Results 81 to 90 of about 10,806 (203)

Fatty acids and glycerides are object recognition and carrying cues for foraging Camponotus modoc carpenter ants

open access: yesPhysiological Entomology, Volume 51, Issue 1, Page 29-39, March 2026.
Colour‐coded perlites were treated with specific fatty acids or mono‐, di‐ or triglycerides as perlite pickup cues for laboratory and field colonies of western carpenter ants. In laboratory and field experiments, ant colonies were offered multiple choices of these colour‐coded lipid‐treated perlites for pickup and transport to the nest.
Asim Renyard   +5 more
wiley   +1 more source

Proctolin and an Endogenous Proctolin-Like Peptide Enhance the Contractility of the Limulus Heart [PDF]

open access: yes, 1983
Synthetic proctolin increases the force but not the rate of heart contractions of Limulus in a time- and dose-dependent manner. The threshold of this effect is 3 × 10−10M and the ED50 is approximately 10−8M. At concentrations up to 10−7 M, proctolin has
Augustine, George J.   +2 more
core   +2 more sources

The role of ocelli in cockroach optomotor performance [PDF]

open access: yes, 2017
Insect ocelli are relatively simple eyes that have been assigned various functions not related to pictorial vision. In some species they function as sensors of ambient light intensity, from which information is relayed to various parts of the nervous ...
A Borst   +60 more
core   +2 more sources

Safety evaluation of the food enzyme trypsin from the genetically modified Fusarium venenatum strain NZYM‐FG

open access: yesEFSA Journal, Volume 24, Issue 3, March 2026.
Abstract The food enzyme trypsin (EC 3.4.21.4) is produced with the genetically modified Fusarium venenatum strain NZYM‐FG by Novozymes A/S. The genetic modifications do not give rise to safety concerns. The food enzyme was considered free from viable cells of the production organism and its DNA. The food enzyme is intended to be used in the processing
EFSA Panel on Food Enzymes (FEZ)   +19 more
wiley   +1 more source

(E, Z)-2, 6-nonadien-1-al and (E)-2-nonen-1-al Present in Crushed Cucumbers are Natural Repellents for the American Cockroach (Periplaneta Americana) [PDF]

open access: yes, 1984
Author Institution: Department of Chemistry, Kansas State UniversityThe compounds (E, Z)-2,6-nonadien-l-al and (E)-2-nonen-l-al that are present in crushed cucumbers were found to repel 98% of American cockroaches, Periplaneta americana L., when present ...
Meloan, C. E., Scriven, R.
core  

Concordance Analysis of ALEX‐2, ImmunoCAP, and Prick Test for Respiratory Allergies in Lima, Peru

open access: yesImmunity, Inflammation and Disease, Volume 14, Issue 1, January 2026.
ABSTRACT Background Accurate identification of respiratory allergen sensitization is essential for managing asthma and allergic rhinitis (AR). While Skin Prick Test (SPT) and ImmunoCAP are standard diagnostic tools, exploratory comparative data for the novel Allergy Explorer 2 (ALEX‐2) test in Latin American populations remain scarce.
César A. Galván   +3 more
wiley   +1 more source

Adipokinetic hormone enhances nodule formation and phenoloxidase activation in adult locusts injected with bacterial lipopolysaccharide [PDF]

open access: yes, 2003
Interactions between the locust endocrine and immune systems have been studied in vivo in relation to nodule formation and activation of the prophenoloxidase cascade in the haemolymph.
Chandrakant, S.   +2 more
core   +1 more source

The crude ethanol extract of Periplaneta americana L. stimulates wound healing in vitro & in vivo

open access: yesChinese Medicine, 2019
Periplaneta americana L. is a Traditional Chinese Medicine that has been used in clinic treatment of various diseases for a long history. However, the therapeutic potential and the underlying mechanism of Periplaneta americana L.
Long-Jian Li   +7 more
doaj   +1 more source

A role of corazonin receptor in larval-pupal transition and pupariation in the oriental fruit fly Bactrocera dorsalis (Hendel) (Diptera: Tephritidae) [PDF]

open access: yes, 2017
Corazonin (Crz) is a neuropeptide hormone, but also a neuropeptide modulator that is internally released within the CNS, and it has a widespread distribution in insects with diverse physiological functions.
Chen, Er-Hu   +7 more
core   +2 more sources

Fauna parasitaria de Periplaneta americana Linnaeus en un distrito de Lima

open access: yesRevista Peruana de Biología, 2014
Se investigaron algunos aspectos de los componentes comunitarios e infracomunitarios de la parasitofauna de Periplaneta americana en 100 especímenes colectados en buzones del distrito de Pueblo Libre, Lima, Perú, en invierno, entre agosto y setiembre de ...
José Iannacone   +2 more
doaj   +1 more source

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