One-step preparation of hybrid materials of polyacrylamide networks and gold nanoparticles.

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：:Ascidian embryos are useful for examining how events that occur during fertilization and cleavage affect gastrulation because they gastrulate early in development, during the seventh cleavage. In ascidians, both dorsal-ventral and anterior-posterior axes are determined before first cleavage. The dorsal-ventral axis is...

journal_title：Microscopy research and technique

authors： Swalla BJ

更新日期：1993-11-01 00:00:00

abstract：:Transmission electron microscopy (TEM) is the main tool for exploring the intracellular damage and organelle distribution. The cause of producing embryo cytoplsamic fragmentation is not completely understood. Since the fragments have detrimental effects on embryo development, the ultrastructural analysis of fragments ...

journal_title：Microscopy research and technique

authors： Halvaei I,Khalili MA,Nottola SA

更新日期：2016-06-01 00:00:00

abstract：:Broiler chicken and laying hen livers were fixed using a simple technique of in situ puncture perfusion of cacodylate-buffered fixative, which allowed characterisation of the fine structure of hepatic parenchyma, hepatocytes, bile ductules, and, in particular, the sinusoidal cells including endothelial, Kupffer, and I...

journal_title：Microscopy research and technique

authors： Ghoddusi M,Kelly WR

更新日期：2004-09-01 00:00:00

abstract：:In addition to pesticidal activity, the capacity of natural compounds to inhibit the reproduction of parasites emerge as an important alternative tick control method. In this context, Satureja spp. stand out due to their recognized pesticidal properties. Among parasites of veterinary importance, the cattle tick, Rhipi...

journal_title：Microscopy research and technique

authors： Reis AC,Konig IFM,Rezende DACS,Gonçalves RRP,Lunguinho ADS,Ribeiro JCS,Cardoso MDG,Remedio RN

更新日期：2021-01-06 00:00:00

abstract：:This study was carried out to identify 20 high valued medicinal plants of District Lahore, Punjab, Pakistan with the help of the palynological studies. The distinguishing characteristics for selected species were found by systematized methods using light microscopy and Scanning Electron Microscopy. In this study, impo...

journal_title：Microscopy research and technique

authors： Shaheen S,Jaffer M,Khan F,Hussain K,Hanif U,Younis S,Ilyas S,Ishtiaq S

更新日期：2018-12-01 00:00:00

abstract：:Intramandibular glands have been poorly studied in polymorphic ants, where the differences between castes were unsufficiently scrutinized. Leaf-cutting ants possess one of the most complex systems of communication and labor division, which is polymorphic well as age polyethism, and makes them an ideal model for the st...

journal_title：Microscopy research and technique

authors： Martins LC,Della Lucia TM,Gonçalves WG,Delabie JH,Zanuncio JC,Serrão JE

更新日期：2015-07-01 00:00:00

abstract：:Superior cervical ganglion neurons (SCGNs) were isolated from 7-day-old rat SCG and cultured in MEM containing horse serum, fetal calf serum, and nerve growth factor. In this culture condition, it is well known that the SCGNs form cholinergic synapse. In 3-4 weeks cultured neurons, immunofluorescent staining for synap...

journal_title：Microscopy research and technique

authors： Mochida S,Nonomura Y,Kobayashi H

更新日期：1994-10-01 00:00:00

abstract：:We present a new beam-shaping technique for two-color excitation fluorescence microscopy. We show that by simply inserting a properly designed shaded-ring filter in the illumination beam of smaller wavelength, it is possible to improve the effective optical sectioning capacity of such microscopes by 23%. Such an impro...

journal_title：Microscopy research and technique

authors： Ibáñez-López C,Escobar I,Saavedra G,Martínez-Corral M

更新日期：2004-06-01 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：: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：:This research aimed to obtain the depth dependence of polymerization contraction and microporosity from irradiated dental resin cements by X-ray computed microtomography (μCT). Samples (n = 5) of commercial Relyx U200 (RU) and AllCem Core (AC) dual-cure resin cements were injected in a cylindrical Teflon sampler (25 m...

journal_title：Microscopy research and technique

authors： Gheller R,Burey A,Vicentin BLS,Dos Reis PJ,Appoloni CR,Garbelini CCD,Hoeppner MG

更新日期：2020-06-01 00:00:00

abstract：:Non-alcoholic fatty liver disease (NAFLD) is a clinical-pathological syndrome that includes a wide spectrum of morphological alterations. In research, animal models are crucial in evaluating not only the pathogenesis of NAFLD and its progression, but also the therapeutic effects of various agents. Investigations on th...

journal_title：Microscopy research and technique

authors： Solinas P,Isola M,Lilliu MA,Conti G,Civolani A,Demelia L,Loy F,Isola R

更新日期：2014-10-01 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：:In this paper we report the effect of noble gas ions bombardment on the degradation of atomically flat Si(111) surfaces at room and high (400 degrees C-600 degrees C) temperatures. Reflection high energy electron diffraction (RHEED) and reflection electron microscopy (REM) have been used to characterize the topography...

journal_title：Microscopy research and technique

authors： Claverie A,Beauvillain J,Fauré J,Vieu C,Jouffrey B

更新日期：1992-02-15 00:00:00

abstract：:This paper summarizes the essential features of the various facilities dedicated to in situ irradiation effects research around the world at the present time, mentions some essential techniques that are involved in this type of research, and describes very briefly some examples of studies employing these facilities an...

journal_title：Microscopy research and technique

authors： Allen CW,Ryan EA

更新日期：1998-08-15 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：:A major challenge when performing scanning electron microscopy and X-ray analysis on many ceramic materials is their electrical insulation properties, which leads to buildup of the surface charge and reduced contrast in the secondary electron image. A new procedure was established to quantitatively determine the neutr...

journal_title：Microscopy research and technique

authors： Wang Y,Kong M,Khan M,Zhang J,Lin C,Zeng Y

更新日期：2018-10-01 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：:The photoreceptor population in Xenopus consists of a green-sensitive rod (lambda(max) = 523 nm), a blue-sensitive rod (lambda(max) = 445 nm) and three classes of cone. The largest cone is red-sensitive (lambda(max) = 611 nm). The intermediate cone is presumed to be blue-sensitive based on physiological criteria, wher...

journal_title：Microscopy research and technique

authors： Witkovsky P

更新日期：2000-09-01 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：:Number of molecules and Brightness (N&B) has been proposed for measuring the molecular brightness and number of fluorophores in time-sequence of images, in live cells. If the fluorescently tagged-proteins are mobile in the illumination volume, the stoichiometry of their oligomers can be derived from the increase of th...

journal_title：Microscopy research and technique

authors： Trullo A,Corti V,Arza E,Caiolfa VR,Zamai M

更新日期：2013-11-01 00:00:00

abstract：:Oxygen-annealed surfaces of sapphire with low Miller indices ((0001), [1010], [1120], [1011]) have been studied in both transmission electron microscopy (TEM) and reflection electron microscopy (REM) configurations. The significance of REM diffraction conditions for the determination of the nature of the step heights ...

journal_title：Microscopy research and technique

authors： Ndubuisi GC,Liu J,Cowley JM

更新日期：1992-03-01 00:00:00

abstract：:Atomic force microscope (AFM) has been widely used in the biological field owing to its high sensitivity (subnanonewton), high spatial resolution (nanometer), and adaptability to physiological environments. Nowadays, force volume (FV) and peakforce quantitative nanomechanical (QNM) are two distinct modes of AFM used i...

journal_title：Microscopy research and technique

authors： Yang Y,Xiao X,Peng Y,Yang C,Wu S,Liu Y,Yue T,Pu H,Liu N,Jiang H

更新日期：2019-11-01 00:00:00

abstract：:The construction of the liver parenchyma throughout fetal development depends on the elaboration of intercellular contacts between epithelial cells and between epithelial and mesenchymal cells. During this time, the spatial distribution of cytokeratins in hepatocytes shows a striking evolution as demonstrated by confo...

journal_title：Microscopy research and technique

authors： Vassy J,Irinopoulou T,Beil M,Rigaut JP

更新日期：1997-12-01 00:00:00

abstract：:Nowadays, infertility is no longer considered as an unsolvable disorder due to progresses in germ cells derived from stem lineage with diverse origins. Technical and ethical challenges push researchers to investigate various tissue sources to approach more efficient gametes. The purpose of the current study is to inve...

journal_title：Microscopy research and technique

authors： Shirzeyli MH,Khanlarkhani N,Amidi F,Shirzeyli FH,Aval FS,Sobhani A

更新日期：2017-11-01 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：: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：:We compared physiological and ultrastructural indices of acute lung injury (ALI) during septic shock caused by taxonomically diverse pathogens to distinguish ALI due to endogenous inflammatory mediators vs. microbial exotoxins or other factors. Conscious rats were infected i.v. with gram-negative Escherichia coli (EC,...

journal_title：Microscopy research and technique

authors： Lechner AJ,Ryerse JS,Matuschak GM

更新日期：1993-12-01 00:00:00

abstract：:Fipronil, active ingredient of Frontline® acaricide, is a phenyl-pyrazolic derivative, and its efficacy in the elimination of several plagues, even in lower concentrations, has already been demonstrated; however, its effect on nontarget organisms has not been thoroughly explained. In this sense, the present study had ...

journal_title：Microscopy research and technique

authors： Ferreira M,De Oliveira PR,Denardi SE,Bechara GH,Mathias MI

更新日期：2012-03-01 00:00:00