Results 201 to 210 of about 18,203,152 (258)

Stakeholders' perspectives on integrating point‐of‐care diagnostics into forensic death investigations in South Africa

Journal of Forensic Sciences, Volume 71, Issue 5, Page 2182-2192, September 2026.
Abstract Unnatural and unexplained deaths present critical challenges to the criminal justice, medico‐legal, and public health systems. This study explored forensic professionals' perspectives on the integration of point‐of‐care (POC) diagnostics into unnatural death investigations in South Africa.
Sebueng Ramatsokotla, Bathabile Soul, Kuhlula Maluleke, Lucinda Evert, Stefan Jansen van Vurren, Bettina Chale‐Matsau, Susan Mabotja, Evans Duah, Tivani Mashamba‐Thompson   +8 more
wiley   +1 more source

‘Emptiness filled with love’: A reflexive thematic analysis of chemsex trajectories among gay, bisexual and other men who have sex with men in Almaty, Kazakhstan, using a life course framework

Addiction, Volume 121, Issue 9, Page 2532-2544, September 2026.
Abstract Background and aims The intentional use of psychoactive substances to enhance sexual experiences, known as chemsex, is associated with human immunodeficiency virus (HIV) transmission, psychological distress and social isolation among gay, bisexual and other men who have sex with men (GBMSM).
Nikolay Lunchenkov, Nadezhda Cherchenko, Elena German, Susanna Rinne‐Wolf   +3 more
wiley   +1 more source

Ketogenic Diet and β‐Hydroxybutyrate Suppress Bladder Cancer Growth and Enhance Anti‐PD‐L1 Immunotherapy Efficacy

Cancer Science, Volume 117, Issue 9, Page 2379-2396, September 2026.
Ketogenic diet and β‐hydroxybutyrate (β‐HB) suppress bladder cancer growth through direct anti‐tumor mechanisms and enhance anti‐PD‐L1 immunotherapy efficacy. β‐HB upregulates PD‐L1 via JAK2‐STAT3 activation and remodels the tumor immune microenvironment, sensitizing tumors to immune checkpoint blockade. ABSTRACT The limited clinical efficacy of immune
Yuan Zeng, Gangli Gu, Lin Yang, Bohao Fan, Haochen Cui, Lei Yan, Zhao Liu   +6 more
wiley   +1 more source

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Degradation of poly(3-hydroxybutyrate) by poly(3-hydroxybutyrate) depolymerase from Alcaligenes faecalis T1

Biochimica Et Biophysica Acta - General Subjects, 1986
The extracellular poly(3-hydroxybutyrate) depolymerase purified from Alcaligenes faecalis T1 has two disulfide bonds, one of which appears to be necessary for the full enzyme activity. This depolymerase hydrolyzed not only hydrophobic poly(3-hydroxybutyrate) but also water-soluble trimer and larger oligomers of D-(-)-3-hydroxybutyrate, regardless of ...
Satoru Masamune, Kenkichi Tomita, Tetsuya Fukui   +2 more
exaly   +3 more sources

Preparation of alkyl (R)-(−)-3-hydroxybutyrate by acidic alcoholysis of poly-(R)-(−)-3-hydroxybutyrate

Enzyme and Microbial Technology, 2000
An efficient method for the preparation of optically active alkyl (R)-(-)-3-hydroxybutyrates by chemical depolymerization of biopolymer, poly-(R)-(-)-(3-hydroxybutyrate), was established. This method consists of simple recovery of poly-(R)-(-)-(3-hydroxybutyrate) from bacterial cells followed by acidic alcoholysis. When poly-(R)-(-)-(3-hydroxybutyrate)
Sang Yup Lee
exaly   +3 more sources

Amperometric probe for 3-hydroxybutyrate with immobilized 3-hydroxybutyrate dehydrogenase

Analytica Chimica Acta, 1988
Abstract The enzyme 3-hydroxybutyrate dehydrogenase is immobilized on a graphite electrode suitable for determination of NADH. Of the several procedures tested for the immobilization, direct adsorption on the electrode surface was most satisfactory, with useful lifetimes of up to 3 days.
G. Palleschi, H.S. Rathore, M. Mascini
openaire   +1 more source

Poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate)-based biopolymer systems

Biochemistry (Moscow) Supplement Series B: Biomedical Chemistry, 2011
Biodegradable biopolymers attract much attention in biology and medicine due to its wide application. The present review considers a biodegradable and biocompatible polymer of bacterial origin, poly(3-hydroxybutyrate), which has wide perspectives in medicine and pharmaceutics.
A. P. Bonartsev, G. A. Bonartseva, K. V. Shaitan, M. P. Kirpichnikov   +3 more
openaire   +1 more source

Anaerobic degradation of poly-3-hydroxybutyrate and poly-3-hydroxybutyrate-co-3-hydroxyvalerate

Biodegradation, 1997
The anaerobic degradation of the polyesters poly-3-hydroxybutyrate (PHB) and poly-3-hydroxybutyrate-co-3-hydroxyvalerate (PHBV) was investigated with special regard to intermediate products, kinetics, and yields. During the degradation of PHBV acetate, propionate, n-butyrate, and n-valerate were detected.
A, Reischwitz, E, Stoppok, K, Buchholz
openaire   +2 more sources

A chemical degradation of 3-hydroxybutyric acid

Analytical Biochemistry, 1978
Abstract A method is described for degrading 3-hydroxybutyric acid to obtain specifically and in good yield each of its carbons as CO 2 . The hydroxybutyrate is dehydrated to crotonic acid which is reduced to butyric acid. The butyric acid is then degraded stepwise utilizing the Schmidt reaction.
W C, Schumann, K, Kumaran, B R, Landau
openaire   +2 more sources

The kinetics of the thermal decomposition of poly(3‐hydroxybutyrate) and maleated poly(3‐hydroxybutyrate)

Journal of Applied Polymer Science, 2002
AbstractThe thermal decomposition mechanism of maleated poly(3‐hydroxybutyrate) (PHB) was investigated by FTIR and 1H NMR. The results of experiments showed that the random chain scission of maleated PHB obeyed the six‐membered ring ester decomposition process.
Cheng Chen, Bin Fei, Shuwen Peng, Yugang Zhuang, Lisong Dong, Zhiliu Feng   +5 more
openaire   +1 more source