Autor: Sambor, I. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Objawowe i bezobjawowe inwazje Demodex spp. powiek u osób w różnych grupach wiekowych
Autorzy:: Kuźna-Grygiel, W.
Kosik-Bogacka, D.
Czepita, D.
Sambor, I.
Powiązania:: https://bibliotekanauki.pl/articles/2146434.pdf
Data publikacji:: 2004
Wydawca:: Polskie Towarzystwo Parazytologiczne
Tematy:: powieki
Demodex folliculorum
choroby czlowieka
grupy wiekowe
Demodex
parazytologia lekarska
Demodex brevis
inwazja pasozytnicza
roztocze
pasozyty czlowieka
Opis:: Symptomic and asymptomic infections of Demodex spp. in eye lashes of patients of different age groups. Demodex folliculorum and Demodex brevis were looked for on eyelashes sampled from 481 people, aged 3 through 96. The persons studied were divided into 9 age groups. Magnitude of the infection symptoms was assessed based on macroscopic changes of eye-lid edges and on interviews with patients. An increase of the prevalence of infection and intensification of the symptoms were observed to coincide with the age increase of the persons studied. No significant differences were demonstrated between the infection frequencies of women and men. Symptoms of ocular demodecosis were more frequent only in women of group III (aged 21-30) and group V (41-50) (p<0.05).
Źródło:: Wiadomości Parazytologiczne; 2004, 50, 1; 55-61
0043-5163
Pojawia się w:: Wiadomości Parazytologiczne
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Luminescent Probe for Highly Energetic Collisions in Mixtures of Complex Molecules with Acceptors of Vibrational and Triplet Energy
Autorzy:: Zalesskaya, G. A.
Yakovlev, D. L.
Sambor, E. G.
Baranovsky, D. I.
Powiązania:: https://bibliotekanauki.pl/articles/2008324.pdf
Data publikacji:: 1999-06
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 31.50.+w
34.50.Ez
34.90.+q
Opis:: Pressure dependences of intensities and decay rates of time-resolved luminescence of acetophenone, benzophenone, anthraquinone were used to obtain the efficiencies of vibrational and triplet-triplet energy transfer. It was shown that vibrational relaxation of the chosen molecules can be interpreted in terms of two consecutive processes: rapid collisional relaxation of molecules from initially prepared states to a vibrational distribution at T$\text{}_{vib}$ by vibration-vibration process and relaxation of this vibrational distribution to the thermal one (vibration-translation process). At relatively small internal energy < 10000 cm$\text{}^{-1}$, the collisional efficiencies of the vibration-vibration process in mixtures with polyatomic bath gases had values typical of processes with a supercollision contribution. Molecules relaxed from the upper vibrational level to the vibrational distribution after several collisions (2-3). The average energies transferred per collision are well correlated with predictions of the simple ergodic theory of collisional energy transfer. The majority of the collisions took part only in vibration-translation energy transfer of relatively small energies. The efficiencies of triplet-triplet energy transfer were analyzed for acetophenone, benzophenone and anthraquinone as donors and biacetyl-acceptor in a gas phase when energy of about 20000 cm$\text{}^{-1}$ was transferred. It permitted us to elucidate the common features of highly energetic collisions. It was shown that the efficiencies are much lower than the gas kinetic ones and depended on the vibrational energy and temperature. It was discussed how to enhance triplet-triplet efficiencies due to vibrational excitation of a donor molecule.
Źródło:: Acta Physica Polonica A; 1999, 95, 6; 897-910
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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