Cytotoxic effects of Satureja montana L. essential oil on oocytes of engorged Rhipicephalus microplus female ticks (Acari: Ixodidae).

abstract：:Transmission X-ray microscopy (TXM) is a rapidly developing technique with the capability of nanoscale three dimensional (3D) real-space imaging. Combined with the wide range in energy tunability from synchrotron sources, TXM enables the retrieval of 3D microstructural information with elemental/chemical sensitivity t...

journal_title：Microscopy research and technique

authors： Kao TL,Shi CY,Wang J,Mao WL,Liu Y,Yang W

更新日期：2013-11-01 00:00:00

abstract：:Scanning electron microscope images of complete and damaged frustules of Nitzschia marina Grun. revealed an unusual chambered structure of the valve. This structure is not present in any existing nitzschioid genus and warrants an independent generic status for this taxon, which is therefore separated into Alveus gen. ...

journal_title：Microscopy research and technique

authors： Kaczmarska I,Fryxell GA

更新日期：1996-01-01 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 objectives were to develop method of isolating viable human limbal basal cells in order to enrich a subset of small cells with a large Nucleus/Cytoplasm (N/C) ratio expressing high levels of p63, nuclear protein. Limbal tissues were treated with trypsin for 50 min at 37 degrees C in an orbital shaker at 100 rpm wi...

journal_title：Microscopy research and technique

authors： Arpitha P,Prajna NV,Srinivasan M,Muthukkaruppan V

更新日期：2008-06-01 00:00:00

abstract：:Central to the control of vascular resistance in the systemic and pulmonary circulation and at the solid organ level is the function of the endothelial-derived vasomediators, endothelin-1 (ET-1) and nitric oxide. Regulation of steady-state levels of ET-1 and endothelial nitric oxide synthase (eNOS) mRNAs represents an...

journal_title：Microscopy research and technique

authors： Mawji IA,Marsden PA

更新日期：2003-01-01 00:00:00

abstract：:All termite species (Isoptera) are eusocial. These insects live in societies where the division of labor is a predominant characteristic, conditioned by the presence of castes with different morphology, ontogeny, and development. The soldier caste is unique among social insects and it is responsible for colony defense...

journal_title：Microscopy research and technique

authors： Santos CA,Costa-Leonardo AM

更新日期：2006-11-01 00:00:00

abstract：:Ion transport mediated by osmotically induced chloride channels in HT29 cells was investigated by X-ray microanalysis of cell cultures. The cells were cultured on cellulose nitrate filters, and exposed to isotonic, hypotonic, or hypertonic solutions. Then the NaCl-rich medium was removed by rinsing the cells with a wa...

journal_title：Microscopy research and technique

authors： Zhang W,Roomans GM

更新日期：1998-01-01 00:00:00

abstract：:The morphology of pancreatic excretory duct segments was reviewed in mammals. The fine structure of the epithelial lining was described in intercalated ducts, intra- and extralobular ducts, and in major pancreatic ducts. Morphological characteristics of the various cell types comprising to the duct epithelium were det...

journal_title：Microscopy research and technique

authors： Egerbacher M,Böck P

更新日期：1997-06-01 00:00:00

abstract：:Twelve substrains of inbred senescence-accelerated mice (SAM) have been developed, among which the SAMP8 and SAMP10 strains show a significant age-related deterioration in learning and memory for passive and active avoidance tasks. These strains have, respectively, a low and high incidence of systemic senile amyloidos...

journal_title：Microscopy research and technique

authors： Kawamata T,Akiguchi I,Maeda K,Tanaka C,Higuchi K,Hosokawa M,Takeda T

更新日期：1998-10-01 00:00:00

abstract：:The effects of crystal and beam tilt on high-resolution transmission electron microscope (HRTEM) images of planar coherent interfaces were investigated by multislice image simulations. It was found that a beam tilt of 0.5 Bragg angle (theta B) was sufficient to introduce detrimental artifacts into most images of inter...

journal_title：Microscopy research and technique

authors： Howe JM,Rozeveld SJ

更新日期：1992-11-01 00:00:00

abstract：:We present a microscopic investigation of nanocomposite films of iron oxide (γ-Fe(2)O(3)) magnetic nanowires (NWs) aligned into polymers, formed upon evaporation of solutions of acrylate polymer/magnetic nanoparticles under magnetic field (MF). The field causes the assembly of the γ-Fe(2)O(3) nanoparticles along the d...

journal_title：Microscopy research and technique

authors： Fragouli D,Torre B,Bertoni G,Buonsanti R,Cingolani R,Athanassiou A

更新日期：2010-10-01 00:00:00

abstract：:Apanteles cypris is an endoparasitoid of rice pest Cnaphalocrocis medinalis. To better understand its host location mechanism, we examined the external morphology of antennal sensilla of A. cypris via scanning electron microscopy. The antennae of male and female A. cypris were filiform in shape, which consist of scape...

journal_title：Microscopy research and technique

authors： Zhou H,Wu WJ,Zhnag ZF,Zhnag Y

更新日期：2011-12-01 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：:There is increasing evidence for the important role played by regulatory peptides in the physiology of the normal and neoplastic prostate. Adrenomedullin (AM) and pro-adrenomedullin N-terminal 20 peptide (PAMP) are recently discovered regulatory peptides widely expressed in the normal prostate and in prostate carcinom...

journal_title：Microscopy research and technique

authors： Calvo A,Abasolo I,Jiménez N,Wang Z,Montuenga L

更新日期：2002-04-15 00:00:00

abstract：:The present study investigated the regenerative potential of connective tissues harvested from two palatal areas widely used as donor sites for muco-gingival surgical approaches. Connective tissue grafts (CTGs) were obtained by de-epithelialisation of a free gingival graft (deCTG) and by a split flap approach from a p...

journal_title：Microscopy research and technique

authors： Pall E,Cenariu M,Kasaj A,Florea A,Soancă A,Roman A,Georgiu C

更新日期：2017-12-01 00:00:00

abstract：:This review article focuses on the ontogeny and the regulatory mechanisms involved in the modulation of the intracellular events governing the assembly and delivery of lipoproteins in human gut. The human fetal intestine organizes villi covered with well-differentiated enterocytes during the end of the first trimester...

journal_title：Microscopy research and technique

authors： Levy E,Ménard D

更新日期：2000-05-15 00:00:00

abstract：:Hybrid materials of polyacrylamide networks and gold nanoparticles were prepared by directly heating an aqueous solution containing HAuCl(4), acrylamide, N,N'-methylenebis-acrylamide, and sodium sulfite (Na(2)SO(3)). Acrylamide, N,N'-methylenebis-acrylamide, and Na(2)SO(3) were used as monomers, crosslinking agent, an...

journal_title：Microscopy research and technique

authors： Song Y,Li Z,Wang L,Yao Y,Chen C,Cui K

更新日期：2008-06-01 00:00:00

abstract：:The imaging and characterization of dislocations is commonly carried out by thin foil transmission electron microscopy (TEM) using diffraction contrast imaging. However, the thin foil approach is limited by difficult sample preparation, thin foil artifacts, relatively small viewable areas, and constraints on carrying ...

journal_title：Microscopy research and technique

authors： Crimp MA

更新日期：2006-05-01 00:00:00

abstract：:In the Oriental hornet Vespa orientalis (Hymenoptera, Vespinae), there is on the dorsal side of the thorax, beneath the mesoscutum plate of the prothorax and around the median notal suture, a lump that, in the course of hornet activity, is warmer by 9 degrees C from the surrounding milieu and by up to 6 degrees C from...

journal_title：Microscopy research and technique

authors： Plotkin M,Ermakov NY,Volynchik S,Barkay Z,Bergman DJ,Ishay JS

更新日期：2005-12-15 00:00:00

abstract：:Focused ion beam (FIB) techniques are among the most important tools for the nanostructuring of surfaces. We used the FIB/SEM (scanning electron microscope) for milling and imaging of digestive gland cells. The aim of our study was to document the interactions of FIB with the surface of the biological sample during FI...

journal_title：Microscopy research and technique

authors： Drobne D,Milani M,Leser V,Tatti F

更新日期：2007-10-01 00:00:00

abstract：:Various types of mirror lenses were developed some decades ago designed for several special tasks in microscopy. When compared with high-end glass lenses, mirror lenses lead to an extraordinary image quality because of their supraapochromatic color fidelity and their high planarity; the working distances are significa...

journal_title：Microscopy research and technique

authors： Piper J

更新日期：2010-07-01 00:00:00

abstract：:The aim of this study was to make a comparative evaluation of the surface topography of the cervical third and tip of four different rotary systems, before and after being used 12 times, in resin blocks with simulated root canals with standardized 45° curvatures, and analyzed by scanning electronic microscopy (SEM). A...

journal_title：Microscopy research and technique

authors： Yamazaki-Arasaki AK,Cabrales RJ,Kleine BM,Araki AT,Dos Santos M,Prokopowitsch I

更新日期：2013-01-01 00:00:00

abstract：:The aim of the study is to examine and compare the effects of various inhaled asthma medications (IAMs) on the surface roughness of dental restorative materials (DRMs). In total, 192 samples were prepared including 32 samples for the each material group from six different DRMs [Nanohybrid composite (Filtek Z550), Nano...

journal_title：Microscopy research and technique

authors： Candan M,Ünal M

更新日期：2021-02-01 00:00:00

abstract：:This study investigated the relationship between enteroendocrine and mucus-secreting cells distribution, the severity of colonic mucosal injury and intestinal motility in experimental colorectal carcinogenesis. Using a standardized murine model of colorectal carcinogenesis, eight-weeks-old female Wistar rats weighting...

journal_title：Microscopy research and technique

authors： Novaes RD,Sequetto PL,Vilela Gonçalves R,Cupertino MC,Santos EC,Mello VJ,Araújo MR,Silva E,Oliveira TT

更新日期：2016-01-01 00:00:00

abstract：:Directed growth cone movement is crucial for the correct wiring of the nervous system. This movement is governed by the concerted actions of cell surface receptors, signaling proteins, cytoskeleton-associated molecules, and molecular motors. In order to investigate the molecular basis of growth cone motility, we appli...

journal_title：Microscopy research and technique

authors： Buchstaller A,Jay DG

更新日期：2000-01-15 00:00:00

abstract：:Aluminum-lithium alloy is regarded as the most promising light material in the aircraft and aerospace industries. For the production of complex and high-precision parts, the hot forming with synchronous quenching (HFSQ) process has become an effective and attractive forming method. In order to achieve the performance ...

journal_title：Microscopy research and technique

authors： Zhang P,Chen MH,Chen W,Zhang SH,Xu Y

更新日期：2021-02-01 00:00:00

abstract：:The morphological development of the vomeronasal organ (VNO) and accessory olfactory bulb (AOB) of the sheep from anlage to birth were studied by classical and histochemical methods using embryos and fetuses obtained from an abattoir with ages estimated from crown-to-rump length. Both VNO and AOB developed in a biolog...

journal_title：Microscopy research and technique

authors： Salazar I,Lombardero M,Alemañ N,Sánchez Quinteiro P

更新日期：2003-08-01 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：:The mammalian zona pellucida (ZP) is an extracellular matrix surrounding oocytes and early embryos, which is critical for normal fertilization and preimplantation development. It is made up of three/four glycoproteins arranged in a delicate filamentous matrix. Scanning electron microscopy (SEM) studies have shown that...

journal_title：Microscopy research and technique

authors： Familiari G,Relucenti M,Heyn R,Micara G,Correr S

更新日期：2006-06-01 00:00:00

abstract：:The research was performed to investigate pollen morphology of endangered species of Capparidaceae in subtropical regions of Pakistan. The distinguishing characters were investigated by using light microscope and scanning electron microscope. Palynological study is comprised of pollen shape, pollen type, exine sculptu...

journal_title：Microscopy research and technique

authors： Mir S,Ahmad M,Khan MA,Zafar M,Jahan S,Sultana S,Jabeen M,Majeed S

更新日期：2019-09-01 00:00:00