Dynamic imaging of structural changes in silver catalysts by environmental scanning electron microscopy.

abstract：:Breast cancer is the most common cancer diagnosed among women. In this article, support vector machine is used to classify digital mammogram images into malignant and benign. Wiener filter is used to handle the possible quantum noise, which is more likely to occur in mammograms. Stack-based connected component method ...

journal_title：Microscopy research and technique

authors： Naveed N,Jaffar MA,Choi TS

更新日期：2011-11-01 00:00:00

abstract：:Tapping mode atomic force microscopy (AFM) provides phase images in addition to height and amplitude images. Although the behavior of tapping mode AFM has been investigated using mathematical modeling, comprehensive understanding of the behavior of tapping mode AFM still poses a significant challenge to the AFM commun...

journal_title：Microscopy research and technique

authors： Deng W,Zhang GM,Murphy MF,Lilley F,Harvey DM,Burton DR

更新日期：2015-10-01 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：:Transit from the nuclear complex to the cytoplasm through the nuclear pore complex permits modification of mRNA, including processing such as splicing, capping, and polyadenylation, etc. At each of these events, mRNA interacts with various proteins to form mRNA-protein complex. Visualizing the mRNA is crucial for unde...

journal_title：Microscopy research and technique

authors： Ma Q,Tatsuno T,Nakamura Y,Izumi SI,Tomosugi N,Ishigaki Y

更新日期：2019-06-01 00:00:00

abstract：:The effects of short-term genistein exposure on ovarian folliculogenesis in immature rats were examined stereologically. To determine whether genistein acts as an estrogen agonist or antagonist, the results were compared with the effects of 17α-ethynylestradiol. Immature female rats received 50 mg/kg/bw of genistein i...

journal_title：Microscopy research and technique

authors： Medigović I,Ristić N,Trifunović S,Manojlović-Stojanoski M,Milošević V,Zikić D,Nestorović N

更新日期：2012-12-01 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

abstract：:The applicability of the binomial frequency distribution is outlined for the analysis of the evolution nanoscale atomic clustering of dilute solute in an alloy subject to thermal ageing in 3D atom probe data. The conventional chi(2) statistics and significance testing are demonstrated to be inappropriate for compariso...

journal_title：Microscopy research and technique

authors： Moody MP,Stephenson LT,Ceguerra AV,Ringer SP

更新日期：2008-07-01 00:00:00

abstract：:We present de novo studies and review published efforts from our laboratory, spanning 12 years (from 1988 to 2000), where we have used ultrastructural approaches to study the functional anatomy of the microvasculature in man and animals in health and disease. These efforts have defined a new endothelial cell organelle...

journal_title：Microscopy research and technique

authors： Feng D,Nagy JA,Dvorak HF,Dvorak AM

更新日期：2002-06-01 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：:The dynamic transmission electron microscope (DTEM) is introduced as a novel tool for in situ processing of materials. Examples of various types of dynamic studies outline the advantages and differences of laser-based heating in the DTEM in comparison to conventional (resistive) heating in situ TEM methods. We demonst...

journal_title：Microscopy research and technique

authors： Taheri ML,Lagrange T,Reed BW,Armstrong MR,Campbell GH,DeHope WJ,Kim JS,King WE,Masiel DJ,Browning ND

更新日期：2009-03-01 00:00:00

abstract：:Several studies support the role of Western-style diet (WD) in inflammatory bowel disease (IBD). Toll-like receptors/NOD-like receptors (TLRs/NLRs) are important to maintain a healthy epithelium as well as inducing inflammation. Given that dietary factors influence IBD development, that epithelial dysfunction is thoug...

journal_title：Microscopy research and technique

authors： Sardi C,Luchini P,Emanuelli A,Giannoni A,Martini E,Manara LM,Sfondrini L,Kallikourdis M,Sommariva M,Rumio C

更新日期：2017-06-01 00:00:00

abstract：:Growth rings were used to determine the root age of medicinal Paeonia lactiflora from four producing areas, and their corresponding paeoniflorin content were measured based on the identification of ages. Different P. lactiflora root samples of different ages were collected from the four major growing areas in China: B...

journal_title：Microscopy research and technique

authors： Zha LP,Cheng ME,Peng HS

更新日期：2012-09-01 00:00:00

abstract：:The visual system of insects provides an excellent model to study processes of transduction and transmission of photic information, synaptogenesis, synaptic plasticity, and wiring between photoreceptors and their visual interneurons in the optic lobe. This review describes synaptic contacts between photoreceptors and ...

journal_title：Microscopy research and technique

authors： Pyza E

更新日期：2002-08-15 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：:Acquisition of a great number of energy-filtered images in a TEM (EFTEM) around the characteristic signal with a low energy-selecting slit allows display of the electron energy loss (EEL)-spectrum of regions of interest (ROIs) of a sample. These EEL-spectra can be submitted to the different treatments already in use f...

journal_title：Microscopy research and technique

authors： Quintana C,Lechaire JP,Bonnet N,Risco C,Carrascosa JL

更新日期：2001-04-15 00:00:00

abstract：:The subcellular behavior of aluminum and indium, used in medical and industrial fields, was studied in the gastric mucosa and the liver after their intragastric administration to rats, using, two of the most sensitive methods of observation and microanalysis, the transmission electron microscopy, and the secondary ion...

journal_title：Microscopy research and technique

authors： Maghraoui S,Ayadi A,Audinot JN,Ben Ammar A,Jaafoura MH,El Hili A,Migeon HN,Tekaya L

更新日期：2012-02-01 00:00:00

abstract：:To evaluate the performance degradation of fabric drying in domestic air-vented dryer, the appearance, mechanical, and microscopic properties of the wool fabric after different drying cycles were studied. Pilling and dimensional stability tests were performed according to established international standards. Microscop...

journal_title：Microscopy research and technique

authors： Wei Y,Wang X,Su Z,Ding X

更新日期：2017-08-01 00:00:00

abstract：:We report on a novel laser source, emitting high energy (20 nanoJoule) femtosecond pulses, in a broad spectrum (250 nm). This source is easily tuned from 950 to 1200 nm, without any laser adjustment, and delivers sub-300 femtosecond pulses with a 10-nm spectral width. ...

journal_title：Microscopy research and technique

authors： Deguil N,Mottay E,Salin F,Legros P,Choquet D

更新日期：2004-01-01 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

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：:Complicated stages of diabetes are the major cause of Diabetic Retinopathy (DR) and no symptoms appear at the initial stage of DR. At the early stage diagnosis of DR, screening and treatment may reduce vision harm. In this work, an automated technique is applied for detection and classification of DR. A local contrast...

journal_title：Microscopy research and technique

authors： Amin J,Sharif M,Rehman A,Raza M,Mufti MR

更新日期：2018-09-01 00:00:00

abstract：:Cell-free extracts of Xenopus eggs were used to investigate how differing lamin sub-types are incorporated into a lamina and how lamina composition influences DNA replication. Purified recombinant human lamin A (HlaminA) was inoculated into egg extracts, which support in vitro nuclear assembly. The route of incorporat...

journal_title：Microscopy research and technique

authors： Dyer JA,Lane BE,Hutchison CJ

更新日期：1999-04-01 00:00:00

abstract：:Macro and microdissection methods, conventional histology and immunohistochemical procedures were used to investigate the nasal cavity and turbinate complex in fetal and adult sheep, with special attention to the ethmoturbinates, the vestibular mucosa, and the septal mucosa posterior to the vomeronasal organ. The ecto...

journal_title：Microscopy research and technique

authors： Barrios AW,Sanchez Quinteiro P,Salazar I

更新日期：2014-12-01 00:00:00

abstract：:Myotonic dystrophy (DM) is an inherited multisystem disorder characterized by the presence of a high polymorphic expansion of trinucleotide (CTG) repeat in the 3' untranslated region of the DM protein kinase (DMPK) gene. However, the role of myotonic dystrophy protein kinase (DMPK) has yet to be elucidated. Studies ai...

journal_title：Microscopy research and technique

authors： Schiavon G,Furlan S,Marin O,Salvatori S

更新日期：2002-09-01 00:00:00

abstract：:Assessment of HER2/neu oncogene has been used as both a prognostic and predictive marker for breast cancer. However, the choice of the best method to assess the status of HER2/neu oncogene in breast cancer tissue remains controversial. A variety of techniques are available to detect HER2/neu gene amplification and ove...

journal_title：Microscopy research and technique

authors： Masood S,Bui MM

更新日期：2002-10-15 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：:Isoform diversity in striated muscle is largely controlled at the level of transcription. In this review we will concentrate on studies concerning transcriptional regulation of the alkali myosin light chain 1F/3F gene. Uncoupled activity of the MLC1F and 3F promoters, together with complex patterns of transcription in...

journal_title：Microscopy research and technique

authors： Kelly RG,Buckingham ME

更新日期：2000-09-15 00:00:00

abstract：:This present study is the first report on the detailed foliar epidermal anatomy and micromorphology of seeds of five species of Vitaceae from Pakistan using light microscopy (LM) and scanning electron microscopy (SEM). The studied species occur at various localities particularly higher altitude. Qualitative and quanti...

journal_title：Microscopy research and technique

authors： Lubna,Zafar M,Ahmad M,Shaheen S,Sultana S,Rehman SU,Amina H

更新日期：2019-04-01 00:00:00

abstract：:The synaptic organization of the amphibian sympathetic ganglia was studied, especially in the last two abdominal paravertebral ganglia of the frog. These ganglia appear to form a monosynaptic relay, not containing interneurons. They consist of two systems working in parallel: the principal neurons, by far the most num...

journal_title：Microscopy research and technique

authors： Lascar G,Eugene D,Taxi J

更新日期：1996-10-01 00:00:00

abstract：:The main purpose of this study was to compare the cyclic fatigue resistances of the three different nickel-titanium files in 2.5% sodium hypochlorite solution and distilled water at physiologic intracanal temperature (35°C). Three NiTi files such as One Curve (OC) (Micro-Mega, Besancon, France), OneShape (OS) (Micro-M...

journal_title：Microscopy research and technique

authors： Ertuğrul İF

更新日期：2019-12-01 00:00:00