Results 121 to 130 of about 3,070,751 (338)

The Effect of Variation in Solvent Concentration on Caffeine Content in Green Arabica Coffee Bean Extract (Coffea arabica) using UV-Vis Spectrophotometry

Journal of Food and Pharmaceutical Sciences
Coffee is one type of beverage that is widely favoured by the community, Arabica coffee plants are a variant that grows a lot in Indonesia. Coffee beans contain various chemical compounds, one of which is caffeine.
Nanda Tsalasani Zulfaidah, Endah Kurniawati, Gita Herdittya Putri, Fitria Widiani   +3 more
doaj   +1 more source

Intraoperative Collection of Ascitic Fluid With Intra‐ or Postoperative Reinfusion in Ovarian Cancer: Safety and Feasibility of a Roller Pumping Method

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Patients with ovarian cancer often present with massive ascites, leading to significant protein loss during surgical procedures. Although cell‐free concentrated ascites reinfusion therapy (CART) is used in palliative settings to mitigate protein loss, its application in intraoperative settings remains unexplored.
Yutaka Yoneoka, Tsukuru Amano, Akimasa Takahashi, Mari Deguchi, Hiroyuki Yamanaka, Yuji Tanaka, Shunichiro Tsuji, Takashi Murakami   +7 more
wiley   +1 more source

Optimization of a methodology for speciation of arsenic, selenium and mercury in blood samples based on the deep eutectic solvent

MethodsX, 2019
In this research, a new liquid phase microextraction based on the solidification of deep eutectic solvent (LPME–SDES) has been developed for the speciation of As(III), As(V), Se(IV), Se(VI), Hg(II) and organic mercury (R-Hg) in the blood of children ...
Reza Akramipour, Mohammad Reza Golpayegani, Mahmoud Ghasemi, Negar Noori, Nazir Fattahi   +4 more
doaj   +1 more source

Formulation procedures, rationale, and preliminary IMP-H flight data for silicone paints with improved stability [PDF]

Results are given of a class of silicone paints undergoing space qualification on IMP-H. In addition to ultraviolet irradiation, samples are presently reclining about 10 to the 16th power solar wind protons per year.
Schutt, J. B., Shai, C. M.
core   +1 more source

Green Solvent Mixtures for Solid-Phase Peptide Synthesis: A Dimethylformamide-Free Highly Efficient Synthesis of Pharmaceutical-Grade Peptides

ACS Sustainable Chemistry and Engineering, 2019
To replace dimethylformamide (DMF) in fluorenylmethoxycarbonyl (Fmoc) solid-phase peptide synthesis, we explored the application of mixtures of green solvents (green solvents mixtures for solid-phase peptide synthesis (GM-SPPS)) as combinations of Cyrene
L. Ferrazzano, Dario Corbisiero, Giulia Martelli, A. Tolomelli, Angelo Viola, Antonio Ricci, W. Cabri   +6 more
semanticscholar   +1 more source

Liquid Hydroxyurea (Xromi) for Children With Sickle Cell Anemia: A New Solution Compounding Existing Problems

Pediatric Blood &Cancer, EarlyView.
Alexandra Power‐Hays, Charles T. Quinn
wiley   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

FEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin, Tingting Chen, James A. Letts   +2 more
wiley   +1 more source

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

FEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi, Pilar Samperio Ventayol, Natalie Burkard, Nicolas Schlegel, Carmen Aguilar, Sina Bartfeld   +5 more
wiley   +1 more source

Synthesis of pyrano[2,3-d]pyrimidine scaffolds promoted by polyfluorinated alcohol as a reusable solvent/catalyst

Results in Chemistry
Using principles of green chemistry, a safe way to make pyrano[2,3-d]pyrimidine scaffolds is described. This is done by combining barbituric acid/1,3-dimethylbarbituric acid, malononitrile, aryl aldehydes in a green way, using polyfluorinated alcohol as ...
Farzaneh Mohamadpour
doaj   +1 more source