The optical density and topography characterizations of MWCNTs on Ni-Cu/ a-C:H substrates with different copper percentage.

abstract：:Low voltage electron microscopes working in transmission mode, like LVEM5 (Delong Instruments, Czech Republic) working at accelerating voltage 5 kV or scanning electron microscope working in transmission mode with accelerating voltage below 1 kV, require ultrathin sections with the thickness below 20 nm. Decreasing of...

journal_title：Microscopy research and technique

authors： Nebesářová J,Hozák P,Frank L,Štěpan P,Vancová M

更新日期：2016-06-01 00:00:00

abstract：:In mammals, the neurohypophysial hormone oxytocin (OT) is released into the bloodstream during labor and lactation to promote uterine contraction and milk ejection, respectively. Electrophysiological studies have established that OT neurons fire in brief, synchronized bursts during this release. During pregnancy and l...

journal_title：Microscopy research and technique

authors： Armstrong WE,Stern JE,Teruyama R

更新日期：2002-01-15 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：:Basement membranes (BMs) were first described in the mid-19th century, but they were not isolated and prepared for compositional studies until nearly 100 years later. Early methods of isolation were carried out on renal glomeruli, which were first sub-fractionated from kidney tissues by sieving. BMs were then isolated...

journal_title：Microscopy research and technique

authors： Carlson EC

更新日期：1994-06-15 00:00:00

abstract：:Numerous highly fluorescent macrophages (MPhi), designated "smoker cells," exist in the lungs of smokers and subjects who have quit smoking within 5 years. The brightly fluorescent MPhi, however, are not present in the lungs of never smokers. Some investigators have speculated that the intense fluorescence of the MPhi...

journal_title：Microscopy research and technique

authors： Pauly JL,Allison EM,Hurley EL,Nwogu CE,Wallace PK,Paszkiewicz GM

更新日期：2005-06-01 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：:This report describes osteoclastic bone resorption around intraosseous fixation screws in rat and pig mandibles. These screws supported distraction devices and provided for neutral fixation following the distraction period. Progressive clinical instability of bicortical screws and radiographic and histologic evidence ...

journal_title：Microscopy research and technique

authors： Schulten AJ,Zimmermann CE,Glowacki J

更新日期：2003-08-15 00:00:00

abstract：:Magnetotactic bacteria orient and migrate along geomagnetic field lines. Each cell contains membrane-enclosed, nano-scale, iron-mineral particles called magnetosomes that cause alignment of the cell in the geomagnetic field as the bacteria swim propelled by flagella. In this work we studied the ultrastructure of the f...

journal_title：Microscopy research and technique

authors： Silva KT,Abreu F,Almeida FP,Keim CN,Farina M,Lins U

更新日期：2007-01-01 00:00:00

abstract：:Currently, exploration of alternative energy resources is hotly debated among the scientific community owing to rising energy crises and environmental issues. Biodiesel, as renewable energy source proves to be a better option and substitute to petro diesel. In this regard, nonedible seeds could be a better feedstock f...

journal_title：Microscopy research and technique

authors： Munir M,Ahmad M,Waseem A,Zafar M,Saeed M,Wakeel A,Nazish M,Sultana S

更新日期：2019-07-01 00:00:00

abstract：:Human monocytic leukemia U937 cells readily undergo apoptosis when exposed to various stimuli, including inhibition of protein synthesis, oxidative stress, antitumoral agents, etc. The sequential, step-by-step morphological changes in U937 cells that occur during the apoptotic program are largely determined by the act...

journal_title：Microscopy research and technique

authors： Abbro L,Lanubile R,Dini L

更新日期：2004-05-01 00:00:00

abstract：:The purpose of this study is to determine the possible changes in the localization of the four Epidermal Growth Factor Receptors and three ligands in quail lungs from the first day of hatching until the 125th after hatching using immunohistochemical methods. Immunohistochemical results demonstrated that four EGFRs and...

journal_title：Microscopy research and technique

authors： Alan E,Lİman N,Sağsöz H

更新日期：2015-09-01 00:00:00

abstract：:The mechanical properties of healing ligaments and tendons are not comparable to those of normal tissue. To improve the quality of the ligament healing, therapeutic strategies include gene transfer or placement of mesenchymal stem cells at the healing site. Studies show that marker genes, growth factors, and antisense...

journal_title：Microscopy research and technique

authors： Hildebrand KA,Jia F,Woo SL

更新日期：2002-07-01 00:00:00

abstract：:The fine structure of human oogonia and growing oocytes has been reviewed in fetal and adult ovaries. Preovulatory maturation and the ultrastructure of stimulated oocytes from the germinal vesicle (GV) stage to metaphase II (MII) stage are also documented. Oogonia have large nuclei, scanty cytoplasm with complex mitoc...

journal_title：Microscopy research and technique

authors： Sathananthan AH,Selvaraj K,Girijashankar ML,Ganesh V,Selvaraj P,Trounson AO

更新日期：2006-06-01 00:00:00

abstract：:Several processing techniques of digital images allowed us to quantify the percentage of cell surface covered by microprojections (microvilli or microplicae) (SCM), the adhesion between epithelial cells by the parameter intercellular junctions (IJ), the size (cell area), shape (cell shape) and shade (cell shade) of ce...

journal_title：Microscopy research and technique

authors： Julio G,Merindano D,Canals M,Ralló M

更新日期：2010-10-01 00:00:00

abstract：:Term and preterm cervical ripening and dilatation have similarities with an inflammatory reaction. Since cell adhesion molecules are involved in this process, investigations on the expression of intercellular adhesion molecule-1, endothelial leukocyte adhesion molecule-1, vascular cell adhesion molecule-1, and platele...

journal_title：Microscopy research and technique

authors： Winkler M,Kemp B,Fischer DC,Ruck P,Rath W

更新日期：2003-03-01 00:00:00

abstract：:Progressive multifocal leukoencephalopathy is an important viral opportunistic infection of oligodendrocytes leading to direct demyelination. Virus is likely disseminated to the brain via the blood. However, the timing of that dissemination with relationship to clinical disease is unknown. Important clues about viral ...

journal_title：Microscopy research and technique

authors： Aksamit AJ Jr

更新日期：1995-11-01 00:00:00

abstract：:Detailed maps of the A-T distribution within human mitotic chromosomes labeled with BrdU are obtained with a high resolution scanning ion microprobe through the detection of bromine by imaging secondary ion mass spectrometry (SIMS). Corresponding maps of the emission loci of the molecular ion CN- describe the overall ...

journal_title：Microscopy research and technique

authors： Levi-Setti R,Chabala JM,Gavrilov K,Espinosa R 3rd,Le Beau MM

更新日期：1997-02-15 00:00:00

abstract：:A photochemical reaction was used to produce focal microcirculation disorders in the guinea pig cochlea. Temporal bones were removed at various intervals between 5 minutes and 1 month after infusion of rose bengal (RB) and illumination. Infused but unilluminated contralateral cochleae served as controls. Dissected coc...

journal_title：Microscopy research and technique

authors： Gao J,Hoshino T,Iwasaki S,Wu R

更新日期：1998-05-15 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：:Ultramicrotomy has found novel application in materials research using transmission electron microscopy, for both analytical and high resolution work. Specimens 20-50 nm in thickness with lateral dimensions of up to 100 microns may routinely be prepared, with the additional advantage of precise area location for cross...

journal_title：Microscopy research and technique

authors： Glanvill SR

更新日期：1995-07-01 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：:An overview of the morphological correlates of mammalian epidermal lipids and the cutaneous permeability barrier is provided. The following features are discussed: 1) ultrastructural characterization of the progressive lipid alterations accompanying normal stratum corneum (SC) formation; 2) effects of drugs/inhibitors...

journal_title：Microscopy research and technique

authors： Menon G,Ghadially R

更新日期：1997-05-01 00:00:00

abstract：:Tumor necrosis factor (TNF) exists in two bioactive forms, the membrane integrated form and the proteolytically derived soluble cytokine. Both forms of TNF are involved in a variety of different physiological and pathophysiological situations. Here we analyzed different human and mouse TNF-specific reagents for their ...

journal_title：Microscopy research and technique

authors： Gerspach J,Götz A,Zimmermann G,Kolle C,Böttinger H,Grell M

更新日期：2000-08-01 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：:As part of ongoing studies aimed at clarifying the early events of bone matrix deposition and mineralization, we have characterized primary osteoblast cultures using ultrastructural and immunocytochemical methods. Osteogenic cells were isolated by sequential enzymatic digestion of newborn rat (2-4-day-old) calvariae a...

journal_title：Microscopy research and technique

authors： Nanci A,Zalzal S,Gotoh Y,McKee MD

更新日期：1996-02-01 00:00:00

abstract：:Programmed cell death occurs in a variety of organs during amphibian metamorphosis and is usually identified by electron microscopy as apoptosis or its modifications. Because of the massive cell death that occurs during a short period, amphibian organs serve as an ideal model system for the study of mechanisms underly...

journal_title：Microscopy research and technique

authors： Ishizuya-Oka A

更新日期：1996-06-15 00:00:00

abstract：:Proliferative activity of tumors is strongly associated with prognosis and response to therapy. The reason for faster and uncontrolled growth rate of tumors compared with normal tissue may be caused by the greater proliferation of cells, the smaller rate of cell death, or both. Cell production vs. cell loss rates, and...

journal_title：Microscopy research and technique

authors： Cemerikić-Martinović V,Trpinac D,Ercegovac M

更新日期：1998-03-01 00:00:00

abstract：:In order to understand the interaction between dendritic cells (DCs) and helper T (Th) cells in the region exposed to antigens during pulmonary delayed-type hypersensitivity (DTH), which is considered to be mediated by Th1 cells, we immunohistochemically investigated their spatial relationship in the cellular infiltra...

journal_title：Microscopy research and technique

authors： Nishida T,Inoue K,Kawata Y,Suzuki H,Kinoshita H,Kaneda K

更新日期：2001-05-15 00:00:00

abstract：:In this study we report for the first time the localization of a photoreceptor pigment in the cilia of the colored heterotrich ciliates Blepharisma japonicum red and blue form, Fabrea salina, and Stentor coeruleus, as result of a confocal microscopy investigation. Optical sectioning confocal microscopy has been used f...

journal_title：Microscopy research and technique

authors： Colombetti G,Checcucci G,Lucia S,Usai C,Ramoino P,Bianchini P,Pesce M,Vicidomini G,Diaspro A

更新日期：2007-12-01 00:00:00

abstract：:Transgenic mice are valuable experimental models of human endocrine diseases. Targeted ablation of specific cell lineages or insertion of genes coding for releasing factors, hormones, growth factors, and oncogenes fused with appropriate promoters, or mutated genes, can induce several pituitary disorders. Various hypos...

journal_title：Microscopy research and technique

authors： Stefaneanu L,Kovacs K

更新日期：1997-10-15 00:00:00