Plant essential oils from 29 plant species were tested for their insecticidal activities against the Japanese termite, Reticulitermes speratus Kolbe, using a fumigation bioassay. Responses varied with material, exposure time, and concentration. Good activity termite was achived of Melaleuca dissitiflora, uncinata, Eucalyptus citriodora, polybractea, radiata, dives, globulus, Orixa japonica, Cinnamomum cassia, Allium cepa, Illicium verum, Evodia officinalis, Schizonepeta tenuifolia, Cacalia...

The insecticidal activity of materials derived from the fruits Piper nigrum against third instar larvae Culex pipiens pallens, Aedes aegypti, and A. togoi was examined compared with that commercially available piperine, a known compound species. biologically active constituents P. were characterized as isobutylamide alkaloids pellitorine, guineensine, pipercide, retrofractamide A by spectroscopic analysis. Retrofractamide isolated new principle. On basis 48-h LC50 values, most toxic to C....

Plant essential oils from 26 plant species were tested for their insecticidal activities against the Japanese termite, Reticulitermes speratus Kolbe, using a fumigation bioassay. Responses varied with source, exposure time, and concentration. Among tested, strong activity was observed of ajowan ( Trachyspermum ammi ), allspice Pimenta dioica caraway Carum carvi dill Anethum graveolens geranium Pelargonium litsea Litsea cubeba ). The composition six identified by gas chromatography-mass...

Abstract Commercial plant essential oils obtained from 11 Myrtaceae species were tested for their antifungal activity against Phytophthora cactorum, Cryponectria parasitica and Fusarium circinatum. Good cactorum was achieved with the oil derived Leptospermum petersonii at 28 × 10 −3 mg/ml air concentration. Inhibition rates of Eucalyptus citriodora Melaleuca quinquenervia 35.4% 33.6% concentration, respectively. In a test C. , inhibition E. L. 29.4% 38.5%, Only showed F. circinatum ....

Commercial essential oils from 28 plant species were tested for their nematicidal activities against the pine wood nematode, Bursaphelenchus xylophilus. Good activity B. xylophilus was achieved with of coriander (Coriandrum sativum), Oriental sweetgum (Liquidambar orientalis), and valerian (Valeriana wallichii). Analysis by gas chromatography-mass spectrometry led to identification 26, 11, 4 major compounds wallichii) oils, respectively. Compounds each oil individually nematode. Among...

Abstract Plant essential oils from 43 plant species were tested for their nematicidal activities against the pine wood nematode, Bursaphelenchus xylophilus. Responses varied with material and concentration. Good activity male, female juvenile nematodes of B. xylophilus was achieved Cinnamomum verum, Leptospermum petersonii, Asiasarum sieboldi, Boswellia carterii, Pimenta racemosa, Cymbopogon citratus, Mentha spicata, clove garlic. Garlic cinnamon showed most potent among oils. Analysis by...

Abstract Plant essential oils from 40 plant species were tested for their insecticidal activities against larvae of Lycoriella ingénue (Dufour) using a fumigation bioassay. Good activity L. ingenua was achieved with Chenopodium ambrosioides L., Eucalyptus globulus Labill, smithii RT Baker, horseradish, anise and garlic at 10 5 µL L −1 air. Horseradish, showed the most potent among oils. At 1.25 , caused 100, 93.3 13.3% mortality, but 0.625 air this decreased to 3.3, 0 0% respectively....

Nanoparticles fabricated from the biodegradable and biocompatible polymer, polylactic-co-glycolic acid (PLGA), are most intensively investigated polymers for drug delivery systems. The objective of this study was to explore fully development a PLGA nanoparticle system alternative preparation commercial formulation. In our fabrication, purpose compare various parameters.Docetaxel-loaded nanoparticles were prepared by single emulsion technique solvent evaporation. characterized techniques,...

The larvicidal activity of 11 Myrtaceae essential oils and their constituents was evaluated against Aedes aegypti L. Of the 11, Melaleuca linariifolia Sm., dissitiflora F. Muell., quinquenervia (Cav.) S. T. Blake, Eucalyptus globulus Labill at 0.1 mg/ml exhibited ≥80% larval mortality. At this same concentration, individual tested, allyl isothiocyanate, α-terpinene, p-cymene, (+)-limonene, (−)-limonene, γ-terpinene, (E)-nerolidol, resulted in ≥95% We also tested acute toxicity these four...

꽃매미의 형태, 생태적 특성 및 살충제의 살충 활성을 조사하였다. 백색으로 부화한 1령 약충은 흑색으로 변하며 흰 반점으로 덮여 있다. 4령 약충 이후에는 붉은색 등에 검은 반점을 띠고, 두 측면에는 날개딱지가 나타난다. 성충의 앞날개는 혁질로 2/3는 옅은 갈색을 띠며 20여개의 반점이 외연부와 시맥에 고루 분포되어있다. 뒷날개의 1/2은 바탕에 7-10개의 반점과 흑갈색을 띠며, 날개의 맥은 흰색의 그물모양을 띤다. 성충은 1년에 1회 발생하였다. 꽃매미 2-3령 약충에 대해 살충활성을 검정한 결과, 텔타메스린, 클로치아니딘액상수화제가 처리 2시간 후 100% 살충율을 보여 약효가 신속하였다. 페니트로치온유제와 이미다크로프리드액제도 약제살포 24시간 100%의 보였으나 치아크로프리드액상수화제는 다른 공시약종에 비해 살충율이 낮았다. Biological Characteristics of Lycorma delicatula and insecticidal activity some...

Plant essential oils from 20 plant species were tested for their insecticidal activity against larvae of Lycoriella ingenua (Dufour) (Diptera: Sciaridae) by using a fumigation bioassay. Good (>90%) L. was achieved with caraway seed Carum carvi (L.)], lemongrass [Cymbopogon citratus (D.C.) Stapf.], mandarine (Citrus reticulate Blanco), nutmeg (Myristica fragrans Houtt), cade (Juniperus oxycedrus L.), spearmint (Mentha spicata cumin (Cuminum cyminum and thyme red [Thymus vulgaris (L.)] at 30 X...

The effects of epigallocatechin gallate (EGCG) on the oral bioavailability and pharmacokinetics tamoxifen its metabolite, 4-hydroxytamoxifen, were investigated in rats. A single dose was administered intravenously (2 mg/kg) orally (10 with or without (0.5, 3 10 to presence EGCG significantly altered tamoxifen. Compared control group (given alone), area under plasma concentration–time curve peak concentration (P<0.05 for mg/kg EGCG, P<0.01 EGCG) increased 48.4–77.0 57.1–89.7%, respectively....

Herein, we report a detailed study on the optoelectronic properties, photovoltaic performance, structural conformation, morphology variation, charge carrier mobility, and recombination dynamics in bulk heterojunction solar cells comprising series of donor-acceptor conjugated polymers as electron donors based benzodithiophene (BDT) 5,8-bis(5-bromothiophen-2-yl)-6,7-difluoro-2,3-bis(3-(octyloxy)phenyl)quinoxaline function BDT's thienyl substitution (alkyl (WF3), alkylthio (WF3S), fluoro...

Abstract The unique properties of organic photovoltaics (OPVs) offer great promise in emerging applications such as wearable electronics or the Internet Things. For their successful utilization, OPV operation should be designed for versatile irradiation circumstances addition to solar light since they capable providing electric power when there is no sunlight operate indoors. Here, a quaternary (Q‐OPV) semitransparent, colorful energy platform that operates efficiently under both and...

The objective of this study was to evaluate the potential surface-modified paclitaxel (PTX)-incorporated solid lipid nanoparticles with hydroxypropyl-β-cyclodextrin (smPSH). smPSH released 89.70±3.99% its entrapped PTX within 24 h when placed in dissolution medium containing sodium lauryl sulfate. cellular uptake from Caco-2 cells 5.3-fold increased compared a solution based on Taxol formulation. Moreover, showed an cytotoxicity solution. In addition, AUC (5.43 µg•h/ml) and Cmax (1.44 µg/ml)...

Abstract Monomeric perylene diimide (PDI) small molecules display a high absorption coefficient and crystallinity in solid‐state thin films due to strong π–π interactions between the molecules. To take advantage of these exciting properties PDIs, N , '‐bis(1‐ethylpropyl)perylene‐3,4,9,10‐tetracarboxylic (EP‐PDI) was mixed with binary blend PTB7 PC 71 BM fabricate an efficient ternary blend, which were turn used produce organic photovoltaic (OPV) devices well suited indoor applications...

The insecticidal activity of phytochemicals isolated from the roots Phryma leptostachya var. asiatica against third instar larvae Culex pipiens pallens, Aedes aegypti, and Ocheratatos togoi was examined. two constituents P. were identified as leptostachyol acetate (I) 8'-acetoxy-2,2',6-trimethoxy-3,4,4',5'-dimethylenedioxyphenyl-7,7'-dioxabicyclo[3.3.0]octane (II) by spectroscopic analysis. Compound I lethal to C. A. O. at 10 ppm. II showed weak or no three mosquito species LC(50) values...