Classification and application of metal-based nanoantioxidants in medicine and healthcare

• Nguyen Nhat Nam,
• Nguyen Khoi Song Tran,
• Tan Tai Nguyen,
• Nguyen Ngoc Trai,
• Nguyen Phuong Thuy,
• Hoang Dang Khoa Do,
• Nhu Hoa Thi Tran and
• Kieu The Loan Trinh

Beilstein J. Nanotechnol. 2024, 15, 396–415, doi:10.3762/bjnano.15.36

• serum albumin (HSA). (b) Organ distribution of EeNA and HSA

Development and characterization of potential larvicidal nanoemulsions against Aedes aegypti

• Jonatas L. Duarte,
• Leonardo Delello Di Filippo,
• Anna Eliza Maciel de Faria Mota Oliveira,
• Rafael Miguel Sábio,
• Gabriel Davi Marena,
• Tais Maria Bauab,
• Cristiane Duque,
• Vincent Corbel and
• Marlus Chorilli

Beilstein J. Nanotechnol. 2024, 15, 104–114, doi:10.3762/bjnano.15.10

• were evaluated over a period of 60 days using dynamic light scattering, and the zeta potential was determined via electrophoretic mobility in a Zetasizer 3000 HSA (Malvern Instruments) device, using a 10 mW HeNe laser operated at 633 nm with a detection angle of incidence of 173° at 25 °C. Data

Curcumin-loaded albumin submicron particles with potential as a cancer therapy: an in vitro study

• Nittiya Suwannasom,
• Netsai Sriaksorn,
• Chutamas Thepmalee,
• Krissana Khoothiam,
• Ausanai Prapan,
• Hans Bäumler and
• Chonthida Thephinlap

Beilstein J. Nanotechnol. 2023, 14, 1127–1140, doi:10.3762/bjnano.14.93

• promising biological properties, particularly antioxidant activity. However, its medical applications are limited due to its low water solubility, bioavailability, and pH-instability. CUR-loaded albumin microparticles (CUR-HSA-MPs) of submicron size in the range of 800 to 900 nm and a zeta potential of −15

• mV were prepared. The CUR loading efficiency was up to 65%. A maximum release of 37% of the encapsulated CUR was observed within 6 h when the CUR-HSA-MPs were dispersed in 50% ethanol in PBS at pH 7, while in RPMI 1640 medium the release was 7%. This demonstrates a sustainable release. The in vitro

• cytotoxicity of CUR-HSA-MPs showed promising anticancer potential against human hepatocellular carcinoma (Huh-7) and human breast adenocarcinoma (MCF-7) cell lines, although this effect was less pronounced in human dermal fibroblasts (HDFB) and human cholangiocyte (MMN) cell lines. Confocal microscopy was used

Recognition mechanisms of hemoglobin particles by monocytes – CD163 may just be one

• Jonathan-Gabriel Nimz,
• Pichayut Rerkshanandana,
• Chiraphat Kloypan,
• Ulrich Kalus,
• Saranya Chaiwaree,
• Axel Pruß,
• Radostina Georgieva,
• Yu Xiong and
• Hans Bäumler

Beilstein J. Nanotechnol. 2023, 14, 1028–1040, doi:10.3762/bjnano.14.85

• technique previously described [24] has been followed: 0.5% bovine hemoglobin solution was mixed with 0.125 M MnCl2 solution. While stirring rapidly, 0.125 M Na2CO3 was added and stirred further for 30 s to let Hb–MnCO3 particles form. 20% human serum albumin (HSA) solution was added and allowed to incubate

• a washing solution of 0.9% NaCl containing 0.2% HSA, particles were resuspended in 0.9% NaCl, checked via light microscopy for aggregation, and stored at 4 °C. Particle characterization To ensure that the subsequent experiments would be carried out on particles that also met the quality requirements

• the case of our HbMPs containing human serum albumin, we assume that a conformational change within HSA might occur when the molecules are cross-linked by glutaraldehyde. Detection of this denatured protein by receptors of phagocytic cells would also be conceivable in this case to explain CD204’s part

Design of surface nanostructures for chirality sensing based on quartz crystal microbalance

• Yinglin Ma,
• Xiangyun Xiao and
• Qingmin Ji

Beilstein J. Nanotechnol. 2022, 13, 1201–1219, doi:10.3762/bjnano.13.100

• serum albumin (SA) [31]. They evaluated the detection efficiencies of ten enantiomers, which were tetrahydronaphthylamine (TNA), 1-(4-methoxyphenyl)ethylamine (4-MPEA), 1-(3-methoxyphenyl)ethylamine (3-MPEA), 2-octanol (2-OT), and methyl lactate (MEL). The fixation of BSA and human serum albumin (HSA

• ) layers on the QCM surface was done through the pretreatment of mercaptoacetic acid on the QCM surface. The free carboxyl groups were then linked to SAs by a coupling agent to form SAMs. The QCM results indicated that BSA- and HSA-modified QCM sensors have a specific recognition ability, especially for

• detecting TNA and 4-MPEA enantiomers. The chiral recognition was probably driven by the compatibility of chiral molecules with their three-dimensional structures and noncovalent interactions. Zhang et al. developed a class of QCM chiral sensors with SAMs of BSA, HSA, goat serum albumin (GSA), or rabbit

Systematic studies into uniform synthetic protein nanoparticles

• Nahal Habibi,
• Ava Mauser,
• Jeffery E. Raymond and
• Joerg Lahann

Beilstein J. Nanotechnol. 2022, 13, 274–283, doi:10.3762/bjnano.13.22

• , particularly as a combination therapy [10]. To leverage the endogenous properties of albumin, nab technology uses a high-pressure manufacturing process to force hydrophobic drugs into the internal hydrophobic pockets of human serum albumin (HSA) [11]. This leads to the formation of albumin-bound, paclitaxel

• -loaded HSA particles with diameters of approximately 130 nm [10][11]. Since then, AbraxaneTM has been used for non-small cell lung cancer, late-stage pancreatic cancer, and as a treatment for metastatic breast cancer [12][13]. Nevertheless, nab-based nanoparticles suffer from significant drawbacks, such

• Discussion Single-protein SPNPs A range of SPNP formulations were prepared via EHD jetting from hemoglobin (HEM), transferrin (TF), mucin (MUC), insulin (INS), and human serum albumin (HSA) (Figure 1a). Generally, dilute solutions of a protein at 10% (w/v) in a 9:1 (v/v) mixture of water and ethanol were

Bacterial safety study of the production process of hemoglobin-based oxygen carriers

• Axel Steffen,
• Yu Xiong,
• Radostina Georgieva,
• Ulrich Kalus and
• Hans Bäumler

Beilstein J. Nanotechnol. 2022, 13, 114–126, doi:10.3762/bjnano.13.8

• modifications [5][6]. Thus, it was possible to immobilize vitamin B2 (riboflavin) in these particles together with human serum albumin (HSA). This resulted in a drug delivery system with good hemocompatibility and release of riboflavin over a prolonged period [7]. In addition, HSA microparticles could be loaded

• the requirements as a novel artificial oxygen carrier for application as a blood substitute and are considered nonmutagenic by different in vitro and in vivo studies [13]. Although all substances used to produce HbMP are either of pharmaceutical grade or approved drugs (HSA), except for hemoglobin

• microparticles (HbMP) were fabricated by the CCD technique [51][65]. Shortly, 0.25 M of Na2CO3 and 0.25 M of MnCl2 including 10 mg/mL of Hb and 1 mg/mL of HSA were rapidly mixed at room temperature (coprecipitation). After coprecipitation, 2.5 mg/mL of HSA was added and after 5 min the particles were separated

A review on nanostructured silver as a basic ingredient in medicine: physicochemical parameters and characterization

• Gabriel M. Misirli,
• Kishore Sridharan and
• Shirley M. P. Abrantes

Beilstein J. Nanotechnol. 2021, 12, 440–461, doi:10.3762/bjnano.12.36

• human serum albumin (HSA), fibrinogen and immunoglobulin (IgG), metallothionein (MT), and ceruloplasmin (CP), forming a protein corona (PC) during silver homeostasis [121][122]. The PC is a highly dynamic system and its composition dynamically changes over time, undergoing various transformations until

The impact of molecular tumor profiling on the design strategies for targeting myeloid leukemia and EGFR/CD44-positive solid tumors

• Nikola Geskovski,
• Nadica Matevska-Geshkovska,
• Simona Dimchevska Sazdovska,
• Marija Glavas Dodov,
• Kristina Mladenovska and
• Katerina Goracinova

Beilstein J. Nanotechnol. 2021, 12, 375–401, doi:10.3762/bjnano.12.31

Cu₂O nanoparticles for the degradation of methyl parathion

• Juan Rizo,
• David Díaz,
• Benito Reyes-Trejo and
• M. Josefina Arellano-Jiménez

Beilstein J. Nanotechnol. 2020, 11, 1546–1555, doi:10.3762/bjnano.11.137

• and a HSA of 50 eV pass energy. Results and Discussion Characterization of Cu2O NPs with powder XRD and HRTEM The structural and morphological characterization of Cu2O NPs was carried out using powder X-ray diffraction and high-resolution transmission electron microscopy. Copper(I) oxide is

Luminescent gold nanoclusters for bioimaging applications

• Nonappa

Beilstein J. Nanotechnol. 2020, 11, 533–546, doi:10.3762/bjnano.11.42

• importantly, the Au-BSA NCs are stable under ambient conditions and retain their PL even after drying (Figure 1G,H) allowing for long-term storage [64]. Several other proteins including lysozyme, human serum albumin (HSA) and insulin have been used to prepare inherently luminescent AuNCs [65][66][67][68][69

• are presented. In each section representative early examples along with the recent examples are discussed. Biosensing and imaging of pathogens Chan et al. reported human serum albumin (HSA)-stabilized gold NCs (Au-HSA) for sensing Staphylococcus aureus (SA) and methicillin-resistant Staphylococcus

• aureus (MRSA) bacterial strains [83]. The resulting Au-HSA NCs showed reddish PL. The ability of HSA to bind and chelate various ions as well as small molecules was exploited to design a NC-based assay. The directly synthesized Au-HAS NCs showed binding affinities for SA and MRSA strains (Figure 2). A

Rational design of block copolymer self-assemblies in photodynamic therapy

• Maxime Demazeau,
• Laure Gibot,
• Anne-Françoise Mingotaud,
• Patricia Vicendo,
• Clément Roux and
• Barbara Lonetti

Beilstein J. Nanotechnol. 2020, 11, 180–212, doi:10.3762/bjnano.11.15

• albumin (HSA) is reduced and encapsulates ICG thanks to electrostatic interactions, then the disulfide links are reconstructed for carrier stabilization. This carrier is then glutathione-sensitive and its reduction under in vivo conditions enhanced the PDT efficiency [78]. The cleavage of ROS-responsive

• ® use endogenous proteins such as human serum albumin (HSA) to take care of the drug traffic. In the case of PS and PDT, a first example has been described after a structural optimization of the PS (modified indocyanine) [131]. It is also noteworthy that human serum albumin has also been used in another

• study to deliver ICG, but a covalent disulfide bond was used to link HSA to the PS [78]. If a stable vector will have more chance to deliver its cargo to the appropriate site, a poor affinity between PS and the vector would be detrimental to the application, since this would lead to early release of the

Long-term stability and scale-up of noncovalently bound gold nanoparticle-siRNA suspensions

• Anna V. Epanchintseva,
• Julia E. Poletaeva,
• Dmitrii V. Pyshnyi,
• Elena I. Ryabchikova and
• Inna A. Pyshnaya

Beilstein J. Nanotechnol. 2019, 10, 2568–2578, doi:10.3762/bjnano.10.248

• of the clumping of AuNP-siRNA, we used the known property of albumin to increase the dispersion of AuNP suspensions [29]. We added 3% human serum albumin (HSA) (corresponding to 10% serum commonly used in the cell cultivation) to samples ×1 and ×10 (freshly prepared and stored for one or eight days

• . Experimental Materials and methods We used RNA phosphoramidite synthons, dithiothreitol (DTT), sodium citrate (Na3C6H5O7·2H2O, Sigma-Aldrich, USA); Cy-5.5 phosphoramidite (Primetech, Belarus); aurum hydrochloric acid (HAuCl4·3H2O, Aurat, Russia); human serum albumin (HSA, Reanal, Hungary); sodium chloride

• pH 8.3, 22 mM PB pH 4, 100 mM PB pH 7, 3% or 10% HSA in DMEM. Optical extinction spectra Optical extinction spectra were recorded on a Clariostar plate fluorimeter (BMG, Labtech) in the range 400–800 nm according to the manufacturer's instructions. Sample storage mode Samples ×1 were stored for eight

Incorporation of doxorubicin in different polymer nanoparticles and their anticancer activity

• Sebastian Pieper,
• Hannah Onafuye,
• Dennis Mulac,
• Jindrich Cinatl Jr.,
• Mark N. Wass,
• Martin Michaelis and
• Klaus Langer

Beilstein J. Nanotechnol. 2019, 10, 2062–2072, doi:10.3762/bjnano.10.201

• degradation, and sustain therapeutic drug concentrations due to prolonged/controlled drug release. In addition, nanoparticles can be used to administer poorly soluble agents, as demonstrated for nab-paclitaxel, a HSA nanoparticle-based paclitaxel preparation approved for the treatment of different forms of

• (vinyl alcohol) (PVA, 30,000–70,000 Da), bovine serum albumin (BSA), HSA, and glutaraldehyde were obtained from Sigma-Aldrich Chemie GmbH (Karlsruhe, Germany). Dulbecco's Phosphate buffered saline (PBS) was purchased from Biochrom GmbH (Berlin, Germany). Doxorubicin was obtained from LGC Standards GmbH

Magnetic properties of biofunctionalized iron oxide nanoparticles as magnetic resonance imaging contrast agents

• Natalia E. Gervits,
• Andrey A. Gippius,
• Alexey V. Tkachev,
• Evgeniy I. Demikhov,
• Sergey S. Starchikov,
• Igor S. Lyubutin,
• Alexander L. Vasiliev,
• Vladimir P. Chekhonin,
• Maxim A. Abakumov,
• Alevtina S. Semkina and
• Alexander G. Mazhuga

Beilstein J. Nanotechnol. 2019, 10, 1964–1972, doi:10.3762/bjnano.10.193

• functionalization of nanoparticles with bovine serum albumin (BSA) and human serum albumin (HSA) is one potential method to enhance their biocompatibility. There are several directions in the development of coating types: coating of the nanoparticles themselves [10], design of BSA microcapsules with iron oxide

• nanoparticles located inside and outside of each capsule [11] and integration of the nanoparticles in the matrix of HSA threads, as will be discussed in this paper. The problem of distinguishing between magnetite Fe3O4 and maghemite γ-Fe2O3, both of which usually appear as synthesis products of iron oxide

• spinel-type crystal structure with a space group, which is typical for magnetite Fe3O4 or maghemite γ-Fe2O3 [15][16]. The broad peak at 2θ = 19° and high background level in the pattern of the coated nanoparticles are due to HSA [17]. The mean size of the nanoparticles was estimated by applying the

Doxorubicin-loaded human serum albumin nanoparticles overcome transporter-mediated drug resistance in drug-adapted cancer cells

• Hannah Onafuye,
• Sebastian Pieper,
• Dennis Mulac,
• Jindrich Cinatl Jr.,
• Mark N. Wass,
• Klaus Langer and
• Martin Michaelis

Beilstein J. Nanotechnol. 2019, 10, 1707–1715, doi:10.3762/bjnano.10.166

• . Here, we tested doxorubicin-loaded human serum albumin (HSA) nanoparticles in the neuroblastoma cell line UKF-NB-3 and its ABCB1-expressing sublines adapted to vincristine (UKF-NB-3rVCR1) and doxorubicin (UKF-NB-3rDOX20). Doxorubicin-loaded nanoparticles displayed increased anticancer activity in UKF

• body distribution of its many substrates including drugs, xenobiotics, and other molecules. HSA nanoparticles may provide an alternative, more specific way to overcome transporter-mediated resistance. Keywords: ABCB1; cancer; doxorubicin; drug resistance; human serum albumin; nanoparticles

• resistance [6]. This includes various nanoparticle and liposome formulations of the ABCB1 substrate doxorubicin [7][8][9][10][11][12]. Here, we here investigated the effects of doxorubicin-loaded human serum albumin (HSA) nanoparticles in ABCB1-expressing neuroblastoma cells. HSA nanoparticles are easy to

Serum type and concentration both affect the protein-corona composition of PLGA nanoparticles

• Katrin Partikel,
• Robin Korte,
• Dennis Mulac,
• Hans-Ulrich Humpf and
• Klaus Langer

Beilstein J. Nanotechnol. 2019, 10, 1002–1015, doi:10.3762/bjnano.10.101

• significantly at low concentration levels but becomes constant when passing to higher serum concentrations. Corona formation is a very dynamic, competitive and time-dependent process. In the early stage, low-affinity proteins with high abundance in serum, for instance, human serum albumin (HSA), adsorb onto the

• surface and are immediately replaced by high-affinity proteins with lower abundance and slower kinetics, such as apolipoproteins and immunoglobulins [4][24]. According to the predominant protein band at MW = 66 kDa, we suggest an enrichment of HSA in the corona of the PLGA NPs following incubation with 1

• biological response and the pharmacokinetic behavior of colloidal drug carrier systems in the body. For instance, the coating of polystyrene NPs with HSA enhances their circulating lifetime in blood and reduces hepatic uptake clearance after intravenous injection into rats [25]. In contrast, some high

Comparison of four methods for the biofunctionalization of gold nanorods by the introduction of sulfhydryl groups to antibodies

• Xuefeng Wang,
• Zhong Mei,
• Yanyan Wang and
• Liang Tang

Beilstein J. Nanotechnol. 2017, 8, 372–380, doi:10.3762/bjnano.8.39

• modification with Traut’s reagent. These results are consistent with the findings that DTT modification introduces more sulfhydryl groups per mol human serum albumin (HSA) than treatment with Traut’s reagent [28]. The conjugating efficiency of antibody-to-nanosphere by Traut’s thiolation was low relative to

Protein corona – from molecular adsorption to physiological complexity

• Lennart Treuel,
• Dominic Docter,
• Michael Maskos and
• Roland H. Stauber

Beilstein J. Nanotechnol. 2015, 6, 857–873, doi:10.3762/bjnano.6.88

• revealed a decrease of the collision efficiency (i.e., the overall number of collisions divided by the number of collisions that form an agglomerate) with an increasing protein (human serum albumin, HSA) concentration (Figure 1a). Intriguingly, they found that their colloid was stable at a point where

• and PBS buffer is below 1 nm, thus, smaller than the typical size of a protein (few nanometers). Further refining this idea in a different experimental approach, Treuel et al. chemically altered the surface charge distribution of HSA and studied the effect on the corona formation around dihydrolipoic

• acid (DHLA)-coated quantum dots (QDs) by using fluorescence correlation spectroscopy (FCS) [4]. The electrostatic surface potential of native HSA shows distinct, positively charged patches on an otherwise negative potential surface (Figure 3). These patches are caused by the presence of basic lysine

Coating with luminal gut-constituents alters adherence of nanoparticles to intestinal epithelial cells

• Heike Sinnecker,
• Katrin Ramaker and
• Andreas Frey

Beilstein J. Nanotechnol. 2014, 5, 2308–2315, doi:10.3762/bjnano.5.239

• ], and possible implications for the particle–cell interactions are considered. For example, it was shown that human serum albumin (HSA), BSA and fetal bovine serum can build a protein corona around NPs whereby the particles are stabilized against agglomeration and the colloid stability of the particle

Nanoencapsulation of ultra-small superparamagnetic particles of iron oxide into human serum albumin nanoparticles

• Matthias G. Wacker,
• Mahmut Altinok,
• Stephan Urfels and
• Johann Bauer

Beilstein J. Nanotechnol. 2014, 5, 2259–2266, doi:10.3762/bjnano.5.235

• with the surface modification and nanoencapsulation of USPIO into an albumin matrix by using ethanolic desolvation. Particles of narrow size distribution and with a defined particle structure have been achieved. Keywords: diagnostics; HSA; nanoencapsulation; nanoparticles; USPIO; Introduction Over

• systemic exposition of patients with the carrier [6]. Human serum albumin (HSA) represents a promising candidate that binds a wide range of compounds with different physicochemical characteristics. In 2007, with Abraxane®, a first polymeric nanoparticle formulation consisting of this material has been

• the present study, nanoparticles consisting of HSA were formed by ethanolic desolvation [9]. These nanocarriers were used matrix system for the encapsulation of USPIO. USPIO have been efficiently applied as contrast agents for magnetic resonance imaging and allow the tracking of nanoparticles in vivo

Effects of surface functionalization on the adsorption of human serum albumin onto nanoparticles – a fluorescence correlation spectroscopy study

• Pauline Maffre,
• Stefan Brandholt,
• Karin Nienhaus,
• Li Shang,
• Wolfgang J. Parak and
• G. Ulrich Nienhaus

Beilstein J. Nanotechnol. 2014, 5, 2036–2047, doi:10.3762/bjnano.5.212

• Marburg, Renthof 7, 35037 Marburg, Germany, Department of Physics, University of Illinois at Urbana-Champaign, 1110 West Green Street, Urbana, IL 61801, USA 10.3762/bjnano.5.212 Abstract By using fluorescence correlation spectroscopy (FCS), we have studied the adsorption of human serum albumin (HSA) onto

• , independent of their surface charge. The differences in the thickness of the protein corona were rationalized in terms of the different orientations in which HSA adsorbs onto the NPs. The midpoints of the binding transition, which quantifies the affinity of HSA toward the NP, were observed to differ by almost

• reliable in our hands. In our original FCS study [45], we investigated the adsorption of human serum albumin (HSA) onto carboxyl-functionalized, polymer-encased iron platinum nanoparticles (Fe–Pt NPs) with a hydrodynamic radius, RH, of 5–6 nm. We prepared HSA solutions of different concentrations in

Design criteria for stable Pt/C fuel cell catalysts

• Josef C. Meier,
• Carolina Galeano,
• Ioannis Katsounaros,
• Jonathon Witte,
• Hans J. Bongard,
• Angel A. Topalov,
• Claudio Baldizzone,
• Stefano Mezzavilla,
• Ferdi Schüth and
• Karl J. J. Mayrhofer

Beilstein J. Nanotechnol. 2014, 5, 44–67, doi:10.3762/bjnano.5.5

• ), Vulcan (BET ≈ 250 m2·g−1) or high-surface-area carbon black (hereafter denoted as HSA, BET ≈ 800 m2·g−1) in the case of commercial catalysts. Furthermore, the used catalysts have varying platinum contents as well as different platinum particle sizes and thus provide an overview of the impact of various

Characterization of protein adsorption onto FePt nanoparticles using dual-focus fluorescence correlation spectroscopy

• Pauline Maffre,
• Karin Nienhaus,
• Faheem Amin,
• Wolfgang J. Parak and
• G. Ulrich Nienhaus

Beilstein J. Nanotechnol. 2011, 2, 374–383, doi:10.3762/bjnano.2.43

• understand the structural and dynamic properties of the protein corona at the molecular level. Recently, we have used quantitative fluorescence microscopy, especially fluorescence correlation spectroscopy (FCS), to study protein adsorption of human serum albumin (HSA) on polymer-coated FePt NPs with an

• overall diameter of 11 nm [11]. HSA is the major soluble constituent of human blood plasma. It serves primarily as a carrier protein for steroids, fatty acids, and thyroid hormones [18]. We found that, at concentrations typically found in blood serum, ~20 HSA molecules adsorb as a monolayer of ~3.3 nm

• equilibrium binding of three abundant blood plasma proteins to FePt NPs, HSA (which was included to ensure that our previously reported data [11] can be reproduced with our new technique) and the apolipoproteins apoA-I and apoE4. These two proteins function as transporters for lipid molecules in the blood by