Search Within
Applied Filters:
Showing 1-30 of 168 results for "


" within Papers
Salomé Mielke et al.
Langmuir : the ACS journal of surfaces and colloids, 36(3), 781-788 (2020-01-07)
Semifluorinated alkanes self-assemble into 30-40 nm-large surface domains (hemimicelles) at the air/water interface. They have been drawing increasing attention to stabilize microbubbles coated with lipids, which are used for enhancing the contrast in sonographic imaging. Although previous studies suggested that
Yu-E Qin et al.
Cancer management and research, 12, 2459-2469 (2020-04-21)
miR-34a was downregulated and PD-L1 was upregulated in cervical cancer; however, the treatment of cervical cancer lacks precision and targeting. This study explored the ultrasound-mediated co-delivery of miR-34a and sPD-1 complexes with microbubbles for synergistic cancer therapy. Cationic lipid microbubbles
Xiuru Liu et al.
Langmuir : the ACS journal of surfaces and colloids, 34(22), 6628-6635 (2018-05-10)
A hallmark of nanoscience is size-dependent and distance-dependent physical properties. Although most previous studies focused on optical properties, which are often tuned at nanometer scale, we herein report on the interaction between halide-capped gold nanoparticles (AuNPs) and phosphocholine (PC) liposomes
Vid Šuštar et al.
PloS one, 7(7), e39401-e39401 (2012-07-14)
As variance from standard phospholipids of eubacteria and eukaryotes, archaebacterial diether phospholipids contain branched alcohol chains (phytanol) linked to glycerol exclusively with ether bonds. Giant vesicles (GVs) constituted of different species of archaebacterial diether phospholipids and glycolipids (archaeosomes) were prepared
Erik F Kot et al.
Langmuir : the ACS journal of surfaces and colloids, 34(11), 3426-3437 (2018-02-28)
Isotropic phospholipid bicelles are one of the most prospective membrane mimetics for the structural studies of membrane proteins in solution. Recent works provided an almost full set of data regarding the properties of isotropic bicelles; however, one major aspect of
Qing Wang et al.
Biophysical journal, 115(4), 664-678 (2018-08-08)
Using Förster resonance energy transfer, raft/liquid-ordered-domain formation was assessed in asymmetric vesicles containing outer leaflets composed of high-Tm (melting temperature) saturated phosphatidylcholines (diC18:0PC, diC16:0PC, diC15:0PC, or diC14:0PC), low-Tm unsaturated dioleoylphosphatidylcholine (DOPC) and cholesterol, and inner leaflets composed of lipids that
Pritesh P Jain et al.
International journal of nanomedicine, 9, 3249-3261 (2014-07-22)
Prostacyclin analogues are standard therapeutic options for vasoconstrictive diseases, including pulmonary hypertension and Raynaud's phenomenon. Although effective, these treatment strategies are expensive and have several side effects. To improve drug efficiency, we tested liposomal nanoparticles as carrier systems. In this
Masood Alam Khan et al.
International journal of biological macromolecules, 76, 203-208 (2015-02-25)
The aim of the present study was to develop a novel liposomal formulation of thymoquinone (TQ) to treat fluconazole-susceptible and -resistant Candida albicans (C. albicans) infections. The liposomal preparation of TQ (Lip-TQ) was used against a fluconazole-susceptible or -resistant isolate
Esra Ilhan-Ayisigi et al.
Macromolecular bioscience, 20(6), e2000084-e2000084 (2020-04-30)
In this study, the neoplastic drug frequently used in the treatment of lung cancer, carboplatin is loaded to microbubbles via a microfluidic platform. In order to increase the drug loading capacity of microbubbles, carboplatin is encapsulated into alginate polymer layer.
Regina Adão et al.
Biochimica et biophysica acta. Biomembranes, 1862(9), 183314-183314 (2020-04-19)
α-Synuclein (αsyn) is a cytosolic intrinsically disordered protein (IDP) known to fold into an α-helical structure when binding to membrane lipids, decreasing protein aggregation. Model membrane enable elucidation of factors critically affecting protein folding/aggregation, mostly using either small unilamellar vesicles
Arif M Siddiquee et al.
Biomedical optics express, 10(12), 6569-6579 (2019-12-20)
Here we report the results of shear-mode thicknesses and absorption coefficient measurements made on neat membranes using scanning near-field optical microscopy (SNOM). Biomimic neat membranes composed of two different types of phoshpholipid molecules: 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) and 1,2- dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) were
Zachary I Imam et al.
Langmuir : the ACS journal of surfaces and colloids, 35(49), 16281-16289 (2019-11-16)
Cytoskeletal filaments and motor proteins are critical components in the transport and reorganization of membrane-based organelles in eukaryotic cells. Previous studies have recapitulated the microtubule-kinesin transport system in vitro to dynamically assemble large-scale nanotube networks from multilamellar liposomes and polymersomes.
Milan Gautam et al.
Expert opinion on drug delivery, 17(3), 423-434 (2020-02-08)
Background: Phytosterols significantly reduce the risk of cancer by directly inhibiting tumor growth, inducing apoptosis, and inhibiting tumor metastasis. Stigmasterol (STS), a phytosterol, exhibits anticancer effects against various cancers, including breast cancer. Chemotherapeutics, including doxorubicin (DOX), might act synergistically with
Uyen P N Dao et al.
Pharmaceutical research, 37(3), 53-53 (2020-02-12)
The purpose of this study was to inspect the interactions between an anti-breast cancer, TAM, with model of lipid membranes composed of either zwitterionic DPPC LUVs or anionic DPPG LUVs and how they depend on ionic strength and cholesterol. The
Mudassar Mumtaz Virk et al.
Langmuir : the ACS journal of surfaces and colloids, 34(1), 395-405 (2017-12-13)
Hybrid vesicles, comprising blends of amphiphilic block copolymers and phospholipids, have attracted significant attention recently because of their unique combination of chemical and physical properties. We report a method to make unilamellar hybrid vesicles with diameters of 100 nm by
Fadwa Odeh et al.
Heliyon, 5(11), e02919-e02919 (2019-12-18)
Combinatorial therapeutic strategies to eradicate tumors can be superior to a single therapeutic modality. Docetaxel (DT) has been approved for the treatment of local or metastasized breast cancer alone or in combination with other chemotherapeutic agents. Thymoquinone (TQ) originated from
Angelina Provost et al.
Scientific reports, 9(1), 17967-17967 (2019-12-01)
Direct stochastic optical reconstruction microscopy (dSTORM), developed in the last decade, has revolutionised optical microscopy by enabling scientists to visualise objects beyond the resolution provided by conventional microscopy (200 nm). We developed an innovative method based on blinking particle standards and
Tomoya Taniguchi et al.
Biotechnology and bioengineering, 117(8), 2469-2478 (2020-05-13)
To facilitate the early diagnosis of Alzheimer's disease and mild cognitive impairment patients, we developed a cantilever-based microsensor that immobilized liposomes of various phospholipids to detect a trace amount of amyloid β (Aβ) protein, and investigated its aggregation and fibrillization
Vicente Castro-Castillo et al.
Journal of materials chemistry. B, 8(1), 88-99 (2019-11-27)
We synthesized an anthracene derivative with solvatochromic properties to be used as a molecular probe for membrane dynamics and supramolecular organization. A nine carbon atom acyl chain and a dimethylamino substitution were introduced at positions 2 and 6 of the
Alessio Ausili et al.
Langmuir : the ACS journal of surfaces and colloids, 34(10), 3336-3348 (2018-02-16)
α-Tocopherol is considered to carry on a very important role as an antioxidant for membranes and lipoproteins and other biological roles as membrane stabilizers and bioactive lipids. Given its essential role, it is very important to fully understand its location
Simon Matoori et al.
Small (Weinheim an der Bergstrasse, Germany), 16(20), e2000369-e2000369 (2020-04-25)
In emergency medicine, blood lactate levels are commonly measured to assess the severity and response to treatment of hypoperfusion-related diseases (e.g., sepsis, trauma, cardiac arrest). Clinical blood lactate testing is conducted with laboratory analyzers, leading to a delay of 3
Qi Gao et al.
Biochemistry, 59(8), 992-998 (2020-01-10)
The misfolding of amyloid beta (Aβ) is one of the predominant hallmarks in the pathology of Alzheimer's disease (AD). In this study, we showed that the formation of the Aβ ion channel on the membrane depended on the cholesterol concentration.
Chun Liufu et al.
International journal of nanomedicine, 14, 8923-8941 (2019-12-10)
Cancer stem cells (CSCs) are responsible for cancer therapeutic resistance and metastasis. To date, in addition to surgery, chemotherapy, and radiotherapy, gene delivery has emerged as a potential therapeutic modality for ovarian cancer. Efficient and safe targeted gene delivery is
Wei-Lin Wan et al.
Nature communications, 11(1), 534-534 (2020-01-29)
A disturbance of reactive oxygen species (ROS) homeostasis may cause the pathogenesis of many diseases. Inspired by natural photosynthesis, this work proposes a photo-driven H2-evolving liposomal nanoplatform (Lip NP) that comprises an upconversion nanoparticle (UCNP) that is conjugated with gold
Lu Xu et al.
Langmuir : the ACS journal of surfaces and colloids, 34(29), 8694-8700 (2018-07-04)
The polymorphism of phospholipid monolayers has been extensively studied because of its importance in surface thermodynamics, soft matter physics, and biomembranes. To date, the phase behavior of phospholipid monolayers has been nearly exclusively studied with the classical Langmuir-type film balance.
Nishu Kanwa et al.
Physical chemistry chemical physics : PCCP, 22(6), 3234-3244 (2020-01-30)
In the present contribution, we investigate the interactions of lipid bilayer membranes of different charges and different phase states with aliphatic amino acids of varying charge (aspartic acid, glutamic acid, arginine and lysine) and hydrophobicity (serine, leucine and valine) by
Graham J Taylor et al.
Langmuir : the ACS journal of surfaces and colloids, 33(38), 10016-10026 (2017-08-16)
In-plane lipid organization and phase separation in natural membranes play key roles in regulating many cellular processes. Highly cooperative, first-order phase transitions in model membranes consisting of few lipid components are well understood and readily detectable via calorimetry, densitometry, and
Benjamin Martial et al.
The journal of physical chemistry. B, 124(17), 3469-3481 (2020-04-02)
α-Synuclein (AS), the protein responsible for Parkinson's disease, contains a 12-residue-long sequence, AS71-82, that is thought to play a crucial role in the α-synuclein aggregation process. Neuronal membranes are direct interacting partners of α-synuclein and play a role in fibrillogenesis
Kevin H Kang et al.
The European physical journal. E, Soft matter, 43(2), 8-8 (2020-02-06)
Environmental temperature has a well-conserved effect on the pulse velocity and excitability of excitable biological systems. The consistency suggests that the cause originates from a fundamental principle. A physical (hydrodynamic) approach has proposed that the thermodynamic state of the hydrated
Xiaowen Zhong et al.
Nanoscale research letters, 14(1), 381-381 (2019-12-18)
High-intensity focused ultrasound (HIFU) is a representative non-invasive method of cancer therapy, but its low therapeutic efficacy and risk of damage to surrounding normal tissue hinder its further clinical development and application. Sonodynamic therapy (SDT) kills tumor cells through reactive
Page 1 of 6
Page 1 of 6