Correction: Sonochemical synthesis of polyoxometalate-stabilized gold nanoparticles for point-of-care determination of acetaminophen levels: preclinical study in an animal model

Correction for ‘Sonochemical synthesis of polyoxometalate-stabilized gold nanoparticles for point-of-care determination of acetaminophen levels: preclinical study in an animal model’ by Tahereh Rohani Bastami et al., RSC Adv., 2020, 10, 16805–16816, DOI: 10.1039/D0RA00931H.

The authors regret that there was an error in the sentence in lines 14–18 in the right column on page 16813 of the original article, in the sub-section “Sensing mechanism”. The text originally read: “To verify the mechanism of AuNPs aggregation in the presence of Ap, the following experiment was carried out: after the reaction nanosensor with AP, the final product was centrifuged and washed many times to purify and separate from the synthesis media.” This sentence should read: “To verify the mechanism of AuNPs aggregation in the presence of Ap, the following experiment was carried out: after the preparation of the nanosensor, the final product was centrifuged and washed many times to purify and separate from the synthesis media.”The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Culturing and patch clamping of Jurkat T cells and neurons on Al2O3 coated nanowire arrays of altered morphology

Correction for ‘Culturing and patch clamping of Jurkat T cells and neurons on Al₂O₃ coated nanowire arrays of altered morphology’ by Jann Harberts et al., RSC Adv., 2019, 9, 11194–11201.

The authors regret that some of the figure citations in the text were incorrect in the original article. The correct figure citations are as follows. On page 11197 the sentence beginning, “For neurons…” should read, “For neurons, shown in Fig. 2d, we observed cell viabilities of 73.9 ± 3.6% and 72.9 ± 6.2% on the control substrates and 65.4 ± 4.5% and 66.5 ± 4.4% on the NW substrates.” Additionally, the sentence beginning, “Furthermore, exemplary images…” should read, “Furthermore, exemplary images of stained neurons cultured on both types of NWs are shown in Fig. 2e and f as well as on the control substrates in Fig. S2.”The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Sample preparation considerations for surface and crystalline properties and ecotoxicity of bare and silica-coated magnetite nanoparticles

Correction for ‘Sample preparation considerations for surface and crystalline properties and ecotoxicity of bare and silica-coated magnetite nanoparticles’ by Lyubov Bondarenko et al., RSC Adv., 2021, 11, 32227–32235. DOI: 10.1039/D1RA05703K.

The authors regret that the name of one of the authors (Nataliya Tropskaya) was shown incorrectly in the original article. The corrected author list is as shown above.The authors regret that there was an error in the sentence in line 28 in the right column on page 32227 of the original article. The text originally read, “Not all of these methods cannot be applied to “soft” nanoparticles (such as liposomes, polymeric micelles, dendrimers)³⁵ or oxygen-sensitive nanoparticles (NPs) such as iron oxides.” This sentence should read, “Not all of these methods can be applied to “soft” nanoparticles (such as liposomes, polymeric micelles, dendrimers)³⁵ or oxygen-sensitive nanoparticles (NPs) such as iron oxides”.The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: A fluorescent biosensor for cardiac biomarker myoglobin detection based on carbon dots and deoxyribonuclease I-aided target recycling signal amplification

Correction for ‘A fluorescent biosensor for cardiac biomarker myoglobin detection based on carbon dots and deoxyribonuclease I-aided target recycling signal amplification’ by Jishun Chen et al., RSC Adv., 2019, 9, 4463–4468, https://doi.org/10.1039/C8RA09459D.

The authors are publishing this correction to draw the reader’s attention to three related papers that should have been cited as ref. 43–45 in this RSC Advances article. These have been given below as ref. 1–3, respectively.On page 4464, a citation to ref. 43 should be added to the end of the sentence beginning “Ultrapure water…”. Therefore, the sentence should be changed to “Ultrapure water obtained from a Millipore water purification system (18.2 MΩ cm resistivity, Milli-Q Direct 8) was used in all runs.⁴³”On page 4465, citations to ref. 43 and 44 should be added at the end of the sentence beginning “The fluorescence intensity…”. Therefore, the sentence should be changed to “The fluorescence intensity and the value of F₁/F₀ are selected to evaluate the effects of the reaction conditions on the sensing performance of the assay.^43,44”On page 4467, a citation to ref. 45 should be added to the end of the sentence beginning “Aptamer can recognize…”. Therefore, the sentence should be changed to “Aptamer can recognize MB specifically, and thus provide a promising method for its assay, this promising strategy might prove feasible as an MB assay for real samples.⁴⁵”The authors also regret that there are portions of unattributed text overlap in the Results and discussion and Conclusion sections with other papers, including ref. 43–45.The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Influence of co-cultures of Streptococcus thermophilus and probiotic lactobacilli on quality and antioxidant capacity parameters of lactose-free fermented dairy beverages containing Syzygium cumini (L.) Skeels pulp

Correction for ‘Influence of co-cultures of Streptococcus thermophilus and probiotic lactobacilli on quality and antioxidant capacity parameters of lactose-free fermented dairy beverages containing Syzygium cumini (L.) Skeels pulp’ by Sabrina Laís Alves Garcia et al., RSC Adv., 2020, 10, 10297–10308. DOI: 10.1039/c9ra08311a

The authors would like to correct an error in the “Materials and methods” section which they noticed after publication of their article.In the first sentence of the first paragraph of Section 2.7. Sensory evaluation of the fermented dairy beverage, “Certificate of Presentation for Ethical Assessment (CAAE) no. 2.229.0000.5187” should read “Certificate of Presentation for Ethical Assessment (CAAE) no. 71428417.5.0000.5187, decision no. 2.229.941”.The first sentence of the first paragraph of Section 2.7. Sensory evaluation of the fermented dairy beverage incorporating the correction is as follows:“The sensory evaluation used in the present study was approved by the Ethics Committee of the State University of Paraíba (UEPB), Paraíba, Brazil, Certificate of Presentation for Ethical Assessment (CAAE) no. 71428417.5.0000.5187, decision no. 2.229.941, and was performed in the Laboratory of Sensory Analysis at the Federal University of Campina Grande (UFCG), Paraíba State, Brazil.”The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Probing intrinsic dynamics and conformational transition of HIV gp120 by molecular dynamics simulation

Correction for ‘Probing intrinsic dynamics and conformational transition of HIV gp120 by molecular dynamics simulation’ by Yi Li et al., RSC Adv., 2020, 10, 30499–30507, DOI: 10.1039/d0ra06416e.

The authors regret that they incorrectly quoted the structure template reference as 5FUU. This should have been 3J70.Therefore, the authors would like to make the following corrections:The first sentence of Section 2.1 currently contains the text “Protein Data Bank (PDB, http://www.rcsb.org) with accession IDs are 5FYK¹² and 5FUU¹³ at 3.11 Å and 4.19 Å resolution, respectively.” This should read “Protein Data Bank (PDB, http://www.rcsb.org) with accession IDs 5FYK¹² and 3J70 at 3.11 Å and 20 Å resolution, respectively.”The sentence in section 2.1 that reads “The full-length amino acid sequence of these two gp120 structures is the HIV JR-FL strain 14 which was also used in the smFRET experiment.” should read “The full-length amino acid sequence of closed gp120 structures is the HIV JR-FL strain 14 which was also used in the smFRET experiment.The caption for Fig. 1 currently contains the text “The structural models of gp120. (A and B) Ribbon representation of the closed and open gp120 with PDB IDs of 5FYK and 5FUU, respectively.” This should read “The structural models of gp120. (A and B) Ribbon representation of the closed and open gp120 with PDB IDs of 5FYK and 3J70, respectively.”Ref. 13 should not have been included in the reference list as it corresponds to the incorrect structure template reference.The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Reactions of nitroxides 16. First nitroxides containing tellurium atom

Correction for ‘Reactions of nitroxides 16. First nitroxides containing tellurium atom’ by Jerzy Zakrzewski et al., RSC Adv., 2016, 6, 98829–98834, https://doi.org/10.1039/c6ra15880c.

The authors regret that incorrect text concerning names of specific chemical compounds were included in the original article.In the subheading “3-(Phenyltellanyl)ethylamine 3a, 3-(phenyltellanyl)propylamine 3b (according to a known procedure²⁰ with some modifications)” on page 98831, ‘3-(Phenyltellanyl)ethylamine 3a’ should read as ‘2-(Phenyltellanyl)ethylamine 3a’.In the subheading “3-(Phenyltellanyl)ethylamine 3a (M = 248.6)” on page 98831, ‘3-(Phenyltellanyl)ethylamine 3a’ should read as ‘2-(Phenyltellanyl)ethylamine 3a’.In the subheading “3-(Phenyltellanyl)ethyl isothiocyanate 4a, and 3-(phenyltellanyl)propyl isothiocyanate 4b. General procedure” on page 98831, ‘3-(Phenyltellanyl)ethyl isothiocyanate 4a’ should read as ‘2-(Phenyltellanyl)ethyl isothiocyanate 4a’.Following the subheading “Tellurium nitroxides 6a–6f, general procedure” on page 98832, in the sentence reading “2-(Phenyltellanyl)ethyl isothiocyanate (4a, 0.111 g, 0.382 mmol) or 2-(phenyltellanyl)propyl isothiocyanate”, ‘2-(phenyltellanyl)propyl isothiocyanate’ should read as ‘3-(phenyltellanyl)propyl isothiocyanate’.The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Biological behavior exploration of a paclitaxel-eluting poly-l-lactide-coated Mg–Zn–Y–Nd alloy intestinal stent in vivo

Correction for ‘Biological behavior exploration of a paclitaxel-eluting poly-l-lactide-coated Mg–Zn–Y–Nd alloy intestinal stent in vivo’ by Zhanhui Wang et al., RSC Adv., 2020, 10, 15079–15090. DOI: 10.1039/c9ra10156j

The authors regret that incorrect details were given for ref. 52 in the original article. The correct version of ref. 52 is given below as ref. 1.In the sentence beginning “Stephen et al. found that…” on page 15086, the corrected sentence should read as follows: “Shi et al. found that a magnesium-based drug delivery system had a stronger long-term inhibitory effect on the proliferation of SMCs cultured in vitro compared to stainless steel, which may be related to the degradation of magnesium alloy matrix greatly accelerating and improving the pharmacokinetics of drug release in vitro.⁵²”The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: The synthesis of calcium arsenate@iron arsenate coating materials and their application for arsenic-containing wastewater treatment

Correction for ‘The synthesis of calcium arsenate@iron arsenate coating materials and their application for arsenic-containing wastewater treatment’ by Yang Wang et al., RSC Adv., 2020, 10, 719–723.

The authors regret that there were errors in the Characterization of samples section of the original article, in Section 3.1 on page 720 of the original article. These errors are detailed below.The sentence beginning, “As is known, the main peaks of scorodite (FeAsO₄·2H₂O) are located at approximately 30.1°, 27.8°, 16.9° and 10.9°…” should read, “As is known, the main peaks of CaHAsO₄ are located at approximately 30.1°, 27.8°, 16.9° and 10.9°, which can be indexed as the (221), (220), (101) and (020) lattice planes of CaHAsO₄ (JCPDS no. 18-0288), respectively.”The sentence beginning, “As is known, the main peaks of scorodite located at approximately 30.8° and 31.7°…” should read, “As is known, the main peaks of Ca₃(AsO₄)₂ located at approximately 30.8° and 31.7°, can be indexed as the (020) and (021) lattice planes of Ca₃(AsO₄)₂ (JCPDS no. 01-0933).”The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Synthesis and structural characterization of CO2-soluble oxidizers [Bu4N]BrO3 and [Bu4N]ClO3 and their dissolution in cosolvent-modified CO2 for reservoir applications

Correction for ‘Synthesis and structural characterization of CO₂-soluble oxidizers [Bu₄N]BrO₃ and [Bu₄N]ClO₃ and their dissolution in cosolvent-modified CO₂ for reservoir applications’ by Katherine L. Hull et al., RSC Adv., 2020, 10, 44973–44980, DOI: 10.1039/D0RA09563J.

The authors regret that the value for the solubility of [Bu₄N]BrO₃ in the last sentence of the Results and discussion section was given incorrectly.In the sentence beginning “Notably, the solubility of [Bu₄N]BrO₃ achieved…” on page 44978, the corrected sentence should read “Notably, the solubility of [Bu₄N]BrO₃ achieved (>0.12 wt%) with ethanol cosolvent significantly exceeds the typical concentrations utilized in the application (∼0.03 wt%)”.The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Rubia tinctorum root extracts: chemical profile and management of type II diabetes mellitus

Correction for ‘Rubia tinctorum root extracts: chemical profile and management of type II diabetes mellitus’ by Enas E. Eltamany et al., RSC Adv., 2020, 10, 24159–24168, DOI: 10.1039/D0RA03442H.

The authors regret that there was an error in the caption for Table 6 in the original article. The text originally read: “Flavonoids of Rubia tinctorum root extract identified by LC-HRMS analysis (positive mode)”. This caption should read: “Flavonoids of Rubia tinctorum root extract identified by LC-HRMS analysis (negative mode)”.In addition, there was an error in one of the columns of Table 6 in the original article. The column was originally labelled “m/z [M + H]⁺”. This should read “m/z [M − H]⁻”.The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Ultrasensitive fluorescent aptasensor for CRP detection based on the RNase H assisted DNA recycling signal amplification strategy

Correction for ‘Ultrasensitive fluorescent aptasensor for CRP detection based on the RNase H assisted DNA recycling signal amplification strategy’ by Zhongzhi Liu et al., RSC Adv., 2019, 9, 11960–11967, https://doi.org/10.1039/C9RA01352K.

The authors are publishing this correction to draw the reader’s attention to their closely related papers that should have been cited as ref. 42 and 43 in this RSC Advances article. These are given below as ref. 1 and 2, respectively.On page 11963, a citation to ref. 42 should be added to the end of the sentence beginning “The fluorescence intensity…”. Therefore, the sentence should be changed to “The fluorescence intensity and the value of F₁/F₀ were selected to evaluate the effects of the aforementioned reaction conditions on the sensing performance of the developed strategy, where F₁ and F₀ were the fluorescence intensities of the solutions in the presence and absence of CRP, respectively.⁴²”On page 11965–11966, a citation to ref. 43 should be added at the end of the sentence beginning “The detection of CRP…”. Therefore, the sentence should be changed to “The detection of CRP in biological samples by spiking in CRP to human serum, urine and saliva diluted to 10% with buffer solution with the final concentration of 10 ng mL⁻¹ were performed.⁴³”The authors also regret that there are portions of unattributed text overlap in the Introduction, Results and discussion and Conclusion sections with other papers, including ref. 42 and 43.The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Porous monoliths synthesized via polymerization of styrene and divinyl benzene in nonaqueous deep-eutectic solvent-based HIPEs

Correction for ‘Porous monoliths synthesized via polymerization of styrene and divinyl benzene in nonaqueous deep-eutectic solvent-based HIPEs’ by M. G. Pérez-García et al., RSC Adv., 2015, 5, 23255–23260.

The authors regret that there was an error in the results and discussion section of the original article. On page 23257, the text read, “The surfactant employed here was sorbitan monooleate”. This should have read, “The surfactant employed here was sorbitan stearate”.The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Recent advances in the synthesis and synthetic applications of Betti base (aminoalkylnaphthol) and bis-Betti base derivatives

Correction for ‘Recent advances in the synthesis and synthetic applications of Betti base (aminoalkylnaphthol) and bis-Betti base derivatives’ by Olyaei et al., RSC Adv., 2019, 9, 18467–18497.

The authors apologise that two related references were not cited in the original article. Ref. 2 and 4 should be updated to include the two new references as ref. 2b and 4b. The authors also apologise for unattributed text overlap in the Introduction and Section 2 with ref. 2b and 4b.Citations to the work of Cardellicchio et al. (ref. 2b)¹ and Naso (ref. 4b)² should have been included at the following locations in the original article.On page 18467, a citation to ref. 4b should be added to the end of the sentences beginning “In 1897,…” and “In 1898,…”. Therefore, the sentences should be changed to “In 1897, Betti obtained his degree with a thesis on the reaction of methylisoxazolones with aldehydes and co-authored with Roberto Schiff the first two papers of his career.^3,4a,b In 1898, Betti moved to the University of Florence as an assistant of Ugo Schiff, who was founder and director of the Institute of Chemistry.^4b”On page 18648, the sentence beginning “Noyori considered him…” should be changed to “Noyori considered him to be the real pioneer of asymmetric synthesis,⁶ since Betti reacted methylmagnesium iodide and benzaldehyde in the presence of N,N-dimethylbornylamine.^2b”On page 18648, a citation should be added to ref. 4b at the end of the second paragraph, therefore the final sentence beginning “Finally, the base…” should be changed to “Finally, the base was also easily resolved into its optical isomers by means of tartaric acid.^4b,9”On page 18648, a citation should be added to ref. 2b at the end of the final sentence of Section 2. The sentence beginning “Addition of a…” should be changed to “Addition of a solution of sodium hydroxide to chloride yielded Betti base 1 (75% yield).^2b,7,13”The authors also regret their oversight in omitting to acknowledge the source of the image in Fig. 1. The corrected caption for Fig. 1 is shown below.Fig. 1: Italian Senator Mario Betti. This image was reproduced from https://www.liberliber.it/online/autori/autori-b/mario-betti. A version of this image was also originally published in Substantia: An International Journal of the History of Chemistry, 2017, 1(2), 111–121.The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

One-pot facile simultaneous in situ synthesis of conductive Ag–polyaniline composites using Keggin and Preyssler-type phosphotungstates

Two heteropolytungstate structures, Keggin (H₃PW₁₂O₄₀) and Preyssler (H₁₄[NaP₅W₃₀O₁₁₀]), were used to synthesize conductive silver nanoparticle–polyaniline–heteropolytungstate (AgNPs–PAni–HPW) nanocomposites. During the oxidative polymerization of aniline, heteropolyblue was generated and served as the reducing agent to stabilize and distribute AgNPs within “PAni–Keggin” and “PAni–Preyssler” matrixes as well as on their surfaces. The prepared nanocomposites and AgNPs were characterized using UV-visible (UV-Vis) and Fourier-transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), pore size distribution BET, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). UV-Vis results showed different stages of the formation of metal NPs embedded in the polymer–HPW composites, and FT-IR spectra presented characteristic bands of PAni, Keggin and Preyssler anions in the composites confirming no changes in their structures. The presence of AgNPs and an intensely crystalline matrix were confirmed by the XRD pattern. The BET surface areas were found to be 38.426 m² g⁻¹ for “AgNPs–PAni–Keggin” and 29.977 m² g⁻¹ for “AgNPs–PAni–Preyssler” nanocomposites with broad distributions of meso-porous structure for both nanocomposites. TEM and SEM images confirmed that the type of heteropolyacids affected the size of AgNPs. This is the first report that uses Keggin and Preyssler-type heteropolytungstate to synthesize “AgNPs–PAni–HPW” nanocomposites in an ambient condition through a low-cost, facile, one-pot, environmentally friendly and simultaneous in situ oxidative polymerization protocol.

Two heteropolytungstate structures, (a) Keggin (H₃PW₁₂O₄₀) and (b) Preyssler (H₁₄(NaP₅W₃₀O₁₁₀]), have been used to synthesize conductive silver nanoparticle–polyaniline–heteropolytungstate, (AgNPs–PAni–HPW) nanocomposites.     

Correction: Narrowing band gap and enhanced visible-light absorption of metal-doped non-toxic CsSnCl3 metal halides for potential optoelectronic applications

Correction for ‘Narrowing band gap and enhanced visible-light absorption of metal-doped non-toxic CsSnCl₃ metal halides for potential optoelectronic applications’ by Jakiul Islam et al., RSC Adv., 2020, 10, 7817–7827, DOI: 10.1039/C9RA10407K.

The authors regret that there was a mistake in line 8 of the second paragraph of the right hand column of page 7821 of the original article. The text originally read “indirect band gap was 3.15 eV”. The corrected text should read “indirect band gap was 0.315 eV”.The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Nanoarchitectonics of p-type BiSbTe with improved figure of merit via introducing PbTe nanoparticles

Correction for ‘Nanoarchitectonics of p-type BiSbTe with improved figure of merit via introducing PbTe nanoparticles’ by Yuanyue Li et al., RSC Adv., 2021, 11, 36636–36643, DOI: 10.1039/D1RA07138F.

The authors regret that affiliation a was incorrectly given in the original article. The correct affiliation is shown here.In the sentence beginning “For instance, PF of the sample with χ = 0.5 wt% is 33.8…” incorrect units were given. The corrected sentence is as follows: For instance, PF of the sample with χ = 0.5 wt% is 33.8 μW cm⁻¹ K⁻² at 482 K, which is ∼33% larger than that of the BST matrix (25.5 μW cm⁻¹ K⁻²).In the sentence beginning “For instance, as to the sample with χ = 0.5 wt%, κ decreases from 1.10…” incorrect units were given. The corrected sentence is as follows: For instance, as to the sample with χ = 0.5 wt%, κ decreases from 1.10 to 0.99 W m⁻¹ K⁻¹ at 482 K (a ∼10% decline).The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.     

Correction: Protein patterns template arrays of magnetic nanoparticles

Correction for ‘Protein patterns template arrays of magnetic nanoparticles’ by Srikanth Nayak et al., RSC Adv., 2016, 6, 57048–57056.

The authors regret that two sentences in the introduction of the original article did not fully represent the previous work cited in the article.On page 57048, the sentence, “Mms6, an amphiphilic protein found in the magnetosomes of Magnetospirillum magneticum, can control the size, shape and monodispersity of magnetite nanoparticles, both in vivo^9,10 and in vitro^11,12 using a room temperature co-precipitation (RTCP) method.” should be changed to “Mms6, an amphiphilic protein found in the magnetosomes of Magnetospirillum magneticum, can control the size, shape and monodispersity of magnetite nanoparticles, both in vivo and in vitro using a room temperature co-precipitation (RTCP) method”.^9–12 This corrected sentence is a better representation of the prior work cited here. In addition, on page 57049, the sentence, “No control groups for studying the role of immobilized proteins on the formation of magnetite nanoparticles were considered in these studies.” should be changed to “Very few studies investigating the role of immobilized proteins on the formation of magnetite nanoparticles were conducted, that included appropriate immobilized protein controls”.In the supplementary information of ref. 30, a single image shows surface mineralization of magnetic nanoparticles (MNPs) on an immobilized bovine serum albumin (BSA) control, but to a lesser extent than on Mms6. No detailed analysis of these particles was provided. BSA is also structurally different from Mms6 and not as good a control as the mutant m2Mms6 used in our study, which forms micelles like Mms6 (ref. 18) but does not bind iron to high capacity (ref. 11).The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.