an Conjugated Small Organic Molecules: Synthesis and Characterization of 4- Arylpyrazole-decorated Dibenzothiophenes By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/D0NJ01887B, PaperM. Bhanuchandra, Satyajit Panda, Ram Singh Jat, Amir Fayaz, Jony Saha, Ramalingam Thirumoorthi , Tapta Kanchan Roy4-Arylpyrazole-decorated dibenzothiophenes have been synthesized. The synthesis involves the treatment of 2,8-dibromodibenzothiophene with pyrazole under Ullmann-type amination conditions for the dual C-N bond formation. The selective bromination of the resulting...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an Electrospun poly (3-hydroxybutyrate-co-3-hydroxyvalerate) / Polyethylene oxide (PEO) microfibers reinforced with ZnO nanoparticles for antibacterial and antibiofilm wound dressing applications By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/D0NJ01384F, PaperPranjali Mahamuni, Pooja M Patil, Pratikshkumar Patel, Maruti Jayram Dhanavade, Manohar V Badiger, Yogesh Marathe, Raghvendra Ashok BoharaBiocompatible and biodegradable polymers are extensively used in designing wound dressing materials. The present investigation deals with the preparation of a unique blend of zinc oxide (ZnO) nanoparticles incorporated in...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an The classification and application of cyclodextrin polymers: a review By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/C9NJ05844C, PerspectiveBingren Tian, Jiayue LiuThe designing and constructing of polymer structures play an important role in the field of polymer science. In addition, polymers can provide good ideas and opportunities for the development of...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an Transition Metal Ions Induced Secondary Structural Transformation in Hydrophobized Short Peptide Amphiphile By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/D0NJ01501F, PaperKhashti B Joshi, RAMESH SINGH, Narendra K Mishra, Narendra Singh, Puneet Gupta, Parveen RawalA precise control over self-assembling structures of rationally designed hydrophobized short peptide amphiphile (sPA) was studied. Bioactive transition metal ions were used to transform the supramolecular structures of this sPA....The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an Novel phthalocyanine-based micelles/PNIPAM composite hydrogels: spatial/temporal-controlled drug release triggered by NIR laser irradiation By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/D0NJ01882A, LetterTao Jia, Lu Li, Enna Ha, Zheng Qu, Lei Shi, Tiedong Sun, Shengnan Tan, Wancheng ZhaoNear-infrared (NIR) light-responsive hydrogels hold significant potential for biomedical application, especially in remote-controlled release of anticancer drugs. Herein we report a novel NIR light responsive composite hydrogel system that undergoes...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an Cobalt-based Layered Double Hydroxides Revisited: evidence for an oxidizing radical generation By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/D0NJ00380H, PaperRafael dos Santos Macedo, Rodrigo Boni Fazzi, Ana Maria Da Costa Ferreira, Vera R._Leopoldo ConstantinoLayered double hydroxides (LDHs) containing transition metal elements such as cobalt have been studied mainly for applications in electrochemical devices and as catalysts. Fundamental studies about Co-based LDHs are required...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an Conjugated nanoporous polycarbazole bearing a cobalt complex for efficient visible-light driven hydrogen evolution By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/D0NJ01534B, PaperBin Guo, Hai-Yan Li, Jianying Chen, David James Young, Jian-Ping Lang, Hong-Xi LiA conjugated nanoporous polycarbazole (CNP) cross-linked by pyridine and coordinated to Co(III) displays high catalytic performance for visible light-driven H2 generation. The hydrogen evolution rate was up to 410 μmol·g-1·h-1....The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an Efficient modulation of upconversion luminescence in NaErF4-based core-shell nanocrystals By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/C9NJ06240H, LetterTingting Pan, Li-Yuan Sun, Rongyao Gao, Li-Min Fu, Xi-Cheng Ai, Jian-Ping ZhangEfficient modulation of upconversion selectivity of heavily-doped core-shell nanocrystals was achieved through precisely tuning of [F]/[RE] ratio during the synthesis. Brighter upconversion luminescence with smaller nanoparticle size and tunable color...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an Whole Genome Sequence Analysis and Homology Modelling of Main Protease and Non-Structural Protein 3 of the SARS-CoV-2 reveals an Aza-Peptide and a Lead Inhibitor with Possible Antiviral Properties By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/D0NJ00974A, PaperArun K Shankar, Divya Bhanu, Anjani Alluri, Samriddhi GuptaThe family of viruses belonging to Coronaviridae consist of virulent pathogens that have a zoonotic property, Severe Acute Respiratory Syndrome (SARS-CoV) and Middle East Respiratory Syndrome (MERS-CoV) of this family...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an A non-enzymatic electrochemical approach for L-Lactic acid sensor development based on CuO.MWCNT nanocomposites modified with a nafion matrix By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/D0NJ01715A, PaperMohammad M. Hussain, Abdullah M. Asiri, Mohammed M. RahmanCopper oxide ornamented multi-walled carbon nanotube nanocomposites (CuO.MWCNT NCs) were prepared using an unsophisticated wet-chemical technique in basic medium. CuO.MWCNT NCs was examined by using various analytical techniques for example...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an Construction and application of nonenzymatic ascorbic acid sensor based on NiO1.0/polyaniline3.0 hybrid By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/D0NJ00696C, Papershichao Zhu, Aijuan Xie, Bingyan Wei, Xiang Tao, Jianghui Zhang, Wenhao Peng, Chenyang Liu, Linyang Gu, Chenfei Xu, Shiping LuoNiO1.0/PANI3.0 was prepared by in-situ polymerization method in one-pot and applied in detection of ascorbic acid (AA). Cyclic voltammetry (CV) and Differential pulse voltammetry (DPV) were used to optimize the...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an Facile assemble of 2D α-zirconium phosphate supported silver nanoparticles: superior and recyclable catalysis By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/D0NJ01378A, PaperYonghang Xu, Fangya Zhou, Min Chen, Huawen Hu, Limiao Lin, Jingshu Wu, Min ZhangA novel, efficient and durable ZrP@PDA/Ag nanocatalyst was prepared via facile reduction and deposition of silver nanoparticles (AgNPs) on two dimensional (2D) α-zirconium phosphate (ZrP) nanosheets using bio-inspired dopamine chemistry....The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an Cu(II)Cl2 Containing Bispyridine-based Porous Organic Polymer Support Prepared via Alkyne-Azide Cycloaddition as a Heterogeneous Catalyst for Oxidation of Various Olefins By feeds.rsc.org Published On :: New J. Chem., 2020, Accepted ManuscriptDOI: 10.1039/D0NJ01174F, LetterJong Ho Yoon, Hye Min Choi, Suk Joong LeeNew class of porous organic polymer (POP) based heterogeneous catalyst Cu-POP was prepared from immobilizing Cu(II)Cl2 into bpy containing POP prepared via alkyne-azide cycloaddition. This new catalyst showed efficient catalytic...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
an A Giant Lit Section―and More By feeds.christianitytoday.com Published On :: Mon, 24 June 2013 05:00:00 CST Previewing the July/August issue. Full Article
an Global Christian Higher Ed / Reforming the Church's Music By feeds.christianitytoday.com Published On :: Mon, 29 July 2013 05:00:00 CST The Summer 2013 issue of Christian Scholar’s Review. Full Article
an C. S. Lewis and the Arts By feeds.christianitytoday.com Published On :: Mon, 25 November 2013 05:00:00 CST A standout amid the outpouring of books on Lewis. Full Article
an The Lewis Man By feeds.christianitytoday.com Published On :: Mon, 15 September 2014 08:18:00 CST When the setting is also the "main character." Full Article
an Maigret, Newly Translated By feeds.christianitytoday.com Published On :: Mon, 17 November 2014 08:35:00 CST A reissue of Simenon’s great series. Full Article
an The Novel as Protestant Art By feeds.christianitytoday.com Published On :: Mon, 16 February 2015 10:03:00 CST Previewing the March/April issue of Books & Culture. Full Article
an Scheduling Jekyll posts with Netlify and GitHub Actions By feedproxy.google.com Published On :: Tue, 01 Oct 2019 00:00:00 +0000 Last year, I wrote about how to schedule Jekyll posts using Netlify and AWS Lambda[^1]. I used that approach from the moment I wrote that blog post up until today. What changed? In the past year, GitHub has introduced GitHub Actions[^2], a way to run container jobs triggered by different GitHub events. One of those... Full Article Netlify Static Site GitHub GitHub Action Jekyll Programming
an [ASAP] Structural and Biological Basis of Small Molecule Inhibition of <italic toggle="yes">Escherichia coli</italic> LpxD Acyltransferase Essential for Lipopolysaccharide Biosynthesis By dx.doi.org Published On :: Thu, 22 Aug 2019 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.9b00127 Full Article
an [ASAP] Pyrimidine Analogues as a New Class of Gram-Positive Antibiotics, Mainly Targeting Thymineless-Death Related Proteins By dx.doi.org Published On :: Tue, 08 Oct 2019 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.9b00305 Full Article
an [ASAP] Potentiation of Antibiotics against Gram-Negative Bacteria by Polymyxin B Analogue SPR741 from Unique Perturbation of the Outer Membrane By dx.doi.org Published On :: Wed, 23 Oct 2019 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.9b00159 Full Article
an [ASAP] Substrate Tolerance of Bacterial Glycosyltransferase MurG: Novel Fluorescence-Based Assays By dx.doi.org Published On :: Wed, 11 Dec 2019 05:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.9b00242 Full Article
an [ASAP] Antibacterial Photodynamic Inactivation of Antibiotic-Resistant Bacteria and Biofilms with Nanomolar Photosensitizer Concentrations By dx.doi.org Published On :: Thu, 16 Jan 2020 05:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.9b00379 Full Article
an [ASAP] Multitarget Approaches against Multiresistant Superbugs By dx.doi.org Published On :: Thu, 19 Mar 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.0c00001 Full Article
an [ASAP] Advancement of GyrB Inhibitors for Treatment of Infections Caused by <italic toggle="yes">Mycobacterium tuberculosis</italic> and Non-tuberculous Mycobacteria By dx.doi.org Published On :: Wed, 25 Mar 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.0c00025 Full Article
an [ASAP] Small Molecule Carboxylates Inhibit Metallo-ß-lactamases and Resensitize Carbapenem-Resistant Bacteria to Meropenem By dx.doi.org Published On :: Fri, 03 Apr 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.9b00459 Full Article
an [ASAP] Target-Based Design of Promysalin Analogues Identifies a New Putative Binding Cleft in Succinate Dehydrogenase By dx.doi.org Published On :: Tue, 14 Apr 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.0c00024 Full Article
an [ASAP] A Chemically Stable Fluorescent Mimic of Dihydroartemisinin, Artemether, and Arteether with Conserved Bioactivity and Specificity Shows High Pharmacological Relevance to the Antimalarial Drugs By dx.doi.org Published On :: Mon, 20 Apr 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.9b00430 Full Article
an [ASAP] <italic toggle="yes">Fusobacterium nucleatum</italic> Interaction with <italic toggle="yes">Pseudomonas aeruginosa</italic> Induces Biofilm-Associated Antibiotic Tolerance via <italic toggle="yes& By dx.doi.org Published On :: Mon, 04 May 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.9b00402 Full Article
an [ASAP] Discovery of Cephalosporin-3'-Diazeniumdiolates That Show Dual Antibacterial and Antibiofilm Effects against <italic toggle="yes">Pseudomonas aeruginosa</italic> Clinical Cystic Fibrosis Isolates and Efficacy in a Murine R By dx.doi.org Published On :: Tue, 05 May 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.0c00070 Full Article
an [ASAP] <italic toggle="yes">Plasmodium falciparum</italic> Artemisinin Resistance: The Effect of Heme, Protein Damage, and Parasite Cell Stress Response By dx.doi.org Published On :: Wed, 06 May 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.9b00527 Full Article
an [ASAP] Design, Synthesis, and Bioactivity of Cyclic Lipopeptide Antibiotics with Varied Polarity, Hydrophobicity, and Positive Charge Distribution By dx.doi.org Published On :: Wed, 06 May 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.0c00056 Full Article
an [ASAP] Intracellular Metal Speciation in <italic toggle="yes">Streptococcus sanguinis</italic> Establishes SsaACB as Critical for Redox Maintenance By dx.doi.org Published On :: Wed, 06 May 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.0c00132 Full Article
an [ASAP] Dilipid Ultrashort Tetrabasic Peptidomimetics Potentiate Novobiocin and Rifampicin Against Multidrug-Resistant Gram-Negative Bacteria By dx.doi.org Published On :: Thu, 07 May 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.0c00017 Full Article
an [ASAP] Lactoferrin: A Critical Mediator of Both Host Immune Response and Antimicrobial Activity in Response to Streptococcal Infections By dx.doi.org Published On :: Thu, 07 May 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.0c00050 Full Article
an [ASAP] <italic toggle="yes">Leishmania infantum</italic> Enhances Migration of Macrophages via a Phosphoinositide 3-Kinase ?-Dependent Pathway By dx.doi.org Published On :: Thu, 07 May 2020 04:00:00 GMT ACS Infectious DiseasesDOI: 10.1021/acsinfecdis.0c00080 Full Article
an Snips and snails and puppy-dogs’ tails By blog.nyhistory.org Published On :: Thu, 22 Mar 2018 18:32:08 +0000 It’s that time of year again. March 23rd marks National Puppy Day! Founded in 2006 by Colleen Paige, National Puppy Day educates the public about the atrocities of puppy mills, and helps save orphaned puppies around the world. Although some of these four-legged poseurs below are well past puppyhood, we couldn’t wait until National Dog Day... The post Snips and snails and puppy-dogs’ tails appeared first on New-York Historical Society. Full Article Photographs National Black Dog Day National Dog Day National Puppy Day pets puppy mills rescue animals
an Manhattan Housing Stock, 1900 By blog.nyhistory.org Published On :: Wed, 11 Apr 2018 14:14:19 +0000 Conceived by housing reformer Lawrence Veiller and produced in conjunction with the Charity Organization Society, the Tenement House Exhibition opened on Fifth Avenue near 38th Street in February 1900. The exhibition was an innovative, groundbreaking way to educate the public about substandard housing in New York City. It resonated with people in a way that... The post Manhattan Housing Stock, 1900 appeared first on New-York Historical Society. Full Article Maps Association for Improving the Condition of the Poor Charity Organization Society Lawrence Veiller Prevalence of Disease Strong-holds of Poverty Tenement House Exhibition Tenement Law of 1901 United Hebrew Charities
an Treasure Trove: The Etchings of Albert Flanagan By blog.nyhistory.org Published On :: Wed, 25 Apr 2018 10:36:18 +0000 The holdings of the New-York Historical Society Library are vast and fascinating. It is always fun to open a box of photos or unroll a set of drawings to discover something new. Recently, a researcher was working with the Printmaker File (PR 58), a collection of aquatints, engravings, etchings, lithographs, and woodcuts, representing work by over... The post Treasure Trove: The Etchings of Albert Flanagan appeared first on New-York Historical Society. Full Article Engraving Library Prints 20th century Albert Flanagan etchings graphic collections Great Depression new york city printmakers prints Treasure Trove
an All Work and No Play: Celebration at the Workingman’s School By blog.nyhistory.org Published On :: Wed, 02 May 2018 13:11:16 +0000 Today, the Ethical Culture Fieldston School is a prestigious K-12 school serving more than 1,600 students on campuses in Manhattan and Riverdale. But like many long-running New York institutions—including the New-York Historical Society—the school has seen multiple iterations and locations before settling into its current form. The school’s story begins with the Free Kindergarten, which... The post All Work and No Play: Celebration at the Workingman’s School appeared first on New-York Historical Society. Full Article Acquisitions Manuscripts Beowolf Caroline T. Haven Ethical Culture Fieldston School Ethical Culture School Free Kindergarten Henry A. Kelly manual training Percival Chubb Rip Van Winkle Tableau of Nations Workingman’s School
an Walt Whitman’s Rule of Poetry By blog.nyhistory.org Published On :: Wed, 30 May 2018 13:03:22 +0000 As preservationists push to landmark 99 Ryerson Street, the only surviving Brooklyn residence of poet Walt Whitman (1819-1892), the question arises what, if anything, the New-York Historical Society Library holds on the building or the man, whose birthday is May 31st. Sadly, we haven’t got a whole lot on the building. There are insurance maps, which show the... The post Walt Whitman’s Rule of Poetry appeared first on New-York Historical Society. Full Article Manuscripts Photographs 99 Ryerson Street North American Review poetry Poetry of the Future Prose rule of poetry Walt Whitman Whitmaniana
an Wiring Manhattan: Sterling Communications and Cable Television in New York City By blog.nyhistory.org Published On :: Wed, 06 Jun 2018 13:22:47 +0000 Between 1945 and 1960 the number of television sets in use in the United States rose from a few thousand to approximately 60 million. Although many of the programs shown originated in New York City, many of Gotham’s denizens had to endure a steadily degrading signal reception. The cause: new buildings in the vertically growing... The post Wiring Manhattan: Sterling Communications and Cable Television in New York City appeared first on New-York Historical Society. Full Article Acquisitions Manuscripts cable CATV Community Antenna Television HBO Home Box Office Mayor John V. Lindsay Sterling Communications Time Inc
an The 1923 American Silk Mission to Asia By blog.nyhistory.org Published On :: Wed, 13 Jun 2018 14:47:31 +0000 Dancing geishas, ancient palaces, drifting over misty rivers in a houseboat. The adventures of a businessman traveling through China, Japan, and Korea in 1923 are captured within the detailed correspondence and ephemera saved by Myron S. Falk (1878-1945), an engineer from New York City who was sent on a trip to Asia with the American Silk... The post The 1923 American Silk Mission to Asia appeared first on New-York Historical Society. Full Article Ephemera Library Manuscripts Photographs American Silk Mission Asia China japan Korea myron falk photographs trade travel
an “Undaunted, defiant & unsubdued”: The American Eagle By blog.nyhistory.org Published On :: Wed, 20 Jun 2018 20:14:47 +0000 Though not yet recognized nationally, today is American Eagle Day, the anniversary of the eagle’s inclusion on the Great Seal of the United States on June 20, 1782. Despite also becoming our national emblem in 1789, for decades at the end of the last century the eagle was in dire circumstances. The effects of DDT... The post “Undaunted, defiant & unsubdued”: The American Eagle appeared first on New-York Historical Society. Full Article Holidays alaska bald and golden eagle protection act bald eagles blue cross central park conservation ddt james f. maury menagerie Patriotism william sulzer
an Have a Merry, Bang-Up 4th of July! By blog.nyhistory.org Published On :: Tue, 03 Jul 2018 20:58:52 +0000 It wouldn’t seem like July 4th without the CRACK of fireworks. Remember, though, that fireworks are dangerous, and illegal for the general public to possess in many areas–including New York City. So instead, why not grab a hot dog, kick back, and let Macy’s or our flag-draped Miss Liberty run the show? Miss Liberty, at dawn’s first peep, Awakes... The post Have a Merry, Bang-Up 4th of July! appeared first on New-York Historical Society. Full Article Holidays 4th of July American Flag Fireworks Fourth of July Independence Day july 4th July Fourth Macy's Miss Liberty
an The Druids of Manhattan By blog.nyhistory.org Published On :: Wed, 11 Jul 2018 18:52:19 +0000 Twice at dusk every spring and summer, the setting sun lines up with Manhattan’s street grid, illuminating the city with the otherworldly spectacle known as Manhattanhenge. The phenomenon is a byproduct of the design for Manhattan outlined in the 1811 Commissioners’ Plan, the rectilinear grid of avenues running north/south with intersecting streets running east/west. The... The post The Druids of Manhattan appeared first on New-York Historical Society. Full Article Ephemera General Pamphlets ancient order of druids commissioners' plan druids grid plan manhattanhenge stonehenge William Stukeley
an The Return of Canal Park By blog.nyhistory.org Published On :: Wed, 22 Aug 2018 13:52:27 +0000 Tiny Canal Park, a .66-acre triangular green space that sits on Canal Street between Washington and West Streets, hides a substantial history. The city’s ownership of this land dates back to the Dongan Charter in 1686 and the Montgomery Charter in 1730. By the time this land was approved as a site for the Clinton... The post The Return of Canal Park appeared first on New-York Historical Society. Full Article Collections Photographs A.S. Hewitt Allan Scholl calvert vaux Canal Street Park Canal West Coalition city hall park Flower Market Holland Tunnel Hudson River Railroad Samuel Parsons Washington Street West Street
an Copying History: A Handmade Facsimile of a Rare Franklin Imprint By blog.nyhistory.org Published On :: Wed, 17 Oct 2018 13:26:40 +0000 In 1725, a then unknown nineteen-year-old journeyman printer named Benjamin Franklin printed A Dissertation on Liberty and Necessity, Pleasure and Pain, responding to William Wollaston’s The Religion of Nature Delineated. Later, having second thoughts about the soundness of his argument, Franklin destroyed most of the remaining copies of what was already a small run. Fortunately, his distribution of... The post Copying History: A Handmade Facsimile of a Rare Franklin Imprint appeared first on New-York Historical Society. Full Article Manuscripts 18th century 19th century benjamin franklin handwritten facsimile James Parton manuscripts pamphlet printers William Wollaston