Results 71 to 80 of about 174,959 (338)

Constituintes químicos fixos e voláteis dos talos e frutos de Piper tuberculatum Jacq. e das raízes de P. hispidum H. B. K. Fixed and volatile chemical constituents from stems and fruits of Piper tuberculatum Jacq. and from roots of P. hispidum H. B. K.

Acta Amazonica, 2008
Os óleos essenciais dos frutos e talos finos de Piper tuberculatum e das raízes de P. hispidum, coletados no estado de Rondônia, foram obtidos por hidrodestilação e analisados por GC e GC-MS. Foram identificados como constituintes majoritários, nos óleos
Valdir Alves Facundo, Aline Roberta Pollli, Rosely Valéria Rodrigues, Júlio S. L Teixeira Militão, Rodrigo Guerino Stabelli, Cosuelo Tamiris Cardoso   +5 more
doaj   +1 more source

Social marketing: Immunizing against unethical practice [PDF]

, 2012
A simple approach for the catalytic conversion of primary alcohols into their corresponding esters and amides, with evolution of H2 gas using in situ formed ruthenium PNP- and PNN-pincer catalysts, is presented.
Ben-David, Y., Leitner, W., Milstein, D., Prechtl, M. H. G., Theyssen, N., Wobser, K.   +5 more
core   +2 more sources

Smart, Bio‐Inspired Polymers and Bio‐Based Molecules Modified by Zwitterionic Motifs to Design Next‐Generation Materials for Medical Applications

Advanced Functional Materials, EarlyView.
Bio‐based and (semi‐)synthetic zwitterion‐modified novel materials and fully synthetic next‐generation alternatives show the importance of material design for different biomedical applications. The zwitterionic character affects the physiochemical behavior of the material and deepens the understanding of chemical interaction mechanisms within the ...
Theresa M. Lutz, Jonas De Breuck, Sahar Salehi, Meike N. Leiske   +3 more
wiley   +1 more source

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

Advanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva, Giulio Fatti, Emanuel Carlos, Guilherme Ferreira, Sumita Goswami, Suman Nandy, Luiz H. C. Mattoso, Elvira Fortunato, Caio G. Otoni, Rodrigo Martins   +9 more
wiley   +1 more source

Synthesis, structure and properties of N-R-amides and hydrazides of 2-[4-R-5-(theophylline-7ʹ-yl)-1,2,4-triazole-3-ylthio]acetic acid

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2017
One of the most important tasks of modern pharmaceutical science is the search for new biologically active substances, which have high efficacy and low toxicity.
A. S. Gotsulya
doaj   +1 more source

Multifunctional Protein Eutectogels Based on Polyphenolic: Zwitterionic Low‐Transition‐Temperature Mixtures

Advanced Functional Materials, EarlyView.
This work presents the first example of multifunctional protein eutectogels based on a tannic acid: betaine low‐transition‐temperature mixture, exhibiting elastomeric behavior, strong adhesion to various substrates, including biological tissues, and notable anti‐inflammatory properties derived from the natural polyphenol and zwitterion.
Sergio Martin‐Saldaña, Alberto de León, María de la Mata, Nikolaos Politakos, Jorge L. Olmedo‐Martínez, Alejandro J. Müller, Ana Beloqui, Marcelo Calderón, Matias L. Picchio   +8 more
wiley   +1 more source

Fluorescent Nanodiamonds Based Theranostic Platform for pH‐Sensitive Drug Delivery and Quantum Sensing

Advanced Functional Materials, EarlyView.
A multifunctional nanodiamond platform enables pH‐triggered Diazoxide (DZX) delivery and quantum sensing of subcellular radical dynamics in triple‐negative breast cancer cells. Diamond relaxometry revealed reduced lysosomal radicals during DZX‐induced mitochondrial radical elevation, providing insights into redox modulation and organelle‐ resolved ...
Kaiqui Wu, Siyu Fan, Yue Zhang, Willem Woudstra, Thomas Mulder, Laurens Boscher Navarro, Jur van Dijken, Katja Loos, Romana Schirhagl   +8 more
wiley   +1 more source

Bases of inorganic and organic chemistry [PDF]

, 2016
Stated fundamental theoretical principles of general, inorganic and organic chemistry and analyzed the reactivity of the most important classes of inorganic and organic substances. A multivariate tasks and exercises for classroom and independent work are
Alami, D., Slavkova, M., Ved, M.
core  

Device Integration Technology for Practical Flexible Electronics Systems

Advanced Functional Materials, EarlyView.
Flexible device integration technologies are essential for realizing practical flexible electronic systems. In this review paper, wiring and bonding techniques critical for the industrial‐scale manufacturing of wearable devices are emphasized based on flexible electronics.
Masahito Takakuwa, Kento Yamagishi, Sunghoon Lee, Yusaku Tagawa, Takao Someya, Tomoyuki Yokota   +5 more
wiley   +1 more source

Electrospun polyvinyl alcohol/carbon dioxide modified polyethyleneimine composite nanofiber scaffolds [PDF]

, 2014
A novel biocompatible polyvinyl alcohol/carbon dioxide modified polyethyleneimine (PVA/PEI-CO2) composite nanofiber was fabricated by a green and facile protocol, which reduces the cytotoxicity of PEI through the surface modification of the PEI with CO2.
Bremner, David H., Nie, Hua-Li, Quan, Jing, Wu, Han-Bing, Zhu, Li-Min   +4 more
core   +3 more sources