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Adrian Smith
This paper seeks to demonstrate that the protagonist of Carlo Collodi's The Adventures of Pinocchio illustrates numerous autistic phenomena such as communication difficulties, sensory and perceptual distortions and mindblindness. While Pinocchio is viewed as a literary construct with contraindications of autism, it will be argued that his autistic traits are sufficient to suggest the possibility that Collodi had a partial intuition of the syndrome 60 years before it was identified by Leo Kanner. Approaching Collodi's text in this manner is taken as an opportunity to survey and reflect upon the psychoanalytic literature on autism and to position it in relation to contemporary theories from cognitive neuroscience...
April 2017: Journal of Analytical Psychology
Guanchao Yin, Min Song, Shengkai Duan, Phillip Manley, Dieter Greiner, Christian A Kaufmann, Martina Schmid
Ultrathin Cu(In,Ga)Se2 (CIGSe) solar cells pose challenges of incomplete absorption and back contact recombination. In this work, we applied the simple collodial nanosphere lithography and fabricated 2D SiO2 nanomeshes (NMs), which simultaneously benefit ultrathin CIGSe solar cells electrically and optically. Electrically, the NMs are capable of passivating the back contact recombination and increasing the minimum bandgap of absorbers. Optically, the parasitic absorption in Mo as a main optical loss is reduced...
November 23, 2016: ACS Applied Materials & Interfaces
L N Norcia, V Mahadevan
Aeration in aqueous collodial suspension results in oxidation of the sterol moiety of cholesteryl linoleate, linolenate, arachidonate and O-tetrahydropyranylricinoleate. The extent of such oxidation is different for each compound, and the O-tetrahydropyranylricinoleate ester oxidizes relatively slowly. Cholesteryl 12-hydroxystearate and ricinoleate are resistant to this oxidation. Factors that may contribute to autoxidative susceptibility of cholesteryl esters are discussed briefly.
January 1973: Lipids
Gianfranco Manes, Giovanni Collodi, Leonardo Gelpi, Rosanna Fusco, Giuseppe Ricci, Antonio Manes, Marco Passafiume
This paper describes a distributed point-source monitoring platform for gas level and leakage detection in hazardous environments. The platform, based on a wireless sensor network (WSN) architecture, is organised into sub-networks to be positioned in the plant's critical areas; each sub-net includes a gateway unit wirelessly connected to the WSN nodes, hence providing an easily deployable, stand-alone infrastructure featuring a high degree of scalability and reconfigurability. Furthermore, the system provides automated calibration routines which can be accomplished by non-specialized maintenance operators without system reliability reduction issues...
2016: Sensors
Jonathan De Roo, Maria Ibáñez, Pieter Geiregat, Georgian Nedelcu, Willem Walravens, Jorick Maes, Jose C Martins, Isabel Van Driessche, Maksym V Kovalenko, Zeger Hens
Lead halide perovskite materials have attracted significant attention in the context of photovoltaics and other optoelectronic applications, and recently, research efforts have been directed to nanostructured lead halide perovskites. Collodial nanocrystals (NCs) of cesium lead halides (CsPbX3, X = Cl, Br, I) exhibit bright photoluminescence, with emission tunable over the entire visible spectral region. However, previous studies on CsPbX3 NCs did not address key aspects of their chemistry and photophysics such as surface chemistry and quantitative light absorption...
February 23, 2016: ACS Nano
Suxiao Wang, James William Ryan, Amita Singh, Jason Gerard Beirne, Emilio Palomares, Gareth Redmond
The objective of this work is to demonstrate that conjugated polymer:fullerene hybrid nanoparticles encapsulated in the hydrophobic cores of triblock copolymer micelles may successfully act as spatially confined donor-acceptor systems capable of facilitating photoinduced charge carrier separation. To this end, aqueous dispersions of poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) nanoparticles were first prepared by solubilization of the polymer in the cores of poly(oxyethylene)-poly(oxypropylene)-poly(oxyethylene) triblock copolymer, Pluronic F-127 micelles...
January 12, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
Stefano Meacci
Giovanni Jervis is mainly known as a psychiatrist, but he also worked on psychological methodology and tackled important issues in clinical psychology. This essay describes the concept of personal identity elaborated by Jervis and its importance in Child Clinical Psychology. The problems related to personal identity appear very early in Jervis' work, influenced by the ethnologist Ernesto De Martino. His first considerations are found in his Preface to The Adventures of Pinocchio by Carlo Collodi (1968), in which Jervis describes the unhappy upbringing, the anti-social behaviour, and the unattained identity of the wooden puppet...
2012: Medicina Nei Secoli
Ten-Tsao Wong, Abraham Tesfamichael, Paul Collodi
We discovered that a 150-bp region of zebrafish deadend (dnd) spanning the translation start codon, exon 1 and part of intron 1 is required to direct heterologous neomycin-resistance gene (neo) expression specifically in the gonad, similar to endogenous dnd. Using an 8.3-kb dnd promoter that contains this 150-bp region, we generated Tg(dnd:neo-dnd) transgenic zebrafish in which the expression of Neo was detected specifically in ovarian germ cells. The transgenic fish were used to initiate primary ovarian germ cell cultures with antibiotic G418 to select ovarian germ cells and eliminate ovarian somatic cells...
2013: International Journal of Developmental Biology
J S Greenwood, G A Keller, M J Chrispeels
We have examined the properties and subcellular localization of phytohemagglutinin (PHA), the major lectin of the common bean (Phaseolus vulgaris.), in the axis cells of nearly mature and imbibed mature seeds. On a protein basis the axis contained about 15% as much PHA as the cotyledons. Localization of PHA was done with an indirect immunolabeling method (rabbit antibodies against PHA, followed by colloidal gold particles coated with goat antibodies against rabbit immunoglobulins) on ultra-thin cryosections which were embedded in plastic on the grids after the immunolabeling procedure...
December 1984: Planta
Ten-Tsao Wong, Paul Collodi
Zebrafish spermatogonial cell cultures were established from Tg(piwil1:neo);Tg(piwil1:DsRed) transgenic fish using a zebrafish ovarian feeder cell line (OFC3) that was engineered to express zebrafish Lif, Fgf2 and Gdnf. Primary cultures, initiated from testes, were treated with G418 to eliminate the somatic cells and select for the piwil1:neo expressing spermatogonia. Addition of dorsomorphin, a Bmp type I receptor inhibitor, prolonged spermatogonial stem cell (SSC) survival in culture and enhanced germline transmission of the SSCs following transplantation into recipient larvae...
2013: PloS One
Ten-Tsao Wong, Paul Collodi
During zebrafish development, a gradient of stromal-derived factor 1a (Sdf1a) provides the directional cue that guides the migration of the primordial germ cells (PGCs) to the gonadal tissue. Here we describe a method to produce large numbers of infertile fish by inducing ubiquitous expression of Sdf1a in zebrafish embryos resulting in disruption of the normal PGC migration pattern. A transgenic line of zebrafish, Tg(hsp70:sdf1a-nanos3, EGFP), was generated that expresses Sdf1a under the control of the heat-shock protein 70 (hsp70) promoter and nanos3 3?UTR...
2013: PloS One
Ten-Tsao Wong, Abraham Tesfamichael, Paul Collodi
Zebrafish female germline stem cell (FGSC) cultures were generated from a transgenic line of fish that expresses Neo and DsRed under the control of the germ cell specific promoter, ziwi [Tg(ziwi:neo);Tg(ziwi:DsRed)]. Homogeneous FGSC cultures were established by G418 selection and continued to express ziwi for more than 6 weeks along with the germ cell markers nanos3, dnd, dazl and vasa. A key component of the cell culture system was the use of a feeder cell line that was initiated from ovaries of a transgenic line of fish [Tg(gsdf:neo)] that expresses Neo controlled by the zebrafish gonadal soma derived factor (gsdf) promoter...
2013: PloS One
Ten-Tsao Wong, Paul Collodi
Primordial germ cells (PGCs), specified early in development, proliferate and migrate to the developing gonad before sexual differentiation occurs in the embryo and eventually give rise to spermatogonia or oogonia. In this study, we discovered that nanos3 3'UTR, a common method used to label PGCs, not only directed PGC-specific expression of DsRed but also prolonged this expression up to 26 days post fertilization (dpf) when DsRed-nanos3 3'UTR hybrid mRNAs were introduced into 1- to 2-cell-stage embryos. As such, we employed this knowledge to express zebrafish leukemia inhibitory factor (Lif), basic fibroblast growth factor (Fgf2) and bone morphogenetic protein 4 (Bmp4) in the PGCs and evaluate their effects on PGC development in vivo for over a period of 3 weeks...
January 4, 2013: Biochemical and Biophysical Research Communications
C Ma, P Collodi
Methods were developed for the culture of cells derived from tissues of the sea lamprey (Petromyzon marinus). Cultures were initiated from gill, liver, muscle and gut from larvae and newly transformed individuals and brain, heart, kidney and ovary from sexually mature adults. The lamprey cells were viable for up to six months in culture and cells from ovary, muscle, gut, gill and liver were propagated for multiple passages. For all cultures except liver, optimal cell attachment and spreading was obtained on surfaces coated with fibronectin and collagen...
January 1996: Cytotechnology
C Ghosh, Y Liu, C Ma, P Collodi
The zebrafish is a polular nonmammalian model for studies of neural development. We have derived cell cultures, initiated from blastula-stage zebrafish embryos, that differentiate in vitro into neurons and astrocytes. Cultures were initiated in basal nutrient medium supplemented with bovine insulin, trout serum, trout embryo extract and fetal bovine serum. After two weeks in culture the cells exhibited extensive neurite outgrowth and possessed elevated levels of acetylcholinesterase enzyme activity. Ultrastructural analysis revealed that the neurites possessed microtubules, synaptic vessicles and areas exhibiting growth cone morphology...
January 1997: Cytotechnology
Andrea Thürmer, Birgit Voigt, Angel Angelov, Dirk Albrecht, Michael Hecker, Wolfgang Liebl
The thermoacidophilic archaeon Picrophilus torridus belongs to the Thermoplasmatales order and is the most acidophilic organism known to date, growing under extremely acidic conditions around pH 0 (pH(opt) 1) and simultaneously at high temperatures up to 65°C. Some genome features that may be responsible for survival under these harsh conditions have been concluded from the analysis of its 1.55 megabase genome sequence. A proteomic map was generated for P. torridus cells grown to the mid-exponential phase...
December 2011: Proteomics
Ten-Tsao Wong, Taiju Saito, Jennifer Crodian, Paul Collodi
High frequency production of zebrafish germline chimeras was achieved by transplanting ovarian germ cells into sterile Danio hybrid recipients. Ovarian germ cells were obtained from 3-mo-old adult Tg(vasa:DsRed2-vasa);Tg(bactin:EGFP) double transgenic zebrafish by discontinuous Percoll gradient centrifugation. An average of 755 ± 108 DsRed-positive germ cells was recovered from each female. For transplantations, a total of approximately 620 ± 242 EGFP-positive cells of which 12 ± 4.7 were DsRed-positive germ cells were introduced into the abdominal cavity under the swim bladder of 2-wk-old sterile hybrid larvae...
June 2011: Biology of Reproduction
Weiyi Liu, Yihong Guan, Paul Collodi
MicroRNAs (miRNAs) are endogenous small noncoding RNAs that regulate gene expression at the posttranscriptional level. Studies have shown that zebrafish miRNAs play a key role in embryo development, tissue fate establishment, and differentiation by interacting with specific targets, usually in the 3'UTR of the mRNA. Identification of the target sequence is fundamental to elucidating miRNA function. Since bioinformatics can predict hundreds of potential targets for each miRNA, experimental validation of the actual target site is required...
December 2010: Zebrafish
Weiyi Liu, Paul Collodi
Zebrafish dead end (dnd) mRNA is specifically expressed in primordial germ cells (PGCs) and is required for PGC migration and survival. Previous studies have shown that zebrafish Dnd functions by protecting the 3'UTRs of nanos1 and TDRD7 from miR-430b-mediated RNA deadenylation. In this work, we demonstrate that zebrafish Dnd protein possesses Mg(2+)-dependent ATPase activity that is required for PGC formation. Michaelis-Menten analysis revealed that the ATPase has a k(cat) of 0.632 +/- 0.036/min under optimal conditions, and mapping studies using Dnd truncates showed that ATPase resides in the last 91 aa of the Dnd C terminus...
August 2010: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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