Antimycobacterial and Nitric Oxide Production Inhibitory Activities of Goyazensolide and Centratherin Isolated From Eremanthus crotonoides by High‐Speed Countercurrent Chromatography [PDF]
Chemistry &Biodiversity, Volume 23, Issue 3, March 2026.ABSTRACT In this study, bioassay‐guided fractionation of the ethanolic extract from Eremanthus crotonoides leaves enabled the isolation of two bioactive sesquiterpene lactones, centratherin and goyazensolide, which were evaluated for their antimycobacterial and anti‐inflammatory properties.
Natalie Giovanna da Rocha Ximenes +7 more
wiley +2 more sources
Microbial Chemical Diversity and Cytotoxic Potential From Brazilian Ferruginous Caves: A Pioneering Metabolomic Survey [PDF]
Chemistry &Biodiversity, Volume 23, Issue 1, January 2026.ABSTRACT Cave microbiomes represent a rich yet understudied source of chemical diversity with biotechnological properties. Microorganisms in these environments thrive under extreme conditions such as darkness, oligotrophy, and high concentrations of inorganic matter like iron ore.
Natália Naomi Kato +5 more
wiley +2 more sources
Tabernaemontana catharinensis: A Source of Indole Alkaloids With Potential Activity as Chemotherapeutic Agents [PDF]
Chemistry &Biodiversity, Volume 23, Issue 4, April 2026.ABSTRACT This study aimed to evaluate the antitumor activity of fractions rich in indole alkaloids extracted from the leaves of the species Tabernaemontana catharinensis. The chemical composition was analyzed using high‐resolution mass spectrometry (HRMS), which identified nine known indole alkaloids, including voacangine, voacangine hydroxyindolenine,
Ana Júlia Gomes Donada +5 more
wiley +2 more sources
Inovação colaborativa: uma abordagem aberta no desenvolvimento de novos produtos
RAE Revista De Administracao De Empresas, 2012 As estratégias que as empresas têm adotado para promover inovações tecnológicas de produtos e serviços vêm mudando significativamente nos últimos anos.
Alsones Balestrin, Balestrin Alsones
exaly +2 more sources
Tourism as a driver of economic and social development in underdeveloped regions
Regional Science Policy &Practice, EarlyView., 2023 Abstract Cross‐border cooperations have been usually approached by developing trade agreements between international regions to upgrade their socioeconomic conditions and promote international tourism flows in territories. However, little attention has been paid to the role that tourist companies play in underprivileged territories highly dependent on ...
Rafael Robina‐Ramírez +3 more
wiley +1 more source
Leaf relative chlorophyll content as an indicator parameter to predict nitrogen fertilization in maize [PDF]
Ciência Rural, 2004 The development of a portable chlorophyll meter (SPAD 502), that takes instantaneous measurements of greenness without leaf destruction, has emerged as a new tool to assess plant N status.
Gilber Argenta +2 more
doaj +1 more source
EVALUATION OF CORROSION RESISTANCE OF STEEL SHEETS FOR AUTOMOTIVE INDUSTRY WITH THE USE OF THE SPOTFACE TECHNIQUE [PDF]
Tecnologia em Metalurgia, Materiais e Mineração, 2013 Innovation, leading to weight and cost reduction, is a key word concerning the design of steel auto body for auto makers that aim to keep and improve their market share worldwide.
Alberto Nei Carvalho Costa +4 more
doaj +1 more source
USE OF NANOTECHNOLOGY PRE-TREATMENT IN AUTOMOTIVE PAINTING LINE [PDF]
Tecnologia em Metalurgia, Materiais e Mineração, 2012 The current safety requirements, environmental impacts and performance have been ledding the automotive industry to search for new alternatives, not just for new car bodies materials, also for new sheet surface treatments as well, used in the painting ...
Alberto Nei Carvalho Costa +4 more
doaj +1 more source
ModaPalavra e-periódico, 2018 O objetivo deste estudo é analisar o processo de desenvolvimento de produtos de moda, identificar suas principais atividades e compreender como tais atividades estão distribuídas entre os elos da cadeia de valor.
Marilia Piccinini da Carvalhinha +1 more
doaj +5 more sources
Design e Tecnologia, 2013 No Brasil, apesar da importância do processo de gestão de design, o foco de investigação nesta área é bastante recente. Parte desses estudos são direcionados para grandes empresas de diferentes segmentos de mercado.
Mauricio Moreira e Silva Bernardes +3 more
doaj +1 more source