Morphology and histochemistry of the intramandibular glands in Attini and Ponerini (Hymenoptera, Formicidae) species.

abstract：:The present study was conducted on characterization of morpho-anatomical, phytochemical, and bio-elemental analysis of root, stem, and leaf of Verbascum thapsus. Morphologically Verbascum is a biennial plant that flowers for a month and a half in mid- to late summer. Various organoleptic features of root, leaf, and st...

journal_title：Microscopy research and technique

authors： Khan SA,Dastagir G,Uza NU,Muhammad A,Ullah R

更新日期：2020-06-01 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 metrial gland develops in the uterus of many rodent species during normal pregnancy. It is a maternally-derived tissue that contains stromal and vascular elements plus a population of large cells, striking in their light microscopic appearance due to the presence of numerous cytoplasmic granules. These cells, whic...

journal_title：Microscopy research and technique

authors： Croy BA,Kiso Y

更新日期：1993-06-15 00:00:00

abstract：:In vivo and in vitro multiphoton imaging was used to perform high resolution optical sectioning of human hair by nonlinear excitation of endogenous as well as exogenous fluorophores. Multiphoton fluorescence lifetime imaging (FLIM) based on time-resolved single photon counting and near-infrared femtosecond laser pulse...

journal_title：Microscopy research and technique

authors： Ehlers A,Riemann I,Stark M,König K

更新日期：2007-02-01 00:00:00

abstract：:Physiological oral mechanical forces may play a role on the progression of enamel carious lesions to cavitation. Thus, the aim of this study was to describe, by 3D finite element analysis, stress, and strain patterns in sound and carious enamel after a simulated occlusal load. Micro-CT based models were created and me...

journal_title：Microscopy research and technique

authors： Neves AA,Coutinho E,Alves HD,de Assis JT

更新日期：2015-10-01 00:00:00

abstract：:Fluorescence correlation spectroscopy (FCS) is a very sensitive technique that can be used, e.g., for the measurement of low concentrations and for the investigation of transport of fluorescent molecules. Fluorescence lifetime imaging (FLIM) provides spatially resolved information about molecular fluorescence lifetime...

journal_title：Microscopy research and technique

authors： Petrásek Z,Krishnan M,Mönch I,Schwille P

更新日期：2007-05-01 00:00:00

abstract：:Ribbon synapses differ from conventional chemical synapses in that they contain, within the cloud of synaptic vesicles (SV's), a specialized synaptic body, most often termed synaptic ribbon (SR). This body assumes various forms. Reconstructions reveal that what appear as rod- or ribbon-like profiles in sections are in...

journal_title：Microscopy research and technique

authors： Vollrath L,Spiwoks-Becker I

更新日期：1996-12-15 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：:After more than two centuries of almost sporadic inquiry as to the existence and function of the human vomeronasal system (VNS), the last decade has seen a resurgent interest in it. The principal question vexing many laboratories is whether adult humans retain the VNS that clearly develops during fetal growth. Additio...

journal_title：Microscopy research and technique

authors： Johnson EW

更新日期：1998-06-15 00:00:00

abstract：:With an increase in the advancement of digital imaging and computing power, computationally intelligent technologies are in high demand to be used in ophthalmology cure and treatment. In current research, Retina Image Analysis (RIA) is developed for optometrist at Eye Care Center in Management and Science University. ...

journal_title：Microscopy research and technique

authors： Jamal A,Hazim Alkawaz M,Rehman A,Saba T

更新日期：2017-07-01 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：:Although the Geographical Information System (GIS), which integrates computerized drawing computer assisted design (CAD) and relational databases (data base management system (DBMS)), is best known for applications in geographical and planning cartography, it can also use many kinds of information concerning the terri...

journal_title：Microscopy research and technique

authors： Scocco P,Brusaferro A,Catorci A

更新日期：2012-07-01 00:00:00

abstract：:The Dominican Republic (DR) has experienced tremendous increase in the number of cases of dengue virus (DENV) reported in the past few years. There are four serotypes of DENV (1-4), and each can cause classic dengue fever (DF), dengue hemorrhagic fever (DHF), or dengue shock syndrome (DSS). DENV-1-4 are currently circ...

journal_title：Microscopy research and technique

authors： Cabrera-Batista B,Skewes-Ramm R,Fermin CD,Garry RF

更新日期：2005-11-01 00:00:00

abstract：:The human dentin-enamel junction (DEJ) is a natural junction that unites two dissimilar mineralized tissues in the human tooth: enamel and dentin. DEJ plays a critical role in maintaining structural and functional integrity of the tooth. However, its structure, chemical composition and function remain unclear and cont...

journal_title：Microscopy research and technique

authors： Wang R,Zhao D,Wang Y

更新日期：2020-11-19 00:00:00

abstract：:This article reviews recent research using a low-energy electron microscope, built by Tromp at IBM, and equipped with an accelerator that permits in situ irradiation with a beam of self-ions. The available ion energies of 20 eV to 5 keV span the range from epitaxial growth by a hyperthermal beam to sputtering at the l...

journal_title：Microscopy research and technique

authors： Ondrejcek M,Swiech W,Petrov I,Rajappan M,Flynn CP

更新日期：2009-03-01 00:00:00

abstract：:This in vitro study aimed to investigate the tubular penetration depth of four different sealers used with two different obturation methods in the apical, middle, and coronal root canal dentin. Eighty-four single-rooted teeth were instrumented until the F4 ProTaper universal rotary file and filled with AH26, AH Plus (...

journal_title：Microscopy research and technique

authors： Turkyilmaz A,Erdemir A

更新日期：2020-12-01 00:00:00

abstract：:The effect of nerve growth factor (NGF) on ontogenesis of frog mast cells was investigated in vivo by histochemical, morphometric, and ultrastructural analysis. Three groups of tadpoles at various stages of development were used. In the first group, the larvae received i.p. injections of 1 ng NGF/g; the second group r...

journal_title：Microscopy research and technique

authors： Baccari GC,Raucci F,Di Fiore MM,Monteforte R

更新日期：2003-12-01 00:00:00

abstract：:Micromass cultures represent a convenient means of studying chondrocyte physiology in the context of a tridimensional culture model. In this study, we present the first ultrastructural analysis of the distribution and organization of the extracellular components in micromasses in comparison with their cartilaginous co...

journal_title：Microscopy research and technique

authors： Battistelli M,Borzì RM,Olivotto E,Vitellozzi R,Burattini S,Facchini A,Falcieri E

更新日期：2005-08-15 00:00:00

abstract：:In conventional whole-tooth culture systems, limitation exists regarding maintenance of the vitality of the dental pulp, because this tissue is encased in rigid dentin walls that hinder nutrition supply. We here report a whole tooth-in-jaw-bone culture system of rat mandibular first molars, where transcardiac perfusio...

journal_title：Microscopy research and technique

authors： Chokechanachaisakul U,Kaneko T,Yamanaka Y,Okiji T,Suda H

更新日期：2012-10-01 00:00:00

abstract：:Förster resonance energy transfer (FRET) allows one to study interactions between two fluorescently labeled molecules (donors and acceptors) at distances on the order of 5 nm. Many studies have described methods of how to measure the efficiency of FRET. However, few have addressed the question of how fluorescence from...

journal_title：Microscopy research and technique

authors： Neher RA,Neher E

更新日期：2004-06-01 00:00:00

abstract：:Rhus succedanea is generally traded, distributed, and sold in the markets in its crude and raw form. This may have been mixed with adulterants, mismanaged by malpractices, and substituted with other closely related drugs having different effect. This study is therefore carried out to authenticate the plant through pha...

journal_title：Microscopy research and technique

authors： Khan SA,Barkatullah,Ibrar M,Ullah S

更新日期：2019-12-01 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 aqueous extract of betel nut (AEBN) induces the formation of preneoplastic nodules in the liver of Swiss Albino mice and leads to increased predisposition to cancer when administered transgenerationally. The aim of this investigation was to elucidate the alterations in ultrastructure of subcellular organelles in t...

journal_title：Microscopy research and technique

authors： Choudhury Y,Sharan RN

更新日期：2010-05-01 00:00:00

abstract：:Several models for preparing and isolating human and animal gallbladder epithelial cells, including low-grade gallbladder carcinoma cells, as well as proposed systems for culturing these isolated epithelial cells are reviewed here. Several reports concerning tissue culture of the gallbladder are also reviewed. The cel...

journal_title：Microscopy research and technique

authors： Nakanuma Y,Katayanagi K,Kawamura Y,Yoshida K

更新日期：1997-10-01 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：:The adaptations of the mouse uterus to pregnancy include extensive modifications of the cells and extracellular matrix of the endometrial connective tissue that surround the embryos. Around each implanted embryo this tissue redifferentiates into a transient structure called decidua, which is formed by polygonal cells ...

journal_title：Microscopy research and technique

authors： Carbone K,Pinto NM,Abrahamsohn PA,Zorn TM

更新日期：2006-01-01 00:00:00

abstract：:Puffers show good drag reduction performance during migration. It is worth noting that spines which are different from ordinary fish scales are densely distributed on the puffer skin. Here, the special morphological structure of puffer spines was observed using microscopy techniques, accurate contour models were estab...

journal_title：Microscopy research and technique

authors： Zhou H,Liu C,Tian G,Feng X,Jia C

更新日期：2020-07-01 00:00:00

abstract：:The principal functions of the gastrointestinal tract mucosa include nutrient absorption, protein and fluid secretion, and the regulated symbiosis with intraluminal contents. Research in epithelial biology has benefited significantly from the use of cultured monolayer preparations, which closely replicate the structur...

journal_title：Microscopy research and technique

authors： Gilbert RJ,Hoffman M,Capitano A,So PT

更新日期：2000-10-15 00:00:00

abstract：:The subcommissural organ (SCO) is a brain circumventricular organ formed by ependymal and hypendymal secretory cells. It secretes glycoproteins into the cerebrospinal fluid of the third ventricle where they condense into a thread-like structure known as Reissner's fiber (RF). The present study was designed to investig...

journal_title：Microscopy research and technique

authors： Schöbitz K,Gonzalez C,Peruzzo B,Yulis CR,Rodríguez EM

更新日期：2001-03-01 00:00:00

abstract：OBJECTIVES:To examine different types of restorative materials used in children as well as primary and permanent teeth enamel when affected by erosive foods. MATERIALS AND METHOD:Buttermilk, fruit yoghurt, Coca-cola, fruit juice, Filtek Z-250, Dyract Extra, Fuji II LC, and Fuji IX and tooth enamel were used. Measureme...

journal_title：Microscopy research and technique

authors： Sari ME,Erturk AG,Koyuturk AE,Bekdemir Y

更新日期：2014-01-01 00:00:00