Autor: Kunicki, P. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The Influence of Sub-Wavelength Effective Refractive Index Layer on the Transmittance of LYSO Scintillator
Autorzy:: Modrzyński, P.
Olejniczak, A.
Zięba, A.
Kunicki, P.
Tomanik, M.
Wielebski, M.
Powiązania:: https://bibliotekanauki.pl/articles/1032338.pdf
Data publikacji:: 2017-06
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 42.25.Bs
42.25.Gy
42.79.Dj
02.70.Bf
78.70.Ps
29.40.Mc
Opis:: From various types of scintillating materials lutetium-yttrium oxyorthosilicate (LYSO) has the highest luminosity and the greatest potential of application in high-energy radiation detectors. Due to the small critical angle of total internal reflection the enhancement of the extraction of light outside a scintillator is a challenge. We study numerically the influence of the effective refractive index layer on the transmittance of LYSO crystal. It is possible to realize such layer by sub-wavelength patterning of crystal surface using for example focused ion beam. The enhancement of transmittance of LYSO crystal up to 100% as well as the possibility to tune the positions of transmittance maxima have been shown.
Źródło:: Acta Physica Polonica A; 2017, 131, 6; 1565-1569
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Wide-band optical fibre system for investigation of MEMS and NEMS deflection
Autorzy:: Orłowska, K.
Świątkowski, M.
Kunicki, P.
Słupski, P.
Sankowska, A.
Gotszalk, T.
Powiązania:: https://bibliotekanauki.pl/articles/221558.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: fibre optic sensors
amplitude detection
intensity detection
MEMS/NEMS deflection measurement
Opis:: In this work the construction of experimental setup for MEMS/NEMS deflection measurements is presented. The system is based on intensity fibre optic detector for linear displacement sensing. Furthermore the electronic devices: current source for driving the light source and photodetector with wide-band preamplifier are presented.
Źródło:: Metrology and Measurement Systems; 2014, 21, 3; 381-388
0860-8229
Pojawia się w:: Metrology and Measurement Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Wpływ nanotlenku glinu i nanotlenku glinu modyfikowanego kobaltem na mikroorganizmy
Impact of alumina and cobalt-modified alumina on microorganisms
Autorzy:: Mosdorf, P.
Karwowska, E.
Kunicki, R. A.
Karolczak, G.
Powiązania:: https://bibliotekanauki.pl/articles/1819468.pdf
Data publikacji:: 2011
Wydawca:: Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:: nanotlenek glinu
kobalt
mikroorganizmy
nanokompozyty
alumina nanoparticles
cobalt
microorganisms
Opis:: Przyczyną zainteresowania nanokompozytami są ich unikatowe właściwości fizyczne i chemiczne oraz rosnąca liczba potencjalnych zastosowań. Wykorzystywane są one w elektronice, ceramice, optyce, technikach laserowych, budownictwie, rolnictwie, medycynie, kosmetyce oraz kosmonautyce. Prowadzone są badania nad zastosowaniem nanomateriałów w nowoczesnych systemach podawania leków, fototerapii czy leczeniu chorób neurodegradacyjnych takich jak choroba Wilsona, Alzhaimera i Parkinsona [2]. Nanocząstki o właściwościach magnetycznych wykorzystywane są w diagnostyce, biologii molekularnej - do etykietowania biomolekuł oraz przy bezpośrednim podawaniu leków do komórek nowotworowych [3], jak również jako środki kontrastowe w rezonansie magnetycznym [1]. Stanowią składniki farb, baterii, środków konserwujących i pielęgnacyjnych, kosmetyków, katalizatorów, materiałów dentystycznych, sorbentów i materiałów ściernych.
The growing interest in nanostructural materials and their common application in various areas of life and industry, results in their increasing emission into the natural environment. Most of the present research on the influence of nanoparticles on living cells is carried out using animal or cultured human cells. However there are few data concerning the impact of nanoproducts on microorganisms isolated from the natural environment. The aim of this work was to determine the influence of alumina nanopowder as well as cobalt-modified alumina nanopowder on bacteria isolated from soil, water and air samples. The growth tests allowed to observe that Co-modified alumina nanopowder revealed the stronger antibacterial activity com-paring with alumina without modification. The strains of soil bacteria were the most sensitive to both tested nanopowders, especially to CoO/Al2O3. The growth of 93% of bacteria isolated from soil samples was inhibited by cobalt-modified alumina nanopowder, but only about 20% - by alumina without modification (mainly gram negative rods from genus Pseudomonas). Bacteria isolated from the air, especially from genus Staphylococcus were the less sensitive to alumina nanoparticles. However some of them were sensitive to cobaltmodified alumina nanopowder. It was noticed that in low concentration of nanoproduct, some adaptation processes, allowing bacteria to grow in a presence of nanopowder may be observed, even in case of cobalt-modified alumina characterized by more significant antibacterial properties. Moreover, the sensitivity to tested preparations was attributed to the particular bacterial strains, that was proved by different results obtained for the various strains of the same bacterial species.
Źródło:: Rocznik Ochrona Środowiska; 2011, Tom 13; 1635-1651
1506-218X
Pojawia się w:: Rocznik Ochrona Środowiska
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Demographic characteristics and AMH levels in rural and urban women participating in an IVF programme
Autorzy:: Kunicki, M.
Łukaszuk, K.
Liss, J.
Jakiel, G.
Skowrońska, P.
Powiązania:: https://bibliotekanauki.pl/articles/2081527.pdf
Data publikacji:: 2018
Wydawca:: Instytut Medycyny Wsi
Tematy:: infertility
assisted reproductive technique
in vitro fertilization
anti mullerian hormone
Opis:: Objective. The primary aim of this preliminary study was to compare the IVF results of couples living in rural and urban areas. Additionally, the ovarian reserve parameters, such as AMH concentrations, were compared for the same groups. Materials and method. The database of 1,265 women undergoing in vitro fertilization at the Invicta Fertility Center between May 2011-July 2012 were retrospectively analyzed. Women undergoing their first assisted reproductive technology cycle with ICSI, stimulated according to the long protocol, and whose AMH levels were measured using the same DSL kit, were selected. Ultimately, 651 women were included in the study. All participants were categorized based on the area where they live: rural areas, small towns (<100,000 inhabitants) and large cities (>100,000) Results. The mean age of the patients living in large cities was significantly higher in comparison to those from rural areas and small towns. A significantly higher pregnancy body mass index (BMI) was found in women from rural areas in comparison to the women living in small and large towns. Serum AMH and inhibin B concentrations, number of ampules of gonadotropins, and antral follicle count (AFC), did not differ significantly among the groups. The study showed no significant differences among the groups in terms of clinical pregnancy rate, both per started cycle and per embryo transfer. Conclusions. No significant differences were found in IVF outcomes among the groups inhabiting rural areas, small and large cities.
Źródło:: Annals of Agricultural and Environmental Medicine; 2018, 25, 1; 120-123
1232-1966
Pojawia się w:: Annals of Agricultural and Environmental Medicine
Dostawca treści:: Biblioteka Nauki

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