Search results for "raft"

Regression of advanced rat and human gliomas by local or systemic treatment with oncolytic parvovirus H-1 in rat models

2010

Oncolytic virotherapy is a potential treatment modality under investigation for various malignancies including malignant brain tumors. Unlike some other natural or modified viruses that show oncolytic activity against cerebral neoplasms, the rodent parvovirus H-1 (H-1PV) is completely apathogenic in humans. H-1PV efficiently kills a number of tumor cells without harm to corresponding normal ones. In this study, the concept of H-1PV-based virotherapy of glioma was tested for rat (RG-2 cell-derived) and for human (U87 cell-derived) gliomas in immunocompetent and immunodeficient rat models, respectively. Large orthotopic rat and human glioma cell-derived tumors were treated with either single …

Functionalized halloysite nanotubes for enhanced removal of lead(II) ions from aqueous solutions

2018

In this study, environmental friendly halloysite nanotubes and their amino derivatives were used as adsorbent materials for lead(II) ions. The adsorption ability of both nanomaterials towards Pb2+ ions has been studied in NaClaq, at I = 0.1 mol L−1, in the pH range 3–6. Moreover, the effect of ionic strength on the adsorption process was evaluated at the pH of maximum efficiency of the adsorbent materials. Kinetic and equilibrium experiments were carried out by using the Differential Pulse Anodic Stripping Voltammetry (DP-ASV) technique to check the metal ion concentration in solution after contact with the two adsorbents. Different isotherm and kinetic equations were used to fit the experi…

Characterization of Chlorolignins in Bleached Kraft Pulp Mill Effluents Using Elemental Analysis and Fingerprinting by CuO Oxidation And Hplc

1994

Abstract Elemental analyses and chemical degradation techniques were applied to characterize lignin compounds in different stages of the chlorine bleaching process and in total mill effluent. Ultrafiltration was used for separation of chlorolignins into three nominal molecular weight fractions. Alkaline CuO oxidation products were analyzed by HPLC with diode array detection. Major compounds were identified by reference to authentic compounds. For comparison, native lignins (MWL), kraft lignins, and humic substances were studied as well. The oxygen, carbon and organic chlorine contents were closely similar in the various mill samples and their fractions. In all mill samples, vanillin and 6-c…

Blood Congestion Can Be Rescued by Hemodilution in a Random-Pattern Skin Flap

2017

A comparative analysis of genetic variation in rootstocks and scions of old olive trees – a window into the history of olive cultivation practices an…

2014

Background Past clonal propagation of olive trees is intimately linked to grafting. However, evidence on grafting in ancient trees is scarce, and not much is known about the source of plant material used for rootstocks. Here, the Simple Sequence Repeat (SSR) marker technique was used to study genetic diversity of rootstocks and scions in ancient olive trees from the Levant and its implications for past cultivation of olives. Leaf samples were collected from tree canopies (scions) and shoots growing from the trunk base (suckers). A total of 310 trees were sampled in 32 groves and analyzed with 14 SSR markers. Results In 82.7% of the trees in which both scion and suckers could be genotyped, t…

A next generation Ultra-Fast Flash Observatory (UFFO-100) for IR/optical observations of the rise phase of gamma-ray bursts

2012

The Swift Gamma-ray Burst (GRB) observatory responds to GRB triggers with optical observations in ~ 100 s, but cannot respond faster than ~ 60 s. While some ground-based telescopes respond quickly, the number of sub-60 s detections remains small. In mid- to late-2013, the Ultra-Fast Flash Observatory-Pathfinder is to be launched on the Lomonosov spacecraft to investigate early optical GRB emission. This pathfinder mission is necessarily limited in sensitivity and event rate; here we discuss a next generation rapid-response space observatory. We list science topics motivating our instruments, those that require rapid optical-IR GRB response, including: A survey of GRB rise shapes/times, meas…

Study Crafting and Self-Undermining in Higher Education Students: A Weekly Diary Study on the Antecedents.

2021

The aim of the current study is to validate the adaptation of the job demands–resources theory to the study context. In addition, we introduce the concepts study crafting and self-undermining to the study demands–resources framework by examining the mediating role of engagement and exhaustion in the relationship between study characteristics and study crafting and self-undermining. Over four consecutive weeks, 205 higher education students answered a questionnaire about their weekly study demands and resources, their well-being (i.e., engagement, exhaustion), and their study crafting and self-undermining behaviors. Multilevel structural equation modeling (controlling for autoregressors of m…

The great fire of medieval Valencia (1447)

2015

ABSTRACT:In March 1447, a great fire broke out in Valencia, caused by a former member of the municipal government. This fire destroyed many houses and craft workshops around the Market Square, the economic centre of the city. The municipal government had to compensate the citizens, who had lost everything, and restore everyday life in the area. A versatile Italian watchmaker living in Valencia was chosen to supervise the rehabilitation of the area. Under his direction, the debris was removed. Then after a conscious campaign of urban planning aimed at eliminating any traces of the old Islamic city, the streets were reconstructed according to the norms of the western city.

Le monastère Saint-Pierre d'Osor (île de Cres) : cinquième campagne d'études archéologiques

2011

U ovome radu izloženi su rezultati peta kampanje arheoloških i konzervatorskih istraživanja benediktinskog samostana i crkve Sv. Petra u Osoru na otoku Cresu, održane tijekom svibnja i lipnja 2010. godine, koja je dio znanstvenoga projekta MIC-a za kasnu antiku i srednji vijek Sveučilišta u Zagrebu i istraživačkog centra ARTeHIS C.N.R.S.–a iz Dijona, te Konzervatorskoga odjela u Rijeci. Osnovni rezultati tiču se istraživanja srednjovjekovnoga groblja smještenoga iza začelja crkve kao i kasnoantičkih stambenih građevina. Također su predstavljeni rezultati sondažnih istraživanja sjeverno i južno od crkve. Zahvaljujući korištenju različitih metoda istraživanja (geofizička istraživanja, arheolo…

Artesanado sedero y capital comercial en la Valencia del siglo XVIII

1997

The intense development of the «Verlagssystem» in the XVIII century silk industry in Valencia showed the difficulties of the traditional craftsmen to keep their economic independence. In order to fighy against it, the craftsmen adopted several initiatives, which dealt with the constitution of a share-holding company, as much as with the creation of a communal store to favour the suppley of raw materials to the factories. The most important project was the constitution of the «Compañía de Nuestra Señora de los Desamparados» in 1772. But the requirement of the General Board of Commerce to allow all the social classes to take part in shareholders, as it was not accompanied by the modification …