A novel o-phenyl­enedi­amine (opda)-based cadmium complex, bis­(benzene-1,2-di­amine-κ2N,N')bis­(benzene-1,2-di­amine-κN)cadmium(II) naphthalene-1,5-di­sulfonate, [Cd(C6H8N2)4](C10H6O6S2), was synthesized. The complex salt crystallizes in the monoclinic space group C2/c. The Cd atom occupies a special position and coordinates six nitro­gen atoms from four o-phenyl­enedi­amine mol­ecules, two as chelating ligands and two as monodentate ligands. The amino H atoms of opda inter­act with two O atoms of the naphthalene-1,5-di­sulfonate anions. The anions act as bridges between [Cd(opda)4]2+ cations, forming a two-dimensional network in the [010] and [001] directions. The Hirshfeld surface analysis shows that the primary factors contributing to the supramolecular inter­actions are short contacts, particularly van der Waals forces of the type H⋯H, O⋯H and C⋯H.

The asymmetric unit of the title compound, μ-biphenyl-4,4'-di­sulfonato-bis­(aqua­lithium), [Li2(C12H8O6S2)(H2O)2] or Li2[Bph(SO3)2](H2O)2, consists of an Li ion, half of the diphenyl-4,4'-di­sulfonate [Bph(SO3−)2] ligand, and a water mol­ecule. The Li ion exhibits a four-coordinate tetra­hedral geometry with three oxygen atoms of the Bph(SO3−)2 ligands and a water mol­ecule. The tetra­hedral LiO4 units, which are inter­connected by biphenyl moieties, form a layer structure parallel to (100). These layers are further connected by hydrogen-bonding inter­actions to yield a three-dimensional network.

We report the synthesis and structural characterization of three crystalline borylated ortho-silylaryl tri­fluoro­methane­sulfonates: 5-(4,4,5,5-tetra­methyl-1,3,2-dioxaborolan-2-yl)-2-(tri­methyl­sil­yl)phenyl tri­fluoro­methane­sulfonate, C16H24BF3O5SSi (1a), 4-(4,4,5,5-tetra­methyl-1,3,2-dioxaborolan-2-yl)-2-(tri­methyl­sil­yl)phenyl tri­fluoro­methane­sulfonate, C16H24BF3O5SSi (1b), and 2-methyl-4-(4,4,5,5-tetra­methyl-1,3,2-dioxaborolan-2-yl)-6-(tri­methyl­silyl)phen­yl tri­fluoro­methane­sulfonate, C17H26BF3O5SSi (2), which are versatile aryne precursors. For all three compounds, the heteroatom substituents are almost coplanar with the central aromatic moiety. C—heteroatom bonding metrics are unexceptional and fall withing the typical range of C—B, C—Si, and C—O single bonds. Despite numerous electronegative sites, only weak inter­molecular inter­actions are observed in the solid state.

Two 2,4,6-tri­methyl­aniline-based trifuloro­methane­sulfonate (tri­fluoro­methane­sulfonate) salts were synthesized and characterized by single-crystal X-ray diffraction. N,2,4,6-Tetra­methyl­anilinium tri­fluoro­methane­sulfonate, [C10H14NH2+][CF3O3S−] (1), was synthesized via methyl­ation of 2,4,6-tri­methyl­aniline. N-Iso­propyl­idene-N,2,4,6-tetra­methyl­anilinium tri­fluoro­meth­ane­sulfonate, [C13H20N+][CF3O3S−] (2), was synthesized in a two-step reaction where the imine, N-iso­propyl­idene-2,4,6-tri­methyl­aniline, was first prepared via a dehydration reaction to form the Schiff base, followed by methyl­ation using methyl tri­fluoro­methane­sulfonate to form the iminium ion. In compound 1, both hydrogen bonding and π–π inter­actions form the main inter­molecular inter­actions. The primary inter­action is a strong N—H⋯O hydrogen bond with the oxygen atoms of the tri­fluoro­methane­sulfonate anions bonded to the hydrogen atoms of the ammonium nitro­gen atom to generate a one-dimensional chain. The [C10H14NH2+] cations form dimers where the benzene rings form a π–π inter­action with a parallel-displaced geometry. The separation distance between the calculated centroids of the benzene rings is 3.9129 (8) Å, and the inter­planar spacing and ring slippage between the dimers are 3.5156 (5) and 1.718 Å, respectively. For 2, the [C13H20N+] cations also form dimers as in 1, but with the benzene rings highly slipped. The distance between the calculated centroids of the benzene rings is 4.8937 (8) Å, and inter­planar spacing and ring slippage are 3.3646 (5) and 3.553 Å, respectively. The major inter­molecular inter­actions in 2 are instead a series of weaker C—H⋯O hydrogen bonds [C⋯O distances of 3.1723 (17), 3.3789 (18), and 3.3789 (18) Å], an inter­action virtually absent in the structure of 1. Fluorine atoms are not involved in strong directional inter­actions in either structure.

The synthesis, crystallization and characterization of a tri­fluoro­methane­sulfonate salt of 5,10,15,20-tetra­kis­(1-benzyl­pyridin-1-ium-4-yl)-21H,23H-por­phy­rin, C68H54N84+·4CF3SO3−·4H2O, 1·OTf, are reported in this work. The reaction between 5,10,15,20-tetra­kis­(pyridin-4-yl)-21H,23H-porphyrin and benzyl bromide in the presence of 0.1 equiv. of Ca(OH)2 in CH3CN under reflux with an N2 atmosphere and subsequent treatment with silver tri­fluoro­methane­sulfonate (AgOTf) salt produced a red–brown solution. This reaction mixture was filtered and the solvent was allowed to evaporate at room temperature for 3 d to give 1·OTf. Crystal structure determination by single-crystal X-ray diffraction (SCXD) revealed that 1·OTf crystallizes in the space group P21/c. The asymmetric unit contains half a porphyrin mol­ecule, two tri­fluoro­methane­sulfonate anions and two water mol­ecules of crystallization. The macrocycle of tetra­pyrrole moieties is planar and unexpectedly it has coordinated CaII ions in occupational disorder. This CaII ion has only 10% occupancy (C72H61.80Ca0.10F12N8O16S4). The pyridinium rings bonded to methyl­ene groups from porphyrin are located in two different arrangements in almost orthogonal positions between the plane formed by the porphyrin and the pyridinium rings. The crystal structure features cation⋯π inter­actions between the CaII atom and the π-system of the phenyl ring of neighboring mol­ecules. Both tri­fluoro­methane­sulfonate anions are found at the periphery of 1, forming hydrogen bonds with water mol­ecules.

The asymmetric unit of the title compound is composed of two independent ion pairs of 4-(di­methyl­amino)­pyridin-1-ium 8-hy­droxy­quinoline-5-sulfonate (HDMAP+·HqSA−, C7H11N2+·C9H6NO4S−) and neutral N,N-di­methyl­pyridin-4-amine mol­ecules (DMAP, C7H10N2), co-crystallized as a 1:1:1 HDMAP+:HqSA−:DMAP adduct in the monoclinic system, space group Pc. The compound has a layered structure, including cation layers of HDMAP+ with DMAP and anion layers of HqSA− in the crystal. In the cation layer, there are inter­molecular N—H⋯N hydrogen bonds between the protonated HDMAP+ mol­ecule and the neutral DMAP mol­ecule. In the anion layer, each HqSA− is surrounded by other six HqSA−, where the planar network structure is formed by inter­molecular O—H⋯O and C—H⋯O hydrogen bonds. The cation and anion layers are linked by inter­molecular C—H⋯O hydrogen bonds and C—H⋯π inter­actions.

The asymmetric unit of the title salt, C7H8N3+·C7H5O6S−, comprises two 1,3-di­hydro-2H-benzimidazol-2-iminium cations and two 2-hy­droxy-5-sulfobenzoate anions (Z' = 2). In the crystal, the mol­ecules inter­act through N—H⋯O, O—H⋯O hydrogen bonds and C—O⋯π contacts. The hydrogen-bonding inter­actions lead to the formation of layers parallel to (overline{1}01). Hirshfeld surface analysis revealed that H⋯H contacts contribute to most of the crystal packing with 38.9%, followed by H⋯O contacts with 36.2%.

Gay and bisexual men in England, Scotland, and Wales can now donate blood, plasma and platelets under certain circumstances without having to wait three months, the National Health Service announced this week.; Credit: Wilfredo Lee/AP

Gay and bisexual men in England, Scotland, and Wales can now donate blood, plasma and platelets under certain circumstances, the National Health Service announced this week in a momentous shift in policy for most of the U.K.

Beginning Monday, gay men in sexually active, monogamous relationships for at least three months can donate for the first time. The move reverses a policy that limited donor eligibility on perceived risks of contracting HIV/AIDs and other sexually transmitted infections.

The new rules come as the U.K. and other countries around the world report urgent, pandemic-induced blood supply issues.

Donor eligibility will now be based on each person's individual circumstances surrounding health, travel and sexual behaviors regardless of gender, according to the NHS. Potential donors will no longer be asked if they are a man who has had sex with another man, but they will be asked about recent sexual activity.

Anyone who has had the same sexual partner for the last three months can donate, the NHS said.

"Patient safety is at the heart of everything we do. This change is about switching around how we assess the risk of exposure to a sexual infection, so it is more tailored to the individual," said Ella Poppitt, Chief Nurse for blood donation at NHS Blood and Transplant, in a statement. "We screen all donations for evidence of significant infections, which goes hand-in-hand with donor selection to maintain the safety of blood sent to hospitals."

People who engage in anal sex with a new partner or multiple people or who have recently used PrEP or PEP (medication used to prevent HIV infection) will have to wait three months to donate - regardless of their gender.

Why did the U.K. make this change?

The NHS moved to alter its blood donation eligibility rules following a review by the FAIR (For the Assessment of Individualised Risk) steering group. The panel determined an individualized, gender-neutral approach to determining who can donate blood, platelets, and plasma is fairer and still maintains the safety of the U.K.'s blood supply.

The findings were accepted in full by the government last December.

Researchers will continue to monitor the impact of the donor selection changes for the next 12 months to determine if more changes are needed, NHS said.

What is the policy in the U.S.?

Despite efforts by advocates to change regulations in the U.S, the ability for gay and bisexual men to donate blood is still restricted.

A ban on gay and bisexual blood donors has been in effect since the early 1980s when fears about HIV/AIDS were widespread.

The Food and Drug Administration's current policy states a man who has sex with another man in the previous three months can't donate. Federal rules previously made such donors wait 12 months before giving blood, but due to low blood supplies during the pandemic the federal government changed the policy in April.

The Red Cross said they are participating in a pilot study funded by the FDA using behavior-based health history questionnaires, similar to those used in the U.K.

This content is from Southern California Public Radio. View the original story at SCPR.org.

Almost 110,000 Americans are waiting for organ transplants, but there are significant inequities in who gets access to the waiting list and an eventual transplant. A new report recommends several policy changes to create a more fair, equitable, and patient-focused system for organ allocation.

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HelpToWin will send funds directly to volunteers at the frontline. A social project - rather than a commercial or government-led one - HelpToWin is fully transparent and places a strong focus on helping ordinary citizens and fighters

Judy and George Marcus' generous gift will support the organization's initiatives to save lives and keep families together

Two years after its initial release, Peter H. Paulsen's book, From Brick and Mortar to Prosperity, continues to inspire readers around the globe.

Compassionate legal support from Carosella & Associates ensures that clients are accompanied every step of the way, with their rights advocated for and assistance provided in navigating the complexities of divorce proceedings with care and empathy.

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Donation will positively impact children in need nationwide

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Footage Foundation (Footage) invites the public and media to a dialogue event -- "Gender Equity through Dialogue" on Wednesday, 20th March from 12:30-2:00 pm at Church Center for the United Nations, Ground Floor, 777 United Nations Plaza, NY 10017.

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This is the first funding distributed from the players’ pledge through the social justice fund and continues the Ravens’ commitment to making a difference throughout Baltimore.

In collaboration with Tropic Supply, Cooper&Hunter has gifted Daytona State College with six complete HVAC systems, considering the donation as a useful investment in the next generation. The on-campus working stations, which include units from Cooper&Hunter’s modern “Sophia Mini-Split Single Zone Series,” will give students hands-on learning opportunities with technology that is becoming increasingly popular in the U.S.

Our Lady of Guadalupe Catholic Church’s community center in the Tempe, Arizona suburb of Guadalupe now has state-of-the-art HVAC thanks to variable refrigerant flow equipment, accessories, and installation labor donations from RectorSeal, Panasonic Air Conditioning Group (a division of Panasonic Corp. of North America), and Woody’s Heating and Air Conditioning.

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