Results 21 to 30 of about 61,903 (248)

Lethality of Imidacloprid and Fipronil on Apis mellifera: a retrospective on the French case

open access: yesJulius-Kühn-Archiv, 2020
The aim of this study is to draw a retrospective analysis on the lethality of imidacloprid (Gaucho®) and fipronil (Régent® TS) on Apis mellifera between 1992 and 2016 in France. Early monitoring reports in the 1992-2002 period notified these two embedded
Mestres Lóbez, Isaac
doaj   +1 more source

Identification of PEG 6000 concentrations for assessing drought resistance in millet genotypes during the seed germination phase

open access: yesТруды по прикладной ботанике, генетике и селекции, 2021
Background. Using LD50 concentrations of the osmotic PEG 6000 to select millet genotypes during seed germination for drought resistance breeding is the best way of millet genotype differentiation according to the studied trait.Materials and methods.
O. V. Gorlachova   +3 more
doaj   +1 more source

ACUTE TOXICITY OF SUPRAMOLECULAR ANTHELMINTIC COMPLEXES OF FENBENDAZOLE DEVELOPED BY CHEMICAL MECHANICAL TECHNOLOGY USING THE DRUG DELIVERY SYSTEM

open access: yesРоссийский паразитологический журнал, 2016
Objective of research: studying of acute toxicity of supramolecular complexes of Fenbendazole developed using chemical mechanical technology in comparison with the substance of preparation injected to the stomach of white mice and rats.
A. I. Varlamova   +3 more
doaj   +1 more source

LD50 Demo Kit - Adult Liquids

open access: yes, 2021
Glass jars from an LD50 Demo Kit that contains red dyed vegetable oil to represent a liquid formulated pesticide. These jars visually represent oral LD50 quantities for a 160 lb adult.

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Acute Toxicity Test of Pigeon Pea Leaves Extract (Cajanus cajan) in Rats [PDF]

open access: yesE3S Web of Conferences, 2020
Acute toxicity test was conducted to evaluate the safety level of pigeon pea (Cajanus cajan) leaves extract, using the Organisation for Economic Co-operation and Development (OECD 423) guideline method.
Wresdiyati Tutik   +4 more
doaj   +1 more source

Hemorrhagic Activity and Hemostatic Alterations Caused by Cerastes cerastes and Daboia mauritanica: Indicators of Viper Bite Severity in Morocco [PDF]

open access: yesBIO Web of Conferences
Snakebite envenoming is a major global public health problem, causing approximately 5 million bites and 150,000 deaths each year, particularly in North Africa, where viper bites lead to significant morbidity and mortality.
Mesmoudi Nihal   +5 more
doaj   +1 more source

A Novel Drug Delivery Carrier Comprised of Nimodipine Drug Solution and a Nanoemulsion: Preparation, Characterization, in vitro, and in vivo Studies

open access: yesInternational Journal of Nanomedicine, 2020
Saixu Huang, 1–3,* Zhiyong Huang, 1–3,* Zhiqin Fu, 3,* Yamin Shi, 3, 4 Qi Dai, 1, 2 Shuyan Tang, 3 Yongwei Gu, 3 Youfa Xu, 3 Jianming Chen, 3, 4 Xin Wu, 3 Fuzheng Ren 1, 2 1Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East
Huang S   +10 more
doaj  

Tumbling Magnetic Microrobots for Targeted In Vivo Drug Delivery in the GI Tract

open access: yesAdvanced Robotics Research, EarlyView.
We introduce a microrobot design and integrated system for on‐demand targeted drug release in the gastrointestinal tract. The microrobot has an embedded magnet for actuation with external magnetic fields and is visualized in real time using ultrasound. It has two drug release ports sealed with a thermally sensitive wax. Local heating of the wax using a
Aaron C. Davis   +7 more
wiley   +1 more source

Mutagenic effectiveness, efficiency and dose optimization of gamma rays in papaya (Carica papaya L.) varieties

open access: yesElectronic Journal of Plant Breeding, 2022
The present study was conducted to determine the mutagenic effectiveness, efficiency and lethal dose of gamma rays in papaya varieties CO7, Arka Prabhath and Arka Surya. Papaya seeds were exposed to various doses of gamma rays (0Gy, 100Gy, 150Gy, 200Gy,
Aiswarya Ravi1*, M. S. Aneesa Rani2, J. Auxcilia3, V. Thiruvengadam4 and G. Karthikeyan5
doaj   +1 more source

LD50 Demo Kit - Child Solids

open access: yes, 2021
Glass jars from an LD50 Demo Kit that contains salt to represent a dry formulated pesticide. These jars visually represent oral LD50 quantities for a 55 lb child.

core  

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