Results 41 to 50 of about 25,600 (309)

Highly Sensitive Electrochemical Biosensor Based on Hairy Particles with Controllable High Enzyme Loading and Activity

Advanced Functional Materials, EarlyView.
For the first time, a highly sensitive electrochemical biosensor based on SiO2‐based hairy particles with a grafted PDMAEMA polymer brush containing a quantifiable and large amount of immobilized Laccase is reported. The fabricated biosensor exhibits a sensitivity of 0.14 A·m⁻¹, a limit of detection (LOD) of 0.1 µm, and a detection range of 0.3–750 µm,
Pavel Milkin, Anila Antony, Hongtao Cai, Antonia Debevc, Ceyda Topal, Anne Linhardt, Alla Synytska, Leonid Ionov   +7 more
wiley   +1 more source

Copper(I)-Catalyzed [ 3+ 2] Cycloaddition of 3-Azidoquinoline-2,4(1H,3H)-diones with Terminal Alkynes

Molecules, 2011
3-Azidoquinoline-2,4(1H,3H)-diones 1, which are readily available from 4-hydroxyquinolin-2(1H)-ones 4 via 3-chloroquinoline-2,4(1H,3H)-diones 5, afford, in copper(I)-catalyzed [3 + 2] cycloaddition reaction with terminal acetylenes, 1,4-disubstituted 1,2,
Stanislav Kafka, Sylvia Hauke, Arjana Salcinovic, Otto Soidinsalo, Damijana Urankar, Janez Kosmrlj   +5 more
doaj   +1 more source

Reservoir‐Type Subcutaneous Implantable Devices Containing Porous Rate Controlling Membranes for Sustained Delivery of Risperidone

Advanced Healthcare Materials, EarlyView.
This study presents a novel implantable drug delivery systemwith a biodegradable poly(caprolactone) membrane and compressed drug core forsustained release. These implantable devices deliver risperidone in vitro for 170 days and in vivo for 49 days in rats, showing promise for chronic conditions like schizophrenia.
Linlin Li, Andi Dian Permana, Juan Domínguez‐Robles, Muh Nur Amir, Habibie Habibie, Qonita Kurnia Anjani, Li Zhao, Natalia Moreno‐Castellanos, Ryan F Donnelly, Eneko Larrañeta   +9 more
wiley   +1 more source

Preparation and Crystal Structure of 5-Azido-3-nitro-1H-1,2,4-triazole, Its Methyl Derivative and Potassium Salt

Crystals, 2012
5-Azido-3-nitro-1H-1,2,4-triazole, its methyl derivative and potassium salt were synthesized and characterized by various spectroscopic methods. The crystal structures were determined by low temperature single crystal X-ray diffraction.
Thomas M. Klapötke, Dániel Izsák
doaj   +1 more source

Gasotransmitters in Modern Medicine: Promises and Challenges in the Use of Porous Crystalline Carriers

Advanced Healthcare Materials, EarlyView.
This perspective provides an overview of the growing interest in utilizing various gasotransmitters—small gaseous signaling molecules namely nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S)—for several therapeutic applications, with emphasis on the potential use of porous materials as carriers to provide safe and controlled local ...
Rosana V. Pinto, Moisés L. Pinto, Christian Serre   +2 more
wiley   +1 more source

Butyl 2-[(azidocarbonyl)amino]benzoate

IUCrData, 2016
The title compound, C12H14N4O3, is planar with an r.m.s deviation of 0.025 Å from the plane through all 19 non-hydrogen atoms. An intramolecular N—H...O interaction closes an S(6) ring.
Hasna Yassine, Mostafa Khouili, Abderrafia Hafid, Olivier Mentre, El Mostafa Ketatni   +4 more
doaj   +1 more source

Enhancing the Pharmacokinetics of Aptamers: Targeting AXL In Vivo Using a Bottlebrush Polymer‐Conjugated Aptamer

Advanced Healthcare Materials, EarlyView.
A phosphodiester‐backboned bottlebrush polymer (pacDNA) engineered for aptamer delivery is presented. This design enhances aptamer stability, plasma pharmacokinetics, and target engagement in vivo. In AXL‐driven cancer models, pacDNA inhibits AXL signaling and reduces tumor growth, highlighting the promise of precision polymer scaffolds in aptamer ...
Tingyu Sun, Jiachen Lin, Chenyang Xue, Yuyan Wang, Peiru Chen, Yun Wei, Guobin Xu, Anais Sidonia, Chris Nenopoulos, Hossam Tashkandi, Caroline Shen, Allison Wang, Alex Wang, Ke Zhang   +13 more
wiley   +1 more source

Synthesis and Biological Evaluation of Some Coumarin–Triazole Conjugates as Potential Anticancer Agents

Scientia Pharmaceutica
Despite the discovery of many chemotherapeutic drugs that prevent uncontrolled cell division processes, the development of compounds with higher anticancer efficacy and a lower level of side effects is an important task in modern pharmaceutical chemistry.
Anarkul S. Kishkentayeva, Mohammad Saleh Hamad, Mikhail A. Pokrovsky, Zhanar R. Shaimerdenova, Aigerim S. Adekenova, Gulnara K. Mambeterzina, Victor A. Savelyev, Andrey G. Pokrovsky, Elvira E. Shults   +8 more
doaj   +1 more source

Crystal structure of (E)-1,3-dimethyl-2-[3-(3-nitrophenyl)triaz-2-en-1-ylidene]-2,3-dihydro-1H-imidazole

Acta Crystallographica Section E, 2014
The title compound, C11H12N6O2, a π-conjugated triazene, crystallized with two independent molecules (A and B) in the asymmetric unit. Both molecules have an E conformation about the –N=N– bond and have slightly twisted overall conformations. In molecule
Siddappa Patil, Alejandro Bugarin
doaj   +1 more source

Direct Surface Modification of the Epidermis Using Mussel‐Inspired Polydopamine with Multiple Anti‐Biofouling Functions

Advanced Healthcare Materials, EarlyView.
Surface modification using mussel‐derived polydopamine (PDA) is a versatile and robust biocompatible strategy that enables direct application to various epidermal surfaces, regardless of their morphological complexity or surface characteristics. The PDA‐coated epidermis exhibits multiple anti‐biofouling functionalities, including antibacterial and anti‐
Su Eon Lee, Hanna Lee, Jang Hwan Kim, Sungwook Park, Young Taek Oh, Hayoung Choi, Jeong‐Min Kim, Hye‐Jun Jo, Jun Hyun Park, Ho Jun Jin, Kwan Hyi Lee, Seung Ho Han, Hojun Kim, Jun Kyun Oh, Bong Hoon Kim   +14 more
wiley   +1 more source