Results 21 to 30 of about 2,701 (207)

Adsorption of plant phenols by polystyrene resins

open access: yesActa Societatis Botanicorum Poloniae, 2014
Adsorption of nine plant phenols by nine polystyrene ion-exchange resins was investigated in an experimental model system. The phenols were adsorbed by Amberlite CG-120 more efficiently than any other acidically charged resins tested in this study.
Akiyoshi Fukushima   +2 more
doaj   +1 more source

A quantitative relationship between Tgs and chain segment structures of polystyrenes

open access: yesPolímeros
The glass transition temperature (Tg) is a fundamental characteristic of an amorphous polymer. A quantitative structure-property relationship (QSPR) based on error back-propagation artificial neural network (ANN) was constructed to predict Tgs of 107 ...
Xinliang Yu, Xianwei Huang
doaj   +1 more source

ANALYSIS THE FORMULA OF STRESS INTENSITY FACTORS FOR THE COMPACT TENSION SHEAR TEST

open access: yesJixie qiangdu, 2021
The Compact Tension Shear( CTS) specimen proposed by Richard is a commonly test type used in mixed ModeI/II loading. The formula of stress intensity factors( SIFs) for the CTS test has already given by relevant literature.
YUAN WeiJun, XIE YuJun, CHENG ZhiFei
doaj  

Enhanced Electrochemiluminescence from 3D Nanocavity Electrode Arrays

open access: yesSensors and Actuators Reports, 2022
3D arrays comprising interconnected voids have been created using nanosphere lithography (2000≤diameter≤240 nm) followed by electrodeposition of gold. The top surface was blocked with 11-mercaptoundecanoic acid and then the templating polystyrenes were ...
Loanda Cumba   +3 more
doaj   +1 more source

Enhancing Plastic Decomposition in Mealworms (Tenebrio molitor): The Role of Nutritional Amino Acids and Water

open access: yesAdvanced Energy & Sustainability Research
Certain insects, such as mealworms (Tenebrio molitor), have shown the ability to effectively biodecompose plastic waste under environmentally benign conditions.
Xinbo Wang   +6 more
doaj   +1 more source

Keratin 19 as a prognostic marker and contributing factor of metastasis and chemoresistance in high‐grade serous ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Keratin 19 (KRT19) is overexpressed in high‐grade serous ovarian cancer with high levels of Kallikrein‐related peptidases (KLK) 4–7 and is associated with poor survival. In vivo analyses demonstrate that elevated KRT19 increases peritoneal tumour burden.
Sophia Bielesch   +13 more
wiley   +1 more source

Recycled Polystyrene Waste to Triboelectric Nanogenerators: Volumetric Electromechanically Responsive Laminates from Same‐Material Contact Electrification

open access: yesAdvanced Energy & Sustainability Research
Millions of tonnes of polystyrene (PS) are produced annually, with only an estimated 12% being recycled. Herein, the upcycling of expanded or foamed PS waste into electromechanically responsive triboelectric laminates (TLs) is described.
Andris Šutka   +10 more
doaj   +1 more source

Optimizing photoactivation of PA‐mCherry for optical pooled CRISPR screens

open access: yesFEBS Open Bio, EarlyView.
Photoactivatable PA‐mCherry finds widespread use to optically tag individual cells. However, confocal 405 nm UV laser‐scanning (normal scan) is much less efficient than widefield UV illumination, limiting the use of PA‐mCherry on confocal instruments. We remedy this limitation by reporting that rapid and repeated confocal scanning with a low‐intensity,
Sravasti Mukherjee   +3 more
wiley   +1 more source

Polystyrene grafted onto high-cis-1,4 polybutadiene backbone via 'living' radical polymerization with 2,2,6,6-tetramethylpiperidinyl-1-oxy (TEMPO) radical

open access: yeseXPRESS Polymer Letters, 2011
A stable nitroxide radical (2,2,6,6-tetramethylpiperidinyl-1-oxy, TEMPO) was employed to a grafting polymerization of styrene onto the high-cis-1,4 polybutadiene (PB) rubber initiated by 1,1-bis(tert-butylperoxy)cyclohexane (DP275B).
doaj   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera   +8 more
wiley   +1 more source

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