Results 81 to 90 of about 1,455 (188)

Factors Influencing Serum Copper and Ceruloplasmin Oxidative Activity in the Rat

, 1958
The effect of turpentine, estradiol benzoate and epinephrine hydrochloride on the copper concentration and paraphenylenediamine oxidase activity of serum were studied in the male albino rat.
B. J. Meyer, M. K. Horwitt, A. C. Meyer
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Πρότυπα πρόκλησης Αλλεργικής Δερματίτιδας εξ Επαφής από κοινά αλλεργιογόνα

, 2022
Το δέρμα είναι το μεγαλύτερο όργανο του ανθρώπινου σώματος και έρχεται συχνά σε άμεση και έμμεση επαφή με ουσίες από το περιβάλλον. Η αλλεργική δερματίτιδα εξ επαφής είναι μια από τις πιο συχνές δερματικές παθήσεις και επηρεάζει σημαντικά την ποιότητα ...
Kanellopoulou Eirini-Dimitra, Κανελλοπούλου Ειρήνη-Δήμητρα   +1 more
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Para-Phenylenediamine Induces Apoptotic Death of Melanoma Cells and Reduces Melanoma Tumour Growth in Mice

Biochemistry Research International, 2016
Melanoma is one of the most aggressive forms of cancer, usually resistant to standard chemotherapeutics. Despite a huge number of clinical trials, any success to find a chemotherapeutic agent that can effectively destroy melanoma is yet to be achieved ...
Debajit Bhowmick, Kaushik Bhar, Sanjaya K. Mallick, Subhadip Das, Nabanita Chatterjee, Tuhin Subhra Sarkar, Rajarshi Chakrabarti, Krishna Das Saha, Anirban Siddhanta   +8 more
doaj   +1 more source

Protective Role of N-Acetylcysteine Against Hair Dye-Induced Hepatorenal Toxicity in Rats: Biochemical Assessment and Trace Detection of p-Phenylenediamine Using Gas Chromatography-Mass Spectrometry [PDF]

Zagazig Journal of Forensic Medicine and Toxicology
Background:Paraphenylenediamine (PPD), a primary ingredient in many commercial hair dye products, has been implicated in acute systemic toxicity upon ingestion or dermal exposure. This study investigated the toxic effects of PPD in an acute rat model and
randa Abdelhady, Heba Yassa, Mai Yosef Elkabsh, Marwa Mahmoud, Eman Shaltout   +4 more
doaj   +1 more source

An itchy erythematous temporary holiday tattoo [PDF]

, 2011
Temporary henna tattoos are very popular among travelers visiting Southeast Asia as they are cheap, safe, easy to remove, and not painful. A potent allergen, paraphenylenediamine is usually added to the henna to give a darker, more appealing color and to
Yap, Felix Boon-Bin, Felix Boon-Bin Yap
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Toxicological Impacts of Para-Phenylenediamine Exposure from Hair Dyes: A Review Article

Bulletin of Pharmaceutical Sciences. Assiut University
The aromatic amine known as para-phenylenediamine (PPD) is a substance that is commonly used and can be found in hair dyes, industrial items, and preparations for temporary tattoos. As a result of its widespread availability, low cost, and frequent usage,
Mohammed Abd El Ati, Samira Saleh, Om Koulthoum Abozeid Soliman, Yousry Radwan, Doaa Elshehaby   +4 more
doaj   +1 more source

Para-phenylenediamine allergy: current perspectives on diagnosis and management

Journal of Asthma and Allergy, 2017
Krishna Sumanth Mukkanna,1 Natalie M Stone,2 John R Ingram3 1Dermatology Department, Abertawe Bro Morgannwg University Health Board, Swansea, 2Dermatology Department, Aneurin Bevan University Health Board, Newport, 3Division of Infection and Immunity ...
Mukkanna KS, Stone NM, Ingram JR
doaj  

Hybrid Siloxane Materials Based on a Mutually Reactive Epoxy–Amine System: Synthesis, Structure, and Thermal Stability Investigations

Inorganics
Hybrid siloxane materials based on a mutually reactive epoxy–amine system are organic-inorganic hybrid materials synthesized via the sol–gel reaction of siloxane precursors, followed by the polymerization of organo-functionalized oligosiloxanes ...
Maria Emiliana Fortună, Maria Ignat, Niţă Tudorachi, Elena Ungureanu, Răzvan Rotaru, Valeria Harabagiu   +5 more
doaj   +1 more source

Synthesis and characterization of a conjugated multifunctional oligomer derived from para-phenylenediamine and catechol

Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry
A p-phenylenediamine-catechol-based oligomer was synthesized via oxidative polycondensation in an acidic medium under ultrasonic irradiation, employing potassium persulfate as the oxidant to obtain an oligomeric material.
Ramil Rzayev, Natalia Sucman, Eduard Monaico, Ion Geru, Alina Florica Nicolescu, Călin Deleanu, Valentin Batir, Bakhtiyar Mammadov, Rena Akhmedova, Fliur Macaev   +9 more
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Exposure to paraphenylenediamine and its relationship With occupational dermatitis in beauty salon workers – Los Olivos, 2024

La presente tesis tuvo por objetivo evaluar la relación que existe entre la parafenilendiamina y la dermatitis ocupacional en trabajadores de salones de belleza - Los Olivos, 2024. Se utilizó el método hipotético-deductivo, con un enfoque cuantitativo,
Guevara Garcia, Sadith Sesy, Coronel Silva, Consuelo Alvina   +1 more
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