidal endothelium facilitates the penetration of blood-borne polypeptides across the capillary walls. Thus, both circulating and cerebrospinal fluid (CSF)-borne polypeptides can reach their receptors on choroidal epithe...

journal_title：Microscopy research and technique

authors： Chodobski A,Szmydynger-Chodobska J

更新日期：2001-01-01 00:00:00

abstract：:An understanding of the internal morphology of the ant mandible is important in explaining the relationship between the exocrine system and the behavioral and phylogenetic characteristics of different subfamilies of Formicidae. In this study, we investigated the occurrence of intramandibular glands in ants from the Po...

journal_title：Microscopy research and technique

authors： Martins LC,Serrão JE

更新日期：2011-08-01 00:00:00

abstract：:The lateral mobility of membrane receptors provides insights into the molecular interactions of protein binding and the complex dynamic plasma membrane. The image mean square displacement (iMSD) analysis is a method used to extract qualitative and quantitative information of the protein diffusion law and infers how di...

journal_title：Microscopy research and technique

authors： Planes N,Vanderheyden PPML,Gratton E,Caballero-George C

更新日期：2020-04-01 00:00:00

abstract：:This study was performed to observe microstructures of the rat lung, using a synchrotron radiation beam and to compare findings with histological observations. X-ray refraction images from ex-vivo ventilating rat lung were obtained with an 8 KeV monochromatic beam and 20-mum thick CsI(Tl) scintillation crystal. The vi...

journal_title：Microscopy research and technique

authors： Jheon S,Youn HS,Kim HT,Choi GH,Kim JK

更新日期：2006-08-01 00:00:00

abstract：:Widespread implementation of prostate cancer screening has affected several epidemiologic features of the disease including incidence, tumor and patient characteristics, patterns of care and outcomes. Some of these changes have been interpreted as evidence of the success of PSA testing as a cancer control strategy. Da...

journal_title：Microscopy research and technique

authors： Mettlin C

更新日期：2000-12-01 00:00:00

abstract：:On continuing our studies on head and neck neoplasia, specimens from salivary gland tumors have been explored by using infrared microimaging spectroscopy to discern healthy from neoplastic tissues. Samples with Warthin tumor, epithelial displasia, marginal B-cell lymphoma, low-grade adenocarcinoma, and adenoid cystic ...

journal_title：Microscopy research and technique

authors： Conti C,Ferraris P,Garavaglia M,Giorgini E,Rubini C,Sabbatini S,Tosi G

更新日期：2009-02-01 00:00:00

abstract：:In yeast, peroxisomes are the site of specific catabolic pathways that characteristically include hydrogen peroxide producing oxidases and catalase. During the last 10 years, much progress has been made in unravelling the molecular mechanisms involved in the biogenesis of this organelle. At present, 23 different genes...

journal_title：Microscopy research and technique

authors： Veenhuis M,Salomons FA,Van Der Klei IJ

更新日期：2000-12-15 00:00:00