Results 41 to 50 of about 1,182 (166)

CLINICAL PRESENTATION AND OUTCOME OF PATIENTS WITH PARAPHENYLENEDIAMINE (KALA-PATHAR) POISONING

Gomal Journal of Medical Sciences, 2016
Background: Paraphenylenediamine (kala pathar) poisoning is an emerging way of self-harm in developing countries. The objective of this study was to explore the clinical course and outcome of patients with this poisoning.
Habibullah Khan, Nisar Khan, Nowshad Khan, Iftikhar Ahmad, Faizan Shah, Atif Ur Rahman, Irfanullah Mahsud   +6 more
doaj  

Determination of Para-Phenylenediamine (PPD) in Henna Samples Collected from Libyan Local Markets Using HPLC

مجلة المختار للعلوم, 2022
Henna is frequently used as body adornment in Libya, the Arabic world, and some African and Asian countries. It is part of the traditions and cultures.
Galal M. Elmanfe, Osama E. Khreit , Omukalthum A. Abduljalil , Najah M. Abbas   +3 more
doaj   +1 more source

Transcriptomic Analysis of Allergic Patch Test Reactions in Non‐Atopic Patients: A Comparative Study Across Multiple Allergens

Allergy, Volume 80, Issue 11, Page 3043-3054, November 2025.
This study investigated the immune mechanisms underlying allergic contact dermatitis (ACD) in response to four distinct allergens by using RNA sequencing in a cohort of 40 non‐atopic patients and 19 controls. A shared ACD imprinting across allergens showed strong innate and adaptive responses, dominated by type 1 immunity but with mixed immune ...
David Pesqué, Evelyn Andrades, Pau Berenguer‐Molins, Júlia Perera‐Bel, Miquel Clarós, Marta Bódalo‐Torruella, Mònica González‐Farré, Fernando Gallardo, Ramon M. Pujol, Ana M. Giménez‐Arnau   +9 more
wiley   +1 more source

Repeated Dermal Paraphenylenediamine Exposure Induces Systemic Biochemical and Histological Changes in Adult male Albino Rats [PDF]

Ain Shams Journal of Forensic Medicine and Clinical Toxicology, 2014
Paraphenylenediamine (PPD) is a synthetic compound that is widely used as a hair dye. This study investigated biochemical and histological effects after repeated PPD dermal application.
Safaa Shaker, Hend ElHelaly
doaj   +1 more source

Covalent Binding of Dexamethasone to Polyimide Improves Biocompatibility of Neural Implantable Devices

Advanced Healthcare Materials, Volume 14, Issue 21, August 19, 2025.
The covalent binding of dexamethasone to the surface of polyimide represents the electrically inert part of implantable intraneural devices. This ensures a sustained release of the drug for 9 weeks. In vitro and in vivo tests confirm the reduction of the foreign body reactions and the improved biocompatibility of dexamethasone functionalized polyimide.
Giulia Turrin, Jose Crugeiras, Chiara Bisquoli, Davide Barboni, Martina Catani, Bruno Rodríguez‐Meana, Rita Boaretto, Michele Albicini, Stefano Caramori, Claudio Trapella, Thomas Stieglitz, Yara Baslan, Hanna Karlsson‐Fernberg, Fernanda L. Narvaez‐Chicaiza, Edoardo Marchini, Alberto Cavazzini, Ruben López‐Vales, Maria Asplund, Xavier Navarro, Stefano Carli   +19 more
wiley   +1 more source

Obstrucción aguda de la vía respiratoria superior y rabdomiolisis luego de intoxicación por tintura para el cabello Acute upper respiratory obstruction and rhabdomiolysis due to intoxication with a hair dye

Iatreia, 2004
Las intoxicaciones por tinturas para el cabello son infrecuentes en Antioquia; sin embargo, su toxicidad es potencialmente letal cuando ingresan al organismo por vía oral al producir un compromiso multiorgánico que puede llevar a la muerte del paciente ...
Claudia Arroyave, Augusto Quevedo Vélez
doaj  

FEASIBILITY OF USING CHLORAL HYDRATE TO INCREASE THE TOXICITY OF PARAPHENYLENEDIAMINE (PPD) AGAINST THREE RODENT SPECIES UNDER LABORATORY CONDITIONS [PDF]

Journal of Plant Protection and Pathology, 2014
The present work aims to use three concentrations (1, 2 and 3%) of Chloral hydrate adding to 4% Paraphenylenediamine (PPD) (Saudi, 2012) in order to improve of PPD against three rodent species: Norway rat, Rattus norvegicus, Nile grass rat, Arvicanthis ...
S. Baghdadi, A. Desoky, M. Aboshosha, H. Ahmed   +3 more
doaj   +1 more source

Premature hair graying: a multifaceted phenomenon

International Journal of Dermatology, Volume 64, Issue 5, Page 819-829, May 2025.
Abstract Premature hair graying (PHG) is the early loss of natural hair color, influenced by genetic, biological, and environmental factors. This review discusses the significant psychological impacts of PHG and explores its underlying mechanisms, related health conditions, and available treatments.
Deesha D. Desai, Maria Karim, Ambika Nohria, Carli Needle, Anna Brinks, Caitlin A. Kearney, Amy Ridge, Natasha Mesinkovska, Jerry Shapiro, Kristen I. Lo Sicco   +9 more
wiley   +1 more source

Chemical leucoderma: Indian scenario, prognosis, and treatment

Indian Journal of Dermatology, 2010
Chemical leucoderma is an industrial disorder in developed countries and the common causative chemicals are phenols and catechols. Due to stringent controls and preventive measures the incidence has come down.
Bajaj A, Saraswat Abir, Srivastav P
doaj  

Long‐Term Observations on the European Photopatch Test Baseline Series (EPTBS) in Real Clinical Practice: 11 Years of Results in a Spanish Cohort and Suggestions for an EPTBS Update

Contact Dermatitis, Volume 92, Issue 4, Page 277-282, April 2025.
ABSTRACT Background The European Photopatch Testing Baseline Series (EPTBS) was published in 2013. However, limited data exist regarding the real‐world clinical application of the EPTBS. Objectives This study aims to describe the photopatch test experience with the EPTBS over 11 years at a tertiary hospital in Spain.
Sofia Gómez‐Martínez, Magí Brufau‐Cochs, Javier de la Iglesia‐Martín, Victoria Amat‐Samaranch, Paula Aguilera‐Peiró   +4 more
wiley   +1 more source