• Title/Summary/Keyword: Long day

Search Result 1,973, Processing Time 0.031 seconds

Alternative Energy - Environment Safety

  • Kurnaz, Sefer;Rustamov, Rustam B.;Zeynalov, Ismayil
    • International Journal of Aeronautical and Space Sciences
    • /
    • v.10 no.1
    • /
    • pp.91-97
    • /
    • 2009
  • It is undertaken systematization of results of satellite and ground observation parameters characterizing a current condition and climatic variability of two selected geographical areas. One of them covers territory of Azerbaijan and another covers a wide area of Caspian See region. Average values and mean square deviations of following values are investigated: outgoing long wave radiation during a day and night (in nebulosity and cloudless). absorbed within a day of the stream of a sunlight of the system in "a terrestrial surface-atmosphere". degree of a covering by clouds of the selected areas during a day and at night, ground temperature values of air. pressure and speed of a wind. Monthly average values of corresponding parameters create a basis of suggested investigations. It has been presented features of a time course of investigated parameters for each month and year in the whole due to the continuously observations since 1982-2000. The scientific problem consists that there are no existed models which authentically would be cover the main aspects of a realities specified changes: they are identified by economic activities. growth of the population and other features of development of a human society or internal fluctuations of biogeophysical/climatic system. Possibilities of predictability of biosphere and climate changes depend on available timely supervision. adequacy of construction of appropriate models. understanding of mechanisms of direct and feedback influences in such complicated systems.

Effect of Germinated Seed of Rhynchosia Volubilis on Cathepsin-K in Ovariectomized Rats (발아(發芽)한 서목태(鼠目太)가 난소적출 흰쥐의 Cathepsin-K에 미치는 영향)

  • Jung, Ho-Long;Lee, Eung-Se;Cha, Yun-Yeop
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.19 no.1
    • /
    • pp.184-190
    • /
    • 2005
  • The aim of this study is to find out what inhibition effects the Germinated Seed of Rhynchosia Volubilis(GSRV) has by its feeding period on the bone absorption in ovariectomized white rats. Close examination of the amounts of the Cathepsin-K in the rats by the groups of one, two and three-day germination periods led to the following conclusions. Feeding non-ovariectomized white rats with GSRV by the groups of one, two and three-day germination periods showed less amounts of Cathepsin-K in their proximal tibia in all the feeding periods of two, three and four weeks than in the case of control group, revealing a statistical significance. Feeding ovariectomized white rats with GSRV by the groups of one, two and three-day germination periods showed less amounts of Cathepsin-K in their proximal tibia in all the feeding periods of two, three and four weeks than in the case of the control group, revealing a statistical significance. Therefore, the Germinated Seed of Rhynchosia Volubilis(GSRV) is believed to have inhibition effects on bone resorption.

Iron Starvation-Induced Proteomic Changes in Anabaena (Nostoc) sp. PCC 7120: Exploring Survival Strategy

  • Narayan, Om Prakash;Kumari, Nidhi;Rai, Lal Chand
    • Journal of Microbiology and Biotechnology
    • /
    • v.21 no.2
    • /
    • pp.136-146
    • /
    • 2011
  • This study provides first-hand proteomic data on the survival strategy of Anabaena sp. PCC 7120 when subjected to long-term iron-starvation conditions. 2D-gel electrophoresis followed by MALDI-TOF/MS analysis of iron-deficient Anabaena revealed significant and reproducible alterations in ten proteins, of which six are associated with photosynthesis and respiration, three with the antioxidative defense system, and the last, hypothetical protein all1861, conceivably connected with iron homeostasis. Iron-starved Anabaena registered a reduction in growth, photosynthetic pigments, PSI, PSII, whole-chain electron transport, carbon and nitrogen fixation, and ATP and NADPH content. The kinetics of hypothetical protein all1861 expression, with no change in expression until day 3, maximum expression on the $7^{th}$ day, and a decline in expression from the $15^{th}$ day onward, coupled with in silico analysis, suggested its role in iron sequestration and homeostasis. Interestingly, the up-regulated FBP-aldolase, Mn/Fe-SOD, and all1861 all appear to assist the survival of Anabeana subjected to iron-starvation conditions. Furthermore, the $N_2$-fixation capabilities of the iron-starved Anabaena encourage us to recommend its application as a biofertilizer, particularly in iron-limited paddy soils.

Derivation of Continuous Pollutant Loadograph using Distributed Model with 8-Day Measured Flow and Water Quality Data of MOE (환경부 8일 간격 유량·수질 관측자료와 분포형 모형을 이용한 연속오염부하곡선의 유도)

  • Kim, Chul-Gyum;Kim, Nam-Won
    • Journal of Korean Society on Water Environment
    • /
    • v.25 no.1
    • /
    • pp.125-135
    • /
    • 2009
  • Reliable long-term flows by SWAT-K model were applied to the relationship between stream flow and pollutant load derived from 8-day measured data of Ministry of Environment (MOE) in order to obtain continuous loadograph and evaluate accuracy in water quality modeling for the Chungju dam watershed. The measured flow were compared with flow duration curve from the model, and it showed that measured values corresponded to the almost full range of stream flow conditions except at Odae A. And there was significant relationship ($R^2=0.60{\sim}0.97$) between measured flow and water quality load at all unit-watersheds. Applying this relationship to simulated flows, continuous loadograph was obtained and compared with modeled pollutant loads. Although there were some differences during some dry and flood seasons, those were not significant and overall trend showed a good agreement. From the results, we would be able to derive a continuous loadograph based on measured data at total maximum daily loads (TMDLs) unit-watersheds on a national scale, in which stream flow and water quality have been measured at 8-day intervals since 2004, and this could be helpful to utilize distributed water quality models with difficulty in calibrating and validating parameters from lack of measured data at present.

Effects of Jasmonic Acid-Cellulase Combined Elicitors on the Paclitaxel Production in Suspension Cultures of Taxus wallichiana Zucc (Taxus wallichiana Zucc. 현탁세포에서 Jasmonic Acid-Cellulase 복합 Elicitor가 Paclitaxel 생합성에 미치는 영향)

  • Hoi, Nguyen Ngoc;Luong, Hoang Van;Long, Nguyen Van;Duong, Vu Binh;Byun, Sang-Yo
    • KSBB Journal
    • /
    • v.25 no.2
    • /
    • pp.193-198
    • /
    • 2010
  • Cell cultures of Taxus wallichiana Zucc. were made to enhance the production of anticancer agent paclitaxel. In suspension cultures, the maximum cell growth rate in exponential growth phase was 0.14 $day^{-1}$ which was correlated to 4.96 days of cell doubling time. The production of paclitaxel was non-growth associated. The paclitaxel production was started after the exponential growth phase and increased to declined phase where the maximum concentration was observed. Various elicitors were tested to enhance the production of paclitaxel. The combination of two elicitors of jasmonic acid and cellulase increased the production of paclitaxel 1.8 and 3.1 times compared to paclitaxel production by individual elicitor respectively.

Changes in Limb Circumferences among Intensive Care Unit Patients and Related Factors (중환자실 환자의 입원기간에 따른 사지 둘레 변화 및 관련요인)

  • Shin, Hye Eun;Kang, Jiyeon
    • Journal of Korean Critical Care Nursing
    • /
    • v.9 no.2
    • /
    • pp.13-25
    • /
    • 2016
  • Purpose: This study was conducted to identify changes in limb circumferences among patients admitted to the intensive care unit (ICU) and related factors. Methods: We conducted a prospective observational study with 27 patients from 3 ICUs at a university hospital located in B city of Korea, from September 1 to October 30, 2015. The circumferences of the left and right upper arms, thighs, and lower legs were measured on the first, third, fifth, and seventh days of ICU admission. Information on the related factors was collected from the medical records. The data were analyzed using a linear mixed model method. Results: The limbs circumferences significantly reduced from day 3, and the changes continued till day 7. These changes were related to the gender of the subjects, restraints application, use of steroids, and continuous renal replacement therapy. Conclusions: Based on the above results, it can be concluded that ICU-acquired weakness begins before the third day of admission. Thus, early mobilization protocols for ICU patients need to be developed and implemented in order to improve long-term outcomes.

  • PDF

Therapeutic Assessment of Primaquine for Radical Cure of Plasmodium vivax Malaria at Primary and Tertiary Care Centres in Southwestern India

  • Kumar, Rishikesh;Guddattu, Vasudeva;Saravu, Kavitha
    • Parasites, Hosts and Diseases
    • /
    • v.54 no.6
    • /
    • pp.733-742
    • /
    • 2016
  • Acquaintance is scanty on primaquine (PQ) efficacy and Plasmodium vivax recurrence in Udupi district, Karnataka, India. We assessed the efficacy of 14 days PQ regimen (0.25 mg/kg/day) to prevent P. vivax recurrence. Microscopically, aparasitemic adults (${\geq}18years$) after acute vivax malaria on day 28 were re-enrolled into 15 months' long follow-up study. A peripheral blood smear examination was performed with participants at every 1-2 month interval. A nested PCR test was performed to confirm the mono-infection with P. vivax. Of 114 participants, 28 (24.6%) recurred subsequently. The median (IQR) duration of the first recurrence was 3.1 (2.2-5.8) months which ranged from 1.2 to 15.1 months, including initial 28 days. Participants with history of vivax malaria had significantly higher risk of recurrence, with hazard ratio (HR) (95% CI) of 2.62 (1.24-5.54) (P=0.012). Severity of disease (11.4%, 13/114) was not associated (P=1.00) with recurrence. Of 28 recurrence cases, the nPCR proved that P. vivax mono-infection recurrence rate was at least 72.7% (16/22) at first recurrence. In Udupi district, PQ dose of 0.25 mg/kg/day over 14 days seems inadequate to prevent recurrence in substantial proportion of vivax malaria. Patients with a history of vivax malaria are at high risk of recurrences.

Four-Week Repeated-Dose Toxicity Studies of Hyrubicin ID6105, a Novel Anthracycline Anticancer Agent, in Rats (랫드에서 새로운 Anthracycline계 항암제 Hyrubicin ID6105에 대한 4주 반복투여 독성연구)

  • 장호송;서동석;인창훈;황재식;이수해;정미숙;신지순;이홍섭;유정수
    • Toxicological Research
    • /
    • v.18 no.4
    • /
    • pp.375-384
    • /
    • 2002
  • Repeated-dose toxicity of hyrubicin ID6105, a novel anthrarycline anticancer agent, was investigated in Sprague-Dawley rats. ID6105 was injected intravenously to rats at dose levels of 0.04, 0.2 or 1.0 mg/kg/day for 4 week. As a result, there were no dose-related mortality and specific clinical signs of all animals treated with the drug. However body weight gain of both male and female rats treated with a high dose (l.0 mg/kg/day) of ID6105 significantly decreased compared to control. Interestingly, the numbers of RBC and platelets, and concentration of hemoglobin remarkably increased, while protein synthesis was suppressed, which may be related to the atrophy of spleen, thymus and liver. Moreover there were severe lymphocytic depletion in spleen and thymus as well as decrease in the number of hematopoietic cells in bone marrow. Also, degeneration of cardiac muscles and testicular germinal epithelia were observed. Taken together, it is suggested that Long-term administration of ID6105 at high doses over 0.2 mg/kg/day might cause hematopoietic and male reproductive system injuries, in addition to hepatic dysfunction.

METHODS TO IMPROVE UTILIZATION OF RICE STRAW I. EFFECTS OF MOISTENING, SODIUM CHLORIDE AND CHOPPING ON INTAKE AND DIGESTIBILITY

  • Badurdeen, A.L.;Ibrahim, M.N.M.;Schiere, J.B.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.7 no.2
    • /
    • pp.159-164
    • /
    • 1994
  • Two studies were conducted using 40 cross-bred bulls to study the effect of chopping, moistening with water or common salt solution on the nutritive value of rice straw (variety BG-400). Moistening with water did not significantly effect digestibility or intake of rice straw. As compared to straw fed in the long form, chopping did not significantly influence intake (2.33 vs 1.97kg $100kgBW^{-1}day^{-1}$, respectively), but significantly (p<0.05) decreased the digestibility (41.6 vs 37.4%) and intake of digestible dry matter (0.99 vs 0.74kg $100kgBW^{-1}day^{-1}$). Rice straw moistened with 2 or 4% common sea salt solution and directly fed to animals (Exp. 1) did not significantly effect its digestibility (43.9 and 43.1%, respectively) or intake (2.66 or 2.59kg $100kgBW^{-1}day^{-1}$, respectively), but over night storing of 2% salt solution sprayed straw (Exp. 2) significantly reduced its digestibility (33.6%). The latter is difficult to explain because the sodium concentration (mg/g straw dry matter) was lower than 4% salt solution treatment used in experiment 1 (3.30 vs 5.22). It is concluded that chopping, moistening with water or NaCl salt solution did not significantly improve the nutritive value of rice straw.

Single- and Repeat-dose Oral Toxicity Studies of Lithospermum erythrorhizon Extract in Dogs

  • Nam, Chunja;Hwang, Jae-Sik;Kim, Myoung-Jun;Choi, Young Whan;Han, Kyoung-Goo;Kang, Jong-Koo
    • Toxicological Research
    • /
    • v.31 no.1
    • /
    • pp.77-88
    • /
    • 2015
  • Lithospermum erythrorhizon has long been used in traditional Asian medicine for the treatment of diseases, including skin cancer. The oral toxicity of a hexane extract of Lithospermum erythrorhizon root (LEH) was investigated in Beagle dogs by using single escalating doses, two-week dose range-finding, and 4-week oral repeat dosing. In the single dose-escalating oral toxicity study, no animal died, showed adverse clinical signs, or changes in body weight gain at LEH doses of up to 2,000 mg/kg. In a 2 week dose range-finding study, no treatment-related adverse effects were detected by urinalysis, hematology, blood biochemistry, organ weights, or gross and histopathological examinations at doses of up to 500 mg LEH/kg/day. In the 4 week repeat-dose toxicity study, a weight loss or decreased weight gain was observed at 300 mg/kg/day. Although levels of serum triglyceride and total bilirubin were increased in a dose dependent manner, there were no related morphological changes. Based on these findings, the sub-acute no observable adverse effect level for 4-week oral administration of LEH in Beagles was 100 mg/kg/day.