Results 221 to 230 of about 13,429,421 (274)

Induction and Enhancement of Bacteriocin Production (Review)

Biotechnology and Bioengineering, EarlyView.
ABSTRACT Conventionally, bacteriocins are produced by microorganisms on complex substrates, released as semi‐purified preparations or crude fermentates. These bacteriocin‐containing products often exhibit unsatisfactory purity, low active‐substance content, and high production costs, limiting their commercialization and use. This review aims to analyze
Oksana Knysh, Artur Martynov
wiley   +1 more source

Controllable engineered probiotic microspheres for treating ulcerative colitis: A cascade enzyme‐catalyzed strategy to restore intestinal redox homeostasis

BMEMat, EarlyView.
A dual strategy integrating genetic engineering and physical encapsulation was proposed to enhance the cell viability and antioxidant properties of probiotics. The cascade antioxidant enzymes released from probiotic microspheres restore intestinal redox homeostasis by eliminating intestinal reactive oxygen species for ulcerative colitis treatment ...
Xiaolong Mao, Xiangwei Lv, Miaomiao Zhang, Jiayi Liu, Yun Chen, Yunna Li, Gaoyuan Liu, Fuming Yang, Ziqiang Han, Yunyun Wei   +9 more
wiley   +1 more source

Bridging the translational gap in clinical nanomedicine: From rational design to clinical reality

BMEMat, EarlyView.
Nanotechnology offers a multi‐faceted approach to modern healthcare, encompassing high‐sensitivity diagnostic imaging, innovative vaccine delivery, and targeted therapeutics. This review explores how these nanomedicine applications address critical challenges in cancer recurrence and the treatment of neurologic and respiratory diseases to combat rising
Ahmed H. Ghonaim, Marwa Ahmed El‐Naka, Wedad M. Nageeb, Atta Ullah Khan, Noura M. Seleem, Aliaa Abdelghafar, Doaa Zamel, Yang Liu, Qigai He, Wentao Li   +9 more
wiley   +1 more source

Amino Acid and Biogenic Amine Profiles in Sausages Reformulated With Processed, Fermented Oyster Mushrooms

ChemFoodChem, EarlyView.
This research showed that sausage reformulation preserves high essential amino acid and branched‐chain amino acid content, as well as increasing free amino acids (FAA) related to umami flavor and health‐promoting components such as GABA in the products.
Albert Gashi, György Kenesei, Meltem Boylu Kovács, Zsuzsanna Mednyánszky, Livia Simon Sarkadi   +4 more
wiley   +1 more source

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Vibrational spectra of l-histidine perchlorate and l-histidine tetrafluoroborate

Vibrational Spectroscopy, 2007
Abstract Attenuated total reflection Fourier transform infrared (FT-IR ATR) and Fourier transform Raman spectra of l -histidine perchlorate ( l -His.HClO4) and l -histidine tetrafluoroborate ( l -His.HBF4) crystals are discussed and compared with previously published data.
A M Petrosyan
exaly   +2 more sources

l-Histidine nitrates

Journal of Molecular Structure, 2006
Abstract Crystals l -histidine·HNO 3 ·H 2 O, l -histidine·HNO 3 , l -histidine·2HNO 3 have been studied by attenuated total reflection Fourier transform infrared (FT-IR ATR) and Fourier transform Raman spectroscopy. Crystal structure of l -histidine·HNO 3 ·H 2 O has been determined. l -histidine·HNO 3 is promising as nonlinear optical material.
H A Karapetyan, A M Petrosyan
exaly   +2 more sources

Photolysis of L-Histidine

Nature, 1965
IT is well known that ultra-violet irradiation of proteins can cause changes of physiological importance but, despite the increasing number of publications on aspects of this problem, little is known of the primary processes which must precede or accompany the destruction of the macromolecule.
R B, Johns, T, Jaskewycz
openaire   +2 more sources

L-histidine iodides

Journal of Molecular Structure, 2019
In the present work we investigated salt formation in the L-histidine(L-His) þ HI þ H2O system. Single crystals of six salts have been obtained and their crystal and molecular structures have been determined: monoclinic (L-HisH)I (I), monoclinic (L-HisH)I (II), orthorhombic (L-HisH)I (III), (L-HisH2)I2 (V), (L-HisH2) I2$H2O (VI) and (L-HisH$$$L-HisH2 ...
Giester, Gerald, Ghazaryan, V. V., Fleck, Michel, Tonoyan, G.S., Petrosyan, Aram M.   +4 more
openaire   +1 more source

Identification of l-histidine oxidase activity in Achromobacter sp. TPU 5009 for l-histidine determination

Journal of Bioscience and Bioengineering, 2021
An enzyme showing l-histidine oxidase (HisO) activity by the formation of hydrogen peroxide was newly purified from Achromobacter sp. TPU 5009. This enzyme was found to be a heterodimer of two proteins (molecular mass, 53.8 and 58.3 kDa), the partial determination of which indicated they are homologs of l-histidine ammonia-lyase (AchHAL) and urocanate ...
Daisuke Matsui, Yusuke Okayama, Yoshiki Yamamoto, Yuna Miyauchi, Zhenyu Zhai, Yasuhisa Asano   +5 more
openaire   +2 more sources

A thermodynamic and spectroscopic study of the proton and copper(II) complexes of L-prolyl-L-histidine, D-prolyl-L-histidine, L-histidyl-L-histidine, and D-histidyl-L-histidine

Journal of the Chemical Society, Dalton Transactions, 1987
The syntheses of optically pure L-Pro-L-His, D-Pro-L-His, L-His-L-His, and D-His-L-His (HL)(Pro = proline, His = histidine) are reported together with the results of a potentiometric and spectroscopic study of their proton and copper(II) complexes at 25 °C and I= 0.10 mol dm–3(KNO3).
Cynara E. Livera, Leslie D. Pettit, Michel Bataille, Bruno Perly, Henryk Kozlowski, Barbara Radomska   +5 more
openaire   +2 more sources