Structure, assembly, and dynamics of actin filaments in situ and in vitro.

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：:When 20-day-old rats are placed on a vitamin A deficient diet (VAD) for a period of 10 weeks, the seminiferous tubules are found to contain only Sertoli cells, a few residual A0, A1 spermatogonia, and preleptotene spermatocytes (PL). The type A1 spermatogonia and PL spermatocytes are arrested in their G2 phase. In VAD...

journal_title：Microscopy research and technique

authors： Ismail N,Morales CR

更新日期：1992-01-01 00:00:00

abstract：PURPOSE:To evaluate the influence of irrigation protocols and drying procedures on the bond strength of two methacrylate-based sealers to dentin and the associated failure pattern using scanning electron microscopy (SEM). MATERIALS AND METHODS:Fifty single-rooted human teeth were prepared with an irrigation protocol u...

journal_title：Microscopy research and technique

authors： Fuzinatto RN,Farina AP,Souza MA,Miyagaki DC,Randi Ferraz CC,Cecchin D

更新日期：2017-06-01 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：:The opossum Monodelphis domestica presents movement of the temporomandibular joint (TMJ) reflecting adaptation to eating habits similar to movement in humans, but the structure of the TMJ is not yet known. Thus, nine young M. domestica, of both sexes were weighed, anesthetized with xylazine (10 mg kg(-1) ), and ketami...

journal_title：Microscopy research and technique

authors： Minucci MS,Issa JP,Yokoyama FY,Dias FJ,Iyomasa DM,Guimarães EA,Watanabe IS,Iyomasa MM

更新日期：2016-09-01 00:00:00

abstract：:Microscopic magnetic resonance imaging (µMRI) T2 data from canine cartilage at different tibial locations were analyzed to investigate the influences of spatial resolution and pixel position on the T2 sensitivity to osteoarthritis (OA). Five experimental factors were investigated: inaccurate pixel position, different ...

journal_title：Microscopy research and technique

authors： Zhuang Z,Lee JH,Badar F,Xu J,Xia Y

更新日期：2016-08-01 00:00:00

abstract：:Pituitary-derived factors, including ACTH, have been widely implicated in initiating adrenal regeneration. However, recent work has demonstrated that adrenal regeneration is also modulated by adrenal nerves that extensively reinnervate the regenerating adrenal. Moreover, transection of the splanchnic nerve removes sen...

journal_title：Microscopy research and technique

authors： Ulrich-Lai YM,Fraticelli AI,Engeland WC

更新日期：2003-06-15 00:00:00

abstract：:Morphological parameters and renal flow were assessed and measured in six clinically healthy dogs with negative serological and parasitological examinations for canine visceral leishmaniasis (CVL) and six dogs with CVL-positive serological and parasitological tests and asymptomatic condition of the disease. Kidney len...

journal_title：Microscopy research and technique

authors： Baltazar PI,Da Silva Moura L,Pessoa GT,De Sá Rodrigues RP,Sanches MP,Das Neves Diniz A,Das Chagas Araújo Sousa F,Guerra PC,Neves WC,Giglio RF,De Jesus Rosa Pereira Alves J,De Assis Leite Souza F,Braga JF,Alves FR

更新日期：2016-07-01 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：:Changes in physicochemical properties of the human hair shaft induced by UVB during the summer climate were investigated. Using atomic force microscopy and thermogravimetric analyzer measurements, we investigated the changes in hair shaft physical properties including morphology, roughness, and water content. The chan...

journal_title：Microscopy research and technique

authors： Kim KS,Shin MK,Park HK

更新日期：2012-07-01 00:00:00

abstract：:Retina is the interior part of human's eye, has a vital role in vision. The digital image captured by fundus camera is very useful to analyze the abnormalities in retina especially in retinal blood vessels. To get information of blood vessels through fundus retinal image, a precise and accurate vessels segmentation im...

journal_title：Microscopy research and technique

authors： Akbar S,Sharif M,Akram MU,Saba T,Mahmood T,Kolivand M

更新日期：2019-02-01 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：:Human adipose derived stem cells have shown chondrogenic differentiation potential in cartilage tissue engineering in combination with biomimetic materials. In this study, the chondrogenic potential of a porous gelatin based scaffold genipin (GNP) crosslinked was investigated in human mesenchymal stem cells obtained f...

journal_title：Microscopy research and technique

authors： Focaroli S,Teti G,Salvatore V,Durante S,Belmonte MM,Giardino R,Mazzotti A,Bigi A,Falconi M

更新日期：2014-11-01 00:00:00

abstract：:The through focus exit wave reconstruction technique uses a series of high resolution electron microscopy images to reconstruct the complex electron wavefunction at the exit plane of the specimen. The feasibility of the through focus exit wave reconstruction method and its most important limitations are discussed. It ...

journal_title：Microscopy research and technique

authors： Zandbergen HW,Van Dyck D

更新日期：2000-05-01 00:00:00

abstract：:Antlion (Myrmeleon sagax) larvae live in sandy soil and possess the ability to enter soil quickly. In this article, the hierarchical structure of the nonsmooth surface of antlion larvae was obtained using a scanning electron microscope (SEM). Based on the results, a bionic nonsmooth structure model was established to ...

journal_title：Microscopy research and technique

authors： Tong J,Wu B,Song Z,Gao Z,Sun J,Ma Y,Zhuang J

更新日期：2020-04-01 00:00:00

abstract：:The mechanism of the candidacidal activity of histatins 3 and 5 (Hst) is still a matter of debate. Previous studies have indicated that Hst induce cell permeabilization, generation of reactive oxygen species (ROS) by mitochondria, inhibition of the respiratory chain, and energy-dependent cytotoxic release of ATP. On t...

journal_title：Microscopy research and technique

authors： Diaz G,Polonelli L,Conti S,Messana I,Cabras T,Putzolu M,Falchi AM,Fadda ME,Cosentino S,Isola R

更新日期：2005-04-01 00:00:00

abstract：:We have examined cellular events at the early stages of periosteal chondrogenesis and osteogenesis induced by bone fracture, using a well-standardized rib fracture model of the mouse. The initial cellular event was recognized as considerable proliferation in the deeper layer referred to as the "cambium layer" of the p...

journal_title：Microscopy research and technique

authors： Li M,Amizuka N,Oda K,Tokunaga K,Ito T,Takeuchi K,Takagi R,Maeda T

更新日期：2004-07-01 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：: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：:The nasal fluid is an easily accessible form of airway surface liquid. The objective of this study was to find a technically easy and reproducible method for sampling and analysis of this fluid. In a pilot study, several methods to carry out X-ray microanalysis of sub-microliter droplets were compared. Acceptable resu...

journal_title：Microscopy research and technique

authors： Vanthanouvong V,Roomans GM

更新日期：2004-02-01 00:00:00

abstract：:During the past few years, cyto- and immunocytochemical techniques have been developed and widely used for locating and identifying various molecules in plant cell compartments. The last decade has witnessed tremendous improvements in molecular cytology, thus allowing an accurate in situ detection of various component...

journal_title：Microscopy research and technique

authors： Benhamou N

更新日期：1995-05-01 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：:In this paper, an application of contact microradiography with soft X-rays for detecting the uptake site of heavy metal in the whole plant leaves is investigated. The X-ray source is a laser-plasma one based on an Nd:glass laser. The soft X-ray radiation emitted from the plasma laser targets of magnesium, iron, and co...

journal_title：Microscopy research and technique

authors： Reale L,Lai A,Bellucci I,Faenov A,Pikuz T,Flora F,Spanò L,Poma A,Limongi T,Palladino L,Ritucci A,Tomassetti G,Petrocelli G,Martellucci S

更新日期：2006-08-01 00:00:00

abstract：:In order to investigate the mode of existence of the sarcoglycan complex, neuronal nitric oxide synthase (nNOS), beta-dystroglycan, and dystrophin in the normal skeletal myofiber, we examined the ultrastructural localization and mutual spatial relationship of nNOS, beta-dystroglycan, dystrophin, and the individual com...

journal_title：Microscopy research and technique

authors： Wakayama Y,Inoue M,Kojima H,Murahashi M,Shibuya S,Oniki H

更新日期：2001-11-01 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：: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：:A common feature in the configuration of germinal vesicle (GV) chromatin in most species is that diffuse chromatin condenses into a perinucleolar ring during follicular growth; however, no such ring was observed in goat oocytes. Reports on whether bovine GV chromatin condenses into a perinucleolar ring are controversi...

journal_title：Microscopy research and technique

authors： Liu Y,Sui HS,Wang HL,Yuan JH,Luo MJ,Xia P,Tan JH

更新日期：2006-10-01 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：:This article deals with the modeling and simulation of the vibration behavior of piezoelectric micro-cantilever (MC) based on the Timoshenko theory and using multi-scale (MTS) method in the air environment. In this regard, the results are compared with the previous literature, such as the finite element method and the...

journal_title：Microscopy research and technique

authors： Korayem AH,Imani F,Korayem MH

更新日期：2019-10-01 00:00:00

abstract：:Among the five senses, the sense of smell (olfaction) is the most sensitive and emotional window on the outside world (Stern and Marx, 1999). The olfactory system recognizes and discriminates myriad odorants of diverse molecular structures. What makes the olfactory system so specific and sensitive? OE harboring the ol...

journal_title：Microscopy research and technique

authors： Nibu K

更新日期：2002-08-01 00:00:00