Results 71 to 80 of about 275,228 (208)

Network Topology as a Driver of Bistability in the lac Operon [PDF]

open access: yesJ Comput Biol. 2011 Jun;18(6):783-94, 2008
The lac operon in Escherichia coli has been studied extensively and is one of the earliest gene systems found to undergo both positive and negative control. The lac operon is known to exhibit bistability, in the sense that the operon is either induced or uninduced. Many dynamical models have been proposed to capture this phenomenon.
arxiv   +1 more source

Physicochemical characterisation of inhalation grade lactose after the removal of intrinsic fines [PDF]

open access: yes, 2018
Lactose is a common excipient in Dry Powder Inhaler (DPI) formulations, used as a carrier for the micronized drug particles. The presence of intrinsic lactose fines in the formulation influences its performance and their role and interactions between the
Mobli, Arian   +2 more
core  

Considerations for development of lactose-free food

open access: yesJournal of Nutrition & Intermediary Metabolism, 2019
Lactose intolerance is a pathophysiological situation that occurs due to insufficiency of the “lactase” enzyme present in the jejunum. Ingestion of lactose containing products leads to alteration in intestinal digestion and colonic fermentation, leading ...
Sheenam Suri   +9 more
doaj  

Avaliação da composição e do perfil de ácidos graxos do leite de vaca cru e pasteurizado em minilaticínios - DOI: 10.4025/actascianimsci.v25i2.2019

open access: yesActa Scientiarum: Animal Sciences, 2008
Este trabalho teve como objetivo a avaliação da composição e do perfil de ácidos graxos do leite de vaca, antes e após o processo industrial de pasteurização rápida, conduzido em quatro minilaticínios das regiões de Maringá e de Londrina, Estado do ...
Lucimar Gonçalves de Souza   +6 more
doaj   +1 more source

Carbon source utilization patterns in dental plaque and microbial responses to sucrose, lactose, and phenylalanine consumption in severe early childhood caries

open access: yesJournal of Oral Microbiology, 2020
Background Severe early childhood caries (S-ECC) is mainly caused by the interaction of microbiota and environmental factors. However, the metabolic profiles of S-ECC microbial communities and the community-level microbial responses to carbohydrates and ...
Weihua Shi   +5 more
doaj   +1 more source

Hybridization Induced Transparency in composites of metamaterials and atomic media [PDF]

open access: yesOpt. Express 19, 23573-23580 (2011), 2011
We report hybridization induced transparency (HIT) in a composite medium consisting of a metamaterial and a dielectric. We develop an analytic model that explains HIT by coherent coupling between the hybridized local fields of the metamaterial and the dielectric or an atomic system in general.
arxiv   +1 more source

TEOR DE LACTOSE EM LEITE EM PÓ E/OU COMPOSTO LÁCTEO TIPO ZERO LACTOSE

open access: yesRevista Uningá, 2021
A lactose é um dissacarídeo formado por glicose e galactose. Indivíduos com deficiência ou ausência da enzima responsável pela digestão da lactose, a lactase, são diagnosticados como intolerantes à lactose.
Márcia Keller Alves, Raquel Pedroni
doaj  

Produção, composição do leite e exigências nutricionais de cabras Saanen em diferentes ordens de lactação - DOI: 10.4025/actascianimsci.v28i4.607

open access: yesActa Scientiarum: Animal Sciences, 2008
Foram utilizadas 20 cabras da raça Saanen, 10 de primeira lactação (P1) e 10 de lactações posteriores, por um período de lactação de 150 dias. Foram feitas duas ordenhas diárias e o controle leiteiro foi realizado diariamente.
Luciana Rodrigues   +5 more
doaj   +1 more source

Formulation pre-screening of inhalation powders using computational atom-atom systematic search method [PDF]

open access: yes, 2014
This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.The synthonic modeling approach provides ...
Collins, Elizabeth   +10 more
core   +2 more sources

Regulation of metabolism in Escherichia coli during growth on mixtures of the non-glucose sugars: arabinose, lactose, and xylose

open access: yesScientific Reports, 2018
Catabolite repression refers to the process where the metabolism of one sugar represses the genes involved in metabolizing another sugar. While glucose provides the canonical example, many other sugars are also known to induce catabolite repression ...
E. Ammar, Xiaoyi Wang, C. V. Rao
semanticscholar   +1 more source

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