Results 31 to 40 of about 4,314 (255)

PARA-AMINOBENZOIC ACID PRODUCTION BY STAPHYLOCOCCI [PDF]

Journal of Experimental Medicine, 1944
1. Strains of staphylococci produce diazotizable materials which can be converted to a dye, and the intensity of the color reaction can be quantitated in the same manner as p-aminobenzoic acid. The sulfonamide-resistant strains which we have studied produce more diazotizable substance than non-resistant strains. 2.
Helen R. Skeggs, Wesley W. Spink, Jean Jermsta Vivino, Lemuel D. Wright   +3 more
openaire   +3 more sources

Spraying drones: efficacy of integrating an avian repellent with drone hazing to elicit blackbird flock dispersal and abandonment of sunflower fields

Wildlife Biology, EarlyView.
Multiple management strategies exist to combat bird damage to agriculture. We explored combining two tools, drones as frightening devices and an avian repellent, to assess effectiveness of an integrated method to deter large flocks on complex landscapes. We evaluated the ability of a spraying drone (DJI Agras MG‐1P) deploying Avian Control (i.e. active
Jessica L. Duttenhefner, Timothy J. Greives, Page E. Klug   +2 more
wiley   +1 more source

Stabilitas Mikroemulsi Fucoxanthin dan Efektifitasnya dalam Menghambat Foto Oksidasi Vitamin C pada Model Minuman [PDF]

, 2014
Mikroemulsi fucoxanthin dibuat dengan melarutkanfucoxanthin dalam VCO dan ditambah surfaktan (Tween 20:Tween 80:Span 80 = 92:5,5: 2,5 (% v/v), dengan rasio minyak-surfaktan 15:85 v/v, kemudian ditambahkan air hingga konsentrasi fucoxanthin mencapai 600 ...
Hastuti, P. (Pudji), Hidayat, C. (Chusnul), Suhendra, L. (Lutfi)   +2 more
core  

Permeation of hydrocortisone and hydrocortisone 21-alkyl esters through silicone rubber membranes -- relationship to regular solution solubility behavior [PDF]

, 1987
Rates of permeation of 75 [mu]m thick silicone rubber membranes by hydrocortisone and six homologous hydrocortisone 21-alkyl esters, all applied to the membranes in aqueous media, were assessed in small glass diffusion cells. Solubilities of these agents
Flynn, Gordon L., Hagen, Timothy A.
core   +1 more source

Photoprotective Properties of Eumelanin:Computational Insights into the Photophysics of a Catechol:Quinone Heterodimer Model System [PDF]

, 2021
Melanins are skin-centered molecular structures that block harmful UV radiation from the sun and help protect chromosomal DNA from UV damage. Understanding the photodynamics of the chromophores that make up eumelanin is therefore paramount.
Ashfold, Michael N R, Ashy, Thomas A, Frederick, Victoria C, Karsili, Tolga N V, Marchetti, Barbara   +4 more
core   +1 more source

Contrasting responses to riverine barrier modification and fish pass provision in two anadromous non‐salmonid species during their spawning migrations

Journal of Applied Ecology, EarlyView.
UtS succeeded in facilitating both species to pass weirs under lower flow conditions than before. Weir modification improved passage rates more than fish pass installation, although catchment‐scale benefits currently remain limited. Project legacies include identifying long‐term monitoring needs to measure accumulating catchment‐scale benefits, and ...
Mark I. A. Yeldham, J. Robert Britton, Charles Crundwell, Peter Davies, Jamie R. Dodd, Chris Grzesiok, Andrew D. Nunn, Randolph Velterop, Jonathan D. Bolland   +8 more
wiley   +1 more source

Azidoindolines—From Synthesis to Application: A Review [PDF]

Azide-containing compounds, organic azides, showcases a variety of reactivities, making them highly convenient and chameleonic intermediates. An indoline derivative has been proven to be of great significance in drug discovery due to its sp3-rich ...
Abe, Takumi
core   +1 more source

Transition metal-catalyzed carbonylation of nitrogen-containing heterocycles via C-H activation [PDF]

, 2018
The dissertation is mainly concerned with the development of transition metal-catalyzed carbonylation of nitrogen-containing compounds via C-H activation.
Wang, Zechao (gnd: 1161758518)
core   +1 more source

The physiological response of juvenile diploid and triploid Arctic charr Salvelinus alpinus to exhaustive exercise

Journal of Fish Biology, EarlyView.
Abstract Triploidy is an effective tool for producing sterile fishes but often results in impaired performance in commercial aquaculture. In light of this, our study compared the physiological response to exhaustive exercise in juvenile diploid and triploid Arctic charr Salvelinus alpinus, a polar species with great potential for aquaculture.
John D. Clark, Tillmann J. Benfey
wiley   +1 more source

The preparation of solid derivatives of monoalkyl ethers of ethylene glycol and diethylene glycol [PDF]

, 1941
Thesis (Ph.D.)--Boston UniversityIn the identification of any organic compound the final step is the formation of a solid derivative. This work was undertaken therefore, in an attempt to prepare solid compounds of the monoalkyl ethers of ethylene glycol ...
Manning, Joseph Francis
core   +1 more source