Results 51 to 60 of about 2,141 (238)

Bacterial Pigments as Potential Antitumor Agents Against Gastrointestinal Cancers: A Comprehensive Systematic Review

open access: yesBiotechnology and Applied Biochemistry, EarlyView.
ABSTRACT Gastrointestinal cancers (GICs) constitute one of the leading causes of cancer‐related morbidity and mortality worldwide. Despite currently available therapeutic strategies, new approaches and procedures are needed for their prevention and treatment.
Raúl Vergara   +5 more
wiley   +1 more source

Efecto de los nutrientes en la diversidad de cianobacterias y en la producción de carbohidratos y polihidroxibutirato [PDF]

open access: yes, 2018
Se estudiará el crecimiento de cianobacterias para la producción de bioplásticos en ensayos de ...
Valldosera Granell, Maria
core   +1 more source

Toward personalized healthcare: Advances in two‐dimensional nanomaterial‐based flexible electrochemical sensors for physiological monitoring

open access: yesBMEMat, EarlyView.
This review provides an overview of the properties, composites and application of two‐dimensional (2D) nanomaterials for wearable electrochemical biosensors. Also, the challenges and future prospects of utilizing 2D nanomaterials in wearable electrochemical biosensor applications are discussed.
Kou Zhang   +8 more
wiley   +1 more source

From the Biopolymer PHB to Biological Investigations of Unnatural ?- and ?-Peptides

open access: yesCHIMIA, 2001
An overview is given of the past and present activities of our group in the field of chemical biology. Thus, the polymer of 3-hydroxybutanoic acid (PHS), which is omnipresent in living organisms, triggered our search for a better analytical ...
Dieter Seebach   +4 more
doaj  

Potentiometric Determination of the Stability Constants of 2-, 3- and 4-Hydroxybutyrato Complexes of Cobalt(II), Nickel(II), Cadmium(II) and Lead(II) [PDF]

open access: yes, 1978
The stability constants of the title complexes were determined potentiometrically using a quinhydrone electrode at (298.2 ± 0.1) K in buffer solutions of ionic strength 2 mol dm-3 adjusted by addition of NaC104• The numerical values of stability ...
B. Grabarić   +3 more
core   +1 more source

Chemical Straightening as a Source of Analytical Variability in Hair Testing: A Dual‐Analyte Case Report

open access: yesDrug Testing and Analysis, EarlyView.
ABSTRACT Hair analysis is increasingly used in forensic toxicology; however, result interpretation may be influenced by cosmetic hair treatments. Although the effects of bleaching, dyeing, and thermal straightening have already been evaluated, data on permanent chemical hair straightening are scarce, particularly under in vivo conditions.
Miriam Blanco‐Ces   +5 more
wiley   +1 more source

Fish Scales: A Multifunctional Biomaterial from Nature

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Fish scales demonstrate nature's solution to impact protection through overlapping multilayered architecture. This biological design combines mineralized surfaces with collagen networks to achieve both flexibility and fracture resistance. The structural principles inspire advanced protective materials and biomedical implants, where damage tolerance ...
Liyao Dong, Xiaojie Sun, Xiguang Chen
wiley   +1 more source

Transgenic expression of glucose dehydrogenase in Azotobacter vinelandii enhances mineral phosphate solubilization and growth of sorghum seedlings [PDF]

open access: yes, 2009
The enzyme quinoprotein glucose dehydrogenase (GDH) catalyses the oxidation of glucose to gluconic acid by direct oxidation in the periplasmic space of several Gram-negative bacteria. Acidification of the external environment with the release of gluconic
Podile, Appa Rao, Sashidhar, Burla
core   +1 more source

Metabolic abnormalities and reprogramming in cats with naturally occurring hypertrophic cardiomyopathy

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 1256-1270, April 2025.
Abstract Background and aims The heart is a metabolic organ rich in mitochondria. The failing heart reprograms to utilize different energy substrates, which increase its oxygen consumption. These adaptive changes contribute to increased oxidative stress.
Qinghong Li   +12 more
wiley   +1 more source

Novel Polyhydroxyalkanoate blends: their characterisation and possible applications [PDF]

open access: yes, 2012
Polyhydroxyalkanoates (PHAs) are polyesters consisting of 3-hydroxyalkanoic acids synthesised by numerous bacteria as storage compounds, in the presence of excess carbon, under nutrient limiting conditions.
Kanjirathumutil, C.T.   +1 more
core  

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